374 lines
8.9 KiB
C
374 lines
8.9 KiB
C
/*
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* IMAGEHLP library
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*
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* Copyright 1998 Patrik Stridvall
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winternl.h"
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#include "winerror.h"
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#include "wine/debug.h"
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#include "imagehlp.h"
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WINE_DEFAULT_DEBUG_CHANNEL(imagehlp);
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static WORD CalcCheckSum(DWORD StartValue, LPVOID BaseAddress, DWORD WordCount);
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/***********************************************************************
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* BindImage (IMAGEHLP.@)
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*/
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BOOL WINAPI BindImage(
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PCSTR ImageName, PCSTR DllPath, PCSTR SymbolPath)
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{
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return BindImageEx(0, ImageName, DllPath, SymbolPath, NULL);
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}
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/***********************************************************************
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* BindImageEx (IMAGEHLP.@)
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*/
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BOOL WINAPI BindImageEx(
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DWORD Flags, PCSTR ImageName, PCSTR DllPath, PCSTR SymbolPath,
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PIMAGEHLP_STATUS_ROUTINE StatusRoutine)
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{
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FIXME("(%d, %s, %s, %s, %p): stub\n",
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Flags, debugstr_a(ImageName), debugstr_a(DllPath),
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debugstr_a(SymbolPath), StatusRoutine
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);
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return TRUE;
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}
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/***********************************************************************
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* CheckSum (internal)
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*/
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static WORD CalcCheckSum(
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DWORD StartValue, LPVOID BaseAddress, DWORD WordCount)
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{
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LPWORD Ptr;
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DWORD Sum;
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DWORD i;
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Sum = StartValue;
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Ptr = (LPWORD)BaseAddress;
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for (i = 0; i < WordCount; i++)
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{
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Sum += *Ptr;
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if (HIWORD(Sum) != 0)
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{
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Sum = LOWORD(Sum) + HIWORD(Sum);
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}
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Ptr++;
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}
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return (WORD)(LOWORD(Sum) + HIWORD(Sum));
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}
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/***********************************************************************
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* CheckSumMappedFile (IMAGEHLP.@)
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*/
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PIMAGE_NT_HEADERS WINAPI CheckSumMappedFile(
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LPVOID BaseAddress, DWORD FileLength,
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LPDWORD HeaderSum, LPDWORD CheckSum)
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{
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IMAGE_DOS_HEADER *dos = (IMAGE_DOS_HEADER *) BaseAddress;
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PIMAGE_NT_HEADERS32 Header32;
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PIMAGE_NT_HEADERS64 Header64;
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DWORD *ChecksumFile;
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DWORD CalcSum;
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DWORD HdrSum;
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TRACE("(%p, %d, %p, %p)\n",
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BaseAddress, FileLength, HeaderSum, CheckSum
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);
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CalcSum = (DWORD)CalcCheckSum(0,
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BaseAddress,
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(FileLength + 1) / sizeof(WORD));
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if (dos->e_magic != IMAGE_DOS_SIGNATURE)
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return NULL;
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Header32 = (IMAGE_NT_HEADERS32 *)((char *)dos + dos->e_lfanew);
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if (Header32->Signature != IMAGE_NT_SIGNATURE)
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return NULL;
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if (Header32->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR32_MAGIC)
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ChecksumFile = &Header32->OptionalHeader.CheckSum;
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else if (Header32->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR64_MAGIC)
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{
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Header64 = (IMAGE_NT_HEADERS64 *)Header32;
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ChecksumFile = &Header64->OptionalHeader.CheckSum;
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}
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else
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return NULL;
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HdrSum = *ChecksumFile;
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/* Subtract image checksum from calculated checksum. */
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/* fix low word of checksum */
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if (LOWORD(CalcSum) >= LOWORD(HdrSum))
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{
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CalcSum -= LOWORD(HdrSum);
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}
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else
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{
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CalcSum = ((LOWORD(CalcSum) - LOWORD(HdrSum)) & 0xFFFF) - 1;
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}
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/* fix high word of checksum */
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if (LOWORD(CalcSum) >= HIWORD(HdrSum))
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{
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CalcSum -= HIWORD(HdrSum);
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}
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else
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{
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CalcSum = ((LOWORD(CalcSum) - HIWORD(HdrSum)) & 0xFFFF) - 1;
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}
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/* add file length */
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CalcSum += FileLength;
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*CheckSum = CalcSum;
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*HeaderSum = *ChecksumFile;
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return (PIMAGE_NT_HEADERS) Header32;
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}
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/***********************************************************************
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* MapFileAndCheckSumA (IMAGEHLP.@)
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*/
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DWORD WINAPI MapFileAndCheckSumA(
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PCSTR Filename, PDWORD HeaderSum, PDWORD CheckSum)
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{
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HANDLE hFile;
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HANDLE hMapping;
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LPVOID BaseAddress;
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DWORD FileLength;
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TRACE("(%s, %p, %p): stub\n",
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debugstr_a(Filename), HeaderSum, CheckSum
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);
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hFile = CreateFileA(Filename,
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GENERIC_READ,
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FILE_SHARE_READ | FILE_SHARE_WRITE,
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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0);
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if (hFile == INVALID_HANDLE_VALUE)
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{
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return CHECKSUM_OPEN_FAILURE;
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}
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hMapping = CreateFileMappingW(hFile,
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NULL,
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PAGE_READONLY,
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0,
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0,
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NULL);
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if (hMapping == 0)
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{
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CloseHandle(hFile);
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return CHECKSUM_MAP_FAILURE;
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}
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BaseAddress = MapViewOfFile(hMapping,
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FILE_MAP_READ,
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0,
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0,
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0);
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if (BaseAddress == 0)
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{
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CloseHandle(hMapping);
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CloseHandle(hFile);
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return CHECKSUM_MAPVIEW_FAILURE;
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}
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FileLength = GetFileSize(hFile,
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NULL);
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CheckSumMappedFile(BaseAddress,
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FileLength,
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HeaderSum,
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CheckSum);
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UnmapViewOfFile(BaseAddress);
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CloseHandle(hMapping);
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CloseHandle(hFile);
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return 0;
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}
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/***********************************************************************
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* MapFileAndCheckSumW (IMAGEHLP.@)
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*/
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DWORD WINAPI MapFileAndCheckSumW(
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PCWSTR Filename, PDWORD HeaderSum, PDWORD CheckSum)
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{
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HANDLE hFile;
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HANDLE hMapping;
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LPVOID BaseAddress;
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DWORD FileLength;
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TRACE("(%s, %p, %p): stub\n",
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debugstr_w(Filename), HeaderSum, CheckSum
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);
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hFile = CreateFileW(Filename,
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GENERIC_READ,
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FILE_SHARE_READ | FILE_SHARE_WRITE,
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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0);
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if (hFile == INVALID_HANDLE_VALUE)
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{
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return CHECKSUM_OPEN_FAILURE;
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}
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hMapping = CreateFileMappingW(hFile,
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NULL,
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PAGE_READONLY,
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0,
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0,
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NULL);
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if (hMapping == 0)
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{
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CloseHandle(hFile);
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return CHECKSUM_MAP_FAILURE;
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}
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BaseAddress = MapViewOfFile(hMapping,
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FILE_MAP_READ,
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0,
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0,
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0);
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if (BaseAddress == 0)
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{
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CloseHandle(hMapping);
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CloseHandle(hFile);
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return CHECKSUM_MAPVIEW_FAILURE;
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}
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FileLength = GetFileSize(hFile,
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NULL);
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CheckSumMappedFile(BaseAddress,
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FileLength,
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HeaderSum,
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CheckSum);
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UnmapViewOfFile(BaseAddress);
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CloseHandle(hMapping);
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CloseHandle(hFile);
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return 0;
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}
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/***********************************************************************
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* ReBaseImage (IMAGEHLP.@)
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*/
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BOOL WINAPI ReBaseImage(
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PCSTR CurrentImageName, PCSTR SymbolPath, BOOL fReBase,
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BOOL fRebaseSysfileOk, BOOL fGoingDown, ULONG CheckImageSize,
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ULONG *OldImageSize, ULONG_PTR *OldImageBase, ULONG *NewImageSize,
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ULONG_PTR *NewImageBase, ULONG TimeStamp)
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{
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FIXME(
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"(%s, %s, %d, %d, %d, %d, %p, %p, %p, %p, %d): stub\n",
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debugstr_a(CurrentImageName),debugstr_a(SymbolPath), fReBase,
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fRebaseSysfileOk, fGoingDown, CheckImageSize, OldImageSize,
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OldImageBase, NewImageSize, NewImageBase, TimeStamp
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);
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SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
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return FALSE;
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}
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/***********************************************************************
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* RemovePrivateCvSymbolic (IMAGEHLP.@)
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*/
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BOOL WINAPI RemovePrivateCvSymbolic(
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PCHAR DebugData, PCHAR *NewDebugData, ULONG *NewDebugSize)
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{
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FIXME("(%p, %p, %p): stub\n",
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DebugData, NewDebugData, NewDebugSize
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);
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SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
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return FALSE;
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}
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/***********************************************************************
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* RemoveRelocations (IMAGEHLP.@)
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*/
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VOID WINAPI RemoveRelocations(PCHAR ImageName)
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{
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FIXME("(%p): stub\n", ImageName);
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SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
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}
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/***********************************************************************
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* SplitSymbols (IMAGEHLP.@)
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*/
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BOOL WINAPI SplitSymbols(
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PSTR ImageName, PCSTR SymbolsPath,
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PSTR SymbolFilePath, ULONG Flags)
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{
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FIXME("(%s, %s, %s, %d): stub\n",
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debugstr_a(ImageName), debugstr_a(SymbolsPath),
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debugstr_a(SymbolFilePath), Flags
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);
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SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
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return FALSE;
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}
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/***********************************************************************
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* UpdateDebugInfoFile (IMAGEHLP.@)
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*/
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BOOL WINAPI UpdateDebugInfoFile(
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PCSTR ImageFileName, PCSTR SymbolPath,
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PSTR DebugFilePath, PIMAGE_NT_HEADERS32 NtHeaders)
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{
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FIXME("(%s, %s, %s, %p): stub\n",
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debugstr_a(ImageFileName), debugstr_a(SymbolPath),
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debugstr_a(DebugFilePath), NtHeaders
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);
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SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
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return FALSE;
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}
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/***********************************************************************
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* UpdateDebugInfoFileEx (IMAGEHLP.@)
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*/
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BOOL WINAPI UpdateDebugInfoFileEx(
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PCSTR ImageFileName, PCSTR SymbolPath, PSTR DebugFilePath,
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PIMAGE_NT_HEADERS32 NtHeaders, DWORD OldChecksum)
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{
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FIXME("(%s, %s, %s, %p, %d): stub\n",
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debugstr_a(ImageFileName), debugstr_a(SymbolPath),
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debugstr_a(DebugFilePath), NtHeaders, OldChecksum
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);
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SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
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return FALSE;
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}
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