hotspot/src/share/vm/oops/method.cpp
author coleenp
Wed, 27 Mar 2013 08:19:50 -0400
changeset 16588 7e90e795813e
parent 16352 1ff72c6eaa70
child 16631 c6860a0ebc99
permissions -rw-r--r--
8009531: Crash when redefining class with annotated method Summary: Neglected to copy the annotations in clone_with_new_data when they were moved to ConstMethod. Reviewed-by: acorn, sspitsyn, dcubed
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/*
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 * Copyright (c) 1997, 2013, 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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#include "precompiled.hpp"
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#include "classfile/metadataOnStackMark.hpp"
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#include "classfile/systemDictionary.hpp"
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#include "code/debugInfoRec.hpp"
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#include "gc_interface/collectedHeap.inline.hpp"
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#include "interpreter/bytecodeStream.hpp"
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#include "interpreter/bytecodeTracer.hpp"
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#include "interpreter/bytecodes.hpp"
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#include "interpreter/interpreter.hpp"
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#include "interpreter/oopMapCache.hpp"
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#include "memory/gcLocker.hpp"
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#include "memory/generation.hpp"
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#include "memory/heapInspection.hpp"
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#include "memory/metadataFactory.hpp"
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#include "memory/oopFactory.hpp"
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#include "oops/constMethod.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 "oops/symbol.hpp"
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#include "prims/jvmtiExport.hpp"
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#include "prims/methodHandles.hpp"
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#include "prims/nativeLookup.hpp"
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#include "runtime/arguments.hpp"
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#include "runtime/compilationPolicy.hpp"
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#include "runtime/frame.inline.hpp"
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#include "runtime/handles.inline.hpp"
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#include "runtime/relocator.hpp"
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#include "runtime/sharedRuntime.hpp"
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#include "runtime/signature.hpp"
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#include "utilities/quickSort.hpp"
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#include "utilities/xmlstream.hpp"
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// Implementation of Method
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Method* Method::allocate(ClassLoaderData* loader_data,
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                         int byte_code_size,
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                         AccessFlags access_flags,
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                         InlineTableSizes* sizes,
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                         ConstMethod::MethodType method_type,
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                         TRAPS) {
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  assert(!access_flags.is_native() || byte_code_size == 0,
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         "native methods should not contain byte codes");
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  ConstMethod* cm = ConstMethod::allocate(loader_data,
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                                          byte_code_size,
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                                          sizes,
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                                          method_type,
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                                          CHECK_NULL);
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  int size = Method::size(access_flags.is_native());
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  return new (loader_data, size, false, THREAD) Method(cm, access_flags, size);
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}
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Method::Method(ConstMethod* xconst, AccessFlags access_flags, int size) {
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  No_Safepoint_Verifier no_safepoint;
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  set_constMethod(xconst);
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  set_access_flags(access_flags);
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  set_method_size(size);
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#ifdef CC_INTERP
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  set_result_index(T_VOID);
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#endif
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  set_intrinsic_id(vmIntrinsics::_none);
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  set_jfr_towrite(false);
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  set_force_inline(false);
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  set_hidden(false);
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  set_dont_inline(false);
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  set_method_data(NULL);
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  set_interpreter_throwout_count(0);
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  set_vtable_index(Method::garbage_vtable_index);
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  // Fix and bury in Method*
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  set_interpreter_entry(NULL); // sets i2i entry and from_int
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  set_adapter_entry(NULL);
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  clear_code(); // from_c/from_i get set to c2i/i2i
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  if (access_flags.is_native()) {
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    clear_native_function();
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    set_signature_handler(NULL);
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  }
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  NOT_PRODUCT(set_compiled_invocation_count(0);)
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  set_interpreter_invocation_count(0);
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  invocation_counter()->init();
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  backedge_counter()->init();
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  clear_number_of_breakpoints();
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#ifdef TIERED
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  set_rate(0);
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  set_prev_event_count(0);
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  set_prev_time(0);
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#endif
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}
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// Release Method*.  The nmethod will be gone when we get here because
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// we've walked the code cache.
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void Method::deallocate_contents(ClassLoaderData* loader_data) {
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  MetadataFactory::free_metadata(loader_data, constMethod());
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  set_constMethod(NULL);
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  MetadataFactory::free_metadata(loader_data, method_data());
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  set_method_data(NULL);
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  // The nmethod will be gone when we get here.
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  if (code() != NULL) _code = NULL;
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}
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address Method::get_i2c_entry() {
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  assert(_adapter != NULL, "must have");
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  return _adapter->get_i2c_entry();
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}
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address Method::get_c2i_entry() {
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  assert(_adapter != NULL, "must have");
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  return _adapter->get_c2i_entry();
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}
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address Method::get_c2i_unverified_entry() {
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  assert(_adapter != NULL, "must have");
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  return _adapter->get_c2i_unverified_entry();
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}
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char* Method::name_and_sig_as_C_string() const {
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  return name_and_sig_as_C_string(constants()->pool_holder(), name(), signature());
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}
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char* Method::name_and_sig_as_C_string(char* buf, int size) const {
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  return name_and_sig_as_C_string(constants()->pool_holder(), name(), signature(), buf, size);
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}
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char* Method::name_and_sig_as_C_string(Klass* klass, Symbol* method_name, Symbol* signature) {
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  const char* klass_name = klass->external_name();
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  int klass_name_len  = (int)strlen(klass_name);
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  int method_name_len = method_name->utf8_length();
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  int len             = klass_name_len + 1 + method_name_len + signature->utf8_length();
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  char* dest          = NEW_RESOURCE_ARRAY(char, len + 1);
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  strcpy(dest, klass_name);
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  dest[klass_name_len] = '.';
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  strcpy(&dest[klass_name_len + 1], method_name->as_C_string());
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  strcpy(&dest[klass_name_len + 1 + method_name_len], signature->as_C_string());
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  dest[len] = 0;
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  return dest;
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}
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char* Method::name_and_sig_as_C_string(Klass* klass, Symbol* method_name, Symbol* signature, char* buf, int size) {
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  Symbol* klass_name = klass->name();
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  klass_name->as_klass_external_name(buf, size);
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  int len = (int)strlen(buf);
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  if (len < size - 1) {
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    buf[len++] = '.';
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    method_name->as_C_string(&(buf[len]), size - len);
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    len = (int)strlen(buf);
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    signature->as_C_string(&(buf[len]), size - len);
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  }
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  return buf;
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}
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int Method::fast_exception_handler_bci_for(methodHandle mh, KlassHandle ex_klass, int throw_bci, TRAPS) {
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  // exception table holds quadruple entries of the form (beg_bci, end_bci, handler_bci, klass_index)
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  // access exception table
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  ExceptionTable table(mh());
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  int length = table.length();
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  // iterate through all entries sequentially
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  constantPoolHandle pool(THREAD, mh->constants());
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  for (int i = 0; i < length; i ++) {
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    //reacquire the table in case a GC happened
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    ExceptionTable table(mh());
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    int beg_bci = table.start_pc(i);
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    int end_bci = table.end_pc(i);
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    assert(beg_bci <= end_bci, "inconsistent exception table");
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    if (beg_bci <= throw_bci && throw_bci < end_bci) {
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      // exception handler bci range covers throw_bci => investigate further
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      int handler_bci = table.handler_pc(i);
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      int klass_index = table.catch_type_index(i);
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      if (klass_index == 0) {
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        return handler_bci;
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      } else if (ex_klass.is_null()) {
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        return handler_bci;
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      } else {
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        // we know the exception class => get the constraint class
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        // this may require loading of the constraint class; if verification
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        // fails or some other exception occurs, return handler_bci
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        Klass* k = pool->klass_at(klass_index, CHECK_(handler_bci));
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        KlassHandle klass = KlassHandle(THREAD, k);
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        assert(klass.not_null(), "klass not loaded");
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        if (ex_klass->is_subtype_of(klass())) {
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          return handler_bci;
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        }
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      }
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    }
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  }
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  return -1;
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}
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void Method::mask_for(int bci, InterpreterOopMap* mask) {
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  Thread* myThread    = Thread::current();
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  methodHandle h_this(myThread, this);
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#ifdef ASSERT
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  bool has_capability = myThread->is_VM_thread() ||
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                        myThread->is_ConcurrentGC_thread() ||
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                        myThread->is_GC_task_thread();
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  if (!has_capability) {
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    if (!VerifyStack && !VerifyLastFrame) {
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      // verify stack calls this outside VM thread
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      warning("oopmap should only be accessed by the "
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              "VM, GC task or CMS threads (or during debugging)");
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      InterpreterOopMap local_mask;
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      method_holder()->mask_for(h_this, bci, &local_mask);
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      local_mask.print();
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    }
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  }
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#endif
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  method_holder()->mask_for(h_this, bci, mask);
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  return;
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}
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int Method::bci_from(address bcp) const {
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#ifdef ASSERT
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  { ResourceMark rm;
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  assert(is_native() && bcp == code_base() || contains(bcp) || is_error_reported(),
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         err_msg("bcp doesn't belong to this method: bcp: " INTPTR_FORMAT ", method: %s", bcp, name_and_sig_as_C_string()));
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  }
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#endif
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  return bcp - code_base();
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}
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// Return (int)bcx if it appears to be a valid BCI.
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// Return bci_from((address)bcx) if it appears to be a valid BCP.
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// Return -1 otherwise.
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// Used by profiling code, when invalid data is a possibility.
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// The caller is responsible for validating the Method* itself.
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int Method::validate_bci_from_bcx(intptr_t bcx) const {
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  // keep bci as -1 if not a valid bci
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  int bci = -1;
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  if (bcx == 0 || (address)bcx == code_base()) {
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    // code_size() may return 0 and we allow 0 here
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    // the method may be native
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    bci = 0;
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  } else if (frame::is_bci(bcx)) {
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    if (bcx < code_size()) {
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      bci = (int)bcx;
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    }
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  } else if (contains((address)bcx)) {
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    bci = (address)bcx - code_base();
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  }
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  // Assert that if we have dodged any asserts, bci is negative.
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  assert(bci == -1 || bci == bci_from(bcp_from(bci)), "sane bci if >=0");
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  return bci;
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}
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address Method::bcp_from(int bci) const {
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  assert((is_native() && bci == 0)  || (!is_native() && 0 <= bci && bci < code_size()), "illegal bci");
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  address bcp = code_base() + bci;
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  assert(is_native() && bcp == code_base() || contains(bcp), "bcp doesn't belong to this method");
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  return bcp;
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}
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int Method::size(bool is_native) {
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  // If native, then include pointers for native_function and signature_handler
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  int extra_bytes = (is_native) ? 2*sizeof(address*) : 0;
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  int extra_words = align_size_up(extra_bytes, BytesPerWord) / BytesPerWord;
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  return align_object_size(header_size() + extra_words);
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}
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Symbol* Method::klass_name() const {
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  Klass* k = method_holder();
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  assert(k->is_klass(), "must be klass");
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  InstanceKlass* ik = (InstanceKlass*) k;
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  return ik->name();
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}
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// Attempt to return method oop to original state.  Clear any pointers
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// (to objects outside the shared spaces).  We won't be able to predict
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// where they should point in a new JVM.  Further initialize some
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// entries now in order allow them to be write protected later.
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void Method::remove_unshareable_info() {
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  unlink_method();
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}
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bool Method::was_executed_more_than(int n) {
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  // Invocation counter is reset when the Method* is compiled.
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  // If the method has compiled code we therefore assume it has
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  // be excuted more than n times.
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  if (is_accessor() || is_empty_method() || (code() != NULL)) {
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    // interpreter doesn't bump invocation counter of trivial methods
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    // compiler does not bump invocation counter of compiled methods
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    return true;
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  }
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  else if (_invocation_counter.carry() || (method_data() != NULL && method_data()->invocation_counter()->carry())) {
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    // The carry bit is set when the counter overflows and causes
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   328
    // a compilation to occur.  We don't know how many times
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parents:
diff changeset
   329
    // the counter has been reset, so we simply assume it has
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parents:
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   330
    // been executed more than n times.
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diff changeset
   331
    return true;
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parents:
diff changeset
   332
  } else {
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parents:
diff changeset
   333
    return invocation_count() > n;
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parents:
diff changeset
   334
  }
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parents:
diff changeset
   335
}
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   336
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diff changeset
   337
#ifndef PRODUCT
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   338
void Method::print_invocation_count() {
1
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parents:
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   339
  if (is_static()) tty->print("static ");
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parents:
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   340
  if (is_final()) tty->print("final ");
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parents:
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   341
  if (is_synchronized()) tty->print("synchronized ");
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parents:
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   342
  if (is_native()) tty->print("native ");
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   343
  method_holder()->name()->print_symbol_on(tty);
1
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parents:
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   344
  tty->print(".");
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parents:
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   345
  name()->print_symbol_on(tty);
489c9b5090e2 Initial load
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parents:
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   346
  signature()->print_symbol_on(tty);
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   347
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parents:
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   348
  if (WizardMode) {
489c9b5090e2 Initial load
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parents:
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   349
    // dump the size of the byte codes
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parents:
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   350
    tty->print(" {%d}", code_size());
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parents:
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   351
  }
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   352
  tty->cr();
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   353
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parents:
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   354
  tty->print_cr ("  interpreter_invocation_count: %8d ", interpreter_invocation_count());
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parents:
diff changeset
   355
  tty->print_cr ("  invocation_counter:           %8d ", invocation_count());
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parents:
diff changeset
   356
  tty->print_cr ("  backedge_counter:             %8d ", backedge_count());
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parents:
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   357
  if (CountCompiledCalls) {
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parents:
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   358
    tty->print_cr ("  compiled_invocation_count: %8d ", compiled_invocation_count());
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parents:
diff changeset
   359
  }
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parents:
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   360
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parents:
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   361
}
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parents:
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   362
#endif
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   363
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parents: 13392
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   364
// Build a MethodData* object to hold information about this method
1
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parents:
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   365
// collected in the interpreter.
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   366
void Method::build_interpreter_method_data(methodHandle method, TRAPS) {
7446
9193aa209467 6988439: Parallel Class Loading test deadlock involving MethodData_lock and Pending List Lock
coleenp
parents: 7397
diff changeset
   367
  // Do not profile method if current thread holds the pending list lock,
9193aa209467 6988439: Parallel Class Loading test deadlock involving MethodData_lock and Pending List Lock
coleenp
parents: 7397
diff changeset
   368
  // which avoids deadlock for acquiring the MethodData_lock.
13738
d67be49a5beb 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
coleenp
parents: 13728
diff changeset
   369
  if (InstanceRefKlass::owns_pending_list_lock((JavaThread*)THREAD)) {
7446
9193aa209467 6988439: Parallel Class Loading test deadlock involving MethodData_lock and Pending List Lock
coleenp
parents: 7397
diff changeset
   370
    return;
9193aa209467 6988439: Parallel Class Loading test deadlock involving MethodData_lock and Pending List Lock
coleenp
parents: 7397
diff changeset
   371
  }
9193aa209467 6988439: Parallel Class Loading test deadlock involving MethodData_lock and Pending List Lock
coleenp
parents: 7397
diff changeset
   372
1
489c9b5090e2 Initial load
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parents:
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   373
  // Grab a lock here to prevent multiple
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882756847a04 6964458: Reimplement class meta-data storage to use native memory
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diff changeset
   374
  // MethodData*s from being created.
1
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parents:
diff changeset
   375
  MutexLocker ml(MethodData_lock, THREAD);
489c9b5090e2 Initial load
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parents:
diff changeset
   376
  if (method->method_data() == NULL) {
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882756847a04 6964458: Reimplement class meta-data storage to use native memory
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parents: 13392
diff changeset
   377
    ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
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   378
    MethodData* method_data = MethodData::allocate(loader_data, method, CHECK);
1
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parents:
diff changeset
   379
    method->set_method_data(method_data);
489c9b5090e2 Initial load
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parents:
diff changeset
   380
    if (PrintMethodData && (Verbose || WizardMode)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   381
      ResourceMark rm(THREAD);
489c9b5090e2 Initial load
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parents:
diff changeset
   382
      tty->print("build_interpreter_method_data for ");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   383
      method->print_name(tty);
489c9b5090e2 Initial load
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parents:
diff changeset
   384
      tty->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   385
      // At the end of the run, the MDO, full of data, will be dumped.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   386
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   387
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   388
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   389
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   390
void Method::cleanup_inline_caches() {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   391
  // The current system doesn't use inline caches in the interpreter
489c9b5090e2 Initial load
duke
parents:
diff changeset
   392
  // => nothing to do (keep this method around for future use)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   393
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   394
489c9b5090e2 Initial load
duke
parents:
diff changeset
   395
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   396
int Method::extra_stack_words() {
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
   397
  // not an inline function, to avoid a header dependency on Interpreter
5419
f2e8cc8c12ea 6943304: remove tagged stack interpreter
twisti
parents: 4756
diff changeset
   398
  return extra_stack_entries() * Interpreter::stackElementSize;
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
   399
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
   400
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
   401
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   402
void Method::compute_size_of_parameters(Thread *thread) {
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7913
diff changeset
   403
  ArgumentSizeComputer asc(signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   404
  set_size_of_parameters(asc.size() + (is_static() ? 0 : 1));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   405
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   406
489c9b5090e2 Initial load
duke
parents:
diff changeset
   407
#ifdef CC_INTERP
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   408
void Method::set_result_index(BasicType type)          {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   409
  _result_index = Interpreter::BasicType_as_index(type);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   410
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   411
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
   412
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   413
BasicType Method::result_type() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   414
  ResultTypeFinder rtf(signature());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   415
  return rtf.type();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   416
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   417
489c9b5090e2 Initial load
duke
parents:
diff changeset
   418
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   419
bool Method::is_empty_method() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   420
  return  code_size() == 1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   421
      && *code_base() == Bytecodes::_return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   422
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   423
489c9b5090e2 Initial load
duke
parents:
diff changeset
   424
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   425
bool Method::is_vanilla_constructor() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   426
  // Returns true if this method is a vanilla constructor, i.e. an "<init>" "()V" method
489c9b5090e2 Initial load
duke
parents:
diff changeset
   427
  // which only calls the superclass vanilla constructor and possibly does stores of
489c9b5090e2 Initial load
duke
parents:
diff changeset
   428
  // zero constants to local fields:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   429
  //
489c9b5090e2 Initial load
duke
parents:
diff changeset
   430
  //   aload_0
489c9b5090e2 Initial load
duke
parents:
diff changeset
   431
  //   invokespecial
489c9b5090e2 Initial load
duke
parents:
diff changeset
   432
  //   indexbyte1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   433
  //   indexbyte2
489c9b5090e2 Initial load
duke
parents:
diff changeset
   434
  //
489c9b5090e2 Initial load
duke
parents:
diff changeset
   435
  // followed by an (optional) sequence of:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   436
  //
489c9b5090e2 Initial load
duke
parents:
diff changeset
   437
  //   aload_0
489c9b5090e2 Initial load
duke
parents:
diff changeset
   438
  //   aconst_null / iconst_0 / fconst_0 / dconst_0
489c9b5090e2 Initial load
duke
parents:
diff changeset
   439
  //   putfield
489c9b5090e2 Initial load
duke
parents:
diff changeset
   440
  //   indexbyte1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   441
  //   indexbyte2
489c9b5090e2 Initial load
duke
parents:
diff changeset
   442
  //
489c9b5090e2 Initial load
duke
parents:
diff changeset
   443
  // followed by:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   444
  //
489c9b5090e2 Initial load
duke
parents:
diff changeset
   445
  //   return
489c9b5090e2 Initial load
duke
parents:
diff changeset
   446
489c9b5090e2 Initial load
duke
parents:
diff changeset
   447
  assert(name() == vmSymbols::object_initializer_name(),    "Should only be called for default constructors");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   448
  assert(signature() == vmSymbols::void_method_signature(), "Should only be called for default constructors");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   449
  int size = code_size();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   450
  // Check if size match
489c9b5090e2 Initial load
duke
parents:
diff changeset
   451
  if (size == 0 || size % 5 != 0) return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   452
  address cb = code_base();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   453
  int last = size - 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   454
  if (cb[0] != Bytecodes::_aload_0 || cb[1] != Bytecodes::_invokespecial || cb[last] != Bytecodes::_return) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   455
    // Does not call superclass default constructor
489c9b5090e2 Initial load
duke
parents:
diff changeset
   456
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   457
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   458
  // Check optional sequence
489c9b5090e2 Initial load
duke
parents:
diff changeset
   459
  for (int i = 4; i < last; i += 5) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   460
    if (cb[i] != Bytecodes::_aload_0) return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   461
    if (!Bytecodes::is_zero_const(Bytecodes::cast(cb[i+1]))) return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   462
    if (cb[i+2] != Bytecodes::_putfield) return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   463
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   464
  return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   465
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   466
489c9b5090e2 Initial load
duke
parents:
diff changeset
   467
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   468
bool Method::compute_has_loops_flag() {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   469
  BytecodeStream bcs(this);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   470
  Bytecodes::Code bc;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   471
489c9b5090e2 Initial load
duke
parents:
diff changeset
   472
  while ((bc = bcs.next()) >= 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   473
    switch( bc ) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   474
      case Bytecodes::_ifeq:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   475
      case Bytecodes::_ifnull:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   476
      case Bytecodes::_iflt:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   477
      case Bytecodes::_ifle:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   478
      case Bytecodes::_ifne:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   479
      case Bytecodes::_ifnonnull:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   480
      case Bytecodes::_ifgt:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   481
      case Bytecodes::_ifge:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   482
      case Bytecodes::_if_icmpeq:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   483
      case Bytecodes::_if_icmpne:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   484
      case Bytecodes::_if_icmplt:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   485
      case Bytecodes::_if_icmpgt:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   486
      case Bytecodes::_if_icmple:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   487
      case Bytecodes::_if_icmpge:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   488
      case Bytecodes::_if_acmpeq:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   489
      case Bytecodes::_if_acmpne:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   490
      case Bytecodes::_goto:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   491
      case Bytecodes::_jsr:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   492
        if( bcs.dest() < bcs.next_bci() ) _access_flags.set_has_loops();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   493
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   494
489c9b5090e2 Initial load
duke
parents:
diff changeset
   495
      case Bytecodes::_goto_w:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   496
      case Bytecodes::_jsr_w:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   497
        if( bcs.dest_w() < bcs.next_bci() ) _access_flags.set_has_loops();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   498
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   499
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   500
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   501
  _access_flags.set_loops_flag_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   502
  return _access_flags.has_loops();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   503
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   504
489c9b5090e2 Initial load
duke
parents:
diff changeset
   505
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   506
bool Method::is_final_method() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   507
  // %%% Should return true for private methods also,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   508
  // since there is no way to override them.
14391
df0a1573d5bd 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents: 14386
diff changeset
   509
  return is_final() || method_holder()->is_final();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   510
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   511
489c9b5090e2 Initial load
duke
parents:
diff changeset
   512
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   513
bool Method::is_strict_method() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   514
  return is_strict();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   515
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   516
489c9b5090e2 Initial load
duke
parents:
diff changeset
   517
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   518
bool Method::can_be_statically_bound() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   519
  if (is_final_method())  return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   520
  return vtable_index() == nonvirtual_vtable_index;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   521
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   522
489c9b5090e2 Initial load
duke
parents:
diff changeset
   523
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   524
bool Method::is_accessor() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   525
  if (code_size() != 5) return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   526
  if (size_of_parameters() != 1) return false;
7913
dd096a83bdbb 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 7446
diff changeset
   527
  if (java_code_at(0) != Bytecodes::_aload_0 ) return false;
dd096a83bdbb 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 7446
diff changeset
   528
  if (java_code_at(1) != Bytecodes::_getfield) return false;
dd096a83bdbb 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 7446
diff changeset
   529
  if (java_code_at(4) != Bytecodes::_areturn &&
dd096a83bdbb 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 7446
diff changeset
   530
      java_code_at(4) != Bytecodes::_ireturn ) return false;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   531
  return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   532
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   533
489c9b5090e2 Initial load
duke
parents:
diff changeset
   534
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   535
bool Method::is_initializer() const {
8653
8797d788a4f1 6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents: 8334
diff changeset
   536
  return name() == vmSymbols::object_initializer_name() || is_static_initializer();
8797d788a4f1 6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents: 8334
diff changeset
   537
}
8797d788a4f1 6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents: 8334
diff changeset
   538
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   539
bool Method::has_valid_initializer_flags() const {
8653
8797d788a4f1 6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents: 8334
diff changeset
   540
  return (is_static() ||
14391
df0a1573d5bd 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents: 14386
diff changeset
   541
          method_holder()->major_version() < 51);
8653
8797d788a4f1 6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents: 8334
diff changeset
   542
}
8797d788a4f1 6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents: 8334
diff changeset
   543
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   544
bool Method::is_static_initializer() const {
8653
8797d788a4f1 6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents: 8334
diff changeset
   545
  // For classfiles version 51 or greater, ensure that the clinit method is
8797d788a4f1 6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents: 8334
diff changeset
   546
  // static.  Non-static methods with the name "<clinit>" are not static
8797d788a4f1 6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents: 8334
diff changeset
   547
  // initializers. (older classfiles exempted for backward compatibility)
8797d788a4f1 6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents: 8334
diff changeset
   548
  return name() == vmSymbols::class_initializer_name() &&
8797d788a4f1 6845426: non-static <clinit> method with no args is called during the class initialization process
kamg
parents: 8334
diff changeset
   549
         has_valid_initializer_flags();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   550
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   551
489c9b5090e2 Initial load
duke
parents:
diff changeset
   552
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   553
objArrayHandle Method::resolved_checked_exceptions_impl(Method* this_oop, TRAPS) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   554
  int length = this_oop->checked_exceptions_length();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   555
  if (length == 0) {  // common case
489c9b5090e2 Initial load
duke
parents:
diff changeset
   556
    return objArrayHandle(THREAD, Universe::the_empty_class_klass_array());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   557
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   558
    methodHandle h_this(THREAD, this_oop);
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4094
diff changeset
   559
    objArrayOop m_oop = oopFactory::new_objArray(SystemDictionary::Class_klass(), length, CHECK_(objArrayHandle()));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   560
    objArrayHandle mirrors (THREAD, m_oop);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   561
    for (int i = 0; i < length; i++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   562
      CheckedExceptionElement* table = h_this->checked_exceptions_start(); // recompute on each iteration, not gc safe
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   563
      Klass* k = h_this->constants()->klass_at(table[i].class_cp_index, CHECK_(objArrayHandle()));
14488
ab48109f7d1b 8001471: Klass::cast() does nothing
hseigel
parents: 14391
diff changeset
   564
      assert(k->is_subclass_of(SystemDictionary::Throwable_klass()), "invalid exception class");
ab48109f7d1b 8001471: Klass::cast() does nothing
hseigel
parents: 14391
diff changeset
   565
      mirrors->obj_at_put(i, k->java_mirror());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   566
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   567
    return mirrors;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   568
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   569
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
   570
489c9b5090e2 Initial load
duke
parents:
diff changeset
   571
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   572
int Method::line_number_from_bci(int bci) const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   573
  if (bci == SynchronizationEntryBCI) bci = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   574
  assert(bci == 0 || 0 <= bci && bci < code_size(), "illegal bci");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   575
  int best_bci  =  0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   576
  int best_line = -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   577
489c9b5090e2 Initial load
duke
parents:
diff changeset
   578
  if (has_linenumber_table()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   579
    // The line numbers are a short array of 2-tuples [start_pc, line_number].
489c9b5090e2 Initial load
duke
parents:
diff changeset
   580
    // Not necessarily sorted and not necessarily one-to-one.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   581
    CompressedLineNumberReadStream stream(compressed_linenumber_table());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   582
    while (stream.read_pair()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   583
      if (stream.bci() == bci) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   584
        // perfect match
489c9b5090e2 Initial load
duke
parents:
diff changeset
   585
        return stream.line();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   586
      } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   587
        // update best_bci/line
489c9b5090e2 Initial load
duke
parents:
diff changeset
   588
        if (stream.bci() < bci && stream.bci() >= best_bci) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   589
          best_bci  = stream.bci();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   590
          best_line = stream.line();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   591
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   592
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   593
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   594
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   595
  return best_line;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   596
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   597
489c9b5090e2 Initial load
duke
parents:
diff changeset
   598
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   599
bool Method::is_klass_loaded_by_klass_index(int klass_index) const {
12937
0032fb2caff6 7172967: Eliminate constMethod's _method backpointer to methodOop.
jiangli
parents: 11637
diff changeset
   600
  if( constants()->tag_at(klass_index).is_unresolved_klass() ) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   601
    Thread *thread = Thread::current();
12937
0032fb2caff6 7172967: Eliminate constMethod's _method backpointer to methodOop.
jiangli
parents: 11637
diff changeset
   602
    Symbol* klass_name = constants()->klass_name_at(klass_index);
14391
df0a1573d5bd 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents: 14386
diff changeset
   603
    Handle loader(thread, method_holder()->class_loader());
14488
ab48109f7d1b 8001471: Klass::cast() does nothing
hseigel
parents: 14391
diff changeset
   604
    Handle prot  (thread, method_holder()->protection_domain());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   605
    return SystemDictionary::find(klass_name, loader, prot, thread) != NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   606
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   607
    return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   608
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   609
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   610
489c9b5090e2 Initial load
duke
parents:
diff changeset
   611
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   612
bool Method::is_klass_loaded(int refinfo_index, bool must_be_resolved) const {
12937
0032fb2caff6 7172967: Eliminate constMethod's _method backpointer to methodOop.
jiangli
parents: 11637
diff changeset
   613
  int klass_index = constants()->klass_ref_index_at(refinfo_index);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   614
  if (must_be_resolved) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   615
    // Make sure klass is resolved in constantpool.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   616
    if (constants()->tag_at(klass_index).is_unresolved_klass()) return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   617
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   618
  return is_klass_loaded_by_klass_index(klass_index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   619
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   620
489c9b5090e2 Initial load
duke
parents:
diff changeset
   621
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   622
void Method::set_native_function(address function, bool post_event_flag) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   623
  assert(function != NULL, "use clear_native_function to unregister natives");
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
   624
  assert(!is_method_handle_intrinsic() || function == SharedRuntime::native_method_throw_unsatisfied_link_error_entry(), "");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   625
  address* native_function = native_function_addr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   626
489c9b5090e2 Initial load
duke
parents:
diff changeset
   627
  // We can see racers trying to place the same native function into place. Once
489c9b5090e2 Initial load
duke
parents:
diff changeset
   628
  // is plenty.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   629
  address current = *native_function;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   630
  if (current == function) return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   631
  if (post_event_flag && JvmtiExport::should_post_native_method_bind() &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
   632
      function != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   633
    // native_method_throw_unsatisfied_link_error_entry() should only
489c9b5090e2 Initial load
duke
parents:
diff changeset
   634
    // be passed when post_event_flag is false.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   635
    assert(function !=
489c9b5090e2 Initial load
duke
parents:
diff changeset
   636
      SharedRuntime::native_method_throw_unsatisfied_link_error_entry(),
489c9b5090e2 Initial load
duke
parents:
diff changeset
   637
      "post_event_flag mis-match");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   638
489c9b5090e2 Initial load
duke
parents:
diff changeset
   639
    // post the bind event, and possible change the bind function
489c9b5090e2 Initial load
duke
parents:
diff changeset
   640
    JvmtiExport::post_native_method_bind(this, &function);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   641
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   642
  *native_function = function;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   643
  // This function can be called more than once. We must make sure that we always
489c9b5090e2 Initial load
duke
parents:
diff changeset
   644
  // use the latest registered method -> check if a stub already has been generated.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   645
  // If so, we have to make it not_entrant.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   646
  nmethod* nm = code(); // Put it into local variable to guard against concurrent updates
489c9b5090e2 Initial load
duke
parents:
diff changeset
   647
  if (nm != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   648
    nm->make_not_entrant();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   649
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   650
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   651
489c9b5090e2 Initial load
duke
parents:
diff changeset
   652
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   653
bool Method::has_native_function() const {
13392
1ef07ae0723d 7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents: 13391
diff changeset
   654
  if (is_method_handle_intrinsic())
1ef07ae0723d 7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents: 13391
diff changeset
   655
    return false;  // special-cased in SharedRuntime::generate_native_wrapper
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   656
  address func = native_function();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   657
  return (func != NULL && func != SharedRuntime::native_method_throw_unsatisfied_link_error_entry());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   658
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   659
489c9b5090e2 Initial load
duke
parents:
diff changeset
   660
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   661
void Method::clear_native_function() {
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
   662
  // Note: is_method_handle_intrinsic() is allowed here.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   663
  set_native_function(
489c9b5090e2 Initial load
duke
parents:
diff changeset
   664
    SharedRuntime::native_method_throw_unsatisfied_link_error_entry(),
489c9b5090e2 Initial load
duke
parents:
diff changeset
   665
    !native_bind_event_is_interesting);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   666
  clear_code();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   667
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   668
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   669
address Method::critical_native_function() {
11637
030466036615 7013347: allow crypto functions to be called inline to enhance performance
never
parents: 10537
diff changeset
   670
  methodHandle mh(this);
030466036615 7013347: allow crypto functions to be called inline to enhance performance
never
parents: 10537
diff changeset
   671
  return NativeLookup::lookup_critical_entry(mh);
030466036615 7013347: allow crypto functions to be called inline to enhance performance
never
parents: 10537
diff changeset
   672
}
030466036615 7013347: allow crypto functions to be called inline to enhance performance
never
parents: 10537
diff changeset
   673
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   674
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   675
void Method::set_signature_handler(address handler) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   676
  address* signature_handler =  signature_handler_addr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   677
  *signature_handler = handler;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   678
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   679
489c9b5090e2 Initial load
duke
parents:
diff changeset
   680
15479
e3c00ec80145 8006613: adding reason to made_not_compilable
vlivanov
parents: 15110
diff changeset
   681
void Method::print_made_not_compilable(int comp_level, bool is_osr, bool report, const char* reason) {
4756
da88c27a9241 6923043: failed nightly tests which use -XX:+PrintCompilation -Xcomp -XX:CompileOnly
kvn
parents: 4754
diff changeset
   682
  if (PrintCompilation && report) {
4754
8aef16f24e16 6614597: Performance variability in jvm2008 xml.validation
kvn
parents: 4750
diff changeset
   683
    ttyLocker ttyl;
13891
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   684
    tty->print("made not %scompilable on ", is_osr ? "OSR " : "");
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   685
    if (comp_level == CompLevel_all) {
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   686
      tty->print("all levels ");
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   687
    } else {
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   688
      tty->print("levels ");
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   689
      for (int i = (int)CompLevel_none; i <= comp_level; i++) {
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   690
        tty->print("%d ", i);
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   691
      }
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   692
    }
4754
8aef16f24e16 6614597: Performance variability in jvm2008 xml.validation
kvn
parents: 4750
diff changeset
   693
    this->print_short_name(tty);
8aef16f24e16 6614597: Performance variability in jvm2008 xml.validation
kvn
parents: 4750
diff changeset
   694
    int size = this->code_size();
15479
e3c00ec80145 8006613: adding reason to made_not_compilable
vlivanov
parents: 15110
diff changeset
   695
    if (size > 0) {
4754
8aef16f24e16 6614597: Performance variability in jvm2008 xml.validation
kvn
parents: 4750
diff changeset
   696
      tty->print(" (%d bytes)", size);
15479
e3c00ec80145 8006613: adding reason to made_not_compilable
vlivanov
parents: 15110
diff changeset
   697
    }
e3c00ec80145 8006613: adding reason to made_not_compilable
vlivanov
parents: 15110
diff changeset
   698
    if (reason != NULL) {
e3c00ec80145 8006613: adding reason to made_not_compilable
vlivanov
parents: 15110
diff changeset
   699
      tty->print("   %s", reason);
e3c00ec80145 8006613: adding reason to made_not_compilable
vlivanov
parents: 15110
diff changeset
   700
    }
4754
8aef16f24e16 6614597: Performance variability in jvm2008 xml.validation
kvn
parents: 4750
diff changeset
   701
    tty->cr();
8aef16f24e16 6614597: Performance variability in jvm2008 xml.validation
kvn
parents: 4750
diff changeset
   702
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   703
  if ((TraceDeoptimization || LogCompilation) && (xtty != NULL)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   704
    ttyLocker ttyl;
13964
01a2b863cc61 7177003: C1: LogCompilation support
vlivanov
parents: 13891
diff changeset
   705
    xtty->begin_elem("make_not_%scompilable thread='" UINTX_FORMAT "'",
01a2b863cc61 7177003: C1: LogCompilation support
vlivanov
parents: 13891
diff changeset
   706
                     is_osr ? "osr_" : "", os::current_thread_id());
15479
e3c00ec80145 8006613: adding reason to made_not_compilable
vlivanov
parents: 15110
diff changeset
   707
    if (reason != NULL) {
e3c00ec80145 8006613: adding reason to made_not_compilable
vlivanov
parents: 15110
diff changeset
   708
      xtty->print(" reason=\'%s\'", reason);
e3c00ec80145 8006613: adding reason to made_not_compilable
vlivanov
parents: 15110
diff changeset
   709
    }
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   710
    xtty->method(this);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   711
    xtty->stamp();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   712
    xtty->end_elem();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   713
  }
13891
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   714
}
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   715
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   716
bool Method::is_not_compilable(int comp_level) const {
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   717
  if (number_of_breakpoints() > 0)
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   718
    return true;
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   719
  if (is_method_handle_intrinsic())
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   720
    return !is_synthetic();  // the generated adapters must be compiled
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   721
  if (comp_level == CompLevel_any)
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   722
    return is_not_c1_compilable() || is_not_c2_compilable();
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   723
  if (is_c1_compile(comp_level))
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   724
    return is_not_c1_compilable();
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   725
  if (is_c2_compile(comp_level))
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   726
    return is_not_c2_compilable();
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   727
  return false;
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   728
}
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   729
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   730
// call this when compiler finds that this method is not compilable
15479
e3c00ec80145 8006613: adding reason to made_not_compilable
vlivanov
parents: 15110
diff changeset
   731
void Method::set_not_compilable(int comp_level, bool report, const char* reason) {
e3c00ec80145 8006613: adding reason to made_not_compilable
vlivanov
parents: 15110
diff changeset
   732
  print_made_not_compilable(comp_level, /*is_osr*/ false, report, reason);
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
   733
  if (comp_level == CompLevel_all) {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
   734
    set_not_c1_compilable();
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
   735
    set_not_c2_compilable();
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
   736
  } else {
13891
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   737
    if (is_c1_compile(comp_level))
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
   738
      set_not_c1_compilable();
13891
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   739
    if (is_c2_compile(comp_level))
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   740
      set_not_c2_compilable();
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   741
  }
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   742
  CompilationPolicy::policy()->disable_compilation(this);
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   743
}
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   744
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   745
bool Method::is_not_osr_compilable(int comp_level) const {
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   746
  if (is_not_compilable(comp_level))
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   747
    return true;
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   748
  if (comp_level == CompLevel_any)
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   749
    return is_not_c1_osr_compilable() || is_not_c2_osr_compilable();
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   750
  if (is_c1_compile(comp_level))
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   751
    return is_not_c1_osr_compilable();
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   752
  if (is_c2_compile(comp_level))
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   753
    return is_not_c2_osr_compilable();
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   754
  return false;
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   755
}
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   756
15479
e3c00ec80145 8006613: adding reason to made_not_compilable
vlivanov
parents: 15110
diff changeset
   757
void Method::set_not_osr_compilable(int comp_level, bool report, const char* reason) {
e3c00ec80145 8006613: adding reason to made_not_compilable
vlivanov
parents: 15110
diff changeset
   758
  print_made_not_compilable(comp_level, /*is_osr*/ true, report, reason);
13891
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   759
  if (comp_level == CompLevel_all) {
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   760
    set_not_c1_osr_compilable();
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   761
    set_not_c2_osr_compilable();
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   762
  } else {
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   763
    if (is_c1_compile(comp_level))
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   764
      set_not_c1_osr_compilable();
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   765
    if (is_c2_compile(comp_level))
35dabd293e56 7200001: failed C1 OSR compile doesn't get recompiled with C2
twisti
parents: 13882
diff changeset
   766
      set_not_c2_osr_compilable();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   767
  }
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
   768
  CompilationPolicy::policy()->disable_compilation(this);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   769
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   770
489c9b5090e2 Initial load
duke
parents:
diff changeset
   771
// Revert to using the interpreter and clear out the nmethod
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   772
void Method::clear_code() {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   773
489c9b5090e2 Initial load
duke
parents:
diff changeset
   774
  // this may be NULL if c2i adapters have not been made yet
489c9b5090e2 Initial load
duke
parents:
diff changeset
   775
  // Only should happen at allocate time.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   776
  if (_adapter == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   777
    _from_compiled_entry    = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   778
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   779
    _from_compiled_entry    = _adapter->get_c2i_entry();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   780
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   781
  OrderAccess::storestore();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   782
  _from_interpreted_entry = _i2i_entry;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   783
  OrderAccess::storestore();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   784
  _code = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   785
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   786
489c9b5090e2 Initial load
duke
parents:
diff changeset
   787
// Called by class data sharing to remove any entry points (which are not shared)
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   788
void Method::unlink_method() {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   789
  _code = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   790
  _i2i_entry = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   791
  _from_interpreted_entry = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   792
  if (is_native()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   793
    *native_function_addr() = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   794
    set_signature_handler(NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   795
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   796
  NOT_PRODUCT(set_compiled_invocation_count(0);)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   797
  invocation_counter()->reset();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   798
  backedge_counter()->reset();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   799
  _adapter = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   800
  _from_compiled_entry = NULL;
16352
1ff72c6eaa70 8007725: NPG: Klass::restore_unshareable_info() triggers assert(k->java_mirror() == NULL)
coleenp
parents: 15931
diff changeset
   801
1ff72c6eaa70 8007725: NPG: Klass::restore_unshareable_info() triggers assert(k->java_mirror() == NULL)
coleenp
parents: 15931
diff changeset
   802
  // In case of DumpSharedSpaces, _method_data should always be NULL.
1ff72c6eaa70 8007725: NPG: Klass::restore_unshareable_info() triggers assert(k->java_mirror() == NULL)
coleenp
parents: 15931
diff changeset
   803
  //
1ff72c6eaa70 8007725: NPG: Klass::restore_unshareable_info() triggers assert(k->java_mirror() == NULL)
coleenp
parents: 15931
diff changeset
   804
  // During runtime (!DumpSharedSpaces), when we are cleaning a
1ff72c6eaa70 8007725: NPG: Klass::restore_unshareable_info() triggers assert(k->java_mirror() == NULL)
coleenp
parents: 15931
diff changeset
   805
  // shared class that failed to load, this->link_method() may
1ff72c6eaa70 8007725: NPG: Klass::restore_unshareable_info() triggers assert(k->java_mirror() == NULL)
coleenp
parents: 15931
diff changeset
   806
  // have already been called (before an exception happened), so
1ff72c6eaa70 8007725: NPG: Klass::restore_unshareable_info() triggers assert(k->java_mirror() == NULL)
coleenp
parents: 15931
diff changeset
   807
  // this->_method_data may not be NULL.
1ff72c6eaa70 8007725: NPG: Klass::restore_unshareable_info() triggers assert(k->java_mirror() == NULL)
coleenp
parents: 15931
diff changeset
   808
  assert(!DumpSharedSpaces || _method_data == NULL, "unexpected method data?");
1ff72c6eaa70 8007725: NPG: Klass::restore_unshareable_info() triggers assert(k->java_mirror() == NULL)
coleenp
parents: 15931
diff changeset
   809
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   810
  set_method_data(NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   811
  set_interpreter_throwout_count(0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   812
  set_interpreter_invocation_count(0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   813
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   814
489c9b5090e2 Initial load
duke
parents:
diff changeset
   815
// Called when the method_holder is getting linked. Setup entrypoints so the method
489c9b5090e2 Initial load
duke
parents:
diff changeset
   816
// is ready to be called from interpreter, compiler, and vtables.
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   817
void Method::link_method(methodHandle h_method, TRAPS) {
9971
d496ecd7b9de 7033141: assert(has_cp_cache(i)) failed: oob
coleenp
parents: 9134
diff changeset
   818
  // If the code cache is full, we may reenter this function for the
d496ecd7b9de 7033141: assert(has_cp_cache(i)) failed: oob
coleenp
parents: 9134
diff changeset
   819
  // leftover methods that weren't linked.
d496ecd7b9de 7033141: assert(has_cp_cache(i)) failed: oob
coleenp
parents: 9134
diff changeset
   820
  if (_i2i_entry != NULL) return;
d496ecd7b9de 7033141: assert(has_cp_cache(i)) failed: oob
coleenp
parents: 9134
diff changeset
   821
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   822
  assert(_adapter == NULL, "init'd to NULL" );
489c9b5090e2 Initial load
duke
parents:
diff changeset
   823
  assert( _code == NULL, "nothing compiled yet" );
489c9b5090e2 Initial load
duke
parents:
diff changeset
   824
489c9b5090e2 Initial load
duke
parents:
diff changeset
   825
  // Setup interpreter entrypoint
489c9b5090e2 Initial load
duke
parents:
diff changeset
   826
  assert(this == h_method(), "wrong h_method()" );
489c9b5090e2 Initial load
duke
parents:
diff changeset
   827
  address entry = Interpreter::entry_for_method(h_method);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   828
  assert(entry != NULL, "interpreter entry must be non-null");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   829
  // Sets both _i2i_entry and _from_interpreted_entry
489c9b5090e2 Initial load
duke
parents:
diff changeset
   830
  set_interpreter_entry(entry);
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
   831
  if (is_native() && !is_method_handle_intrinsic()) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   832
    set_native_function(
489c9b5090e2 Initial load
duke
parents:
diff changeset
   833
      SharedRuntime::native_method_throw_unsatisfied_link_error_entry(),
489c9b5090e2 Initial load
duke
parents:
diff changeset
   834
      !native_bind_event_is_interesting);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   835
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   836
489c9b5090e2 Initial load
duke
parents:
diff changeset
   837
  // Setup compiler entrypoint.  This is made eagerly, so we do not need
489c9b5090e2 Initial load
duke
parents:
diff changeset
   838
  // special handling of vtables.  An alternative is to make adapters more
489c9b5090e2 Initial load
duke
parents:
diff changeset
   839
  // lazily by calling make_adapter() from from_compiled_entry() for the
489c9b5090e2 Initial load
duke
parents:
diff changeset
   840
  // normal calls.  For vtable calls life gets more complicated.  When a
489c9b5090e2 Initial load
duke
parents:
diff changeset
   841
  // call-site goes mega-morphic we need adapters in all methods which can be
489c9b5090e2 Initial load
duke
parents:
diff changeset
   842
  // called from the vtable.  We need adapters on such methods that get loaded
489c9b5090e2 Initial load
duke
parents:
diff changeset
   843
  // later.  Ditto for mega-morphic itable calls.  If this proves to be a
489c9b5090e2 Initial load
duke
parents:
diff changeset
   844
  // problem we'll make these lazily later.
9972
a91e8e564b52 7049928: VM crashes with "assert(_adapter != NULL) failed: must have" at methodOop.cpp:63
coleenp
parents: 9971
diff changeset
   845
  (void) make_adapters(h_method, CHECK);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   846
489c9b5090e2 Initial load
duke
parents:
diff changeset
   847
  // ONLY USE the h_method now as make_adapter may have blocked
489c9b5090e2 Initial load
duke
parents:
diff changeset
   848
489c9b5090e2 Initial load
duke
parents:
diff changeset
   849
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   850
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   851
address Method::make_adapters(methodHandle mh, TRAPS) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   852
  // Adapters for compiled code are made eagerly here.  They are fairly
489c9b5090e2 Initial load
duke
parents:
diff changeset
   853
  // small (generally < 100 bytes) and quick to make (and cached and shared)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   854
  // so making them eagerly shouldn't be too expensive.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   855
  AdapterHandlerEntry* adapter = AdapterHandlerLibrary::get_adapter(mh);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   856
  if (adapter == NULL ) {
4735
3d4e4ec0df67 6911204: generated adapters with large signatures can fill up the code cache
never
parents: 4581
diff changeset
   857
    THROW_MSG_NULL(vmSymbols::java_lang_VirtualMachineError(), "out of space in CodeCache for adapters");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   858
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   859
489c9b5090e2 Initial load
duke
parents:
diff changeset
   860
  mh->set_adapter_entry(adapter);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   861
  mh->_from_compiled_entry = adapter->get_c2i_entry();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   862
  return adapter->get_c2i_entry();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   863
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   864
489c9b5090e2 Initial load
duke
parents:
diff changeset
   865
// The verified_code_entry() must be called when a invoke is resolved
489c9b5090e2 Initial load
duke
parents:
diff changeset
   866
// on this method.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   867
489c9b5090e2 Initial load
duke
parents:
diff changeset
   868
// It returns the compiled code entry point, after asserting not null.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   869
// This function is called after potential safepoints so that nmethod
489c9b5090e2 Initial load
duke
parents:
diff changeset
   870
// or adapter that it points to is still live and valid.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   871
// This function must not hit a safepoint!
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   872
address Method::verified_code_entry() {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   873
  debug_only(No_Safepoint_Verifier nsv;)
4750
71fd601907dc 4360113: Evict nmethods when code cache gets full
kvn
parents: 4735
diff changeset
   874
  nmethod *code = (nmethod *)OrderAccess::load_ptr_acquire(&_code);
71fd601907dc 4360113: Evict nmethods when code cache gets full
kvn
parents: 4735
diff changeset
   875
  if (code == NULL && UseCodeCacheFlushing) {
71fd601907dc 4360113: Evict nmethods when code cache gets full
kvn
parents: 4735
diff changeset
   876
    nmethod *saved_code = CodeCache::find_and_remove_saved_code(this);
71fd601907dc 4360113: Evict nmethods when code cache gets full
kvn
parents: 4735
diff changeset
   877
    if (saved_code != NULL) {
71fd601907dc 4360113: Evict nmethods when code cache gets full
kvn
parents: 4735
diff changeset
   878
      methodHandle method(this);
71fd601907dc 4360113: Evict nmethods when code cache gets full
kvn
parents: 4735
diff changeset
   879
      assert( ! saved_code->is_osr_method(), "should not get here for osr" );
71fd601907dc 4360113: Evict nmethods when code cache gets full
kvn
parents: 4735
diff changeset
   880
      set_code( method, saved_code );
71fd601907dc 4360113: Evict nmethods when code cache gets full
kvn
parents: 4735
diff changeset
   881
    }
71fd601907dc 4360113: Evict nmethods when code cache gets full
kvn
parents: 4735
diff changeset
   882
  }
71fd601907dc 4360113: Evict nmethods when code cache gets full
kvn
parents: 4735
diff changeset
   883
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   884
  assert(_from_compiled_entry != NULL, "must be set");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   885
  return _from_compiled_entry;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   886
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   887
489c9b5090e2 Initial load
duke
parents:
diff changeset
   888
// Check that if an nmethod ref exists, it has a backlink to this or no backlink at all
489c9b5090e2 Initial load
duke
parents:
diff changeset
   889
// (could be racing a deopt).
489c9b5090e2 Initial load
duke
parents:
diff changeset
   890
// Not inline to avoid circular ref.
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   891
bool Method::check_code() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   892
  // cached in a register or local.  There's a race on the value of the field.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   893
  nmethod *code = (nmethod *)OrderAccess::load_ptr_acquire(&_code);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   894
  return code == NULL || (code->method() == NULL) || (code->method() == (Method*)this && !code->is_osr_method());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   895
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   896
489c9b5090e2 Initial load
duke
parents:
diff changeset
   897
// Install compiled code.  Instantly it can execute.
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   898
void Method::set_code(methodHandle mh, nmethod *code) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   899
  assert( code, "use clear_code to remove code" );
489c9b5090e2 Initial load
duke
parents:
diff changeset
   900
  assert( mh->check_code(), "" );
489c9b5090e2 Initial load
duke
parents:
diff changeset
   901
489c9b5090e2 Initial load
duke
parents:
diff changeset
   902
  guarantee(mh->adapter() != NULL, "Adapter blob must already exist!");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   903
489c9b5090e2 Initial load
duke
parents:
diff changeset
   904
  // These writes must happen in this order, because the interpreter will
489c9b5090e2 Initial load
duke
parents:
diff changeset
   905
  // directly jump to from_interpreted_entry which jumps to an i2c adapter
489c9b5090e2 Initial load
duke
parents:
diff changeset
   906
  // which jumps to _from_compiled_entry.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   907
  mh->_code = code;             // Assign before allowing compiled code to exec
489c9b5090e2 Initial load
duke
parents:
diff changeset
   908
489c9b5090e2 Initial load
duke
parents:
diff changeset
   909
  int comp_level = code->comp_level();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   910
  // In theory there could be a race here. In practice it is unlikely
489c9b5090e2 Initial load
duke
parents:
diff changeset
   911
  // and not worth worrying about.
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
   912
  if (comp_level > mh->highest_comp_level()) {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
   913
    mh->set_highest_comp_level(comp_level);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   914
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   915
489c9b5090e2 Initial load
duke
parents:
diff changeset
   916
  OrderAccess::storestore();
6187
4fa7845f7c14 6976186: integrate Shark HotSpot changes
twisti
parents: 6064
diff changeset
   917
#ifdef SHARK
6771
3f9a5f169070 6990549: Zero and Shark fixes after 6978355 and 6953144
twisti
parents: 6463
diff changeset
   918
  mh->_from_interpreted_entry = code->insts_begin();
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
   919
#else //!SHARK
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   920
  mh->_from_compiled_entry = code->verified_entry_point();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   921
  OrderAccess::storestore();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   922
  // Instantly compiled code can execute.
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
   923
  if (!mh->is_method_handle_intrinsic())
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
   924
    mh->_from_interpreted_entry = mh->get_i2c_entry();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
   925
#endif //!SHARK
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   926
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   927
489c9b5090e2 Initial load
duke
parents:
diff changeset
   928
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   929
bool Method::is_overridden_in(Klass* k) const {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   930
  InstanceKlass* ik = InstanceKlass::cast(k);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   931
489c9b5090e2 Initial load
duke
parents:
diff changeset
   932
  if (ik->is_interface()) return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   933
489c9b5090e2 Initial load
duke
parents:
diff changeset
   934
  // If method is an interface, we skip it - except if it
489c9b5090e2 Initial load
duke
parents:
diff changeset
   935
  // is a miranda method
14391
df0a1573d5bd 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents: 14386
diff changeset
   936
  if (method_holder()->is_interface()) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   937
    // Check that method is not a miranda method
489c9b5090e2 Initial load
duke
parents:
diff changeset
   938
    if (ik->lookup_method(name(), signature()) == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   939
      // No implementation exist - so miranda method
489c9b5090e2 Initial load
duke
parents:
diff changeset
   940
      return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   941
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   942
    return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   943
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   944
489c9b5090e2 Initial load
duke
parents:
diff changeset
   945
  assert(ik->is_subclass_of(method_holder()), "should be subklass");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   946
  assert(ik->vtable() != NULL, "vtable should exist");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   947
  if (vtable_index() == nonvirtual_vtable_index) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   948
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   949
  } else {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   950
    Method* vt_m = ik->method_at_vtable(vtable_index());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   951
    return vt_m != this;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   952
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   953
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   954
489c9b5090e2 Initial load
duke
parents:
diff changeset
   955
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   956
// give advice about whether this Method* should be cached or not
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   957
bool Method::should_not_be_cached() const {
221
ec745a0fe922 6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents: 1
diff changeset
   958
  if (is_old()) {
ec745a0fe922 6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents: 1
diff changeset
   959
    // This method has been redefined. It is either EMCP or obsolete
ec745a0fe922 6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents: 1
diff changeset
   960
    // and we don't want to cache it because that would pin the method
ec745a0fe922 6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents: 1
diff changeset
   961
    // down and prevent it from being collectible if and when it
ec745a0fe922 6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents: 1
diff changeset
   962
    // finishes executing.
ec745a0fe922 6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents: 1
diff changeset
   963
    return true;
ec745a0fe922 6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents: 1
diff changeset
   964
  }
ec745a0fe922 6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents: 1
diff changeset
   965
ec745a0fe922 6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents: 1
diff changeset
   966
  // caching this method should be just fine
ec745a0fe922 6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents: 1
diff changeset
   967
  return false;
ec745a0fe922 6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents: 1
diff changeset
   968
}
ec745a0fe922 6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents: 1
diff changeset
   969
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
   970
// Constant pool structure for invoke methods:
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
   971
enum {
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
   972
  _imcp_invoke_name = 1,        // utf8: 'invokeExact', etc.
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7913
diff changeset
   973
  _imcp_invoke_signature,       // utf8: (variable Symbol*)
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
   974
  _imcp_limit
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
   975
};
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
   976
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
   977
// Test if this method is an MH adapter frame generated by Java code.
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
   978
// Cf. java/lang/invoke/InvokerBytecodeGenerator
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   979
bool Method::is_compiled_lambda_form() const {
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
   980
  return intrinsic_id() == vmIntrinsics::_compiledLambdaForm;
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
   981
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
   982
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
   983
// Test if this method is an internal MH primitive method.
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   984
bool Method::is_method_handle_intrinsic() const {
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
   985
  vmIntrinsics::ID iid = intrinsic_id();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
   986
  return (MethodHandles::is_signature_polymorphic(iid) &&
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
   987
          MethodHandles::is_signature_polymorphic_intrinsic(iid));
4581
e89fbd1bcb3d 6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents: 4571
diff changeset
   988
}
e89fbd1bcb3d 6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents: 4571
diff changeset
   989
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   990
bool Method::has_member_arg() const {
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
   991
  vmIntrinsics::ID iid = intrinsic_id();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
   992
  return (MethodHandles::is_signature_polymorphic(iid) &&
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
   993
          MethodHandles::has_member_arg(iid));
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
   994
}
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
   995
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
   996
// Make an instance of a signature-polymorphic internal MH primitive.
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
   997
methodHandle Method::make_method_handle_intrinsic(vmIntrinsics::ID iid,
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
   998
                                                         Symbol* signature,
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
   999
                                                         TRAPS) {
10500
0f9de4fc106e 7082949: JSR 292: missing ResourceMark in methodOopDesc::make_invoke_method
never
parents: 10018
diff changeset
  1000
  ResourceMark rm;
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
  1001
  methodHandle empty;
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
  1002
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1003
  KlassHandle holder = SystemDictionary::MethodHandle_klass();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1004
  Symbol* name = MethodHandles::signature_polymorphic_intrinsic_name(iid);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1005
  assert(iid == MethodHandles::signature_polymorphic_name_id(name), "");
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
  1006
  if (TraceMethodHandles) {
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1007
    tty->print_cr("make_method_handle_intrinsic MH.%s%s", name->as_C_string(), signature->as_C_string());
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
  1008
  }
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
  1009
9134
189a8c094016 6987991: JSR 292 phpreboot test/testtracefun2.phpr segfaults
jrose
parents: 9116
diff changeset
  1010
  // invariant:   cp->symbol_at_put is preceded by a refcount increment (more usually a lookup)
189a8c094016 6987991: JSR 292 phpreboot test/testtracefun2.phpr segfaults
jrose
parents: 9116
diff changeset
  1011
  name->increment_refcount();
189a8c094016 6987991: JSR 292 phpreboot test/testtracefun2.phpr segfaults
jrose
parents: 9116
diff changeset
  1012
  signature->increment_refcount();
189a8c094016 6987991: JSR 292 phpreboot test/testtracefun2.phpr segfaults
jrose
parents: 9116
diff changeset
  1013
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1014
  int cp_length = _imcp_limit;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1015
  ClassLoaderData* loader_data = holder->class_loader_data();
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
  1016
  constantPoolHandle cp;
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
  1017
  {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1018
    ConstantPool* cp_oop = ConstantPool::allocate(loader_data, cp_length, CHECK_(empty));
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
  1019
    cp = constantPoolHandle(THREAD, cp_oop);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
  1020
  }
14391
df0a1573d5bd 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents: 14386
diff changeset
  1021
  cp->set_pool_holder(InstanceKlass::cast(holder()));
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7913
diff changeset
  1022
  cp->symbol_at_put(_imcp_invoke_name,       name);
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7913
diff changeset
  1023
  cp->symbol_at_put(_imcp_invoke_signature,  signature);
15430
7c35f12cf1e5 8006040: NPG: on_stack processing wastes space in ConstantPool
coleenp
parents: 15110
diff changeset
  1024
  cp->set_has_preresolution();
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
  1025
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1026
  // decide on access bits:  public or not?
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1027
  int flags_bits = (JVM_ACC_NATIVE | JVM_ACC_SYNTHETIC | JVM_ACC_FINAL);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1028
  bool must_be_static = MethodHandles::is_signature_polymorphic_static(iid);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1029
  if (must_be_static)  flags_bits |= JVM_ACC_STATIC;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1030
  assert((flags_bits & JVM_ACC_PUBLIC) == 0, "do not expose these methods");
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1031
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
  1032
  methodHandle m;
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
  1033
  {
15601
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15595
diff changeset
  1034
    InlineTableSizes sizes;
15102
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15097
diff changeset
  1035
    Method* m_oop = Method::allocate(loader_data, 0,
15601
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15595
diff changeset
  1036
                                     accessFlags_from(flags_bits), &sizes,
15102
0a86564e5f61 8004728: Add hotspot support for parameter reflection
coleenp
parents: 15097
diff changeset
  1037
                                     ConstMethod::NORMAL, CHECK_(empty));
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
  1038
    m = methodHandle(THREAD, m_oop);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
  1039
  }
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
  1040
  m->set_constants(cp());
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
  1041
  m->set_name_index(_imcp_invoke_name);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
  1042
  m->set_signature_index(_imcp_invoke_signature);
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1043
  assert(MethodHandles::is_signature_polymorphic_name(m->name()), "");
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7913
diff changeset
  1044
  assert(m->signature() == signature, "");
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
  1045
#ifdef CC_INTERP
8326
752682831ac6 7018673: Zero: 6953144, 6990754 and 7009756 made some changes which broke Zero
twisti
parents: 8076
diff changeset
  1046
  ResultTypeFinder rtf(signature);
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
  1047
  m->set_result_index(rtf.type());
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
  1048
#endif
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
  1049
  m->compute_size_of_parameters(THREAD);
6463
f4362c8da849 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents: 6453
diff changeset
  1050
  m->init_intrinsic_id();
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1051
  assert(m->is_method_handle_intrinsic(), "");
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1052
#ifdef ASSERT
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1053
  if (!MethodHandles::is_signature_polymorphic(m->intrinsic_id()))  m->print();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1054
  assert(MethodHandles::is_signature_polymorphic(m->intrinsic_id()), "must be an invoker");
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1055
  assert(m->intrinsic_id() == iid, "correctly predicted iid");
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1056
#endif //ASSERT
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
  1057
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
  1058
  // Finally, set up its entry points.
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
  1059
  assert(m->can_be_statically_bound(), "");
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1060
  m->set_vtable_index(Method::nonvirtual_vtable_index);
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
  1061
  m->link_method(m, CHECK_(empty));
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
  1062
4094
1f424b2b2171 6815692: method handle code needs some cleanup (post-6655638)
jrose
parents: 3273
diff changeset
  1063
  if (TraceMethodHandles && (Verbose || WizardMode))
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
  1064
    m->print_on(tty);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
  1065
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
  1066
  return m;
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
  1067
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
  1068
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1069
Klass* Method::check_non_bcp_klass(Klass* klass) {
14488
ab48109f7d1b 8001471: Klass::cast() does nothing
hseigel
parents: 14391
diff changeset
  1070
  if (klass != NULL && klass->class_loader() != NULL) {
ab48109f7d1b 8001471: Klass::cast() does nothing
hseigel
parents: 14391
diff changeset
  1071
    if (klass->oop_is_objArray())
13952
e3cf184080bc 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents: 13891
diff changeset
  1072
      klass = ObjArrayKlass::cast(klass)->bottom_klass();
10008
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9972
diff changeset
  1073
    return klass;
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9972
diff changeset
  1074
  }
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9972
diff changeset
  1075
  return NULL;
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9972
diff changeset
  1076
}
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2105
diff changeset
  1077
221
ec745a0fe922 6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure
dcubed
parents: 1
diff changeset
  1078
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1079
methodHandle Method::clone_with_new_data(methodHandle m, u_char* new_code, int new_code_length,
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1080
                                                u_char* new_compressed_linenumber_table, int new_compressed_linenumber_size, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1081
  // Code below does not work for native methods - they should never get rewritten anyway
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1082
  assert(!m->is_native(), "cannot rewrite native methods");
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1083
  // Allocate new Method*
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1084
  AccessFlags flags = m->access_flags();
15601
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15595
diff changeset
  1085
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15595
diff changeset
  1086
  ConstMethod* cm = m->constMethod();
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15595
diff changeset
  1087
  int checked_exceptions_len = cm->checked_exceptions_length();
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15595
diff changeset
  1088
  int localvariable_len = cm->localvariable_table_length();
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15595
diff changeset
  1089
  int exception_table_len = cm->exception_table_length();
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15595
diff changeset
  1090
  int method_parameters_len = cm->method_parameters_length();
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15595
diff changeset
  1091
  int method_annotations_len = cm->method_annotations_length();
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15595
diff changeset
  1092
  int parameter_annotations_len = cm->parameter_annotations_length();
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15595
diff changeset
  1093
  int type_annotations_len = cm->type_annotations_length();
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15595
diff changeset
  1094
  int default_annotations_len = cm->default_annotations_length();
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15595
diff changeset
  1095
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15595
diff changeset
  1096
  InlineTableSizes sizes(
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15595
diff changeset
  1097
      localvariable_len,
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15595
diff changeset
  1098
      new_compressed_linenumber_size,
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15595
diff changeset
  1099
      exception_table_len,
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15595
diff changeset
  1100
      checked_exceptions_len,
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15595
diff changeset
  1101
      method_parameters_len,
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15595
diff changeset
  1102
      cm->generic_signature_index(),
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15595
diff changeset
  1103
      method_annotations_len,
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15595
diff changeset
  1104
      parameter_annotations_len,
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15595
diff changeset
  1105
      type_annotations_len,
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15595
diff changeset
  1106
      default_annotations_len,
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15595
diff changeset
  1107
      0);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1108
14385
959bbcc16725 7200776: Implement default methods in interfaces
kamg
parents: 13974
diff changeset
  1109
  ClassLoaderData* loader_data = m->method_holder()->class_loader_data();
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1110
  Method* newm_oop = Method::allocate(loader_data,
14385
959bbcc16725 7200776: Implement default methods in interfaces
kamg
parents: 13974
diff changeset
  1111
                                      new_code_length,
959bbcc16725 7200776: Implement default methods in interfaces
kamg
parents: 13974
diff changeset
  1112
                                      flags,
15601
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15595
diff changeset
  1113
                                      &sizes,
14385
959bbcc16725 7200776: Implement default methods in interfaces
kamg
parents: 13974
diff changeset
  1114
                                      m->method_type(),
959bbcc16725 7200776: Implement default methods in interfaces
kamg
parents: 13974
diff changeset
  1115
                                      CHECK_(methodHandle()));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1116
  methodHandle newm (THREAD, newm_oop);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1117
  int new_method_size = newm->method_size();
1894
5c343868d071 6692899: CMS: many vm.parallel_class_loading tests fail with assert "missing Printezis mark"
jmasa
parents: 670
diff changeset
  1118
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1119
  // Create a shallow copy of Method part, but be careful to preserve the new ConstMethod*
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1120
  ConstMethod* newcm = newm->constMethod();
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1121
  int new_const_method_size = newm->constMethod()->size();
8296
b1c2163e4e59 6912621: iCMS: Error: assert(_markBitMap.isMarked(addr + 1),"Missing Printezis bit?")
ysr
parents: 8076
diff changeset
  1122
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1123
  memcpy(newm(), m(), sizeof(Method));
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1124
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1125
  // Create shallow copy of ConstMethod.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1126
  memcpy(newcm, m->constMethod(), sizeof(ConstMethod));
8296
b1c2163e4e59 6912621: iCMS: Error: assert(_markBitMap.isMarked(addr + 1),"Missing Printezis bit?")
ysr
parents: 8076
diff changeset
  1127
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1128
  // Reset correct method/const method, method size, and parameter info
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1129
  newm->set_constMethod(newcm);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1130
  newm->constMethod()->set_code_size(new_code_length);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1131
  newm->constMethod()->set_constMethod_size(new_const_method_size);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1132
  newm->set_method_size(new_method_size);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1133
  assert(newm->code_size() == new_code_length, "check");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1134
  assert(newm->checked_exceptions_length() == checked_exceptions_len, "check");
13285
5c78ade8d6a3 7181632: nsk classLoad001_14 failure and CompileTheWorld crash after 7178145.
jiangli
parents: 13282
diff changeset
  1135
  assert(newm->exception_table_length() == exception_table_len, "check");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1136
  assert(newm->localvariable_table_length() == localvariable_len, "check");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1137
  // Copy new byte codes
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1138
  memcpy(newm->code_base(), new_code, new_code_length);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1139
  // Copy line number table
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1140
  if (new_compressed_linenumber_size > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1141
    memcpy(newm->compressed_linenumber_table(),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1142
           new_compressed_linenumber_table,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1143
           new_compressed_linenumber_size);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1144
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1145
  // Copy checked_exceptions
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1146
  if (checked_exceptions_len > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1147
    memcpy(newm->checked_exceptions_start(),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1148
           m->checked_exceptions_start(),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1149
           checked_exceptions_len * sizeof(CheckedExceptionElement));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1150
  }
13285
5c78ade8d6a3 7181632: nsk classLoad001_14 failure and CompileTheWorld crash after 7178145.
jiangli
parents: 13282
diff changeset
  1151
  // Copy exception table
5c78ade8d6a3 7181632: nsk classLoad001_14 failure and CompileTheWorld crash after 7178145.
jiangli
parents: 13282
diff changeset
  1152
  if (exception_table_len > 0) {
5c78ade8d6a3 7181632: nsk classLoad001_14 failure and CompileTheWorld crash after 7178145.
jiangli
parents: 13282
diff changeset
  1153
    memcpy(newm->exception_table_start(),
5c78ade8d6a3 7181632: nsk classLoad001_14 failure and CompileTheWorld crash after 7178145.
jiangli
parents: 13282
diff changeset
  1154
           m->exception_table_start(),
5c78ade8d6a3 7181632: nsk classLoad001_14 failure and CompileTheWorld crash after 7178145.
jiangli
parents: 13282
diff changeset
  1155
           exception_table_len * sizeof(ExceptionTableElement));
5c78ade8d6a3 7181632: nsk classLoad001_14 failure and CompileTheWorld crash after 7178145.
jiangli
parents: 13282
diff changeset
  1156
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1157
  // Copy local variable number table
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1158
  if (localvariable_len > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1159
    memcpy(newm->localvariable_table_start(),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1160
           m->localvariable_table_start(),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1161
           localvariable_len * sizeof(LocalVariableTableElement));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1162
  }
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1163
  // Copy stackmap table
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1164
  if (m->has_stackmap_table()) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1165
    int code_attribute_length = m->stackmap_data()->length();
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1166
    Array<u1>* stackmap_data =
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1167
      MetadataFactory::new_array<u1>(loader_data, code_attribute_length, 0, CHECK_NULL);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1168
    memcpy((void*)stackmap_data->adr_at(0),
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1169
           (void*)m->stackmap_data()->adr_at(0), code_attribute_length);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1170
    newm->set_stackmap_data(stackmap_data);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1171
  }
1894
5c343868d071 6692899: CMS: many vm.parallel_class_loading tests fail with assert "missing Printezis mark"
jmasa
parents: 670
diff changeset
  1172
16588
7e90e795813e 8009531: Crash when redefining class with annotated method
coleenp
parents: 16352
diff changeset
  1173
  // copy annotations over to new method
7e90e795813e 8009531: Crash when redefining class with annotated method
coleenp
parents: 16352
diff changeset
  1174
  newcm->copy_annotations_from(cm);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1175
  return newm;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1176
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1177
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1178
vmSymbols::SID Method::klass_id_for_intrinsics(Klass* holder) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1179
  // if loader is not the default loader (i.e., != NULL), we can't know the intrinsics
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1180
  // because we are not loading from core libraries
14132
3c1437abcefd 7184394: add intrinsics to use AES instructions
kvn
parents: 13974
diff changeset
  1181
  // exception: the AES intrinsics come from lib/ext/sunjce_provider.jar
3c1437abcefd 7184394: add intrinsics to use AES instructions
kvn
parents: 13974
diff changeset
  1182
  // which does not use the class default class loader so we check for its loader here
3c1437abcefd 7184394: add intrinsics to use AES instructions
kvn
parents: 13974
diff changeset
  1183
  if ((InstanceKlass::cast(holder)->class_loader() != NULL) &&
3c1437abcefd 7184394: add intrinsics to use AES instructions
kvn
parents: 13974
diff changeset
  1184
       InstanceKlass::cast(holder)->class_loader()->klass()->name() != vmSymbols::sun_misc_Launcher_ExtClassLoader()) {
3273
6acf7084b1d3 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 2570
diff changeset
  1185
    return vmSymbols::NO_SID;   // regardless of name, no intrinsics here
14132
3c1437abcefd 7184394: add intrinsics to use AES instructions
kvn
parents: 13974
diff changeset
  1186
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1187
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1188
  // see if the klass name is well-known:
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1189
  Symbol* klass_name = InstanceKlass::cast(holder)->name();
3273
6acf7084b1d3 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 2570
diff changeset
  1190
  return vmSymbols::find_sid(klass_name);
6acf7084b1d3 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 2570
diff changeset
  1191
}
6acf7084b1d3 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 2570
diff changeset
  1192
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1193
void Method::init_intrinsic_id() {
3273
6acf7084b1d3 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 2570
diff changeset
  1194
  assert(_intrinsic_id == vmIntrinsics::_none, "do this just once");
6acf7084b1d3 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 2570
diff changeset
  1195
  const uintptr_t max_id_uint = right_n_bits((int)(sizeof(_intrinsic_id) * BitsPerByte));
6acf7084b1d3 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 2570
diff changeset
  1196
  assert((uintptr_t)vmIntrinsics::ID_LIMIT <= max_id_uint, "else fix size");
6463
f4362c8da849 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents: 6453
diff changeset
  1197
  assert(intrinsic_id_size_in_bytes() == sizeof(_intrinsic_id), "");
3273
6acf7084b1d3 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 2570
diff changeset
  1198
6acf7084b1d3 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 2570
diff changeset
  1199
  // the klass name is well-known:
6acf7084b1d3 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 2570
diff changeset
  1200
  vmSymbols::SID klass_id = klass_id_for_intrinsics(method_holder());
6acf7084b1d3 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 2570
diff changeset
  1201
  assert(klass_id != vmSymbols::NO_SID, "caller responsibility");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1202
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1203
  // ditto for method and signature:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1204
  vmSymbols::SID  name_id = vmSymbols::find_sid(name());
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1205
  if (klass_id != vmSymbols::VM_SYMBOL_ENUM_NAME(java_lang_invoke_MethodHandle)
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1206
      && name_id == vmSymbols::NO_SID)
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1207
    return;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1208
  vmSymbols::SID   sig_id = vmSymbols::find_sid(signature());
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  1209
  if (klass_id != vmSymbols::VM_SYMBOL_ENUM_NAME(java_lang_invoke_MethodHandle)
6463
f4362c8da849 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents: 6453
diff changeset
  1210
      && sig_id == vmSymbols::NO_SID)  return;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1211
  jshort flags = access_flags().as_short();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1212
3273
6acf7084b1d3 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 2570
diff changeset
  1213
  vmIntrinsics::ID id = vmIntrinsics::find_id(klass_id, name_id, sig_id, flags);
6acf7084b1d3 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 2570
diff changeset
  1214
  if (id != vmIntrinsics::_none) {
6acf7084b1d3 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 2570
diff changeset
  1215
    set_intrinsic_id(id);
6acf7084b1d3 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 2570
diff changeset
  1216
    return;
6acf7084b1d3 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 2570
diff changeset
  1217
  }
6acf7084b1d3 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 2570
diff changeset
  1218
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1219
  // A few slightly irregular cases:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1220
  switch (klass_id) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1221
  case vmSymbols::VM_SYMBOL_ENUM_NAME(java_lang_StrictMath):
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1222
    // Second chance: check in regular Math.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1223
    switch (name_id) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1224
    case vmSymbols::VM_SYMBOL_ENUM_NAME(min_name):
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1225
    case vmSymbols::VM_SYMBOL_ENUM_NAME(max_name):
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1226
    case vmSymbols::VM_SYMBOL_ENUM_NAME(sqrt_name):
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1227
      // pretend it is the corresponding method in the non-strict class:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1228
      klass_id = vmSymbols::VM_SYMBOL_ENUM_NAME(java_lang_Math);
3273
6acf7084b1d3 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 2570
diff changeset
  1229
      id = vmIntrinsics::find_id(klass_id, name_id, sig_id, flags);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1230
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1231
    }
5420
586d3988e72b 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 5419
diff changeset
  1232
    break;
586d3988e72b 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 5419
diff changeset
  1233
586d3988e72b 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 5419
diff changeset
  1234
  // Signature-polymorphic methods: MethodHandle.invoke*, InvokeDynamic.*.
8676
9098d4e927e1 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 8675
diff changeset
  1235
  case vmSymbols::VM_SYMBOL_ENUM_NAME(java_lang_invoke_MethodHandle):
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1236
    if (!is_native())  break;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1237
    id = MethodHandles::signature_polymorphic_name_id(method_holder(), name());
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1238
    if (is_static() != MethodHandles::is_signature_polymorphic_static(id))
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1239
      id = vmIntrinsics::_none;
5420
586d3988e72b 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 5419
diff changeset
  1240
    break;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1241
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1242
3273
6acf7084b1d3 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 2570
diff changeset
  1243
  if (id != vmIntrinsics::_none) {
6acf7084b1d3 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 2570
diff changeset
  1244
    // Set up its iid.  It is an alias method.
6acf7084b1d3 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 2570
diff changeset
  1245
    set_intrinsic_id(id);
6acf7084b1d3 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 2570
diff changeset
  1246
    return;
6acf7084b1d3 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
jrose
parents: 2570
diff changeset
  1247
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1248
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1249
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1250
// These two methods are static since a GC may move the Method
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1251
bool Method::load_signature_classes(methodHandle m, TRAPS) {
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1252
  if (THREAD->is_Compiler_thread()) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1253
    // There is nothing useful this routine can do from within the Compile thread.
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1254
    // Hopefully, the signature contains only well-known classes.
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1255
    // We could scan for this and return true/false, but the caller won't care.
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1256
    return false;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1257
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1258
  bool sig_is_loaded = true;
14391
df0a1573d5bd 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents: 14386
diff changeset
  1259
  Handle class_loader(THREAD, m->method_holder()->class_loader());
df0a1573d5bd 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents: 14386
diff changeset
  1260
  Handle protection_domain(THREAD, m->method_holder()->protection_domain());
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7913
diff changeset
  1261
  ResourceMark rm(THREAD);
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7913
diff changeset
  1262
  Symbol*  signature = m->signature();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1263
  for(SignatureStream ss(signature); !ss.is_done(); ss.next()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1264
    if (ss.is_object()) {
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7913
diff changeset
  1265
      Symbol* sym = ss.as_symbol(CHECK_(false));
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7913
diff changeset
  1266
      Symbol*  name  = sym;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1267
      Klass* klass = SystemDictionary::resolve_or_null(name, class_loader,
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1268
                                             protection_domain, THREAD);
351
74ef5746f624 6624474: Server compiler generates unexpected LinkageError
rasbold
parents: 221
diff changeset
  1269
      // We are loading classes eagerly. If a ClassNotFoundException or
74ef5746f624 6624474: Server compiler generates unexpected LinkageError
rasbold
parents: 221
diff changeset
  1270
      // a LinkageError was generated, be sure to ignore it.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1271
      if (HAS_PENDING_EXCEPTION) {
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4094
diff changeset
  1272
        if (PENDING_EXCEPTION->is_a(SystemDictionary::ClassNotFoundException_klass()) ||
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4094
diff changeset
  1273
            PENDING_EXCEPTION->is_a(SystemDictionary::LinkageError_klass())) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1274
          CLEAR_PENDING_EXCEPTION;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1275
        } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1276
          return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1277
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1278
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1279
      if( klass == NULL) { sig_is_loaded = false; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1280
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1281
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1282
  return sig_is_loaded;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1283
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1284
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1285
bool Method::has_unloaded_classes_in_signature(methodHandle m, TRAPS) {
14391
df0a1573d5bd 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents: 14386
diff changeset
  1286
  Handle class_loader(THREAD, m->method_holder()->class_loader());
df0a1573d5bd 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents: 14386
diff changeset
  1287
  Handle protection_domain(THREAD, m->method_holder()->protection_domain());
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7913
diff changeset
  1288
  ResourceMark rm(THREAD);
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7913
diff changeset
  1289
  Symbol*  signature = m->signature();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1290
  for(SignatureStream ss(signature); !ss.is_done(); ss.next()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1291
    if (ss.type() == T_OBJECT) {
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7913
diff changeset
  1292
      Symbol* name = ss.as_symbol_or_null();
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7913
diff changeset
  1293
      if (name == NULL) return true;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1294
      Klass* klass = SystemDictionary::find(name, class_loader, protection_domain, THREAD);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1295
      if (klass == NULL) return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1296
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1297
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1298
  return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1299
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1300
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1301
// Exposed so field engineers can debug VM
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1302
void Method::print_short_name(outputStream* st) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1303
  ResourceMark rm;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1304
#ifdef PRODUCT
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1305
  st->print(" %s::", method_holder()->external_name());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1306
#else
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1307
  st->print(" %s::", method_holder()->internal_name());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1308
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1309
  name()->print_symbol_on(st);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1310
  if (WizardMode) signature()->print_symbol_on(st);
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1311
  else if (MethodHandles::is_signature_polymorphic(intrinsic_id()))
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13285
diff changeset
  1312
    MethodHandles::print_as_basic_type_signature_on(st, signature(), true);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1313
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1314
10002
2d83be3a0927 7016112: CMS: crash during promotion testing
brutisso
parents: 9134
diff changeset
  1315
// Comparer for sorting an object array containing
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1316
// Method*s.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1317
static int method_comparator(Method* a, Method* b) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1318
  return a->name()->fast_compare(b->name());
10537
23539f11e110 7090259: Fix hotspot sources to build with old compilers
kvn
parents: 10500
diff changeset
  1319
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1320
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1321
// This is only done during class loading, so it is OK to assume method_idnum matches the methods() array
15601
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15595
diff changeset
  1322
void Method::sort_methods(Array<Method*>* methods, bool idempotent) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1323
  int length = methods->length();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1324
  if (length > 1) {
10002
2d83be3a0927 7016112: CMS: crash during promotion testing
brutisso
parents: 9134
diff changeset
  1325
    {
2d83be3a0927 7016112: CMS: crash during promotion testing
brutisso
parents: 9134
diff changeset
  1326
      No_Safepoint_Verifier nsv;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1327
      QuickSort::sort<Method*>(methods->data(), length, method_comparator, idempotent);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1328
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1329
    // Reset method ordering
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1330
    for (int i = 0; i < length; i++) {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1331
      Method* m = methods->at(i);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1332
      m->set_method_idnum(i);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1333
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1334
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1335
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1336
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1337
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1338
//-----------------------------------------------------------------------------------
15591
b8aa0577f137 7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents: 15437
diff changeset
  1339
// Non-product code unless JVM/TI needs it
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1340
15591
b8aa0577f137 7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents: 15437
diff changeset
  1341
#if !defined(PRODUCT) || INCLUDE_JVMTI
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1342
class SignatureTypePrinter : public SignatureTypeNames {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1343
 private:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1344
  outputStream* _st;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1345
  bool _use_separator;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1346
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1347
  void type_name(const char* name) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1348
    if (_use_separator) _st->print(", ");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1349
    _st->print(name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1350
    _use_separator = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1351
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1352
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1353
 public:
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7913
diff changeset
  1354
  SignatureTypePrinter(Symbol* signature, outputStream* st) : SignatureTypeNames(signature) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1355
    _st = st;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1356
    _use_separator = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1357
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1358
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1359
  void print_parameters()              { _use_separator = false; iterate_parameters(); }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1360
  void print_returntype()              { _use_separator = false; iterate_returntype(); }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1361
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1362
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1363
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1364
void Method::print_name(outputStream* st) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1365
  Thread *thread = Thread::current();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1366
  ResourceMark rm(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1367
  SignatureTypePrinter sig(signature(), st);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1368
  st->print("%s ", is_static() ? "static" : "virtual");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1369
  sig.print_returntype();
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1370
  st->print(" %s.", method_holder()->internal_name());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1371
  name()->print_symbol_on(st);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1372
  st->print("(");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1373
  sig.print_parameters();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1374
  st->print(")");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1375
}
15591
b8aa0577f137 7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents: 15437
diff changeset
  1376
#endif // !PRODUCT || INCLUDE_JVMTI
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1377
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1378
15591
b8aa0577f137 7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents: 15437
diff changeset
  1379
//-----------------------------------------------------------------------------------
b8aa0577f137 7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents: 15437
diff changeset
  1380
// Non-product code
b8aa0577f137 7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents: 15437
diff changeset
  1381
b8aa0577f137 7182152: Instrumentation hot swap test incorrect monitor count
dcubed
parents: 15437
diff changeset
  1382
#ifndef PRODUCT
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1383
void Method::print_codes_on(outputStream* st) const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1384
  print_codes_on(0, code_size(), st);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1385
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1386
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1387
void Method::print_codes_on(int from, int to, outputStream* st) const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1388
  Thread *thread = Thread::current();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1389
  ResourceMark rm(thread);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1390
  methodHandle mh (thread, (Method*)this);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1391
  BytecodeStream s(mh);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1392
  s.set_interval(from, to);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1393
  BytecodeTracer::set_closure(BytecodeTracer::std_closure());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1394
  while (s.next() >= 0) BytecodeTracer::trace(mh, s.bcp(), st);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1395
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1396
#endif // not PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1397
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1398
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1399
// Simple compression of line number tables. We use a regular compressed stream, except that we compress deltas
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1400
// between (bci,line) pairs since they are smaller. If (bci delta, line delta) fits in (5-bit unsigned, 3-bit unsigned)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1401
// we save it as one byte, otherwise we write a 0xFF escape character and use regular compression. 0x0 is used
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1402
// as end-of-stream terminator.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1403
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1404
void CompressedLineNumberWriteStream::write_pair_regular(int bci_delta, int line_delta) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1405
  // bci and line number does not compress into single byte.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1406
  // Write out escape character and use regular compression for bci and line number.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1407
  write_byte((jubyte)0xFF);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1408
  write_signed_int(bci_delta);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1409
  write_signed_int(line_delta);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1410
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1411
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1412
// See comment in method.hpp which explains why this exists.
8303
81a0b8663748 7017824: Add support for creating 64-bit Visual Studio projects
sla
parents: 8076
diff changeset
  1413
#if defined(_M_AMD64) && _MSC_VER >= 1400
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1414
#pragma optimize("", off)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1415
void CompressedLineNumberWriteStream::write_pair(int bci, int line) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1416
  write_pair_inline(bci, line);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1417
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1418
#pragma optimize("", on)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1419
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1420
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1421
CompressedLineNumberReadStream::CompressedLineNumberReadStream(u_char* buffer) : CompressedReadStream(buffer) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1422
  _bci = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1423
  _line = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1424
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1425
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1426
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1427
bool CompressedLineNumberReadStream::read_pair() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1428
  jubyte next = read_byte();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1429
  // Check for terminator
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1430
  if (next == 0) return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1431
  if (next == 0xFF) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1432
    // Escape character, regular compression used
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1433
    _bci  += read_signed_int();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1434
    _line += read_signed_int();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1435
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1436
    // Single byte compression used
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1437
    _bci  += next >> 3;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1438
    _line += next & 0x7;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1439
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1440
  return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1441
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1442
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1443
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1444
Bytecodes::Code Method::orig_bytecode_at(int bci) const {
14391
df0a1573d5bd 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents: 14386
diff changeset
  1445
  BreakpointInfo* bp = method_holder()->breakpoints();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1446
  for (; bp != NULL; bp = bp->next()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1447
    if (bp->match(this, bci)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1448
      return bp->orig_bytecode();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1449
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1450
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1451
  ShouldNotReachHere();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1452
  return Bytecodes::_shouldnotreachhere;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1453
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1454
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1455
void Method::set_orig_bytecode_at(int bci, Bytecodes::Code code) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1456
  assert(code != Bytecodes::_breakpoint, "cannot patch breakpoints this way");
14391
df0a1573d5bd 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents: 14386
diff changeset
  1457
  BreakpointInfo* bp = method_holder()->breakpoints();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1458
  for (; bp != NULL; bp = bp->next()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1459
    if (bp->match(this, bci)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1460
      bp->set_orig_bytecode(code);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1461
      // and continue, in case there is more than one
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1462
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1463
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1464
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1465
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1466
void Method::set_breakpoint(int bci) {
14391
df0a1573d5bd 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents: 14386
diff changeset
  1467
  InstanceKlass* ik = method_holder();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1468
  BreakpointInfo *bp = new BreakpointInfo(this, bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1469
  bp->set_next(ik->breakpoints());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1470
  ik->set_breakpoints(bp);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1471
  // do this last:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1472
  bp->set(this);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1473
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1474
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1475
static void clear_matches(Method* m, int bci) {
14391
df0a1573d5bd 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents: 14386
diff changeset
  1476
  InstanceKlass* ik = m->method_holder();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1477
  BreakpointInfo* prev_bp = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1478
  BreakpointInfo* next_bp;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1479
  for (BreakpointInfo* bp = ik->breakpoints(); bp != NULL; bp = next_bp) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1480
    next_bp = bp->next();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1481
    // bci value of -1 is used to delete all breakpoints in method m (ex: clear_all_breakpoint).
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1482
    if (bci >= 0 ? bp->match(m, bci) : bp->match(m)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1483
      // do this first:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1484
      bp->clear(m);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1485
      // unhook it
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1486
      if (prev_bp != NULL)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1487
        prev_bp->set_next(next_bp);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1488
      else
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1489
        ik->set_breakpoints(next_bp);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1490
      delete bp;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1491
      // When class is redefined JVMTI sets breakpoint in all versions of EMCP methods
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1492
      // at same location. So we have multiple matching (method_index and bci)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1493
      // BreakpointInfo nodes in BreakpointInfo list. We should just delete one
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1494
      // breakpoint for clear_breakpoint request and keep all other method versions
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1495
      // BreakpointInfo for future clear_breakpoint request.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1496
      // bcivalue of -1 is used to clear all breakpoints (see clear_all_breakpoints)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1497
      // which is being called when class is unloaded. We delete all the Breakpoint
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1498
      // information for all versions of method. We may not correctly restore the original
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1499
      // bytecode in all method versions, but that is ok. Because the class is being unloaded
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1500
      // so these methods won't be used anymore.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1501
      if (bci >= 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1502
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1503
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1504
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1505
      // This one is a keeper.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1506
      prev_bp = bp;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1507
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1508
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1509
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1510
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1511
void Method::clear_breakpoint(int bci) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1512
  assert(bci >= 0, "");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1513
  clear_matches(this, bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1514
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1515
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1516
void Method::clear_all_breakpoints() {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1517
  clear_matches(this, -1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1518
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1519
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1520
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1521
int Method::invocation_count() {
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1522
  if (TieredCompilation) {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1523
    MethodData* const mdo = method_data();
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1524
    if (invocation_counter()->carry() || ((mdo != NULL) ? mdo->invocation_counter()->carry() : false)) {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1525
      return InvocationCounter::count_limit;
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1526
    } else {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1527
      return invocation_counter()->count() + ((mdo != NULL) ? mdo->invocation_counter()->count() : 0);
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1528
    }
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1529
  } else {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1530
    return invocation_counter()->count();
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1531
  }
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1532
}
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1533
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1534
int Method::backedge_count() {
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1535
  if (TieredCompilation) {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1536
    MethodData* const mdo = method_data();
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1537
    if (backedge_counter()->carry() || ((mdo != NULL) ? mdo->backedge_counter()->carry() : false)) {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1538
      return InvocationCounter::count_limit;
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1539
    } else {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1540
      return backedge_counter()->count() + ((mdo != NULL) ? mdo->backedge_counter()->count() : 0);
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1541
    }
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1542
  } else {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1543
    return backedge_counter()->count();
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1544
  }
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1545
}
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1546
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1547
int Method::highest_comp_level() const {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1548
  MethodData* mdo = method_data();
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1549
  if (mdo != NULL) {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1550
    return mdo->highest_comp_level();
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1551
  } else {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1552
    return CompLevel_none;
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1553
  }
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1554
}
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1555
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1556
int Method::highest_osr_comp_level() const {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1557
  MethodData* mdo = method_data();
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1558
  if (mdo != NULL) {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1559
    return mdo->highest_osr_comp_level();
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1560
  } else {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1561
    return CompLevel_none;
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1562
  }
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1563
}
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1564
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1565
void Method::set_highest_comp_level(int level) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1566
  MethodData* mdo = method_data();
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1567
  if (mdo != NULL) {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1568
    mdo->set_highest_comp_level(level);
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1569
  }
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1570
}
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1571
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1572
void Method::set_highest_osr_comp_level(int level) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1573
  MethodData* mdo = method_data();
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1574
  if (mdo != NULL) {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1575
    mdo->set_highest_osr_comp_level(level);
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1576
  }
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1577
}
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 6187
diff changeset
  1578
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1579
BreakpointInfo::BreakpointInfo(Method* m, int bci) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1580
  _bci = bci;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1581
  _name_index = m->name_index();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1582
  _signature_index = m->signature_index();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1583
  _orig_bytecode = (Bytecodes::Code) *m->bcp_from(_bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1584
  if (_orig_bytecode == Bytecodes::_breakpoint)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1585
    _orig_bytecode = m->orig_bytecode_at(_bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1586
  _next = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1587
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1588
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1589
void BreakpointInfo::set(Method* method) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1590
#ifdef ASSERT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1591
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1592
    Bytecodes::Code code = (Bytecodes::Code) *method->bcp_from(_bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1593
    if (code == Bytecodes::_breakpoint)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1594
      code = method->orig_bytecode_at(_bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1595
    assert(orig_bytecode() == code, "original bytecode must be the same");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1596
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1597
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1598
  *method->bcp_from(_bci) = Bytecodes::_breakpoint;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1599
  method->incr_number_of_breakpoints();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1600
  SystemDictionary::notice_modification();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1601
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1602
    // Deoptimize all dependents on this method
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1603
    Thread *thread = Thread::current();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1604
    HandleMark hm(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1605
    methodHandle mh(thread, method);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1606
    Universe::flush_dependents_on_method(mh);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1607
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1608
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1609
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1610
void BreakpointInfo::clear(Method* method) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1611
  *method->bcp_from(_bci) = orig_bytecode();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1612
  assert(method->number_of_breakpoints() > 0, "must not go negative");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1613
  method->decr_number_of_breakpoints();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1614
}
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1615
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1616
// jmethodID handling
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1617
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1618
// This is a block allocating object, sort of like JNIHandleBlock, only a
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1619
// lot simpler.  There aren't many of these, they aren't long, they are rarely
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1620
// deleted and so we can do some suboptimal things.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1621
// It's allocated on the CHeap because once we allocate a jmethodID, we can
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1622
// never get rid of it.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1623
// It would be nice to be able to parameterize the number of methods for
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1624
// the null_class_loader but then we'd have to turn this and ClassLoaderData
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1625
// into templates.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1626
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1627
// I feel like this brain dead class should exist somewhere in the STL
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1628
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1629
class JNIMethodBlock : public CHeapObj<mtClass> {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1630
  enum { number_of_methods = 8 };
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1631
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1632
  Method*         _methods[number_of_methods];
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1633
  int             _top;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1634
  JNIMethodBlock* _next;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1635
 public:
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1636
  static Method* const _free_method;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1637
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1638
  JNIMethodBlock() : _next(NULL), _top(0) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1639
    for (int i = 0; i< number_of_methods; i++) _methods[i] = _free_method;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1640
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1641
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1642
  Method** add_method(Method* m) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1643
    if (_top < number_of_methods) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1644
      // top points to the next free entry.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1645
      int i = _top;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1646
      _methods[i] = m;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1647
      _top++;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1648
      return &_methods[i];
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1649
    } else if (_top == number_of_methods) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1650
      // if the next free entry ran off the block see if there's a free entry
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1651
      for (int i = 0; i< number_of_methods; i++) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1652
        if (_methods[i] == _free_method) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1653
          _methods[i] = m;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1654
          return &_methods[i];
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1655
        }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1656
      }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1657
      // Only check each block once for frees.  They're very unlikely.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1658
      // Increment top past the end of the block.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1659
      _top++;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1660
    }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1661
    // need to allocate a next block.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1662
    if (_next == NULL) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1663
      _next = new JNIMethodBlock();
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1664
    }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1665
    return _next->add_method(m);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1666
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1667
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1668
  bool contains(Method** m) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1669
    for (JNIMethodBlock* b = this; b != NULL; b = b->_next) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1670
      for (int i = 0; i< number_of_methods; i++) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1671
        if (&(b->_methods[i]) == m) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1672
          return true;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1673
        }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1674
      }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1675
    }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1676
    return false;  // not found
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1677
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1678
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1679
  // Doesn't really destroy it, just marks it as free so it can be reused.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1680
  void destroy_method(Method** m) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1681
#ifdef ASSERT
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1682
    assert(contains(m), "should be a methodID");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1683
#endif // ASSERT
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1684
    *m = _free_method;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1685
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1686
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1687
  // During class unloading the methods are cleared, which is different
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1688
  // than freed.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1689
  void clear_all_methods() {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1690
    for (JNIMethodBlock* b = this; b != NULL; b = b->_next) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1691
      for (int i = 0; i< number_of_methods; i++) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1692
        _methods[i] = NULL;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1693
      }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1694
    }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1695
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1696
#ifndef PRODUCT
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1697
  int count_methods() {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1698
    // count all allocated methods
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1699
    int count = 0;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1700
    for (JNIMethodBlock* b = this; b != NULL; b = b->_next) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1701
      for (int i = 0; i< number_of_methods; i++) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1702
        if (_methods[i] != _free_method) count++;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1703
      }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1704
    }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1705
    return count;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1706
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1707
#endif // PRODUCT
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1708
};
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1709
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1710
// Something that can't be mistaken for an address or a markOop
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1711
Method* const JNIMethodBlock::_free_method = (Method*)55;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1712
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1713
// Add a method id to the jmethod_ids
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1714
jmethodID Method::make_jmethod_id(ClassLoaderData* loader_data, Method* m) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1715
  ClassLoaderData* cld = loader_data;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1716
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1717
  if (!SafepointSynchronize::is_at_safepoint()) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1718
    // Have to add jmethod_ids() to class loader data thread-safely.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1719
    // Also have to add the method to the list safely, which the cld lock
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1720
    // protects as well.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1721
    MutexLockerEx ml(cld->metaspace_lock(),  Mutex::_no_safepoint_check_flag);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1722
    if (cld->jmethod_ids() == NULL) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1723
      cld->set_jmethod_ids(new JNIMethodBlock());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1724
    }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1725
    // jmethodID is a pointer to Method*
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1726
    return (jmethodID)cld->jmethod_ids()->add_method(m);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1727
  } else {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1728
    // At safepoint, we are single threaded and can set this.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1729
    if (cld->jmethod_ids() == NULL) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1730
      cld->set_jmethod_ids(new JNIMethodBlock());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1731
    }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1732
    // jmethodID is a pointer to Method*
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1733
    return (jmethodID)cld->jmethod_ids()->add_method(m);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1734
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1735
}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1736
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1737
// Mark a jmethodID as free.  This is called when there is a data race in
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1738
// InstanceKlass while creating the jmethodID cache.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1739
void Method::destroy_jmethod_id(ClassLoaderData* loader_data, jmethodID m) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1740
  ClassLoaderData* cld = loader_data;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1741
  Method** ptr = (Method**)m;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1742
  assert(cld->jmethod_ids() != NULL, "should have method handles");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1743
  cld->jmethod_ids()->destroy_method(ptr);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1744
}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1745
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1746
void Method::change_method_associated_with_jmethod_id(jmethodID jmid, Method* new_method) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1747
  // Can't assert the method_holder is the same because the new method has the
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1748
  // scratch method holder.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1749
  assert(resolve_jmethod_id(jmid)->method_holder()->class_loader()
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1750
           == new_method->method_holder()->class_loader(),
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1751
         "changing to a different class loader");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1752
  // Just change the method in place, jmethodID pointer doesn't change.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1753
  *((Method**)jmid) = new_method;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1754
}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1755
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1756
bool Method::is_method_id(jmethodID mid) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1757
  Method* m = resolve_jmethod_id(mid);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1758
  assert(m != NULL, "should be called with non-null method");
14391
df0a1573d5bd 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents: 14386
diff changeset
  1759
  InstanceKlass* ik = m->method_holder();
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1760
  ClassLoaderData* cld = ik->class_loader_data();
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1761
  if (cld->jmethod_ids() == NULL) return false;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1762
  return (cld->jmethod_ids()->contains((Method**)mid));
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1763
}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1764
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1765
Method* Method::checked_resolve_jmethod_id(jmethodID mid) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1766
  if (mid == NULL) return NULL;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1767
  Method* o = resolve_jmethod_id(mid);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1768
  if (o == NULL || o == JNIMethodBlock::_free_method || !((Metadata*)o)->is_method()) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1769
    return NULL;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1770
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1771
  return o;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1772
};
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1773
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1774
void Method::set_on_stack(const bool value) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1775
  // Set both the method itself and its constant pool.  The constant pool
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1776
  // on stack means some method referring to it is also on the stack.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1777
  _access_flags.set_on_stack(value);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1778
  constants()->set_on_stack(value);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1779
  if (value) MetadataOnStackMark::record(this);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1780
}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1781
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1782
// Called when the class loader is unloaded to make all methods weak.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1783
void Method::clear_jmethod_ids(ClassLoaderData* loader_data) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1784
  loader_data->jmethod_ids()->clear_all_methods();
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1785
}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1786
14579
7f6ce6e3dd80 8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents: 14488
diff changeset
  1787
7f6ce6e3dd80 8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents: 14488
diff changeset
  1788
// Check that this pointer is valid by checking that the vtbl pointer matches
7f6ce6e3dd80 8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents: 14488
diff changeset
  1789
bool Method::is_valid_method() const {
7f6ce6e3dd80 8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents: 14488
diff changeset
  1790
  if (this == NULL) {
7f6ce6e3dd80 8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents: 14488
diff changeset
  1791
    return false;
7f6ce6e3dd80 8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents: 14488
diff changeset
  1792
  } else if (!is_metaspace_object()) {
7f6ce6e3dd80 8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents: 14488
diff changeset
  1793
    return false;
7f6ce6e3dd80 8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents: 14488
diff changeset
  1794
  } else {
7f6ce6e3dd80 8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents: 14488
diff changeset
  1795
    Method m;
7f6ce6e3dd80 8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents: 14488
diff changeset
  1796
    // This assumes that the vtbl pointer is the first word of a C++ object.
7f6ce6e3dd80 8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents: 14488
diff changeset
  1797
    // This assumption is also in universe.cpp patch_klass_vtble
7f6ce6e3dd80 8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents: 14488
diff changeset
  1798
    void* vtbl2 = dereference_vptr((void*)&m);
7f6ce6e3dd80 8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents: 14488
diff changeset
  1799
    void* this_vtbl = dereference_vptr((void*)this);
7f6ce6e3dd80 8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents: 14488
diff changeset
  1800
    return vtbl2 == this_vtbl;
7f6ce6e3dd80 8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents: 14488
diff changeset
  1801
  }
7f6ce6e3dd80 8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents: 14488
diff changeset
  1802
}
7f6ce6e3dd80 8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents: 14488
diff changeset
  1803
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1804
#ifndef PRODUCT
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1805
void Method::print_jmethod_ids(ClassLoaderData* loader_data, outputStream* out) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1806
  out->print_cr("jni_method_id count = %d", loader_data->jmethod_ids()->count_methods());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1807
}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1808
#endif // PRODUCT
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1809
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1810
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1811
// Printing
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1812
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1813
#ifndef PRODUCT
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1814
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1815
void Method::print_on(outputStream* st) const {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1816
  ResourceMark rm;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1817
  assert(is_method(), "must be method");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1818
  st->print_cr(internal_name());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1819
  // get the effect of PrintOopAddress, always, for methods:
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1820
  st->print_cr(" - this oop:          "INTPTR_FORMAT, (intptr_t)this);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1821
  st->print   (" - method holder:     "); method_holder()->print_value_on(st); st->cr();
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1822
  st->print   (" - constants:         "INTPTR_FORMAT" ", (address)constants());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1823
  constants()->print_value_on(st); st->cr();
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1824
  st->print   (" - access:            0x%x  ", access_flags().as_int()); access_flags().print_on(st); st->cr();
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1825
  st->print   (" - name:              ");    name()->print_value_on(st); st->cr();
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1826
  st->print   (" - signature:         ");    signature()->print_value_on(st); st->cr();
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1827
  st->print_cr(" - max stack:         %d",   max_stack());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1828
  st->print_cr(" - max locals:        %d",   max_locals());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1829
  st->print_cr(" - size of params:    %d",   size_of_parameters());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1830
  st->print_cr(" - method size:       %d",   method_size());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1831
  if (intrinsic_id() != vmIntrinsics::_none)
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1832
    st->print_cr(" - intrinsic id:      %d %s", intrinsic_id(), vmIntrinsics::name_at(intrinsic_id()));
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1833
  if (highest_comp_level() != CompLevel_none)
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1834
    st->print_cr(" - highest level:     %d", highest_comp_level());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1835
  st->print_cr(" - vtable index:      %d",   _vtable_index);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1836
  st->print_cr(" - i2i entry:         " INTPTR_FORMAT, interpreter_entry());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1837
  st->print(   " - adapters:          ");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1838
  AdapterHandlerEntry* a = ((Method*)this)->adapter();
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1839
  if (a == NULL)
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1840
    st->print_cr(INTPTR_FORMAT, a);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1841
  else
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1842
    a->print_adapter_on(st);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1843
  st->print_cr(" - compiled entry     " INTPTR_FORMAT, from_compiled_entry());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1844
  st->print_cr(" - code size:         %d",   code_size());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1845
  if (code_size() != 0) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1846
    st->print_cr(" - code start:        " INTPTR_FORMAT, code_base());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1847
    st->print_cr(" - code end (excl):   " INTPTR_FORMAT, code_base() + code_size());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1848
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1849
  if (method_data() != NULL) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1850
    st->print_cr(" - method data:       " INTPTR_FORMAT, (address)method_data());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1851
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1852
  st->print_cr(" - checked ex length: %d",   checked_exceptions_length());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1853
  if (checked_exceptions_length() > 0) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1854
    CheckedExceptionElement* table = checked_exceptions_start();
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1855
    st->print_cr(" - checked ex start:  " INTPTR_FORMAT, table);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1856
    if (Verbose) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1857
      for (int i = 0; i < checked_exceptions_length(); i++) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1858
        st->print_cr("   - throws %s", constants()->printable_name_at(table[i].class_cp_index));
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1859
      }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1860
    }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1861
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1862
  if (has_linenumber_table()) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1863
    u_char* table = compressed_linenumber_table();
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1864
    st->print_cr(" - linenumber start:  " INTPTR_FORMAT, table);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1865
    if (Verbose) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1866
      CompressedLineNumberReadStream stream(table);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1867
      while (stream.read_pair()) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1868
        st->print_cr("   - line %d: %d", stream.line(), stream.bci());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1869
      }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1870
    }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1871
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1872
  st->print_cr(" - localvar length:   %d",   localvariable_table_length());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1873
  if (localvariable_table_length() > 0) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1874
    LocalVariableTableElement* table = localvariable_table_start();
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1875
    st->print_cr(" - localvar start:    " INTPTR_FORMAT, table);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1876
    if (Verbose) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1877
      for (int i = 0; i < localvariable_table_length(); i++) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1878
        int bci = table[i].start_bci;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1879
        int len = table[i].length;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1880
        const char* name = constants()->printable_name_at(table[i].name_cp_index);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1881
        const char* desc = constants()->printable_name_at(table[i].descriptor_cp_index);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1882
        int slot = table[i].slot;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1883
        st->print_cr("   - %s %s bci=%d len=%d slot=%d", desc, name, bci, len, slot);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1884
      }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1885
    }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1886
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1887
  if (code() != NULL) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1888
    st->print   (" - compiled code: ");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1889
    code()->print_value_on(st);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1890
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1891
  if (is_native()) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1892
    st->print_cr(" - native function:   " INTPTR_FORMAT, native_function());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1893
    st->print_cr(" - signature handler: " INTPTR_FORMAT, signature_handler());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1894
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1895
}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1896
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1897
#endif //PRODUCT
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1898
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1899
void Method::print_value_on(outputStream* st) const {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1900
  assert(is_method(), "must be method");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1901
  st->print_cr(internal_name());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1902
  print_address_on(st);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1903
  st->print(" ");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1904
  name()->print_value_on(st);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1905
  st->print(" ");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1906
  signature()->print_value_on(st);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1907
  st->print(" in ");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1908
  method_holder()->print_value_on(st);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1909
  if (WizardMode) st->print("[%d,%d]", size_of_parameters(), max_locals());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1910
  if (WizardMode && code() != NULL) st->print(" ((nmethod*)%p)", code());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1911
}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1912
15437
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 15430
diff changeset
  1913
#if INCLUDE_SERVICES
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 15430
diff changeset
  1914
// Size Statistics
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 15430
diff changeset
  1915
void Method::collect_statistics(KlassSizeStats *sz) const {
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 15430
diff changeset
  1916
  int mysize = sz->count(this);
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 15430
diff changeset
  1917
  sz->_method_bytes += mysize;
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 15430
diff changeset
  1918
  sz->_method_all_bytes += mysize;
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 15430
diff changeset
  1919
  sz->_rw_bytes += mysize;
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 15430
diff changeset
  1920
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 15430
diff changeset
  1921
  if (constMethod()) {
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 15430
diff changeset
  1922
    constMethod()->collect_statistics(sz);
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 15430
diff changeset
  1923
  }
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 15430
diff changeset
  1924
  if (method_data()) {
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 15430
diff changeset
  1925
    method_data()->collect_statistics(sz);
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 15430
diff changeset
  1926
  }
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 15430
diff changeset
  1927
}
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 15430
diff changeset
  1928
#endif // INCLUDE_SERVICES
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1929
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1930
// Verification
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1931
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1932
void Method::verify_on(outputStream* st) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1933
  guarantee(is_method(), "object must be method");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1934
  guarantee(is_metadata(),  "should be metadata");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1935
  guarantee(constants()->is_constantPool(), "should be constant pool");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1936
  guarantee(constants()->is_metadata(), "should be metadata");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1937
  guarantee(constMethod()->is_constMethod(), "should be ConstMethod*");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1938
  guarantee(constMethod()->is_metadata(), "should be metadata");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1939
  MethodData* md = method_data();
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1940
  guarantee(md == NULL ||
14579
7f6ce6e3dd80 8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents: 14488
diff changeset
  1941
      md->is_metadata(), "should be metadata");
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1942
  guarantee(md == NULL ||
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1943
      md->is_methodData(), "should be method data");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13392
diff changeset
  1944
}