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// Copyright 2011 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_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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