| // 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_WIN32_X86_H_ |
| #define COURGETTE_DISASSEMBLER_WIN32_X86_H_ |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #include "base/macros.h" |
| #include "courgette/disassembler_win32.h" |
| #include "courgette/image_utils.h" |
| #include "courgette/types_win_pe.h" |
| |
| namespace courgette { |
| |
| class InstructionReceptor; |
| |
| class DisassemblerWin32X86 : public DisassemblerWin32 { |
| public: |
| // Returns true if a valid executable is detected using only quick checks. |
| static bool QuickDetect(const uint8_t* start, size_t length) { |
| return DisassemblerWin32::QuickDetect(start, length, |
| kImageNtOptionalHdr32Magic); |
| } |
| |
| DisassemblerWin32X86(const uint8_t* start, size_t length); |
| ~DisassemblerWin32X86() override = default; |
| |
| // Disassembler interfaces. |
| RVA PointerToTargetRVA(const uint8_t* p) const override; |
| ExecutableType kind() const override { return EXE_WIN_32_X86; } |
| |
| // (4) -> (5) (see AddressTranslator comment): Returns the RVA of the VA |
| // specified by |address|, or kNoRVA if |address| lies outside of the image. |
| RVA Address32ToRVA(uint32_t address) const; |
| |
| protected: |
| // DisassemblerWin32 interfaces. |
| void ParseRel32RelocsFromSection(const Section* section) override; |
| int AbsVAWidth() const override { return 4; } |
| CheckBool EmitAbs(Label* label, InstructionReceptor* receptor) const override; |
| bool SupportsRelTableType(int type) const override { |
| return type == 3; // IMAGE_REL_BASED_HIGHLOW |
| } |
| uint16_t RelativeOffsetOfDataDirectories() const override { |
| return kOffsetOfDataDirectoryFromImageOptionalHeader32; |
| } |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(DisassemblerWin32X86); |
| }; |
| |
| } // namespace courgette |
| |
| #endif // COURGETTE_DISASSEMBLER_WIN32_X86_H_ |