102 lines
3.8 KiB
C++
102 lines
3.8 KiB
C++
/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ART_RUNTIME_ENTRYPOINTS_QUICK_CALLEE_SAVE_FRAME_H_
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#define ART_RUNTIME_ENTRYPOINTS_QUICK_CALLEE_SAVE_FRAME_H_
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#include "arch/instruction_set.h"
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#include "base/callee_save_type.h"
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#include "base/enums.h"
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#include "base/mutex.h"
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#include "thread-inl.h"
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// Specific frame size code is in architecture-specific files. We include this to compile-time
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// specialize the code.
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#include "arch/arm/quick_method_frame_info_arm.h"
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#include "arch/arm64/quick_method_frame_info_arm64.h"
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#include "arch/mips/quick_method_frame_info_mips.h"
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#include "arch/mips64/quick_method_frame_info_mips64.h"
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#include "arch/x86/quick_method_frame_info_x86.h"
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#include "arch/x86_64/quick_method_frame_info_x86_64.h"
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namespace art {
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class ArtMethod;
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class ScopedQuickEntrypointChecks {
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public:
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explicit ScopedQuickEntrypointChecks(Thread *self,
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bool entry_check = kIsDebugBuild,
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bool exit_check = kIsDebugBuild)
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REQUIRES_SHARED(Locks::mutator_lock_) : self_(self), exit_check_(exit_check) {
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if (entry_check) {
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TestsOnEntry();
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}
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}
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~ScopedQuickEntrypointChecks() REQUIRES_SHARED(Locks::mutator_lock_) {
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if (exit_check_) {
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TestsOnExit();
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}
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}
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private:
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void TestsOnEntry() REQUIRES_SHARED(Locks::mutator_lock_) {
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Locks::mutator_lock_->AssertSharedHeld(self_);
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self_->VerifyStack();
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}
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void TestsOnExit() REQUIRES_SHARED(Locks::mutator_lock_) {
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Locks::mutator_lock_->AssertSharedHeld(self_);
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self_->VerifyStack();
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}
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Thread* const self_;
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bool exit_check_;
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};
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static constexpr size_t GetCalleeSaveFrameSize(InstructionSet isa, CalleeSaveType type) {
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// constexpr must be a return statement.
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return (isa == kArm || isa == kThumb2) ? arm::ArmCalleeSaveFrameSize(type) :
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isa == kArm64 ? arm64::Arm64CalleeSaveFrameSize(type) :
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isa == kMips ? mips::MipsCalleeSaveFrameSize(type) :
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isa == kMips64 ? mips64::Mips64CalleeSaveFrameSize(type) :
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isa == kX86 ? x86::X86CalleeSaveFrameSize(type) :
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isa == kX86_64 ? x86_64::X86_64CalleeSaveFrameSize(type) :
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isa == kNone ? (LOG(FATAL) << "kNone has no frame size", 0) :
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(LOG(FATAL) << "Unknown instruction set" << isa, 0);
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}
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// Note: this specialized statement is sanity-checked in the quick-trampoline gtest.
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static constexpr PointerSize GetConstExprPointerSize(InstructionSet isa) {
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// constexpr must be a return statement.
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return (isa == kArm || isa == kThumb2) ? kArmPointerSize :
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isa == kArm64 ? kArm64PointerSize :
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isa == kMips ? kMipsPointerSize :
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isa == kMips64 ? kMips64PointerSize :
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isa == kX86 ? kX86PointerSize :
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isa == kX86_64 ? kX86_64PointerSize :
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isa == kNone ? (LOG(FATAL) << "kNone has no pointer size", PointerSize::k32) :
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(LOG(FATAL) << "Unknown instruction set" << isa, PointerSize::k32);
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}
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// Note: this specialized statement is sanity-checked in the quick-trampoline gtest.
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static constexpr size_t GetCalleeSaveReturnPcOffset(InstructionSet isa, CalleeSaveType type) {
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return GetCalleeSaveFrameSize(isa, type) - static_cast<size_t>(GetConstExprPointerSize(isa));
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}
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} // namespace art
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#endif // ART_RUNTIME_ENTRYPOINTS_QUICK_CALLEE_SAVE_FRAME_H_
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