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427 lines
11 KiB
C
427 lines
11 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 "winver.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(DWORD flags, const char *module, const char *dll_path,
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const char *symbol_path, PIMAGEHLP_STATUS_ROUTINE cb)
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{
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const IMAGE_IMPORT_DESCRIPTOR *import;
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LOADED_IMAGE image;
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ULONG size;
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TRACE("flags %#lx, module %s, dll_path %s, symbol_path %s, cb %p.\n",
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flags, debugstr_a(module), debugstr_a(dll_path), debugstr_a(symbol_path), cb);
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if (!(flags & BIND_NO_UPDATE))
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FIXME("Image modification is not implemented.\n");
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if (flags & ~BIND_NO_UPDATE)
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FIXME("Ignoring flags %#lx.\n", flags);
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if (!MapAndLoad(module, dll_path, &image, TRUE, TRUE))
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return FALSE;
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if (!(import = ImageDirectoryEntryToData(image.MappedAddress, FALSE, IMAGE_DIRECTORY_ENTRY_IMPORT, &size)))
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{
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UnMapAndLoad(&image);
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return TRUE; /* no imports */
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}
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if (image.FileHeader->OptionalHeader.Magic != IMAGE_NT_OPTIONAL_HDR_MAGIC)
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{
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FIXME("Unhandled architecture %#x.\n", image.FileHeader->OptionalHeader.Magic);
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UnMapAndLoad(&image);
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return TRUE;
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}
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for (; import->Name && import->FirstThunk; ++import)
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{
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char full_path[MAX_PATH];
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IMAGE_THUNK_DATA *thunk;
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const char *dll_name;
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DWORD thunk_rva;
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if (!(dll_name = ImageRvaToVa(image.FileHeader, image.MappedAddress, import->Name, 0)))
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{
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ERR("Failed to get VA for import name RVA %#lx.\n", import->Name);
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continue;
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}
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if (cb) cb(BindImportModule, module, dll_name, 0, 0);
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if (!SearchPathA(dll_path, dll_name, 0, sizeof(full_path), full_path, 0))
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{
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ERR("Import %s was not found.\n", debugstr_a(dll_path));
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continue;
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}
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thunk_rva = import->OriginalFirstThunk ? import->OriginalFirstThunk : import->FirstThunk;
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if (!(thunk = ImageRvaToVa(image.FileHeader, image.MappedAddress, thunk_rva, 0)))
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{
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ERR("Failed to get VA for import thunk RVA %#lx.\n", thunk_rva);
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continue;
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}
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for (; thunk->u1.Ordinal; ++thunk)
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{
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if (IMAGE_SNAP_BY_ORDINAL(thunk->u1.Ordinal))
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{
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/* FIXME: We apparently need to subtract the actual module's
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* ordinal base. */
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FIXME("Ordinal imports are not implemented.\n");
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}
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else
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{
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IMAGE_IMPORT_BY_NAME *name;
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if (!(name = ImageRvaToVa(image.FileHeader, image.MappedAddress, thunk->u1.AddressOfData, 0)))
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{
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ERR("Failed to get VA for name RVA %#Ix.\n", thunk->u1.AddressOfData);
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continue;
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}
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if (cb) cb(BindImportProcedure, module, full_path, 0, (ULONG_PTR)name->Name);
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}
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}
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}
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UnMapAndLoad(&image);
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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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PIMAGE_NT_HEADERS header;
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DWORD CalcSum;
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DWORD HdrSum;
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TRACE("(%p, %ld, %p, %p)\n", BaseAddress, FileLength, HeaderSum, CheckSum);
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CalcSum = CalcCheckSum(0, BaseAddress, (FileLength + 1) / sizeof(WORD));
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header = RtlImageNtHeader(BaseAddress);
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if (!header)
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return NULL;
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*HeaderSum = HdrSum = header->OptionalHeader.CheckSum;
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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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return header;
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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, %ld, %p, %p, %p, %p, %ld): 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, %ld): 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, %ld): 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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