duke@435: /*
mikael@6198:  * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
duke@435:  *
duke@435:  */
duke@435: 
stefank@2314: #include "precompiled.hpp"
stefank@2314: #include "c1/c1_Compilation.hpp"
stefank@2314: #include "c1/c1_Compiler.hpp"
stefank@2314: #include "c1/c1_FrameMap.hpp"
stefank@2314: #include "c1/c1_GraphBuilder.hpp"
stefank@2314: #include "c1/c1_LinearScan.hpp"
stefank@2314: #include "c1/c1_MacroAssembler.hpp"
stefank@2314: #include "c1/c1_Runtime1.hpp"
stefank@2314: #include "c1/c1_ValueType.hpp"
stefank@2314: #include "compiler/compileBroker.hpp"
stefank@2314: #include "compiler/compilerOracle.hpp"
stefank@2314: #include "interpreter/linkResolver.hpp"
stefank@2314: #include "memory/allocation.hpp"
stefank@2314: #include "memory/allocation.inline.hpp"
stefank@2314: #include "memory/resourceArea.hpp"
stefank@2314: #include "prims/nativeLookup.hpp"
stefank@2314: #include "runtime/arguments.hpp"
stefank@2314: #include "runtime/interfaceSupport.hpp"
stefank@2314: #include "runtime/sharedRuntime.hpp"
duke@435: 
duke@435: 
anoll@5919: Compiler::Compiler () {}
duke@435: 
anoll@5919: void Compiler::init_c1_runtime() {
iveresov@1939:   BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob();
zgu@7074:   Arena* arena = new (mtCompiler) Arena(mtCompiler);
iveresov@1939:   Runtime1::initialize(buffer_blob);
iveresov@1939:   FrameMap::initialize();
iveresov@1939:   // initialize data structures
iveresov@1939:   ValueType::initialize(arena);
iveresov@1939:   GraphBuilder::initialize();
iveresov@1939:   // note: to use more than one instance of LinearScan at a time this function call has to
iveresov@1939:   //       be moved somewhere outside of this constructor:
iveresov@1939:   Interval::initialize(arena);
iveresov@1939: }
iveresov@1939: 
iveresov@1939: 
duke@435: void Compiler::initialize() {
anoll@5919:   // Buffer blob must be allocated per C1 compiler thread at startup
anoll@5919:   BufferBlob* buffer_blob = init_buffer_blob();
anoll@5919: 
anoll@5919:   if (should_perform_init()) {
anoll@5919:     if (buffer_blob == NULL) {
anoll@5919:       // When we come here we are in state 'initializing'; entire C1 compilation
anoll@5919:       // can be shut down.
anoll@5919:       set_state(failed);
anoll@5919:     } else {
anoll@5919:       init_c1_runtime();
anoll@5919:       set_state(initialized);
anoll@5919:     }
duke@435:   }
duke@435: }
duke@435: 
anoll@5919: BufferBlob* Compiler::init_buffer_blob() {
anoll@5157:   // Allocate buffer blob once at startup since allocation for each
anoll@5157:   // compilation seems to be too expensive (at least on Intel win32).
anoll@5919:   assert (CompilerThread::current()->get_buffer_blob() == NULL, "Should initialize only once");
anoll@5157: 
iveresov@1939:   // setup CodeBuffer.  Preallocate a BufferBlob of size
iveresov@1939:   // NMethodSizeLimit plus some extra space for constants.
iveresov@1939:   int code_buffer_size = Compilation::desired_max_code_buffer_size() +
iveresov@1939:     Compilation::desired_max_constant_size();
anoll@5157: 
anoll@5919:   BufferBlob* buffer_blob = BufferBlob::create("C1 temporary CodeBuffer", code_buffer_size);
anoll@5919:   if (buffer_blob != NULL) {
anoll@5157:     CompilerThread::current()->set_buffer_blob(buffer_blob);
anoll@5157:   }
anoll@5157: 
anoll@5157:   return buffer_blob;
iveresov@1939: }
iveresov@1939: 
iveresov@1939: 
duke@435: void Compiler::compile_method(ciEnv* env, ciMethod* method, int entry_bci) {
anoll@5919:   BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob();
anoll@5919:   assert(buffer_blob != NULL, "Must exist");
duke@435:   // invoke compilation
duke@435:   {
duke@435:     // We are nested here because we need for the destructor
duke@435:     // of Compilation to occur before we release the any
duke@435:     // competing compiler thread
duke@435:     ResourceMark rm;
iveresov@1939:     Compilation c(this, env, method, entry_bci, buffer_blob);
duke@435:   }
duke@435: }
duke@435: 
duke@435: 
duke@435: void Compiler::print_timers() {
duke@435:   Compilation::print_timers();
duke@435: }