author | minqi |
Wed, 15 Jul 2015 12:24:41 -0700 | |
changeset 31790 | 4a08476437e8 |
parent 28650 | 772aaab2582f |
child 32391 | 01e2f5e916c7 |
permissions | -rw-r--r-- |
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/* |
31790 | 2 |
* Copyright (c) 2003, 2015, 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 "asm/macroAssembler.hpp" |
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#include "interpreter/bytecodeHistogram.hpp" |
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#include "interpreter/interpreter.hpp" |
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#include "interpreter/interpreterGenerator.hpp" |
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#include "interpreter/interpreterRuntime.hpp" |
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#include "interpreter/interp_masm.hpp" |
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#include "interpreter/templateTable.hpp" |
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#include "oops/arrayOop.hpp" |
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#include "oops/methodData.hpp" |
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#include "oops/method.hpp" |
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#include "oops/oop.inline.hpp" |
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#include "prims/jvmtiExport.hpp" |
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#include "prims/jvmtiThreadState.hpp" |
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#include "runtime/arguments.hpp" |
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#include "runtime/deoptimization.hpp" |
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#include "runtime/frame.inline.hpp" |
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#include "runtime/sharedRuntime.hpp" |
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#include "runtime/stubRoutines.hpp" |
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#include "runtime/synchronizer.hpp" |
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#include "runtime/timer.hpp" |
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#include "runtime/vframeArray.hpp" |
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#include "utilities/debug.hpp" |
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#include "utilities/macros.hpp" |
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#define __ _masm-> |
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#ifndef CC_INTERP |
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const int method_offset = frame::interpreter_frame_method_offset * wordSize; |
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const int bcp_offset = frame::interpreter_frame_bcp_offset * wordSize; |
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const int locals_offset = frame::interpreter_frame_locals_offset * wordSize; |
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//----------------------------------------------------------------------------- |
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address TemplateInterpreterGenerator::generate_StackOverflowError_handler() { |
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address entry = __ pc(); |
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#ifdef ASSERT |
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{ |
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Label L; |
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__ lea(rax, Address(rbp, |
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frame::interpreter_frame_monitor_block_top_offset * |
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wordSize)); |
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__ cmpptr(rax, rsp); // rax = maximal rsp for current rbp (stack |
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// grows negative) |
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__ jcc(Assembler::aboveEqual, L); // check if frame is complete |
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__ stop ("interpreter frame not set up"); |
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__ bind(L); |
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} |
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#endif // ASSERT |
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// Restore bcp under the assumption that the current frame is still |
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// interpreted |
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__ restore_bcp(); |
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// expression stack must be empty before entering the VM if an |
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// exception happened |
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__ empty_expression_stack(); |
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// throw exception |
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__ call_VM(noreg, |
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CAST_FROM_FN_PTR(address, |
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InterpreterRuntime::throw_StackOverflowError)); |
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return entry; |
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} |
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address TemplateInterpreterGenerator::generate_ArrayIndexOutOfBounds_handler( |
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const char* name) { |
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address entry = __ pc(); |
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// expression stack must be empty before entering the VM if an |
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// exception happened |
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__ empty_expression_stack(); |
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// setup parameters |
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// ??? convention: expect aberrant index in register ebx |
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__ lea(c_rarg1, ExternalAddress((address)name)); |
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__ call_VM(noreg, |
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CAST_FROM_FN_PTR(address, |
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InterpreterRuntime:: |
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throw_ArrayIndexOutOfBoundsException), |
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c_rarg1, rbx); |
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return entry; |
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} |
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address TemplateInterpreterGenerator::generate_ClassCastException_handler() { |
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address entry = __ pc(); |
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// object is at TOS |
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__ pop(c_rarg1); |
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// expression stack must be empty before entering the VM if an |
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// exception happened |
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__ empty_expression_stack(); |
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__ call_VM(noreg, |
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CAST_FROM_FN_PTR(address, |
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InterpreterRuntime:: |
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throw_ClassCastException), |
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c_rarg1); |
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return entry; |
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} |
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address TemplateInterpreterGenerator::generate_exception_handler_common( |
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const char* name, const char* message, bool pass_oop) { |
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assert(!pass_oop || message == NULL, "either oop or message but not both"); |
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address entry = __ pc(); |
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if (pass_oop) { |
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// object is at TOS |
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__ pop(c_rarg2); |
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} |
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// expression stack must be empty before entering the VM if an |
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// exception happened |
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__ empty_expression_stack(); |
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// setup parameters |
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__ lea(c_rarg1, ExternalAddress((address)name)); |
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if (pass_oop) { |
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__ call_VM(rax, CAST_FROM_FN_PTR(address, |
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InterpreterRuntime:: |
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create_klass_exception), |
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c_rarg1, c_rarg2); |
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} else { |
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// kind of lame ExternalAddress can't take NULL because |
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// external_word_Relocation will assert. |
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if (message != NULL) { |
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__ lea(c_rarg2, ExternalAddress((address)message)); |
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} else { |
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__ movptr(c_rarg2, NULL_WORD); |
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} |
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__ call_VM(rax, |
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CAST_FROM_FN_PTR(address, InterpreterRuntime::create_exception), |
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c_rarg1, c_rarg2); |
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} |
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// throw exception |
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__ jump(ExternalAddress(Interpreter::throw_exception_entry())); |
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return entry; |
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} |
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address TemplateInterpreterGenerator::generate_continuation_for(TosState state) { |
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address entry = __ pc(); |
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// NULL last_sp until next java call |
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__ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
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__ dispatch_next(state); |
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return entry; |
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} |
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address TemplateInterpreterGenerator::generate_return_entry_for(TosState state, int step, size_t index_size) { |
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address entry = __ pc(); |
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// Restore stack bottom in case i2c adjusted stack |
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__ movptr(rsp, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize)); |
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// and NULL it as marker that esp is now tos until next java call |
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__ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
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__ restore_bcp(); |
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__ restore_locals(); |
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if (state == atos) { |
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Register mdp = rbx; |
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Register tmp = rcx; |
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__ profile_return_type(mdp, rax, tmp); |
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} |
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const Register cache = rbx; |
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const Register index = rcx; |
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__ get_cache_and_index_at_bcp(cache, index, 1, index_size); |
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const Register flags = cache; |
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__ movl(flags, Address(cache, index, Address::times_ptr, ConstantPoolCache::base_offset() + ConstantPoolCacheEntry::flags_offset())); |
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__ andl(flags, ConstantPoolCacheEntry::parameter_size_mask); |
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__ lea(rsp, Address(rsp, flags, Interpreter::stackElementScale())); |
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__ dispatch_next(state, step); |
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return entry; |
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} |
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address TemplateInterpreterGenerator::generate_deopt_entry_for(TosState state, |
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int step) { |
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address entry = __ pc(); |
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// NULL last_sp until next java call |
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__ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
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__ restore_bcp(); |
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__ restore_locals(); |
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// handle exceptions |
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{ |
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Label L; |
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__ cmpptr(Address(r15_thread, Thread::pending_exception_offset()), (int32_t) NULL_WORD); |
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__ jcc(Assembler::zero, L); |
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__ call_VM(noreg, |
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CAST_FROM_FN_PTR(address, |
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InterpreterRuntime::throw_pending_exception)); |
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__ should_not_reach_here(); |
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__ bind(L); |
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} |
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__ dispatch_next(state, step); |
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return entry; |
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} |
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int AbstractInterpreter::BasicType_as_index(BasicType type) { |
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int i = 0; |
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switch (type) { |
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case T_BOOLEAN: i = 0; break; |
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case T_CHAR : i = 1; break; |
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case T_BYTE : i = 2; break; |
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case T_SHORT : i = 3; break; |
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case T_INT : i = 4; break; |
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case T_LONG : i = 5; break; |
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case T_VOID : i = 6; break; |
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case T_FLOAT : i = 7; break; |
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case T_DOUBLE : i = 8; break; |
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case T_OBJECT : i = 9; break; |
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case T_ARRAY : i = 9; break; |
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default : ShouldNotReachHere(); |
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} |
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assert(0 <= i && i < AbstractInterpreter::number_of_result_handlers, |
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"index out of bounds"); |
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return i; |
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} |
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address TemplateInterpreterGenerator::generate_result_handler_for( |
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BasicType type) { |
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address entry = __ pc(); |
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switch (type) { |
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case T_BOOLEAN: __ c2bool(rax); break; |
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case T_CHAR : __ movzwl(rax, rax); break; |
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case T_BYTE : __ sign_extend_byte(rax); break; |
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case T_SHORT : __ sign_extend_short(rax); break; |
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case T_INT : /* nothing to do */ break; |
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case T_LONG : /* nothing to do */ break; |
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case T_VOID : /* nothing to do */ break; |
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case T_FLOAT : /* nothing to do */ break; |
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case T_DOUBLE : /* nothing to do */ break; |
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case T_OBJECT : |
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// retrieve result from frame |
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__ movptr(rax, Address(rbp, frame::interpreter_frame_oop_temp_offset*wordSize)); |
1 | 261 |
// and verify it |
262 |
__ verify_oop(rax); |
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263 |
break; |
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default : ShouldNotReachHere(); |
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265 |
} |
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266 |
__ ret(0); // return from result handler |
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267 |
return entry; |
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} |
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address TemplateInterpreterGenerator::generate_safept_entry_for( |
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TosState state, |
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address runtime_entry) { |
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address entry = __ pc(); |
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274 |
__ push(state); |
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__ call_VM(noreg, runtime_entry); |
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__ dispatch_via(vtos, Interpreter::_normal_table.table_for(vtos)); |
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return entry; |
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} |
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279 |
||
280 |
||
281 |
||
282 |
// Helpers for commoning out cases in the various type of method entries. |
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283 |
// |
|
284 |
||
285 |
||
286 |
// increment invocation count & check for overflow |
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287 |
// |
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288 |
// Note: checking for negative value instead of overflow |
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289 |
// so we have a 'sticky' overflow test |
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// |
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// rbx: method |
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// ecx: invocation counter |
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293 |
// |
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294 |
void InterpreterGenerator::generate_counter_incr( |
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295 |
Label* overflow, |
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296 |
Label* profile_method, |
|
297 |
Label* profile_method_continue) { |
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Label done; |
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// Note: In tiered we increment either counters in Method* or in MDO depending if we're profiling or not. |
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if (TieredCompilation) { |
301 |
int increment = InvocationCounter::count_increment; |
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Label no_mdo; |
6453 | 303 |
if (ProfileInterpreter) { |
304 |
// Are we profiling? |
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__ movptr(rax, Address(rbx, Method::method_data_offset())); |
6453 | 306 |
__ testptr(rax, rax); |
307 |
__ jccb(Assembler::zero, no_mdo); |
|
308 |
// Increment counter in the MDO |
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const Address mdo_invocation_counter(rax, in_bytes(MethodData::invocation_counter_offset()) + |
6453 | 310 |
in_bytes(InvocationCounter::counter_offset())); |
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const Address mask(rax, in_bytes(MethodData::invoke_mask_offset())); |
6453 | 312 |
__ increment_mask_and_jump(mdo_invocation_counter, increment, mask, rcx, false, Assembler::zero, overflow); |
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__ jmp(done); |
6453 | 314 |
} |
315 |
__ bind(no_mdo); |
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// Increment counter in MethodCounters |
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const Address invocation_counter(rax, |
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MethodCounters::invocation_counter_offset() + |
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InvocationCounter::counter_offset()); |
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320 |
__ get_method_counters(rbx, rax, done); |
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321 |
const Address mask(rax, in_bytes(MethodCounters::invoke_mask_offset())); |
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__ increment_mask_and_jump(invocation_counter, increment, mask, rcx, |
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false, Assembler::zero, overflow); |
6453 | 324 |
__ bind(done); |
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} else { // not TieredCompilation |
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const Address backedge_counter(rax, |
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|
327 |
MethodCounters::backedge_counter_offset() + |
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|
328 |
InvocationCounter::counter_offset()); |
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|
329 |
const Address invocation_counter(rax, |
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|
330 |
MethodCounters::invocation_counter_offset() + |
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|
331 |
InvocationCounter::counter_offset()); |
1 | 332 |
|
17000
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|
333 |
__ get_method_counters(rbx, rax, done); |
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|
334 |
|
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|
335 |
if (ProfileInterpreter) { |
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|
336 |
__ incrementl(Address(rax, |
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|
337 |
MethodCounters::interpreter_invocation_counter_offset())); |
6453 | 338 |
} |
339 |
// Update standard invocation counters |
|
17000
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|
340 |
__ movl(rcx, invocation_counter); |
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|
341 |
__ incrementl(rcx, InvocationCounter::count_increment); |
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|
342 |
__ movl(invocation_counter, rcx); // save invocation count |
1 | 343 |
|
17000
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|
344 |
__ movl(rax, backedge_counter); // load backedge counter |
6453 | 345 |
__ andl(rax, InvocationCounter::count_mask_value); // mask out the status bits |
1 | 346 |
|
6453 | 347 |
__ addl(rcx, rax); // add both counters |
1 | 348 |
|
6453 | 349 |
// profile_method is non-null only for interpreted method so |
350 |
// profile_method != NULL == !native_call |
|
351 |
||
352 |
if (ProfileInterpreter && profile_method != NULL) { |
|
353 |
// Test to see if we should create a method data oop |
|
28650
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|
354 |
__ movptr(rax, Address(rbx, Method::method_counters_offset())); |
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|
355 |
__ cmp32(rcx, Address(rax, in_bytes(MethodCounters::interpreter_profile_limit_offset()))); |
6453 | 356 |
__ jcc(Assembler::less, *profile_method_continue); |
1 | 357 |
|
6453 | 358 |
// if no method data exists, go to profile_method |
359 |
__ test_method_data_pointer(rax, *profile_method); |
|
360 |
} |
|
361 |
||
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|
362 |
__ movptr(rax, Address(rbx, Method::method_counters_offset())); |
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|
363 |
__ cmp32(rcx, Address(rax, in_bytes(MethodCounters::interpreter_invocation_limit_offset()))); |
6453 | 364 |
__ jcc(Assembler::aboveEqual, *overflow); |
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|
365 |
__ bind(done); |
1 | 366 |
} |
367 |
} |
|
368 |
||
369 |
void InterpreterGenerator::generate_counter_overflow(Label* do_continue) { |
|
370 |
||
371 |
// Asm interpreter on entry |
|
372 |
// r14 - locals |
|
373 |
// r13 - bcp |
|
374 |
// rbx - method |
|
375 |
// edx - cpool --- DOES NOT APPEAR TO BE TRUE |
|
376 |
// rbp - interpreter frame |
|
377 |
||
378 |
// On return (i.e. jump to entry_point) [ back to invocation of interpreter ] |
|
379 |
// Everything as it was on entry |
|
380 |
// rdx is not restored. Doesn't appear to really be set. |
|
381 |
||
382 |
// InterpreterRuntime::frequency_counter_overflow takes two |
|
383 |
// arguments, the first (thread) is passed by call_VM, the second |
|
384 |
// indicates if the counter overflow occurs at a backwards branch |
|
385 |
// (NULL bcp). We pass zero for it. The call returns the address |
|
386 |
// of the verified entry point for the method or NULL if the |
|
387 |
// compilation did not complete (either went background or bailed |
|
388 |
// out). |
|
389 |
__ movl(c_rarg1, 0); |
|
390 |
__ call_VM(noreg, |
|
391 |
CAST_FROM_FN_PTR(address, |
|
392 |
InterpreterRuntime::frequency_counter_overflow), |
|
393 |
c_rarg1); |
|
394 |
||
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395 |
__ movptr(rbx, Address(rbp, method_offset)); // restore Method* |
1 | 396 |
// Preserve invariant that r13/r14 contain bcp/locals of sender frame |
397 |
// and jump to the interpreted entry. |
|
398 |
__ jmp(*do_continue, relocInfo::none); |
|
399 |
} |
|
400 |
||
401 |
// See if we've got enough room on the stack for locals plus overhead. |
|
402 |
// The expression stack grows down incrementally, so the normal guard |
|
403 |
// page mechanism will work for that. |
|
404 |
// |
|
405 |
// NOTE: Since the additional locals are also always pushed (wasn't |
|
25950
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8003426: Remove UseFastAccessors and UseFastEmptyMethods except for zero
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diff
changeset
|
406 |
// obvious in generate_fixed_frame) so the guard should work for them |
1 | 407 |
// too. |
408 |
// |
|
409 |
// Args: |
|
410 |
// rdx: number of additional locals this frame needs (what we must check) |
|
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|
411 |
// rbx: Method* |
1 | 412 |
// |
413 |
// Kills: |
|
414 |
// rax |
|
415 |
void InterpreterGenerator::generate_stack_overflow_check(void) { |
|
416 |
||
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|
417 |
// monitor entry size: see picture of stack in frame_x86.hpp |
1 | 418 |
const int entry_size = frame::interpreter_frame_monitor_size() * wordSize; |
419 |
||
420 |
// total overhead size: entry_size + (saved rbp through expr stack |
|
421 |
// bottom). be sure to change this if you add/subtract anything |
|
422 |
// to/from the overhead area |
|
423 |
const int overhead_size = |
|
424 |
-(frame::interpreter_frame_initial_sp_offset * wordSize) + entry_size; |
|
425 |
||
426 |
const int page_size = os::vm_page_size(); |
|
427 |
||
428 |
Label after_frame_check; |
|
429 |
||
430 |
// see if the frame is greater than one page in size. If so, |
|
431 |
// then we need to verify there is enough stack space remaining |
|
432 |
// for the additional locals. |
|
5419 | 433 |
__ cmpl(rdx, (page_size - overhead_size) / Interpreter::stackElementSize); |
1 | 434 |
__ jcc(Assembler::belowEqual, after_frame_check); |
435 |
||
436 |
// compute rsp as if this were going to be the last frame on |
|
437 |
// the stack before the red zone |
|
438 |
||
439 |
const Address stack_base(r15_thread, Thread::stack_base_offset()); |
|
440 |
const Address stack_size(r15_thread, Thread::stack_size_offset()); |
|
441 |
||
442 |
// locals + overhead, in bytes |
|
1066 | 443 |
__ mov(rax, rdx); |
5419 | 444 |
__ shlptr(rax, Interpreter::logStackElementSize); // 2 slots per parameter. |
1066 | 445 |
__ addptr(rax, overhead_size); |
1 | 446 |
|
447 |
#ifdef ASSERT |
|
448 |
Label stack_base_okay, stack_size_okay; |
|
449 |
// verify that thread stack base is non-zero |
|
1066 | 450 |
__ cmpptr(stack_base, (int32_t)NULL_WORD); |
1 | 451 |
__ jcc(Assembler::notEqual, stack_base_okay); |
452 |
__ stop("stack base is zero"); |
|
453 |
__ bind(stack_base_okay); |
|
454 |
// verify that thread stack size is non-zero |
|
1066 | 455 |
__ cmpptr(stack_size, 0); |
1 | 456 |
__ jcc(Assembler::notEqual, stack_size_okay); |
457 |
__ stop("stack size is zero"); |
|
458 |
__ bind(stack_size_okay); |
|
459 |
#endif |
|
460 |
||
461 |
// Add stack base to locals and subtract stack size |
|
1066 | 462 |
__ addptr(rax, stack_base); |
463 |
__ subptr(rax, stack_size); |
|
1 | 464 |
|
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|
465 |
// Use the maximum number of pages we might bang. |
55dfb20908d0
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|
466 |
const int max_pages = StackShadowPages > (StackRedPages+StackYellowPages) ? StackShadowPages : |
55dfb20908d0
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changeset
|
467 |
(StackRedPages+StackYellowPages); |
55dfb20908d0
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changeset
|
468 |
|
1 | 469 |
// add in the red and yellow zone sizes |
4564
55dfb20908d0
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|
470 |
__ addptr(rax, max_pages * page_size); |
1 | 471 |
|
472 |
// check against the current stack bottom |
|
1066 | 473 |
__ cmpptr(rsp, rax); |
1 | 474 |
__ jcc(Assembler::above, after_frame_check); |
475 |
||
11411 | 476 |
// Restore sender's sp as SP. This is necessary if the sender's |
477 |
// frame is an extended compiled frame (see gen_c2i_adapter()) |
|
478 |
// and safer anyway in case of JSR292 adaptations. |
|
479 |
||
480 |
__ pop(rax); // return address must be moved if SP is changed |
|
481 |
__ mov(rsp, r13); |
|
482 |
__ push(rax); |
|
483 |
||
484 |
// Note: the restored frame is not necessarily interpreted. |
|
485 |
// Use the shared runtime version of the StackOverflowError. |
|
486 |
assert(StubRoutines::throw_StackOverflowError_entry() != NULL, "stub not yet generated"); |
|
487 |
__ jump(ExternalAddress(StubRoutines::throw_StackOverflowError_entry())); |
|
1 | 488 |
|
489 |
// all done with frame size check |
|
490 |
__ bind(after_frame_check); |
|
491 |
} |
|
492 |
||
493 |
// Allocate monitor and lock method (asm interpreter) |
|
494 |
// |
|
495 |
// Args: |
|
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changeset
|
496 |
// rbx: Method* |
1 | 497 |
// r14: locals |
498 |
// |
|
499 |
// Kills: |
|
500 |
// rax |
|
501 |
// c_rarg0, c_rarg1, c_rarg2, c_rarg3, ...(param regs) |
|
502 |
// rscratch1, rscratch2 (scratch regs) |
|
503 |
void InterpreterGenerator::lock_method(void) { |
|
504 |
// synchronize method |
|
13728
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diff
changeset
|
505 |
const Address access_flags(rbx, Method::access_flags_offset()); |
1 | 506 |
const Address monitor_block_top( |
507 |
rbp, |
|
508 |
frame::interpreter_frame_monitor_block_top_offset * wordSize); |
|
509 |
const int entry_size = frame::interpreter_frame_monitor_size() * wordSize; |
|
510 |
||
511 |
#ifdef ASSERT |
|
512 |
{ |
|
513 |
Label L; |
|
514 |
__ movl(rax, access_flags); |
|
515 |
__ testl(rax, JVM_ACC_SYNCHRONIZED); |
|
516 |
__ jcc(Assembler::notZero, L); |
|
517 |
__ stop("method doesn't need synchronization"); |
|
518 |
__ bind(L); |
|
519 |
} |
|
520 |
#endif // ASSERT |
|
521 |
||
522 |
// get synchronization object |
|
523 |
{ |
|
11430
718fc06da49a
7118863: Move sizeof(klassOopDesc) into the *Klass::*_offset_in_bytes() functions
stefank
parents:
10966
diff
changeset
|
524 |
const int mirror_offset = in_bytes(Klass::java_mirror_offset()); |
1 | 525 |
Label done; |
526 |
__ movl(rax, access_flags); |
|
527 |
__ testl(rax, JVM_ACC_STATIC); |
|
528 |
// get receiver (assume this is frequent case) |
|
1066 | 529 |
__ movptr(rax, Address(r14, Interpreter::local_offset_in_bytes(0))); |
1 | 530 |
__ jcc(Assembler::zero, done); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
531 |
__ movptr(rax, Address(rbx, Method::const_offset())); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
532 |
__ movptr(rax, Address(rax, ConstMethod::constants_offset())); |
1066 | 533 |
__ movptr(rax, Address(rax, |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
534 |
ConstantPool::pool_holder_offset_in_bytes())); |
1066 | 535 |
__ movptr(rax, Address(rax, mirror_offset)); |
1 | 536 |
|
537 |
#ifdef ASSERT |
|
538 |
{ |
|
539 |
Label L; |
|
1066 | 540 |
__ testptr(rax, rax); |
1 | 541 |
__ jcc(Assembler::notZero, L); |
542 |
__ stop("synchronization object is NULL"); |
|
543 |
__ bind(L); |
|
544 |
} |
|
545 |
#endif // ASSERT |
|
546 |
||
547 |
__ bind(done); |
|
548 |
} |
|
549 |
||
550 |
// add space for monitor & lock |
|
1066 | 551 |
__ subptr(rsp, entry_size); // add space for a monitor entry |
552 |
__ movptr(monitor_block_top, rsp); // set new monitor block top |
|
1 | 553 |
// store object |
1066 | 554 |
__ movptr(Address(rsp, BasicObjectLock::obj_offset_in_bytes()), rax); |
555 |
__ movptr(c_rarg1, rsp); // object address |
|
1 | 556 |
__ lock_object(c_rarg1); |
557 |
} |
|
558 |
||
559 |
// Generate a fixed interpreter frame. This is identical setup for |
|
560 |
// interpreted methods and for native methods hence the shared code. |
|
561 |
// |
|
562 |
// Args: |
|
563 |
// rax: return address |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
564 |
// rbx: Method* |
1 | 565 |
// r14: pointer to locals |
566 |
// r13: sender sp |
|
567 |
// rdx: cp cache |
|
568 |
void TemplateInterpreterGenerator::generate_fixed_frame(bool native_call) { |
|
569 |
// initialize fixed part of activation frame |
|
1066 | 570 |
__ push(rax); // save return address |
1 | 571 |
__ enter(); // save old & set new rbp |
1066 | 572 |
__ push(r13); // set sender sp |
573 |
__ push((int)NULL_WORD); // leave last_sp as null |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
574 |
__ movptr(r13, Address(rbx, Method::const_offset())); // get ConstMethod* |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
575 |
__ lea(r13, Address(r13, ConstMethod::codes_offset())); // get codebase |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
576 |
__ push(rbx); // save Method* |
1 | 577 |
if (ProfileInterpreter) { |
578 |
Label method_data_continue; |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
579 |
__ movptr(rdx, Address(rbx, in_bytes(Method::method_data_offset()))); |
1066 | 580 |
__ testptr(rdx, rdx); |
1 | 581 |
__ jcc(Assembler::zero, method_data_continue); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
582 |
__ addptr(rdx, in_bytes(MethodData::data_offset())); |
1 | 583 |
__ bind(method_data_continue); |
1066 | 584 |
__ push(rdx); // set the mdp (method data pointer) |
1 | 585 |
} else { |
1066 | 586 |
__ push(0); |
1 | 587 |
} |
588 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
589 |
__ movptr(rdx, Address(rbx, Method::const_offset())); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
590 |
__ movptr(rdx, Address(rdx, ConstMethod::constants_offset())); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
591 |
__ movptr(rdx, Address(rdx, ConstantPool::cache_offset_in_bytes())); |
1066 | 592 |
__ push(rdx); // set constant pool cache |
593 |
__ push(r14); // set locals pointer |
|
1 | 594 |
if (native_call) { |
1066 | 595 |
__ push(0); // no bcp |
1 | 596 |
} else { |
1066 | 597 |
__ push(r13); // set bcp |
1 | 598 |
} |
1066 | 599 |
__ push(0); // reserve word for pointer to expression stack bottom |
600 |
__ movptr(Address(rsp, 0), rsp); // set expression stack bottom |
|
1 | 601 |
} |
602 |
||
603 |
// End of helpers |
|
604 |
||
9176
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
605 |
// Method entry for java.lang.ref.Reference.get. |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
606 |
address InterpreterGenerator::generate_Reference_get_entry(void) { |
15482
470d0b0c09f1
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
14745
diff
changeset
|
607 |
#if INCLUDE_ALL_GCS |
9176
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
608 |
// Code: _aload_0, _getfield, _areturn |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
609 |
// parameter size = 1 |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
610 |
// |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
611 |
// The code that gets generated by this routine is split into 2 parts: |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
612 |
// 1. The "intrinsified" code for G1 (or any SATB based GC), |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
613 |
// 2. The slow path - which is an expansion of the regular method entry. |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
614 |
// |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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changeset
|
615 |
// Notes:- |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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changeset
|
616 |
// * In the G1 code we do not check whether we need to block for |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
617 |
// a safepoint. If G1 is enabled then we must execute the specialized |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
618 |
// code for Reference.get (except when the Reference object is null) |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
619 |
// so that we can log the value in the referent field with an SATB |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
620 |
// update buffer. |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
621 |
// If the code for the getfield template is modified so that the |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
622 |
// G1 pre-barrier code is executed when the current method is |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
623 |
// Reference.get() then going through the normal method entry |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
624 |
// will be fine. |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
625 |
// * The G1 code can, however, check the receiver object (the instance |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
626 |
// of java.lang.Reference) and jump to the slow path if null. If the |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
627 |
// Reference object is null then we obviously cannot fetch the referent |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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changeset
|
628 |
// and so we don't need to call the G1 pre-barrier. Thus we can use the |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
629 |
// regular method entry code to generate the NPE. |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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changeset
|
630 |
// |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
631 |
// rbx: Method* |
9176
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
632 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
633 |
// r13: senderSP must preserve for slow path, set SP to it on fast path |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
634 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
635 |
address entry = __ pc(); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
636 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
637 |
const int referent_offset = java_lang_ref_Reference::referent_offset; |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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changeset
|
638 |
guarantee(referent_offset > 0, "referent offset not initialized"); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
639 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
640 |
if (UseG1GC) { |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
641 |
Label slow_path; |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
642 |
// rbx: method |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
643 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
644 |
// Check if local 0 != NULL |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
645 |
// If the receiver is null then it is OK to jump to the slow path. |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
646 |
__ movptr(rax, Address(rsp, wordSize)); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
647 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
648 |
__ testptr(rax, rax); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
649 |
__ jcc(Assembler::zero, slow_path); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
650 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
651 |
// rax: local 0 |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
652 |
// rbx: method (but can be used as scratch now) |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
653 |
// rdx: scratch |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
654 |
// rdi: scratch |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
655 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
656 |
// Generate the G1 pre-barrier code to log the value of |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
657 |
// the referent field in an SATB buffer. |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
658 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
659 |
// Load the value of the referent field. |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
660 |
const Address field_address(rax, referent_offset); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
661 |
__ load_heap_oop(rax, field_address); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
662 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
663 |
// Generate the G1 pre-barrier code to log the value of |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
664 |
// the referent field in an SATB buffer. |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
665 |
__ g1_write_barrier_pre(noreg /* obj */, |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
666 |
rax /* pre_val */, |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
667 |
r15_thread /* thread */, |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
668 |
rbx /* tmp */, |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
669 |
true /* tosca_live */, |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
670 |
true /* expand_call */); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
671 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
672 |
// _areturn |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
673 |
__ pop(rdi); // get return address |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
674 |
__ mov(rsp, r13); // set sp to sender sp |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
675 |
__ jmp(rdi); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
676 |
__ ret(0); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
677 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
678 |
// generate a vanilla interpreter entry as the slow path |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
679 |
__ bind(slow_path); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
680 |
(void) generate_normal_entry(false); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
681 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
682 |
return entry; |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
683 |
} |
15482
470d0b0c09f1
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
14745
diff
changeset
|
684 |
#endif // INCLUDE_ALL_GCS |
9176
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
685 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
686 |
// If G1 is not enabled then attempt to go through the accessor entry point |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
687 |
// Reference.get is an accessor |
25950
b5c40ed1d349
8003426: Remove UseFastAccessors and UseFastEmptyMethods except for zero
coleenp
parents:
25717
diff
changeset
|
688 |
return generate_jump_to_normal_entry(); |
9176
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
689 |
} |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
690 |
|
18507
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
691 |
/** |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
692 |
* Method entry for static native methods: |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
693 |
* int java.util.zip.CRC32.update(int crc, int b) |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
694 |
*/ |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
695 |
address InterpreterGenerator::generate_CRC32_update_entry() { |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
696 |
if (UseCRC32Intrinsics) { |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
697 |
address entry = __ pc(); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
698 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
699 |
// rbx,: Method* |
19329
eccb1e520c66
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
18507
diff
changeset
|
700 |
// r13: senderSP must preserved for slow path, set SP to it on fast path |
eccb1e520c66
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
18507
diff
changeset
|
701 |
// c_rarg0: scratch (rdi on non-Win64, rcx on Win64) |
eccb1e520c66
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
18507
diff
changeset
|
702 |
// c_rarg1: scratch (rsi on non-Win64, rdx on Win64) |
18507
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
703 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
704 |
Label slow_path; |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
705 |
// If we need a safepoint check, generate full interpreter entry. |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
706 |
ExternalAddress state(SafepointSynchronize::address_of_state()); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
707 |
__ cmp32(ExternalAddress(SafepointSynchronize::address_of_state()), |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
708 |
SafepointSynchronize::_not_synchronized); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
709 |
__ jcc(Assembler::notEqual, slow_path); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
710 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
711 |
// We don't generate local frame and don't align stack because |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
712 |
// we call stub code and there is no safepoint on this path. |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
713 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
714 |
// Load parameters |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
715 |
const Register crc = rax; // crc |
19329
eccb1e520c66
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
18507
diff
changeset
|
716 |
const Register val = c_rarg0; // source java byte value |
eccb1e520c66
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
18507
diff
changeset
|
717 |
const Register tbl = c_rarg1; // scratch |
18507
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
718 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
719 |
// Arguments are reversed on java expression stack |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
720 |
__ movl(val, Address(rsp, wordSize)); // byte value |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
721 |
__ movl(crc, Address(rsp, 2*wordSize)); // Initial CRC |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
722 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
723 |
__ lea(tbl, ExternalAddress(StubRoutines::crc_table_addr())); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
724 |
__ notl(crc); // ~crc |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
725 |
__ update_byte_crc32(crc, val, tbl); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
726 |
__ notl(crc); // ~crc |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
727 |
// result in rax |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
728 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
729 |
// _areturn |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
730 |
__ pop(rdi); // get return address |
19329
eccb1e520c66
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
18507
diff
changeset
|
731 |
__ mov(rsp, r13); // set sp to sender sp |
18507
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
732 |
__ jmp(rdi); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
733 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
734 |
// generate a vanilla native entry as the slow path |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
735 |
__ bind(slow_path); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
736 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
737 |
(void) generate_native_entry(false); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
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diff
changeset
|
738 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
739 |
return entry; |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
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diff
changeset
|
740 |
} |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
741 |
return generate_native_entry(false); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
742 |
} |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
743 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
744 |
/** |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
745 |
* Method entry for static native methods: |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
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diff
changeset
|
746 |
* int java.util.zip.CRC32.updateBytes(int crc, byte[] b, int off, int len) |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
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diff
changeset
|
747 |
* int java.util.zip.CRC32.updateByteBuffer(int crc, long buf, int off, int len) |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
748 |
*/ |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
749 |
address InterpreterGenerator::generate_CRC32_updateBytes_entry(AbstractInterpreter::MethodKind kind) { |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
750 |
if (UseCRC32Intrinsics) { |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
751 |
address entry = __ pc(); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
752 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
753 |
// rbx,: Method* |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
754 |
// r13: senderSP must preserved for slow path, set SP to it on fast path |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
755 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
756 |
Label slow_path; |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
757 |
// If we need a safepoint check, generate full interpreter entry. |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
758 |
ExternalAddress state(SafepointSynchronize::address_of_state()); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
759 |
__ cmp32(ExternalAddress(SafepointSynchronize::address_of_state()), |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
760 |
SafepointSynchronize::_not_synchronized); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
761 |
__ jcc(Assembler::notEqual, slow_path); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
762 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
763 |
// We don't generate local frame and don't align stack because |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
764 |
// we call stub code and there is no safepoint on this path. |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
765 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
766 |
// Load parameters |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
767 |
const Register crc = c_rarg0; // crc |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
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diff
changeset
|
768 |
const Register buf = c_rarg1; // source java byte array address |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
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diff
changeset
|
769 |
const Register len = c_rarg2; // length |
19329
eccb1e520c66
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
18507
diff
changeset
|
770 |
const Register off = len; // offset (never overlaps with 'len') |
18507
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
771 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
772 |
// Arguments are reversed on java expression stack |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
773 |
// Calculate address of start element |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
774 |
if (kind == Interpreter::java_util_zip_CRC32_updateByteBuffer) { |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
775 |
__ movptr(buf, Address(rsp, 3*wordSize)); // long buf |
19329
eccb1e520c66
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
18507
diff
changeset
|
776 |
__ movl2ptr(off, Address(rsp, 2*wordSize)); // offset |
eccb1e520c66
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
18507
diff
changeset
|
777 |
__ addq(buf, off); // + offset |
18507
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
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diff
changeset
|
778 |
__ movl(crc, Address(rsp, 5*wordSize)); // Initial CRC |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
779 |
} else { |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
780 |
__ movptr(buf, Address(rsp, 3*wordSize)); // byte[] array |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
781 |
__ addptr(buf, arrayOopDesc::base_offset_in_bytes(T_BYTE)); // + header size |
19329
eccb1e520c66
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
18507
diff
changeset
|
782 |
__ movl2ptr(off, Address(rsp, 2*wordSize)); // offset |
eccb1e520c66
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
18507
diff
changeset
|
783 |
__ addq(buf, off); // + offset |
18507
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
784 |
__ movl(crc, Address(rsp, 4*wordSize)); // Initial CRC |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
785 |
} |
19329
eccb1e520c66
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
18507
diff
changeset
|
786 |
// Can now load 'len' since we're finished with 'off' |
eccb1e520c66
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
18507
diff
changeset
|
787 |
__ movl(len, Address(rsp, wordSize)); // Length |
18507
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
788 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
789 |
__ super_call_VM_leaf(CAST_FROM_FN_PTR(address, StubRoutines::updateBytesCRC32()), crc, buf, len); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
790 |
// result in rax |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
791 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
792 |
// _areturn |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
793 |
__ pop(rdi); // get return address |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
794 |
__ mov(rsp, r13); // set sp to sender sp |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
795 |
__ jmp(rdi); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
796 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
797 |
// generate a vanilla native entry as the slow path |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
798 |
__ bind(slow_path); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
799 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
800 |
(void) generate_native_entry(false); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
801 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
802 |
return entry; |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
803 |
} |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
804 |
return generate_native_entry(false); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
805 |
} |
9176
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
806 |
|
1 | 807 |
// Interpreter stub for calling a native method. (asm interpreter) |
808 |
// This sets up a somewhat different looking stack for calling the |
|
809 |
// native method than the typical interpreter frame setup. |
|
810 |
address InterpreterGenerator::generate_native_entry(bool synchronized) { |
|
811 |
// determine code generation flags |
|
31790 | 812 |
bool inc_counter = UseCompiler || CountCompiledCalls || LogTouchedMethods; |
1 | 813 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
814 |
// rbx: Method* |
1 | 815 |
// r13: sender sp |
816 |
||
817 |
address entry_point = __ pc(); |
|
818 |
||
14745
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
819 |
const Address constMethod (rbx, Method::const_offset()); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
820 |
const Address access_flags (rbx, Method::access_flags_offset()); |
14745
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
821 |
const Address size_of_parameters(rcx, ConstMethod:: |
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
822 |
size_of_parameters_offset()); |
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
823 |
|
1 | 824 |
|
825 |
// get parameter size (always needed) |
|
14745
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
826 |
__ movptr(rcx, constMethod); |
2148
09c7f703773b
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents:
2131
diff
changeset
|
827 |
__ load_unsigned_short(rcx, size_of_parameters); |
1 | 828 |
|
829 |
// native calls don't need the stack size check since they have no |
|
830 |
// expression stack and the arguments are already on the stack and |
|
831 |
// we only add a handful of words to the stack |
|
832 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
833 |
// rbx: Method* |
1 | 834 |
// rcx: size of parameters |
835 |
// r13: sender sp |
|
1066 | 836 |
__ pop(rax); // get return address |
1 | 837 |
|
838 |
// for natives the size of locals is zero |
|
839 |
||
840 |
// compute beginning of parameters (r14) |
|
1066 | 841 |
__ lea(r14, Address(rsp, rcx, Address::times_8, -wordSize)); |
1 | 842 |
|
843 |
// add 2 zero-initialized slots for native calls |
|
844 |
// initialize result_handler slot |
|
1066 | 845 |
__ push((int) NULL_WORD); |
1 | 846 |
// slot for oop temp |
847 |
// (static native method holder mirror/jni oop result) |
|
1066 | 848 |
__ push((int) NULL_WORD); |
1 | 849 |
|
850 |
// initialize fixed part of activation frame |
|
851 |
generate_fixed_frame(true); |
|
852 |
||
853 |
// make sure method is native & not abstract |
|
854 |
#ifdef ASSERT |
|
855 |
__ movl(rax, access_flags); |
|
856 |
{ |
|
857 |
Label L; |
|
858 |
__ testl(rax, JVM_ACC_NATIVE); |
|
859 |
__ jcc(Assembler::notZero, L); |
|
860 |
__ stop("tried to execute non-native method as native"); |
|
861 |
__ bind(L); |
|
862 |
} |
|
863 |
{ |
|
864 |
Label L; |
|
865 |
__ testl(rax, JVM_ACC_ABSTRACT); |
|
866 |
__ jcc(Assembler::zero, L); |
|
867 |
__ stop("tried to execute abstract method in interpreter"); |
|
868 |
__ bind(L); |
|
869 |
} |
|
870 |
#endif |
|
871 |
||
872 |
// Since at this point in the method invocation the exception handler |
|
873 |
// would try to exit the monitor of synchronized methods which hasn't |
|
874 |
// been entered yet, we set the thread local variable |
|
875 |
// _do_not_unlock_if_synchronized to true. The remove_activation will |
|
876 |
// check this flag. |
|
877 |
||
878 |
const Address do_not_unlock_if_synchronized(r15_thread, |
|
879 |
in_bytes(JavaThread::do_not_unlock_if_synchronized_offset())); |
|
880 |
__ movbool(do_not_unlock_if_synchronized, true); |
|
881 |
||
882 |
// increment invocation count & check for overflow |
|
883 |
Label invocation_counter_overflow; |
|
884 |
if (inc_counter) { |
|
885 |
generate_counter_incr(&invocation_counter_overflow, NULL, NULL); |
|
886 |
} |
|
887 |
||
888 |
Label continue_after_compile; |
|
889 |
__ bind(continue_after_compile); |
|
890 |
||
891 |
bang_stack_shadow_pages(true); |
|
892 |
||
893 |
// reset the _do_not_unlock_if_synchronized flag |
|
894 |
__ movbool(do_not_unlock_if_synchronized, false); |
|
895 |
||
896 |
// check for synchronized methods |
|
897 |
// Must happen AFTER invocation_counter check and stack overflow check, |
|
898 |
// so method is not locked if overflows. |
|
899 |
if (synchronized) { |
|
900 |
lock_method(); |
|
901 |
} else { |
|
902 |
// no synchronization necessary |
|
903 |
#ifdef ASSERT |
|
904 |
{ |
|
905 |
Label L; |
|
906 |
__ movl(rax, access_flags); |
|
907 |
__ testl(rax, JVM_ACC_SYNCHRONIZED); |
|
908 |
__ jcc(Assembler::zero, L); |
|
909 |
__ stop("method needs synchronization"); |
|
910 |
__ bind(L); |
|
911 |
} |
|
912 |
#endif |
|
913 |
} |
|
914 |
||
915 |
// start execution |
|
916 |
#ifdef ASSERT |
|
917 |
{ |
|
918 |
Label L; |
|
919 |
const Address monitor_block_top(rbp, |
|
920 |
frame::interpreter_frame_monitor_block_top_offset * wordSize); |
|
1066 | 921 |
__ movptr(rax, monitor_block_top); |
922 |
__ cmpptr(rax, rsp); |
|
1 | 923 |
__ jcc(Assembler::equal, L); |
924 |
__ stop("broken stack frame setup in interpreter"); |
|
925 |
__ bind(L); |
|
926 |
} |
|
927 |
#endif |
|
928 |
||
929 |
// jvmti support |
|
930 |
__ notify_method_entry(); |
|
931 |
||
932 |
// work registers |
|
933 |
const Register method = rbx; |
|
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
934 |
const Register t = r11; |
1 | 935 |
|
936 |
// allocate space for parameters |
|
937 |
__ get_method(method); |
|
14745
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
938 |
__ movptr(t, Address(method, Method::const_offset())); |
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
939 |
__ load_unsigned_short(t, Address(t, ConstMethod::size_of_parameters_offset())); |
5419 | 940 |
__ shll(t, Interpreter::logStackElementSize); |
1 | 941 |
|
1066 | 942 |
__ subptr(rsp, t); |
943 |
__ subptr(rsp, frame::arg_reg_save_area_bytes); // windows |
|
2131 | 944 |
__ andptr(rsp, -16); // must be 16 byte boundary (see amd64 ABI) |
1 | 945 |
|
946 |
// get signature handler |
|
947 |
{ |
|
948 |
Label L; |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
949 |
__ movptr(t, Address(method, Method::signature_handler_offset())); |
1066 | 950 |
__ testptr(t, t); |
1 | 951 |
__ jcc(Assembler::notZero, L); |
952 |
__ call_VM(noreg, |
|
953 |
CAST_FROM_FN_PTR(address, |
|
954 |
InterpreterRuntime::prepare_native_call), |
|
955 |
method); |
|
956 |
__ get_method(method); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
957 |
__ movptr(t, Address(method, Method::signature_handler_offset())); |
1 | 958 |
__ bind(L); |
959 |
} |
|
960 |
||
961 |
// call signature handler |
|
962 |
assert(InterpreterRuntime::SignatureHandlerGenerator::from() == r14, |
|
963 |
"adjust this code"); |
|
964 |
assert(InterpreterRuntime::SignatureHandlerGenerator::to() == rsp, |
|
965 |
"adjust this code"); |
|
966 |
assert(InterpreterRuntime::SignatureHandlerGenerator::temp() == rscratch1, |
|
967 |
"adjust this code"); |
|
968 |
||
969 |
// The generated handlers do not touch RBX (the method oop). |
|
970 |
// However, large signatures cannot be cached and are generated |
|
971 |
// each time here. The slow-path generator can do a GC on return, |
|
972 |
// so we must reload it after the call. |
|
973 |
__ call(t); |
|
974 |
__ get_method(method); // slow path can do a GC, reload RBX |
|
975 |
||
976 |
||
977 |
// result handler is in rax |
|
978 |
// set result handler |
|
1066 | 979 |
__ movptr(Address(rbp, |
980 |
(frame::interpreter_frame_result_handler_offset) * wordSize), |
|
981 |
rax); |
|
1 | 982 |
|
983 |
// pass mirror handle if static call |
|
984 |
{ |
|
985 |
Label L; |
|
11430
718fc06da49a
7118863: Move sizeof(klassOopDesc) into the *Klass::*_offset_in_bytes() functions
stefank
parents:
10966
diff
changeset
|
986 |
const int mirror_offset = in_bytes(Klass::java_mirror_offset()); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
987 |
__ movl(t, Address(method, Method::access_flags_offset())); |
1 | 988 |
__ testl(t, JVM_ACC_STATIC); |
989 |
__ jcc(Assembler::zero, L); |
|
990 |
// get mirror |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
991 |
__ movptr(t, Address(method, Method::const_offset())); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
992 |
__ movptr(t, Address(t, ConstMethod::constants_offset())); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
993 |
__ movptr(t, Address(t, ConstantPool::pool_holder_offset_in_bytes())); |
1066 | 994 |
__ movptr(t, Address(t, mirror_offset)); |
1 | 995 |
// copy mirror into activation frame |
1066 | 996 |
__ movptr(Address(rbp, frame::interpreter_frame_oop_temp_offset * wordSize), |
1 | 997 |
t); |
998 |
// pass handle to mirror |
|
1066 | 999 |
__ lea(c_rarg1, |
1000 |
Address(rbp, frame::interpreter_frame_oop_temp_offset * wordSize)); |
|
1 | 1001 |
__ bind(L); |
1002 |
} |
|
1003 |
||
1004 |
// get native function entry point |
|
1005 |
{ |
|
1006 |
Label L; |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1007 |
__ movptr(rax, Address(method, Method::native_function_offset())); |
1 | 1008 |
ExternalAddress unsatisfied(SharedRuntime::native_method_throw_unsatisfied_link_error_entry()); |
1009 |
__ movptr(rscratch2, unsatisfied.addr()); |
|
1066 | 1010 |
__ cmpptr(rax, rscratch2); |
1 | 1011 |
__ jcc(Assembler::notEqual, L); |
1012 |
__ call_VM(noreg, |
|
1013 |
CAST_FROM_FN_PTR(address, |
|
1014 |
InterpreterRuntime::prepare_native_call), |
|
1015 |
method); |
|
1016 |
__ get_method(method); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1017 |
__ movptr(rax, Address(method, Method::native_function_offset())); |
1 | 1018 |
__ bind(L); |
1019 |
} |
|
1020 |
||
1021 |
// pass JNIEnv |
|
1066 | 1022 |
__ lea(c_rarg0, Address(r15_thread, JavaThread::jni_environment_offset())); |
1 | 1023 |
|
1024 |
// It is enough that the pc() points into the right code |
|
1025 |
// segment. It does not have to be the correct return pc. |
|
1026 |
__ set_last_Java_frame(rsp, rbp, (address) __ pc()); |
|
1027 |
||
1028 |
// change thread state |
|
1029 |
#ifdef ASSERT |
|
1030 |
{ |
|
1031 |
Label L; |
|
1032 |
__ movl(t, Address(r15_thread, JavaThread::thread_state_offset())); |
|
1033 |
__ cmpl(t, _thread_in_Java); |
|
1034 |
__ jcc(Assembler::equal, L); |
|
1035 |
__ stop("Wrong thread state in native stub"); |
|
1036 |
__ bind(L); |
|
1037 |
} |
|
1038 |
#endif |
|
1039 |
||
1040 |
// Change state to native |
|
1041 |
||
1042 |
__ movl(Address(r15_thread, JavaThread::thread_state_offset()), |
|
1043 |
_thread_in_native); |
|
1044 |
||
1045 |
// Call the native method. |
|
1046 |
__ call(rax); |
|
1047 |
// result potentially in rax or xmm0 |
|
1048 |
||
16624
9dbd4b210bf9
8011102: Clear AVX registers after return from JNI call
kvn
parents:
15943
diff
changeset
|
1049 |
// Verify or restore cpu control state after JNI call |
9dbd4b210bf9
8011102: Clear AVX registers after return from JNI call
kvn
parents:
15943
diff
changeset
|
1050 |
__ restore_cpu_control_state_after_jni(); |
1 | 1051 |
|
1052 |
// NOTE: The order of these pushes is known to frame::interpreter_frame_result |
|
1053 |
// in order to extract the result of a method call. If the order of these |
|
1054 |
// pushes change or anything else is added to the stack then the code in |
|
1055 |
// interpreter_frame_result must also change. |
|
1056 |
||
1057 |
__ push(dtos); |
|
1058 |
__ push(ltos); |
|
1059 |
||
1060 |
// change thread state |
|
1061 |
__ movl(Address(r15_thread, JavaThread::thread_state_offset()), |
|
1062 |
_thread_in_native_trans); |
|
1063 |
||
1064 |
if (os::is_MP()) { |
|
1065 |
if (UseMembar) { |
|
1066 |
// Force this write out before the read below |
|
1067 |
__ membar(Assembler::Membar_mask_bits( |
|
1068 |
Assembler::LoadLoad | Assembler::LoadStore | |
|
1069 |
Assembler::StoreLoad | Assembler::StoreStore)); |
|
1070 |
} else { |
|
1071 |
// Write serialization page so VM thread can do a pseudo remote membar. |
|
1072 |
// We use the current thread pointer to calculate a thread specific |
|
1073 |
// offset to write to within the page. This minimizes bus traffic |
|
1074 |
// due to cache line collision. |
|
1075 |
__ serialize_memory(r15_thread, rscratch2); |
|
1076 |
} |
|
1077 |
} |
|
1078 |
||
1079 |
// check for safepoint operation in progress and/or pending suspend requests |
|
1080 |
{ |
|
1081 |
Label Continue; |
|
1082 |
__ cmp32(ExternalAddress(SafepointSynchronize::address_of_state()), |
|
1083 |
SafepointSynchronize::_not_synchronized); |
|
1084 |
||
1085 |
Label L; |
|
1086 |
__ jcc(Assembler::notEqual, L); |
|
1087 |
__ cmpl(Address(r15_thread, JavaThread::suspend_flags_offset()), 0); |
|
1088 |
__ jcc(Assembler::equal, Continue); |
|
1089 |
__ bind(L); |
|
1090 |
||
1091 |
// Don't use call_VM as it will see a possible pending exception |
|
1092 |
// and forward it and never return here preventing us from |
|
1093 |
// clearing _last_native_pc down below. Also can't use |
|
1094 |
// call_VM_leaf either as it will check to see if r13 & r14 are |
|
1095 |
// preserved and correspond to the bcp/locals pointers. So we do a |
|
1096 |
// runtime call by hand. |
|
1097 |
// |
|
1066 | 1098 |
__ mov(c_rarg0, r15_thread); |
7401
ebde7415b521
6780143: hs203t003 hits SIGSEGV/EXCEPTION_ACCESS_VIOLATION with -XX:+UseCompressedOops
coleenp
parents:
7397
diff
changeset
|
1099 |
__ mov(r12, rsp); // remember sp (can only use r12 if not using call_VM) |
1066 | 1100 |
__ subptr(rsp, frame::arg_reg_save_area_bytes); // windows |
1101 |
__ andptr(rsp, -16); // align stack as required by ABI |
|
1 | 1102 |
__ call(RuntimeAddress(CAST_FROM_FN_PTR(address, JavaThread::check_special_condition_for_native_trans))); |
1066 | 1103 |
__ mov(rsp, r12); // restore sp |
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
1104 |
__ reinit_heapbase(); |
1 | 1105 |
__ bind(Continue); |
1106 |
} |
|
1107 |
||
1108 |
// change thread state |
|
1109 |
__ movl(Address(r15_thread, JavaThread::thread_state_offset()), _thread_in_Java); |
|
1110 |
||
1111 |
// reset_last_Java_frame |
|
1112 |
__ reset_last_Java_frame(true, true); |
|
1113 |
||
1114 |
// reset handle block |
|
1066 | 1115 |
__ movptr(t, Address(r15_thread, JavaThread::active_handles_offset())); |
23844
0c29a324ae14
8039146: Fix 64-bit store to int JNIHandleBlock::_top
goetz
parents:
21198
diff
changeset
|
1116 |
__ movl(Address(t, JNIHandleBlock::top_offset_in_bytes()), (int32_t)NULL_WORD); |
1 | 1117 |
|
1118 |
// If result is an oop unbox and store it in frame where gc will see it |
|
1119 |
// and result handler will pick it up |
|
1120 |
||
1121 |
{ |
|
1122 |
Label no_oop, store_result; |
|
1123 |
__ lea(t, ExternalAddress(AbstractInterpreter::result_handler(T_OBJECT))); |
|
1066 | 1124 |
__ cmpptr(t, Address(rbp, frame::interpreter_frame_result_handler_offset*wordSize)); |
1 | 1125 |
__ jcc(Assembler::notEqual, no_oop); |
1126 |
// retrieve result |
|
1127 |
__ pop(ltos); |
|
1066 | 1128 |
__ testptr(rax, rax); |
1 | 1129 |
__ jcc(Assembler::zero, store_result); |
1066 | 1130 |
__ movptr(rax, Address(rax, 0)); |
1 | 1131 |
__ bind(store_result); |
1066 | 1132 |
__ movptr(Address(rbp, frame::interpreter_frame_oop_temp_offset*wordSize), rax); |
1 | 1133 |
// keep stack depth as expected by pushing oop which will eventually be discarde |
1134 |
__ push(ltos); |
|
1135 |
__ bind(no_oop); |
|
1136 |
} |
|
1137 |
||
1138 |
||
1139 |
{ |
|
1140 |
Label no_reguard; |
|
1141 |
__ cmpl(Address(r15_thread, JavaThread::stack_guard_state_offset()), |
|
1142 |
JavaThread::stack_guard_yellow_disabled); |
|
1143 |
__ jcc(Assembler::notEqual, no_reguard); |
|
1144 |
||
1066 | 1145 |
__ pusha(); // XXX only save smashed registers |
7401
ebde7415b521
6780143: hs203t003 hits SIGSEGV/EXCEPTION_ACCESS_VIOLATION with -XX:+UseCompressedOops
coleenp
parents:
7397
diff
changeset
|
1146 |
__ mov(r12, rsp); // remember sp (can only use r12 if not using call_VM) |
1066 | 1147 |
__ subptr(rsp, frame::arg_reg_save_area_bytes); // windows |
1148 |
__ andptr(rsp, -16); // align stack as required by ABI |
|
1 | 1149 |
__ call(RuntimeAddress(CAST_FROM_FN_PTR(address, SharedRuntime::reguard_yellow_pages))); |
1066 | 1150 |
__ mov(rsp, r12); // restore sp |
1151 |
__ popa(); // XXX only restore smashed registers |
|
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
1152 |
__ reinit_heapbase(); |
1 | 1153 |
|
1154 |
__ bind(no_reguard); |
|
1155 |
} |
|
1156 |
||
1157 |
||
1158 |
// The method register is junk from after the thread_in_native transition |
|
1159 |
// until here. Also can't call_VM until the bcp has been |
|
1160 |
// restored. Need bcp for throwing exception below so get it now. |
|
1161 |
__ get_method(method); |
|
1162 |
||
1163 |
// restore r13 to have legal interpreter frame, i.e., bci == 0 <=> |
|
1164 |
// r13 == code_base() |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1165 |
__ movptr(r13, Address(method, Method::const_offset())); // get ConstMethod* |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1166 |
__ lea(r13, Address(r13, ConstMethod::codes_offset())); // get codebase |
1 | 1167 |
// handle exceptions (exception handling will handle unlocking!) |
1168 |
{ |
|
1169 |
Label L; |
|
1066 | 1170 |
__ cmpptr(Address(r15_thread, Thread::pending_exception_offset()), (int32_t) NULL_WORD); |
1 | 1171 |
__ jcc(Assembler::zero, L); |
1172 |
// Note: At some point we may want to unify this with the code |
|
1173 |
// used in call_VM_base(); i.e., we should use the |
|
1174 |
// StubRoutines::forward_exception code. For now this doesn't work |
|
1175 |
// here because the rsp is not correctly set at this point. |
|
1176 |
__ MacroAssembler::call_VM(noreg, |
|
1177 |
CAST_FROM_FN_PTR(address, |
|
1178 |
InterpreterRuntime::throw_pending_exception)); |
|
1179 |
__ should_not_reach_here(); |
|
1180 |
__ bind(L); |
|
1181 |
} |
|
1182 |
||
1183 |
// do unlocking if necessary |
|
1184 |
{ |
|
1185 |
Label L; |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1186 |
__ movl(t, Address(method, Method::access_flags_offset())); |
1 | 1187 |
__ testl(t, JVM_ACC_SYNCHRONIZED); |
1188 |
__ jcc(Assembler::zero, L); |
|
1189 |
// the code below should be shared with interpreter macro |
|
1190 |
// assembler implementation |
|
1191 |
{ |
|
1192 |
Label unlock; |
|
1193 |
// BasicObjectLock will be first in list, since this is a |
|
1194 |
// synchronized method. However, need to check that the object |
|
1195 |
// has not been unlocked by an explicit monitorexit bytecode. |
|
1196 |
const Address monitor(rbp, |
|
1197 |
(intptr_t)(frame::interpreter_frame_initial_sp_offset * |
|
1198 |
wordSize - sizeof(BasicObjectLock))); |
|
1199 |
||
1200 |
// monitor expect in c_rarg1 for slow unlock path |
|
1066 | 1201 |
__ lea(c_rarg1, monitor); // address of first monitor |
1 | 1202 |
|
1066 | 1203 |
__ movptr(t, Address(c_rarg1, BasicObjectLock::obj_offset_in_bytes())); |
1204 |
__ testptr(t, t); |
|
1 | 1205 |
__ jcc(Assembler::notZero, unlock); |
1206 |
||
1207 |
// Entry already unlocked, need to throw exception |
|
1208 |
__ MacroAssembler::call_VM(noreg, |
|
1209 |
CAST_FROM_FN_PTR(address, |
|
1210 |
InterpreterRuntime::throw_illegal_monitor_state_exception)); |
|
1211 |
__ should_not_reach_here(); |
|
1212 |
||
1213 |
__ bind(unlock); |
|
1214 |
__ unlock_object(c_rarg1); |
|
1215 |
} |
|
1216 |
__ bind(L); |
|
1217 |
} |
|
1218 |
||
1219 |
// jvmti support |
|
1220 |
// Note: This must happen _after_ handling/throwing any exceptions since |
|
1221 |
// the exception handler code notifies the runtime of method exits |
|
1222 |
// too. If this happens before, method entry/exit notifications are |
|
1223 |
// not properly paired (was bug - gri 11/22/99). |
|
1224 |
__ notify_method_exit(vtos, InterpreterMacroAssembler::NotifyJVMTI); |
|
1225 |
||
1226 |
// restore potential result in edx:eax, call result handler to |
|
1227 |
// restore potential result in ST0 & handle result |
|
1228 |
||
1229 |
__ pop(ltos); |
|
1230 |
__ pop(dtos); |
|
1231 |
||
1066 | 1232 |
__ movptr(t, Address(rbp, |
1233 |
(frame::interpreter_frame_result_handler_offset) * wordSize)); |
|
1 | 1234 |
__ call(t); |
1235 |
||
1236 |
// remove activation |
|
1066 | 1237 |
__ movptr(t, Address(rbp, |
1238 |
frame::interpreter_frame_sender_sp_offset * |
|
1239 |
wordSize)); // get sender sp |
|
1 | 1240 |
__ leave(); // remove frame anchor |
1066 | 1241 |
__ pop(rdi); // get return address |
1242 |
__ mov(rsp, t); // set sp to sender sp |
|
1 | 1243 |
__ jmp(rdi); |
1244 |
||
1245 |
if (inc_counter) { |
|
1246 |
// Handle overflow of counter and compile method |
|
1247 |
__ bind(invocation_counter_overflow); |
|
1248 |
generate_counter_overflow(&continue_after_compile); |
|
1249 |
} |
|
1250 |
||
1251 |
return entry_point; |
|
1252 |
} |
|
1253 |
||
1254 |
// |
|
1255 |
// Generic interpreted method entry to (asm) interpreter |
|
1256 |
// |
|
1257 |
address InterpreterGenerator::generate_normal_entry(bool synchronized) { |
|
1258 |
// determine code generation flags |
|
31790 | 1259 |
bool inc_counter = UseCompiler || CountCompiledCalls || LogTouchedMethods; |
1 | 1260 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1261 |
// ebx: Method* |
1 | 1262 |
// r13: sender sp |
1263 |
address entry_point = __ pc(); |
|
1264 |
||
14745
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
1265 |
const Address constMethod(rbx, Method::const_offset()); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1266 |
const Address access_flags(rbx, Method::access_flags_offset()); |
14745
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
1267 |
const Address size_of_parameters(rdx, |
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
1268 |
ConstMethod::size_of_parameters_offset()); |
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
1269 |
const Address size_of_locals(rdx, ConstMethod::size_of_locals_offset()); |
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
1270 |
|
1 | 1271 |
|
1272 |
// get parameter size (always needed) |
|
14745
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
1273 |
__ movptr(rdx, constMethod); |
2148
09c7f703773b
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents:
2131
diff
changeset
|
1274 |
__ load_unsigned_short(rcx, size_of_parameters); |
1 | 1275 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1276 |
// rbx: Method* |
1 | 1277 |
// rcx: size of parameters |
1278 |
// r13: sender_sp (could differ from sp+wordSize if we were called via c2i ) |
|
1279 |
||
2148
09c7f703773b
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents:
2131
diff
changeset
|
1280 |
__ load_unsigned_short(rdx, size_of_locals); // get size of locals in words |
1 | 1281 |
__ subl(rdx, rcx); // rdx = no. of additional locals |
1282 |
||
1283 |
// YYY |
|
1284 |
// __ incrementl(rdx); |
|
1285 |
// __ andl(rdx, -2); |
|
1286 |
||
1287 |
// see if we've got enough room on the stack for locals plus overhead. |
|
1288 |
generate_stack_overflow_check(); |
|
1289 |
||
1290 |
// get return address |
|
1066 | 1291 |
__ pop(rax); |
1 | 1292 |
|
1293 |
// compute beginning of parameters (r14) |
|
1066 | 1294 |
__ lea(r14, Address(rsp, rcx, Address::times_8, -wordSize)); |
1 | 1295 |
|
1296 |
// rdx - # of additional locals |
|
1297 |
// allocate space for locals |
|
1298 |
// explicitly initialize locals |
|
1299 |
{ |
|
1300 |
Label exit, loop; |
|
1301 |
__ testl(rdx, rdx); |
|
1302 |
__ jcc(Assembler::lessEqual, exit); // do nothing if rdx <= 0 |
|
1303 |
__ bind(loop); |
|
1066 | 1304 |
__ push((int) NULL_WORD); // initialize local variables |
1 | 1305 |
__ decrementl(rdx); // until everything initialized |
1306 |
__ jcc(Assembler::greater, loop); |
|
1307 |
__ bind(exit); |
|
1308 |
} |
|
1309 |
||
1310 |
// initialize fixed part of activation frame |
|
1311 |
generate_fixed_frame(false); |
|
1312 |
||
1313 |
// make sure method is not native & not abstract |
|
1314 |
#ifdef ASSERT |
|
1315 |
__ movl(rax, access_flags); |
|
1316 |
{ |
|
1317 |
Label L; |
|
1318 |
__ testl(rax, JVM_ACC_NATIVE); |
|
1319 |
__ jcc(Assembler::zero, L); |
|
1320 |
__ stop("tried to execute native method as non-native"); |
|
1321 |
__ bind(L); |
|
1322 |
} |
|
1323 |
{ |
|
1324 |
Label L; |
|
1325 |
__ testl(rax, JVM_ACC_ABSTRACT); |
|
1326 |
__ jcc(Assembler::zero, L); |
|
1327 |
__ stop("tried to execute abstract method in interpreter"); |
|
1328 |
__ bind(L); |
|
1329 |
} |
|
1330 |
#endif |
|
1331 |
||
1332 |
// Since at this point in the method invocation the exception |
|
1333 |
// handler would try to exit the monitor of synchronized methods |
|
1334 |
// which hasn't been entered yet, we set the thread local variable |
|
1335 |
// _do_not_unlock_if_synchronized to true. The remove_activation |
|
1336 |
// will check this flag. |
|
1337 |
||
1338 |
const Address do_not_unlock_if_synchronized(r15_thread, |
|
1339 |
in_bytes(JavaThread::do_not_unlock_if_synchronized_offset())); |
|
1340 |
__ movbool(do_not_unlock_if_synchronized, true); |
|
1341 |
||
21095
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1342 |
__ profile_parameters_type(rax, rcx, rdx); |
1 | 1343 |
// increment invocation count & check for overflow |
1344 |
Label invocation_counter_overflow; |
|
1345 |
Label profile_method; |
|
1346 |
Label profile_method_continue; |
|
1347 |
if (inc_counter) { |
|
1348 |
generate_counter_incr(&invocation_counter_overflow, |
|
1349 |
&profile_method, |
|
1350 |
&profile_method_continue); |
|
1351 |
if (ProfileInterpreter) { |
|
1352 |
__ bind(profile_method_continue); |
|
1353 |
} |
|
1354 |
} |
|
1355 |
||
1356 |
Label continue_after_compile; |
|
1357 |
__ bind(continue_after_compile); |
|
1358 |
||
1359 |
// check for synchronized interpreted methods |
|
1360 |
bang_stack_shadow_pages(false); |
|
1361 |
||
1362 |
// reset the _do_not_unlock_if_synchronized flag |
|
1363 |
__ movbool(do_not_unlock_if_synchronized, false); |
|
1364 |
||
1365 |
// check for synchronized methods |
|
1366 |
// Must happen AFTER invocation_counter check and stack overflow check, |
|
1367 |
// so method is not locked if overflows. |
|
1368 |
if (synchronized) { |
|
1369 |
// Allocate monitor and lock method |
|
1370 |
lock_method(); |
|
1371 |
} else { |
|
1372 |
// no synchronization necessary |
|
1373 |
#ifdef ASSERT |
|
1374 |
{ |
|
1375 |
Label L; |
|
1376 |
__ movl(rax, access_flags); |
|
1377 |
__ testl(rax, JVM_ACC_SYNCHRONIZED); |
|
1378 |
__ jcc(Assembler::zero, L); |
|
1379 |
__ stop("method needs synchronization"); |
|
1380 |
__ bind(L); |
|
1381 |
} |
|
1382 |
#endif |
|
1383 |
} |
|
1384 |
||
1385 |
// start execution |
|
1386 |
#ifdef ASSERT |
|
1387 |
{ |
|
1388 |
Label L; |
|
1389 |
const Address monitor_block_top (rbp, |
|
1390 |
frame::interpreter_frame_monitor_block_top_offset * wordSize); |
|
1066 | 1391 |
__ movptr(rax, monitor_block_top); |
1392 |
__ cmpptr(rax, rsp); |
|
1 | 1393 |
__ jcc(Assembler::equal, L); |
1394 |
__ stop("broken stack frame setup in interpreter"); |
|
1395 |
__ bind(L); |
|
1396 |
} |
|
1397 |
#endif |
|
1398 |
||
1399 |
// jvmti support |
|
1400 |
__ notify_method_entry(); |
|
1401 |
||
1402 |
__ dispatch_next(vtos); |
|
1403 |
||
1404 |
// invocation counter overflow |
|
1405 |
if (inc_counter) { |
|
1406 |
if (ProfileInterpreter) { |
|
1407 |
// We have decided to profile this method in the interpreter |
|
1408 |
__ bind(profile_method); |
|
7889
02144432d0e1
4930919: race condition in MDO creation at back branch locations
iveresov
parents:
7401
diff
changeset
|
1409 |
__ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::profile_method)); |
02144432d0e1
4930919: race condition in MDO creation at back branch locations
iveresov
parents:
7401
diff
changeset
|
1410 |
__ set_method_data_pointer_for_bcp(); |
7912
6d73dee171ea
7012766: assert(false) failed: DEBUG MESSAGE in MacroAssembler::debug32
iveresov
parents:
7889
diff
changeset
|
1411 |
__ get_method(rbx); |
1 | 1412 |
__ jmp(profile_method_continue); |
1413 |
} |
|
1414 |
// Handle overflow of counter and compile method |
|
1415 |
__ bind(invocation_counter_overflow); |
|
1416 |
generate_counter_overflow(&continue_after_compile); |
|
1417 |
} |
|
1418 |
||
1419 |
return entry_point; |
|
1420 |
} |
|
1421 |
||
1422 |
||
4645
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1423 |
// These should never be compiled since the interpreter will prefer |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1424 |
// the compiled version to the intrinsic version. |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1425 |
bool AbstractInterpreter::can_be_compiled(methodHandle m) { |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1426 |
switch (method_kind(m)) { |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1427 |
case Interpreter::java_lang_math_sin : // fall thru |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1428 |
case Interpreter::java_lang_math_cos : // fall thru |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1429 |
case Interpreter::java_lang_math_tan : // fall thru |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1430 |
case Interpreter::java_lang_math_abs : // fall thru |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1431 |
case Interpreter::java_lang_math_log : // fall thru |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1432 |
case Interpreter::java_lang_math_log10 : // fall thru |
12739
09f26b73ae66
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
11439
diff
changeset
|
1433 |
case Interpreter::java_lang_math_sqrt : // fall thru |
09f26b73ae66
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
11439
diff
changeset
|
1434 |
case Interpreter::java_lang_math_pow : // fall thru |
09f26b73ae66
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
11439
diff
changeset
|
1435 |
case Interpreter::java_lang_math_exp : |
4645
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1436 |
return false; |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1437 |
default: |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1438 |
return true; |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1439 |
} |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1440 |
} |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1441 |
|
1 | 1442 |
// How much stack a method activation needs in words. |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1443 |
int AbstractInterpreter::size_top_interpreter_activation(Method* method) { |
1 | 1444 |
const int entry_size = frame::interpreter_frame_monitor_size(); |
1445 |
||
1446 |
// total overhead size: entry_size + (saved rbp thru expr stack |
|
1447 |
// bottom). be sure to change this if you add/subtract anything |
|
1448 |
// to/from the overhead area |
|
1449 |
const int overhead_size = |
|
1450 |
-(frame::interpreter_frame_initial_sp_offset) + entry_size; |
|
1451 |
||
1452 |
const int stub_code = frame::entry_frame_after_call_words; |
|
17875
9d4aa49a1d76
8010460: Interpreter on some platforms loads ConstMethod::_max_stack and misses extra stack slots for JSR 292
roland
parents:
17037
diff
changeset
|
1453 |
const int method_stack = (method->max_locals() + method->max_stack()) * |
5419 | 1454 |
Interpreter::stackElementWords; |
1 | 1455 |
return (overhead_size + method_stack + stub_code); |
1456 |
} |
|
1457 |
||
1458 |
//----------------------------------------------------------------------------- |
|
1459 |
// Exceptions |
|
1460 |
||
1461 |
void TemplateInterpreterGenerator::generate_throw_exception() { |
|
1462 |
// Entry point in previous activation (i.e., if the caller was |
|
1463 |
// interpreted) |
|
1464 |
Interpreter::_rethrow_exception_entry = __ pc(); |
|
1465 |
// Restore sp to interpreter_frame_last_sp even though we are going |
|
1466 |
// to empty the expression stack for the exception processing. |
|
1066 | 1467 |
__ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
1 | 1468 |
// rax: exception |
1469 |
// rdx: return address/pc that threw exception |
|
1470 |
__ restore_bcp(); // r13 points to call/send |
|
1471 |
__ restore_locals(); |
|
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
1472 |
__ reinit_heapbase(); // restore r12 as heapbase. |
1 | 1473 |
// Entry point for exceptions thrown within interpreter code |
1474 |
Interpreter::_throw_exception_entry = __ pc(); |
|
1475 |
// expression stack is undefined here |
|
1476 |
// rax: exception |
|
1477 |
// r13: exception bcp |
|
1478 |
__ verify_oop(rax); |
|
1066 | 1479 |
__ mov(c_rarg1, rax); |
1 | 1480 |
|
1481 |
// expression stack must be empty before entering the VM in case of |
|
1482 |
// an exception |
|
1483 |
__ empty_expression_stack(); |
|
1484 |
// find exception handler address and preserve exception oop |
|
1485 |
__ call_VM(rdx, |
|
1486 |
CAST_FROM_FN_PTR(address, |
|
1487 |
InterpreterRuntime::exception_handler_for_exception), |
|
1488 |
c_rarg1); |
|
1489 |
// rax: exception handler entry point |
|
1490 |
// rdx: preserved exception oop |
|
1491 |
// r13: bcp for exception handler |
|
1492 |
__ push_ptr(rdx); // push exception which is now the only value on the stack |
|
1493 |
__ jmp(rax); // jump to exception handler (may be _remove_activation_entry!) |
|
1494 |
||
1495 |
// If the exception is not handled in the current frame the frame is |
|
1496 |
// removed and the exception is rethrown (i.e. exception |
|
1497 |
// continuation is _rethrow_exception). |
|
1498 |
// |
|
1499 |
// Note: At this point the bci is still the bxi for the instruction |
|
1500 |
// which caused the exception and the expression stack is |
|
1501 |
// empty. Thus, for any VM calls at this point, GC will find a legal |
|
1502 |
// oop map (with empty expression stack). |
|
1503 |
||
1504 |
// In current activation |
|
1505 |
// tos: exception |
|
1506 |
// esi: exception bcp |
|
1507 |
||
1508 |
// |
|
1509 |
// JVMTI PopFrame support |
|
1510 |
// |
|
1511 |
||
1512 |
Interpreter::_remove_activation_preserving_args_entry = __ pc(); |
|
1513 |
__ empty_expression_stack(); |
|
1514 |
// Set the popframe_processing bit in pending_popframe_condition |
|
1515 |
// indicating that we are currently handling popframe, so that |
|
1516 |
// call_VMs that may happen later do not trigger new popframe |
|
1517 |
// handling cycles. |
|
1518 |
__ movl(rdx, Address(r15_thread, JavaThread::popframe_condition_offset())); |
|
1519 |
__ orl(rdx, JavaThread::popframe_processing_bit); |
|
1520 |
__ movl(Address(r15_thread, JavaThread::popframe_condition_offset()), rdx); |
|
1521 |
||
1522 |
{ |
|
1523 |
// Check to see whether we are returning to a deoptimized frame. |
|
1524 |
// (The PopFrame call ensures that the caller of the popped frame is |
|
1525 |
// either interpreted or compiled and deoptimizes it if compiled.) |
|
1526 |
// In this case, we can't call dispatch_next() after the frame is |
|
1527 |
// popped, but instead must save the incoming arguments and restore |
|
1528 |
// them after deoptimization has occurred. |
|
1529 |
// |
|
1530 |
// Note that we don't compare the return PC against the |
|
1531 |
// deoptimization blob's unpack entry because of the presence of |
|
1532 |
// adapter frames in C2. |
|
1533 |
Label caller_not_deoptimized; |
|
1066 | 1534 |
__ movptr(c_rarg1, Address(rbp, frame::return_addr_offset * wordSize)); |
1 | 1535 |
__ super_call_VM_leaf(CAST_FROM_FN_PTR(address, |
1536 |
InterpreterRuntime::interpreter_contains), c_rarg1); |
|
1537 |
__ testl(rax, rax); |
|
1538 |
__ jcc(Assembler::notZero, caller_not_deoptimized); |
|
1539 |
||
1540 |
// Compute size of arguments for saving when returning to |
|
1541 |
// deoptimized caller |
|
1542 |
__ get_method(rax); |
|
14745
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
1543 |
__ movptr(rax, Address(rax, Method::const_offset())); |
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
1544 |
__ load_unsigned_short(rax, Address(rax, in_bytes(ConstMethod:: |
1 | 1545 |
size_of_parameters_offset()))); |
5419 | 1546 |
__ shll(rax, Interpreter::logStackElementSize); |
1 | 1547 |
__ restore_locals(); // XXX do we need this? |
1066 | 1548 |
__ subptr(r14, rax); |
1549 |
__ addptr(r14, wordSize); |
|
1 | 1550 |
// Save these arguments |
1551 |
__ super_call_VM_leaf(CAST_FROM_FN_PTR(address, |
|
1552 |
Deoptimization:: |
|
1553 |
popframe_preserve_args), |
|
1554 |
r15_thread, rax, r14); |
|
1555 |
||
1556 |
__ remove_activation(vtos, rdx, |
|
1557 |
/* throw_monitor_exception */ false, |
|
1558 |
/* install_monitor_exception */ false, |
|
1559 |
/* notify_jvmdi */ false); |
|
1560 |
||
1561 |
// Inform deoptimization that it is responsible for restoring |
|
1562 |
// these arguments |
|
1563 |
__ movl(Address(r15_thread, JavaThread::popframe_condition_offset()), |
|
1564 |
JavaThread::popframe_force_deopt_reexecution_bit); |
|
1565 |
||
1566 |
// Continue in deoptimization handler |
|
1567 |
__ jmp(rdx); |
|
1568 |
||
1569 |
__ bind(caller_not_deoptimized); |
|
1570 |
} |
|
1571 |
||
1572 |
__ remove_activation(vtos, rdx, /* rdx result (retaddr) is not used */ |
|
1573 |
/* throw_monitor_exception */ false, |
|
1574 |
/* install_monitor_exception */ false, |
|
1575 |
/* notify_jvmdi */ false); |
|
1576 |
||
1577 |
// Finish with popframe handling |
|
1578 |
// A previous I2C followed by a deoptimization might have moved the |
|
1579 |
// outgoing arguments further up the stack. PopFrame expects the |
|
1580 |
// mutations to those outgoing arguments to be preserved and other |
|
1581 |
// constraints basically require this frame to look exactly as |
|
1582 |
// though it had previously invoked an interpreted activation with |
|
1583 |
// no space between the top of the expression stack (current |
|
1584 |
// last_sp) and the top of stack. Rather than force deopt to |
|
1585 |
// maintain this kind of invariant all the time we call a small |
|
1586 |
// fixup routine to move the mutated arguments onto the top of our |
|
1587 |
// expression stack if necessary. |
|
1066 | 1588 |
__ mov(c_rarg1, rsp); |
1589 |
__ movptr(c_rarg2, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize)); |
|
1 | 1590 |
// PC must point into interpreter here |
1591 |
__ set_last_Java_frame(noreg, rbp, __ pc()); |
|
1592 |
__ super_call_VM_leaf(CAST_FROM_FN_PTR(address, InterpreterRuntime::popframe_move_outgoing_args), r15_thread, c_rarg1, c_rarg2); |
|
1593 |
__ reset_last_Java_frame(true, true); |
|
1594 |
// Restore the last_sp and null it out |
|
1066 | 1595 |
__ movptr(rsp, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize)); |
1596 |
__ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
|
1 | 1597 |
|
1598 |
__ restore_bcp(); // XXX do we need this? |
|
1599 |
__ restore_locals(); // XXX do we need this? |
|
1600 |
// The method data pointer was incremented already during |
|
1601 |
// call profiling. We have to restore the mdp for the current bcp. |
|
1602 |
if (ProfileInterpreter) { |
|
1603 |
__ set_method_data_pointer_for_bcp(); |
|
1604 |
} |
|
1605 |
||
1606 |
// Clear the popframe condition flag |
|
1607 |
__ movl(Address(r15_thread, JavaThread::popframe_condition_offset()), |
|
1608 |
JavaThread::popframe_inactive); |
|
1609 |
||
19266
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|
1610 |
#if INCLUDE_JVMTI |
24322 | 1611 |
{ |
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|
1612 |
Label L_done; |
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|
1613 |
const Register local0 = r14; |
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7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
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|
1614 |
|
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|
1615 |
__ cmpb(Address(r13, 0), Bytecodes::_invokestatic); |
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|
1616 |
__ jcc(Assembler::notEqual, L_done); |
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|
1617 |
|
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|
1618 |
// The member name argument must be restored if _invokestatic is re-executed after a PopFrame call. |
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parents:
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diff
changeset
|
1619 |
// Detect such a case in the InterpreterRuntime function and return the member name argument, or NULL. |
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|
1620 |
|
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|
1621 |
__ get_method(rdx); |
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parents:
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diff
changeset
|
1622 |
__ movptr(rax, Address(local0, 0)); |
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diff
changeset
|
1623 |
__ call_VM(rax, CAST_FROM_FN_PTR(address, InterpreterRuntime::member_name_arg_or_null), rax, rdx, r13); |
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|
1624 |
|
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|
1625 |
__ testptr(rax, rax); |
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|
1626 |
__ jcc(Assembler::zero, L_done); |
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|
1627 |
|
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|
1628 |
__ movptr(Address(rbx, 0), rax); |
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diff
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|
1629 |
__ bind(L_done); |
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|
1630 |
} |
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|
1631 |
#endif // INCLUDE_JVMTI |
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|
1632 |
|
1 | 1633 |
__ dispatch_next(vtos); |
1634 |
// end of PopFrame support |
|
1635 |
||
1636 |
Interpreter::_remove_activation_entry = __ pc(); |
|
1637 |
||
1638 |
// preserve exception over this code sequence |
|
1639 |
__ pop_ptr(rax); |
|
1066 | 1640 |
__ movptr(Address(r15_thread, JavaThread::vm_result_offset()), rax); |
1 | 1641 |
// remove the activation (without doing throws on illegalMonitorExceptions) |
1642 |
__ remove_activation(vtos, rdx, false, true, false); |
|
1643 |
// restore exception |
|
13728
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|
1644 |
__ get_vm_result(rax, r15_thread); |
1 | 1645 |
|
1646 |
// In between activations - previous activation type unknown yet |
|
1647 |
// compute continuation point - the continuation point expects the |
|
1648 |
// following registers set up: |
|
1649 |
// |
|
1650 |
// rax: exception |
|
1651 |
// rdx: return address/pc that threw exception |
|
1652 |
// rsp: expression stack of caller |
|
1653 |
// rbp: ebp of caller |
|
1066 | 1654 |
__ push(rax); // save exception |
1655 |
__ push(rdx); // save return address |
|
1 | 1656 |
__ super_call_VM_leaf(CAST_FROM_FN_PTR(address, |
1657 |
SharedRuntime::exception_handler_for_return_address), |
|
5046 | 1658 |
r15_thread, rdx); |
1066 | 1659 |
__ mov(rbx, rax); // save exception handler |
1660 |
__ pop(rdx); // restore return address |
|
1661 |
__ pop(rax); // restore exception |
|
1 | 1662 |
// Note that an "issuing PC" is actually the next PC after the call |
1663 |
__ jmp(rbx); // jump to exception |
|
1664 |
// handler of caller |
|
1665 |
} |
|
1666 |
||
1667 |
||
1668 |
// |
|
1669 |
// JVMTI ForceEarlyReturn support |
|
1670 |
// |
|
1671 |
address TemplateInterpreterGenerator::generate_earlyret_entry_for(TosState state) { |
|
1672 |
address entry = __ pc(); |
|
1673 |
||
1674 |
__ restore_bcp(); |
|
1675 |
__ restore_locals(); |
|
1676 |
__ empty_expression_stack(); |
|
1677 |
__ load_earlyret_value(state); |
|
1678 |
||
1066 | 1679 |
__ movptr(rdx, Address(r15_thread, JavaThread::jvmti_thread_state_offset())); |
1 | 1680 |
Address cond_addr(rdx, JvmtiThreadState::earlyret_state_offset()); |
1681 |
||
1682 |
// Clear the earlyret state |
|
1683 |
__ movl(cond_addr, JvmtiThreadState::earlyret_inactive); |
|
1684 |
||
1685 |
__ remove_activation(state, rsi, |
|
1686 |
false, /* throw_monitor_exception */ |
|
1687 |
false, /* install_monitor_exception */ |
|
1688 |
true); /* notify_jvmdi */ |
|
1689 |
__ jmp(rsi); |
|
1690 |
||
1691 |
return entry; |
|
1692 |
} // end of ForceEarlyReturn support |
|
1693 |
||
1694 |
||
1695 |
//----------------------------------------------------------------------------- |
|
1696 |
// Helper for vtos entry point generation |
|
1697 |
||
1698 |
void TemplateInterpreterGenerator::set_vtos_entry_points(Template* t, |
|
1699 |
address& bep, |
|
1700 |
address& cep, |
|
1701 |
address& sep, |
|
1702 |
address& aep, |
|
1703 |
address& iep, |
|
1704 |
address& lep, |
|
1705 |
address& fep, |
|
1706 |
address& dep, |
|
1707 |
address& vep) { |
|
1708 |
assert(t->is_valid() && t->tos_in() == vtos, "illegal template"); |
|
1709 |
Label L; |
|
1710 |
aep = __ pc(); __ push_ptr(); __ jmp(L); |
|
1711 |
fep = __ pc(); __ push_f(); __ jmp(L); |
|
1712 |
dep = __ pc(); __ push_d(); __ jmp(L); |
|
1713 |
lep = __ pc(); __ push_l(); __ jmp(L); |
|
1714 |
bep = cep = sep = |
|
1715 |
iep = __ pc(); __ push_i(); |
|
1716 |
vep = __ pc(); |
|
1717 |
__ bind(L); |
|
1718 |
generate_and_dispatch(t); |
|
1719 |
} |
|
1720 |
||
1721 |
||
1722 |
//----------------------------------------------------------------------------- |
|
1723 |
// Generation of individual instructions |
|
1724 |
||
1725 |
// helpers for generate_and_dispatch |
|
1726 |
||
1727 |
||
1728 |
InterpreterGenerator::InterpreterGenerator(StubQueue* code) |
|
1729 |
: TemplateInterpreterGenerator(code) { |
|
1730 |
generate_all(); // down here so it can be "virtual" |
|
1731 |
} |
|
1732 |
||
1733 |
//----------------------------------------------------------------------------- |
|
1734 |
||
1735 |
// Non-product code |
|
1736 |
#ifndef PRODUCT |
|
1737 |
address TemplateInterpreterGenerator::generate_trace_code(TosState state) { |
|
1738 |
address entry = __ pc(); |
|
1739 |
||
1740 |
__ push(state); |
|
1066 | 1741 |
__ push(c_rarg0); |
1742 |
__ push(c_rarg1); |
|
1743 |
__ push(c_rarg2); |
|
1744 |
__ push(c_rarg3); |
|
1745 |
__ mov(c_rarg2, rax); // Pass itos |
|
1 | 1746 |
#ifdef _WIN64 |
1747 |
__ movflt(xmm3, xmm0); // Pass ftos |
|
1748 |
#endif |
|
1749 |
__ call_VM(noreg, |
|
1750 |
CAST_FROM_FN_PTR(address, SharedRuntime::trace_bytecode), |
|
1751 |
c_rarg1, c_rarg2, c_rarg3); |
|
1066 | 1752 |
__ pop(c_rarg3); |
1753 |
__ pop(c_rarg2); |
|
1754 |
__ pop(c_rarg1); |
|
1755 |
__ pop(c_rarg0); |
|
1 | 1756 |
__ pop(state); |
1757 |
__ ret(0); // return from result handler |
|
1758 |
||
1759 |
return entry; |
|
1760 |
} |
|
1761 |
||
1762 |
void TemplateInterpreterGenerator::count_bytecode() { |
|
1763 |
__ incrementl(ExternalAddress((address) &BytecodeCounter::_counter_value)); |
|
1764 |
} |
|
1765 |
||
1766 |
void TemplateInterpreterGenerator::histogram_bytecode(Template* t) { |
|
1767 |
__ incrementl(ExternalAddress((address) &BytecodeHistogram::_counters[t->bytecode()])); |
|
1768 |
} |
|
1769 |
||
1770 |
void TemplateInterpreterGenerator::histogram_bytecode_pair(Template* t) { |
|
1771 |
__ mov32(rbx, ExternalAddress((address) &BytecodePairHistogram::_index)); |
|
1772 |
__ shrl(rbx, BytecodePairHistogram::log2_number_of_codes); |
|
1773 |
__ orl(rbx, |
|
1774 |
((int) t->bytecode()) << |
|
1775 |
BytecodePairHistogram::log2_number_of_codes); |
|
1776 |
__ mov32(ExternalAddress((address) &BytecodePairHistogram::_index), rbx); |
|
1777 |
__ lea(rscratch1, ExternalAddress((address) BytecodePairHistogram::_counters)); |
|
1778 |
__ incrementl(Address(rscratch1, rbx, Address::times_4)); |
|
1779 |
} |
|
1780 |
||
1781 |
||
1782 |
void TemplateInterpreterGenerator::trace_bytecode(Template* t) { |
|
1783 |
// Call a little run-time stub to avoid blow-up for each bytecode. |
|
1784 |
// The run-time runtime saves the right registers, depending on |
|
1785 |
// the tosca in-state for the given template. |
|
1786 |
||
1787 |
assert(Interpreter::trace_code(t->tos_in()) != NULL, |
|
1788 |
"entry must have been generated"); |
|
7401
ebde7415b521
6780143: hs203t003 hits SIGSEGV/EXCEPTION_ACCESS_VIOLATION with -XX:+UseCompressedOops
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7397
diff
changeset
|
1789 |
__ mov(r12, rsp); // remember sp (can only use r12 if not using call_VM) |
1066 | 1790 |
__ andptr(rsp, -16); // align stack as required by ABI |
1 | 1791 |
__ call(RuntimeAddress(Interpreter::trace_code(t->tos_in()))); |
1066 | 1792 |
__ mov(rsp, r12); // restore sp |
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
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parents:
1
diff
changeset
|
1793 |
__ reinit_heapbase(); |
1 | 1794 |
} |
1795 |
||
1796 |
||
1797 |
void TemplateInterpreterGenerator::stop_interpreter_at() { |
|
1798 |
Label L; |
|
1799 |
__ cmp32(ExternalAddress((address) &BytecodeCounter::_counter_value), |
|
1800 |
StopInterpreterAt); |
|
1801 |
__ jcc(Assembler::notEqual, L); |
|
1802 |
__ int3(); |
|
1803 |
__ bind(L); |
|
1804 |
} |
|
1805 |
#endif // !PRODUCT |
|
1066 | 1806 |
#endif // ! CC_INTERP |