Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 1 | /* |
Elliott Hughes | 0f3c553 | 2012-03-30 14:51:51 -0700 | [diff] [blame] | 2 | * Copyright (C) 2012 The Android Open Source Project |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Ian Rogers | 166db04 | 2013-07-26 12:05:57 -0700 | [diff] [blame] | 17 | #ifndef ART_RUNTIME_ENTRYPOINTS_QUICK_CALLEE_SAVE_FRAME_H_ |
| 18 | #define ART_RUNTIME_ENTRYPOINTS_QUICK_CALLEE_SAVE_FRAME_H_ |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 19 | |
Ian Rogers | d582fa4 | 2014-11-05 23:46:43 -0800 | [diff] [blame] | 20 | #include "arch/instruction_set.h" |
Elliott Hughes | 76b6167 | 2012-12-12 17:47:30 -0800 | [diff] [blame] | 21 | #include "base/mutex.h" |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 22 | #include "runtime.h" |
Ian Rogers | 04d7aa9 | 2013-03-16 14:29:17 -0700 | [diff] [blame] | 23 | #include "thread-inl.h" |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 24 | |
Alexei Zavjalov | 41c507a | 2014-05-15 16:02:46 +0700 | [diff] [blame] | 25 | // Specific frame size code is in architecture-specific files. We include this to compile-time |
| 26 | // specialize the code. |
| 27 | #include "arch/arm/quick_method_frame_info_arm.h" |
| 28 | #include "arch/arm64/quick_method_frame_info_arm64.h" |
| 29 | #include "arch/mips/quick_method_frame_info_mips.h" |
Andreas Gampe | 57b3429 | 2015-01-14 15:45:59 -0800 | [diff] [blame] | 30 | #include "arch/mips64/quick_method_frame_info_mips64.h" |
Alexei Zavjalov | 41c507a | 2014-05-15 16:02:46 +0700 | [diff] [blame] | 31 | #include "arch/x86/quick_method_frame_info_x86.h" |
| 32 | #include "arch/x86_64/quick_method_frame_info_x86_64.h" |
| 33 | |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 34 | namespace art { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 35 | namespace mirror { |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 36 | class ArtMethod; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 37 | } // namespace mirror |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 38 | |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 39 | class ScopedQuickEntrypointChecks { |
| 40 | public: |
Andreas Gampe | 3b45ef2 | 2015-05-26 21:34:09 -0700 | [diff] [blame^] | 41 | explicit ScopedQuickEntrypointChecks(Thread *self, |
| 42 | bool entry_check = kIsDebugBuild, |
| 43 | bool exit_check = kIsDebugBuild) |
| 44 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) : self_(self), exit_check_(exit_check) { |
| 45 | if (entry_check) { |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 46 | TestsOnEntry(); |
| 47 | } |
| 48 | } |
| 49 | |
Andreas Gampe | 3b45ef2 | 2015-05-26 21:34:09 -0700 | [diff] [blame^] | 50 | ScopedQuickEntrypointChecks() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) |
| 51 | : self_(kIsDebugBuild ? Thread::Current() : nullptr), exit_check_(kIsDebugBuild) { |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 52 | if (kIsDebugBuild) { |
| 53 | TestsOnEntry(); |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | ~ScopedQuickEntrypointChecks() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Andreas Gampe | 3b45ef2 | 2015-05-26 21:34:09 -0700 | [diff] [blame^] | 58 | if (exit_check_) { |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 59 | TestsOnExit(); |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | private: |
| 64 | void TestsOnEntry() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 65 | Locks::mutator_lock_->AssertSharedHeld(self_); |
| 66 | self_->VerifyStack(); |
| 67 | } |
| 68 | |
| 69 | void TestsOnExit() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 70 | Locks::mutator_lock_->AssertSharedHeld(self_); |
| 71 | self_->VerifyStack(); |
| 72 | } |
| 73 | |
| 74 | Thread* const self_; |
Andreas Gampe | 3b45ef2 | 2015-05-26 21:34:09 -0700 | [diff] [blame^] | 75 | bool exit_check_; |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 76 | }; |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 77 | |
Alexei Zavjalov | 41c507a | 2014-05-15 16:02:46 +0700 | [diff] [blame] | 78 | static constexpr size_t GetCalleeSaveFrameSize(InstructionSet isa, Runtime::CalleeSaveType type) { |
| 79 | // constexpr must be a return statement. |
| 80 | return (isa == kArm || isa == kThumb2) ? arm::ArmCalleeSaveFrameSize(type) : |
| 81 | isa == kArm64 ? arm64::Arm64CalleeSaveFrameSize(type) : |
| 82 | isa == kMips ? mips::MipsCalleeSaveFrameSize(type) : |
Andreas Gampe | 57b3429 | 2015-01-14 15:45:59 -0800 | [diff] [blame] | 83 | isa == kMips64 ? mips64::Mips64CalleeSaveFrameSize(type) : |
Alexei Zavjalov | 41c507a | 2014-05-15 16:02:46 +0700 | [diff] [blame] | 84 | isa == kX86 ? x86::X86CalleeSaveFrameSize(type) : |
| 85 | isa == kX86_64 ? x86_64::X86_64CalleeSaveFrameSize(type) : |
| 86 | isa == kNone ? (LOG(FATAL) << "kNone has no frame size", 0) : |
| 87 | (LOG(FATAL) << "Unknown instruction set" << isa, 0); |
| 88 | } |
| 89 | |
| 90 | // Note: this specialized statement is sanity-checked in the quick-trampoline gtest. |
| 91 | static constexpr size_t GetConstExprPointerSize(InstructionSet isa) { |
| 92 | // constexpr must be a return statement. |
| 93 | return (isa == kArm || isa == kThumb2) ? kArmPointerSize : |
| 94 | isa == kArm64 ? kArm64PointerSize : |
| 95 | isa == kMips ? kMipsPointerSize : |
Andreas Gampe | 57b3429 | 2015-01-14 15:45:59 -0800 | [diff] [blame] | 96 | isa == kMips64 ? kMips64PointerSize : |
Alexei Zavjalov | 41c507a | 2014-05-15 16:02:46 +0700 | [diff] [blame] | 97 | isa == kX86 ? kX86PointerSize : |
| 98 | isa == kX86_64 ? kX86_64PointerSize : |
| 99 | isa == kNone ? (LOG(FATAL) << "kNone has no pointer size", 0) : |
| 100 | (LOG(FATAL) << "Unknown instruction set" << isa, 0); |
| 101 | } |
| 102 | |
| 103 | // Note: this specialized statement is sanity-checked in the quick-trampoline gtest. |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 104 | static constexpr size_t GetCalleeSaveReturnPcOffset(InstructionSet isa, |
| 105 | Runtime::CalleeSaveType type) { |
Alexei Zavjalov | 41c507a | 2014-05-15 16:02:46 +0700 | [diff] [blame] | 106 | return GetCalleeSaveFrameSize(isa, type) - GetConstExprPointerSize(isa); |
| 107 | } |
| 108 | |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 109 | } // namespace art |
| 110 | |
Ian Rogers | 166db04 | 2013-07-26 12:05:57 -0700 | [diff] [blame] | 111 | #endif // ART_RUNTIME_ENTRYPOINTS_QUICK_CALLEE_SAVE_FRAME_H_ |