author | mockner |
Wed, 03 Feb 2016 11:40:30 -0500 | |
changeset 35917 | 463d67f86eaa |
parent 35495 | e27da438fa13 |
child 35918 | 1e48ea715a0b |
permissions | -rw-r--r-- |
1 | 1 |
/* |
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* Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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||
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#include "precompiled.hpp" |
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#include "code/codeCache.hpp" |
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#include "code/compiledIC.hpp" |
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#include "code/dependencies.hpp" |
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#include "code/nativeInst.hpp" |
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#include "code/nmethod.hpp" |
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#include "code/scopeDesc.hpp" |
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#include "compiler/abstractCompiler.hpp" |
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#include "compiler/compileBroker.hpp" |
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#include "compiler/compileLog.hpp" |
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#include "compiler/compilerDirectives.hpp" |
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#include "compiler/disassembler.hpp" |
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#include "interpreter/bytecode.hpp" |
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#include "oops/methodData.hpp" |
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#include "oops/oop.inline.hpp" |
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#include "prims/jvmtiRedefineClassesTrace.hpp" |
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#include "prims/jvmtiImpl.hpp" |
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#include "runtime/atomic.inline.hpp" |
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#include "runtime/orderAccess.inline.hpp" |
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#include "runtime/os.hpp" |
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#include "runtime/sharedRuntime.hpp" |
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#include "runtime/sweeper.hpp" |
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#include "utilities/resourceHash.hpp" |
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#include "utilities/dtrace.hpp" |
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#include "utilities/events.hpp" |
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#include "utilities/xmlstream.hpp" |
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#include "logging/log.hpp" |
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#ifdef TARGET_ARCH_x86 |
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# include "nativeInst_x86.hpp" |
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#endif |
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#ifdef TARGET_ARCH_sparc |
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# include "nativeInst_sparc.hpp" |
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#endif |
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#ifdef TARGET_ARCH_zero |
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# include "nativeInst_zero.hpp" |
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#endif |
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#ifdef TARGET_ARCH_arm |
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# include "nativeInst_arm.hpp" |
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#endif |
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#ifdef TARGET_ARCH_ppc |
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# include "nativeInst_ppc.hpp" |
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#endif |
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#ifdef SHARK |
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#include "shark/sharkCompiler.hpp" |
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#endif |
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#if INCLUDE_JVMCI |
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#include "jvmci/jvmciJavaClasses.hpp" |
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#endif |
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unsigned char nmethod::_global_unloading_clock = 0; |
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#ifdef DTRACE_ENABLED |
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// Only bother with this argument setup if dtrace is available |
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#define DTRACE_METHOD_UNLOAD_PROBE(method) \ |
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{ \ |
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Method* m = (method); \ |
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if (m != NULL) { \ |
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Symbol* klass_name = m->klass_name(); \ |
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Symbol* name = m->name(); \ |
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Symbol* signature = m->signature(); \ |
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HOTSPOT_COMPILED_METHOD_UNLOAD( \ |
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(char *) klass_name->bytes(), klass_name->utf8_length(), \ |
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(char *) name->bytes(), name->utf8_length(), \ |
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(char *) signature->bytes(), signature->utf8_length()); \ |
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} \ |
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} |
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#else // ndef DTRACE_ENABLED |
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#define DTRACE_METHOD_UNLOAD_PROBE(method) |
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#endif |
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bool nmethod::is_compiled_by_c1() const { |
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if (compiler() == NULL) { |
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return false; |
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} |
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return compiler()->is_c1(); |
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} |
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bool nmethod::is_compiled_by_jvmci() const { |
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if (compiler() == NULL || method() == NULL) return false; // can happen during debug printing |
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if (is_native_method()) return false; |
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return compiler()->is_jvmci(); |
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} |
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bool nmethod::is_compiled_by_c2() const { |
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if (compiler() == NULL) { |
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return false; |
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} |
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return compiler()->is_c2(); |
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} |
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bool nmethod::is_compiled_by_shark() const { |
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if (compiler() == NULL) { |
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return false; |
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} |
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return compiler()->is_shark(); |
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} |
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//--------------------------------------------------------------------------------- |
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// NMethod statistics |
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// They are printed under various flags, including: |
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// PrintC1Statistics, PrintOptoStatistics, LogVMOutput, and LogCompilation. |
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// (In the latter two cases, they like other stats are printed to the log only.) |
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#ifndef PRODUCT |
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// These variables are put into one block to reduce relocations |
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// and make it simpler to print from the debugger. |
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struct java_nmethod_stats_struct { |
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int nmethod_count; |
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int total_size; |
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int relocation_size; |
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int consts_size; |
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int insts_size; |
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int stub_size; |
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int scopes_data_size; |
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int scopes_pcs_size; |
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int dependencies_size; |
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int handler_table_size; |
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int nul_chk_table_size; |
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int oops_size; |
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int metadata_size; |
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void note_nmethod(nmethod* nm) { |
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nmethod_count += 1; |
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total_size += nm->size(); |
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relocation_size += nm->relocation_size(); |
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consts_size += nm->consts_size(); |
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insts_size += nm->insts_size(); |
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stub_size += nm->stub_size(); |
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oops_size += nm->oops_size(); |
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metadata_size += nm->metadata_size(); |
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scopes_data_size += nm->scopes_data_size(); |
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scopes_pcs_size += nm->scopes_pcs_size(); |
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dependencies_size += nm->dependencies_size(); |
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handler_table_size += nm->handler_table_size(); |
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nul_chk_table_size += nm->nul_chk_table_size(); |
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} |
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void print_nmethod_stats(const char* name) { |
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if (nmethod_count == 0) return; |
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tty->print_cr("Statistics for %d bytecoded nmethods for %s:", nmethod_count, name); |
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if (total_size != 0) tty->print_cr(" total in heap = %d", total_size); |
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if (nmethod_count != 0) tty->print_cr(" header = " SIZE_FORMAT, nmethod_count * sizeof(nmethod)); |
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if (relocation_size != 0) tty->print_cr(" relocation = %d", relocation_size); |
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if (consts_size != 0) tty->print_cr(" constants = %d", consts_size); |
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if (insts_size != 0) tty->print_cr(" main code = %d", insts_size); |
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if (stub_size != 0) tty->print_cr(" stub code = %d", stub_size); |
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if (oops_size != 0) tty->print_cr(" oops = %d", oops_size); |
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if (metadata_size != 0) tty->print_cr(" metadata = %d", metadata_size); |
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if (scopes_data_size != 0) tty->print_cr(" scopes data = %d", scopes_data_size); |
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if (scopes_pcs_size != 0) tty->print_cr(" scopes pcs = %d", scopes_pcs_size); |
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if (dependencies_size != 0) tty->print_cr(" dependencies = %d", dependencies_size); |
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if (handler_table_size != 0) tty->print_cr(" handler table = %d", handler_table_size); |
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if (nul_chk_table_size != 0) tty->print_cr(" nul chk table = %d", nul_chk_table_size); |
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} |
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}; |
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struct native_nmethod_stats_struct { |
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int native_nmethod_count; |
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int native_total_size; |
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int native_relocation_size; |
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int native_insts_size; |
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int native_oops_size; |
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int native_metadata_size; |
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void note_native_nmethod(nmethod* nm) { |
192 |
native_nmethod_count += 1; |
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native_total_size += nm->size(); |
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native_relocation_size += nm->relocation_size(); |
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native_insts_size += nm->insts_size(); |
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native_oops_size += nm->oops_size(); |
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native_metadata_size += nm->metadata_size(); |
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} |
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void print_native_nmethod_stats() { |
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200 |
if (native_nmethod_count == 0) return; |
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tty->print_cr("Statistics for %d native nmethods:", native_nmethod_count); |
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if (native_total_size != 0) tty->print_cr(" N. total size = %d", native_total_size); |
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if (native_relocation_size != 0) tty->print_cr(" N. relocation = %d", native_relocation_size); |
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if (native_insts_size != 0) tty->print_cr(" N. main code = %d", native_insts_size); |
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if (native_oops_size != 0) tty->print_cr(" N. oops = %d", native_oops_size); |
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if (native_metadata_size != 0) tty->print_cr(" N. metadata = %d", native_metadata_size); |
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} |
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}; |
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struct pc_nmethod_stats_struct { |
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int pc_desc_resets; // number of resets (= number of caches) |
212 |
int pc_desc_queries; // queries to nmethod::find_pc_desc |
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int pc_desc_approx; // number of those which have approximate true |
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int pc_desc_repeats; // number of _pc_descs[0] hits |
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int pc_desc_hits; // number of LRU cache hits |
216 |
int pc_desc_tests; // total number of PcDesc examinations |
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int pc_desc_searches; // total number of quasi-binary search steps |
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218 |
int pc_desc_adds; // number of LUR cache insertions |
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void print_pc_stats() { |
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221 |
tty->print_cr("PcDesc Statistics: %d queries, %.2f comparisons per query", |
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pc_desc_queries, |
|
223 |
(double)(pc_desc_tests + pc_desc_searches) |
|
224 |
/ pc_desc_queries); |
|
225 |
tty->print_cr(" caches=%d queries=%d/%d, hits=%d+%d, tests=%d+%d, adds=%d", |
|
226 |
pc_desc_resets, |
|
227 |
pc_desc_queries, pc_desc_approx, |
|
228 |
pc_desc_repeats, pc_desc_hits, |
|
229 |
pc_desc_tests, pc_desc_searches, pc_desc_adds); |
|
230 |
} |
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}; |
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232 |
|
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233 |
#ifdef COMPILER1 |
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static java_nmethod_stats_struct c1_java_nmethod_stats; |
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#endif |
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#ifdef COMPILER2 |
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static java_nmethod_stats_struct c2_java_nmethod_stats; |
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#endif |
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#if INCLUDE_JVMCI |
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static java_nmethod_stats_struct jvmci_java_nmethod_stats; |
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#endif |
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242 |
#ifdef SHARK |
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static java_nmethod_stats_struct shark_java_nmethod_stats; |
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#endif |
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static java_nmethod_stats_struct unknown_java_nmethod_stats; |
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246 |
|
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static native_nmethod_stats_struct native_nmethod_stats; |
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static pc_nmethod_stats_struct pc_nmethod_stats; |
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249 |
|
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static void note_java_nmethod(nmethod* nm) { |
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251 |
#ifdef COMPILER1 |
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if (nm->is_compiled_by_c1()) { |
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c1_java_nmethod_stats.note_nmethod(nm); |
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} else |
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255 |
#endif |
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256 |
#ifdef COMPILER2 |
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if (nm->is_compiled_by_c2()) { |
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c2_java_nmethod_stats.note_nmethod(nm); |
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} else |
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260 |
#endif |
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261 |
#if INCLUDE_JVMCI |
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if (nm->is_compiled_by_jvmci()) { |
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jvmci_java_nmethod_stats.note_nmethod(nm); |
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} else |
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265 |
#endif |
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266 |
#ifdef SHARK |
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if (nm->is_compiled_by_shark()) { |
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shark_java_nmethod_stats.note_nmethod(nm); |
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} else |
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#endif |
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{ |
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unknown_java_nmethod_stats.note_nmethod(nm); |
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} |
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} |
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#endif // !PRODUCT |
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|
1 | 277 |
//--------------------------------------------------------------------------------- |
278 |
||
279 |
||
280 |
ExceptionCache::ExceptionCache(Handle exception, address pc, address handler) { |
|
281 |
assert(pc != NULL, "Must be non null"); |
|
282 |
assert(exception.not_null(), "Must be non null"); |
|
283 |
assert(handler != NULL, "Must be non null"); |
|
284 |
||
285 |
_count = 0; |
|
286 |
_exception_type = exception->klass(); |
|
287 |
_next = NULL; |
|
288 |
||
289 |
add_address_and_handler(pc,handler); |
|
290 |
} |
|
291 |
||
292 |
||
293 |
address ExceptionCache::match(Handle exception, address pc) { |
|
294 |
assert(pc != NULL,"Must be non null"); |
|
295 |
assert(exception.not_null(),"Must be non null"); |
|
296 |
if (exception->klass() == exception_type()) { |
|
297 |
return (test_address(pc)); |
|
298 |
} |
|
299 |
||
300 |
return NULL; |
|
301 |
} |
|
302 |
||
303 |
||
304 |
bool ExceptionCache::match_exception_with_space(Handle exception) { |
|
305 |
assert(exception.not_null(),"Must be non null"); |
|
306 |
if (exception->klass() == exception_type() && count() < cache_size) { |
|
307 |
return true; |
|
308 |
} |
|
309 |
return false; |
|
310 |
} |
|
311 |
||
312 |
||
313 |
address ExceptionCache::test_address(address addr) { |
|
314 |
for (int i=0; i<count(); i++) { |
|
315 |
if (pc_at(i) == addr) { |
|
316 |
return handler_at(i); |
|
317 |
} |
|
318 |
} |
|
319 |
return NULL; |
|
320 |
} |
|
321 |
||
322 |
||
323 |
bool ExceptionCache::add_address_and_handler(address addr, address handler) { |
|
324 |
if (test_address(addr) == handler) return true; |
|
325 |
if (count() < cache_size) { |
|
326 |
set_pc_at(count(),addr); |
|
327 |
set_handler_at(count(), handler); |
|
328 |
increment_count(); |
|
329 |
return true; |
|
330 |
} |
|
331 |
return false; |
|
332 |
} |
|
333 |
||
334 |
||
335 |
// private method for handling exception cache |
|
336 |
// These methods are private, and used to manipulate the exception cache |
|
337 |
// directly. |
|
338 |
ExceptionCache* nmethod::exception_cache_entry_for_exception(Handle exception) { |
|
339 |
ExceptionCache* ec = exception_cache(); |
|
340 |
while (ec != NULL) { |
|
341 |
if (ec->match_exception_with_space(exception)) { |
|
342 |
return ec; |
|
343 |
} |
|
344 |
ec = ec->next(); |
|
345 |
} |
|
346 |
return NULL; |
|
347 |
} |
|
348 |
||
349 |
||
350 |
//----------------------------------------------------------------------------- |
|
351 |
||
352 |
||
353 |
// Helper used by both find_pc_desc methods. |
|
354 |
static inline bool match_desc(PcDesc* pc, int pc_offset, bool approximate) { |
|
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355 |
NOT_PRODUCT(++pc_nmethod_stats.pc_desc_tests); |
1 | 356 |
if (!approximate) |
357 |
return pc->pc_offset() == pc_offset; |
|
358 |
else |
|
359 |
return (pc-1)->pc_offset() < pc_offset && pc_offset <= pc->pc_offset(); |
|
360 |
} |
|
361 |
||
362 |
void PcDescCache::reset_to(PcDesc* initial_pc_desc) { |
|
363 |
if (initial_pc_desc == NULL) { |
|
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364 |
_pc_descs[0] = NULL; // native method; no PcDescs at all |
1 | 365 |
return; |
366 |
} |
|
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367 |
NOT_PRODUCT(++pc_nmethod_stats.pc_desc_resets); |
1 | 368 |
// reset the cache by filling it with benign (non-null) values |
369 |
assert(initial_pc_desc->pc_offset() < 0, "must be sentinel"); |
|
370 |
for (int i = 0; i < cache_size; i++) |
|
371 |
_pc_descs[i] = initial_pc_desc; |
|
372 |
} |
|
373 |
||
374 |
PcDesc* PcDescCache::find_pc_desc(int pc_offset, bool approximate) { |
|
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375 |
NOT_PRODUCT(++pc_nmethod_stats.pc_desc_queries); |
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376 |
NOT_PRODUCT(if (approximate) ++pc_nmethod_stats.pc_desc_approx); |
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377 |
|
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|
378 |
// Note: one might think that caching the most recently |
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|
379 |
// read value separately would be a win, but one would be |
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|
380 |
// wrong. When many threads are updating it, the cache |
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|
381 |
// line it's in would bounce between caches, negating |
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|
382 |
// any benefit. |
1 | 383 |
|
384 |
// In order to prevent race conditions do not load cache elements |
|
385 |
// repeatedly, but use a local copy: |
|
386 |
PcDesc* res; |
|
387 |
||
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|
388 |
// Step one: Check the most recently added value. |
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389 |
res = _pc_descs[0]; |
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|
390 |
if (res == NULL) return NULL; // native method; no PcDescs at all |
1 | 391 |
if (match_desc(res, pc_offset, approximate)) { |
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|
392 |
NOT_PRODUCT(++pc_nmethod_stats.pc_desc_repeats); |
1 | 393 |
return res; |
394 |
} |
|
395 |
||
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|
396 |
// Step two: Check the rest of the LRU cache. |
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|
397 |
for (int i = 1; i < cache_size; ++i) { |
1 | 398 |
res = _pc_descs[i]; |
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|
399 |
if (res->pc_offset() < 0) break; // optimization: skip empty cache |
1 | 400 |
if (match_desc(res, pc_offset, approximate)) { |
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|
401 |
NOT_PRODUCT(++pc_nmethod_stats.pc_desc_hits); |
1 | 402 |
return res; |
403 |
} |
|
404 |
} |
|
405 |
||
406 |
// Report failure. |
|
407 |
return NULL; |
|
408 |
} |
|
409 |
||
410 |
void PcDescCache::add_pc_desc(PcDesc* pc_desc) { |
|
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411 |
NOT_PRODUCT(++pc_nmethod_stats.pc_desc_adds); |
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|
412 |
// Update the LRU cache by shifting pc_desc forward. |
1 | 413 |
for (int i = 0; i < cache_size; i++) { |
414 |
PcDesc* next = _pc_descs[i]; |
|
415 |
_pc_descs[i] = pc_desc; |
|
416 |
pc_desc = next; |
|
417 |
} |
|
418 |
} |
|
419 |
||
420 |
// adjust pcs_size so that it is a multiple of both oopSize and |
|
421 |
// sizeof(PcDesc) (assumes that if sizeof(PcDesc) is not a multiple |
|
422 |
// of oopSize, then 2*sizeof(PcDesc) is) |
|
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|
423 |
static int adjust_pcs_size(int pcs_size) { |
1 | 424 |
int nsize = round_to(pcs_size, oopSize); |
425 |
if ((nsize % sizeof(PcDesc)) != 0) { |
|
426 |
nsize = pcs_size + sizeof(PcDesc); |
|
427 |
} |
|
8658
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|
428 |
assert((nsize % oopSize) == 0, "correct alignment"); |
1 | 429 |
return nsize; |
430 |
} |
|
431 |
||
432 |
//----------------------------------------------------------------------------- |
|
433 |
||
434 |
||
435 |
void nmethod::add_exception_cache_entry(ExceptionCache* new_entry) { |
|
436 |
assert(ExceptionCache_lock->owned_by_self(),"Must hold the ExceptionCache_lock"); |
|
437 |
assert(new_entry != NULL,"Must be non null"); |
|
438 |
assert(new_entry->next() == NULL, "Must be null"); |
|
439 |
||
440 |
if (exception_cache() != NULL) { |
|
441 |
new_entry->set_next(exception_cache()); |
|
442 |
} |
|
443 |
set_exception_cache(new_entry); |
|
444 |
} |
|
445 |
||
25357 | 446 |
void nmethod::clean_exception_cache(BoolObjectClosure* is_alive) { |
1 | 447 |
ExceptionCache* prev = NULL; |
448 |
ExceptionCache* curr = exception_cache(); |
|
25357 | 449 |
|
450 |
while (curr != NULL) { |
|
451 |
ExceptionCache* next = curr->next(); |
|
452 |
||
453 |
Klass* ex_klass = curr->exception_type(); |
|
454 |
if (ex_klass != NULL && !ex_klass->is_loader_alive(is_alive)) { |
|
455 |
if (prev == NULL) { |
|
456 |
set_exception_cache(next); |
|
457 |
} else { |
|
458 |
prev->set_next(next); |
|
459 |
} |
|
460 |
delete curr; |
|
461 |
// prev stays the same. |
|
462 |
} else { |
|
463 |
prev = curr; |
|
464 |
} |
|
465 |
||
466 |
curr = next; |
|
1 | 467 |
} |
468 |
} |
|
469 |
||
470 |
// public method for accessing the exception cache |
|
471 |
// These are the public access methods. |
|
472 |
address nmethod::handler_for_exception_and_pc(Handle exception, address pc) { |
|
473 |
// We never grab a lock to read the exception cache, so we may |
|
474 |
// have false negatives. This is okay, as it can only happen during |
|
475 |
// the first few exception lookups for a given nmethod. |
|
476 |
ExceptionCache* ec = exception_cache(); |
|
477 |
while (ec != NULL) { |
|
478 |
address ret_val; |
|
479 |
if ((ret_val = ec->match(exception,pc)) != NULL) { |
|
480 |
return ret_val; |
|
481 |
} |
|
482 |
ec = ec->next(); |
|
483 |
} |
|
484 |
return NULL; |
|
485 |
} |
|
486 |
||
487 |
||
488 |
void nmethod::add_handler_for_exception_and_pc(Handle exception, address pc, address handler) { |
|
489 |
// There are potential race conditions during exception cache updates, so we |
|
490 |
// must own the ExceptionCache_lock before doing ANY modifications. Because |
|
2131 | 491 |
// we don't lock during reads, it is possible to have several threads attempt |
1 | 492 |
// to update the cache with the same data. We need to check for already inserted |
493 |
// copies of the current data before adding it. |
|
494 |
||
495 |
MutexLocker ml(ExceptionCache_lock); |
|
496 |
ExceptionCache* target_entry = exception_cache_entry_for_exception(exception); |
|
497 |
||
498 |
if (target_entry == NULL || !target_entry->add_address_and_handler(pc,handler)) { |
|
499 |
target_entry = new ExceptionCache(exception,pc,handler); |
|
500 |
add_exception_cache_entry(target_entry); |
|
501 |
} |
|
502 |
} |
|
503 |
||
504 |
||
505 |
//-------------end of code for ExceptionCache-------------- |
|
506 |
||
507 |
||
508 |
int nmethod::total_size() const { |
|
509 |
return |
|
6432
d36e09b60939
6961697: move nmethod constants section before instruction section
twisti
parents:
6418
diff
changeset
|
510 |
consts_size() + |
6418 | 511 |
insts_size() + |
1 | 512 |
stub_size() + |
513 |
scopes_data_size() + |
|
514 |
scopes_pcs_size() + |
|
515 |
handler_table_size() + |
|
516 |
nul_chk_table_size(); |
|
517 |
} |
|
518 |
||
519 |
const char* nmethod::compile_kind() const { |
|
520 |
if (is_osr_method()) return "osr"; |
|
4479
5686407cde7a
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
3913
diff
changeset
|
521 |
if (method() != NULL && is_native_method()) return "c2n"; |
1 | 522 |
return NULL; |
523 |
} |
|
524 |
||
5924
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
525 |
// Fill in default values for various flag fields |
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
526 |
void nmethod::init_defaults() { |
22223 | 527 |
_state = in_use; |
25492
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
528 |
_unloading_clock = 0; |
5924
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
529 |
_marked_for_reclamation = 0; |
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
530 |
_has_flushed_dependencies = 0; |
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
531 |
_has_unsafe_access = 0; |
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
532 |
_has_method_handle_invokes = 0; |
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
11636
diff
changeset
|
533 |
_lazy_critical_native = 0; |
13883
6979b9850feb
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
13881
diff
changeset
|
534 |
_has_wide_vectors = 0; |
5924
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
535 |
_marked_for_deoptimization = 0; |
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
536 |
_lock_count = 0; |
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
537 |
_stack_traversal_mark = 0; |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
538 |
_unload_reported = false; // jvmti state |
5924
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
539 |
|
6268 | 540 |
#ifdef ASSERT |
541 |
_oops_are_stale = false; |
|
542 |
#endif |
|
543 |
||
5924
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
544 |
_oops_do_mark_link = NULL; |
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
545 |
_jmethod_id = NULL; |
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
546 |
_osr_link = NULL; |
25492
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
547 |
if (UseG1GC) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
548 |
_unloading_next = NULL; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
549 |
} else { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
550 |
_scavenge_root_link = NULL; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
551 |
} |
5924
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
552 |
_scavenge_root_state = 0; |
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
553 |
_compiler = NULL; |
23491 | 554 |
#if INCLUDE_RTM_OPT |
555 |
_rtm_state = NoRTM; |
|
556 |
#endif |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
557 |
#if INCLUDE_JVMCI |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
558 |
_jvmci_installed_code = NULL; |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
559 |
_speculation_log = NULL; |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
560 |
#endif |
5924
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
561 |
} |
1 | 562 |
|
33593
60764a78fa5c
8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents:
33576
diff
changeset
|
563 |
nmethod* nmethod::new_native_nmethod(const methodHandle& method, |
8872
36680c58660e
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
8725
diff
changeset
|
564 |
int compile_id, |
1 | 565 |
CodeBuffer *code_buffer, |
566 |
int vep_offset, |
|
567 |
int frame_complete, |
|
568 |
int frame_size, |
|
569 |
ByteSize basic_lock_owner_sp_offset, |
|
570 |
ByteSize basic_lock_sp_offset, |
|
571 |
OopMapSet* oop_maps) { |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
572 |
code_buffer->finalize_oop_references(method); |
1 | 573 |
// create nmethod |
574 |
nmethod* nm = NULL; |
|
575 |
{ |
|
576 |
MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
|
577 |
int native_nmethod_size = allocation_size(code_buffer, sizeof(nmethod)); |
|
17016
78b1c3670525
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
16615
diff
changeset
|
578 |
CodeOffsets offsets; |
78b1c3670525
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
16615
diff
changeset
|
579 |
offsets.set_value(CodeOffsets::Verified_Entry, vep_offset); |
78b1c3670525
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
16615
diff
changeset
|
580 |
offsets.set_value(CodeOffsets::Frame_Complete, frame_complete); |
26796 | 581 |
nm = new (native_nmethod_size, CompLevel_none) nmethod(method(), native_nmethod_size, |
17016
78b1c3670525
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
16615
diff
changeset
|
582 |
compile_id, &offsets, |
78b1c3670525
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
16615
diff
changeset
|
583 |
code_buffer, frame_size, |
78b1c3670525
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
16615
diff
changeset
|
584 |
basic_lock_owner_sp_offset, |
78b1c3670525
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
16615
diff
changeset
|
585 |
basic_lock_sp_offset, oop_maps); |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
586 |
NOT_PRODUCT(if (nm != NULL) native_nmethod_stats.note_native_nmethod(nm)); |
1 | 587 |
} |
588 |
// verify nmethod |
|
589 |
debug_only(if (nm) nm->verify();) // might block |
|
590 |
||
591 |
if (nm != NULL) { |
|
592 |
nm->log_new_nmethod(); |
|
593 |
} |
|
594 |
||
595 |
return nm; |
|
596 |
} |
|
597 |
||
33593
60764a78fa5c
8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents:
33576
diff
changeset
|
598 |
nmethod* nmethod::new_nmethod(const methodHandle& method, |
1 | 599 |
int compile_id, |
600 |
int entry_bci, |
|
601 |
CodeOffsets* offsets, |
|
602 |
int orig_pc_offset, |
|
603 |
DebugInformationRecorder* debug_info, |
|
604 |
Dependencies* dependencies, |
|
605 |
CodeBuffer* code_buffer, int frame_size, |
|
606 |
OopMapSet* oop_maps, |
|
607 |
ExceptionHandlerTable* handler_table, |
|
608 |
ImplicitExceptionTable* nul_chk_table, |
|
609 |
AbstractCompiler* compiler, |
|
610 |
int comp_level |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
611 |
#if INCLUDE_JVMCI |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
612 |
, Handle installed_code, |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
613 |
Handle speculationLog |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
614 |
#endif |
1 | 615 |
) |
616 |
{ |
|
617 |
assert(debug_info->oop_recorder() == code_buffer->oop_recorder(), "shared OR"); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
618 |
code_buffer->finalize_oop_references(method); |
1 | 619 |
// create nmethod |
620 |
nmethod* nm = NULL; |
|
621 |
{ MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
|
622 |
int nmethod_size = |
|
623 |
allocation_size(code_buffer, sizeof(nmethod)) |
|
624 |
+ adjust_pcs_size(debug_info->pcs_size()) |
|
625 |
+ round_to(dependencies->size_in_bytes() , oopSize) |
|
626 |
+ round_to(handler_table->size_in_bytes(), oopSize) |
|
627 |
+ round_to(nul_chk_table->size_in_bytes(), oopSize) |
|
628 |
+ round_to(debug_info->data_size() , oopSize); |
|
17016
78b1c3670525
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
16615
diff
changeset
|
629 |
|
26796 | 630 |
nm = new (nmethod_size, comp_level) |
17016
78b1c3670525
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
16615
diff
changeset
|
631 |
nmethod(method(), nmethod_size, compile_id, entry_bci, offsets, |
78b1c3670525
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
16615
diff
changeset
|
632 |
orig_pc_offset, debug_info, dependencies, code_buffer, frame_size, |
78b1c3670525
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
16615
diff
changeset
|
633 |
oop_maps, |
78b1c3670525
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
16615
diff
changeset
|
634 |
handler_table, |
78b1c3670525
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
16615
diff
changeset
|
635 |
nul_chk_table, |
78b1c3670525
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
16615
diff
changeset
|
636 |
compiler, |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
637 |
comp_level |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
638 |
#if INCLUDE_JVMCI |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
639 |
, installed_code, |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
640 |
speculationLog |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
641 |
#endif |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
642 |
); |
17016
78b1c3670525
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
16615
diff
changeset
|
643 |
|
1 | 644 |
if (nm != NULL) { |
645 |
// To make dependency checking during class loading fast, record |
|
646 |
// the nmethod dependencies in the classes it is dependent on. |
|
647 |
// This allows the dependency checking code to simply walk the |
|
648 |
// class hierarchy above the loaded class, checking only nmethods |
|
649 |
// which are dependent on those classes. The slow way is to |
|
650 |
// check every nmethod for dependencies which makes it linear in |
|
651 |
// the number of methods compiled. For applications with a lot |
|
652 |
// classes the slow way is too slow. |
|
653 |
for (Dependencies::DepStream deps(nm); deps.next(); ) { |
|
31037
01a5c5fa5681
8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents:
30628
diff
changeset
|
654 |
if (deps.type() == Dependencies::call_site_target_value) { |
01a5c5fa5681
8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents:
30628
diff
changeset
|
655 |
// CallSite dependencies are managed on per-CallSite instance basis. |
01a5c5fa5681
8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents:
30628
diff
changeset
|
656 |
oop call_site = deps.argument_oop(0); |
01a5c5fa5681
8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents:
30628
diff
changeset
|
657 |
MethodHandles::add_dependent_nmethod(call_site, nm); |
01a5c5fa5681
8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents:
30628
diff
changeset
|
658 |
} else { |
01a5c5fa5681
8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents:
30628
diff
changeset
|
659 |
Klass* klass = deps.context_type(); |
01a5c5fa5681
8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents:
30628
diff
changeset
|
660 |
if (klass == NULL) { |
01a5c5fa5681
8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents:
30628
diff
changeset
|
661 |
continue; // ignore things like evol_method |
01a5c5fa5681
8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents:
30628
diff
changeset
|
662 |
} |
01a5c5fa5681
8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents:
30628
diff
changeset
|
663 |
// record this nmethod as dependent on this klass |
01a5c5fa5681
8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents:
30628
diff
changeset
|
664 |
InstanceKlass::cast(klass)->add_dependent_nmethod(nm); |
17016
78b1c3670525
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
16615
diff
changeset
|
665 |
} |
1 | 666 |
} |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
667 |
NOT_PRODUCT(if (nm != NULL) note_java_nmethod(nm)); |
17016
78b1c3670525
8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents:
16615
diff
changeset
|
668 |
} |
1 | 669 |
} |
21572
9cd0dd352fcd
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
20300
diff
changeset
|
670 |
// Do verification and logging outside CodeCache_lock. |
1 | 671 |
if (nm != NULL) { |
21572
9cd0dd352fcd
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
20300
diff
changeset
|
672 |
// Safepoints in nmethod::verify aren't allowed because nm hasn't been installed yet. |
9cd0dd352fcd
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
20300
diff
changeset
|
673 |
DEBUG_ONLY(nm->verify();) |
1 | 674 |
nm->log_new_nmethod(); |
675 |
} |
|
676 |
return nm; |
|
677 |
} |
|
678 |
||
679 |
// For native wrappers |
|
680 |
nmethod::nmethod( |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
681 |
Method* method, |
1 | 682 |
int nmethod_size, |
8872
36680c58660e
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
8725
diff
changeset
|
683 |
int compile_id, |
1 | 684 |
CodeOffsets* offsets, |
685 |
CodeBuffer* code_buffer, |
|
686 |
int frame_size, |
|
687 |
ByteSize basic_lock_owner_sp_offset, |
|
688 |
ByteSize basic_lock_sp_offset, |
|
689 |
OopMapSet* oop_maps ) |
|
690 |
: CodeBlob("native nmethod", code_buffer, sizeof(nmethod), |
|
691 |
nmethod_size, offsets->value(CodeOffsets::Frame_Complete), frame_size, oop_maps), |
|
7444 | 692 |
_native_receiver_sp_offset(basic_lock_owner_sp_offset), |
693 |
_native_basic_lock_sp_offset(basic_lock_sp_offset) |
|
1 | 694 |
{ |
695 |
{ |
|
35492
c8c0273e6b91
8146690: Make all classes in GC follow the naming convention.
david
parents:
35175
diff
changeset
|
696 |
debug_only(NoSafepointVerifier nsv;) |
1 | 697 |
assert_locked_or_safepoint(CodeCache_lock); |
698 |
||
5924
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
699 |
init_defaults(); |
1 | 700 |
_method = method; |
701 |
_entry_bci = InvocationEntryBci; |
|
702 |
// We have no exception handler or deopt handler make the |
|
703 |
// values something that will never match a pc like the nmethod vtable entry |
|
704 |
_exception_offset = 0; |
|
705 |
_deoptimize_offset = 0; |
|
4752 | 706 |
_deoptimize_mh_offset = 0; |
1 | 707 |
_orig_pc_offset = 0; |
5924
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
708 |
|
6418 | 709 |
_consts_offset = data_offset(); |
1 | 710 |
_stub_offset = data_offset(); |
5686
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
711 |
_oops_offset = data_offset(); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
712 |
_metadata_offset = _oops_offset + round_to(code_buffer->total_oop_size(), oopSize); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
713 |
_scopes_data_offset = _metadata_offset + round_to(code_buffer->total_metadata_size(), wordSize); |
1 | 714 |
_scopes_pcs_offset = _scopes_data_offset; |
715 |
_dependencies_offset = _scopes_pcs_offset; |
|
716 |
_handler_table_offset = _dependencies_offset; |
|
717 |
_nul_chk_table_offset = _handler_table_offset; |
|
718 |
_nmethod_end_offset = _nul_chk_table_offset; |
|
8872
36680c58660e
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
8725
diff
changeset
|
719 |
_compile_id = compile_id; |
1 | 720 |
_comp_level = CompLevel_none; |
6418 | 721 |
_entry_point = code_begin() + offsets->value(CodeOffsets::Entry); |
722 |
_verified_entry_point = code_begin() + offsets->value(CodeOffsets::Verified_Entry); |
|
1 | 723 |
_osr_entry_point = NULL; |
724 |
_exception_cache = NULL; |
|
725 |
_pc_desc_cache.reset_to(NULL); |
|
20290
2127dc70bce9
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
19725
diff
changeset
|
726 |
_hotness_counter = NMethodSweeper::hotness_counter_reset_val(); |
1 | 727 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
728 |
code_buffer->copy_values_to(this); |
25352
1e8645b14f3d
8046231: G1: Code root location ... from nmethod ... not in strong code roots for region
pliden
parents:
25351
diff
changeset
|
729 |
if (ScavengeRootsInCode) { |
1e8645b14f3d
8046231: G1: Code root location ... from nmethod ... not in strong code roots for region
pliden
parents:
25351
diff
changeset
|
730 |
if (detect_scavenge_root_oops()) { |
1e8645b14f3d
8046231: G1: Code root location ... from nmethod ... not in strong code roots for region
pliden
parents:
25351
diff
changeset
|
731 |
CodeCache::add_scavenge_root_nmethod(this); |
1e8645b14f3d
8046231: G1: Code root location ... from nmethod ... not in strong code roots for region
pliden
parents:
25351
diff
changeset
|
732 |
} |
19339 | 733 |
Universe::heap()->register_nmethod(this); |
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8724
diff
changeset
|
734 |
} |
3908
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
735 |
debug_only(verify_scavenge_root_oops()); |
1 | 736 |
CodeCache::commit(this); |
737 |
} |
|
738 |
||
739 |
if (PrintNativeNMethods || PrintDebugInfo || PrintRelocations || PrintDependencies) { |
|
740 |
ttyLocker ttyl; // keep the following output all in one block |
|
741 |
// This output goes directly to the tty, not the compiler log. |
|
742 |
// To enable tools to match it up with the compilation activity, |
|
743 |
// be sure to tag this tty output with the compile ID. |
|
744 |
if (xtty != NULL) { |
|
745 |
xtty->begin_head("print_native_nmethod"); |
|
746 |
xtty->method(_method); |
|
747 |
xtty->stamp(); |
|
748 |
xtty->end_head(" address='" INTPTR_FORMAT "'", (intptr_t) this); |
|
749 |
} |
|
750 |
// print the header part first |
|
751 |
print(); |
|
752 |
// then print the requested information |
|
753 |
if (PrintNativeNMethods) { |
|
754 |
print_code(); |
|
13881
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13728
diff
changeset
|
755 |
if (oop_maps != NULL) { |
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13728
diff
changeset
|
756 |
oop_maps->print(); |
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13728
diff
changeset
|
757 |
} |
1 | 758 |
} |
759 |
if (PrintRelocations) { |
|
760 |
print_relocations(); |
|
761 |
} |
|
762 |
if (xtty != NULL) { |
|
763 |
xtty->tail("print_native_nmethod"); |
|
764 |
} |
|
765 |
} |
|
766 |
} |
|
767 |
||
26796 | 768 |
void* nmethod::operator new(size_t size, int nmethod_size, int comp_level) throw () { |
27420
04e6f914cce1
8046809: vm/mlvm/meth/stress/compiler/deoptimize CodeCache is full.
anoll
parents:
26912
diff
changeset
|
769 |
return CodeCache::allocate(nmethod_size, CodeCache::get_code_blob_type(comp_level)); |
1 | 770 |
} |
771 |
||
772 |
nmethod::nmethod( |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
773 |
Method* method, |
1 | 774 |
int nmethod_size, |
775 |
int compile_id, |
|
776 |
int entry_bci, |
|
777 |
CodeOffsets* offsets, |
|
778 |
int orig_pc_offset, |
|
779 |
DebugInformationRecorder* debug_info, |
|
780 |
Dependencies* dependencies, |
|
781 |
CodeBuffer *code_buffer, |
|
782 |
int frame_size, |
|
783 |
OopMapSet* oop_maps, |
|
784 |
ExceptionHandlerTable* handler_table, |
|
785 |
ImplicitExceptionTable* nul_chk_table, |
|
786 |
AbstractCompiler* compiler, |
|
787 |
int comp_level |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
788 |
#if INCLUDE_JVMCI |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
789 |
, Handle installed_code, |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
790 |
Handle speculation_log |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
791 |
#endif |
1 | 792 |
) |
793 |
: CodeBlob("nmethod", code_buffer, sizeof(nmethod), |
|
794 |
nmethod_size, offsets->value(CodeOffsets::Frame_Complete), frame_size, oop_maps), |
|
7444 | 795 |
_native_receiver_sp_offset(in_ByteSize(-1)), |
796 |
_native_basic_lock_sp_offset(in_ByteSize(-1)) |
|
1 | 797 |
{ |
798 |
assert(debug_info->oop_recorder() == code_buffer->oop_recorder(), "shared OR"); |
|
799 |
{ |
|
35492
c8c0273e6b91
8146690: Make all classes in GC follow the naming convention.
david
parents:
35175
diff
changeset
|
800 |
debug_only(NoSafepointVerifier nsv;) |
1 | 801 |
assert_locked_or_safepoint(CodeCache_lock); |
802 |
||
5924
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
803 |
init_defaults(); |
1 | 804 |
_method = method; |
5924
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
805 |
_entry_bci = entry_bci; |
1 | 806 |
_compile_id = compile_id; |
807 |
_comp_level = comp_level; |
|
808 |
_compiler = compiler; |
|
809 |
_orig_pc_offset = orig_pc_offset; |
|
20290
2127dc70bce9
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
19725
diff
changeset
|
810 |
_hotness_counter = NMethodSweeper::hotness_counter_reset_val(); |
6418 | 811 |
|
812 |
// Section offsets |
|
6432
d36e09b60939
6961697: move nmethod constants section before instruction section
twisti
parents:
6418
diff
changeset
|
813 |
_consts_offset = content_offset() + code_buffer->total_offset_of(code_buffer->consts()); |
d36e09b60939
6961697: move nmethod constants section before instruction section
twisti
parents:
6418
diff
changeset
|
814 |
_stub_offset = content_offset() + code_buffer->total_offset_of(code_buffer->stubs()); |
1 | 815 |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
816 |
#if INCLUDE_JVMCI |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
817 |
_jvmci_installed_code = installed_code(); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
818 |
_speculation_log = (instanceOop)speculation_log(); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
819 |
|
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
820 |
if (compiler->is_jvmci()) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
821 |
// JVMCI might not produce any stub sections |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
822 |
if (offsets->value(CodeOffsets::Exceptions) != -1) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
823 |
_exception_offset = code_offset() + offsets->value(CodeOffsets::Exceptions); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
824 |
} else { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
825 |
_exception_offset = -1; |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
826 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
827 |
if (offsets->value(CodeOffsets::Deopt) != -1) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
828 |
_deoptimize_offset = code_offset() + offsets->value(CodeOffsets::Deopt); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
829 |
} else { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
830 |
_deoptimize_offset = -1; |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
831 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
832 |
if (offsets->value(CodeOffsets::DeoptMH) != -1) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
833 |
_deoptimize_mh_offset = code_offset() + offsets->value(CodeOffsets::DeoptMH); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
834 |
} else { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
835 |
_deoptimize_mh_offset = -1; |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
836 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
837 |
} else { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
838 |
#endif |
1 | 839 |
// Exception handler and deopt handler are in the stub section |
7707
b4ff9fc6d954
6990933: assert(sender_cb) failed: sanity in frame::sender_for_interpreter_frame
twisti
parents:
7397
diff
changeset
|
840 |
assert(offsets->value(CodeOffsets::Exceptions) != -1, "must be set"); |
b4ff9fc6d954
6990933: assert(sender_cb) failed: sanity in frame::sender_for_interpreter_frame
twisti
parents:
7397
diff
changeset
|
841 |
assert(offsets->value(CodeOffsets::Deopt ) != -1, "must be set"); |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
842 |
|
6418 | 843 |
_exception_offset = _stub_offset + offsets->value(CodeOffsets::Exceptions); |
844 |
_deoptimize_offset = _stub_offset + offsets->value(CodeOffsets::Deopt); |
|
7707
b4ff9fc6d954
6990933: assert(sender_cb) failed: sanity in frame::sender_for_interpreter_frame
twisti
parents:
7397
diff
changeset
|
845 |
if (offsets->value(CodeOffsets::DeoptMH) != -1) { |
6432
d36e09b60939
6961697: move nmethod constants section before instruction section
twisti
parents:
6418
diff
changeset
|
846 |
_deoptimize_mh_offset = _stub_offset + offsets->value(CodeOffsets::DeoptMH); |
d36e09b60939
6961697: move nmethod constants section before instruction section
twisti
parents:
6418
diff
changeset
|
847 |
} else { |
d36e09b60939
6961697: move nmethod constants section before instruction section
twisti
parents:
6418
diff
changeset
|
848 |
_deoptimize_mh_offset = -1; |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
849 |
#if INCLUDE_JVMCI |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
850 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
851 |
#endif |
6432
d36e09b60939
6961697: move nmethod constants section before instruction section
twisti
parents:
6418
diff
changeset
|
852 |
} |
5334
b2d040a8d375
6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents:
4894
diff
changeset
|
853 |
if (offsets->value(CodeOffsets::UnwindHandler) != -1) { |
6418 | 854 |
_unwind_handler_offset = code_offset() + offsets->value(CodeOffsets::UnwindHandler); |
5334
b2d040a8d375
6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents:
4894
diff
changeset
|
855 |
} else { |
6418 | 856 |
_unwind_handler_offset = -1; |
5334
b2d040a8d375
6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents:
4894
diff
changeset
|
857 |
} |
6418 | 858 |
|
5686
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
859 |
_oops_offset = data_offset(); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
860 |
_metadata_offset = _oops_offset + round_to(code_buffer->total_oop_size(), oopSize); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
861 |
_scopes_data_offset = _metadata_offset + round_to(code_buffer->total_metadata_size(), wordSize); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
862 |
|
5686
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
863 |
_scopes_pcs_offset = _scopes_data_offset + round_to(debug_info->data_size (), oopSize); |
1 | 864 |
_dependencies_offset = _scopes_pcs_offset + adjust_pcs_size(debug_info->pcs_size()); |
865 |
_handler_table_offset = _dependencies_offset + round_to(dependencies->size_in_bytes (), oopSize); |
|
866 |
_nul_chk_table_offset = _handler_table_offset + round_to(handler_table->size_in_bytes(), oopSize); |
|
867 |
_nmethod_end_offset = _nul_chk_table_offset + round_to(nul_chk_table->size_in_bytes(), oopSize); |
|
868 |
||
6418 | 869 |
_entry_point = code_begin() + offsets->value(CodeOffsets::Entry); |
870 |
_verified_entry_point = code_begin() + offsets->value(CodeOffsets::Verified_Entry); |
|
871 |
_osr_entry_point = code_begin() + offsets->value(CodeOffsets::OSR_Entry); |
|
1 | 872 |
_exception_cache = NULL; |
873 |
_pc_desc_cache.reset_to(scopes_pcs_begin()); |
|
874 |
||
875 |
// Copy contents of ScopeDescRecorder to nmethod |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
876 |
code_buffer->copy_values_to(this); |
1 | 877 |
debug_info->copy_to(this); |
878 |
dependencies->copy_to(this); |
|
25352
1e8645b14f3d
8046231: G1: Code root location ... from nmethod ... not in strong code roots for region
pliden
parents:
25351
diff
changeset
|
879 |
if (ScavengeRootsInCode) { |
1e8645b14f3d
8046231: G1: Code root location ... from nmethod ... not in strong code roots for region
pliden
parents:
25351
diff
changeset
|
880 |
if (detect_scavenge_root_oops()) { |
1e8645b14f3d
8046231: G1: Code root location ... from nmethod ... not in strong code roots for region
pliden
parents:
25351
diff
changeset
|
881 |
CodeCache::add_scavenge_root_nmethod(this); |
1e8645b14f3d
8046231: G1: Code root location ... from nmethod ... not in strong code roots for region
pliden
parents:
25351
diff
changeset
|
882 |
} |
19339 | 883 |
Universe::heap()->register_nmethod(this); |
3908
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
884 |
} |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
885 |
debug_only(verify_scavenge_root_oops()); |
1 | 886 |
|
887 |
CodeCache::commit(this); |
|
888 |
||
889 |
// Copy contents of ExceptionHandlerTable to nmethod |
|
890 |
handler_table->copy_to(this); |
|
891 |
nul_chk_table->copy_to(this); |
|
892 |
||
893 |
// we use the information of entry points to find out if a method is |
|
894 |
// static or non static |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
895 |
assert(compiler->is_c2() || compiler->is_jvmci() || |
1 | 896 |
_method->is_static() == (entry_point() == _verified_entry_point), |
897 |
" entry points must be same for static methods and vice versa"); |
|
898 |
} |
|
899 |
} |
|
900 |
||
901 |
// Print a short set of xml attributes to identify this nmethod. The |
|
902 |
// output should be embedded in some other element. |
|
903 |
void nmethod::log_identity(xmlStream* log) const { |
|
904 |
log->print(" compile_id='%d'", compile_id()); |
|
905 |
const char* nm_kind = compile_kind(); |
|
906 |
if (nm_kind != NULL) log->print(" compile_kind='%s'", nm_kind); |
|
907 |
if (compiler() != NULL) { |
|
908 |
log->print(" compiler='%s'", compiler()->name()); |
|
909 |
} |
|
6453 | 910 |
if (TieredCompilation) { |
911 |
log->print(" level='%d'", comp_level()); |
|
912 |
} |
|
1 | 913 |
} |
914 |
||
915 |
||
916 |
#define LOG_OFFSET(log, name) \ |
|
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
917 |
if (p2i(name##_end()) - p2i(name##_begin())) \ |
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
918 |
log->print(" " XSTR(name) "_offset='" INTX_FORMAT "'" , \ |
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
919 |
p2i(name##_begin()) - p2i(this)) |
1 | 920 |
|
921 |
||
922 |
void nmethod::log_new_nmethod() const { |
|
923 |
if (LogCompilation && xtty != NULL) { |
|
924 |
ttyLocker ttyl; |
|
925 |
HandleMark hm; |
|
926 |
xtty->begin_elem("nmethod"); |
|
927 |
log_identity(xtty); |
|
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
928 |
xtty->print(" entry='" INTPTR_FORMAT "' size='%d'", p2i(code_begin()), size()); |
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
929 |
xtty->print(" address='" INTPTR_FORMAT "'", p2i(this)); |
1 | 930 |
|
931 |
LOG_OFFSET(xtty, relocation); |
|
6432
d36e09b60939
6961697: move nmethod constants section before instruction section
twisti
parents:
6418
diff
changeset
|
932 |
LOG_OFFSET(xtty, consts); |
6418 | 933 |
LOG_OFFSET(xtty, insts); |
1 | 934 |
LOG_OFFSET(xtty, stub); |
935 |
LOG_OFFSET(xtty, scopes_data); |
|
936 |
LOG_OFFSET(xtty, scopes_pcs); |
|
937 |
LOG_OFFSET(xtty, dependencies); |
|
938 |
LOG_OFFSET(xtty, handler_table); |
|
939 |
LOG_OFFSET(xtty, nul_chk_table); |
|
940 |
LOG_OFFSET(xtty, oops); |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
941 |
LOG_OFFSET(xtty, metadata); |
1 | 942 |
|
943 |
xtty->method(method()); |
|
944 |
xtty->stamp(); |
|
945 |
xtty->end_elem(); |
|
946 |
} |
|
947 |
} |
|
948 |
||
949 |
#undef LOG_OFFSET |
|
950 |
||
951 |
||
952 |
// Print out more verbose output usually for a newly created nmethod. |
|
8872
36680c58660e
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
8725
diff
changeset
|
953 |
void nmethod::print_on(outputStream* st, const char* msg) const { |
1 | 954 |
if (st != NULL) { |
955 |
ttyLocker ttyl; |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
956 |
if (WizardMode) { |
32582
56619bb8bcaa
8135067: Preparatory refactorings for compiler control
neliasso
parents:
32466
diff
changeset
|
957 |
CompileTask::print(st, this, msg, /*short_form:*/ true); |
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
958 |
st->print_cr(" (" INTPTR_FORMAT ")", p2i(this)); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
959 |
} else { |
32582
56619bb8bcaa
8135067: Preparatory refactorings for compiler control
neliasso
parents:
32466
diff
changeset
|
960 |
CompileTask::print(st, this, msg, /*short_form:*/ false); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
961 |
} |
1 | 962 |
} |
963 |
} |
|
964 |
||
965 |
||
966 |
void nmethod::print_nmethod(bool printmethod) { |
|
967 |
ttyLocker ttyl; // keep the following output all in one block |
|
968 |
if (xtty != NULL) { |
|
969 |
xtty->begin_head("print_nmethod"); |
|
970 |
xtty->stamp(); |
|
971 |
xtty->end_head(); |
|
972 |
} |
|
973 |
// print the header part first |
|
974 |
print(); |
|
975 |
// then print the requested information |
|
976 |
if (printmethod) { |
|
977 |
print_code(); |
|
978 |
print_pcs(); |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
979 |
if (oop_maps()) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
980 |
oop_maps()->print(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11637
diff
changeset
|
981 |
} |
1 | 982 |
} |
35086
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
983 |
if (printmethod || PrintDebugInfo || CompilerOracle::has_option_string(_method, "PrintDebugInfo")) { |
1 | 984 |
print_scopes(); |
985 |
} |
|
35086
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
986 |
if (printmethod || PrintRelocations || CompilerOracle::has_option_string(_method, "PrintRelocations")) { |
1 | 987 |
print_relocations(); |
988 |
} |
|
35086
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
989 |
if (printmethod || PrintDependencies || CompilerOracle::has_option_string(_method, "PrintDependencies")) { |
1 | 990 |
print_dependencies(); |
991 |
} |
|
35086
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
992 |
if (printmethod || PrintExceptionHandlers) { |
1 | 993 |
print_handler_table(); |
994 |
print_nul_chk_table(); |
|
995 |
} |
|
35086
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
996 |
if (printmethod) { |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
997 |
print_recorded_oops(); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
998 |
print_recorded_metadata(); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
999 |
} |
1 | 1000 |
if (xtty != NULL) { |
1001 |
xtty->tail("print_nmethod"); |
|
1002 |
} |
|
1003 |
} |
|
1004 |
||
1005 |
||
5686
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1006 |
// Promote one word from an assembly-time handle to a live embedded oop. |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1007 |
inline void nmethod::initialize_immediate_oop(oop* dest, jobject handle) { |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1008 |
if (handle == NULL || |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1009 |
// As a special case, IC oops are initialized to 1 or -1. |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1010 |
handle == (jobject) Universe::non_oop_word()) { |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1011 |
(*dest) = (oop) handle; |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1012 |
} else { |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1013 |
(*dest) = JNIHandles::resolve_non_null(handle); |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1014 |
} |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1015 |
} |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1016 |
|
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1017 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1018 |
// Have to have the same name because it's called by a template |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1019 |
void nmethod::copy_values(GrowableArray<jobject>* array) { |
5686
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1020 |
int length = array->length(); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1021 |
assert((address)(oops_begin() + length) <= (address)oops_end(), "oops big enough"); |
5686
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1022 |
oop* dest = oops_begin(); |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1023 |
for (int index = 0 ; index < length; index++) { |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1024 |
initialize_immediate_oop(&dest[index], array->at(index)); |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1025 |
} |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1026 |
|
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1027 |
// Now we can fix up all the oops in the code. We need to do this |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1028 |
// in the code because the assembler uses jobjects as placeholders. |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1029 |
// The code and relocations have already been initialized by the |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1030 |
// CodeBlob constructor, so it is valid even at this early point to |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1031 |
// iterate over relocations and patch the code. |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1032 |
fix_oop_relocations(NULL, NULL, /*initialize_immediates=*/ true); |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1033 |
} |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1034 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1035 |
void nmethod::copy_values(GrowableArray<Metadata*>* array) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1036 |
int length = array->length(); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1037 |
assert((address)(metadata_begin() + length) <= (address)metadata_end(), "big enough"); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1038 |
Metadata** dest = metadata_begin(); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1039 |
for (int index = 0 ; index < length; index++) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1040 |
dest[index] = array->at(index); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1041 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1042 |
} |
5686
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1043 |
|
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1044 |
bool nmethod::is_at_poll_return(address pc) { |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1045 |
RelocIterator iter(this, pc, pc+1); |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1046 |
while (iter.next()) { |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1047 |
if (iter.type() == relocInfo::poll_return_type) |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1048 |
return true; |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1049 |
} |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1050 |
return false; |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1051 |
} |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1052 |
|
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1053 |
|
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1054 |
bool nmethod::is_at_poll_or_poll_return(address pc) { |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1055 |
RelocIterator iter(this, pc, pc+1); |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1056 |
while (iter.next()) { |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1057 |
relocInfo::relocType t = iter.type(); |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1058 |
if (t == relocInfo::poll_return_type || t == relocInfo::poll_type) |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1059 |
return true; |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1060 |
} |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1061 |
return false; |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1062 |
} |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1063 |
|
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1064 |
|
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1065 |
void nmethod::fix_oop_relocations(address begin, address end, bool initialize_immediates) { |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1066 |
// re-patch all oop-bearing instructions, just in case some oops moved |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1067 |
RelocIterator iter(this, begin, end); |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1068 |
while (iter.next()) { |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1069 |
if (iter.type() == relocInfo::oop_type) { |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1070 |
oop_Relocation* reloc = iter.oop_reloc(); |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1071 |
if (initialize_immediates && reloc->oop_is_immediate()) { |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1072 |
oop* dest = reloc->oop_addr(); |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1073 |
initialize_immediate_oop(dest, (jobject) *dest); |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1074 |
} |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1075 |
// Refresh the oop-related bits of this instruction. |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1076 |
reloc->fix_oop_relocation(); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1077 |
} else if (iter.type() == relocInfo::metadata_type) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1078 |
metadata_Relocation* reloc = iter.metadata_reloc(); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1079 |
reloc->fix_metadata_relocation(); |
5686
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1080 |
} |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1081 |
} |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1082 |
} |
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1083 |
|
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
1084 |
|
8724
693c6b883b54
7028374: race in fix_oop_relocations for scavengeable nmethods
never
parents:
8679
diff
changeset
|
1085 |
void nmethod::verify_oop_relocations() { |
693c6b883b54
7028374: race in fix_oop_relocations for scavengeable nmethods
never
parents:
8679
diff
changeset
|
1086 |
// Ensure sure that the code matches the current oop values |
693c6b883b54
7028374: race in fix_oop_relocations for scavengeable nmethods
never
parents:
8679
diff
changeset
|
1087 |
RelocIterator iter(this, NULL, NULL); |
693c6b883b54
7028374: race in fix_oop_relocations for scavengeable nmethods
never
parents:
8679
diff
changeset
|
1088 |
while (iter.next()) { |
693c6b883b54
7028374: race in fix_oop_relocations for scavengeable nmethods
never
parents:
8679
diff
changeset
|
1089 |
if (iter.type() == relocInfo::oop_type) { |
693c6b883b54
7028374: race in fix_oop_relocations for scavengeable nmethods
never
parents:
8679
diff
changeset
|
1090 |
oop_Relocation* reloc = iter.oop_reloc(); |
693c6b883b54
7028374: race in fix_oop_relocations for scavengeable nmethods
never
parents:
8679
diff
changeset
|
1091 |
if (!reloc->oop_is_immediate()) { |
693c6b883b54
7028374: race in fix_oop_relocations for scavengeable nmethods
never
parents:
8679
diff
changeset
|
1092 |
reloc->verify_oop_relocation(); |
693c6b883b54
7028374: race in fix_oop_relocations for scavengeable nmethods
never
parents:
8679
diff
changeset
|
1093 |
} |
693c6b883b54
7028374: race in fix_oop_relocations for scavengeable nmethods
never
parents:
8679
diff
changeset
|
1094 |
} |
693c6b883b54
7028374: race in fix_oop_relocations for scavengeable nmethods
never
parents:
8679
diff
changeset
|
1095 |
} |
693c6b883b54
7028374: race in fix_oop_relocations for scavengeable nmethods
never
parents:
8679
diff
changeset
|
1096 |
} |
693c6b883b54
7028374: race in fix_oop_relocations for scavengeable nmethods
never
parents:
8679
diff
changeset
|
1097 |
|
693c6b883b54
7028374: race in fix_oop_relocations for scavengeable nmethods
never
parents:
8679
diff
changeset
|
1098 |
|
1 | 1099 |
ScopeDesc* nmethod::scope_desc_at(address pc) { |
1100 |
PcDesc* pd = pc_desc_at(pc); |
|
1101 |
guarantee(pd != NULL, "scope must be present"); |
|
1102 |
return new ScopeDesc(this, pd->scope_decode_offset(), |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1103 |
pd->obj_decode_offset(), pd->should_reexecute(), pd->rethrow_exception(), |
4894
8a76fd3d098d
6910618: C2: Error: assert(d->is_oop(),"JVM_ArrayCopy: dst not an oop")
kvn
parents:
4891
diff
changeset
|
1104 |
pd->return_oop()); |
1 | 1105 |
} |
1106 |
||
1107 |
||
1108 |
void nmethod::clear_inline_caches() { |
|
1109 |
assert(SafepointSynchronize::is_at_safepoint(), "cleaning of IC's only allowed at safepoint"); |
|
1110 |
if (is_zombie()) { |
|
1111 |
return; |
|
1112 |
} |
|
1113 |
||
1114 |
RelocIterator iter(this); |
|
1115 |
while (iter.next()) { |
|
1116 |
iter.reloc()->clear_inline_cache(); |
|
1117 |
} |
|
1118 |
} |
|
1119 |
||
26912
19021f626ad2
8058737: CodeCache::find_blob fails with 'unsafe access to zombie method'
thartmann
parents:
26796
diff
changeset
|
1120 |
// Clear ICStubs of all compiled ICs |
19021f626ad2
8058737: CodeCache::find_blob fails with 'unsafe access to zombie method'
thartmann
parents:
26796
diff
changeset
|
1121 |
void nmethod::clear_ic_stubs() { |
19021f626ad2
8058737: CodeCache::find_blob fails with 'unsafe access to zombie method'
thartmann
parents:
26796
diff
changeset
|
1122 |
assert_locked_or_safepoint(CompiledIC_lock); |
19021f626ad2
8058737: CodeCache::find_blob fails with 'unsafe access to zombie method'
thartmann
parents:
26796
diff
changeset
|
1123 |
RelocIterator iter(this); |
19021f626ad2
8058737: CodeCache::find_blob fails with 'unsafe access to zombie method'
thartmann
parents:
26796
diff
changeset
|
1124 |
while(iter.next()) { |
19021f626ad2
8058737: CodeCache::find_blob fails with 'unsafe access to zombie method'
thartmann
parents:
26796
diff
changeset
|
1125 |
if (iter.type() == relocInfo::virtual_call_type) { |
19021f626ad2
8058737: CodeCache::find_blob fails with 'unsafe access to zombie method'
thartmann
parents:
26796
diff
changeset
|
1126 |
CompiledIC* ic = CompiledIC_at(&iter); |
19021f626ad2
8058737: CodeCache::find_blob fails with 'unsafe access to zombie method'
thartmann
parents:
26796
diff
changeset
|
1127 |
ic->clear_ic_stub(); |
19021f626ad2
8058737: CodeCache::find_blob fails with 'unsafe access to zombie method'
thartmann
parents:
26796
diff
changeset
|
1128 |
} |
19021f626ad2
8058737: CodeCache::find_blob fails with 'unsafe access to zombie method'
thartmann
parents:
26796
diff
changeset
|
1129 |
} |
19021f626ad2
8058737: CodeCache::find_blob fails with 'unsafe access to zombie method'
thartmann
parents:
26796
diff
changeset
|
1130 |
} |
19021f626ad2
8058737: CodeCache::find_blob fails with 'unsafe access to zombie method'
thartmann
parents:
26796
diff
changeset
|
1131 |
|
1 | 1132 |
|
1133 |
void nmethod::cleanup_inline_caches() { |
|
5533
e8d9ff82ec62
6950075: nmethod sweeper should operate concurrently
never
parents:
5403
diff
changeset
|
1134 |
assert_locked_or_safepoint(CompiledIC_lock); |
1 | 1135 |
|
1136 |
// If the method is not entrant or zombie then a JMP is plastered over the |
|
1137 |
// first few bytes. If an oop in the old code was there, that oop |
|
1138 |
// should not get GC'd. Skip the first few bytes of oops on |
|
1139 |
// not-entrant methods. |
|
1140 |
address low_boundary = verified_entry_point(); |
|
1141 |
if (!is_in_use()) { |
|
1142 |
low_boundary += NativeJump::instruction_size; |
|
1143 |
// %%% Note: On SPARC we patch only a 4-byte trap, not a full NativeJump. |
|
1144 |
// This means that the low_boundary is going to be a little too high. |
|
1145 |
// This shouldn't matter, since oops of non-entrant methods are never used. |
|
1146 |
// In fact, why are we bothering to look at oops in a non-entrant method?? |
|
1147 |
} |
|
1148 |
||
32401
cc58aeaec340
8075805: Crash while trying to release CompiledICHolder
thartmann
parents:
31592
diff
changeset
|
1149 |
// Find all calls in an nmethod and clear the ones that point to non-entrant, |
cc58aeaec340
8075805: Crash while trying to release CompiledICHolder
thartmann
parents:
31592
diff
changeset
|
1150 |
// zombie and unloaded nmethods. |
1 | 1151 |
ResourceMark rm; |
1152 |
RelocIterator iter(this, low_boundary); |
|
1153 |
while(iter.next()) { |
|
1154 |
switch(iter.type()) { |
|
1155 |
case relocInfo::virtual_call_type: |
|
1156 |
case relocInfo::opt_virtual_call_type: { |
|
25486
be44827be5e7
8047362: Add a version of CompiledIC_at that doesn't create a new RelocIterator
stefank
parents:
25357
diff
changeset
|
1157 |
CompiledIC *ic = CompiledIC_at(&iter); |
1 | 1158 |
// Ok, to lookup references to zombies here |
1159 |
CodeBlob *cb = CodeCache::find_blob_unsafe(ic->ic_destination()); |
|
1160 |
if( cb != NULL && cb->is_nmethod() ) { |
|
1161 |
nmethod* nm = (nmethod*)cb; |
|
32401
cc58aeaec340
8075805: Crash while trying to release CompiledICHolder
thartmann
parents:
31592
diff
changeset
|
1162 |
// Clean inline caches pointing to zombie, non-entrant and unloaded methods |
32466
915d0c3d25aa
8134493: Cleaning inline caches of unloaded nmethods should be done in sweeper
thartmann
parents:
32401
diff
changeset
|
1163 |
if (!nm->is_in_use() || (nm->method()->code() != nm)) ic->set_to_clean(is_alive()); |
1 | 1164 |
} |
1165 |
break; |
|
1166 |
} |
|
1167 |
case relocInfo::static_call_type: { |
|
1168 |
CompiledStaticCall *csc = compiledStaticCall_at(iter.reloc()); |
|
1169 |
CodeBlob *cb = CodeCache::find_blob_unsafe(csc->destination()); |
|
1170 |
if( cb != NULL && cb->is_nmethod() ) { |
|
1171 |
nmethod* nm = (nmethod*)cb; |
|
32401
cc58aeaec340
8075805: Crash while trying to release CompiledICHolder
thartmann
parents:
31592
diff
changeset
|
1172 |
// Clean inline caches pointing to zombie, non-entrant and unloaded methods |
4750 | 1173 |
if (!nm->is_in_use() || (nm->method()->code() != nm)) csc->set_to_clean(); |
1 | 1174 |
} |
1175 |
break; |
|
1176 |
} |
|
1177 |
} |
|
1178 |
} |
|
1179 |
} |
|
1180 |
||
25492
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1181 |
void nmethod::verify_clean_inline_caches() { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1182 |
assert_locked_or_safepoint(CompiledIC_lock); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1183 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1184 |
// If the method is not entrant or zombie then a JMP is plastered over the |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1185 |
// first few bytes. If an oop in the old code was there, that oop |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1186 |
// should not get GC'd. Skip the first few bytes of oops on |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1187 |
// not-entrant methods. |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1188 |
address low_boundary = verified_entry_point(); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1189 |
if (!is_in_use()) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1190 |
low_boundary += NativeJump::instruction_size; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1191 |
// %%% Note: On SPARC we patch only a 4-byte trap, not a full NativeJump. |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1192 |
// This means that the low_boundary is going to be a little too high. |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1193 |
// This shouldn't matter, since oops of non-entrant methods are never used. |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1194 |
// In fact, why are we bothering to look at oops in a non-entrant method?? |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1195 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1196 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1197 |
ResourceMark rm; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1198 |
RelocIterator iter(this, low_boundary); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1199 |
while(iter.next()) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1200 |
switch(iter.type()) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1201 |
case relocInfo::virtual_call_type: |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1202 |
case relocInfo::opt_virtual_call_type: { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1203 |
CompiledIC *ic = CompiledIC_at(&iter); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1204 |
// Ok, to lookup references to zombies here |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1205 |
CodeBlob *cb = CodeCache::find_blob_unsafe(ic->ic_destination()); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1206 |
if( cb != NULL && cb->is_nmethod() ) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1207 |
nmethod* nm = (nmethod*)cb; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1208 |
// Verify that inline caches pointing to both zombie and not_entrant methods are clean |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1209 |
if (!nm->is_in_use() || (nm->method()->code() != nm)) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1210 |
assert(ic->is_clean(), "IC should be clean"); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1211 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1212 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1213 |
break; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1214 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1215 |
case relocInfo::static_call_type: { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1216 |
CompiledStaticCall *csc = compiledStaticCall_at(iter.reloc()); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1217 |
CodeBlob *cb = CodeCache::find_blob_unsafe(csc->destination()); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1218 |
if( cb != NULL && cb->is_nmethod() ) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1219 |
nmethod* nm = (nmethod*)cb; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1220 |
// Verify that inline caches pointing to both zombie and not_entrant methods are clean |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1221 |
if (!nm->is_in_use() || (nm->method()->code() != nm)) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1222 |
assert(csc->is_clean(), "IC should be clean"); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1223 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1224 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1225 |
break; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1226 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1227 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1228 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1229 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1230 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1231 |
int nmethod::verify_icholder_relocations() { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1232 |
int count = 0; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1233 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1234 |
RelocIterator iter(this); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1235 |
while(iter.next()) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1236 |
if (iter.type() == relocInfo::virtual_call_type) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1237 |
if (CompiledIC::is_icholder_call_site(iter.virtual_call_reloc())) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1238 |
CompiledIC *ic = CompiledIC_at(&iter); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1239 |
if (TraceCompiledIC) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1240 |
tty->print("noticed icholder " INTPTR_FORMAT " ", p2i(ic->cached_icholder())); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1241 |
ic->print(); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1242 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1243 |
assert(ic->cached_icholder() != NULL, "must be non-NULL"); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1244 |
count++; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1245 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1246 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1247 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1248 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1249 |
return count; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1250 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1251 |
|
3908
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
1252 |
// This is a private interface with the sweeper. |
1 | 1253 |
void nmethod::mark_as_seen_on_stack() { |
20290
2127dc70bce9
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
19725
diff
changeset
|
1254 |
assert(is_alive(), "Must be an alive method"); |
5924
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
1255 |
// Set the traversal mark to ensure that the sweeper does 2 |
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
1256 |
// cleaning passes before moving to zombie. |
1 | 1257 |
set_stack_traversal_mark(NMethodSweeper::traversal_count()); |
1258 |
} |
|
1259 |
||
8661
3dc8a18ac563
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
8495
diff
changeset
|
1260 |
// Tell if a non-entrant method can be converted to a zombie (i.e., |
3dc8a18ac563
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
8495
diff
changeset
|
1261 |
// there are no activations on the stack, not in use by the VM, |
3dc8a18ac563
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
8495
diff
changeset
|
1262 |
// and not in use by the ServiceThread) |
32466
915d0c3d25aa
8134493: Cleaning inline caches of unloaded nmethods should be done in sweeper
thartmann
parents:
32401
diff
changeset
|
1263 |
bool nmethod::can_convert_to_zombie() { |
1 | 1264 |
assert(is_not_entrant(), "must be a non-entrant method"); |
1265 |
||
1266 |
// Since the nmethod sweeper only does partial sweep the sweeper's traversal |
|
1267 |
// count can be greater than the stack traversal count before it hits the |
|
1268 |
// nmethod for the second time. |
|
8661
3dc8a18ac563
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
8495
diff
changeset
|
1269 |
return stack_traversal_mark()+1 < NMethodSweeper::traversal_count() && |
3dc8a18ac563
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
8495
diff
changeset
|
1270 |
!is_locked_by_vm(); |
1 | 1271 |
} |
1272 |
||
1273 |
void nmethod::inc_decompile_count() { |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1274 |
if (!is_compiled_by_c2() && !is_compiled_by_jvmci()) return; |
1 | 1275 |
// Could be gated by ProfileTraps, but do not bother... |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1276 |
Method* m = method(); |
1 | 1277 |
if (m == NULL) return; |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1278 |
MethodData* mdo = m->method_data(); |
1 | 1279 |
if (mdo == NULL) return; |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1280 |
// There is a benign race here. See comments in methodData.hpp. |
1 | 1281 |
mdo->inc_decompile_count(); |
1282 |
} |
|
1283 |
||
25492
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1284 |
void nmethod::increase_unloading_clock() { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1285 |
_global_unloading_clock++; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1286 |
if (_global_unloading_clock == 0) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1287 |
// _nmethods are allocated with _unloading_clock == 0, |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1288 |
// so 0 is never used as a clock value. |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1289 |
_global_unloading_clock = 1; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1290 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1291 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1292 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1293 |
void nmethod::set_unloading_clock(unsigned char unloading_clock) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1294 |
OrderAccess::release_store((volatile jubyte*)&_unloading_clock, unloading_clock); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1295 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1296 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1297 |
unsigned char nmethod::unloading_clock() { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1298 |
return (unsigned char)OrderAccess::load_acquire((volatile jubyte*)&_unloading_clock); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1299 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1300 |
|
1 | 1301 |
void nmethod::make_unloaded(BoolObjectClosure* is_alive, oop cause) { |
1302 |
||
1303 |
post_compiled_method_unload(); |
|
1304 |
||
1305 |
// Since this nmethod is being unloaded, make sure that dependencies |
|
1306 |
// recorded in instanceKlasses get flushed and pass non-NULL closure to |
|
1307 |
// indicate that this work is being done during a GC. |
|
1308 |
assert(Universe::heap()->is_gc_active(), "should only be called during gc"); |
|
1309 |
assert(is_alive != NULL, "Should be non-NULL"); |
|
1310 |
// A non-NULL is_alive closure indicates that this is being called during GC. |
|
1311 |
flush_dependencies(is_alive); |
|
1312 |
||
1313 |
// Break cycle between nmethod & method |
|
35917
463d67f86eaa
8079408: Reimplement TraceClassLoading, TraceClassUnloading, and TraceClassLoaderData with Unified Logging.
mockner
parents:
35495
diff
changeset
|
1314 |
if (log_is_enabled(Trace, classunload)) { |
463d67f86eaa
8079408: Reimplement TraceClassLoading, TraceClassUnloading, and TraceClassLoaderData with Unified Logging.
mockner
parents:
35495
diff
changeset
|
1315 |
outputStream* log = LogHandle(classunload)::trace_stream(); |
463d67f86eaa
8079408: Reimplement TraceClassLoading, TraceClassUnloading, and TraceClassLoaderData with Unified Logging.
mockner
parents:
35495
diff
changeset
|
1316 |
log->print_cr("making nmethod " INTPTR_FORMAT |
463d67f86eaa
8079408: Reimplement TraceClassLoading, TraceClassUnloading, and TraceClassLoaderData with Unified Logging.
mockner
parents:
35495
diff
changeset
|
1317 |
" unloadable, Method*(" INTPTR_FORMAT |
1 | 1318 |
"), cause(" INTPTR_FORMAT ")", |
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
1319 |
p2i(this), p2i(_method), p2i(cause)); |
3908
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
1320 |
if (!Universe::heap()->is_gc_active()) |
35917
463d67f86eaa
8079408: Reimplement TraceClassLoading, TraceClassUnloading, and TraceClassLoaderData with Unified Logging.
mockner
parents:
35495
diff
changeset
|
1321 |
cause->klass()->print_on(log); |
1 | 1322 |
} |
3696 | 1323 |
// Unlink the osr method, so we do not look this up again |
1324 |
if (is_osr_method()) { |
|
1325 |
invalidate_osr_method(); |
|
1326 |
} |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1327 |
// If _method is already NULL the Method* is about to be unloaded, |
1 | 1328 |
// so we don't have to break the cycle. Note that it is possible to |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1329 |
// have the Method* live here, in case we unload the nmethod because |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1330 |
// it is pointing to some oop (other than the Method*) being unloaded. |
1 | 1331 |
if (_method != NULL) { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1332 |
// OSR methods point to the Method*, but the Method* does not |
1 | 1333 |
// point back! |
1334 |
if (_method->code() == this) { |
|
1335 |
_method->clear_code(); // Break a cycle |
|
1336 |
} |
|
1337 |
_method = NULL; // Clear the method of this dead nmethod |
|
1338 |
} |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1339 |
|
1 | 1340 |
// Make the class unloaded - i.e., change state and notify sweeper |
5533
e8d9ff82ec62
6950075: nmethod sweeper should operate concurrently
never
parents:
5403
diff
changeset
|
1341 |
assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); |
1 | 1342 |
if (is_in_use()) { |
1343 |
// Transitioning directly from live to unloaded -- so |
|
1344 |
// we need to force a cache clean-up; remember this |
|
1345 |
// for later on. |
|
1346 |
CodeCache::set_needs_cache_clean(true); |
|
1347 |
} |
|
25492
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1348 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1349 |
// Unregister must be done before the state change |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1350 |
Universe::heap()->unregister_nmethod(this); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1351 |
|
33632 | 1352 |
_state = unloaded; |
1353 |
||
35092
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
1354 |
// Log the unloading. |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
1355 |
log_state_change(); |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
1356 |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1357 |
#if INCLUDE_JVMCI |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1358 |
// The method can only be unloaded after the pointer to the installed code |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1359 |
// Java wrapper is no longer alive. Here we need to clear out this weak |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1360 |
// reference to the dead object. Nulling out the reference has to happen |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1361 |
// after the method is unregistered since the original value may be still |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1362 |
// tracked by the rset. |
33632 | 1363 |
maybe_invalidate_installed_code(); |
35092
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
1364 |
// Clear these out after the nmethod has been unregistered and any |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
1365 |
// updates to the InstalledCode instance have been performed. |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
1366 |
_jvmci_installed_code = NULL; |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
1367 |
_speculation_log = NULL; |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1368 |
#endif |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1369 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1370 |
// The Method* is gone at this point |
1 | 1371 |
assert(_method == NULL, "Tautology"); |
1372 |
||
3908
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
1373 |
set_osr_link(NULL); |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
1374 |
//set_scavenge_root_link(NULL); // done by prune_scavenge_root_nmethods |
21575
6a9645992cee
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
21572
diff
changeset
|
1375 |
NMethodSweeper::report_state_change(this); |
1 | 1376 |
} |
1377 |
||
1378 |
void nmethod::invalidate_osr_method() { |
|
1379 |
assert(_entry_bci != InvocationEntryBci, "wrong kind of nmethod"); |
|
1380 |
// Remove from list of active nmethods |
|
1381 |
if (method() != NULL) |
|
14391
df0a1573d5bd
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
13897
diff
changeset
|
1382 |
method()->method_holder()->remove_osr_nmethod(this); |
1 | 1383 |
} |
1384 |
||
4479
5686407cde7a
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
3913
diff
changeset
|
1385 |
void nmethod::log_state_change() const { |
1 | 1386 |
if (LogCompilation) { |
1387 |
if (xtty != NULL) { |
|
1388 |
ttyLocker ttyl; // keep the following output all in one block |
|
5924
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
1389 |
if (_state == unloaded) { |
4479
5686407cde7a
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
3913
diff
changeset
|
1390 |
xtty->begin_elem("make_unloaded thread='" UINTX_FORMAT "'", |
5686407cde7a
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
3913
diff
changeset
|
1391 |
os::current_thread_id()); |
5686407cde7a
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
3913
diff
changeset
|
1392 |
} else { |
5686407cde7a
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
3913
diff
changeset
|
1393 |
xtty->begin_elem("make_not_entrant thread='" UINTX_FORMAT "'%s", |
5686407cde7a
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
3913
diff
changeset
|
1394 |
os::current_thread_id(), |
5924
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
1395 |
(_state == zombie ? " zombie='1'" : "")); |
4479
5686407cde7a
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
3913
diff
changeset
|
1396 |
} |
1 | 1397 |
log_identity(xtty); |
1398 |
xtty->stamp(); |
|
1399 |
xtty->end_elem(); |
|
1400 |
} |
|
1401 |
} |
|
5924
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
1402 |
if (PrintCompilation && _state != unloaded) { |
8872
36680c58660e
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
8725
diff
changeset
|
1403 |
print_on(tty, _state == zombie ? "made zombie" : "made not entrant"); |
1 | 1404 |
} |
1405 |
} |
|
1406 |
||
21575
6a9645992cee
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
21572
diff
changeset
|
1407 |
/** |
6a9645992cee
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
21572
diff
changeset
|
1408 |
* Common functionality for both make_not_entrant and make_zombie |
6a9645992cee
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
21572
diff
changeset
|
1409 |
*/ |
4570 | 1410 |
bool nmethod::make_not_entrant_or_zombie(unsigned int state) { |
1 | 1411 |
assert(state == zombie || state == not_entrant, "must be zombie or not_entrant"); |
8661
3dc8a18ac563
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
8495
diff
changeset
|
1412 |
assert(!is_zombie(), "should not already be a zombie"); |
1 | 1413 |
|
5924
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
1414 |
// Make sure neither the nmethod nor the method is flushed in case of a safepoint in code below. |
1 | 1415 |
nmethodLocker nml(this); |
5924
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
1416 |
methodHandle the_method(method()); |
35492
c8c0273e6b91
8146690: Make all classes in GC follow the naming convention.
david
parents:
35175
diff
changeset
|
1417 |
NoSafepointVerifier nsv; |
1 | 1418 |
|
19339 | 1419 |
// during patching, depending on the nmethod state we must notify the GC that |
1420 |
// code has been unloaded, unregistering it. We cannot do this right while |
|
1421 |
// holding the Patching_lock because we need to use the CodeCache_lock. This |
|
1422 |
// would be prone to deadlocks. |
|
1423 |
// This flag is used to remember whether we need to later lock and unregister. |
|
1424 |
bool nmethod_needs_unregister = false; |
|
1425 |
||
1 | 1426 |
{ |
4479
5686407cde7a
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
3913
diff
changeset
|
1427 |
// invalidate osr nmethod before acquiring the patching lock since |
5686407cde7a
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
3913
diff
changeset
|
1428 |
// they both acquire leaf locks and we don't want a deadlock. |
5686407cde7a
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
3913
diff
changeset
|
1429 |
// This logic is equivalent to the logic below for patching the |
5686407cde7a
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
3913
diff
changeset
|
1430 |
// verified entry point of regular methods. |
5686407cde7a
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
3913
diff
changeset
|
1431 |
if (is_osr_method()) { |
5686407cde7a
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
3913
diff
changeset
|
1432 |
// this effectively makes the osr nmethod not entrant |
5686407cde7a
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
3913
diff
changeset
|
1433 |
invalidate_osr_method(); |
5686407cde7a
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
3913
diff
changeset
|
1434 |
} |
5686407cde7a
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
3913
diff
changeset
|
1435 |
|
1 | 1436 |
// Enter critical section. Does not block for safepoint. |
1437 |
MutexLockerEx pl(Patching_lock, Mutex::_no_safepoint_check_flag); |
|
4479
5686407cde7a
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
3913
diff
changeset
|
1438 |
|
5924
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
1439 |
if (_state == state) { |
4479
5686407cde7a
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
3913
diff
changeset
|
1440 |
// another thread already performed this transition so nothing |
5686407cde7a
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
3913
diff
changeset
|
1441 |
// to do, but return false to indicate this. |
5686407cde7a
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
3913
diff
changeset
|
1442 |
return false; |
5686407cde7a
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
3913
diff
changeset
|
1443 |
} |
5686407cde7a
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
3913
diff
changeset
|
1444 |
|
1 | 1445 |
// The caller can be calling the method statically or through an inline |
1446 |
// cache call. |
|
4479
5686407cde7a
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
3913
diff
changeset
|
1447 |
if (!is_osr_method() && !is_not_entrant()) { |
1 | 1448 |
NativeJump::patch_verified_entry(entry_point(), verified_entry_point(), |
1449 |
SharedRuntime::get_handle_wrong_method_stub()); |
|
1450 |
} |
|
1451 |
||
5924
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
1452 |
if (is_in_use()) { |
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
1453 |
// It's a true state change, so mark the method as decompiled. |
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
1454 |
// Do it only for transition from alive. |
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
1455 |
inc_decompile_count(); |
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
1456 |
} |
4754
8aef16f24e16
6614597: Performance variability in jvm2008 xml.validation
kvn
parents:
4752
diff
changeset
|
1457 |
|
19339 | 1458 |
// If the state is becoming a zombie, signal to unregister the nmethod with |
1459 |
// the heap. |
|
1460 |
// This nmethod may have already been unloaded during a full GC. |
|
1461 |
if ((state == zombie) && !is_unloaded()) { |
|
1462 |
nmethod_needs_unregister = true; |
|
1463 |
} |
|
1464 |
||
20290
2127dc70bce9
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
19725
diff
changeset
|
1465 |
// Must happen before state change. Otherwise we have a race condition in |
2127dc70bce9
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
19725
diff
changeset
|
1466 |
// nmethod::can_not_entrant_be_converted(). I.e., a method can immediately |
2127dc70bce9
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
19725
diff
changeset
|
1467 |
// transition its state from 'not_entrant' to 'zombie' without having to wait |
2127dc70bce9
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
19725
diff
changeset
|
1468 |
// for stack scanning. |
2127dc70bce9
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
19725
diff
changeset
|
1469 |
if (state == not_entrant) { |
2127dc70bce9
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
19725
diff
changeset
|
1470 |
mark_as_seen_on_stack(); |
2127dc70bce9
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
19725
diff
changeset
|
1471 |
OrderAccess::storestore(); |
2127dc70bce9
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
19725
diff
changeset
|
1472 |
} |
2127dc70bce9
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
19725
diff
changeset
|
1473 |
|
1 | 1474 |
// Change state |
5924
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
1475 |
_state = state; |
4479
5686407cde7a
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
3913
diff
changeset
|
1476 |
|
5686407cde7a
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
3913
diff
changeset
|
1477 |
// Log the transition once |
5686407cde7a
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
3913
diff
changeset
|
1478 |
log_state_change(); |
5686407cde7a
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
3913
diff
changeset
|
1479 |
|
35092
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
1480 |
// Invalidate while holding the patching lock |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
1481 |
JVMCI_ONLY(maybe_invalidate_installed_code()); |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
1482 |
|
5924
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
1483 |
// Remove nmethod from method. |
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
1484 |
// We need to check if both the _code and _from_compiled_code_entry_point |
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
1485 |
// refer to this nmethod because there is a race in setting these two fields |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1486 |
// in Method* as seen in bugid 4947125. |
5924
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
1487 |
// If the vep() points to the zombie nmethod, the memory for the nmethod |
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
1488 |
// could be flushed and the compiler and vtable stubs could still call |
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
1489 |
// through it. |
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
1490 |
if (method() != NULL && (method()->code() == this || |
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
1491 |
method()->from_compiled_entry() == verified_entry_point())) { |
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
1492 |
HandleMark hm; |
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
1493 |
method()->clear_code(); |
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
1494 |
} |
1 | 1495 |
} // leave critical region under Patching_lock |
1496 |
||
5533
e8d9ff82ec62
6950075: nmethod sweeper should operate concurrently
never
parents:
5403
diff
changeset
|
1497 |
// When the nmethod becomes zombie it is no longer alive so the |
e8d9ff82ec62
6950075: nmethod sweeper should operate concurrently
never
parents:
5403
diff
changeset
|
1498 |
// dependencies must be flushed. nmethods in the not_entrant |
e8d9ff82ec62
6950075: nmethod sweeper should operate concurrently
never
parents:
5403
diff
changeset
|
1499 |
// state will be flushed later when the transition to zombie |
e8d9ff82ec62
6950075: nmethod sweeper should operate concurrently
never
parents:
5403
diff
changeset
|
1500 |
// happens or they get unloaded. |
e8d9ff82ec62
6950075: nmethod sweeper should operate concurrently
never
parents:
5403
diff
changeset
|
1501 |
if (state == zombie) { |
6268 | 1502 |
{ |
1503 |
// Flushing dependecies must be done before any possible |
|
1504 |
// safepoint can sneak in, otherwise the oops used by the |
|
1505 |
// dependency logic could have become stale. |
|
1506 |
MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
|
19339 | 1507 |
if (nmethod_needs_unregister) { |
1508 |
Universe::heap()->unregister_nmethod(this); |
|
35092
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
1509 |
#ifdef JVMCI |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
1510 |
_jvmci_installed_code = NULL; |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
1511 |
_speculation_log = NULL; |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
1512 |
#endif |
19339 | 1513 |
} |
6268 | 1514 |
flush_dependencies(NULL); |
1515 |
} |
|
5924
dc9d04930c82
6965184: possible races in make_not_entrant_or_zombie
never
parents:
5896
diff
changeset
|
1516 |
|
8661
3dc8a18ac563
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
8495
diff
changeset
|
1517 |
// zombie only - if a JVMTI agent has enabled the CompiledMethodUnload |
3dc8a18ac563
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
8495
diff
changeset
|
1518 |
// event and it hasn't already been reported for this nmethod then |
3dc8a18ac563
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
8495
diff
changeset
|
1519 |
// report it now. The event may have been reported earilier if the GC |
3dc8a18ac563
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
8495
diff
changeset
|
1520 |
// marked it for unloading). JvmtiDeferredEventQueue support means |
3dc8a18ac563
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
8495
diff
changeset
|
1521 |
// we no longer go to a safepoint here. |
3dc8a18ac563
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
8495
diff
changeset
|
1522 |
post_compiled_method_unload(); |
6268 | 1523 |
|
1524 |
#ifdef ASSERT |
|
1525 |
// It's no longer safe to access the oops section since zombie |
|
1526 |
// nmethods aren't scanned for GC. |
|
1527 |
_oops_are_stale = true; |
|
1528 |
#endif |
|
19711
95cc0162a92d
8016277: Crash in nmethod::is_compiled_by_c1() on x86
roland
parents:
19339
diff
changeset
|
1529 |
// the Method may be reclaimed by class unloading now that the |
95cc0162a92d
8016277: Crash in nmethod::is_compiled_by_c1() on x86
roland
parents:
19339
diff
changeset
|
1530 |
// nmethod is in zombie state |
95cc0162a92d
8016277: Crash in nmethod::is_compiled_by_c1() on x86
roland
parents:
19339
diff
changeset
|
1531 |
set_method(NULL); |
5533
e8d9ff82ec62
6950075: nmethod sweeper should operate concurrently
never
parents:
5403
diff
changeset
|
1532 |
} else { |
e8d9ff82ec62
6950075: nmethod sweeper should operate concurrently
never
parents:
5403
diff
changeset
|
1533 |
assert(state == not_entrant, "other cases may need to be handled differently"); |
e8d9ff82ec62
6950075: nmethod sweeper should operate concurrently
never
parents:
5403
diff
changeset
|
1534 |
} |
33632 | 1535 |
|
1 | 1536 |
if (TraceCreateZombies) { |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1537 |
ResourceMark m; |
33198 | 1538 |
tty->print_cr("nmethod <" INTPTR_FORMAT "> %s code made %s", p2i(this), this->method() ? this->method()->name_and_sig_as_C_string() : "null", (state == not_entrant) ? "not entrant" : "zombie"); |
1 | 1539 |
} |
1540 |
||
21575
6a9645992cee
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
21572
diff
changeset
|
1541 |
NMethodSweeper::report_state_change(this); |
4479
5686407cde7a
5057818: codecache full and compiler disabled in bigapps fastdebug run
never
parents:
3913
diff
changeset
|
1542 |
return true; |
1 | 1543 |
} |
1544 |
||
1545 |
void nmethod::flush() { |
|
1546 |
// Note that there are no valid oops in the nmethod anymore. |
|
1547 |
assert(is_zombie() || (is_osr_method() && is_unloaded()), "must be a zombie method"); |
|
1548 |
assert(is_marked_for_reclamation() || (is_osr_method() && is_unloaded()), "must be marked for reclamation"); |
|
1549 |
||
1550 |
assert (!is_locked_by_vm(), "locked methods shouldn't be flushed"); |
|
5533
e8d9ff82ec62
6950075: nmethod sweeper should operate concurrently
never
parents:
5403
diff
changeset
|
1551 |
assert_locked_or_safepoint(CodeCache_lock); |
1 | 1552 |
|
1553 |
// completely deallocate this method |
|
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
1554 |
Events::log(JavaThread::current(), "flushing nmethod " INTPTR_FORMAT, p2i(this)); |
1 | 1555 |
if (PrintMethodFlushing) { |
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
1556 |
tty->print_cr("*flushing nmethod %3d/" INTPTR_FORMAT ". Live blobs:" UINT32_FORMAT |
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
1557 |
"/Free CodeCache:" SIZE_FORMAT "Kb", |
34158
1f8d643b02d5
8067378: Add segmented code heaps info into jfr events: vm/code_cache/stats and vm/code_cache/config
thartmann
parents:
33632
diff
changeset
|
1558 |
_compile_id, p2i(this), CodeCache::blob_count(), |
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
1559 |
CodeCache::unallocated_capacity(CodeCache::get_code_blob_type(this))/1024); |
1 | 1560 |
} |
1561 |
||
1562 |
// We need to deallocate any ExceptionCache data. |
|
1563 |
// Note that we do not need to grab the nmethod lock for this, it |
|
1564 |
// better be thread safe if we're disposing of it! |
|
1565 |
ExceptionCache* ec = exception_cache(); |
|
1566 |
set_exception_cache(NULL); |
|
1567 |
while(ec != NULL) { |
|
1568 |
ExceptionCache* next = ec->next(); |
|
1569 |
delete ec; |
|
1570 |
ec = next; |
|
1571 |
} |
|
1572 |
||
3908
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
1573 |
if (on_scavenge_root_list()) { |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
1574 |
CodeCache::drop_scavenge_root_nmethod(this); |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
1575 |
} |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
1576 |
|
6187 | 1577 |
#ifdef SHARK |
6771
3f9a5f169070
6990549: Zero and Shark fixes after 6978355 and 6953144
twisti
parents:
6454
diff
changeset
|
1578 |
((SharkCompiler *) compiler())->free_compiled_method(insts_begin()); |
6187 | 1579 |
#endif // SHARK |
1580 |
||
1 | 1581 |
((CodeBlob*)(this))->flush(); |
1582 |
||
1583 |
CodeCache::free(this); |
|
1584 |
} |
|
1585 |
||
1586 |
// |
|
1587 |
// Notify all classes this nmethod is dependent on that it is no |
|
1588 |
// longer dependent. This should only be called in two situations. |
|
1589 |
// First, when a nmethod transitions to a zombie all dependents need |
|
1590 |
// to be clear. Since zombification happens at a safepoint there's no |
|
1591 |
// synchronization issues. The second place is a little more tricky. |
|
1592 |
// During phase 1 of mark sweep class unloading may happen and as a |
|
1593 |
// result some nmethods may get unloaded. In this case the flushing |
|
1594 |
// of dependencies must happen during phase 1 since after GC any |
|
1595 |
// dependencies in the unloaded nmethod won't be updated, so |
|
1596 |
// traversing the dependency information in unsafe. In that case this |
|
1597 |
// function is called with a non-NULL argument and this function only |
|
1598 |
// notifies instanceKlasses that are reachable |
|
1599 |
||
1600 |
void nmethod::flush_dependencies(BoolObjectClosure* is_alive) { |
|
5533
e8d9ff82ec62
6950075: nmethod sweeper should operate concurrently
never
parents:
5403
diff
changeset
|
1601 |
assert_locked_or_safepoint(CodeCache_lock); |
1 | 1602 |
assert(Universe::heap()->is_gc_active() == (is_alive != NULL), |
1603 |
"is_alive is non-NULL if and only if we are called during GC"); |
|
1604 |
if (!has_flushed_dependencies()) { |
|
1605 |
set_has_flushed_dependencies(); |
|
1606 |
for (Dependencies::DepStream deps(this); deps.next(); ) { |
|
31037
01a5c5fa5681
8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents:
30628
diff
changeset
|
1607 |
if (deps.type() == Dependencies::call_site_target_value) { |
01a5c5fa5681
8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents:
30628
diff
changeset
|
1608 |
// CallSite dependencies are managed on per-CallSite instance basis. |
01a5c5fa5681
8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents:
30628
diff
changeset
|
1609 |
oop call_site = deps.argument_oop(0); |
01a5c5fa5681
8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents:
30628
diff
changeset
|
1610 |
MethodHandles::remove_dependent_nmethod(call_site, this); |
01a5c5fa5681
8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents:
30628
diff
changeset
|
1611 |
} else { |
01a5c5fa5681
8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents:
30628
diff
changeset
|
1612 |
Klass* klass = deps.context_type(); |
01a5c5fa5681
8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents:
30628
diff
changeset
|
1613 |
if (klass == NULL) { |
01a5c5fa5681
8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents:
30628
diff
changeset
|
1614 |
continue; // ignore things like evol_method |
01a5c5fa5681
8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents:
30628
diff
changeset
|
1615 |
} |
01a5c5fa5681
8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents:
30628
diff
changeset
|
1616 |
// During GC the is_alive closure is non-NULL, and is used to |
01a5c5fa5681
8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents:
30628
diff
changeset
|
1617 |
// determine liveness of dependees that need to be updated. |
01a5c5fa5681
8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents:
30628
diff
changeset
|
1618 |
if (is_alive == NULL || klass->is_loader_alive(is_alive)) { |
33576
6dbde58b08a6
8058563: InstanceKlass::_dependencies list isn't cleared from empty nmethodBucket entries
stefank
parents:
33198
diff
changeset
|
1619 |
// The GC defers deletion of this entry, since there might be multiple threads |
6dbde58b08a6
8058563: InstanceKlass::_dependencies list isn't cleared from empty nmethodBucket entries
stefank
parents:
33198
diff
changeset
|
1620 |
// iterating over the _dependencies graph. Other call paths are single-threaded |
6dbde58b08a6
8058563: InstanceKlass::_dependencies list isn't cleared from empty nmethodBucket entries
stefank
parents:
33198
diff
changeset
|
1621 |
// and may delete it immediately. |
6dbde58b08a6
8058563: InstanceKlass::_dependencies list isn't cleared from empty nmethodBucket entries
stefank
parents:
33198
diff
changeset
|
1622 |
bool delete_immediately = is_alive == NULL; |
6dbde58b08a6
8058563: InstanceKlass::_dependencies list isn't cleared from empty nmethodBucket entries
stefank
parents:
33198
diff
changeset
|
1623 |
InstanceKlass::cast(klass)->remove_dependent_nmethod(this, delete_immediately); |
31037
01a5c5fa5681
8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
vlivanov
parents:
30628
diff
changeset
|
1624 |
} |
1 | 1625 |
} |
1626 |
} |
|
1627 |
} |
|
1628 |
} |
|
1629 |
||
1630 |
||
1631 |
// If this oop is not live, the nmethod can be unloaded. |
|
13878
6e6a462a6cff
7200470: KeepAliveClosure not needed in CodeCache::do_unloading
brutisso
parents:
13728
diff
changeset
|
1632 |
bool nmethod::can_unload(BoolObjectClosure* is_alive, oop* root, bool unloading_occurred) { |
1 | 1633 |
assert(root != NULL, "just checking"); |
1634 |
oop obj = *root; |
|
1635 |
if (obj == NULL || is_alive->do_object_b(obj)) { |
|
1636 |
return false; |
|
1637 |
} |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1638 |
|
3908
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
1639 |
// If ScavengeRootsInCode is true, an nmethod might be unloaded |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
1640 |
// simply because one of its constant oops has gone dead. |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
1641 |
// No actual classes need to be unloaded in order for this to occur. |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
1642 |
assert(unloading_occurred || ScavengeRootsInCode, "Inconsistency in unloading"); |
1 | 1643 |
make_unloaded(is_alive, obj); |
1644 |
return true; |
|
1645 |
} |
|
1646 |
||
1647 |
// ------------------------------------------------------------------ |
|
1648 |
// post_compiled_method_load_event |
|
1649 |
// new method for install_code() path |
|
1650 |
// Transfer information from compilation to jvmti |
|
1651 |
void nmethod::post_compiled_method_load_event() { |
|
1652 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1653 |
Method* moop = method(); |
10739 | 1654 |
HOTSPOT_COMPILED_METHOD_LOAD( |
1655 |
(char *) moop->klass_name()->bytes(), |
|
1656 |
moop->klass_name()->utf8_length(), |
|
1657 |
(char *) moop->name()->bytes(), |
|
1658 |
moop->name()->utf8_length(), |
|
1659 |
(char *) moop->signature()->bytes(), |
|
1660 |
moop->signature()->utf8_length(), |
|
1661 |
insts_begin(), insts_size()); |
|
1 | 1662 |
|
5896
c60924a89622
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
5882
diff
changeset
|
1663 |
if (JvmtiExport::should_post_compiled_method_load() || |
c60924a89622
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
5882
diff
changeset
|
1664 |
JvmtiExport::should_post_compiled_method_unload()) { |
c60924a89622
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
5882
diff
changeset
|
1665 |
get_and_cache_jmethod_id(); |
c60924a89622
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
5882
diff
changeset
|
1666 |
} |
c60924a89622
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
5882
diff
changeset
|
1667 |
|
1 | 1668 |
if (JvmtiExport::should_post_compiled_method_load()) { |
8110
c992c8d52344
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
8076
diff
changeset
|
1669 |
// Let the Service thread (which is a real Java thread) post the event |
c992c8d52344
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
8076
diff
changeset
|
1670 |
MutexLockerEx ml(Service_lock, Mutex::_no_safepoint_check_flag); |
c992c8d52344
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
8076
diff
changeset
|
1671 |
JvmtiDeferredEventQueue::enqueue( |
c992c8d52344
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
8076
diff
changeset
|
1672 |
JvmtiDeferredEvent::compiled_method_load_event(this)); |
1 | 1673 |
} |
1674 |
} |
|
1675 |
||
5896
c60924a89622
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
5882
diff
changeset
|
1676 |
jmethodID nmethod::get_and_cache_jmethod_id() { |
c60924a89622
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
5882
diff
changeset
|
1677 |
if (_jmethod_id == NULL) { |
c60924a89622
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
5882
diff
changeset
|
1678 |
// Cache the jmethod_id since it can no longer be looked up once the |
c60924a89622
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
5882
diff
changeset
|
1679 |
// method itself has been marked for unloading. |
c60924a89622
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
5882
diff
changeset
|
1680 |
_jmethod_id = method()->jmethod_id(); |
c60924a89622
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
5882
diff
changeset
|
1681 |
} |
c60924a89622
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
5882
diff
changeset
|
1682 |
return _jmethod_id; |
c60924a89622
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
5882
diff
changeset
|
1683 |
} |
c60924a89622
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
5882
diff
changeset
|
1684 |
|
1 | 1685 |
void nmethod::post_compiled_method_unload() { |
5700
a78767273dc1
6956931: assert(SafepointSynchronize::is_at_safepoint()) failed: must be executed at a safepoint
never
parents:
5686
diff
changeset
|
1686 |
if (unload_reported()) { |
a78767273dc1
6956931: assert(SafepointSynchronize::is_at_safepoint()) failed: must be executed at a safepoint
never
parents:
5686
diff
changeset
|
1687 |
// During unloading we transition to unloaded and then to zombie |
a78767273dc1
6956931: assert(SafepointSynchronize::is_at_safepoint()) failed: must be executed at a safepoint
never
parents:
5686
diff
changeset
|
1688 |
// and the unloading is reported during the first transition. |
a78767273dc1
6956931: assert(SafepointSynchronize::is_at_safepoint()) failed: must be executed at a safepoint
never
parents:
5686
diff
changeset
|
1689 |
return; |
a78767273dc1
6956931: assert(SafepointSynchronize::is_at_safepoint()) failed: must be executed at a safepoint
never
parents:
5686
diff
changeset
|
1690 |
} |
a78767273dc1
6956931: assert(SafepointSynchronize::is_at_safepoint()) failed: must be executed at a safepoint
never
parents:
5686
diff
changeset
|
1691 |
|
1 | 1692 |
assert(_method != NULL && !is_unloaded(), "just checking"); |
1693 |
DTRACE_METHOD_UNLOAD_PROBE(method()); |
|
1694 |
||
1695 |
// If a JVMTI agent has enabled the CompiledMethodUnload event then |
|
5896
c60924a89622
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
5882
diff
changeset
|
1696 |
// post the event. Sometime later this nmethod will be made a zombie |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1697 |
// by the sweeper but the Method* will not be valid at that point. |
5896
c60924a89622
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
5882
diff
changeset
|
1698 |
// If the _jmethod_id is null then no load event was ever requested |
c60924a89622
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
5882
diff
changeset
|
1699 |
// so don't bother posting the unload. The main reason for this is |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1700 |
// that the jmethodID is a weak reference to the Method* so if |
5896
c60924a89622
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
5882
diff
changeset
|
1701 |
// it's being unloaded there's no way to look it up since the weak |
c60924a89622
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
5882
diff
changeset
|
1702 |
// ref will have been cleared. |
c60924a89622
6656830: assert((*p)->is_oop(),"expected an oop while scanning weak refs")
never
parents:
5882
diff
changeset
|
1703 |
if (_jmethod_id != NULL && JvmtiExport::should_post_compiled_method_unload()) { |
1 | 1704 |
assert(!unload_reported(), "already unloaded"); |
8110
c992c8d52344
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
8076
diff
changeset
|
1705 |
JvmtiDeferredEvent event = |
8661
3dc8a18ac563
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
8495
diff
changeset
|
1706 |
JvmtiDeferredEvent::compiled_method_unload_event(this, |
8110
c992c8d52344
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
8076
diff
changeset
|
1707 |
_jmethod_id, insts_begin()); |
c992c8d52344
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
8076
diff
changeset
|
1708 |
if (SafepointSynchronize::is_at_safepoint()) { |
c992c8d52344
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
8076
diff
changeset
|
1709 |
// Don't want to take the queueing lock. Add it as pending and |
c992c8d52344
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
8076
diff
changeset
|
1710 |
// it will get enqueued later. |
c992c8d52344
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
8076
diff
changeset
|
1711 |
JvmtiDeferredEventQueue::add_pending_event(event); |
c992c8d52344
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
8076
diff
changeset
|
1712 |
} else { |
c992c8d52344
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
8076
diff
changeset
|
1713 |
MutexLockerEx ml(Service_lock, Mutex::_no_safepoint_check_flag); |
c992c8d52344
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
8076
diff
changeset
|
1714 |
JvmtiDeferredEventQueue::enqueue(event); |
c992c8d52344
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
8076
diff
changeset
|
1715 |
} |
1 | 1716 |
} |
1717 |
||
1718 |
// The JVMTI CompiledMethodUnload event can be enabled or disabled at |
|
1719 |
// any time. As the nmethod is being unloaded now we mark it has |
|
1720 |
// having the unload event reported - this will ensure that we don't |
|
1721 |
// attempt to report the event in the unlikely scenario where the |
|
1722 |
// event is enabled at the time the nmethod is made a zombie. |
|
1723 |
set_unload_reported(); |
|
1724 |
} |
|
1725 |
||
29576
c223b0a9872e
8061205: MetadataOnStackMark only needs to walk code cache during class redefinition
coleenp
parents:
29083
diff
changeset
|
1726 |
void static clean_ic_if_metadata_is_dead(CompiledIC *ic, BoolObjectClosure *is_alive) { |
25492
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1727 |
if (ic->is_icholder_call()) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1728 |
// The only exception is compiledICHolder oops which may |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1729 |
// yet be marked below. (We check this further below). |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1730 |
CompiledICHolder* cichk_oop = ic->cached_icholder(); |
27247
99db666dbe8e
8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents:
26912
diff
changeset
|
1731 |
|
25492
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1732 |
if (cichk_oop->holder_method()->method_holder()->is_loader_alive(is_alive) && |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1733 |
cichk_oop->holder_klass()->is_loader_alive(is_alive)) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1734 |
return; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1735 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1736 |
} else { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1737 |
Metadata* ic_oop = ic->cached_metadata(); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1738 |
if (ic_oop != NULL) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1739 |
if (ic_oop->is_klass()) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1740 |
if (((Klass*)ic_oop)->is_loader_alive(is_alive)) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1741 |
return; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1742 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1743 |
} else if (ic_oop->is_method()) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1744 |
if (((Method*)ic_oop)->method_holder()->is_loader_alive(is_alive)) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1745 |
return; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1746 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1747 |
} else { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1748 |
ShouldNotReachHere(); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1749 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1750 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1751 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1752 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1753 |
ic->set_to_clean(); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1754 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1755 |
|
1 | 1756 |
// This is called at the end of the strong tracing/marking phase of a |
1757 |
// GC to unload an nmethod if it contains otherwise unreachable |
|
1758 |
// oops. |
|
1759 |
||
13878
6e6a462a6cff
7200470: KeepAliveClosure not needed in CodeCache::do_unloading
brutisso
parents:
13728
diff
changeset
|
1760 |
void nmethod::do_unloading(BoolObjectClosure* is_alive, bool unloading_occurred) { |
1 | 1761 |
// Make sure the oop's ready to receive visitors |
1762 |
assert(!is_zombie() && !is_unloaded(), |
|
1763 |
"should not call follow on zombie or unloaded nmethod"); |
|
1764 |
||
1765 |
// If the method is not entrant then a JMP is plastered over the |
|
1766 |
// first few bytes. If an oop in the old code was there, that oop |
|
1767 |
// should not get GC'd. Skip the first few bytes of oops on |
|
1768 |
// not-entrant methods. |
|
1769 |
address low_boundary = verified_entry_point(); |
|
1770 |
if (is_not_entrant()) { |
|
1771 |
low_boundary += NativeJump::instruction_size; |
|
1772 |
// %%% Note: On SPARC we patch only a 4-byte trap, not a full NativeJump. |
|
1773 |
// (See comment above.) |
|
1774 |
} |
|
1775 |
||
1776 |
// The RedefineClasses() API can cause the class unloading invariant |
|
1777 |
// to no longer be true. See jvmtiExport.hpp for details. |
|
1778 |
// Also, leave a debugging breadcrumb in local flag. |
|
29576
c223b0a9872e
8061205: MetadataOnStackMark only needs to walk code cache during class redefinition
coleenp
parents:
29083
diff
changeset
|
1779 |
if (JvmtiExport::has_redefined_a_class()) { |
1 | 1780 |
// This set of the unloading_occurred flag is done before the |
1781 |
// call to post_compiled_method_unload() so that the unloading |
|
1782 |
// of this nmethod is reported. |
|
1783 |
unloading_occurred = true; |
|
1784 |
} |
|
1785 |
||
1786 |
// Exception cache |
|
25357 | 1787 |
clean_exception_cache(is_alive); |
1 | 1788 |
|
1789 |
// If class unloading occurred we first iterate over all inline caches and |
|
1790 |
// clear ICs where the cached oop is referring to an unloaded klass or method. |
|
1791 |
// The remaining live cached oops will be traversed in the relocInfo::oop_type |
|
1792 |
// iteration below. |
|
1793 |
if (unloading_occurred) { |
|
1794 |
RelocIterator iter(this, low_boundary); |
|
1795 |
while(iter.next()) { |
|
1796 |
if (iter.type() == relocInfo::virtual_call_type) { |
|
25486
be44827be5e7
8047362: Add a version of CompiledIC_at that doesn't create a new RelocIterator
stefank
parents:
25357
diff
changeset
|
1797 |
CompiledIC *ic = CompiledIC_at(&iter); |
29576
c223b0a9872e
8061205: MetadataOnStackMark only needs to walk code cache during class redefinition
coleenp
parents:
29083
diff
changeset
|
1798 |
clean_ic_if_metadata_is_dead(ic, is_alive); |
1 | 1799 |
} |
1800 |
} |
|
1801 |
} |
|
1802 |
||
1803 |
// Compiled code |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1804 |
{ |
1 | 1805 |
RelocIterator iter(this, low_boundary); |
1806 |
while (iter.next()) { |
|
1807 |
if (iter.type() == relocInfo::oop_type) { |
|
1808 |
oop_Relocation* r = iter.oop_reloc(); |
|
1809 |
// In this loop, we must only traverse those oops directly embedded in |
|
1810 |
// the code. Other oops (oop_index>0) are seen as part of scopes_oops. |
|
1811 |
assert(1 == (r->oop_is_immediate()) + |
|
1812 |
(r->oop_addr() >= oops_begin() && r->oop_addr() < oops_end()), |
|
1813 |
"oop must be found in exactly one place"); |
|
1814 |
if (r->oop_is_immediate() && r->oop_value() != NULL) { |
|
13878
6e6a462a6cff
7200470: KeepAliveClosure not needed in CodeCache::do_unloading
brutisso
parents:
13728
diff
changeset
|
1815 |
if (can_unload(is_alive, r->oop_addr(), unloading_occurred)) { |
1 | 1816 |
return; |
1817 |
} |
|
1818 |
} |
|
1819 |
} |
|
1820 |
} |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1821 |
} |
1 | 1822 |
|
1823 |
||
1824 |
// Scopes |
|
1825 |
for (oop* p = oops_begin(); p < oops_end(); p++) { |
|
1826 |
if (*p == Universe::non_oop_word()) continue; // skip non-oops |
|
13878
6e6a462a6cff
7200470: KeepAliveClosure not needed in CodeCache::do_unloading
brutisso
parents:
13728
diff
changeset
|
1827 |
if (can_unload(is_alive, p, unloading_occurred)) { |
1 | 1828 |
return; |
1829 |
} |
|
1830 |
} |
|
1831 |
||
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1832 |
#if INCLUDE_JVMCI |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1833 |
// Follow JVMCI method |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1834 |
BarrierSet* bs = Universe::heap()->barrier_set(); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1835 |
if (_jvmci_installed_code != NULL) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1836 |
if (_jvmci_installed_code->is_a(HotSpotNmethod::klass()) && HotSpotNmethod::isDefault(_jvmci_installed_code)) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1837 |
if (!is_alive->do_object_b(_jvmci_installed_code)) { |
34167
52add43cc691
8142436: [JVMCI] fix management of nmethod::_installed_code field
never
parents:
34158
diff
changeset
|
1838 |
clear_jvmci_installed_code(); |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1839 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1840 |
} else { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1841 |
if (can_unload(is_alive, (oop*)&_jvmci_installed_code, unloading_occurred)) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1842 |
return; |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1843 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1844 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1845 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1846 |
|
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1847 |
if (_speculation_log != NULL) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1848 |
if (!is_alive->do_object_b(_speculation_log)) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1849 |
bs->write_ref_nmethod_pre(&_speculation_log, this); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1850 |
_speculation_log = NULL; |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1851 |
bs->write_ref_nmethod_post(&_speculation_log, this); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1852 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1853 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1854 |
#endif |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1855 |
|
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1856 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1857 |
// Ensure that all metadata is still alive |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1858 |
verify_metadata_loaders(low_boundary, is_alive); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1859 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1860 |
|
25492
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1861 |
template <class CompiledICorStaticCall> |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1862 |
static bool clean_if_nmethod_is_unloaded(CompiledICorStaticCall *ic, address addr, BoolObjectClosure *is_alive, nmethod* from) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1863 |
// Ok, to lookup references to zombies here |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1864 |
CodeBlob *cb = CodeCache::find_blob_unsafe(addr); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1865 |
if (cb != NULL && cb->is_nmethod()) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1866 |
nmethod* nm = (nmethod*)cb; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1867 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1868 |
if (nm->unloading_clock() != nmethod::global_unloading_clock()) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1869 |
// The nmethod has not been processed yet. |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1870 |
return true; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1871 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1872 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1873 |
// Clean inline caches pointing to both zombie and not_entrant methods |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1874 |
if (!nm->is_in_use() || (nm->method()->code() != nm)) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1875 |
ic->set_to_clean(); |
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
1876 |
assert(ic->is_clean(), "nmethod " PTR_FORMAT "not clean %s", p2i(from), from->method()->name_and_sig_as_C_string()); |
25492
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1877 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1878 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1879 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1880 |
return false; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1881 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1882 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1883 |
static bool clean_if_nmethod_is_unloaded(CompiledIC *ic, BoolObjectClosure *is_alive, nmethod* from) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1884 |
return clean_if_nmethod_is_unloaded(ic, ic->ic_destination(), is_alive, from); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1885 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1886 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1887 |
static bool clean_if_nmethod_is_unloaded(CompiledStaticCall *csc, BoolObjectClosure *is_alive, nmethod* from) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1888 |
return clean_if_nmethod_is_unloaded(csc, csc->destination(), is_alive, from); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1889 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1890 |
|
27247
99db666dbe8e
8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents:
26912
diff
changeset
|
1891 |
bool nmethod::unload_if_dead_at(RelocIterator* iter_at_oop, BoolObjectClosure *is_alive, bool unloading_occurred) { |
99db666dbe8e
8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents:
26912
diff
changeset
|
1892 |
assert(iter_at_oop->type() == relocInfo::oop_type, "Wrong relocation type"); |
99db666dbe8e
8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents:
26912
diff
changeset
|
1893 |
|
99db666dbe8e
8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents:
26912
diff
changeset
|
1894 |
oop_Relocation* r = iter_at_oop->oop_reloc(); |
99db666dbe8e
8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents:
26912
diff
changeset
|
1895 |
// Traverse those oops directly embedded in the code. |
99db666dbe8e
8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents:
26912
diff
changeset
|
1896 |
// Other oops (oop_index>0) are seen as part of scopes_oops. |
99db666dbe8e
8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents:
26912
diff
changeset
|
1897 |
assert(1 == (r->oop_is_immediate()) + |
99db666dbe8e
8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents:
26912
diff
changeset
|
1898 |
(r->oop_addr() >= oops_begin() && r->oop_addr() < oops_end()), |
99db666dbe8e
8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents:
26912
diff
changeset
|
1899 |
"oop must be found in exactly one place"); |
99db666dbe8e
8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents:
26912
diff
changeset
|
1900 |
if (r->oop_is_immediate() && r->oop_value() != NULL) { |
99db666dbe8e
8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents:
26912
diff
changeset
|
1901 |
// Unload this nmethod if the oop is dead. |
99db666dbe8e
8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents:
26912
diff
changeset
|
1902 |
if (can_unload(is_alive, r->oop_addr(), unloading_occurred)) { |
99db666dbe8e
8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents:
26912
diff
changeset
|
1903 |
return true;; |
99db666dbe8e
8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents:
26912
diff
changeset
|
1904 |
} |
99db666dbe8e
8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents:
26912
diff
changeset
|
1905 |
} |
99db666dbe8e
8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents:
26912
diff
changeset
|
1906 |
|
99db666dbe8e
8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents:
26912
diff
changeset
|
1907 |
return false; |
99db666dbe8e
8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents:
26912
diff
changeset
|
1908 |
} |
99db666dbe8e
8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents:
26912
diff
changeset
|
1909 |
|
99db666dbe8e
8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents:
26912
diff
changeset
|
1910 |
|
25492
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1911 |
bool nmethod::do_unloading_parallel(BoolObjectClosure* is_alive, bool unloading_occurred) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1912 |
ResourceMark rm; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1913 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1914 |
// Make sure the oop's ready to receive visitors |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1915 |
assert(!is_zombie() && !is_unloaded(), |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1916 |
"should not call follow on zombie or unloaded nmethod"); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1917 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1918 |
// If the method is not entrant then a JMP is plastered over the |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1919 |
// first few bytes. If an oop in the old code was there, that oop |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1920 |
// should not get GC'd. Skip the first few bytes of oops on |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1921 |
// not-entrant methods. |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1922 |
address low_boundary = verified_entry_point(); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1923 |
if (is_not_entrant()) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1924 |
low_boundary += NativeJump::instruction_size; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1925 |
// %%% Note: On SPARC we patch only a 4-byte trap, not a full NativeJump. |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1926 |
// (See comment above.) |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1927 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1928 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1929 |
// The RedefineClasses() API can cause the class unloading invariant |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1930 |
// to no longer be true. See jvmtiExport.hpp for details. |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1931 |
// Also, leave a debugging breadcrumb in local flag. |
29576
c223b0a9872e
8061205: MetadataOnStackMark only needs to walk code cache during class redefinition
coleenp
parents:
29083
diff
changeset
|
1932 |
if (JvmtiExport::has_redefined_a_class()) { |
25492
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1933 |
// This set of the unloading_occurred flag is done before the |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1934 |
// call to post_compiled_method_unload() so that the unloading |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1935 |
// of this nmethod is reported. |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1936 |
unloading_occurred = true; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1937 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1938 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1939 |
// Exception cache |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1940 |
clean_exception_cache(is_alive); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1941 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1942 |
bool is_unloaded = false; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1943 |
bool postponed = false; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1944 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1945 |
RelocIterator iter(this, low_boundary); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1946 |
while(iter.next()) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1947 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1948 |
switch (iter.type()) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1949 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1950 |
case relocInfo::virtual_call_type: |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1951 |
if (unloading_occurred) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1952 |
// If class unloading occurred we first iterate over all inline caches and |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1953 |
// clear ICs where the cached oop is referring to an unloaded klass or method. |
29576
c223b0a9872e
8061205: MetadataOnStackMark only needs to walk code cache during class redefinition
coleenp
parents:
29083
diff
changeset
|
1954 |
clean_ic_if_metadata_is_dead(CompiledIC_at(&iter), is_alive); |
25492
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1955 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1956 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1957 |
postponed |= clean_if_nmethod_is_unloaded(CompiledIC_at(&iter), is_alive, this); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1958 |
break; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1959 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1960 |
case relocInfo::opt_virtual_call_type: |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1961 |
postponed |= clean_if_nmethod_is_unloaded(CompiledIC_at(&iter), is_alive, this); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1962 |
break; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1963 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1964 |
case relocInfo::static_call_type: |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1965 |
postponed |= clean_if_nmethod_is_unloaded(compiledStaticCall_at(iter.reloc()), is_alive, this); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1966 |
break; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1967 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1968 |
case relocInfo::oop_type: |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1969 |
if (!is_unloaded) { |
27247
99db666dbe8e
8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents:
26912
diff
changeset
|
1970 |
is_unloaded = unload_if_dead_at(&iter, is_alive, unloading_occurred); |
25492
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1971 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1972 |
break; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1973 |
|
27247
99db666dbe8e
8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents:
26912
diff
changeset
|
1974 |
case relocInfo::metadata_type: |
29576
c223b0a9872e
8061205: MetadataOnStackMark only needs to walk code cache during class redefinition
coleenp
parents:
29083
diff
changeset
|
1975 |
break; // nothing to do. |
25492
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1976 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1977 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1978 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1979 |
if (is_unloaded) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1980 |
return postponed; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1981 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1982 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1983 |
// Scopes |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1984 |
for (oop* p = oops_begin(); p < oops_end(); p++) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1985 |
if (*p == Universe::non_oop_word()) continue; // skip non-oops |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1986 |
if (can_unload(is_alive, p, unloading_occurred)) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1987 |
is_unloaded = true; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1988 |
break; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1989 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1990 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1991 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1992 |
if (is_unloaded) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1993 |
return postponed; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1994 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
1995 |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1996 |
#if INCLUDE_JVMCI |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1997 |
// Follow JVMCI method |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1998 |
BarrierSet* bs = Universe::heap()->barrier_set(); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1999 |
if (_jvmci_installed_code != NULL) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2000 |
if (_jvmci_installed_code->is_a(HotSpotNmethod::klass()) && HotSpotNmethod::isDefault(_jvmci_installed_code)) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2001 |
if (!is_alive->do_object_b(_jvmci_installed_code)) { |
34167
52add43cc691
8142436: [JVMCI] fix management of nmethod::_installed_code field
never
parents:
34158
diff
changeset
|
2002 |
clear_jvmci_installed_code(); |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2003 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2004 |
} else { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2005 |
if (can_unload(is_alive, (oop*)&_jvmci_installed_code, unloading_occurred)) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2006 |
is_unloaded = true; |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2007 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2008 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2009 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2010 |
|
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2011 |
if (_speculation_log != NULL) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2012 |
if (!is_alive->do_object_b(_speculation_log)) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2013 |
bs->write_ref_nmethod_pre(&_speculation_log, this); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2014 |
_speculation_log = NULL; |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2015 |
bs->write_ref_nmethod_post(&_speculation_log, this); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2016 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2017 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2018 |
#endif |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2019 |
|
25492
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2020 |
// Ensure that all metadata is still alive |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2021 |
verify_metadata_loaders(low_boundary, is_alive); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2022 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2023 |
return postponed; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2024 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2025 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2026 |
void nmethod::do_unloading_parallel_postponed(BoolObjectClosure* is_alive, bool unloading_occurred) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2027 |
ResourceMark rm; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2028 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2029 |
// Make sure the oop's ready to receive visitors |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2030 |
assert(!is_zombie(), |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2031 |
"should not call follow on zombie nmethod"); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2032 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2033 |
// If the method is not entrant then a JMP is plastered over the |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2034 |
// first few bytes. If an oop in the old code was there, that oop |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2035 |
// should not get GC'd. Skip the first few bytes of oops on |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2036 |
// not-entrant methods. |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2037 |
address low_boundary = verified_entry_point(); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2038 |
if (is_not_entrant()) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2039 |
low_boundary += NativeJump::instruction_size; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2040 |
// %%% Note: On SPARC we patch only a 4-byte trap, not a full NativeJump. |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2041 |
// (See comment above.) |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2042 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2043 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2044 |
RelocIterator iter(this, low_boundary); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2045 |
while(iter.next()) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2046 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2047 |
switch (iter.type()) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2048 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2049 |
case relocInfo::virtual_call_type: |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2050 |
clean_if_nmethod_is_unloaded(CompiledIC_at(&iter), is_alive, this); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2051 |
break; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2052 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2053 |
case relocInfo::opt_virtual_call_type: |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2054 |
clean_if_nmethod_is_unloaded(CompiledIC_at(&iter), is_alive, this); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2055 |
break; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2056 |
|
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2057 |
case relocInfo::static_call_type: |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2058 |
clean_if_nmethod_is_unloaded(compiledStaticCall_at(iter.reloc()), is_alive, this); |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2059 |
break; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2060 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2061 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2062 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2063 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2064 |
#ifdef ASSERT |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2065 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2066 |
class CheckClass : AllStatic { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2067 |
static BoolObjectClosure* _is_alive; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2068 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2069 |
// Check class_loader is alive for this bit of metadata. |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2070 |
static void check_class(Metadata* md) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2071 |
Klass* klass = NULL; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2072 |
if (md->is_klass()) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2073 |
klass = ((Klass*)md); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2074 |
} else if (md->is_method()) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2075 |
klass = ((Method*)md)->method_holder(); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2076 |
} else if (md->is_methodData()) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2077 |
klass = ((MethodData*)md)->method()->method_holder(); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2078 |
} else { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2079 |
md->print(); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2080 |
ShouldNotReachHere(); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2081 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2082 |
assert(klass->is_loader_alive(_is_alive), "must be alive"); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2083 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2084 |
public: |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2085 |
static void do_check_class(BoolObjectClosure* is_alive, nmethod* nm) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2086 |
assert(SafepointSynchronize::is_at_safepoint(), "this is only ok at safepoint"); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2087 |
_is_alive = is_alive; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2088 |
nm->metadata_do(check_class); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2089 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2090 |
}; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2091 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2092 |
// This is called during a safepoint so can use static data |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2093 |
BoolObjectClosure* CheckClass::_is_alive = NULL; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2094 |
#endif // ASSERT |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2095 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2096 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2097 |
// Processing of oop references should have been sufficient to keep |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2098 |
// all strong references alive. Any weak references should have been |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2099 |
// cleared as well. Visit all the metadata and ensure that it's |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2100 |
// really alive. |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2101 |
void nmethod::verify_metadata_loaders(address low_boundary, BoolObjectClosure* is_alive) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2102 |
#ifdef ASSERT |
1 | 2103 |
RelocIterator iter(this, low_boundary); |
2104 |
while (iter.next()) { |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2105 |
// static_stub_Relocations may have dangling references to |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2106 |
// Method*s so trim them out here. Otherwise it looks like |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2107 |
// compiled code is maintaining a link to dead metadata. |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2108 |
address static_call_addr = NULL; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2109 |
if (iter.type() == relocInfo::opt_virtual_call_type) { |
25486
be44827be5e7
8047362: Add a version of CompiledIC_at that doesn't create a new RelocIterator
stefank
parents:
25357
diff
changeset
|
2110 |
CompiledIC* cic = CompiledIC_at(&iter); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2111 |
if (!cic->is_call_to_interpreted()) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2112 |
static_call_addr = iter.addr(); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2113 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2114 |
} else if (iter.type() == relocInfo::static_call_type) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2115 |
CompiledStaticCall* csc = compiledStaticCall_at(iter.reloc()); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2116 |
if (!csc->is_call_to_interpreted()) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2117 |
static_call_addr = iter.addr(); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2118 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2119 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2120 |
if (static_call_addr != NULL) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2121 |
RelocIterator sciter(this, low_boundary); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2122 |
while (sciter.next()) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2123 |
if (sciter.type() == relocInfo::static_stub_type && |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2124 |
sciter.static_stub_reloc()->static_call() == static_call_addr) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2125 |
sciter.static_stub_reloc()->clear_inline_cache(); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2126 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2127 |
} |
1 | 2128 |
} |
2129 |
} |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2130 |
// Check that the metadata embedded in the nmethod is alive |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2131 |
CheckClass::do_check_class(is_alive, this); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2132 |
#endif |
1 | 2133 |
} |
2134 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2135 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2136 |
// Iterate over metadata calling this function. Used by RedefineClasses |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2137 |
void nmethod::metadata_do(void f(Metadata*)) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2138 |
address low_boundary = verified_entry_point(); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2139 |
if (is_not_entrant()) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2140 |
low_boundary += NativeJump::instruction_size; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2141 |
// %%% Note: On SPARC we patch only a 4-byte trap, not a full NativeJump. |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2142 |
// (See comment above.) |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2143 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2144 |
{ |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2145 |
// Visit all immediate references that are embedded in the instruction stream. |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2146 |
RelocIterator iter(this, low_boundary); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2147 |
while (iter.next()) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2148 |
if (iter.type() == relocInfo::metadata_type ) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2149 |
metadata_Relocation* r = iter.metadata_reloc(); |
27247
99db666dbe8e
8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents:
26912
diff
changeset
|
2150 |
// In this metadata, we must only follow those metadatas directly embedded in |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2151 |
// the code. Other metadatas (oop_index>0) are seen as part of |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2152 |
// the metadata section below. |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2153 |
assert(1 == (r->metadata_is_immediate()) + |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2154 |
(r->metadata_addr() >= metadata_begin() && r->metadata_addr() < metadata_end()), |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2155 |
"metadata must be found in exactly one place"); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2156 |
if (r->metadata_is_immediate() && r->metadata_value() != NULL) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2157 |
Metadata* md = r->metadata_value(); |
26558
b7df27df6384
8055008: Clean up code that saves the previous versions of redefined classes
coleenp
parents:
25492
diff
changeset
|
2158 |
if (md != _method) f(md); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2159 |
} |
17358
c976a07a0dd5
8014024: NPG: keep compiled ic methods from being deallocated in redefine classes
coleenp
parents:
17016
diff
changeset
|
2160 |
} else if (iter.type() == relocInfo::virtual_call_type) { |
c976a07a0dd5
8014024: NPG: keep compiled ic methods from being deallocated in redefine classes
coleenp
parents:
17016
diff
changeset
|
2161 |
// Check compiledIC holders associated with this nmethod |
25486
be44827be5e7
8047362: Add a version of CompiledIC_at that doesn't create a new RelocIterator
stefank
parents:
25357
diff
changeset
|
2162 |
CompiledIC *ic = CompiledIC_at(&iter); |
17358
c976a07a0dd5
8014024: NPG: keep compiled ic methods from being deallocated in redefine classes
coleenp
parents:
17016
diff
changeset
|
2163 |
if (ic->is_icholder_call()) { |
c976a07a0dd5
8014024: NPG: keep compiled ic methods from being deallocated in redefine classes
coleenp
parents:
17016
diff
changeset
|
2164 |
CompiledICHolder* cichk = ic->cached_icholder(); |
c976a07a0dd5
8014024: NPG: keep compiled ic methods from being deallocated in redefine classes
coleenp
parents:
17016
diff
changeset
|
2165 |
f(cichk->holder_method()); |
c976a07a0dd5
8014024: NPG: keep compiled ic methods from being deallocated in redefine classes
coleenp
parents:
17016
diff
changeset
|
2166 |
f(cichk->holder_klass()); |
c976a07a0dd5
8014024: NPG: keep compiled ic methods from being deallocated in redefine classes
coleenp
parents:
17016
diff
changeset
|
2167 |
} else { |
c976a07a0dd5
8014024: NPG: keep compiled ic methods from being deallocated in redefine classes
coleenp
parents:
17016
diff
changeset
|
2168 |
Metadata* ic_oop = ic->cached_metadata(); |
c976a07a0dd5
8014024: NPG: keep compiled ic methods from being deallocated in redefine classes
coleenp
parents:
17016
diff
changeset
|
2169 |
if (ic_oop != NULL) { |
c976a07a0dd5
8014024: NPG: keep compiled ic methods from being deallocated in redefine classes
coleenp
parents:
17016
diff
changeset
|
2170 |
f(ic_oop); |
c976a07a0dd5
8014024: NPG: keep compiled ic methods from being deallocated in redefine classes
coleenp
parents:
17016
diff
changeset
|
2171 |
} |
c976a07a0dd5
8014024: NPG: keep compiled ic methods from being deallocated in redefine classes
coleenp
parents:
17016
diff
changeset
|
2172 |
} |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2173 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2174 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2175 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2176 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2177 |
// Visit the metadata section |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2178 |
for (Metadata** p = metadata_begin(); p < metadata_end(); p++) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2179 |
if (*p == Universe::non_oop_word() || *p == NULL) continue; // skip non-oops |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2180 |
Metadata* md = *p; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2181 |
f(md); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2182 |
} |
26563
d6561f9d04f2
8057570: RedefineClasses() tests fail assert(((Metadata*)obj)->is_valid()) failed: obj is valid
coleenp
parents:
26558
diff
changeset
|
2183 |
|
27247
99db666dbe8e
8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents:
26912
diff
changeset
|
2184 |
// Visit metadata not embedded in the other places. |
26563
d6561f9d04f2
8057570: RedefineClasses() tests fail assert(((Metadata*)obj)->is_valid()) failed: obj is valid
coleenp
parents:
26558
diff
changeset
|
2185 |
if (_method != NULL) f(_method); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2186 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2187 |
|
19339 | 2188 |
void nmethod::oops_do(OopClosure* f, bool allow_zombie) { |
1 | 2189 |
// make sure the oops ready to receive visitors |
19339 | 2190 |
assert(allow_zombie || !is_zombie(), "should not call follow on zombie nmethod"); |
2191 |
assert(!is_unloaded(), "should not call follow on unloaded nmethod"); |
|
1 | 2192 |
|
2193 |
// If the method is not entrant or zombie then a JMP is plastered over the |
|
2194 |
// first few bytes. If an oop in the old code was there, that oop |
|
2195 |
// should not get GC'd. Skip the first few bytes of oops on |
|
2196 |
// not-entrant methods. |
|
2197 |
address low_boundary = verified_entry_point(); |
|
2198 |
if (is_not_entrant()) { |
|
2199 |
low_boundary += NativeJump::instruction_size; |
|
2200 |
// %%% Note: On SPARC we patch only a 4-byte trap, not a full NativeJump. |
|
2201 |
// (See comment above.) |
|
2202 |
} |
|
2203 |
||
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2204 |
#if INCLUDE_JVMCI |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2205 |
if (_jvmci_installed_code != NULL) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2206 |
f->do_oop((oop*) &_jvmci_installed_code); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2207 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2208 |
if (_speculation_log != NULL) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2209 |
f->do_oop((oop*) &_speculation_log); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2210 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2211 |
#endif |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2212 |
|
1 | 2213 |
RelocIterator iter(this, low_boundary); |
3696 | 2214 |
|
1 | 2215 |
while (iter.next()) { |
2216 |
if (iter.type() == relocInfo::oop_type ) { |
|
2217 |
oop_Relocation* r = iter.oop_reloc(); |
|
2218 |
// In this loop, we must only follow those oops directly embedded in |
|
2219 |
// the code. Other oops (oop_index>0) are seen as part of scopes_oops. |
|
3696 | 2220 |
assert(1 == (r->oop_is_immediate()) + |
2221 |
(r->oop_addr() >= oops_begin() && r->oop_addr() < oops_end()), |
|
2222 |
"oop must be found in exactly one place"); |
|
1 | 2223 |
if (r->oop_is_immediate() && r->oop_value() != NULL) { |
2224 |
f->do_oop(r->oop_addr()); |
|
2225 |
} |
|
2226 |
} |
|
2227 |
} |
|
2228 |
||
2229 |
// Scopes |
|
3908
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2230 |
// This includes oop constants not inlined in the code stream. |
1 | 2231 |
for (oop* p = oops_begin(); p < oops_end(); p++) { |
2232 |
if (*p == Universe::non_oop_word()) continue; // skip non-oops |
|
2233 |
f->do_oop(p); |
|
2234 |
} |
|
2235 |
} |
|
2236 |
||
3908
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2237 |
#define NMETHOD_SENTINEL ((nmethod*)badAddress) |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2238 |
|
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2239 |
nmethod* volatile nmethod::_oops_do_mark_nmethods; |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2240 |
|
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2241 |
// An nmethod is "marked" if its _mark_link is set non-null. |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2242 |
// Even if it is the end of the linked list, it will have a non-null link value, |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2243 |
// as long as it is on the list. |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2244 |
// This code must be MP safe, because it is used from parallel GC passes. |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2245 |
bool nmethod::test_set_oops_do_mark() { |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2246 |
assert(nmethod::oops_do_marking_is_active(), "oops_do_marking_prologue must be called"); |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2247 |
nmethod* observed_mark_link = _oops_do_mark_link; |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2248 |
if (observed_mark_link == NULL) { |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2249 |
// Claim this nmethod for this thread to mark. |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2250 |
observed_mark_link = (nmethod*) |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2251 |
Atomic::cmpxchg_ptr(NMETHOD_SENTINEL, &_oops_do_mark_link, NULL); |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2252 |
if (observed_mark_link == NULL) { |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2253 |
|
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2254 |
// Atomically append this nmethod (now claimed) to the head of the list: |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2255 |
nmethod* observed_mark_nmethods = _oops_do_mark_nmethods; |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2256 |
for (;;) { |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2257 |
nmethod* required_mark_nmethods = observed_mark_nmethods; |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2258 |
_oops_do_mark_link = required_mark_nmethods; |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2259 |
observed_mark_nmethods = (nmethod*) |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2260 |
Atomic::cmpxchg_ptr(this, &_oops_do_mark_nmethods, required_mark_nmethods); |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2261 |
if (observed_mark_nmethods == required_mark_nmethods) |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2262 |
break; |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2263 |
} |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2264 |
// Mark was clear when we first saw this guy. |
34174
4db2fb26dc49
8140424: don't prefix developer and notproduct flag variables with CONST_ in product builds
twisti
parents:
34167
diff
changeset
|
2265 |
if (TraceScavenge) { print_on(tty, "oops_do, mark"); } |
3908
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2266 |
return false; |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2267 |
} |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2268 |
} |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2269 |
// On fall through, another racing thread marked this nmethod before we did. |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2270 |
return true; |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2271 |
} |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2272 |
|
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2273 |
void nmethod::oops_do_marking_prologue() { |
34174
4db2fb26dc49
8140424: don't prefix developer and notproduct flag variables with CONST_ in product builds
twisti
parents:
34167
diff
changeset
|
2274 |
if (TraceScavenge) { tty->print_cr("[oops_do_marking_prologue"); } |
3908
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2275 |
assert(_oops_do_mark_nmethods == NULL, "must not call oops_do_marking_prologue twice in a row"); |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2276 |
// We use cmpxchg_ptr instead of regular assignment here because the user |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2277 |
// may fork a bunch of threads, and we need them all to see the same state. |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2278 |
void* observed = Atomic::cmpxchg_ptr(NMETHOD_SENTINEL, &_oops_do_mark_nmethods, NULL); |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2279 |
guarantee(observed == NULL, "no races in this sequential code"); |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2280 |
} |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2281 |
|
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2282 |
void nmethod::oops_do_marking_epilogue() { |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2283 |
assert(_oops_do_mark_nmethods != NULL, "must not call oops_do_marking_epilogue twice in a row"); |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2284 |
nmethod* cur = _oops_do_mark_nmethods; |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2285 |
while (cur != NMETHOD_SENTINEL) { |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2286 |
assert(cur != NULL, "not NULL-terminated"); |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2287 |
nmethod* next = cur->_oops_do_mark_link; |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2288 |
cur->_oops_do_mark_link = NULL; |
33807
9f8b0f8a3f29
8140584: nmethod::oops_do_marking_epilogue always runs verification code
stefank
parents:
33759
diff
changeset
|
2289 |
DEBUG_ONLY(cur->verify_oop_relocations()); |
8872
36680c58660e
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
8725
diff
changeset
|
2290 |
NOT_PRODUCT(if (TraceScavenge) cur->print_on(tty, "oops_do, unmark")); |
3908
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2291 |
cur = next; |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2292 |
} |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2293 |
void* required = _oops_do_mark_nmethods; |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2294 |
void* observed = Atomic::cmpxchg_ptr(NULL, &_oops_do_mark_nmethods, required); |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2295 |
guarantee(observed == required, "no races in this sequential code"); |
34174
4db2fb26dc49
8140424: don't prefix developer and notproduct flag variables with CONST_ in product builds
twisti
parents:
34167
diff
changeset
|
2296 |
if (TraceScavenge) { tty->print_cr("oops_do_marking_epilogue]"); } |
3908
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2297 |
} |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2298 |
|
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2299 |
class DetectScavengeRoot: public OopClosure { |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2300 |
bool _detected_scavenge_root; |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2301 |
public: |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2302 |
DetectScavengeRoot() : _detected_scavenge_root(false) |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2303 |
{ NOT_PRODUCT(_print_nm = NULL); } |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2304 |
bool detected_scavenge_root() { return _detected_scavenge_root; } |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2305 |
virtual void do_oop(oop* p) { |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2306 |
if ((*p) != NULL && (*p)->is_scavengable()) { |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2307 |
NOT_PRODUCT(maybe_print(p)); |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2308 |
_detected_scavenge_root = true; |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2309 |
} |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2310 |
} |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2311 |
virtual void do_oop(narrowOop* p) { ShouldNotReachHere(); } |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2312 |
|
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2313 |
#ifndef PRODUCT |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2314 |
nmethod* _print_nm; |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2315 |
void maybe_print(oop* p) { |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2316 |
if (_print_nm == NULL) return; |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2317 |
if (!_detected_scavenge_root) _print_nm->print_on(tty, "new scavenge root"); |
31592
43f48e165466
8081202: Hotspot compile warning: "Invalid suffix on literal; C++11 requires a space between literal and identifier"
bpittore
parents:
31348
diff
changeset
|
2318 |
tty->print_cr("" PTR_FORMAT "[offset=%d] detected scavengable oop " PTR_FORMAT " (found at " PTR_FORMAT ")", |
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2319 |
p2i(_print_nm), (int)((intptr_t)p - (intptr_t)_print_nm), |
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2320 |
p2i(*p), p2i(p)); |
3908
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2321 |
(*p)->print(); |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2322 |
} |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2323 |
#endif //PRODUCT |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2324 |
}; |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2325 |
|
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2326 |
bool nmethod::detect_scavenge_root_oops() { |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2327 |
DetectScavengeRoot detect_scavenge_root; |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2328 |
NOT_PRODUCT(if (TraceScavenge) detect_scavenge_root._print_nm = this); |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2329 |
oops_do(&detect_scavenge_root); |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2330 |
return detect_scavenge_root.detected_scavenge_root(); |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2331 |
} |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2332 |
|
1 | 2333 |
// Method that knows how to preserve outgoing arguments at call. This method must be |
2334 |
// called with a frame corresponding to a Java invoke |
|
2335 |
void nmethod::preserve_callee_argument_oops(frame fr, const RegisterMap *reg_map, OopClosure* f) { |
|
6187 | 2336 |
#ifndef SHARK |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2337 |
if (method() != NULL && !method()->is_native()) { |
35108
ccb4e1f2a6cf
8145137: Incorrect call signature can be used in nmethod::preserve_callee_argument_oops
vlivanov
parents:
35092
diff
changeset
|
2338 |
address pc = fr.pc(); |
ccb4e1f2a6cf
8145137: Incorrect call signature can be used in nmethod::preserve_callee_argument_oops
vlivanov
parents:
35092
diff
changeset
|
2339 |
SimpleScopeDesc ssd(this, pc); |
7913 | 2340 |
Bytecode_invoke call(ssd.method(), ssd.bci()); |
17872 | 2341 |
bool has_receiver = call.has_receiver(); |
2342 |
bool has_appendix = call.has_appendix(); |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7913
diff
changeset
|
2343 |
Symbol* signature = call.signature(); |
35108
ccb4e1f2a6cf
8145137: Incorrect call signature can be used in nmethod::preserve_callee_argument_oops
vlivanov
parents:
35092
diff
changeset
|
2344 |
|
ccb4e1f2a6cf
8145137: Incorrect call signature can be used in nmethod::preserve_callee_argument_oops
vlivanov
parents:
35092
diff
changeset
|
2345 |
// The method attached by JIT-compilers should be used, if present. |
ccb4e1f2a6cf
8145137: Incorrect call signature can be used in nmethod::preserve_callee_argument_oops
vlivanov
parents:
35092
diff
changeset
|
2346 |
// Bytecode can be inaccurate in such case. |
ccb4e1f2a6cf
8145137: Incorrect call signature can be used in nmethod::preserve_callee_argument_oops
vlivanov
parents:
35092
diff
changeset
|
2347 |
Method* callee = attached_method_before_pc(pc); |
ccb4e1f2a6cf
8145137: Incorrect call signature can be used in nmethod::preserve_callee_argument_oops
vlivanov
parents:
35092
diff
changeset
|
2348 |
if (callee != NULL) { |
ccb4e1f2a6cf
8145137: Incorrect call signature can be used in nmethod::preserve_callee_argument_oops
vlivanov
parents:
35092
diff
changeset
|
2349 |
has_receiver = !(callee->access_flags().is_static()); |
ccb4e1f2a6cf
8145137: Incorrect call signature can be used in nmethod::preserve_callee_argument_oops
vlivanov
parents:
35092
diff
changeset
|
2350 |
has_appendix = false; |
ccb4e1f2a6cf
8145137: Incorrect call signature can be used in nmethod::preserve_callee_argument_oops
vlivanov
parents:
35092
diff
changeset
|
2351 |
signature = callee->signature(); |
ccb4e1f2a6cf
8145137: Incorrect call signature can be used in nmethod::preserve_callee_argument_oops
vlivanov
parents:
35092
diff
changeset
|
2352 |
} |
ccb4e1f2a6cf
8145137: Incorrect call signature can be used in nmethod::preserve_callee_argument_oops
vlivanov
parents:
35092
diff
changeset
|
2353 |
|
17872 | 2354 |
fr.oops_compiled_arguments_do(signature, has_receiver, has_appendix, reg_map, f); |
1 | 2355 |
} |
6187 | 2356 |
#endif // !SHARK |
1 | 2357 |
} |
2358 |
||
2359 |
inline bool includes(void* p, void* from, void* to) { |
|
2360 |
return from <= p && p < to; |
|
2361 |
} |
|
2362 |
||
2363 |
||
2364 |
void nmethod::copy_scopes_pcs(PcDesc* pcs, int count) { |
|
2365 |
assert(count >= 2, "must be sentinel values, at least"); |
|
2366 |
||
2367 |
#ifdef ASSERT |
|
2368 |
// must be sorted and unique; we do a binary search in find_pc_desc() |
|
2369 |
int prev_offset = pcs[0].pc_offset(); |
|
2370 |
assert(prev_offset == PcDesc::lower_offset_limit, |
|
2371 |
"must start with a sentinel"); |
|
2372 |
for (int i = 1; i < count; i++) { |
|
2373 |
int this_offset = pcs[i].pc_offset(); |
|
2374 |
assert(this_offset > prev_offset, "offsets must be sorted"); |
|
2375 |
prev_offset = this_offset; |
|
2376 |
} |
|
2377 |
assert(prev_offset == PcDesc::upper_offset_limit, |
|
2378 |
"must end with a sentinel"); |
|
2379 |
#endif //ASSERT |
|
2380 |
||
4564
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4479
diff
changeset
|
2381 |
// Search for MethodHandle invokes and tag the nmethod. |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4479
diff
changeset
|
2382 |
for (int i = 0; i < count; i++) { |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4479
diff
changeset
|
2383 |
if (pcs[i].is_method_handle_invoke()) { |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4479
diff
changeset
|
2384 |
set_has_method_handle_invokes(true); |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4479
diff
changeset
|
2385 |
break; |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4479
diff
changeset
|
2386 |
} |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4479
diff
changeset
|
2387 |
} |
7707
b4ff9fc6d954
6990933: assert(sender_cb) failed: sanity in frame::sender_for_interpreter_frame
twisti
parents:
7397
diff
changeset
|
2388 |
assert(has_method_handle_invokes() == (_deoptimize_mh_offset != -1), "must have deopt mh handler"); |
4564
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4479
diff
changeset
|
2389 |
|
1 | 2390 |
int size = count * sizeof(PcDesc); |
2391 |
assert(scopes_pcs_size() >= size, "oob"); |
|
2392 |
memcpy(scopes_pcs_begin(), pcs, size); |
|
2393 |
||
2394 |
// Adjust the final sentinel downward. |
|
2395 |
PcDesc* last_pc = &scopes_pcs_begin()[count-1]; |
|
2396 |
assert(last_pc->pc_offset() == PcDesc::upper_offset_limit, "sanity"); |
|
6418 | 2397 |
last_pc->set_pc_offset(content_size() + 1); |
1 | 2398 |
for (; last_pc + 1 < scopes_pcs_end(); last_pc += 1) { |
2399 |
// Fill any rounding gaps with copies of the last record. |
|
2400 |
last_pc[1] = last_pc[0]; |
|
2401 |
} |
|
2402 |
// The following assert could fail if sizeof(PcDesc) is not |
|
2403 |
// an integral multiple of oopSize (the rounding term). |
|
2404 |
// If it fails, change the logic to always allocate a multiple |
|
2405 |
// of sizeof(PcDesc), and fill unused words with copies of *last_pc. |
|
2406 |
assert(last_pc + 1 == scopes_pcs_end(), "must match exactly"); |
|
2407 |
} |
|
2408 |
||
2409 |
void nmethod::copy_scopes_data(u_char* buffer, int size) { |
|
2410 |
assert(scopes_data_size() >= size, "oob"); |
|
2411 |
memcpy(scopes_data_begin(), buffer, size); |
|
2412 |
} |
|
2413 |
||
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2414 |
// When using JVMCI the address might be off by the size of a call instruction. |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2415 |
bool nmethod::is_deopt_entry(address pc) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2416 |
return pc == deopt_handler_begin() |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2417 |
#if INCLUDE_JVMCI |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2418 |
|| pc == (deopt_handler_begin() + NativeCall::instruction_size) |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2419 |
#endif |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2420 |
; |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2421 |
} |
1 | 2422 |
|
2423 |
#ifdef ASSERT |
|
2424 |
static PcDesc* linear_search(nmethod* nm, int pc_offset, bool approximate) { |
|
2425 |
PcDesc* lower = nm->scopes_pcs_begin(); |
|
2426 |
PcDesc* upper = nm->scopes_pcs_end(); |
|
2427 |
lower += 1; // exclude initial sentinel |
|
2428 |
PcDesc* res = NULL; |
|
2429 |
for (PcDesc* p = lower; p < upper; p++) { |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2430 |
NOT_PRODUCT(--pc_nmethod_stats.pc_desc_tests); // don't count this call to match_desc |
1 | 2431 |
if (match_desc(p, pc_offset, approximate)) { |
2432 |
if (res == NULL) |
|
2433 |
res = p; |
|
2434 |
else |
|
2435 |
res = (PcDesc*) badAddress; |
|
2436 |
} |
|
2437 |
} |
|
2438 |
return res; |
|
2439 |
} |
|
2440 |
#endif |
|
2441 |
||
2442 |
||
2443 |
// Finds a PcDesc with real-pc equal to "pc" |
|
2444 |
PcDesc* nmethod::find_pc_desc_internal(address pc, bool approximate) { |
|
6418 | 2445 |
address base_address = code_begin(); |
1 | 2446 |
if ((pc < base_address) || |
2447 |
(pc - base_address) >= (ptrdiff_t) PcDesc::upper_offset_limit) { |
|
2448 |
return NULL; // PC is wildly out of range |
|
2449 |
} |
|
2450 |
int pc_offset = (int) (pc - base_address); |
|
2451 |
||
2452 |
// Check the PcDesc cache if it contains the desired PcDesc |
|
2453 |
// (This as an almost 100% hit rate.) |
|
2454 |
PcDesc* res = _pc_desc_cache.find_pc_desc(pc_offset, approximate); |
|
2455 |
if (res != NULL) { |
|
2456 |
assert(res == linear_search(this, pc_offset, approximate), "cache ok"); |
|
2457 |
return res; |
|
2458 |
} |
|
2459 |
||
2460 |
// Fallback algorithm: quasi-linear search for the PcDesc |
|
2461 |
// Find the last pc_offset less than the given offset. |
|
2462 |
// The successor must be the required match, if there is a match at all. |
|
2463 |
// (Use a fixed radix to avoid expensive affine pointer arithmetic.) |
|
2464 |
PcDesc* lower = scopes_pcs_begin(); |
|
2465 |
PcDesc* upper = scopes_pcs_end(); |
|
2466 |
upper -= 1; // exclude final sentinel |
|
2467 |
if (lower >= upper) return NULL; // native method; no PcDescs at all |
|
2468 |
||
2469 |
#define assert_LU_OK \ |
|
2470 |
/* invariant on lower..upper during the following search: */ \ |
|
2471 |
assert(lower->pc_offset() < pc_offset, "sanity"); \ |
|
2472 |
assert(upper->pc_offset() >= pc_offset, "sanity") |
|
2473 |
assert_LU_OK; |
|
2474 |
||
2475 |
// Use the last successful return as a split point. |
|
2476 |
PcDesc* mid = _pc_desc_cache.last_pc_desc(); |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2477 |
NOT_PRODUCT(++pc_nmethod_stats.pc_desc_searches); |
1 | 2478 |
if (mid->pc_offset() < pc_offset) { |
2479 |
lower = mid; |
|
2480 |
} else { |
|
2481 |
upper = mid; |
|
2482 |
} |
|
2483 |
||
2484 |
// Take giant steps at first (4096, then 256, then 16, then 1) |
|
2485 |
const int LOG2_RADIX = 4 /*smaller steps in debug mode:*/ debug_only(-1); |
|
2486 |
const int RADIX = (1 << LOG2_RADIX); |
|
2487 |
for (int step = (1 << (LOG2_RADIX*3)); step > 1; step >>= LOG2_RADIX) { |
|
2488 |
while ((mid = lower + step) < upper) { |
|
2489 |
assert_LU_OK; |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2490 |
NOT_PRODUCT(++pc_nmethod_stats.pc_desc_searches); |
1 | 2491 |
if (mid->pc_offset() < pc_offset) { |
2492 |
lower = mid; |
|
2493 |
} else { |
|
2494 |
upper = mid; |
|
2495 |
break; |
|
2496 |
} |
|
2497 |
} |
|
2498 |
assert_LU_OK; |
|
2499 |
} |
|
2500 |
||
2501 |
// Sneak up on the value with a linear search of length ~16. |
|
2502 |
while (true) { |
|
2503 |
assert_LU_OK; |
|
2504 |
mid = lower + 1; |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2505 |
NOT_PRODUCT(++pc_nmethod_stats.pc_desc_searches); |
1 | 2506 |
if (mid->pc_offset() < pc_offset) { |
2507 |
lower = mid; |
|
2508 |
} else { |
|
2509 |
upper = mid; |
|
2510 |
break; |
|
2511 |
} |
|
2512 |
} |
|
2513 |
#undef assert_LU_OK |
|
2514 |
||
2515 |
if (match_desc(upper, pc_offset, approximate)) { |
|
2516 |
assert(upper == linear_search(this, pc_offset, approximate), "search ok"); |
|
2517 |
_pc_desc_cache.add_pc_desc(upper); |
|
2518 |
return upper; |
|
2519 |
} else { |
|
2520 |
assert(NULL == linear_search(this, pc_offset, approximate), "search ok"); |
|
2521 |
return NULL; |
|
2522 |
} |
|
2523 |
} |
|
2524 |
||
2525 |
||
22506
0759c126204d
7194669: CodeCache::mark_for_deoptimization should avoid verifying dependencies multiple times
anoll
parents:
22223
diff
changeset
|
2526 |
void nmethod::check_all_dependencies(DepChange& changes) { |
0759c126204d
7194669: CodeCache::mark_for_deoptimization should avoid verifying dependencies multiple times
anoll
parents:
22223
diff
changeset
|
2527 |
// Checked dependencies are allocated into this ResourceMark |
0759c126204d
7194669: CodeCache::mark_for_deoptimization should avoid verifying dependencies multiple times
anoll
parents:
22223
diff
changeset
|
2528 |
ResourceMark rm; |
0759c126204d
7194669: CodeCache::mark_for_deoptimization should avoid verifying dependencies multiple times
anoll
parents:
22223
diff
changeset
|
2529 |
|
0759c126204d
7194669: CodeCache::mark_for_deoptimization should avoid verifying dependencies multiple times
anoll
parents:
22223
diff
changeset
|
2530 |
// Turn off dependency tracing while actually testing dependencies. |
0759c126204d
7194669: CodeCache::mark_for_deoptimization should avoid verifying dependencies multiple times
anoll
parents:
22223
diff
changeset
|
2531 |
NOT_PRODUCT( FlagSetting fs(TraceDependencies, false) ); |
0759c126204d
7194669: CodeCache::mark_for_deoptimization should avoid verifying dependencies multiple times
anoll
parents:
22223
diff
changeset
|
2532 |
|
26796 | 2533 |
typedef ResourceHashtable<DependencySignature, int, &DependencySignature::hash, |
2534 |
&DependencySignature::equals, 11027> DepTable; |
|
2535 |
||
2536 |
DepTable* table = new DepTable(); |
|
23187
0f438571f278
8035946: Use ResourceHashtable for dependency checking
anoll
parents:
22922
diff
changeset
|
2537 |
|
22506
0759c126204d
7194669: CodeCache::mark_for_deoptimization should avoid verifying dependencies multiple times
anoll
parents:
22223
diff
changeset
|
2538 |
// Iterate over live nmethods and check dependencies of all nmethods that are not |
0759c126204d
7194669: CodeCache::mark_for_deoptimization should avoid verifying dependencies multiple times
anoll
parents:
22223
diff
changeset
|
2539 |
// marked for deoptimization. A particular dependency is only checked once. |
26796 | 2540 |
NMethodIterator iter; |
2541 |
while(iter.next()) { |
|
2542 |
nmethod* nm = iter.method(); |
|
2543 |
// Only notify for live nmethods |
|
2544 |
if (nm->is_alive() && !nm->is_marked_for_deoptimization()) { |
|
22506
0759c126204d
7194669: CodeCache::mark_for_deoptimization should avoid verifying dependencies multiple times
anoll
parents:
22223
diff
changeset
|
2545 |
for (Dependencies::DepStream deps(nm); deps.next(); ) { |
0759c126204d
7194669: CodeCache::mark_for_deoptimization should avoid verifying dependencies multiple times
anoll
parents:
22223
diff
changeset
|
2546 |
// Construct abstraction of a dependency. |
22921
ee35d5c0b1dc
8034839: jvm hangs with gc/gctests/LoadUnloadGC test
anoll
parents:
22872
diff
changeset
|
2547 |
DependencySignature* current_sig = new DependencySignature(deps); |
23187
0f438571f278
8035946: Use ResourceHashtable for dependency checking
anoll
parents:
22922
diff
changeset
|
2548 |
|
0f438571f278
8035946: Use ResourceHashtable for dependency checking
anoll
parents:
22922
diff
changeset
|
2549 |
// Determine if dependency is already checked. table->put(...) returns |
0f438571f278
8035946: Use ResourceHashtable for dependency checking
anoll
parents:
22922
diff
changeset
|
2550 |
// 'true' if the dependency is added (i.e., was not in the hashtable). |
0f438571f278
8035946: Use ResourceHashtable for dependency checking
anoll
parents:
22922
diff
changeset
|
2551 |
if (table->put(*current_sig, 1)) { |
22506
0759c126204d
7194669: CodeCache::mark_for_deoptimization should avoid verifying dependencies multiple times
anoll
parents:
22223
diff
changeset
|
2552 |
if (deps.check_dependency() != NULL) { |
0759c126204d
7194669: CodeCache::mark_for_deoptimization should avoid verifying dependencies multiple times
anoll
parents:
22223
diff
changeset
|
2553 |
// Dependency checking failed. Print out information about the failed |
0759c126204d
7194669: CodeCache::mark_for_deoptimization should avoid verifying dependencies multiple times
anoll
parents:
22223
diff
changeset
|
2554 |
// dependency and finally fail with an assert. We can fail here, since |
0759c126204d
7194669: CodeCache::mark_for_deoptimization should avoid verifying dependencies multiple times
anoll
parents:
22223
diff
changeset
|
2555 |
// dependency checking is never done in a product build. |
30296
95baefac8485
8057967: CallSite dependency tracking scales devastatingly poorly
vlivanov
parents:
30188
diff
changeset
|
2556 |
tty->print_cr("Failed dependency:"); |
22506
0759c126204d
7194669: CodeCache::mark_for_deoptimization should avoid verifying dependencies multiple times
anoll
parents:
22223
diff
changeset
|
2557 |
changes.print(); |
0759c126204d
7194669: CodeCache::mark_for_deoptimization should avoid verifying dependencies multiple times
anoll
parents:
22223
diff
changeset
|
2558 |
nm->print(); |
0759c126204d
7194669: CodeCache::mark_for_deoptimization should avoid verifying dependencies multiple times
anoll
parents:
22223
diff
changeset
|
2559 |
nm->print_dependencies(); |
0759c126204d
7194669: CodeCache::mark_for_deoptimization should avoid verifying dependencies multiple times
anoll
parents:
22223
diff
changeset
|
2560 |
assert(false, "Should have been marked for deoptimization"); |
0759c126204d
7194669: CodeCache::mark_for_deoptimization should avoid verifying dependencies multiple times
anoll
parents:
22223
diff
changeset
|
2561 |
} |
0759c126204d
7194669: CodeCache::mark_for_deoptimization should avoid verifying dependencies multiple times
anoll
parents:
22223
diff
changeset
|
2562 |
} |
0759c126204d
7194669: CodeCache::mark_for_deoptimization should avoid verifying dependencies multiple times
anoll
parents:
22223
diff
changeset
|
2563 |
} |
1 | 2564 |
} |
2565 |
} |
|
2566 |
} |
|
2567 |
||
2568 |
bool nmethod::check_dependency_on(DepChange& changes) { |
|
2569 |
// What has happened: |
|
2570 |
// 1) a new class dependee has been added |
|
2571 |
// 2) dependee and all its super classes have been marked |
|
2572 |
bool found_check = false; // set true if we are upset |
|
2573 |
for (Dependencies::DepStream deps(this); deps.next(); ) { |
|
2574 |
// Evaluate only relevant dependencies. |
|
2575 |
if (deps.spot_check_dependency_at(changes) != NULL) { |
|
2576 |
found_check = true; |
|
2577 |
NOT_DEBUG(break); |
|
2578 |
} |
|
2579 |
} |
|
2580 |
return found_check; |
|
2581 |
} |
|
2582 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2583 |
bool nmethod::is_evol_dependent_on(Klass* dependee) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2584 |
InstanceKlass *dependee_ik = InstanceKlass::cast(dependee); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2585 |
Array<Method*>* dependee_methods = dependee_ik->methods(); |
1 | 2586 |
for (Dependencies::DepStream deps(this); deps.next(); ) { |
2587 |
if (deps.type() == Dependencies::evol_method) { |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2588 |
Method* method = deps.method_argument(0); |
1 | 2589 |
for (int j = 0; j < dependee_methods->length(); j++) { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2590 |
if (dependee_methods->at(j) == method) { |
1 | 2591 |
// RC_TRACE macro has an embedded ResourceMark |
2592 |
RC_TRACE(0x01000000, |
|
2593 |
("Found evol dependency of nmethod %s.%s(%s) compile_id=%d on method %s.%s(%s)", |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2594 |
_method->method_holder()->external_name(), |
1 | 2595 |
_method->name()->as_C_string(), |
2596 |
_method->signature()->as_C_string(), compile_id(), |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2597 |
method->method_holder()->external_name(), |
1 | 2598 |
method->name()->as_C_string(), |
2599 |
method->signature()->as_C_string())); |
|
2600 |
if (TraceDependencies || LogCompilation) |
|
2601 |
deps.log_dependency(dependee); |
|
2602 |
return true; |
|
2603 |
} |
|
2604 |
} |
|
2605 |
} |
|
2606 |
} |
|
2607 |
return false; |
|
2608 |
} |
|
2609 |
||
2610 |
// Called from mark_for_deoptimization, when dependee is invalidated. |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2611 |
bool nmethod::is_dependent_on_method(Method* dependee) { |
1 | 2612 |
for (Dependencies::DepStream deps(this); deps.next(); ) { |
2613 |
if (deps.type() != Dependencies::evol_method) |
|
2614 |
continue; |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2615 |
Method* method = deps.method_argument(0); |
1 | 2616 |
if (method == dependee) return true; |
2617 |
} |
|
2618 |
return false; |
|
2619 |
} |
|
2620 |
||
2621 |
||
2622 |
bool nmethod::is_patchable_at(address instr_addr) { |
|
6418 | 2623 |
assert(insts_contains(instr_addr), "wrong nmethod used"); |
1 | 2624 |
if (is_zombie()) { |
2625 |
// a zombie may never be patched |
|
2626 |
return false; |
|
2627 |
} |
|
2628 |
return true; |
|
2629 |
} |
|
2630 |
||
2631 |
||
2632 |
address nmethod::continuation_for_implicit_exception(address pc) { |
|
2633 |
// Exception happened outside inline-cache check code => we are inside |
|
2634 |
// an active nmethod => use cpc to determine a return address |
|
6418 | 2635 |
int exception_offset = pc - code_begin(); |
1 | 2636 |
int cont_offset = ImplicitExceptionTable(this).at( exception_offset ); |
2637 |
#ifdef ASSERT |
|
2638 |
if (cont_offset == 0) { |
|
34633
2a6c7c7b30a7
8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents:
34185
diff
changeset
|
2639 |
Thread* thread = Thread::current(); |
1 | 2640 |
ResetNoHandleMark rnm; // Might be called from LEAF/QUICK ENTRY |
2641 |
HandleMark hm(thread); |
|
2642 |
ResourceMark rm(thread); |
|
2643 |
CodeBlob* cb = CodeCache::find_blob(pc); |
|
2644 |
assert(cb != NULL && cb == this, ""); |
|
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2645 |
tty->print_cr("implicit exception happened at " INTPTR_FORMAT, p2i(pc)); |
1 | 2646 |
print(); |
2647 |
method()->print_codes(); |
|
2648 |
print_code(); |
|
2649 |
print_pcs(); |
|
2650 |
} |
|
2651 |
#endif |
|
4891 | 2652 |
if (cont_offset == 0) { |
2653 |
// Let the normal error handling report the exception |
|
2654 |
return NULL; |
|
2655 |
} |
|
6418 | 2656 |
return code_begin() + cont_offset; |
1 | 2657 |
} |
2658 |
||
2659 |
||
2660 |
||
2661 |
void nmethod_init() { |
|
2662 |
// make sure you didn't forget to adjust the filler fields |
|
2663 |
assert(sizeof(nmethod) % oopSize == 0, "nmethod size must be multiple of a word"); |
|
2664 |
} |
|
2665 |
||
2666 |
||
2667 |
//------------------------------------------------------------------------------------------- |
|
2668 |
||
2669 |
||
2670 |
// QQQ might we make this work from a frame?? |
|
2671 |
nmethodLocker::nmethodLocker(address pc) { |
|
2672 |
CodeBlob* cb = CodeCache::find_blob(pc); |
|
2673 |
guarantee(cb != NULL && cb->is_nmethod(), "bad pc for a nmethod found"); |
|
2674 |
_nm = (nmethod*)cb; |
|
2675 |
lock_nmethod(_nm); |
|
2676 |
} |
|
2677 |
||
8661
3dc8a18ac563
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
8495
diff
changeset
|
2678 |
// Only JvmtiDeferredEvent::compiled_method_unload_event() |
3dc8a18ac563
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
8495
diff
changeset
|
2679 |
// should pass zombie_ok == true. |
3dc8a18ac563
7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
dcubed
parents:
8495
diff
changeset
|
2680 |
void nmethodLocker::lock_nmethod(nmethod* nm, bool zombie_ok) { |
1 | 2681 |
if (nm == NULL) return; |
2682 |
Atomic::inc(&nm->_lock_count); |
|
24309
fc2950805050
8041468: Field nmethod::_lock_count should be declared volatile
anoll
parents:
23491
diff
changeset
|
2683 |
assert(zombie_ok || !nm->is_zombie(), "cannot lock a zombie method"); |
1 | 2684 |
} |
2685 |
||
2686 |
void nmethodLocker::unlock_nmethod(nmethod* nm) { |
|
2687 |
if (nm == NULL) return; |
|
2688 |
Atomic::dec(&nm->_lock_count); |
|
24309
fc2950805050
8041468: Field nmethod::_lock_count should be declared volatile
anoll
parents:
23491
diff
changeset
|
2689 |
assert(nm->_lock_count >= 0, "unmatched nmethod lock/unlock"); |
1 | 2690 |
} |
2691 |
||
4752 | 2692 |
// ----------------------------------------------------------------------------- |
2693 |
// nmethod::get_deopt_original_pc |
|
2694 |
// |
|
2695 |
// Return the original PC for the given PC if: |
|
2696 |
// (a) the given PC belongs to a nmethod and |
|
2697 |
// (b) it is a deopt PC |
|
2698 |
address nmethod::get_deopt_original_pc(const frame* fr) { |
|
2699 |
if (fr->cb() == NULL) return NULL; |
|
2700 |
||
2701 |
nmethod* nm = fr->cb()->as_nmethod_or_null(); |
|
2702 |
if (nm != NULL && nm->is_deopt_pc(fr->pc())) |
|
2703 |
return nm->get_original_pc(fr); |
|
2704 |
||
2705 |
return NULL; |
|
1 | 2706 |
} |
2707 |
||
2708 |
||
2709 |
// ----------------------------------------------------------------------------- |
|
4564
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4479
diff
changeset
|
2710 |
// MethodHandle |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4479
diff
changeset
|
2711 |
|
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4479
diff
changeset
|
2712 |
bool nmethod::is_method_handle_return(address return_pc) { |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4479
diff
changeset
|
2713 |
if (!has_method_handle_invokes()) return false; |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4479
diff
changeset
|
2714 |
PcDesc* pd = pc_desc_at(return_pc); |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4479
diff
changeset
|
2715 |
if (pd == NULL) |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4479
diff
changeset
|
2716 |
return false; |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4479
diff
changeset
|
2717 |
return pd->is_method_handle_invoke(); |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4479
diff
changeset
|
2718 |
} |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4479
diff
changeset
|
2719 |
|
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4479
diff
changeset
|
2720 |
|
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4479
diff
changeset
|
2721 |
// ----------------------------------------------------------------------------- |
1 | 2722 |
// Verification |
2723 |
||
3908
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2724 |
class VerifyOopsClosure: public OopClosure { |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2725 |
nmethod* _nm; |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2726 |
bool _ok; |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2727 |
public: |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2728 |
VerifyOopsClosure(nmethod* nm) : _nm(nm), _ok(true) { } |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2729 |
bool ok() { return _ok; } |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2730 |
virtual void do_oop(oop* p) { |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2731 |
if ((*p) == NULL || (*p)->is_oop()) return; |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2732 |
if (_ok) { |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2733 |
_nm->print_nmethod(true); |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2734 |
_ok = false; |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2735 |
} |
31592
43f48e165466
8081202: Hotspot compile warning: "Invalid suffix on literal; C++11 requires a space between literal and identifier"
bpittore
parents:
31348
diff
changeset
|
2736 |
tty->print_cr("*** non-oop " PTR_FORMAT " found at " PTR_FORMAT " (offset %d)", |
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2737 |
p2i(*p), p2i(p), (int)((intptr_t)p - (intptr_t)_nm)); |
3908
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2738 |
} |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2739 |
virtual void do_oop(narrowOop* p) { ShouldNotReachHere(); } |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2740 |
}; |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2741 |
|
1 | 2742 |
void nmethod::verify() { |
2743 |
||
2744 |
// Hmm. OSR methods can be deopted but not marked as zombie or not_entrant |
|
2745 |
// seems odd. |
|
2746 |
||
32401
cc58aeaec340
8075805: Crash while trying to release CompiledICHolder
thartmann
parents:
31592
diff
changeset
|
2747 |
if (is_zombie() || is_not_entrant() || is_unloaded()) |
1 | 2748 |
return; |
2749 |
||
2750 |
// Make sure all the entry points are correctly aligned for patching. |
|
2751 |
NativeJump::check_verified_entry_alignment(entry_point(), verified_entry_point()); |
|
2752 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2753 |
// assert(method()->is_oop(), "must be valid"); |
1 | 2754 |
|
2755 |
ResourceMark rm; |
|
2756 |
||
2757 |
if (!CodeCache::contains(this)) { |
|
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2758 |
fatal("nmethod at " INTPTR_FORMAT " not in zone", p2i(this)); |
1 | 2759 |
} |
2760 |
||
2761 |
if(is_native_method() ) |
|
2762 |
return; |
|
2763 |
||
2764 |
nmethod* nm = CodeCache::find_nmethod(verified_entry_point()); |
|
2765 |
if (nm != this) { |
|
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2766 |
fatal("findNMethod did not find this nmethod (" INTPTR_FORMAT ")", p2i(this)); |
1 | 2767 |
} |
2768 |
||
2769 |
for (PcDesc* p = scopes_pcs_begin(); p < scopes_pcs_end(); p++) { |
|
2770 |
if (! p->verify(this)) { |
|
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2771 |
tty->print_cr("\t\tin nmethod at " INTPTR_FORMAT " (pcs)", p2i(this)); |
1 | 2772 |
} |
2773 |
} |
|
2774 |
||
3908
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2775 |
VerifyOopsClosure voc(this); |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2776 |
oops_do(&voc); |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2777 |
assert(voc.ok(), "embedded oops must be OK"); |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2778 |
verify_scavenge_root_oops(); |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2779 |
|
1 | 2780 |
verify_scopes(); |
2781 |
} |
|
2782 |
||
2783 |
||
2784 |
void nmethod::verify_interrupt_point(address call_site) { |
|
21572
9cd0dd352fcd
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
20300
diff
changeset
|
2785 |
// Verify IC only when nmethod installation is finished. |
22223 | 2786 |
bool is_installed = (method()->code() == this) // nmethod is in state 'in_use' and installed |
2787 |
|| !this->is_in_use(); // nmethod is installed, but not in 'in_use' state |
|
21572
9cd0dd352fcd
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
20300
diff
changeset
|
2788 |
if (is_installed) { |
9cd0dd352fcd
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
20300
diff
changeset
|
2789 |
Thread *cur = Thread::current(); |
9cd0dd352fcd
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
20300
diff
changeset
|
2790 |
if (CompiledIC_lock->owner() == cur || |
9cd0dd352fcd
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
20300
diff
changeset
|
2791 |
((cur->is_VM_thread() || cur->is_ConcurrentGC_thread()) && |
9cd0dd352fcd
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
20300
diff
changeset
|
2792 |
SafepointSynchronize::is_at_safepoint())) { |
9cd0dd352fcd
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
20300
diff
changeset
|
2793 |
CompiledIC_at(this, call_site); |
9cd0dd352fcd
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
20300
diff
changeset
|
2794 |
CHECK_UNHANDLED_OOPS_ONLY(Thread::current()->clear_unhandled_oops()); |
9cd0dd352fcd
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
20300
diff
changeset
|
2795 |
} else { |
9cd0dd352fcd
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
20300
diff
changeset
|
2796 |
MutexLocker ml_verify (CompiledIC_lock); |
9cd0dd352fcd
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
20300
diff
changeset
|
2797 |
CompiledIC_at(this, call_site); |
9cd0dd352fcd
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
20300
diff
changeset
|
2798 |
} |
1 | 2799 |
} |
21572
9cd0dd352fcd
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
20300
diff
changeset
|
2800 |
|
9cd0dd352fcd
8023037: Race between ciEnv::register_method and nmethod::make_not_entrant_or_zombie
vlivanov
parents:
20300
diff
changeset
|
2801 |
PcDesc* pd = pc_desc_at(nativeCall_at(call_site)->return_address()); |
1 | 2802 |
assert(pd != NULL, "PcDesc must exist"); |
2803 |
for (ScopeDesc* sd = new ScopeDesc(this, pd->scope_decode_offset(), |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2804 |
pd->obj_decode_offset(), pd->should_reexecute(), pd->rethrow_exception(), |
4894
8a76fd3d098d
6910618: C2: Error: assert(d->is_oop(),"JVM_ArrayCopy: dst not an oop")
kvn
parents:
4891
diff
changeset
|
2805 |
pd->return_oop()); |
1 | 2806 |
!sd->is_top(); sd = sd->sender()) { |
2807 |
sd->verify(); |
|
2808 |
} |
|
2809 |
} |
|
2810 |
||
2811 |
void nmethod::verify_scopes() { |
|
2812 |
if( !method() ) return; // Runtime stubs have no scope |
|
2813 |
if (method()->is_native()) return; // Ignore stub methods. |
|
2814 |
// iterate through all interrupt point |
|
2815 |
// and verify the debug information is valid. |
|
2816 |
RelocIterator iter((nmethod*)this); |
|
2817 |
while (iter.next()) { |
|
2818 |
address stub = NULL; |
|
2819 |
switch (iter.type()) { |
|
2820 |
case relocInfo::virtual_call_type: |
|
2821 |
verify_interrupt_point(iter.addr()); |
|
2822 |
break; |
|
2823 |
case relocInfo::opt_virtual_call_type: |
|
2824 |
stub = iter.opt_virtual_call_reloc()->static_stub(); |
|
2825 |
verify_interrupt_point(iter.addr()); |
|
2826 |
break; |
|
2827 |
case relocInfo::static_call_type: |
|
2828 |
stub = iter.static_call_reloc()->static_stub(); |
|
2829 |
//verify_interrupt_point(iter.addr()); |
|
2830 |
break; |
|
2831 |
case relocInfo::runtime_call_type: |
|
2832 |
address destination = iter.reloc()->value(); |
|
2833 |
// Right now there is no way to find out which entries support |
|
2834 |
// an interrupt point. It would be nice if we had this |
|
2835 |
// information in a table. |
|
2836 |
break; |
|
2837 |
} |
|
2838 |
assert(stub == NULL || stub_contains(stub), "static call stub outside stub section"); |
|
2839 |
} |
|
2840 |
} |
|
2841 |
||
2842 |
||
2843 |
// ----------------------------------------------------------------------------- |
|
2844 |
// Non-product code |
|
2845 |
#ifndef PRODUCT |
|
2846 |
||
3908
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2847 |
class DebugScavengeRoot: public OopClosure { |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2848 |
nmethod* _nm; |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2849 |
bool _ok; |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2850 |
public: |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2851 |
DebugScavengeRoot(nmethod* nm) : _nm(nm), _ok(true) { } |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2852 |
bool ok() { return _ok; } |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2853 |
virtual void do_oop(oop* p) { |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2854 |
if ((*p) == NULL || !(*p)->is_scavengable()) return; |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2855 |
if (_ok) { |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2856 |
_nm->print_nmethod(true); |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2857 |
_ok = false; |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2858 |
} |
31592
43f48e165466
8081202: Hotspot compile warning: "Invalid suffix on literal; C++11 requires a space between literal and identifier"
bpittore
parents:
31348
diff
changeset
|
2859 |
tty->print_cr("*** scavengable oop " PTR_FORMAT " found at " PTR_FORMAT " (offset %d)", |
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2860 |
p2i(*p), p2i(p), (int)((intptr_t)p - (intptr_t)_nm)); |
3908
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2861 |
(*p)->print(); |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2862 |
} |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2863 |
virtual void do_oop(narrowOop* p) { ShouldNotReachHere(); } |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2864 |
}; |
1 | 2865 |
|
3908
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2866 |
void nmethod::verify_scavenge_root_oops() { |
25492
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2867 |
if (UseG1GC) { |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2868 |
return; |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2869 |
} |
d27050bdfb04
8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents:
25491
diff
changeset
|
2870 |
|
3908
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2871 |
if (!on_scavenge_root_list()) { |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2872 |
// Actually look inside, to verify the claim that it's clean. |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2873 |
DebugScavengeRoot debug_scavenge_root(this); |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2874 |
oops_do(&debug_scavenge_root); |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2875 |
if (!debug_scavenge_root.ok()) |
9935
51267b5e1a3d
7041789: 30% perf regression with c2/arm following 7017732
jmasa
parents:
8872
diff
changeset
|
2876 |
fatal("found an unadvertised bad scavengable oop in the code cache"); |
1 | 2877 |
} |
3908
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2878 |
assert(scavenge_root_not_marked(), ""); |
1 | 2879 |
} |
2880 |
||
347
df859fcca515
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
203
diff
changeset
|
2881 |
#endif // PRODUCT |
1 | 2882 |
|
2883 |
// Printing operations |
|
2884 |
||
2885 |
void nmethod::print() const { |
|
2886 |
ResourceMark rm; |
|
2887 |
ttyLocker ttyl; // keep the following output all in one block |
|
2888 |
||
8872
36680c58660e
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
8725
diff
changeset
|
2889 |
tty->print("Compiled method "); |
1 | 2890 |
|
2891 |
if (is_compiled_by_c1()) { |
|
2892 |
tty->print("(c1) "); |
|
2893 |
} else if (is_compiled_by_c2()) { |
|
2894 |
tty->print("(c2) "); |
|
6187 | 2895 |
} else if (is_compiled_by_shark()) { |
2896 |
tty->print("(shark) "); |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2897 |
} else if (is_compiled_by_jvmci()) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2898 |
tty->print("(JVMCI) "); |
1 | 2899 |
} else { |
2900 |
tty->print("(nm) "); |
|
2901 |
} |
|
2902 |
||
8872
36680c58660e
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
8725
diff
changeset
|
2903 |
print_on(tty, NULL); |
36680c58660e
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
8725
diff
changeset
|
2904 |
|
1 | 2905 |
if (WizardMode) { |
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2906 |
tty->print("((nmethod*) " INTPTR_FORMAT ") ", p2i(this)); |
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2907 |
tty->print(" for method " INTPTR_FORMAT , p2i(method())); |
1 | 2908 |
tty->print(" { "); |
2909 |
if (is_in_use()) tty->print("in_use "); |
|
2910 |
if (is_not_entrant()) tty->print("not_entrant "); |
|
2911 |
if (is_zombie()) tty->print("zombie "); |
|
2912 |
if (is_unloaded()) tty->print("unloaded "); |
|
3908
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
3686
diff
changeset
|
2913 |
if (on_scavenge_root_list()) tty->print("scavenge_root "); |
1 | 2914 |
tty->print_cr("}:"); |
2915 |
} |
|
2916 |
if (size () > 0) tty->print_cr(" total in heap [" INTPTR_FORMAT "," INTPTR_FORMAT "] = %d", |
|
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2917 |
p2i(this), |
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2918 |
p2i(this) + size(), |
1 | 2919 |
size()); |
2920 |
if (relocation_size () > 0) tty->print_cr(" relocation [" INTPTR_FORMAT "," INTPTR_FORMAT "] = %d", |
|
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2921 |
p2i(relocation_begin()), |
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2922 |
p2i(relocation_end()), |
1 | 2923 |
relocation_size()); |
6432
d36e09b60939
6961697: move nmethod constants section before instruction section
twisti
parents:
6418
diff
changeset
|
2924 |
if (consts_size () > 0) tty->print_cr(" constants [" INTPTR_FORMAT "," INTPTR_FORMAT "] = %d", |
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2925 |
p2i(consts_begin()), |
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2926 |
p2i(consts_end()), |
6432
d36e09b60939
6961697: move nmethod constants section before instruction section
twisti
parents:
6418
diff
changeset
|
2927 |
consts_size()); |
6418 | 2928 |
if (insts_size () > 0) tty->print_cr(" main code [" INTPTR_FORMAT "," INTPTR_FORMAT "] = %d", |
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2929 |
p2i(insts_begin()), |
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2930 |
p2i(insts_end()), |
6418 | 2931 |
insts_size()); |
1 | 2932 |
if (stub_size () > 0) tty->print_cr(" stub code [" INTPTR_FORMAT "," INTPTR_FORMAT "] = %d", |
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2933 |
p2i(stub_begin()), |
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2934 |
p2i(stub_end()), |
1 | 2935 |
stub_size()); |
5686
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
2936 |
if (oops_size () > 0) tty->print_cr(" oops [" INTPTR_FORMAT "," INTPTR_FORMAT "] = %d", |
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2937 |
p2i(oops_begin()), |
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2938 |
p2i(oops_end()), |
5686
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
5533
diff
changeset
|
2939 |
oops_size()); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2940 |
if (metadata_size () > 0) tty->print_cr(" metadata [" INTPTR_FORMAT "," INTPTR_FORMAT "] = %d", |
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2941 |
p2i(metadata_begin()), |
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2942 |
p2i(metadata_end()), |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2943 |
metadata_size()); |
1 | 2944 |
if (scopes_data_size () > 0) tty->print_cr(" scopes data [" INTPTR_FORMAT "," INTPTR_FORMAT "] = %d", |
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2945 |
p2i(scopes_data_begin()), |
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2946 |
p2i(scopes_data_end()), |
1 | 2947 |
scopes_data_size()); |
2948 |
if (scopes_pcs_size () > 0) tty->print_cr(" scopes pcs [" INTPTR_FORMAT "," INTPTR_FORMAT "] = %d", |
|
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2949 |
p2i(scopes_pcs_begin()), |
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2950 |
p2i(scopes_pcs_end()), |
1 | 2951 |
scopes_pcs_size()); |
2952 |
if (dependencies_size () > 0) tty->print_cr(" dependencies [" INTPTR_FORMAT "," INTPTR_FORMAT "] = %d", |
|
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2953 |
p2i(dependencies_begin()), |
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2954 |
p2i(dependencies_end()), |
1 | 2955 |
dependencies_size()); |
2956 |
if (handler_table_size() > 0) tty->print_cr(" handler table [" INTPTR_FORMAT "," INTPTR_FORMAT "] = %d", |
|
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2957 |
p2i(handler_table_begin()), |
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2958 |
p2i(handler_table_end()), |
1 | 2959 |
handler_table_size()); |
2960 |
if (nul_chk_table_size() > 0) tty->print_cr(" nul chk table [" INTPTR_FORMAT "," INTPTR_FORMAT "] = %d", |
|
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2961 |
p2i(nul_chk_table_begin()), |
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
2962 |
p2i(nul_chk_table_end()), |
1 | 2963 |
nul_chk_table_size()); |
2964 |
} |
|
2965 |
||
347
df859fcca515
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
203
diff
changeset
|
2966 |
void nmethod::print_code() { |
df859fcca515
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
203
diff
changeset
|
2967 |
HandleMark hm; |
df859fcca515
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
203
diff
changeset
|
2968 |
ResourceMark m; |
df859fcca515
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
203
diff
changeset
|
2969 |
Disassembler::decode(this); |
df859fcca515
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
203
diff
changeset
|
2970 |
} |
df859fcca515
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
203
diff
changeset
|
2971 |
|
df859fcca515
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
203
diff
changeset
|
2972 |
|
df859fcca515
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
203
diff
changeset
|
2973 |
#ifndef PRODUCT |
1 | 2974 |
|
2975 |
void nmethod::print_scopes() { |
|
2976 |
// Find the first pc desc for all scopes in the code and print it. |
|
2977 |
ResourceMark rm; |
|
2978 |
for (PcDesc* p = scopes_pcs_begin(); p < scopes_pcs_end(); p++) { |
|
2979 |
if (p->scope_decode_offset() == DebugInformationRecorder::serialized_null) |
|
2980 |
continue; |
|
2981 |
||
2982 |
ScopeDesc* sd = scope_desc_at(p->real_pc(this)); |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2983 |
while (sd != NULL) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2984 |
sd->print_on(tty, p); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2985 |
sd = sd->sender(); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2986 |
} |
1 | 2987 |
} |
2988 |
} |
|
2989 |
||
2990 |
void nmethod::print_dependencies() { |
|
2991 |
ResourceMark rm; |
|
2992 |
ttyLocker ttyl; // keep the following output all in one block |
|
2993 |
tty->print_cr("Dependencies:"); |
|
2994 |
for (Dependencies::DepStream deps(this); deps.next(); ) { |
|
2995 |
deps.print_dependency(); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
2996 |
Klass* ctxk = deps.context_type(); |
1 | 2997 |
if (ctxk != NULL) { |
33611
9abd65805e19
8139203: Consistent naming for klass type predicates
coleenp
parents:
33602
diff
changeset
|
2998 |
if (ctxk->is_instance_klass() && InstanceKlass::cast(ctxk)->is_dependent_nmethod(this)) { |
14488 | 2999 |
tty->print_cr(" [nmethod<=klass]%s", ctxk->external_name()); |
1 | 3000 |
} |
3001 |
} |
|
3002 |
deps.log_dependency(); // put it into the xml log also |
|
3003 |
} |
|
3004 |
} |
|
3005 |
||
3006 |
||
3007 |
void nmethod::print_relocations() { |
|
3008 |
ResourceMark m; // in case methods get printed via the debugger |
|
3009 |
tty->print_cr("relocations:"); |
|
3010 |
RelocIterator iter(this); |
|
3011 |
iter.print(); |
|
3012 |
if (UseRelocIndex) { |
|
3013 |
jint* index_end = (jint*)relocation_end() - 1; |
|
3014 |
jint index_size = *index_end; |
|
3015 |
jint* index_start = (jint*)( (address)index_end - index_size ); |
|
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
3016 |
tty->print_cr(" index @" INTPTR_FORMAT ": index_size=%d", p2i(index_start), index_size); |
1 | 3017 |
if (index_size > 0) { |
3018 |
jint* ip; |
|
3019 |
for (ip = index_start; ip+2 <= index_end; ip += 2) |
|
3020 |
tty->print_cr(" (%d %d) addr=" INTPTR_FORMAT " @" INTPTR_FORMAT, |
|
3021 |
ip[0], |
|
3022 |
ip[1], |
|
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
3023 |
p2i(header_end()+ip[0]), |
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
3024 |
p2i(relocation_begin()-1+ip[1])); |
1 | 3025 |
for (; ip < index_end; ip++) |
3026 |
tty->print_cr(" (%d ?)", ip[0]); |
|
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
3027 |
tty->print_cr(" @" INTPTR_FORMAT ": index_size=%d", p2i(ip), *ip); |
18073
f02460441ddc
8014431: cleanup warnings indicated by the -Wunused-value compiler option on linux
ccheung
parents:
17872
diff
changeset
|
3028 |
ip++; |
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
3029 |
tty->print_cr("reloc_end @" INTPTR_FORMAT ":", p2i(ip)); |
1 | 3030 |
} |
3031 |
} |
|
3032 |
} |
|
3033 |
||
3034 |
||
3035 |
void nmethod::print_pcs() { |
|
3036 |
ResourceMark m; // in case methods get printed via debugger |
|
3037 |
tty->print_cr("pc-bytecode offsets:"); |
|
3038 |
for (PcDesc* p = scopes_pcs_begin(); p < scopes_pcs_end(); p++) { |
|
3039 |
p->print(this); |
|
3040 |
} |
|
3041 |
} |
|
3042 |
||
35086
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3043 |
void nmethod::print_recorded_oops() { |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3044 |
tty->print_cr("Recorded oops:"); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3045 |
for (int i = 0; i < oops_count(); i++) { |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3046 |
oop o = oop_at(i); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3047 |
tty->print("#%3d: " INTPTR_FORMAT " ", i, p2i(o)); |
35132 | 3048 |
if (o == (oop)Universe::non_oop_word()) { |
3049 |
tty->print("non-oop word"); |
|
3050 |
} else { |
|
3051 |
o->print_value(); |
|
3052 |
} |
|
35086
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3053 |
tty->cr(); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3054 |
} |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3055 |
} |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3056 |
|
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3057 |
void nmethod::print_recorded_metadata() { |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3058 |
tty->print_cr("Recorded metadata:"); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3059 |
for (int i = 0; i < metadata_count(); i++) { |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3060 |
Metadata* m = metadata_at(i); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3061 |
tty->print("#%3d: " INTPTR_FORMAT " ", i, p2i(m)); |
35132 | 3062 |
if (m == (Metadata*)Universe::non_oop_word()) { |
3063 |
tty->print("non-metadata word"); |
|
3064 |
} else { |
|
3065 |
m->print_value_on_maybe_null(tty); |
|
3066 |
} |
|
35086
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3067 |
tty->cr(); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3068 |
} |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3069 |
} |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3070 |
|
347
df859fcca515
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
203
diff
changeset
|
3071 |
#endif // PRODUCT |
1 | 3072 |
|
3073 |
const char* nmethod::reloc_string_for(u_char* begin, u_char* end) { |
|
3074 |
RelocIterator iter(this, begin, end); |
|
3075 |
bool have_one = false; |
|
3076 |
while (iter.next()) { |
|
3077 |
have_one = true; |
|
3078 |
switch (iter.type()) { |
|
3079 |
case relocInfo::none: return "no_reloc"; |
|
3080 |
case relocInfo::oop_type: { |
|
3081 |
stringStream st; |
|
3082 |
oop_Relocation* r = iter.oop_reloc(); |
|
3083 |
oop obj = r->oop_value(); |
|
3084 |
st.print("oop("); |
|
3085 |
if (obj == NULL) st.print("NULL"); |
|
3086 |
else obj->print_value_on(&st); |
|
3087 |
st.print(")"); |
|
3088 |
return st.as_string(); |
|
3089 |
} |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
3090 |
case relocInfo::metadata_type: { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
3091 |
stringStream st; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
3092 |
metadata_Relocation* r = iter.metadata_reloc(); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
3093 |
Metadata* obj = r->metadata_value(); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
3094 |
st.print("metadata("); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
3095 |
if (obj == NULL) st.print("NULL"); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
3096 |
else obj->print_value_on(&st); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
3097 |
st.print(")"); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
3098 |
return st.as_string(); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
3099 |
} |
30188
40397cc74488
8075266: Show runtime call details when printing machine code
vlivanov
parents:
30187
diff
changeset
|
3100 |
case relocInfo::runtime_call_type: { |
40397cc74488
8075266: Show runtime call details when printing machine code
vlivanov
parents:
30187
diff
changeset
|
3101 |
stringStream st; |
40397cc74488
8075266: Show runtime call details when printing machine code
vlivanov
parents:
30187
diff
changeset
|
3102 |
st.print("runtime_call"); |
40397cc74488
8075266: Show runtime call details when printing machine code
vlivanov
parents:
30187
diff
changeset
|
3103 |
runtime_call_Relocation* r = iter.runtime_call_reloc(); |
40397cc74488
8075266: Show runtime call details when printing machine code
vlivanov
parents:
30187
diff
changeset
|
3104 |
address dest = r->destination(); |
40397cc74488
8075266: Show runtime call details when printing machine code
vlivanov
parents:
30187
diff
changeset
|
3105 |
CodeBlob* cb = CodeCache::find_blob(dest); |
40397cc74488
8075266: Show runtime call details when printing machine code
vlivanov
parents:
30187
diff
changeset
|
3106 |
if (cb != NULL) { |
40397cc74488
8075266: Show runtime call details when printing machine code
vlivanov
parents:
30187
diff
changeset
|
3107 |
st.print(" %s", cb->name()); |
35175
382588e9104a
8144853: Print the names of callees in PrintAssembly/PrintInterpreter
iklam
parents:
34633
diff
changeset
|
3108 |
} else { |
382588e9104a
8144853: Print the names of callees in PrintAssembly/PrintInterpreter
iklam
parents:
34633
diff
changeset
|
3109 |
ResourceMark rm; |
382588e9104a
8144853: Print the names of callees in PrintAssembly/PrintInterpreter
iklam
parents:
34633
diff
changeset
|
3110 |
const int buflen = 1024; |
382588e9104a
8144853: Print the names of callees in PrintAssembly/PrintInterpreter
iklam
parents:
34633
diff
changeset
|
3111 |
char* buf = NEW_RESOURCE_ARRAY(char, buflen); |
382588e9104a
8144853: Print the names of callees in PrintAssembly/PrintInterpreter
iklam
parents:
34633
diff
changeset
|
3112 |
int offset; |
382588e9104a
8144853: Print the names of callees in PrintAssembly/PrintInterpreter
iklam
parents:
34633
diff
changeset
|
3113 |
if (os::dll_address_to_function_name(dest, buf, buflen, &offset)) { |
382588e9104a
8144853: Print the names of callees in PrintAssembly/PrintInterpreter
iklam
parents:
34633
diff
changeset
|
3114 |
st.print(" %s", buf); |
382588e9104a
8144853: Print the names of callees in PrintAssembly/PrintInterpreter
iklam
parents:
34633
diff
changeset
|
3115 |
if (offset != 0) { |
382588e9104a
8144853: Print the names of callees in PrintAssembly/PrintInterpreter
iklam
parents:
34633
diff
changeset
|
3116 |
st.print("+%d", offset); |
382588e9104a
8144853: Print the names of callees in PrintAssembly/PrintInterpreter
iklam
parents:
34633
diff
changeset
|
3117 |
} |
382588e9104a
8144853: Print the names of callees in PrintAssembly/PrintInterpreter
iklam
parents:
34633
diff
changeset
|
3118 |
} |
30188
40397cc74488
8075266: Show runtime call details when printing machine code
vlivanov
parents:
30187
diff
changeset
|
3119 |
} |
40397cc74488
8075266: Show runtime call details when printing machine code
vlivanov
parents:
30187
diff
changeset
|
3120 |
return st.as_string(); |
40397cc74488
8075266: Show runtime call details when printing machine code
vlivanov
parents:
30187
diff
changeset
|
3121 |
} |
35086
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3122 |
case relocInfo::virtual_call_type: { |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3123 |
stringStream st; |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3124 |
st.print_raw("virtual_call"); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3125 |
virtual_call_Relocation* r = iter.virtual_call_reloc(); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3126 |
Method* m = r->method_value(); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3127 |
if (m != NULL) { |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3128 |
assert(m->is_method(), ""); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3129 |
m->print_short_name(&st); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3130 |
} |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3131 |
return st.as_string(); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3132 |
} |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3133 |
case relocInfo::opt_virtual_call_type: { |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3134 |
stringStream st; |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3135 |
st.print_raw("optimized virtual_call"); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3136 |
opt_virtual_call_Relocation* r = iter.opt_virtual_call_reloc(); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3137 |
Method* m = r->method_value(); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3138 |
if (m != NULL) { |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3139 |
assert(m->is_method(), ""); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3140 |
m->print_short_name(&st); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3141 |
} |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3142 |
return st.as_string(); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3143 |
} |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3144 |
case relocInfo::static_call_type: { |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3145 |
stringStream st; |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3146 |
st.print_raw("static_call"); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3147 |
static_call_Relocation* r = iter.static_call_reloc(); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3148 |
Method* m = r->method_value(); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3149 |
if (m != NULL) { |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3150 |
assert(m->is_method(), ""); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3151 |
m->print_short_name(&st); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3152 |
} |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3153 |
return st.as_string(); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3154 |
} |
1 | 3155 |
case relocInfo::static_stub_type: return "static_stub"; |
3156 |
case relocInfo::external_word_type: return "external_word"; |
|
3157 |
case relocInfo::internal_word_type: return "internal_word"; |
|
3158 |
case relocInfo::section_word_type: return "section_word"; |
|
3159 |
case relocInfo::poll_type: return "poll"; |
|
3160 |
case relocInfo::poll_return_type: return "poll_return"; |
|
3161 |
case relocInfo::type_mask: return "type_bit_mask"; |
|
3162 |
} |
|
3163 |
} |
|
3164 |
return have_one ? "other" : NULL; |
|
3165 |
} |
|
3166 |
||
3167 |
// Return a the last scope in (begin..end] |
|
3168 |
ScopeDesc* nmethod::scope_desc_in(address begin, address end) { |
|
3169 |
PcDesc* p = pc_desc_near(begin+1); |
|
3170 |
if (p != NULL && p->real_pc(this) <= end) { |
|
3171 |
return new ScopeDesc(this, p->scope_decode_offset(), |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3172 |
p->obj_decode_offset(), p->should_reexecute(), p->rethrow_exception(), |
4894
8a76fd3d098d
6910618: C2: Error: assert(d->is_oop(),"JVM_ArrayCopy: dst not an oop")
kvn
parents:
4891
diff
changeset
|
3173 |
p->return_oop()); |
1 | 3174 |
} |
3175 |
return NULL; |
|
3176 |
} |
|
3177 |
||
13887
89b873bcc55b
7200163: add CodeComments functionality to assember stubs
kvn
parents:
13883
diff
changeset
|
3178 |
void nmethod::print_nmethod_labels(outputStream* stream, address block_begin) const { |
4584
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3179 |
if (block_begin == entry_point()) stream->print_cr("[Entry Point]"); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3180 |
if (block_begin == verified_entry_point()) stream->print_cr("[Verified Entry Point]"); |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3181 |
if (JVMCI_ONLY(_exception_offset >= 0 &&) block_begin == exception_begin()) stream->print_cr("[Exception Handler]"); |
4584
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3182 |
if (block_begin == stub_begin()) stream->print_cr("[Stub Code]"); |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3183 |
if (JVMCI_ONLY(_deoptimize_offset >= 0 &&) block_begin == deopt_handler_begin()) stream->print_cr("[Deopt Handler Code]"); |
6186
7eef4cda471c
6975855: don't emit deopt MH handler in C1 if not required
twisti
parents:
5924
diff
changeset
|
3184 |
|
7eef4cda471c
6975855: don't emit deopt MH handler in C1 if not required
twisti
parents:
5924
diff
changeset
|
3185 |
if (has_method_handle_invokes()) |
7eef4cda471c
6975855: don't emit deopt MH handler in C1 if not required
twisti
parents:
5924
diff
changeset
|
3186 |
if (block_begin == deopt_mh_handler_begin()) stream->print_cr("[Deopt MH Handler Code]"); |
7eef4cda471c
6975855: don't emit deopt MH handler in C1 if not required
twisti
parents:
5924
diff
changeset
|
3187 |
|
4584
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3188 |
if (block_begin == consts_begin()) stream->print_cr("[Constants]"); |
6186
7eef4cda471c
6975855: don't emit deopt MH handler in C1 if not required
twisti
parents:
5924
diff
changeset
|
3189 |
|
4584
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3190 |
if (block_begin == entry_point()) { |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3191 |
methodHandle m = method(); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3192 |
if (m.not_null()) { |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3193 |
stream->print(" # "); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3194 |
m->print_value_on(stream); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3195 |
stream->cr(); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3196 |
} |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3197 |
if (m.not_null() && !is_osr_method()) { |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3198 |
ResourceMark rm; |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3199 |
int sizeargs = m->size_of_parameters(); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3200 |
BasicType* sig_bt = NEW_RESOURCE_ARRAY(BasicType, sizeargs); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3201 |
VMRegPair* regs = NEW_RESOURCE_ARRAY(VMRegPair, sizeargs); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3202 |
{ |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3203 |
int sig_index = 0; |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3204 |
if (!m->is_static()) |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3205 |
sig_bt[sig_index++] = T_OBJECT; // 'this' |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3206 |
for (SignatureStream ss(m->signature()); !ss.at_return_type(); ss.next()) { |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3207 |
BasicType t = ss.type(); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3208 |
sig_bt[sig_index++] = t; |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3209 |
if (type2size[t] == 2) { |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3210 |
sig_bt[sig_index++] = T_VOID; |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3211 |
} else { |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3212 |
assert(type2size[t] == 1, "size is 1 or 2"); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3213 |
} |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3214 |
} |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3215 |
assert(sig_index == sizeargs, ""); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3216 |
} |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3217 |
const char* spname = "sp"; // make arch-specific? |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3218 |
intptr_t out_preserve = SharedRuntime::java_calling_convention(sig_bt, regs, sizeargs, false); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3219 |
int stack_slot_offset = this->frame_size() * wordSize; |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3220 |
int tab1 = 14, tab2 = 24; |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3221 |
int sig_index = 0; |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3222 |
int arg_index = (m->is_static() ? 0 : -1); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3223 |
bool did_old_sp = false; |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3224 |
for (SignatureStream ss(m->signature()); !ss.at_return_type(); ) { |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3225 |
bool at_this = (arg_index == -1); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3226 |
bool at_old_sp = false; |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3227 |
BasicType t = (at_this ? T_OBJECT : ss.type()); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3228 |
assert(t == sig_bt[sig_index], "sigs in sync"); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3229 |
if (at_this) |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3230 |
stream->print(" # this: "); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3231 |
else |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3232 |
stream->print(" # parm%d: ", arg_index); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3233 |
stream->move_to(tab1); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3234 |
VMReg fst = regs[sig_index].first(); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3235 |
VMReg snd = regs[sig_index].second(); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3236 |
if (fst->is_reg()) { |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3237 |
stream->print("%s", fst->name()); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3238 |
if (snd->is_valid()) { |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3239 |
stream->print(":%s", snd->name()); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3240 |
} |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3241 |
} else if (fst->is_stack()) { |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3242 |
int offset = fst->reg2stack() * VMRegImpl::stack_slot_size + stack_slot_offset; |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3243 |
if (offset == stack_slot_offset) at_old_sp = true; |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3244 |
stream->print("[%s+0x%x]", spname, offset); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3245 |
} else { |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3246 |
stream->print("reg%d:%d??", (int)(intptr_t)fst, (int)(intptr_t)snd); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3247 |
} |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3248 |
stream->print(" "); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3249 |
stream->move_to(tab2); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3250 |
stream->print("= "); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3251 |
if (at_this) { |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3252 |
m->method_holder()->print_value_on(stream); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3253 |
} else { |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3254 |
bool did_name = false; |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3255 |
if (!at_this && ss.is_object()) { |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7913
diff
changeset
|
3256 |
Symbol* name = ss.as_symbol_or_null(); |
4584
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3257 |
if (name != NULL) { |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3258 |
name->print_value_on(stream); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3259 |
did_name = true; |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3260 |
} |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3261 |
} |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3262 |
if (!did_name) |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3263 |
stream->print("%s", type2name(t)); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3264 |
} |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3265 |
if (at_old_sp) { |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3266 |
stream->print(" (%s of caller)", spname); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3267 |
did_old_sp = true; |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3268 |
} |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3269 |
stream->cr(); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3270 |
sig_index += type2size[t]; |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3271 |
arg_index += 1; |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3272 |
if (!at_this) ss.next(); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3273 |
} |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3274 |
if (!did_old_sp) { |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3275 |
stream->print(" # "); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3276 |
stream->move_to(tab1); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3277 |
stream->print("[%s+0x%x]", spname, stack_slot_offset); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3278 |
stream->print(" (%s of caller)", spname); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3279 |
stream->cr(); |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3280 |
} |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3281 |
} |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3282 |
} |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3283 |
} |
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4570
diff
changeset
|
3284 |
|
1 | 3285 |
void nmethod::print_code_comment_on(outputStream* st, int column, u_char* begin, u_char* end) { |
3286 |
// First, find an oopmap in (begin, end]. |
|
3287 |
// We use the odd half-closed interval so that oop maps and scope descs |
|
3288 |
// which are tied to the byte after a call are printed with the call itself. |
|
6418 | 3289 |
address base = code_begin(); |
30590 | 3290 |
ImmutableOopMapSet* oms = oop_maps(); |
1 | 3291 |
if (oms != NULL) { |
30628
3c15b4a3bf4d
8079797: assert(index >= 0 && index < _count) failed: check
rbackman
parents:
30590
diff
changeset
|
3292 |
for (int i = 0, imax = oms->count(); i < imax; i++) { |
30590 | 3293 |
const ImmutableOopMapPair* pair = oms->pair_at(i); |
3294 |
const ImmutableOopMap* om = pair->get_from(oms); |
|
3295 |
address pc = base + pair->pc_offset(); |
|
1 | 3296 |
if (pc > begin) { |
3297 |
if (pc <= end) { |
|
347
df859fcca515
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
203
diff
changeset
|
3298 |
st->move_to(column); |
df859fcca515
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
203
diff
changeset
|
3299 |
st->print("; "); |
df859fcca515
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
203
diff
changeset
|
3300 |
om->print_on(st); |
1 | 3301 |
} |
3302 |
break; |
|
3303 |
} |
|
3304 |
} |
|
3305 |
} |
|
347
df859fcca515
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
203
diff
changeset
|
3306 |
|
df859fcca515
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
203
diff
changeset
|
3307 |
// Print any debug info present at this pc. |
1 | 3308 |
ScopeDesc* sd = scope_desc_in(begin, end); |
3309 |
if (sd != NULL) { |
|
347
df859fcca515
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
203
diff
changeset
|
3310 |
st->move_to(column); |
1 | 3311 |
if (sd->bci() == SynchronizationEntryBCI) { |
3312 |
st->print(";*synchronization entry"); |
|
3313 |
} else { |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
3314 |
if (sd->method() == NULL) { |
347
df859fcca515
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
203
diff
changeset
|
3315 |
st->print("method is NULL"); |
1 | 3316 |
} else if (sd->method()->is_native()) { |
347
df859fcca515
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
203
diff
changeset
|
3317 |
st->print("method is native"); |
1 | 3318 |
} else { |
7913 | 3319 |
Bytecodes::Code bc = sd->method()->java_code_at(sd->bci()); |
1 | 3320 |
st->print(";*%s", Bytecodes::name(bc)); |
3321 |
switch (bc) { |
|
3322 |
case Bytecodes::_invokevirtual: |
|
3323 |
case Bytecodes::_invokespecial: |
|
3324 |
case Bytecodes::_invokestatic: |
|
3325 |
case Bytecodes::_invokeinterface: |
|
3326 |
{ |
|
7913 | 3327 |
Bytecode_invoke invoke(sd->method(), sd->bci()); |
1 | 3328 |
st->print(" "); |
7913 | 3329 |
if (invoke.name() != NULL) |
3330 |
invoke.name()->print_symbol_on(st); |
|
1 | 3331 |
else |
3332 |
st->print("<UNKNOWN>"); |
|
3333 |
break; |
|
3334 |
} |
|
3335 |
case Bytecodes::_getfield: |
|
3336 |
case Bytecodes::_putfield: |
|
3337 |
case Bytecodes::_getstatic: |
|
3338 |
case Bytecodes::_putstatic: |
|
3339 |
{ |
|
7913 | 3340 |
Bytecode_field field(sd->method(), sd->bci()); |
1 | 3341 |
st->print(" "); |
7913 | 3342 |
if (field.name() != NULL) |
3343 |
field.name()->print_symbol_on(st); |
|
1 | 3344 |
else |
3345 |
st->print("<UNKNOWN>"); |
|
3346 |
} |
|
3347 |
} |
|
3348 |
} |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3349 |
st->print(" {reexecute=%d rethrow=%d return_oop=%d}", sd->should_reexecute(), sd->rethrow_exception(), sd->return_oop()); |
1 | 3350 |
} |
347
df859fcca515
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
203
diff
changeset
|
3351 |
|
1 | 3352 |
// Print all scopes |
3353 |
for (;sd != NULL; sd = sd->sender()) { |
|
347
df859fcca515
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
203
diff
changeset
|
3354 |
st->move_to(column); |
1 | 3355 |
st->print("; -"); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
3356 |
if (sd->method() == NULL) { |
347
df859fcca515
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
203
diff
changeset
|
3357 |
st->print("method is NULL"); |
1 | 3358 |
} else { |
3359 |
sd->method()->print_short_name(st); |
|
3360 |
} |
|
3361 |
int lineno = sd->method()->line_number_from_bci(sd->bci()); |
|
3362 |
if (lineno != -1) { |
|
3363 |
st->print("@%d (line %d)", sd->bci(), lineno); |
|
3364 |
} else { |
|
3365 |
st->print("@%d", sd->bci()); |
|
3366 |
} |
|
3367 |
st->cr(); |
|
3368 |
} |
|
3369 |
} |
|
3370 |
||
3371 |
// Print relocation information |
|
3372 |
const char* str = reloc_string_for(begin, end); |
|
3373 |
if (str != NULL) { |
|
3374 |
if (sd != NULL) st->cr(); |
|
347
df859fcca515
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
203
diff
changeset
|
3375 |
st->move_to(column); |
1 | 3376 |
st->print("; {%s}", str); |
3377 |
} |
|
6418 | 3378 |
int cont_offset = ImplicitExceptionTable(this).at(begin - code_begin()); |
1 | 3379 |
if (cont_offset != 0) { |
347
df859fcca515
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
203
diff
changeset
|
3380 |
st->move_to(column); |
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
3381 |
st->print("; implicit exception: dispatches to " INTPTR_FORMAT, p2i(code_begin() + cont_offset)); |
1 | 3382 |
} |
3383 |
||
3384 |
} |
|
3385 |
||
347
df859fcca515
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
203
diff
changeset
|
3386 |
#ifndef PRODUCT |
df859fcca515
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
203
diff
changeset
|
3387 |
|
1 | 3388 |
void nmethod::print_value_on(outputStream* st) const { |
8872
36680c58660e
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
8725
diff
changeset
|
3389 |
st->print("nmethod"); |
36680c58660e
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
8725
diff
changeset
|
3390 |
print_on(st, NULL); |
1 | 3391 |
} |
3392 |
||
3393 |
void nmethod::print_calls(outputStream* st) { |
|
3394 |
RelocIterator iter(this); |
|
3395 |
while (iter.next()) { |
|
3396 |
switch (iter.type()) { |
|
3397 |
case relocInfo::virtual_call_type: |
|
3398 |
case relocInfo::opt_virtual_call_type: { |
|
3399 |
VerifyMutexLocker mc(CompiledIC_lock); |
|
25486
be44827be5e7
8047362: Add a version of CompiledIC_at that doesn't create a new RelocIterator
stefank
parents:
25357
diff
changeset
|
3400 |
CompiledIC_at(&iter)->print(); |
1 | 3401 |
break; |
3402 |
} |
|
3403 |
case relocInfo::static_call_type: |
|
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
3404 |
st->print_cr("Static call at " INTPTR_FORMAT, p2i(iter.reloc()->addr())); |
1 | 3405 |
compiledStaticCall_at(iter.reloc())->print(); |
3406 |
break; |
|
3407 |
} |
|
3408 |
} |
|
3409 |
} |
|
3410 |
||
3411 |
void nmethod::print_handler_table() { |
|
3412 |
ExceptionHandlerTable(this).print(); |
|
3413 |
} |
|
3414 |
||
3415 |
void nmethod::print_nul_chk_table() { |
|
6418 | 3416 |
ImplicitExceptionTable(this).print(code_begin()); |
1 | 3417 |
} |
3418 |
||
3419 |
void nmethod::print_statistics() { |
|
3420 |
ttyLocker ttyl; |
|
3421 |
if (xtty != NULL) xtty->head("statistics type='nmethod'"); |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3422 |
native_nmethod_stats.print_native_nmethod_stats(); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3423 |
#ifdef COMPILER1 |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3424 |
c1_java_nmethod_stats.print_nmethod_stats("C1"); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3425 |
#endif |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3426 |
#ifdef COMPILER2 |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3427 |
c2_java_nmethod_stats.print_nmethod_stats("C2"); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3428 |
#endif |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3429 |
#if INCLUDE_JVMCI |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3430 |
jvmci_java_nmethod_stats.print_nmethod_stats("JVMCI"); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3431 |
#endif |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3432 |
#ifdef SHARK |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3433 |
shark_java_nmethod_stats.print_nmethod_stats("Shark"); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3434 |
#endif |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3435 |
unknown_java_nmethod_stats.print_nmethod_stats("Unknown"); |
1 | 3436 |
DebugInformationRecorder::print_statistics(); |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3437 |
#ifndef PRODUCT |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3438 |
pc_nmethod_stats.print_pc_stats(); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3439 |
#endif |
1 | 3440 |
Dependencies::print_statistics(); |
3441 |
if (xtty != NULL) xtty->tail("statistics"); |
|
3442 |
} |
|
3443 |
||
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3444 |
#endif // !PRODUCT |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3445 |
|
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3446 |
#if INCLUDE_JVMCI |
34167
52add43cc691
8142436: [JVMCI] fix management of nmethod::_installed_code field
never
parents:
34158
diff
changeset
|
3447 |
void nmethod::clear_jvmci_installed_code() { |
35092
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3448 |
// write_ref_method_pre/post can only be safely called at a |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3449 |
// safepoint or while holding the CodeCache_lock |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3450 |
assert(CodeCache_lock->is_locked() || |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3451 |
SafepointSynchronize::is_at_safepoint(), "should be performed under a lock for consistency"); |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3452 |
if (_jvmci_installed_code != NULL) { |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3453 |
// This must be done carefully to maintain nmethod remembered sets properly |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3454 |
BarrierSet* bs = Universe::heap()->barrier_set(); |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3455 |
bs->write_ref_nmethod_pre(&_jvmci_installed_code, this); |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3456 |
_jvmci_installed_code = NULL; |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3457 |
bs->write_ref_nmethod_post(&_jvmci_installed_code, this); |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3458 |
} |
34167
52add43cc691
8142436: [JVMCI] fix management of nmethod::_installed_code field
never
parents:
34158
diff
changeset
|
3459 |
} |
52add43cc691
8142436: [JVMCI] fix management of nmethod::_installed_code field
never
parents:
34158
diff
changeset
|
3460 |
|
33632 | 3461 |
void nmethod::maybe_invalidate_installed_code() { |
35092
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3462 |
assert(Patching_lock->is_locked() || |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3463 |
SafepointSynchronize::is_at_safepoint(), "should be performed under a lock for consistency"); |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3464 |
oop installed_code = jvmci_installed_code(); |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3465 |
if (installed_code != NULL) { |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3466 |
nmethod* nm = (nmethod*)InstalledCode::address(installed_code); |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3467 |
if (nm == NULL || nm != this) { |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3468 |
// The link has been broken or the InstalledCode instance is |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3469 |
// associated with another nmethod so do nothing. |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3470 |
return; |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3471 |
} |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3472 |
if (!is_alive()) { |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3473 |
// Break the link between nmethod and InstalledCode such that the nmethod |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3474 |
// can subsequently be flushed safely. The link must be maintained while |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3475 |
// the method could have live activations since invalidateInstalledCode |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3476 |
// might want to invalidate all existing activations. |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3477 |
InstalledCode::set_address(installed_code, 0); |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3478 |
InstalledCode::set_entryPoint(installed_code, 0); |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3479 |
} else if (is_not_entrant()) { |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3480 |
// Remove the entry point so any invocation will fail but keep |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3481 |
// the address link around that so that existing activations can |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3482 |
// be invalidated. |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3483 |
InstalledCode::set_entryPoint(installed_code, 0); |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3484 |
} |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3485 |
} |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3486 |
} |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3487 |
|
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3488 |
void nmethod::invalidate_installed_code(Handle installedCode, TRAPS) { |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3489 |
if (installedCode() == NULL) { |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3490 |
THROW(vmSymbols::java_lang_NullPointerException()); |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3491 |
} |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3492 |
jlong nativeMethod = InstalledCode::address(installedCode); |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3493 |
nmethod* nm = (nmethod*)nativeMethod; |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3494 |
if (nm == NULL) { |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3495 |
// Nothing to do |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3496 |
return; |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3497 |
} |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3498 |
|
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3499 |
nmethodLocker nml(nm); |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3500 |
#ifdef ASSERT |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3501 |
{ |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3502 |
MutexLockerEx pl(Patching_lock, Mutex::_no_safepoint_check_flag); |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3503 |
// This relationship can only be checked safely under a lock |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3504 |
assert(nm == NULL || !nm->is_alive() || nm->jvmci_installed_code() == installedCode(), "sanity check"); |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3505 |
} |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3506 |
#endif |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3507 |
|
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3508 |
if (nm->is_alive()) { |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3509 |
// The nmethod state machinery maintains the link between the |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3510 |
// HotSpotInstalledCode and nmethod* so as long as the nmethod appears to be |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3511 |
// alive assume there is work to do and deoptimize the nmethod. |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3512 |
nm->mark_for_deoptimization(); |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3513 |
VM_Deoptimize op; |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3514 |
VMThread::execute(&op); |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3515 |
} |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3516 |
|
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3517 |
MutexLockerEx pl(Patching_lock, Mutex::_no_safepoint_check_flag); |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3518 |
// Check that it's still associated with the same nmethod and break |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3519 |
// the link if it is. |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3520 |
if (InstalledCode::address(installedCode) == nativeMethod) { |
82170e5767c3
8143571: [JVMCI] Double unregistering of nmethod during unloading
never
parents:
35086
diff
changeset
|
3521 |
InstalledCode::set_address(installedCode, 0); |
33632 | 3522 |
} |
3523 |
} |
|
3524 |
||
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3525 |
char* nmethod::jvmci_installed_code_name(char* buf, size_t buflen) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3526 |
if (!this->is_compiled_by_jvmci()) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3527 |
return NULL; |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3528 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3529 |
oop installedCode = this->jvmci_installed_code(); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3530 |
if (installedCode != NULL) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3531 |
oop installedCodeName = NULL; |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3532 |
if (installedCode->is_a(InstalledCode::klass())) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3533 |
installedCodeName = InstalledCode::name(installedCode); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3534 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3535 |
if (installedCodeName != NULL) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3536 |
return java_lang_String::as_utf8_string(installedCodeName, buf, (int)buflen); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3537 |
} else { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3538 |
jio_snprintf(buf, buflen, "null"); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3539 |
return buf; |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3540 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3541 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3542 |
jio_snprintf(buf, buflen, "noInstalledCode"); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3543 |
return buf; |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3544 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3545 |
#endif |
35086
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3546 |
|
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3547 |
Method* nmethod::attached_method(address call_instr) { |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3548 |
assert(code_contains(call_instr), "not part of the nmethod"); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3549 |
RelocIterator iter(this, call_instr, call_instr + 1); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3550 |
while (iter.next()) { |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3551 |
if (iter.addr() == call_instr) { |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3552 |
switch(iter.type()) { |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3553 |
case relocInfo::static_call_type: return iter.static_call_reloc()->method_value(); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3554 |
case relocInfo::opt_virtual_call_type: return iter.opt_virtual_call_reloc()->method_value(); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3555 |
case relocInfo::virtual_call_type: return iter.virtual_call_reloc()->method_value(); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3556 |
} |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3557 |
} |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3558 |
} |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3559 |
return NULL; // not found |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3560 |
} |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34185
diff
changeset
|
3561 |
|
35108
ccb4e1f2a6cf
8145137: Incorrect call signature can be used in nmethod::preserve_callee_argument_oops
vlivanov
parents:
35092
diff
changeset
|
3562 |
Method* nmethod::attached_method_before_pc(address pc) { |
ccb4e1f2a6cf
8145137: Incorrect call signature can be used in nmethod::preserve_callee_argument_oops
vlivanov
parents:
35092
diff
changeset
|
3563 |
if (NativeCall::is_call_before(pc)) { |
ccb4e1f2a6cf
8145137: Incorrect call signature can be used in nmethod::preserve_callee_argument_oops
vlivanov
parents:
35092
diff
changeset
|
3564 |
NativeCall* ncall = nativeCall_before(pc); |
ccb4e1f2a6cf
8145137: Incorrect call signature can be used in nmethod::preserve_callee_argument_oops
vlivanov
parents:
35092
diff
changeset
|
3565 |
return attached_method(ncall->instruction_address()); |
ccb4e1f2a6cf
8145137: Incorrect call signature can be used in nmethod::preserve_callee_argument_oops
vlivanov
parents:
35092
diff
changeset
|
3566 |
} |
ccb4e1f2a6cf
8145137: Incorrect call signature can be used in nmethod::preserve_callee_argument_oops
vlivanov
parents:
35092
diff
changeset
|
3567 |
return NULL; // not a call |
ccb4e1f2a6cf
8145137: Incorrect call signature can be used in nmethod::preserve_callee_argument_oops
vlivanov
parents:
35092
diff
changeset
|
3568 |
} |
ccb4e1f2a6cf
8145137: Incorrect call signature can be used in nmethod::preserve_callee_argument_oops
vlivanov
parents:
35092
diff
changeset
|
3569 |