Mercurial > hg > truffle
view src/share/vm/graal/graalCompiler.cpp @ 14781:d2038d372cd2
changed distribution dependency exclusion mechanism to be only for library dependencies
author | Doug Simon <doug.simon@oracle.com> |
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date | Thu, 27 Mar 2014 12:45:11 +0100 |
parents | 3e9a960f0da1 |
children | 56704532e1cd |
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/* * Copyright (c) 2011, 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 "memory/oopFactory.hpp" #include "runtime/javaCalls.hpp" #include "graal/graalCompiler.hpp" #include "graal/graalJavaAccess.hpp" #include "graal/graalVMToCompiler.hpp" #include "graal/graalCompilerToVM.hpp" #include "graal/graalEnv.hpp" #include "graal/graalRuntime.hpp" #include "runtime/arguments.hpp" #include "runtime/compilationPolicy.hpp" GraalCompiler* GraalCompiler::_instance = NULL; GraalCompiler::GraalCompiler() : AbstractCompiler(graal) { _initialized = false; assert(_instance == NULL, "only one instance allowed"); _instance = this; } // Initialization void GraalCompiler::initialize() { ThreadToNativeFromVM trans(JavaThread::current()); JavaThread* THREAD = JavaThread::current(); TRACE_graal_1("GraalCompiler::initialize"); uintptr_t heap_end = (uintptr_t) Universe::heap()->reserved_region().end(); uintptr_t allocation_end = heap_end + ((uintptr_t)16) * 1024 * 1024 * 1024; AMD64_ONLY(guarantee(heap_end < allocation_end, "heap end too close to end of address space (might lead to erroneous TLAB allocations)")); NOT_LP64(error("check TLAB allocation code for address space conflicts")); BufferBlob* buffer_blob = initialize_buffer_blob(); if (buffer_blob == NULL) { // If we are called from JNI_CreateJavaVM we cannot use set_state yet because it takes a lock. // set_state(failed); } else { // set_state(initialized); } JNIEnv *env = ((JavaThread *) Thread::current())->jni_environment(); jclass klass = env->FindClass("com/oracle/graal/hotspot/bridge/CompilerToVMImpl"); if (klass == NULL) { tty->print_cr("graal CompilerToVMImpl class not found"); vm_abort(false); } env->RegisterNatives(klass, CompilerToVM_methods, CompilerToVM_methods_count()); ResourceMark rm; HandleMark hm; { GRAAL_VM_ENTRY_MARK; check_pending_exception("Could not register natives"); } graal_compute_offsets(); // Ensure _non_oop_bits is initialized Universe::non_oop_word(); { GRAAL_VM_ENTRY_MARK; HandleMark hm; VMToCompiler::initOptions(); for (int i = 0; i < Arguments::num_graal_args(); ++i) { const char* arg = Arguments::graal_args_array()[i]; Handle option = java_lang_String::create_from_str(arg, THREAD); jboolean result = VMToCompiler::setOption(option); if (!result) { tty->print_cr("Invalid option for graal: -G:%s", arg); vm_abort(false); } } VMToCompiler::finalizeOptions(CITime || CITimeEach); if (UseCompiler) { _external_deopt_i2c_entry = create_external_deopt_i2c(); bool bootstrap = COMPILERGRAAL_PRESENT(BootstrapGraal) NOT_COMPILERGRAAL(false); VMToCompiler::startCompiler(bootstrap); _initialized = true; CompilationPolicy::completed_vm_startup(); if (bootstrap) { // Avoid -Xcomp and -Xbatch problems by turning on interpreter and background compilation for bootstrapping. FlagSetting a(UseInterpreter, true); FlagSetting b(BackgroundCompilation, true); #ifndef PRODUCT // Turn off CompileTheWorld during bootstrap so that a counter overflow event // triggers further compilation (see NonTieredCompPolicy::event()) hence // allowing a complete bootstrap FlagSetting c(CompileTheWorld, false); #endif VMToCompiler::bootstrap(); } #ifndef PRODUCT if (CompileTheWorld) { // We turn off CompileTheWorld so that Graal can // be compiled by C1/C2 when Graal does a CTW. CompileTheWorld = false; VMToCompiler::compileTheWorld(); } #endif } } } address GraalCompiler::create_external_deopt_i2c() { ResourceMark rm; BufferBlob* buffer = BufferBlob::create("externalDeopt", 1*K); CodeBuffer cb(buffer); short buffer_locs[20]; cb.insts()->initialize_shared_locs((relocInfo*)buffer_locs, sizeof(buffer_locs)/sizeof(relocInfo)); MacroAssembler masm(&cb); int total_args_passed = 5; BasicType* sig_bt = NEW_RESOURCE_ARRAY(BasicType, total_args_passed); VMRegPair* regs = NEW_RESOURCE_ARRAY(VMRegPair, total_args_passed); int i = 0; sig_bt[i++] = T_INT; sig_bt[i++] = T_LONG; sig_bt[i++] = T_VOID; // long stakes 2 slots sig_bt[i++] = T_INT; sig_bt[i++] = T_OBJECT; int comp_args_on_stack = SharedRuntime::java_calling_convention(sig_bt, regs, total_args_passed, false); SharedRuntime::gen_i2c_adapter(&masm, total_args_passed, comp_args_on_stack, sig_bt, regs); masm.flush(); return AdapterBlob::create(&cb)->content_begin(); } BufferBlob* GraalCompiler::initialize_buffer_blob() { JavaThread* THREAD = JavaThread::current(); BufferBlob* buffer_blob = THREAD->get_buffer_blob(); if (buffer_blob == NULL) { buffer_blob = BufferBlob::create("Graal thread-local CodeBuffer", GraalNMethodSizeLimit); if (buffer_blob != NULL) { THREAD->set_buffer_blob(buffer_blob); } } return buffer_blob; } void GraalCompiler::compile_method(methodHandle method, int entry_bci, jboolean blocking) { GRAAL_EXCEPTION_CONTEXT if (!_initialized) { CompilationPolicy::policy()->delay_compilation(method()); return; } assert(_initialized, "must already be initialized"); ResourceMark rm; thread->set_is_graal_compiling(true); VMToCompiler::compileMethod(method(), entry_bci, blocking); thread->set_is_graal_compiling(false); } // Compilation entry point for methods void GraalCompiler::compile_method(ciEnv* env, ciMethod* target, int entry_bci) { ShouldNotReachHere(); } void GraalCompiler::exit() { if (_initialized) { VMToCompiler::shutdownCompiler(); } } // Print compilation timers and statistics void GraalCompiler::print_timers() { TRACE_graal_1("GraalCompiler::print_timers"); } BasicType GraalCompiler::kindToBasicType(jchar ch) { switch(ch) { case 'z': return T_BOOLEAN; case 'b': return T_BYTE; case 's': return T_SHORT; case 'c': return T_CHAR; case 'i': return T_INT; case 'f': return T_FLOAT; case 'j': return T_LONG; case 'd': return T_DOUBLE; case 'a': return T_OBJECT; case 'r': return T_ADDRESS; case '-': return T_ILLEGAL; default: fatal(err_msg("unexpected Kind: %c", ch)); break; } return T_ILLEGAL; }