| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef _LIBUNWINDSTACK_TESTS_REGS_FAKE_H |
| #define _LIBUNWINDSTACK_TESTS_REGS_FAKE_H |
| |
| #include <stdint.h> |
| |
| #include <unwindstack/Memory.h> |
| #include <unwindstack/Regs.h> |
| |
| namespace unwindstack { |
| |
| class RegsFake : public Regs { |
| public: |
| RegsFake(uint16_t total_regs, uint16_t sp_reg) |
| : Regs(total_regs, sp_reg, Regs::Location(Regs::LOCATION_UNKNOWN, 0)) {} |
| virtual ~RegsFake() = default; |
| |
| uint32_t MachineType() override { return fake_type_; } |
| void* RawData() override { return nullptr; } |
| uint64_t pc() override { return fake_pc_; } |
| uint64_t sp() override { return fake_sp_; } |
| bool SetPcFromReturnAddress(Memory*) override { |
| if (!fake_return_address_valid_) { |
| return false; |
| } |
| fake_pc_ = fake_return_address_; |
| return true; |
| } |
| |
| void IterateRegisters(std::function<void(const char*, uint64_t)>) override {} |
| |
| uint64_t GetAdjustedPc(uint64_t rel_pc, Elf*) override { return rel_pc - 2; } |
| |
| bool StepIfSignalHandler(uint64_t, Elf*, Memory*) override { return false; } |
| |
| void SetFromRaw() override {} |
| |
| void FakeSetMachineType(uint32_t type) { fake_type_ = type; } |
| void FakeSetPc(uint64_t pc) { fake_pc_ = pc; } |
| void FakeSetSp(uint64_t sp) { fake_sp_ = sp; } |
| void FakeSetReturnAddress(uint64_t return_address) { fake_return_address_ = return_address; } |
| void FakeSetReturnAddressValid(bool valid) { fake_return_address_valid_ = valid; } |
| |
| private: |
| uint32_t fake_type_ = 0; |
| uint64_t fake_pc_ = 0; |
| uint64_t fake_sp_ = 0; |
| bool fake_return_address_valid_ = false; |
| uint64_t fake_return_address_ = 0; |
| }; |
| |
| template <typename TypeParam> |
| class RegsImplFake : public RegsImpl<TypeParam> { |
| public: |
| RegsImplFake(uint16_t total_regs, uint16_t sp_reg) |
| : RegsImpl<TypeParam>(total_regs, sp_reg, Regs::Location(Regs::LOCATION_UNKNOWN, 0)) {} |
| virtual ~RegsImplFake() = default; |
| |
| uint32_t MachineType() override { return 0; } |
| |
| uint64_t GetAdjustedPc(uint64_t, Elf*) override { return 0; } |
| void SetFromRaw() override {} |
| bool SetPcFromReturnAddress(Memory*) override { return false; } |
| bool StepIfSignalHandler(uint64_t, Elf*, Memory*) override { return false; } |
| |
| void FakeSetPc(uint64_t pc) { this->pc_ = pc; } |
| void FakeSetSp(uint64_t sp) { this->sp_ = sp; } |
| }; |
| |
| } // namespace unwindstack |
| |
| #endif // _LIBUNWINDSTACK_TESTS_REGS_FAKE_H |