12faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes/* 20f3c55331439970e01af67f80ac117c473bc04cfElliott Hughes * Copyright (C) 2012 The Android Open Source Project 32faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * 42faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * Licensed under the Apache License, Version 2.0 (the "License"); 52faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * you may not use this file except in compliance with the License. 62faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * You may obtain a copy of the License at 72faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * 82faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * http://www.apache.org/licenses/LICENSE-2.0 92faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * 102faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * Unless required by applicable law or agreed to in writing, software 112faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * distributed under the License is distributed on an "AS IS" BASIS, 122faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 132faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * See the License for the specific language governing permissions and 142faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * limitations under the License. 152faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes */ 16b033c75ebda80ac75f936366fe78d1edf5cec937Ian Rogers 17166db04e259ca51838c311891598664deeed85adIan Rogers#ifndef ART_RUNTIME_ENTRYPOINTS_QUICK_CALLEE_SAVE_FRAME_H_ 18166db04e259ca51838c311891598664deeed85adIan Rogers#define ART_RUNTIME_ENTRYPOINTS_QUICK_CALLEE_SAVE_FRAME_H_ 19c981ace51da03ca6a9cd100c2c4d6c9bf6100138Jesse Wilson 2076b6167407c2b6f5d40ad895b2793a6b037f54b2Elliott Hughes#include "base/mutex.h" 2141c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov#include "instruction_set.h" 2204d7aa92bc5548bc4d272b9480614f06248194ccIan Rogers#include "thread-inl.h" 23c981ace51da03ca6a9cd100c2c4d6c9bf6100138Jesse Wilson 2441c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov// Specific frame size code is in architecture-specific files. We include this to compile-time 2541c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov// specialize the code. 2641c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov#include "arch/arm/quick_method_frame_info_arm.h" 2741c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov#include "arch/arm64/quick_method_frame_info_arm64.h" 2841c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov#include "arch/mips/quick_method_frame_info_mips.h" 2941c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov#include "arch/x86/quick_method_frame_info_x86.h" 3041c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov#include "arch/x86_64/quick_method_frame_info_x86_64.h" 3141c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov 32b033c75ebda80ac75f936366fe78d1edf5cec937Ian Rogersnamespace art { 332dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersnamespace mirror { 34ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromclass ArtMethod; 352dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers} // namespace mirror 3657b86d47b66322693a070185fadfb43cb9c12eabIan Rogers 3700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers// Place a special frame at the TOS that will save the callee saves for the given type. 38cf4035a4c41ccfcc3e89a0cee25f5218a11b0705Andreas Gampestatic inline void FinishCalleeSaveFrameSetup(Thread* self, StackReference<mirror::ArtMethod>* sp, 39719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers Runtime::CalleeSaveType type) 40b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 4100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // Be aware the store below may well stomp on an incoming argument. 4281d425b0b232962441616f8b14f73620bffef5e5Ian Rogers Locks::mutator_lock_->AssertSharedHeld(self); 43cf4035a4c41ccfcc3e89a0cee25f5218a11b0705Andreas Gampe sp->Assign(Runtime::Current()->GetCalleeSaveMethod(type)); 4457b86d47b66322693a070185fadfb43cb9c12eabIan Rogers self->SetTopOfStack(sp, 0); 4557b86d47b66322693a070185fadfb43cb9c12eabIan Rogers self->VerifyStack(); 46c981ace51da03ca6a9cd100c2c4d6c9bf6100138Jesse Wilson} 47b033c75ebda80ac75f936366fe78d1edf5cec937Ian Rogers 4841c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalovstatic constexpr size_t GetCalleeSaveFrameSize(InstructionSet isa, Runtime::CalleeSaveType type) { 4941c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov // constexpr must be a return statement. 5041c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov return (isa == kArm || isa == kThumb2) ? arm::ArmCalleeSaveFrameSize(type) : 5141c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov isa == kArm64 ? arm64::Arm64CalleeSaveFrameSize(type) : 5241c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov isa == kMips ? mips::MipsCalleeSaveFrameSize(type) : 5341c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov isa == kX86 ? x86::X86CalleeSaveFrameSize(type) : 5441c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov isa == kX86_64 ? x86_64::X86_64CalleeSaveFrameSize(type) : 5541c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov isa == kNone ? (LOG(FATAL) << "kNone has no frame size", 0) : 5641c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov (LOG(FATAL) << "Unknown instruction set" << isa, 0); 5741c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov} 5841c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov 5941c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov// Note: this specialized statement is sanity-checked in the quick-trampoline gtest. 6041c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalovstatic constexpr size_t GetConstExprPointerSize(InstructionSet isa) { 6141c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov // constexpr must be a return statement. 6241c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov return (isa == kArm || isa == kThumb2) ? kArmPointerSize : 6341c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov isa == kArm64 ? kArm64PointerSize : 6441c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov isa == kMips ? kMipsPointerSize : 6541c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov isa == kX86 ? kX86PointerSize : 6641c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov isa == kX86_64 ? kX86_64PointerSize : 6741c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov isa == kNone ? (LOG(FATAL) << "kNone has no pointer size", 0) : 6841c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov (LOG(FATAL) << "Unknown instruction set" << isa, 0); 6941c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov} 7041c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov 7141c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov// Note: this specialized statement is sanity-checked in the quick-trampoline gtest. 7241c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalovstatic constexpr size_t GetCalleeSavePCOffset(InstructionSet isa, Runtime::CalleeSaveType type) { 7341c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov return GetCalleeSaveFrameSize(isa, type) - GetConstExprPointerSize(isa); 7441c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov} 7541c507a9dae44b8329a857da3d9810fab2e9ddc6Alexei Zavjalov 76b033c75ebda80ac75f936366fe78d1edf5cec937Ian Rogers} // namespace art 7757b86d47b66322693a070185fadfb43cb9c12eabIan Rogers 78166db04e259ca51838c311891598664deeed85adIan Rogers#endif // ART_RUNTIME_ENTRYPOINTS_QUICK_CALLEE_SAVE_FRAME_H_ 79