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// Convert DMD CodeView debug information to PDB files
// Copyright (c) 2009 by Rainer Schuetze, All Rights Reserved
//
// License for redistribution is given by the Artistic License 2.0
// see file LICENSE for further details
#ifndef __PEIMAGE_H__
#define __PEIMAGE_H__
#include "LastError.h"
#include <windows.h>
struct OMFDirHeader;
struct OMFDirEntry;
class PEImage : public LastError
{
public:
PEImage(const char* iname = 0);
~PEImage();
template<class P> P* DP(int off)
{
return (P*) ((char*) dump_base + off);
}
template<class P> P* DPV(int off, int size)
{
if(off < 0 || off + size > dump_total_len)
return 0;
return (P*) ((char*) dump_base + off);
}
template<class P> P* DPV(int off)
{
return DPV<P>(off, sizeof(P));
}
template<class P> P* CVP(int off)
{
return DPV<P>(cv_base + off, sizeof(P));
}
template<class P> P* RVA(unsigned long rva, int len)
{
IMAGE_DOS_HEADER *dos = DPV<IMAGE_DOS_HEADER> (0);
IMAGE_NT_HEADERS32* hdr = DPV<IMAGE_NT_HEADERS32> (dos->e_lfanew);
IMAGE_SECTION_HEADER* sec = IMAGE_FIRST_SECTION(hdr);
for (int i = 0; i < hdr->FileHeader.NumberOfSections; i++)
{
if (rva >= sec[i].VirtualAddress &&
rva + len <= sec[i].VirtualAddress + sec[i].SizeOfRawData)
return DPV<P>(sec[i].PointerToRawData + rva - sec[i].VirtualAddress, len);
}
return 0;
}
bool load(const char* iname);
bool save(const char* oname);
bool replaceDebugSection (const void* data, int datalen);
bool initPtr(bool initDbgDir);
int countCVEntries() const;
OMFDirEntry* getCVEntry(int i) const;
// utilities
static void* alloc_aligned(unsigned int size, unsigned int align, unsigned int alignoff = 0);
static void free_aligned(void* p);
private:
int fd;
void* dump_base;
int dump_total_len;
IMAGE_DOS_HEADER *dos;
IMAGE_NT_HEADERS32* hdr;
IMAGE_SECTION_HEADER* sec;
IMAGE_DEBUG_DIRECTORY* dbgDir;
OMFDirHeader* dirHeader;
OMFDirEntry* dirEntry;
int cv_base;
};
#endif //__PEIMAGE_H__
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