src/hotspot/share/code/codeBlob.cpp
author poonam
Fri, 30 Mar 2018 18:46:14 +0000
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8199406: Performance drop with Java JDK 1.8.0_162-b32 Summary: Improve the nmethod unloading times by optimizing the search for an itable stub in VtableStubs array Reviewed-by: kvn, coleenp, tschatzl
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/*
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 * Copyright (c) 1998, 2018, 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 "jvm.h"
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#include "code/codeBlob.hpp"
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#include "code/codeCache.hpp"
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#include "code/relocInfo.hpp"
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#include "compiler/disassembler.hpp"
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#include "interpreter/bytecode.hpp"
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#include "memory/allocation.inline.hpp"
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#include "memory/heap.hpp"
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#include "memory/resourceArea.hpp"
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#include "oops/oop.inline.hpp"
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#include "prims/forte.hpp"
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#include "runtime/handles.inline.hpp"
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#include "runtime/interfaceSupport.inline.hpp"
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#include "runtime/mutexLocker.hpp"
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#include "runtime/safepoint.hpp"
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#include "runtime/sharedRuntime.hpp"
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#include "runtime/vframe.hpp"
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#include "services/memoryService.hpp"
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#include "utilities/align.hpp"
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#ifdef COMPILER1
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#include "c1/c1_Runtime1.hpp"
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#endif
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const char* CodeBlob::compiler_name() const {
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  return compilertype2name(_type);
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}
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unsigned int CodeBlob::align_code_offset(int offset) {
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  // align the size to CodeEntryAlignment
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  return
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    ((offset + (int)CodeHeap::header_size() + (CodeEntryAlignment-1)) & ~(CodeEntryAlignment-1))
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    - (int)CodeHeap::header_size();
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}
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// This must be consistent with the CodeBlob constructor's layout actions.
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unsigned int CodeBlob::allocation_size(CodeBuffer* cb, int header_size) {
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  unsigned int size = header_size;
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  size += align_up(cb->total_relocation_size(), oopSize);
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  // align the size to CodeEntryAlignment
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  size = align_code_offset(size);
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  size += align_up(cb->total_content_size(), oopSize);
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  size += align_up(cb->total_oop_size(), oopSize);
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  size += align_up(cb->total_metadata_size(), oopSize);
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  return size;
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}
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CodeBlob::CodeBlob(const char* name, CompilerType type, const CodeBlobLayout& layout, int frame_complete_offset, int frame_size, ImmutableOopMapSet* oop_maps, bool caller_must_gc_arguments) :
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  _name(name),
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  _size(layout.size()),
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  _header_size(layout.header_size()),
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  _frame_complete_offset(frame_complete_offset),
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  _data_offset(layout.data_offset()),
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  _frame_size(frame_size),
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  _strings(CodeStrings()),
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  _oop_maps(oop_maps),
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  _caller_must_gc_arguments(caller_must_gc_arguments),
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  _code_begin(layout.code_begin()),
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  _code_end(layout.code_end()),
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  _data_end(layout.data_end()),
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  _relocation_begin(layout.relocation_begin()),
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  _relocation_end(layout.relocation_end()),
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  _content_begin(layout.content_begin()),
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  _type(type)
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{
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  assert(is_aligned(layout.size(),            oopSize), "unaligned size");
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  assert(is_aligned(layout.header_size(),     oopSize), "unaligned size");
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  assert(is_aligned(layout.relocation_size(), oopSize), "unaligned size");
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  assert(layout.code_end() == layout.content_end(), "must be the same - see code_end()");
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#ifdef COMPILER1
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  // probably wrong for tiered
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  assert(_frame_size >= -1, "must use frame size or -1 for runtime stubs");
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#endif // COMPILER1
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}
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CodeBlob::CodeBlob(const char* name, CompilerType type, const CodeBlobLayout& layout, CodeBuffer* cb, int frame_complete_offset, int frame_size, OopMapSet* oop_maps, bool caller_must_gc_arguments) :
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  _name(name),
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  _size(layout.size()),
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  _header_size(layout.header_size()),
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  _frame_complete_offset(frame_complete_offset),
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  _data_offset(layout.data_offset()),
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  _frame_size(frame_size),
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  _strings(CodeStrings()),
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  _caller_must_gc_arguments(caller_must_gc_arguments),
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  _code_begin(layout.code_begin()),
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  _code_end(layout.code_end()),
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  _data_end(layout.data_end()),
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  _relocation_begin(layout.relocation_begin()),
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  _relocation_end(layout.relocation_end()),
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  _content_begin(layout.content_begin()),
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  _type(type)
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{
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  assert(is_aligned(_size,        oopSize), "unaligned size");
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  assert(is_aligned(_header_size, oopSize), "unaligned size");
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  assert(_data_offset <= _size, "codeBlob is too small");
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  assert(layout.code_end() == layout.content_end(), "must be the same - see code_end()");
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  set_oop_maps(oop_maps);
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#ifdef COMPILER1
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  // probably wrong for tiered
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  assert(_frame_size >= -1, "must use frame size or -1 for runtime stubs");
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#endif // COMPILER1
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}
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// Creates a simple CodeBlob. Sets up the size of the different regions.
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RuntimeBlob::RuntimeBlob(const char* name, int header_size, int size, int frame_complete, int locs_size)
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  : CodeBlob(name, compiler_none, CodeBlobLayout((address) this, size, header_size, locs_size, size), frame_complete, 0, NULL, false /* caller_must_gc_arguments */)
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{
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  assert(is_aligned(locs_size, oopSize), "unaligned size");
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}
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// Creates a RuntimeBlob from a CodeBuffer
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// and copy code and relocation info.
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RuntimeBlob::RuntimeBlob(
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  const char* name,
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  CodeBuffer* cb,
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  int         header_size,
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  int         size,
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  int         frame_complete,
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  int         frame_size,
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  OopMapSet*  oop_maps,
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  bool        caller_must_gc_arguments
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) : CodeBlob(name, compiler_none, CodeBlobLayout((address) this, size, header_size, cb), cb, frame_complete, frame_size, oop_maps, caller_must_gc_arguments) {
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  cb->copy_code_and_locs_to(this);
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}
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void CodeBlob::flush() {
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  if (_oop_maps) {
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    FREE_C_HEAP_ARRAY(unsigned char, _oop_maps);
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    _oop_maps = NULL;
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  }
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  _strings.free();
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}
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void CodeBlob::set_oop_maps(OopMapSet* p) {
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  // Danger Will Robinson! This method allocates a big
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  // chunk of memory, its your job to free it.
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  if (p != NULL) {
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    _oop_maps = ImmutableOopMapSet::build_from(p);
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  } else {
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    _oop_maps = NULL;
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  }
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}
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void RuntimeBlob::trace_new_stub(RuntimeBlob* stub, const char* name1, const char* name2) {
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  // Do not hold the CodeCache lock during name formatting.
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  assert(!CodeCache_lock->owned_by_self(), "release CodeCache before registering the stub");
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  if (stub != NULL) {
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    char stub_id[256];
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    assert(strlen(name1) + strlen(name2) < sizeof(stub_id), "");
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    jio_snprintf(stub_id, sizeof(stub_id), "%s%s", name1, name2);
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    if (PrintStubCode) {
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      ttyLocker ttyl;
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      tty->print_cr("Decoding %s " INTPTR_FORMAT, stub_id, (intptr_t) stub);
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      Disassembler::decode(stub->code_begin(), stub->code_end());
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      tty->cr();
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    }
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    Forte::register_stub(stub_id, stub->code_begin(), stub->code_end());
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    if (JvmtiExport::should_post_dynamic_code_generated()) {
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      const char* stub_name = name2;
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      if (name2[0] == '\0')  stub_name = name1;
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      JvmtiExport::post_dynamic_code_generated(stub_name, stub->code_begin(), stub->code_end());
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    }
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  }
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  // Track memory usage statistic after releasing CodeCache_lock
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  MemoryService::track_code_cache_memory_usage();
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}
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const ImmutableOopMap* CodeBlob::oop_map_for_return_address(address return_address) {
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  assert(_oop_maps != NULL, "nope");
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  return _oop_maps->find_map_at_offset((intptr_t) return_address - (intptr_t) code_begin());
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}
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void CodeBlob::print_code() {
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  ResourceMark m;
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  Disassembler::decode(this, tty);
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}
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//----------------------------------------------------------------------------------------------------
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// Implementation of BufferBlob
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BufferBlob::BufferBlob(const char* name, int size)
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: RuntimeBlob(name, sizeof(BufferBlob), size, CodeOffsets::frame_never_safe, /*locs_size:*/ 0)
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{}
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BufferBlob* BufferBlob::create(const char* name, int buffer_size) {
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  ThreadInVMfromUnknown __tiv;  // get to VM state in case we block on CodeCache_lock
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  BufferBlob* blob = NULL;
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  unsigned int size = sizeof(BufferBlob);
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  // align the size to CodeEntryAlignment
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  size = CodeBlob::align_code_offset(size);
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  size += align_up(buffer_size, oopSize);
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  assert(name != NULL, "must provide a name");
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  {
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    MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
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    blob = new (size) BufferBlob(name, size);
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  }
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  // Track memory usage statistic after releasing CodeCache_lock
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  MemoryService::track_code_cache_memory_usage();
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  return blob;
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}
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BufferBlob::BufferBlob(const char* name, int size, CodeBuffer* cb)
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  : RuntimeBlob(name, cb, sizeof(BufferBlob), size, CodeOffsets::frame_never_safe, 0, NULL)
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{}
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BufferBlob* BufferBlob::create(const char* name, CodeBuffer* cb) {
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  ThreadInVMfromUnknown __tiv;  // get to VM state in case we block on CodeCache_lock
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  BufferBlob* blob = NULL;
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  unsigned int size = CodeBlob::allocation_size(cb, sizeof(BufferBlob));
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  assert(name != NULL, "must provide a name");
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  {
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    MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
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    blob = new (size) BufferBlob(name, size, cb);
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  }
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  // Track memory usage statistic after releasing CodeCache_lock
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  MemoryService::track_code_cache_memory_usage();
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  return blob;
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}
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void* BufferBlob::operator new(size_t s, unsigned size) throw() {
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  return CodeCache::allocate(size, CodeBlobType::NonNMethod);
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}
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void BufferBlob::free(BufferBlob *blob) {
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  ThreadInVMfromUnknown __tiv;  // get to VM state in case we block on CodeCache_lock
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  blob->flush();
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  {
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    MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
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    CodeCache::free((RuntimeBlob*)blob);
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  }
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  // Track memory usage statistic after releasing CodeCache_lock
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  MemoryService::track_code_cache_memory_usage();
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}
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//----------------------------------------------------------------------------------------------------
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// Implementation of AdapterBlob
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AdapterBlob::AdapterBlob(int size, CodeBuffer* cb) :
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  BufferBlob("I2C/C2I adapters", size, cb) {
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  CodeCache::commit(this);
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}
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AdapterBlob* AdapterBlob::create(CodeBuffer* cb) {
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  ThreadInVMfromUnknown __tiv;  // get to VM state in case we block on CodeCache_lock
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  AdapterBlob* blob = NULL;
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  unsigned int size = CodeBlob::allocation_size(cb, sizeof(AdapterBlob));
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  {
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    MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
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    blob = new (size) AdapterBlob(size, cb);
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  }
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  // Track memory usage statistic after releasing CodeCache_lock
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  MemoryService::track_code_cache_memory_usage();
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  return blob;
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}
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VtableBlob::VtableBlob(const char* name, int size) :
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  BufferBlob(name, size) {
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}
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VtableBlob* VtableBlob::create(const char* name, int buffer_size) {
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  ThreadInVMfromUnknown __tiv;  // get to VM state in case we block on CodeCache_lock
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  VtableBlob* blob = NULL;
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  unsigned int size = sizeof(VtableBlob);
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  // align the size to CodeEntryAlignment
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  size = align_code_offset(size);
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  size += align_up(buffer_size, oopSize);
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  assert(name != NULL, "must provide a name");
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  {
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    MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
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    blob = new (size) VtableBlob(name, size);
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   313
  }
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   314
  // Track memory usage statistic after releasing CodeCache_lock
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   315
  MemoryService::track_code_cache_memory_usage();
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diff changeset
   316
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   317
  return blob;
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   318
}
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//----------------------------------------------------------------------------------------------------
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   321
// Implementation of MethodHandlesAdapterBlob
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   323
MethodHandlesAdapterBlob* MethodHandlesAdapterBlob::create(int buffer_size) {
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   324
  ThreadInVMfromUnknown __tiv;  // get to VM state in case we block on CodeCache_lock
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  MethodHandlesAdapterBlob* blob = NULL;
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   327
  unsigned int size = sizeof(MethodHandlesAdapterBlob);
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   328
  // align the size to CodeEntryAlignment
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   329
  size = CodeBlob::align_code_offset(size);
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750c6edff33b 8178500: Replace usages of round_to and round_down with align_up and align_down
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parents: 46560
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   330
  size += align_up(buffer_size, oopSize);
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   331
  {
47ecd86932ce 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob
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   332
    MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
27420
04e6f914cce1 8046809: vm/mlvm/meth/stress/compiler/deoptimize CodeCache is full.
anoll
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   333
    blob = new (size) MethodHandlesAdapterBlob(size);
36074
11263906664c 8138922: StubCodeDesc constructor publishes partially-constructed objects on StubCodeDesc::_list
vlivanov
parents: 35542
diff changeset
   334
    if (blob == NULL) {
11263906664c 8138922: StubCodeDesc constructor publishes partially-constructed objects on StubCodeDesc::_list
vlivanov
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diff changeset
   335
      vm_exit_out_of_memory(size, OOM_MALLOC_ERROR, "CodeCache: no room for method handle adapter blob");
11263906664c 8138922: StubCodeDesc constructor publishes partially-constructed objects on StubCodeDesc::_list
vlivanov
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   336
    }
5050
47ecd86932ce 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob
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   337
  }
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   338
  // Track memory usage statistic after releasing CodeCache_lock
47ecd86932ce 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob
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   339
  MemoryService::track_code_cache_memory_usage();
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   340
47ecd86932ce 6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob
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   341
  return blob;
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   342
}
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   343
1
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//----------------------------------------------------------------------------------------------------
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   345
// Implementation of RuntimeStub
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   346
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   347
RuntimeStub::RuntimeStub(
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   348
  const char* name,
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   349
  CodeBuffer* cb,
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   350
  int         size,
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   351
  int         frame_complete,
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   352
  int         frame_size,
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   353
  OopMapSet*  oop_maps,
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   354
  bool        caller_must_gc_arguments
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   355
)
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   356
: RuntimeBlob(name, cb, sizeof(RuntimeStub), size, frame_complete, frame_size, oop_maps, caller_must_gc_arguments)
1
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   357
{
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   358
}
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   359
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   360
RuntimeStub* RuntimeStub::new_runtime_stub(const char* stub_name,
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diff changeset
   361
                                           CodeBuffer* cb,
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diff changeset
   362
                                           int frame_complete,
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diff changeset
   363
                                           int frame_size,
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diff changeset
   364
                                           OopMapSet* oop_maps,
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parents:
diff changeset
   365
                                           bool caller_must_gc_arguments)
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   366
{
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   367
  RuntimeStub* stub = NULL;
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diff changeset
   368
  ThreadInVMfromUnknown __tiv;  // get to VM state in case we block on CodeCache_lock
42664
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents: 42040
diff changeset
   369
  {
1
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diff changeset
   370
    MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
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   371
    unsigned int size = CodeBlob::allocation_size(cb, sizeof(RuntimeStub));
1
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   372
    stub = new (size) RuntimeStub(stub_name, cb, size, frame_complete, frame_size, oop_maps, caller_must_gc_arguments);
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   373
  }
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   374
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parents: 8921
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   375
  trace_new_stub(stub, "RuntimeStub - ", stub_name);
1
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   376
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   377
  return stub;
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diff changeset
   378
}
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   379
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   380
19696
bd5a0131bde1 8021954: VM SIGSEGV during classloading on MacOS; hs_err_pid file produced
coleenp
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diff changeset
   381
void* RuntimeStub::operator new(size_t s, unsigned size) throw() {
27420
04e6f914cce1 8046809: vm/mlvm/meth/stress/compiler/deoptimize CodeCache is full.
anoll
parents: 26919
diff changeset
   382
  void* p = CodeCache::allocate(size, CodeBlobType::NonNMethod);
1
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parents:
diff changeset
   383
  if (!p) fatal("Initial size of CodeCache is too small");
489c9b5090e2 Initial load
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   384
  return p;
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diff changeset
   385
}
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diff changeset
   386
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d6419e4395e3 6939861: JVM should handle more conversion operations
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parents: 8921
diff changeset
   387
// operator new shared by all singletons:
19696
bd5a0131bde1 8021954: VM SIGSEGV during classloading on MacOS; hs_err_pid file produced
coleenp
parents: 17016
diff changeset
   388
void* SingletonBlob::operator new(size_t s, unsigned size) throw() {
27420
04e6f914cce1 8046809: vm/mlvm/meth/stress/compiler/deoptimize CodeCache is full.
anoll
parents: 26919
diff changeset
   389
  void* p = CodeCache::allocate(size, CodeBlobType::NonNMethod);
9630
d6419e4395e3 6939861: JVM should handle more conversion operations
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parents: 8921
diff changeset
   390
  if (!p) fatal("Initial size of CodeCache is too small");
d6419e4395e3 6939861: JVM should handle more conversion operations
never
parents: 8921
diff changeset
   391
  return p;
d6419e4395e3 6939861: JVM should handle more conversion operations
never
parents: 8921
diff changeset
   392
}
d6419e4395e3 6939861: JVM should handle more conversion operations
never
parents: 8921
diff changeset
   393
d6419e4395e3 6939861: JVM should handle more conversion operations
never
parents: 8921
diff changeset
   394
d6419e4395e3 6939861: JVM should handle more conversion operations
never
parents: 8921
diff changeset
   395
//----------------------------------------------------------------------------------------------------
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   396
// Implementation of DeoptimizationBlob
489c9b5090e2 Initial load
duke
parents:
diff changeset
   397
489c9b5090e2 Initial load
duke
parents:
diff changeset
   398
DeoptimizationBlob::DeoptimizationBlob(
489c9b5090e2 Initial load
duke
parents:
diff changeset
   399
  CodeBuffer* cb,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   400
  int         size,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   401
  OopMapSet*  oop_maps,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   402
  int         unpack_offset,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   403
  int         unpack_with_exception_offset,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   404
  int         unpack_with_reexecution_offset,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   405
  int         frame_size
489c9b5090e2 Initial load
duke
parents:
diff changeset
   406
)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   407
: SingletonBlob("DeoptimizationBlob", cb, sizeof(DeoptimizationBlob), size, frame_size, oop_maps)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   408
{
489c9b5090e2 Initial load
duke
parents:
diff changeset
   409
  _unpack_offset           = unpack_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   410
  _unpack_with_exception   = unpack_with_exception_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   411
  _unpack_with_reexecution = unpack_with_reexecution_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   412
#ifdef COMPILER1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   413
  _unpack_with_exception_in_tls   = -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   414
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
   415
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   416
489c9b5090e2 Initial load
duke
parents:
diff changeset
   417
489c9b5090e2 Initial load
duke
parents:
diff changeset
   418
DeoptimizationBlob* DeoptimizationBlob::create(
489c9b5090e2 Initial load
duke
parents:
diff changeset
   419
  CodeBuffer* cb,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   420
  OopMapSet*  oop_maps,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   421
  int        unpack_offset,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   422
  int        unpack_with_exception_offset,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   423
  int        unpack_with_reexecution_offset,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   424
  int        frame_size)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   425
{
489c9b5090e2 Initial load
duke
parents:
diff changeset
   426
  DeoptimizationBlob* blob = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   427
  ThreadInVMfromUnknown __tiv;  // get to VM state in case we block on CodeCache_lock
489c9b5090e2 Initial load
duke
parents:
diff changeset
   428
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   429
    MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
38133
78b95467b9f1 8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents: 37248
diff changeset
   430
    unsigned int size = CodeBlob::allocation_size(cb, sizeof(DeoptimizationBlob));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   431
    blob = new (size) DeoptimizationBlob(cb,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   432
                                         size,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   433
                                         oop_maps,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   434
                                         unpack_offset,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   435
                                         unpack_with_exception_offset,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   436
                                         unpack_with_reexecution_offset,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   437
                                         frame_size);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   438
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   439
9630
d6419e4395e3 6939861: JVM should handle more conversion operations
never
parents: 8921
diff changeset
   440
  trace_new_stub(blob, "DeoptimizationBlob");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   441
489c9b5090e2 Initial load
duke
parents:
diff changeset
   442
  return blob;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   443
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   444
489c9b5090e2 Initial load
duke
parents:
diff changeset
   445
489c9b5090e2 Initial load
duke
parents:
diff changeset
   446
//----------------------------------------------------------------------------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
   447
// Implementation of UncommonTrapBlob
489c9b5090e2 Initial load
duke
parents:
diff changeset
   448
489c9b5090e2 Initial load
duke
parents:
diff changeset
   449
#ifdef COMPILER2
489c9b5090e2 Initial load
duke
parents:
diff changeset
   450
UncommonTrapBlob::UncommonTrapBlob(
489c9b5090e2 Initial load
duke
parents:
diff changeset
   451
  CodeBuffer* cb,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   452
  int         size,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   453
  OopMapSet*  oop_maps,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   454
  int         frame_size
489c9b5090e2 Initial load
duke
parents:
diff changeset
   455
)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   456
: SingletonBlob("UncommonTrapBlob", cb, sizeof(UncommonTrapBlob), size, frame_size, oop_maps)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   457
{}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   458
489c9b5090e2 Initial load
duke
parents:
diff changeset
   459
489c9b5090e2 Initial load
duke
parents:
diff changeset
   460
UncommonTrapBlob* UncommonTrapBlob::create(
489c9b5090e2 Initial load
duke
parents:
diff changeset
   461
  CodeBuffer* cb,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   462
  OopMapSet*  oop_maps,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   463
  int        frame_size)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   464
{
489c9b5090e2 Initial load
duke
parents:
diff changeset
   465
  UncommonTrapBlob* blob = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   466
  ThreadInVMfromUnknown __tiv;  // get to VM state in case we block on CodeCache_lock
489c9b5090e2 Initial load
duke
parents:
diff changeset
   467
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   468
    MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
38133
78b95467b9f1 8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents: 37248
diff changeset
   469
    unsigned int size = CodeBlob::allocation_size(cb, sizeof(UncommonTrapBlob));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   470
    blob = new (size) UncommonTrapBlob(cb, size, oop_maps, frame_size);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   471
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   472
9630
d6419e4395e3 6939861: JVM should handle more conversion operations
never
parents: 8921
diff changeset
   473
  trace_new_stub(blob, "UncommonTrapBlob");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   474
489c9b5090e2 Initial load
duke
parents:
diff changeset
   475
  return blob;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   476
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   477
489c9b5090e2 Initial load
duke
parents:
diff changeset
   478
489c9b5090e2 Initial load
duke
parents:
diff changeset
   479
#endif // COMPILER2
489c9b5090e2 Initial load
duke
parents:
diff changeset
   480
489c9b5090e2 Initial load
duke
parents:
diff changeset
   481
489c9b5090e2 Initial load
duke
parents:
diff changeset
   482
//----------------------------------------------------------------------------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
   483
// Implementation of ExceptionBlob
489c9b5090e2 Initial load
duke
parents:
diff changeset
   484
489c9b5090e2 Initial load
duke
parents:
diff changeset
   485
#ifdef COMPILER2
489c9b5090e2 Initial load
duke
parents:
diff changeset
   486
ExceptionBlob::ExceptionBlob(
489c9b5090e2 Initial load
duke
parents:
diff changeset
   487
  CodeBuffer* cb,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   488
  int         size,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   489
  OopMapSet*  oop_maps,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   490
  int         frame_size
489c9b5090e2 Initial load
duke
parents:
diff changeset
   491
)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   492
: SingletonBlob("ExceptionBlob", cb, sizeof(ExceptionBlob), size, frame_size, oop_maps)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   493
{}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   494
489c9b5090e2 Initial load
duke
parents:
diff changeset
   495
489c9b5090e2 Initial load
duke
parents:
diff changeset
   496
ExceptionBlob* ExceptionBlob::create(
489c9b5090e2 Initial load
duke
parents:
diff changeset
   497
  CodeBuffer* cb,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   498
  OopMapSet*  oop_maps,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   499
  int         frame_size)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   500
{
489c9b5090e2 Initial load
duke
parents:
diff changeset
   501
  ExceptionBlob* blob = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   502
  ThreadInVMfromUnknown __tiv;  // get to VM state in case we block on CodeCache_lock
489c9b5090e2 Initial load
duke
parents:
diff changeset
   503
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   504
    MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
38133
78b95467b9f1 8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents: 37248
diff changeset
   505
    unsigned int size = CodeBlob::allocation_size(cb, sizeof(ExceptionBlob));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   506
    blob = new (size) ExceptionBlob(cb, size, oop_maps, frame_size);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   507
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   508
9630
d6419e4395e3 6939861: JVM should handle more conversion operations
never
parents: 8921
diff changeset
   509
  trace_new_stub(blob, "ExceptionBlob");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   510
489c9b5090e2 Initial load
duke
parents:
diff changeset
   511
  return blob;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   512
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   513
489c9b5090e2 Initial load
duke
parents:
diff changeset
   514
489c9b5090e2 Initial load
duke
parents:
diff changeset
   515
#endif // COMPILER2
489c9b5090e2 Initial load
duke
parents:
diff changeset
   516
489c9b5090e2 Initial load
duke
parents:
diff changeset
   517
489c9b5090e2 Initial load
duke
parents:
diff changeset
   518
//----------------------------------------------------------------------------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
   519
// Implementation of SafepointBlob
489c9b5090e2 Initial load
duke
parents:
diff changeset
   520
489c9b5090e2 Initial load
duke
parents:
diff changeset
   521
SafepointBlob::SafepointBlob(
489c9b5090e2 Initial load
duke
parents:
diff changeset
   522
  CodeBuffer* cb,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   523
  int         size,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   524
  OopMapSet*  oop_maps,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   525
  int         frame_size
489c9b5090e2 Initial load
duke
parents:
diff changeset
   526
)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   527
: SingletonBlob("SafepointBlob", cb, sizeof(SafepointBlob), size, frame_size, oop_maps)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   528
{}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   529
489c9b5090e2 Initial load
duke
parents:
diff changeset
   530
489c9b5090e2 Initial load
duke
parents:
diff changeset
   531
SafepointBlob* SafepointBlob::create(
489c9b5090e2 Initial load
duke
parents:
diff changeset
   532
  CodeBuffer* cb,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   533
  OopMapSet*  oop_maps,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   534
  int         frame_size)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   535
{
489c9b5090e2 Initial load
duke
parents:
diff changeset
   536
  SafepointBlob* blob = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   537
  ThreadInVMfromUnknown __tiv;  // get to VM state in case we block on CodeCache_lock
489c9b5090e2 Initial load
duke
parents:
diff changeset
   538
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   539
    MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
38133
78b95467b9f1 8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents: 37248
diff changeset
   540
    unsigned int size = CodeBlob::allocation_size(cb, sizeof(SafepointBlob));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   541
    blob = new (size) SafepointBlob(cb, size, oop_maps, frame_size);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   542
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   543
9630
d6419e4395e3 6939861: JVM should handle more conversion operations
never
parents: 8921
diff changeset
   544
  trace_new_stub(blob, "SafepointBlob");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   545
489c9b5090e2 Initial load
duke
parents:
diff changeset
   546
  return blob;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   547
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   548
489c9b5090e2 Initial load
duke
parents:
diff changeset
   549
489c9b5090e2 Initial load
duke
parents:
diff changeset
   550
//----------------------------------------------------------------------------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
   551
// Verification and printing
489c9b5090e2 Initial load
duke
parents:
diff changeset
   552
6176
4d9030fe341f 6953477: Increase portability and flexibility of building Hotspot
bobv
parents: 6065
diff changeset
   553
void CodeBlob::print_on(outputStream* st) const {
24424
2658d7834c6e 8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents: 20707
diff changeset
   554
  st->print_cr("[CodeBlob (" INTPTR_FORMAT ")]", p2i(this));
6176
4d9030fe341f 6953477: Increase portability and flexibility of building Hotspot
bobv
parents: 6065
diff changeset
   555
  st->print_cr("Framesize: %d", _frame_size);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   556
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   557
489c9b5090e2 Initial load
duke
parents:
diff changeset
   558
void CodeBlob::print_value_on(outputStream* st) const {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   559
  st->print_cr("[CodeBlob]");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   560
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   561
38133
78b95467b9f1 8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents: 37248
diff changeset
   562
void RuntimeBlob::verify() {
78b95467b9f1 8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents: 37248
diff changeset
   563
  ShouldNotReachHere();
78b95467b9f1 8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents: 37248
diff changeset
   564
}
78b95467b9f1 8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents: 37248
diff changeset
   565
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   566
void BufferBlob::verify() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   567
  // unimplemented
489c9b5090e2 Initial load
duke
parents:
diff changeset
   568
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   569
6176
4d9030fe341f 6953477: Increase portability and flexibility of building Hotspot
bobv
parents: 6065
diff changeset
   570
void BufferBlob::print_on(outputStream* st) const {
38133
78b95467b9f1 8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents: 37248
diff changeset
   571
  RuntimeBlob::print_on(st);
6176
4d9030fe341f 6953477: Increase portability and flexibility of building Hotspot
bobv
parents: 6065
diff changeset
   572
  print_value_on(st);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   573
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   574
489c9b5090e2 Initial load
duke
parents:
diff changeset
   575
void BufferBlob::print_value_on(outputStream* st) const {
24424
2658d7834c6e 8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents: 20707
diff changeset
   576
  st->print_cr("BufferBlob (" INTPTR_FORMAT  ") used for %s", p2i(this), name());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   577
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   578
489c9b5090e2 Initial load
duke
parents:
diff changeset
   579
void RuntimeStub::verify() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   580
  // unimplemented
489c9b5090e2 Initial load
duke
parents:
diff changeset
   581
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   582
6176
4d9030fe341f 6953477: Increase portability and flexibility of building Hotspot
bobv
parents: 6065
diff changeset
   583
void RuntimeStub::print_on(outputStream* st) const {
13887
89b873bcc55b 7200163: add CodeComments functionality to assember stubs
kvn
parents: 13728
diff changeset
   584
  ttyLocker ttyl;
38133
78b95467b9f1 8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents: 37248
diff changeset
   585
  RuntimeBlob::print_on(st);
24424
2658d7834c6e 8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents: 20707
diff changeset
   586
  st->print("Runtime Stub (" INTPTR_FORMAT "): ", p2i(this));
2658d7834c6e 8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents: 20707
diff changeset
   587
  st->print_cr("%s", name());
38133
78b95467b9f1 8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents: 37248
diff changeset
   588
  Disassembler::decode((RuntimeBlob*)this, st);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   589
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   590
489c9b5090e2 Initial load
duke
parents:
diff changeset
   591
void RuntimeStub::print_value_on(outputStream* st) const {
24424
2658d7834c6e 8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents: 20707
diff changeset
   592
  st->print("RuntimeStub (" INTPTR_FORMAT "): ", p2i(this)); st->print("%s", name());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   593
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   594
489c9b5090e2 Initial load
duke
parents:
diff changeset
   595
void SingletonBlob::verify() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   596
  // unimplemented
489c9b5090e2 Initial load
duke
parents:
diff changeset
   597
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   598
6176
4d9030fe341f 6953477: Increase portability and flexibility of building Hotspot
bobv
parents: 6065
diff changeset
   599
void SingletonBlob::print_on(outputStream* st) const {
13887
89b873bcc55b 7200163: add CodeComments functionality to assember stubs
kvn
parents: 13728
diff changeset
   600
  ttyLocker ttyl;
38133
78b95467b9f1 8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents: 37248
diff changeset
   601
  RuntimeBlob::print_on(st);
24424
2658d7834c6e 8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents: 20707
diff changeset
   602
  st->print_cr("%s", name());
38133
78b95467b9f1 8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents: 37248
diff changeset
   603
  Disassembler::decode((RuntimeBlob*)this, st);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   604
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   605
489c9b5090e2 Initial load
duke
parents:
diff changeset
   606
void SingletonBlob::print_value_on(outputStream* st) const {
24424
2658d7834c6e 8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents: 20707
diff changeset
   607
  st->print_cr("%s", name());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   608
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   609
489c9b5090e2 Initial load
duke
parents:
diff changeset
   610
void DeoptimizationBlob::print_value_on(outputStream* st) const {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   611
  st->print_cr("Deoptimization (frame not available)");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   612
}