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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_WIN32_X86_H_
- #define COURGETTE_DISASSEMBLER_WIN32_X86_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 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(const DisassemblerWin32X86&) = delete;
- DisassemblerWin32X86& operator=(const DisassemblerWin32X86&) = delete;
- ~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;
- }
- };
- } // namespace courgette
- #endif // COURGETTE_DISASSEMBLER_WIN32_X86_H_
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