3958f8060a
This cl includes the code to read arm unwind information from a shared library. Bug: 23762183 Test: Passes all unit tests. I can dump the arm unwind information Test: for an arm shared library. Change-Id: I43501ea2eab843b81de8bd5128401dd1971af8d3
78 lines
1.8 KiB
C++
78 lines
1.8 KiB
C++
/*
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* Copyright (C) 2016 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 _LIBUNWINDSTACK_ELF_H
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#define _LIBUNWINDSTACK_ELF_H
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#include <stddef.h>
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#include <memory>
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#include <string>
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#include "ElfInterface.h"
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#include "Memory.h"
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#if !defined(EM_AARCH64)
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#define EM_AARCH64 183
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#endif
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// Forward declaration.
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class Regs;
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class Elf {
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public:
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Elf(Memory* memory) : memory_(memory) {}
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virtual ~Elf() = default;
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bool Init();
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void InitGnuDebugdata();
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bool GetSoname(std::string* name) {
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return valid_ && interface_->GetSoname(name);
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}
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bool GetFunctionName(uint64_t, std::string*, uint64_t*) {
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return false;
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}
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bool Step(uint64_t rel_pc, Regs* regs, Memory* process_memory) {
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return valid_ && interface_->Step(rel_pc, regs, process_memory);
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}
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ElfInterface* CreateInterfaceFromMemory(Memory* memory);
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bool valid() { return valid_; }
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uint32_t machine_type() { return machine_type_; }
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uint8_t class_type() { return class_type_; }
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Memory* memory() { return memory_.get(); }
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ElfInterface* interface() { return interface_.get(); }
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static bool IsValidElf(Memory* memory);
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protected:
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bool valid_ = false;
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std::unique_ptr<ElfInterface> interface_;
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std::unique_ptr<Memory> memory_;
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uint32_t machine_type_;
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uint8_t class_type_;
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};
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#endif // _LIBUNWINDSTACK_ELF_H
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