1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef COURGETTE_DISASSEMBLER_WIN32_X64_H_
6 #define COURGETTE_DISASSEMBLER_WIN32_X64_H_
11 #include "base/macros.h"
12 #include "courgette/disassembler_win32.h"
13 #include "courgette/image_utils.h"
14 #include "courgette/types_win_pe.h"
18 class InstructionReceptor;
20 class DisassemblerWin32X64 : public DisassemblerWin32 {
22 // Returns true if a valid executable is detected using only quick checks.
23 static bool QuickDetect(const uint8_t* start, size_t length) {
24 return DisassemblerWin32::QuickDetect(start, length,
25 kImageNtOptionalHdr64Magic);
28 DisassemblerWin32X64(const uint8_t* start, size_t length);
29 ~DisassemblerWin32X64() override = default;
31 // Disassembler interfaces.
32 RVA PointerToTargetRVA(const uint8_t* p) const override;
33 ExecutableType kind() const override { return EXE_WIN_32_X64; }
35 // (4) -> (5) (see AddressTranslator comment): Returns the RVA of the VA
36 // specified by |address|, or kNoRVA if |address| lies outside of the image.
37 RVA Address64ToRVA(uint64_t address) const;
40 // DisassemblerWin32 interfaces.
41 void ParseRel32RelocsFromSection(const Section* section) override;
42 int AbsVAWidth() const override { return 8; }
43 CheckBool EmitAbs(Label* label, InstructionReceptor* receptor) const override;
44 bool SupportsRelTableType(int type) const override {
45 return type == 10; // IMAGE_REL_BASED_DIR64
47 uint16_t RelativeOffsetOfDataDirectories() const override {
48 return kOffsetOfDataDirectoryFromImageOptionalHeader64;
52 DISALLOW_COPY_AND_ASSIGN(DisassemblerWin32X64);
55 } // namespace courgette
57 #endif // COURGETTE_DISASSEMBLER_WIN32_X64_H_