Mercurial > hg > truffle
view src/share/vm/shark/sharkRuntime.cpp @ 14459:194e8b7fe9ca
8033168: PPC64: gcc 4.8 warning in output_c.cpp
Summary: fix warnings
Reviewed-by: kvn
author | goetz |
---|---|
date | Thu, 30 Jan 2014 14:30:01 +0100 |
parents | d8ce2825b193 |
children |
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/* * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved. * Copyright 2008, 2009, 2010 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 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 "runtime/biasedLocking.hpp" #include "runtime/deoptimization.hpp" #include "runtime/thread.hpp" #include "shark/llvmHeaders.hpp" #include "shark/sharkRuntime.hpp" #ifdef TARGET_ARCH_zero # include "stack_zero.inline.hpp" #endif using namespace llvm; JRT_ENTRY(int, SharkRuntime::find_exception_handler(JavaThread* thread, int* indexes, int num_indexes)) constantPoolHandle pool(thread, method(thread)->constants()); KlassHandle exc_klass(thread, ((oop) tos_at(thread, 0))->klass()); for (int i = 0; i < num_indexes; i++) { Klass* tmp = pool->klass_at(indexes[i], CHECK_0); KlassHandle chk_klass(thread, tmp); if (exc_klass() == chk_klass()) return i; if (exc_klass()->is_subtype_of(chk_klass())) return i; } return -1; JRT_END JRT_ENTRY(void, SharkRuntime::monitorenter(JavaThread* thread, BasicObjectLock* lock)) if (PrintBiasedLockingStatistics) Atomic::inc(BiasedLocking::slow_path_entry_count_addr()); Handle object(thread, lock->obj()); assert(Universe::heap()->is_in_reserved_or_null(object()), "should be"); if (UseBiasedLocking) { // Retry fast entry if bias is revoked to avoid unnecessary inflation ObjectSynchronizer::fast_enter(object, lock->lock(), true, CHECK); } else { ObjectSynchronizer::slow_enter(object, lock->lock(), CHECK); } assert(Universe::heap()->is_in_reserved_or_null(lock->obj()), "should be"); JRT_END JRT_ENTRY(void, SharkRuntime::monitorexit(JavaThread* thread, BasicObjectLock* lock)) Handle object(thread, lock->obj()); assert(Universe::heap()->is_in_reserved_or_null(object()), "should be"); if (lock == NULL || object()->is_unlocked()) { THROW(vmSymbols::java_lang_IllegalMonitorStateException()); } ObjectSynchronizer::slow_exit(object(), lock->lock(), thread); JRT_END JRT_ENTRY(void, SharkRuntime::new_instance(JavaThread* thread, int index)) Klass* k_oop = method(thread)->constants()->klass_at(index, CHECK); instanceKlassHandle klass(THREAD, k_oop); // Make sure we are not instantiating an abstract klass klass->check_valid_for_instantiation(true, CHECK); // Make sure klass is initialized klass->initialize(CHECK); // At this point the class may not be fully initialized // because of recursive initialization. If it is fully // initialized & has_finalized is not set, we rewrite // it into its fast version (Note: no locking is needed // here since this is an atomic byte write and can be // done more than once). // // Note: In case of classes with has_finalized we don't // rewrite since that saves us an extra check in // the fast version which then would call the // slow version anyway (and do a call back into // Java). // If we have a breakpoint, then we don't rewrite // because the _breakpoint bytecode would be lost. oop obj = klass->allocate_instance(CHECK); thread->set_vm_result(obj); JRT_END JRT_ENTRY(void, SharkRuntime::newarray(JavaThread* thread, BasicType type, int size)) oop obj = oopFactory::new_typeArray(type, size, CHECK); thread->set_vm_result(obj); JRT_END JRT_ENTRY(void, SharkRuntime::anewarray(JavaThread* thread, int index, int size)) Klass* klass = method(thread)->constants()->klass_at(index, CHECK); objArrayOop obj = oopFactory::new_objArray(klass, size, CHECK); thread->set_vm_result(obj); JRT_END JRT_ENTRY(void, SharkRuntime::multianewarray(JavaThread* thread, int index, int ndims, int* dims)) Klass* klass = method(thread)->constants()->klass_at(index, CHECK); oop obj = ArrayKlass::cast(klass)->multi_allocate(ndims, dims, CHECK); thread->set_vm_result(obj); JRT_END JRT_ENTRY(void, SharkRuntime::register_finalizer(JavaThread* thread, oop object)) assert(object->is_oop(), "should be"); assert(object->klass()->has_finalizer(), "should have"); InstanceKlass::register_finalizer(instanceOop(object), CHECK); JRT_END JRT_ENTRY(void, SharkRuntime::throw_ArithmeticException(JavaThread* thread, const char* file, int line)) Exceptions::_throw_msg( thread, file, line, vmSymbols::java_lang_ArithmeticException(), ""); JRT_END JRT_ENTRY(void, SharkRuntime::throw_ArrayIndexOutOfBoundsException( JavaThread* thread, const char* file, int line, int index)) char msg[jintAsStringSize]; snprintf(msg, sizeof(msg), "%d", index); Exceptions::_throw_msg( thread, file, line, vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), msg); JRT_END JRT_ENTRY(void, SharkRuntime::throw_ClassCastException(JavaThread* thread, const char* file, int line)) Exceptions::_throw_msg( thread, file, line, vmSymbols::java_lang_ClassCastException(), ""); JRT_END JRT_ENTRY(void, SharkRuntime::throw_NullPointerException(JavaThread* thread, const char* file, int line)) Exceptions::_throw_msg( thread, file, line, vmSymbols::java_lang_NullPointerException(), ""); JRT_END // Non-VM calls // Nothing in these must ever GC! void SharkRuntime::dump(const char *name, intptr_t value) { oop valueOop = (oop) value; tty->print("%s = ", name); if (valueOop->is_oop(true)) valueOop->print_on(tty); else if (value >= ' ' && value <= '~') tty->print("'%c' (%d)", value, value); else tty->print("%p", value); tty->print_cr(""); } bool SharkRuntime::is_subtype_of(Klass* check_klass, Klass* object_klass) { return object_klass->is_subtype_of(check_klass); } int SharkRuntime::uncommon_trap(JavaThread* thread, int trap_request) { Thread *THREAD = thread; // In C2, uncommon_trap_blob creates a frame, so all the various // deoptimization functions expect to find the frame of the method // being deopted one frame down on the stack. We create a dummy // frame to mirror this. FakeStubFrame *stubframe = FakeStubFrame::build(CHECK_0); thread->push_zero_frame(stubframe); // Initiate the trap thread->set_last_Java_frame(); Deoptimization::UnrollBlock *urb = Deoptimization::uncommon_trap(thread, trap_request); thread->reset_last_Java_frame(); // Pop our dummy frame and the frame being deoptimized thread->pop_zero_frame(); thread->pop_zero_frame(); // Push skeleton frames int number_of_frames = urb->number_of_frames(); for (int i = 0; i < number_of_frames; i++) { intptr_t size = urb->frame_sizes()[i]; InterpreterFrame *frame = InterpreterFrame::build(size, CHECK_0); thread->push_zero_frame(frame); } // Push another dummy frame stubframe = FakeStubFrame::build(CHECK_0); thread->push_zero_frame(stubframe); // Fill in the skeleton frames thread->set_last_Java_frame(); Deoptimization::unpack_frames(thread, Deoptimization::Unpack_uncommon_trap); thread->reset_last_Java_frame(); // Pop our dummy frame thread->pop_zero_frame(); // Fall back into the interpreter return number_of_frames; } FakeStubFrame* FakeStubFrame::build(TRAPS) { ZeroStack *stack = ((JavaThread *) THREAD)->zero_stack(); stack->overflow_check(header_words, CHECK_NULL); stack->push(0); // next_frame, filled in later intptr_t *fp = stack->sp(); assert(fp - stack->sp() == next_frame_off, "should be"); stack->push(FAKE_STUB_FRAME); assert(fp - stack->sp() == frame_type_off, "should be"); return (FakeStubFrame *) fp; }