/* * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #include "precompiled.hpp" #include "c1/c1_Compilation.hpp" #include "c1/c1_Compiler.hpp" #include "c1/c1_FrameMap.hpp" #include "c1/c1_GraphBuilder.hpp" #include "c1/c1_LinearScan.hpp" #include "c1/c1_MacroAssembler.hpp" #include "c1/c1_Runtime1.hpp" #include "c1/c1_ValueType.hpp" #include "compiler/compileBroker.hpp" #include "compiler/compilerOracle.hpp" #include "interpreter/linkResolver.hpp" #include "memory/allocation.hpp" #include "memory/allocation.inline.hpp" #include "memory/resourceArea.hpp" #include "prims/nativeLookup.hpp" #include "runtime/arguments.hpp" #include "runtime/interfaceSupport.hpp" #include "runtime/sharedRuntime.hpp" Compiler::Compiler () {} void Compiler::init_c1_runtime() { BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob(); Arena* arena = new (mtCompiler) Arena(); Runtime1::initialize(buffer_blob); FrameMap::initialize(); // initialize data structures ValueType::initialize(arena); GraphBuilder::initialize(); // note: to use more than one instance of LinearScan at a time this function call has to // be moved somewhere outside of this constructor: Interval::initialize(arena); } void Compiler::initialize() { // Buffer blob must be allocated per C1 compiler thread at startup BufferBlob* buffer_blob = init_buffer_blob(); if (should_perform_init()) { if (buffer_blob == NULL) { // When we come here we are in state 'initializing'; entire C1 compilation // can be shut down. set_state(failed); } else { init_c1_runtime(); set_state(initialized); } } } BufferBlob* Compiler::init_buffer_blob() { // Allocate buffer blob once at startup since allocation for each // compilation seems to be too expensive (at least on Intel win32). assert (CompilerThread::current()->get_buffer_blob() == NULL, "Should initialize only once"); // setup CodeBuffer. Preallocate a BufferBlob of size // NMethodSizeLimit plus some extra space for constants. int code_buffer_size = Compilation::desired_max_code_buffer_size() + Compilation::desired_max_constant_size(); BufferBlob* buffer_blob = BufferBlob::create("C1 temporary CodeBuffer", code_buffer_size); if (buffer_blob != NULL) { CompilerThread::current()->set_buffer_blob(buffer_blob); } return buffer_blob; } void Compiler::compile_method(ciEnv* env, ciMethod* method, int entry_bci) { BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob(); assert(buffer_blob != NULL, "Must exist"); // invoke compilation { // We are nested here because we need for the destructor // of Compilation to occur before we release the any // competing compiler thread ResourceMark rm; Compilation c(this, env, method, entry_bci, buffer_blob); } } void Compiler::print_timers() { Compilation::print_timers(); }