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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COURGETTE_DISASSEMBLER_ELF_32_X86_H_
#define COURGETTE_DISASSEMBLER_ELF_32_X86_H_
#include <stddef.h>
#include <stdint.h>
#include <map>
#include "base/macros.h"
#include "courgette/disassembler_elf_32.h"
#include "courgette/types_elf.h"
namespace courgette {
class AssemblyProgram;
class DisassemblerElf32X86 : public DisassemblerElf32 {
public:
class TypedRVAX86 : public TypedRVA {
public:
explicit TypedRVAX86(RVA rva) : TypedRVA(rva) { }
~TypedRVAX86() override { }
// TypedRVA interfaces.
CheckBool ComputeRelativeTarget(const uint8_t* op_pointer) override;
CheckBool EmitInstruction(AssemblyProgram* program,
RVA target_rva) override;
uint16_t op_size() const override;
};
DisassemblerElf32X86(const void* start, size_t length);
~DisassemblerElf32X86() override { }
// DisassemblerElf32 interfaces.
ExecutableType kind() const override { return EXE_ELF_32_X86; }
e_machine_values ElfEM() const override { return EM_386; }
protected:
// DisassemblerElf32 interfaces.
CheckBool RelToRVA(Elf32_Rel rel,
RVA* result) const override WARN_UNUSED_RESULT;
CheckBool ParseRelocationSection(const Elf32_Shdr* section_header,
AssemblyProgram* program)
override WARN_UNUSED_RESULT;
CheckBool ParseRel32RelocsFromSection(const Elf32_Shdr* section)
override WARN_UNUSED_RESULT;
#if COURGETTE_HISTOGRAM_TARGETS
std::map<RVA, int> rel32_target_rvas_;
#endif
DISALLOW_COPY_AND_ASSIGN(DisassemblerElf32X86);
};
} // namespace courgette
#endif // COURGETTE_DISASSEMBLER_ELF_32_X86_H_
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