Mercurial > hg > release > icedtea6-1.5
view ports/hotspot/src/share/vm/shark/sharkCompiler.cpp @ 1557:dc8a866b7219
2009-05-21 Gary Benson <gbenson@redhat.com>
* ports/hotspot/src/share/vm/shark/sharkCompiler.cpp:
Fix for x86 debug builds.
author | Gary Benson <gbenson@redhat.com> |
---|---|
date | Thu, 21 May 2009 15:35:17 +0100 |
parents | be7c5293ac85 |
children |
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/* * Copyright 1999-2007 Sun Microsystems, Inc. All Rights Reserved. * Copyright 2008, 2009 Red Hat, Inc. * 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ #include "incls/_precompiled.incl" #include "incls/_sharkCompiler.cpp.incl" #include <fnmatch.h> using namespace llvm; SharkCompiler::SharkCompiler() : AbstractCompiler() { // Create a module to build our functions into _module = new Module("shark"); // Create the builder to build our functions _builder = new SharkBuilder(this); // Create the JIT ModuleProvider *module_provider = new ExistingModuleProvider(module()); _memory_manager = new SharkMemoryManager(); _execution_engine = ExecutionEngine::createJIT( #if SHARK_LLVM_VERSION >= 26 /* * LLVM 26 introduced a more fine-grained control to set the optimization * level when creating the LLVM JIT. * The optimization level are now specified with a enum instead of a bool. * CodeGenOpt::None = bool true; a fast JIT with reduced optimization. * CodeGenOpt::Default = bool false; a non-fast JIT with optimization. * CodeGenOpt::Aggressive = a new non-fast JIT with best optimization. */ module_provider, NULL, memory_manager(), CodeGenOpt::Default); #else module_provider, NULL, memory_manager(), false); #endif // Initialize Shark components that need it SharkType::initialize(); SharkRuntime::initialize(builder()); mark_initialized(); } void SharkCompiler::initialize() { ShouldNotCallThis(); } void SharkCompiler::compile_method(ciEnv* env, ciMethod* target, int entry_bci) { assert(is_initialized(), "should be"); assert(entry_bci == InvocationEntryBci, "OSR is not supported"); ResourceMark rm; const char *name = methodname(target); #ifndef PRODUCT // Skip methods if requested static uintx methods_seen = 0; methods_seen++; if (methods_seen < SharkStartAt) { env->record_method_not_compilable("methods_seen < SharkStartAt"); return; } else if (methods_seen > SharkStopAfter) { while (true) sleep(1); } #endif // !PRODUCT if (SharkOnlyCompile != NULL) { if (strcmp(SharkOnlyCompile, name)) { env->record_method_not_compilable("does not match SharkOnlyCompile"); return; } } // Do the typeflow analysis ciTypeFlow *flow = target->get_flow_analysis(); if (env->failing()) return; if (SharkPrintTypeflowOf != NULL) { if (!strcmp(SharkPrintTypeflowOf, name) || !strcmp(SharkPrintTypeflowOf, "*")) flow->print_on(tty); } // Create the recorders Arena arena; env->set_oop_recorder(new OopRecorder(&arena)); OopMapSet oopmaps; env->set_debug_info(new DebugInformationRecorder(env->oop_recorder())); env->debug_info()->set_oopmaps(&oopmaps); env->set_dependencies(new Dependencies(env)); // Create the CodeBuffer and MacroAssembler BufferBlob *bb = BufferBlob::create("shark_temp", 256 * K); CodeBuffer cb(bb->instructions_begin(), bb->instructions_size()); cb.initialize_oop_recorder(env->oop_recorder()); MacroAssembler *masm = new MacroAssembler(&cb); // Compile the method into the CodeBuffer ciBytecodeStream iter(target); SharkFunction function(this, name, flow, &iter, masm); // Install the method into the VM CodeOffsets offsets; offsets.set_value(CodeOffsets::Deopt, 0); offsets.set_value(CodeOffsets::Exceptions, 0); offsets.set_value(CodeOffsets::Verified_Entry, target->is_static() ? 0 : wordSize); ExceptionHandlerTable handler_table; ImplicitExceptionTable inc_table; env->register_method(target, entry_bci, &offsets, 0, &cb, 0, &oopmaps, &handler_table, &inc_table, this, env->comp_level(), false, false); // Free the BufferBlob BufferBlob::free(bb); } ZeroEntry::method_entry_t SharkCompiler::compile(const char* name, Function* function) { // Dump the generated code, if requested #ifndef PRODUCT #ifdef X86 if (SharkPrintAsmOf != NULL) { std::vector<const char*> args; args.push_back(""); // program name if (!fnmatch(SharkPrintAsmOf, name, 0)) args.push_back("-debug-only=x86-emitter"); else args.push_back("-debug-only=none"); args.push_back(0); // terminator cl::ParseCommandLineOptions(args.size() - 1, (char **) &args[0]); } #endif // X86 #endif // !PRODUCT // Compile to native code return (ZeroEntry::method_entry_t) execution_engine()->getPointerToFunction(function); } const char* SharkCompiler::methodname(const ciMethod* target) { const char *klassname = target->holder()->name()->as_utf8(); const char *methodname = target->name()->as_utf8(); char *buf = NEW_RESOURCE_ARRAY( char, strlen(klassname) + 2 + strlen(methodname) + 1); char *dst = buf; for (const char *c = klassname; *c; c++) { if (*c == '/') *(dst++) = '.'; else *(dst++) = *c; } *(dst++) = ':'; *(dst++) = ':'; for (const char *c = methodname; *c; c++) { *(dst++) = *c; } *(dst++) = '\0'; return buf; }