author | anoll |
Thu, 23 May 2013 14:11:09 +0200 | |
changeset 17623 | 6295813086d0 |
parent 13963 | e5b53c306fb5 |
child 20707 | b3b658c6d1f8 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1999, 2012, 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 "c1/c1_Compilation.hpp" |
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#include "c1/c1_Compiler.hpp" |
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#include "c1/c1_FrameMap.hpp" |
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#include "c1/c1_GraphBuilder.hpp" |
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#include "c1/c1_LinearScan.hpp" |
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#include "c1/c1_MacroAssembler.hpp" |
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#include "c1/c1_Runtime1.hpp" |
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#include "c1/c1_ValueType.hpp" |
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#include "compiler/compileBroker.hpp" |
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#include "compiler/compilerOracle.hpp" |
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#include "interpreter/linkResolver.hpp" |
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#include "memory/allocation.hpp" |
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#include "memory/allocation.inline.hpp" |
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#include "memory/resourceArea.hpp" |
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#include "prims/nativeLookup.hpp" |
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#include "runtime/arguments.hpp" |
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#include "runtime/interfaceSupport.hpp" |
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#include "runtime/sharedRuntime.hpp" |
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volatile int Compiler::_runtimes = uninitialized; |
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Compiler::Compiler() { |
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} |
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Compiler::~Compiler() { |
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Unimplemented(); |
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} |
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void Compiler::initialize_all() { |
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BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob(); |
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Arena* arena = new (mtCompiler) Arena(); |
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Runtime1::initialize(buffer_blob); |
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FrameMap::initialize(); |
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// initialize data structures |
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ValueType::initialize(arena); |
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// Instruction::initialize(); |
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// BlockBegin::initialize(); |
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GraphBuilder::initialize(); |
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// note: to use more than one instance of LinearScan at a time this function call has to |
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// be moved somewhere outside of this constructor: |
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Interval::initialize(arena); |
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} |
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void Compiler::initialize() { |
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if (_runtimes != initialized) { |
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initialize_runtimes( initialize_all, &_runtimes); |
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} |
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mark_initialized(); |
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} |
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BufferBlob* Compiler::get_buffer_blob(ciEnv* env) { |
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// Allocate buffer blob once at startup since allocation for each |
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// compilation seems to be too expensive (at least on Intel win32). |
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BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob(); |
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if (buffer_blob != NULL) { |
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return buffer_blob; |
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} |
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// setup CodeBuffer. Preallocate a BufferBlob of size |
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// NMethodSizeLimit plus some extra space for constants. |
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int code_buffer_size = Compilation::desired_max_code_buffer_size() + |
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Compilation::desired_max_constant_size(); |
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buffer_blob = BufferBlob::create("Compiler1 temporary CodeBuffer", |
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code_buffer_size); |
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if (buffer_blob == NULL) { |
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CompileBroker::handle_full_code_cache(); |
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env->record_failure("CodeCache is full"); |
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} else { |
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CompilerThread::current()->set_buffer_blob(buffer_blob); |
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} |
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return buffer_blob; |
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} |
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void Compiler::compile_method(ciEnv* env, ciMethod* method, int entry_bci) { |
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BufferBlob* buffer_blob = Compiler::get_buffer_blob(env); |
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if (buffer_blob == NULL) { |
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return; |
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} |
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if (!is_initialized()) { |
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initialize(); |
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} |
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// invoke compilation |
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{ |
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// We are nested here because we need for the destructor |
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// of Compilation to occur before we release the any |
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// competing compiler thread |
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ResourceMark rm; |
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Compilation c(this, env, method, entry_bci, buffer_blob); |
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} |
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} |
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void Compiler::print_timers() { |
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Compilation::print_timers(); |
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} |