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Sweden-Number/dlls/imagehlp/modify.c

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/*
* IMAGEHLP library
*
* Copyright 1998 Patrik Stridvall
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "winternl.h"
#include "winerror.h"
#include "wine/debug.h"
#include "imagehlp.h"
WINE_DEFAULT_DEBUG_CHANNEL(imagehlp);
static WORD CalcCheckSum(DWORD StartValue, LPVOID BaseAddress, DWORD WordCount);
/***********************************************************************
* BindImage (IMAGEHLP.@)
*/
BOOL WINAPI BindImage(
PCSTR ImageName, PCSTR DllPath, PCSTR SymbolPath)
{
return BindImageEx(0, ImageName, DllPath, SymbolPath, NULL);
}
/***********************************************************************
* BindImageEx (IMAGEHLP.@)
*/
BOOL WINAPI BindImageEx(DWORD flags, const char *module, const char *dll_path,
const char *symbol_path, PIMAGEHLP_STATUS_ROUTINE cb)
{
const IMAGE_IMPORT_DESCRIPTOR *import;
LOADED_IMAGE image;
ULONG size;
TRACE("flags %#x, module %s, dll_path %s, symbol_path %s, cb %p.\n",
flags, debugstr_a(module), debugstr_a(dll_path), debugstr_a(symbol_path), cb);
if (!(flags & BIND_NO_UPDATE))
FIXME("Image modification is not implemented.\n");
if (flags & ~BIND_NO_UPDATE)
FIXME("Ignoring flags %#x.\n", flags);
if (!MapAndLoad(module, dll_path, &image, TRUE, TRUE))
return FALSE;
if (!(import = ImageDirectoryEntryToData(image.MappedAddress, FALSE, IMAGE_DIRECTORY_ENTRY_IMPORT, &size)))
{
UnMapAndLoad(&image);
return TRUE; /* no imports */
}
if (image.FileHeader->OptionalHeader.Magic != IMAGE_NT_OPTIONAL_HDR_MAGIC)
{
FIXME("Unhandled architecture %#x.\n", image.FileHeader->OptionalHeader.Magic);
UnMapAndLoad(&image);
return TRUE;
}
for (; import->Name && import->FirstThunk; ++import)
{
char full_path[MAX_PATH];
IMAGE_THUNK_DATA *thunk;
const char *dll_name;
DWORD thunk_rva;
if (!(dll_name = ImageRvaToVa(image.FileHeader, image.MappedAddress, import->Name, 0)))
{
ERR("Failed to get VA for import name RVA %#x.\n", import->Name);
continue;
}
if (cb) cb(BindImportModule, module, dll_name, 0, 0);
if (!SearchPathA(dll_path, dll_name, 0, sizeof(full_path), full_path, 0))
{
ERR("Import %s was not found.\n", debugstr_a(dll_path));
continue;
}
thunk_rva = import->OriginalFirstThunk ? import->OriginalFirstThunk : import->FirstThunk;
if (!(thunk = ImageRvaToVa(image.FileHeader, image.MappedAddress, thunk_rva, 0)))
{
ERR("Failed to get VA for import thunk RVA %#x.\n", thunk_rva);
continue;
}
for (; thunk->u1.Ordinal; ++thunk)
{
if (IMAGE_SNAP_BY_ORDINAL(thunk->u1.Ordinal))
{
/* FIXME: We apparently need to subtract the actual module's
* ordinal base. */
FIXME("Ordinal imports are not implemented.\n");
}
else
{
IMAGE_IMPORT_BY_NAME *name;
if (!(name = ImageRvaToVa(image.FileHeader, image.MappedAddress, thunk->u1.AddressOfData, 0)))
{
ERR("Failed to get VA for name RVA %#x.\n", thunk->u1.AddressOfData);
continue;
}
if (cb) cb(BindImportProcedure, module, full_path, 0, (ULONG_PTR)name->Name);
}
}
}
UnMapAndLoad(&image);
return TRUE;
}
/***********************************************************************
* CheckSum (internal)
*/
static WORD CalcCheckSum(
DWORD StartValue, LPVOID BaseAddress, DWORD WordCount)
{
LPWORD Ptr;
DWORD Sum;
DWORD i;
Sum = StartValue;
Ptr = (LPWORD)BaseAddress;
for (i = 0; i < WordCount; i++)
{
Sum += *Ptr;
if (HIWORD(Sum) != 0)
{
Sum = LOWORD(Sum) + HIWORD(Sum);
}
Ptr++;
}
return (WORD)(LOWORD(Sum) + HIWORD(Sum));
}
/***********************************************************************
* CheckSumMappedFile (IMAGEHLP.@)
*/
PIMAGE_NT_HEADERS WINAPI CheckSumMappedFile(
LPVOID BaseAddress, DWORD FileLength,
LPDWORD HeaderSum, LPDWORD CheckSum)
{
PIMAGE_NT_HEADERS header;
DWORD CalcSum;
DWORD HdrSum;
TRACE("(%p, %d, %p, %p)\n", BaseAddress, FileLength, HeaderSum, CheckSum);
CalcSum = CalcCheckSum(0, BaseAddress, (FileLength + 1) / sizeof(WORD));
header = RtlImageNtHeader(BaseAddress);
if (!header)
return NULL;
*HeaderSum = HdrSum = header->OptionalHeader.CheckSum;
/* Subtract image checksum from calculated checksum. */
/* fix low word of checksum */
if (LOWORD(CalcSum) >= LOWORD(HdrSum))
{
CalcSum -= LOWORD(HdrSum);
}
else
{
CalcSum = ((LOWORD(CalcSum) - LOWORD(HdrSum)) & 0xFFFF) - 1;
}
/* fix high word of checksum */
if (LOWORD(CalcSum) >= HIWORD(HdrSum))
{
CalcSum -= HIWORD(HdrSum);
}
else
{
CalcSum = ((LOWORD(CalcSum) - HIWORD(HdrSum)) & 0xFFFF) - 1;
}
/* add file length */
CalcSum += FileLength;
*CheckSum = CalcSum;
return header;
}
/***********************************************************************
* MapFileAndCheckSumA (IMAGEHLP.@)
*/
DWORD WINAPI MapFileAndCheckSumA(
PCSTR Filename, PDWORD HeaderSum, PDWORD CheckSum)
{
HANDLE hFile;
HANDLE hMapping;
LPVOID BaseAddress;
DWORD FileLength;
TRACE("(%s, %p, %p): stub\n",
debugstr_a(Filename), HeaderSum, CheckSum
);
hFile = CreateFileA(Filename,
GENERIC_READ,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
0);
if (hFile == INVALID_HANDLE_VALUE)
{
return CHECKSUM_OPEN_FAILURE;
}
hMapping = CreateFileMappingW(hFile,
NULL,
PAGE_READONLY,
0,
0,
NULL);
if (hMapping == 0)
{
CloseHandle(hFile);
return CHECKSUM_MAP_FAILURE;
}
BaseAddress = MapViewOfFile(hMapping,
FILE_MAP_READ,
0,
0,
0);
if (BaseAddress == 0)
{
CloseHandle(hMapping);
CloseHandle(hFile);
return CHECKSUM_MAPVIEW_FAILURE;
}
FileLength = GetFileSize(hFile,
NULL);
CheckSumMappedFile(BaseAddress,
FileLength,
HeaderSum,
CheckSum);
UnmapViewOfFile(BaseAddress);
CloseHandle(hMapping);
CloseHandle(hFile);
return 0;
}
/***********************************************************************
* MapFileAndCheckSumW (IMAGEHLP.@)
*/
DWORD WINAPI MapFileAndCheckSumW(
PCWSTR Filename, PDWORD HeaderSum, PDWORD CheckSum)
{
HANDLE hFile;
HANDLE hMapping;
LPVOID BaseAddress;
DWORD FileLength;
TRACE("(%s, %p, %p): stub\n",
debugstr_w(Filename), HeaderSum, CheckSum
);
hFile = CreateFileW(Filename,
GENERIC_READ,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
0);
if (hFile == INVALID_HANDLE_VALUE)
{
return CHECKSUM_OPEN_FAILURE;
}
hMapping = CreateFileMappingW(hFile,
NULL,
PAGE_READONLY,
0,
0,
NULL);
if (hMapping == 0)
{
CloseHandle(hFile);
return CHECKSUM_MAP_FAILURE;
}
BaseAddress = MapViewOfFile(hMapping,
FILE_MAP_READ,
0,
0,
0);
if (BaseAddress == 0)
{
CloseHandle(hMapping);
CloseHandle(hFile);
return CHECKSUM_MAPVIEW_FAILURE;
}
FileLength = GetFileSize(hFile,
NULL);
CheckSumMappedFile(BaseAddress,
FileLength,
HeaderSum,
CheckSum);
UnmapViewOfFile(BaseAddress);
CloseHandle(hMapping);
CloseHandle(hFile);
return 0;
}
/***********************************************************************
* ReBaseImage (IMAGEHLP.@)
*/
BOOL WINAPI ReBaseImage(
PCSTR CurrentImageName, PCSTR SymbolPath, BOOL fReBase,
BOOL fRebaseSysfileOk, BOOL fGoingDown, ULONG CheckImageSize,
ULONG *OldImageSize, ULONG_PTR *OldImageBase, ULONG *NewImageSize,
ULONG_PTR *NewImageBase, ULONG TimeStamp)
{
FIXME(
"(%s, %s, %d, %d, %d, %d, %p, %p, %p, %p, %d): stub\n",
debugstr_a(CurrentImageName),debugstr_a(SymbolPath), fReBase,
fRebaseSysfileOk, fGoingDown, CheckImageSize, OldImageSize,
OldImageBase, NewImageSize, NewImageBase, TimeStamp
);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}
/***********************************************************************
* RemovePrivateCvSymbolic (IMAGEHLP.@)
*/
BOOL WINAPI RemovePrivateCvSymbolic(
PCHAR DebugData, PCHAR *NewDebugData, ULONG *NewDebugSize)
{
FIXME("(%p, %p, %p): stub\n",
DebugData, NewDebugData, NewDebugSize
);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}
/***********************************************************************
* RemoveRelocations (IMAGEHLP.@)
*/
VOID WINAPI RemoveRelocations(PCHAR ImageName)
{
FIXME("(%p): stub\n", ImageName);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
}
/***********************************************************************
* SplitSymbols (IMAGEHLP.@)
*/
BOOL WINAPI SplitSymbols(
PSTR ImageName, PCSTR SymbolsPath,
PSTR SymbolFilePath, ULONG Flags)
{
FIXME("(%s, %s, %s, %d): stub\n",
debugstr_a(ImageName), debugstr_a(SymbolsPath),
debugstr_a(SymbolFilePath), Flags
);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}
/***********************************************************************
* UpdateDebugInfoFile (IMAGEHLP.@)
*/
BOOL WINAPI UpdateDebugInfoFile(
PCSTR ImageFileName, PCSTR SymbolPath,
PSTR DebugFilePath, PIMAGE_NT_HEADERS32 NtHeaders)
{
FIXME("(%s, %s, %s, %p): stub\n",
debugstr_a(ImageFileName), debugstr_a(SymbolPath),
debugstr_a(DebugFilePath), NtHeaders
);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}
/***********************************************************************
* UpdateDebugInfoFileEx (IMAGEHLP.@)
*/
BOOL WINAPI UpdateDebugInfoFileEx(
PCSTR ImageFileName, PCSTR SymbolPath, PSTR DebugFilePath,
PIMAGE_NT_HEADERS32 NtHeaders, DWORD OldChecksum)
{
FIXME("(%s, %s, %s, %p, %d): stub\n",
debugstr_a(ImageFileName), debugstr_a(SymbolPath),
debugstr_a(DebugFilePath), NtHeaders, OldChecksum
);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}
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