| // Copyright 2013 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef COURGETTE_DISASSEMBLER_WIN32_X64_H_ |
| #define COURGETTE_DISASSEMBLER_WIN32_X64_H_ |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #include "courgette/disassembler_win32.h" |
| #include "courgette/image_utils.h" |
| #include "courgette/types_win_pe.h" |
| |
| namespace courgette { |
| |
| class InstructionReceptor; |
| |
| class DisassemblerWin32X64 : 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, |
| kImageNtOptionalHdr64Magic); |
| } |
| |
| DisassemblerWin32X64(const uint8_t* start, size_t length); |
| |
| DisassemblerWin32X64(const DisassemblerWin32X64&) = delete; |
| DisassemblerWin32X64& operator=(const DisassemblerWin32X64&) = delete; |
| |
| ~DisassemblerWin32X64() override = default; |
| |
| // Disassembler interfaces. |
| RVA PointerToTargetRVA(const uint8_t* p) const override; |
| ExecutableType kind() const override { return EXE_WIN_32_X64; } |
| |
| // (4) -> (5) (see AddressTranslator comment): Returns the RVA of the VA |
| // specified by |address|, or kNoRVA if |address| lies outside of the image. |
| RVA Address64ToRVA(uint64_t address) const; |
| |
| protected: |
| // DisassemblerWin32 interfaces. |
| void ParseRel32RelocsFromSection(const Section* section) override; |
| int AbsVAWidth() const override { return 8; } |
| CheckBool EmitAbs(Label* label, InstructionReceptor* receptor) const override; |
| bool SupportsRelTableType(int type) const override { |
| return type == 10; // IMAGE_REL_BASED_DIR64 |
| } |
| uint16_t RelativeOffsetOfDataDirectories() const override { |
| return kOffsetOfDataDirectoryFromImageOptionalHeader64; |
| } |
| }; |
| |
| } // namespace courgette |
| |
| #endif // COURGETTE_DISASSEMBLER_WIN32_X64_H_ |