Mercurial > hg > release > icedtea6-1.4.1
view ports/hotspot/src/share/vm/shark/sharkCompiler.cpp @ 1295:a139f3afcef3
2008-12-24 Andrew Haley <aph@redhat.com>
* ports/hotspot/src/share/vm/shark/sharkFunction.cpp
(SharkFunction::initialize): Work around bug in
ciTypeFlow::Block::pre_order_at().
* ports/hotspot/src/share/vm/shark/sharkCompiler.cpp
(SharkCompiler::compile_method): Allow "*" as a wildcard.
* ports/hotspot/src/share/vm/shark/sharkBuilder.hpp (llvm::IRBuilder):
type2aelembytes now a mamber function.
* ports/hotspot/src/share/vm/shark/sharkBlock.hpp (class
SharkBlock): is_private_copy renamed is_backedge_copy.
* ports/hotspot/src/share/vm/shark/sharkBlock.cpp (SharkBlock::parse):
force_bci if there's a trap.
* ports/hotspot/src/cpu/zero/vm/disassembler_zero.cpp: Delete
everything.
author | Andrew Haley <aph@redhat.com> |
---|---|
date | Wed, 24 Dec 2008 13:33:17 +0000 |
parents | 28523a4d7bd6 |
children |
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/* * Copyright 1999-2007 Sun Microsystems, Inc. All Rights Reserved. * Copyright 2008 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" using namespace llvm; SharkCompiler::SharkCompiler() : AbstractCompiler(), _builder() { 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(builder(), 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); } 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; }