hotspot/src/share/vm/code/codeBlob.cpp
author anoll
Thu, 10 Oct 2013 15:44:12 +0200
changeset 20707 b3b658c6d1f8
parent 19696 bd5a0131bde1
child 24424 2658d7834c6e
permissions -rw-r--r--
8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash Summary: Ensure ensure correct initialization of compiler runtime Reviewed-by: kvn, twisti
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/*
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 * Copyright (c) 1998, 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 "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 "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.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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#ifdef TARGET_ARCH_x86
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# include "nativeInst_x86.hpp"
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#endif
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#ifdef TARGET_ARCH_sparc
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# include "nativeInst_sparc.hpp"
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#endif
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#ifdef TARGET_ARCH_zero
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# include "nativeInst_zero.hpp"
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#endif
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#ifdef TARGET_ARCH_arm
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# include "nativeInst_arm.hpp"
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#endif
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#ifdef TARGET_ARCH_ppc
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# include "nativeInst_ppc.hpp"
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#endif
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#ifdef COMPILER1
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#include "c1/c1_Runtime1.hpp"
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#endif
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unsigned int 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 += round_to(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 += round_to(cb->total_content_size(), oopSize);
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  size += round_to(cb->total_oop_size(), oopSize);
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  size += round_to(cb->total_metadata_size(), oopSize);
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  return size;
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}
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// Creates a simple CodeBlob. Sets up the size of the different regions.
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CodeBlob::CodeBlob(const char* name, int header_size, int size, int frame_complete, int locs_size) {
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  assert(size        == round_to(size,        oopSize), "unaligned size");
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  assert(locs_size   == round_to(locs_size,   oopSize), "unaligned size");
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  assert(header_size == round_to(header_size, oopSize), "unaligned size");
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  assert(!UseRelocIndex, "no space allocated for reloc index yet");
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  // Note: If UseRelocIndex is enabled, there needs to be (at least) one
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  //       extra word for the relocation information, containing the reloc
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  //       index table length. Unfortunately, the reloc index table imple-
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  //       mentation is not easily understandable and thus it is not clear
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  //       what exactly the format is supposed to be. For now, we just turn
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  //       off the use of this table (gri 7/6/2000).
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  _name                  = name;
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  _size                  = size;
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  _frame_complete_offset = frame_complete;
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  _header_size           = header_size;
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  _relocation_size       = locs_size;
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  _content_offset        = align_code_offset(header_size + _relocation_size);
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  _code_offset           = _content_offset;
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  _data_offset           = size;
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  _frame_size            =  0;
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  set_oop_maps(NULL);
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}
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// Creates a CodeBlob from a CodeBuffer. Sets up the size of the different regions,
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// and copy code and relocation info.
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CodeBlob::CodeBlob(
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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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) {
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  assert(size        == round_to(size,        oopSize), "unaligned size");
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  assert(header_size == round_to(header_size, oopSize), "unaligned size");
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  _name                  = name;
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  _size                  = size;
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  _frame_complete_offset = frame_complete;
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  _header_size           = header_size;
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  _relocation_size       = round_to(cb->total_relocation_size(), oopSize);
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  _content_offset        = align_code_offset(header_size + _relocation_size);
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  _code_offset           = _content_offset + cb->total_offset_of(cb->insts());
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  _data_offset           = _content_offset + round_to(cb->total_content_size(), oopSize);
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  assert(_data_offset <= size, "codeBlob is too small");
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  cb->copy_code_and_locs_to(this);
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  set_oop_maps(oop_maps);
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  _frame_size = frame_size;
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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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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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    // We need to allocate a chunk big enough to hold the OopMapSet and all of its OopMaps
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    _oop_maps = (OopMapSet* )NEW_C_HEAP_ARRAY(unsigned char, p->heap_size(), mtCode);
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    p->copy_to((address)_oop_maps);
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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 CodeBlob::trace_new_stub(CodeBlob* 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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void CodeBlob::flush() {
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  if (_oop_maps) {
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    FREE_C_HEAP_ARRAY(unsigned char, _oop_maps, mtCode);
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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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OopMap* 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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//----------------------------------------------------------------------------------------------------
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// Implementation of BufferBlob
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BufferBlob::BufferBlob(const char* name, int size)
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: CodeBlob(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 = align_code_offset(size);
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  size += round_to(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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  : CodeBlob(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 = 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, bool is_critical) throw() {
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  void* p = CodeCache::allocate(size, is_critical);
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  return p;
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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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  {
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    MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
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    CodeCache::free((CodeBlob*)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 = 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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    // The parameter 'true' indicates a critical memory allocation.
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    // This means that CodeCacheMinimumFreeSpace is used, if necessary
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    const bool is_critical = true;
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    blob = new (size, is_critical) 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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//----------------------------------------------------------------------------------------------------
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// Implementation of MethodHandlesAdapterBlob
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MethodHandlesAdapterBlob* MethodHandlesAdapterBlob::create(int buffer_size) {
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  ThreadInVMfromUnknown __tiv;  // get to VM state in case we block on CodeCache_lock
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  MethodHandlesAdapterBlob* blob = NULL;
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  unsigned int size = sizeof(MethodHandlesAdapterBlob);
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  // align the size to CodeEntryAlignment
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  size = align_code_offset(size);
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  size += round_to(buffer_size, oopSize);
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  {
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    MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
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    // The parameter 'true' indicates a critical memory allocation.
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    // This means that CodeCacheMinimumFreeSpace is used, if necessary
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    const bool is_critical = true;
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    blob = new (size, is_critical) MethodHandlesAdapterBlob(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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//----------------------------------------------------------------------------------------------------
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// Implementation of RuntimeStub
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RuntimeStub::RuntimeStub(
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  const char* name,
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  CodeBuffer* cb,
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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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)
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: CodeBlob(name, cb, sizeof(RuntimeStub), size, frame_complete, frame_size, oop_maps)
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{
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  _caller_must_gc_arguments = caller_must_gc_arguments;
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}
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RuntimeStub* RuntimeStub::new_runtime_stub(const char* stub_name,
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                                           CodeBuffer* cb,
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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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{
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  RuntimeStub* stub = NULL;
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  ThreadInVMfromUnknown __tiv;  // get to VM state in case we block on CodeCache_lock
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  {
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    MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
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    unsigned int size = allocation_size(cb, sizeof(RuntimeStub));
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    stub = new (size) RuntimeStub(stub_name, cb, size, frame_complete, frame_size, oop_maps, caller_must_gc_arguments);
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   348
  }
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   349
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parents: 8921
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   350
  trace_new_stub(stub, "RuntimeStub - ", stub_name);
1
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parents:
diff changeset
   351
489c9b5090e2 Initial load
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   352
  return stub;
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parents:
diff changeset
   353
}
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diff changeset
   354
489c9b5090e2 Initial load
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diff changeset
   355
19696
bd5a0131bde1 8021954: VM SIGSEGV during classloading on MacOS; hs_err_pid file produced
coleenp
parents: 17016
diff changeset
   356
void* RuntimeStub::operator new(size_t s, unsigned size) throw() {
17016
78b1c3670525 8006952: Slow VM due to excessive code cache freelist iteration
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parents: 16368
diff changeset
   357
  void* p = CodeCache::allocate(size, true);
1
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parents:
diff changeset
   358
  if (!p) fatal("Initial size of CodeCache is too small");
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diff changeset
   359
  return p;
489c9b5090e2 Initial load
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parents:
diff changeset
   360
}
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parents:
diff changeset
   361
9630
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never
parents: 8921
diff changeset
   362
// 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
   363
void* SingletonBlob::operator new(size_t s, unsigned size) throw() {
17016
78b1c3670525 8006952: Slow VM due to excessive code cache freelist iteration
neliasso
parents: 16368
diff changeset
   364
  void* p = CodeCache::allocate(size, true);
9630
d6419e4395e3 6939861: JVM should handle more conversion operations
never
parents: 8921
diff changeset
   365
  if (!p) fatal("Initial size of CodeCache is too small");
d6419e4395e3 6939861: JVM should handle more conversion operations
never
parents: 8921
diff changeset
   366
  return p;
d6419e4395e3 6939861: JVM should handle more conversion operations
never
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diff changeset
   367
}
d6419e4395e3 6939861: JVM should handle more conversion operations
never
parents: 8921
diff changeset
   368
d6419e4395e3 6939861: JVM should handle more conversion operations
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parents: 8921
diff changeset
   369
d6419e4395e3 6939861: JVM should handle more conversion operations
never
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diff changeset
   370
//----------------------------------------------------------------------------------------------------
1
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parents:
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   371
// Implementation of DeoptimizationBlob
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parents:
diff changeset
   372
489c9b5090e2 Initial load
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parents:
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   373
DeoptimizationBlob::DeoptimizationBlob(
489c9b5090e2 Initial load
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   374
  CodeBuffer* cb,
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diff changeset
   375
  int         size,
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   376
  OopMapSet*  oop_maps,
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parents:
diff changeset
   377
  int         unpack_offset,
489c9b5090e2 Initial load
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parents:
diff changeset
   378
  int         unpack_with_exception_offset,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   379
  int         unpack_with_reexecution_offset,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   380
  int         frame_size
489c9b5090e2 Initial load
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parents:
diff changeset
   381
)
489c9b5090e2 Initial load
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parents:
diff changeset
   382
: SingletonBlob("DeoptimizationBlob", cb, sizeof(DeoptimizationBlob), size, frame_size, oop_maps)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   383
{
489c9b5090e2 Initial load
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parents:
diff changeset
   384
  _unpack_offset           = unpack_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   385
  _unpack_with_exception   = unpack_with_exception_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   386
  _unpack_with_reexecution = unpack_with_reexecution_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   387
#ifdef COMPILER1
489c9b5090e2 Initial load
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parents:
diff changeset
   388
  _unpack_with_exception_in_tls   = -1;
489c9b5090e2 Initial load
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parents:
diff changeset
   389
#endif
489c9b5090e2 Initial load
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parents:
diff changeset
   390
}
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duke
parents:
diff changeset
   391
489c9b5090e2 Initial load
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parents:
diff changeset
   392
489c9b5090e2 Initial load
duke
parents:
diff changeset
   393
DeoptimizationBlob* DeoptimizationBlob::create(
489c9b5090e2 Initial load
duke
parents:
diff changeset
   394
  CodeBuffer* cb,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   395
  OopMapSet*  oop_maps,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   396
  int        unpack_offset,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   397
  int        unpack_with_exception_offset,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   398
  int        unpack_with_reexecution_offset,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   399
  int        frame_size)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   400
{
489c9b5090e2 Initial load
duke
parents:
diff changeset
   401
  DeoptimizationBlob* blob = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   402
  ThreadInVMfromUnknown __tiv;  // get to VM state in case we block on CodeCache_lock
489c9b5090e2 Initial load
duke
parents:
diff changeset
   403
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   404
    MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   405
    unsigned int size = allocation_size(cb, sizeof(DeoptimizationBlob));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   406
    blob = new (size) DeoptimizationBlob(cb,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   407
                                         size,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   408
                                         oop_maps,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   409
                                         unpack_offset,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   410
                                         unpack_with_exception_offset,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   411
                                         unpack_with_reexecution_offset,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   412
                                         frame_size);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   413
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   414
9630
d6419e4395e3 6939861: JVM should handle more conversion operations
never
parents: 8921
diff changeset
   415
  trace_new_stub(blob, "DeoptimizationBlob");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   416
489c9b5090e2 Initial load
duke
parents:
diff changeset
   417
  return blob;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   418
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   419
489c9b5090e2 Initial load
duke
parents:
diff changeset
   420
489c9b5090e2 Initial load
duke
parents:
diff changeset
   421
//----------------------------------------------------------------------------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
   422
// Implementation of UncommonTrapBlob
489c9b5090e2 Initial load
duke
parents:
diff changeset
   423
489c9b5090e2 Initial load
duke
parents:
diff changeset
   424
#ifdef COMPILER2
489c9b5090e2 Initial load
duke
parents:
diff changeset
   425
UncommonTrapBlob::UncommonTrapBlob(
489c9b5090e2 Initial load
duke
parents:
diff changeset
   426
  CodeBuffer* cb,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   427
  int         size,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   428
  OopMapSet*  oop_maps,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   429
  int         frame_size
489c9b5090e2 Initial load
duke
parents:
diff changeset
   430
)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   431
: SingletonBlob("UncommonTrapBlob", cb, sizeof(UncommonTrapBlob), size, frame_size, oop_maps)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   432
{}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   433
489c9b5090e2 Initial load
duke
parents:
diff changeset
   434
489c9b5090e2 Initial load
duke
parents:
diff changeset
   435
UncommonTrapBlob* UncommonTrapBlob::create(
489c9b5090e2 Initial load
duke
parents:
diff changeset
   436
  CodeBuffer* cb,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   437
  OopMapSet*  oop_maps,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   438
  int        frame_size)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   439
{
489c9b5090e2 Initial load
duke
parents:
diff changeset
   440
  UncommonTrapBlob* blob = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   441
  ThreadInVMfromUnknown __tiv;  // get to VM state in case we block on CodeCache_lock
489c9b5090e2 Initial load
duke
parents:
diff changeset
   442
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   443
    MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   444
    unsigned int size = allocation_size(cb, sizeof(UncommonTrapBlob));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   445
    blob = new (size) UncommonTrapBlob(cb, size, oop_maps, frame_size);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   446
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   447
9630
d6419e4395e3 6939861: JVM should handle more conversion operations
never
parents: 8921
diff changeset
   448
  trace_new_stub(blob, "UncommonTrapBlob");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   449
489c9b5090e2 Initial load
duke
parents:
diff changeset
   450
  return blob;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   451
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   452
489c9b5090e2 Initial load
duke
parents:
diff changeset
   453
489c9b5090e2 Initial load
duke
parents:
diff changeset
   454
#endif // COMPILER2
489c9b5090e2 Initial load
duke
parents:
diff changeset
   455
489c9b5090e2 Initial load
duke
parents:
diff changeset
   456
489c9b5090e2 Initial load
duke
parents:
diff changeset
   457
//----------------------------------------------------------------------------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
   458
// Implementation of ExceptionBlob
489c9b5090e2 Initial load
duke
parents:
diff changeset
   459
489c9b5090e2 Initial load
duke
parents:
diff changeset
   460
#ifdef COMPILER2
489c9b5090e2 Initial load
duke
parents:
diff changeset
   461
ExceptionBlob::ExceptionBlob(
489c9b5090e2 Initial load
duke
parents:
diff changeset
   462
  CodeBuffer* cb,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   463
  int         size,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   464
  OopMapSet*  oop_maps,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   465
  int         frame_size
489c9b5090e2 Initial load
duke
parents:
diff changeset
   466
)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   467
: SingletonBlob("ExceptionBlob", cb, sizeof(ExceptionBlob), size, frame_size, oop_maps)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   468
{}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   469
489c9b5090e2 Initial load
duke
parents:
diff changeset
   470
489c9b5090e2 Initial load
duke
parents:
diff changeset
   471
ExceptionBlob* ExceptionBlob::create(
489c9b5090e2 Initial load
duke
parents:
diff changeset
   472
  CodeBuffer* cb,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   473
  OopMapSet*  oop_maps,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   474
  int         frame_size)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   475
{
489c9b5090e2 Initial load
duke
parents:
diff changeset
   476
  ExceptionBlob* blob = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   477
  ThreadInVMfromUnknown __tiv;  // get to VM state in case we block on CodeCache_lock
489c9b5090e2 Initial load
duke
parents:
diff changeset
   478
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   479
    MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   480
    unsigned int size = allocation_size(cb, sizeof(ExceptionBlob));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   481
    blob = new (size) ExceptionBlob(cb, size, oop_maps, frame_size);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   482
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   483
9630
d6419e4395e3 6939861: JVM should handle more conversion operations
never
parents: 8921
diff changeset
   484
  trace_new_stub(blob, "ExceptionBlob");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   485
489c9b5090e2 Initial load
duke
parents:
diff changeset
   486
  return blob;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   487
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   488
489c9b5090e2 Initial load
duke
parents:
diff changeset
   489
489c9b5090e2 Initial load
duke
parents:
diff changeset
   490
#endif // COMPILER2
489c9b5090e2 Initial load
duke
parents:
diff changeset
   491
489c9b5090e2 Initial load
duke
parents:
diff changeset
   492
489c9b5090e2 Initial load
duke
parents:
diff changeset
   493
//----------------------------------------------------------------------------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
   494
// Implementation of SafepointBlob
489c9b5090e2 Initial load
duke
parents:
diff changeset
   495
489c9b5090e2 Initial load
duke
parents:
diff changeset
   496
SafepointBlob::SafepointBlob(
489c9b5090e2 Initial load
duke
parents:
diff changeset
   497
  CodeBuffer* cb,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   498
  int         size,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   499
  OopMapSet*  oop_maps,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   500
  int         frame_size
489c9b5090e2 Initial load
duke
parents:
diff changeset
   501
)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   502
: SingletonBlob("SafepointBlob", cb, sizeof(SafepointBlob), size, frame_size, oop_maps)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   503
{}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   504
489c9b5090e2 Initial load
duke
parents:
diff changeset
   505
489c9b5090e2 Initial load
duke
parents:
diff changeset
   506
SafepointBlob* SafepointBlob::create(
489c9b5090e2 Initial load
duke
parents:
diff changeset
   507
  CodeBuffer* cb,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   508
  OopMapSet*  oop_maps,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   509
  int         frame_size)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   510
{
489c9b5090e2 Initial load
duke
parents:
diff changeset
   511
  SafepointBlob* blob = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   512
  ThreadInVMfromUnknown __tiv;  // get to VM state in case we block on CodeCache_lock
489c9b5090e2 Initial load
duke
parents:
diff changeset
   513
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   514
    MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   515
    unsigned int size = allocation_size(cb, sizeof(SafepointBlob));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   516
    blob = new (size) SafepointBlob(cb, size, oop_maps, frame_size);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   517
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   518
9630
d6419e4395e3 6939861: JVM should handle more conversion operations
never
parents: 8921
diff changeset
   519
  trace_new_stub(blob, "SafepointBlob");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   520
489c9b5090e2 Initial load
duke
parents:
diff changeset
   521
  return blob;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   522
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   523
489c9b5090e2 Initial load
duke
parents:
diff changeset
   524
489c9b5090e2 Initial load
duke
parents:
diff changeset
   525
//----------------------------------------------------------------------------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
   526
// Verification and printing
489c9b5090e2 Initial load
duke
parents:
diff changeset
   527
489c9b5090e2 Initial load
duke
parents:
diff changeset
   528
void CodeBlob::verify() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   529
  ShouldNotReachHere();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   530
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   531
6176
4d9030fe341f 6953477: Increase portability and flexibility of building Hotspot
bobv
parents: 6065
diff changeset
   532
void CodeBlob::print_on(outputStream* st) const {
4d9030fe341f 6953477: Increase portability and flexibility of building Hotspot
bobv
parents: 6065
diff changeset
   533
  st->print_cr("[CodeBlob (" INTPTR_FORMAT ")]", this);
4d9030fe341f 6953477: Increase portability and flexibility of building Hotspot
bobv
parents: 6065
diff changeset
   534
  st->print_cr("Framesize: %d", _frame_size);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   535
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   536
489c9b5090e2 Initial load
duke
parents:
diff changeset
   537
void CodeBlob::print_value_on(outputStream* st) const {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   538
  st->print_cr("[CodeBlob]");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   539
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   540
489c9b5090e2 Initial load
duke
parents:
diff changeset
   541
void BufferBlob::verify() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   542
  // unimplemented
489c9b5090e2 Initial load
duke
parents:
diff changeset
   543
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   544
6176
4d9030fe341f 6953477: Increase portability and flexibility of building Hotspot
bobv
parents: 6065
diff changeset
   545
void BufferBlob::print_on(outputStream* st) const {
4d9030fe341f 6953477: Increase portability and flexibility of building Hotspot
bobv
parents: 6065
diff changeset
   546
  CodeBlob::print_on(st);
4d9030fe341f 6953477: Increase portability and flexibility of building Hotspot
bobv
parents: 6065
diff changeset
   547
  print_value_on(st);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   548
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   549
489c9b5090e2 Initial load
duke
parents:
diff changeset
   550
void BufferBlob::print_value_on(outputStream* st) const {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   551
  st->print_cr("BufferBlob (" INTPTR_FORMAT  ") used for %s", this, name());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   552
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   553
489c9b5090e2 Initial load
duke
parents:
diff changeset
   554
void RuntimeStub::verify() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   555
  // unimplemented
489c9b5090e2 Initial load
duke
parents:
diff changeset
   556
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   557
6176
4d9030fe341f 6953477: Increase portability and flexibility of building Hotspot
bobv
parents: 6065
diff changeset
   558
void RuntimeStub::print_on(outputStream* st) const {
13887
89b873bcc55b 7200163: add CodeComments functionality to assember stubs
kvn
parents: 13728
diff changeset
   559
  ttyLocker ttyl;
6176
4d9030fe341f 6953477: Increase portability and flexibility of building Hotspot
bobv
parents: 6065
diff changeset
   560
  CodeBlob::print_on(st);
4d9030fe341f 6953477: Increase portability and flexibility of building Hotspot
bobv
parents: 6065
diff changeset
   561
  st->print("Runtime Stub (" INTPTR_FORMAT "): ", this);
4d9030fe341f 6953477: Increase portability and flexibility of building Hotspot
bobv
parents: 6065
diff changeset
   562
  st->print_cr(name());
4d9030fe341f 6953477: Increase portability and flexibility of building Hotspot
bobv
parents: 6065
diff changeset
   563
  Disassembler::decode((CodeBlob*)this, st);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   564
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   565
489c9b5090e2 Initial load
duke
parents:
diff changeset
   566
void RuntimeStub::print_value_on(outputStream* st) const {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   567
  st->print("RuntimeStub (" INTPTR_FORMAT "): ", this); st->print(name());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   568
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   569
489c9b5090e2 Initial load
duke
parents:
diff changeset
   570
void SingletonBlob::verify() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   571
  // unimplemented
489c9b5090e2 Initial load
duke
parents:
diff changeset
   572
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   573
6176
4d9030fe341f 6953477: Increase portability and flexibility of building Hotspot
bobv
parents: 6065
diff changeset
   574
void SingletonBlob::print_on(outputStream* st) const {
13887
89b873bcc55b 7200163: add CodeComments functionality to assember stubs
kvn
parents: 13728
diff changeset
   575
  ttyLocker ttyl;
6176
4d9030fe341f 6953477: Increase portability and flexibility of building Hotspot
bobv
parents: 6065
diff changeset
   576
  CodeBlob::print_on(st);
4d9030fe341f 6953477: Increase portability and flexibility of building Hotspot
bobv
parents: 6065
diff changeset
   577
  st->print_cr(name());
4d9030fe341f 6953477: Increase portability and flexibility of building Hotspot
bobv
parents: 6065
diff changeset
   578
  Disassembler::decode((CodeBlob*)this, st);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   579
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   580
489c9b5090e2 Initial load
duke
parents:
diff changeset
   581
void SingletonBlob::print_value_on(outputStream* st) const {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   582
  st->print_cr(name());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   583
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   584
489c9b5090e2 Initial load
duke
parents:
diff changeset
   585
void DeoptimizationBlob::print_value_on(outputStream* st) const {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   586
  st->print_cr("Deoptimization (frame not available)");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   587
}