diff --git a/src/Base/StackWalker.cpp b/src/Base/StackWalker.cpp index fcc7fa4dc743..b65a6d294341 100644 --- a/src/Base/StackWalker.cpp +++ b/src/Base/StackWalker.cpp @@ -1,1193 +1,1628 @@ -// clang-format off -/********************************************************************** - * - * StackWalker.cpp - * http://stackwalker.codeplex.com/ - * - * - * History: - * 2005-07-27 v1 - First public release on http://www.codeproject.com/ - * http://www.codeproject.com/threads/StackWalker.asp - * 2005-07-28 v2 - Changed the params of the constructor and ShowCallstack - * (to simplify the usage) - * 2005-08-01 v3 - Changed to use 'CONTEXT_FULL' instead of CONTEXT_ALL - * (should also be enough) - * - Changed to compile correctly with the PSDK of VC7.0 - * (GetFileVersionInfoSizeA and GetFileVersionInfoA is wrongly defined: - * it uses LPSTR instead of LPCSTR as first parameter) - * - Added declarations to support VC5/6 without using 'dbghelp.h' - * - Added a 'pUserData' member to the ShowCallstack function and the - * PReadProcessMemoryRoutine declaration (to pass some user-defined data, - * which can be used in the readMemoryFunction-callback) - * 2005-08-02 v4 - OnSymInit now also outputs the OS-Version by default - * - Added example for doing an exception-callstack-walking in main.cpp - * (thanks to owillebo: http://www.codeproject.com/script/profile/whos_who.asp?id=536268) - * 2005-08-05 v5 - Removed most Lint (http://www.gimpel.com/) errors... thanks to Okko Willeboordse! - * 2008-08-04 v6 - Fixed Bug: Missing LEAK-end-tag - * http://www.codeproject.com/KB/applications/leakfinder.aspx?msg=2502890#xx2502890xx - * Fixed Bug: Compiled with "WIN32_LEAN_AND_MEAN" - * http://www.codeproject.com/KB/applications/leakfinder.aspx?msg=1824718#xx1824718xx - * Fixed Bug: Compiling with "/Wall" - * http://www.codeproject.com/KB/threads/StackWalker.aspx?msg=2638243#xx2638243xx - * Fixed Bug: Now checking SymUseSymSrv - * http://www.codeproject.com/KB/threads/StackWalker.aspx?msg=1388979#xx1388979xx - * Fixed Bug: Support for recursive function calls - * http://www.codeproject.com/KB/threads/StackWalker.aspx?msg=1434538#xx1434538xx - * Fixed Bug: Missing FreeLibrary call in "GetModuleListTH32" - * http://www.codeproject.com/KB/threads/StackWalker.aspx?msg=1326923#xx1326923xx - * Fixed Bug: SymDia is number 7, not 9! - * 2008-09-11 v7 For some (undocumented) reason, dbhelp.h is needing a packing of 8! - * Thanks to Teajay which reported the bug... - * http://www.codeproject.com/KB/applications/leakfinder.aspx?msg=2718933#xx2718933xx - * 2008-11-27 v8 Debugging Tools for Windows are now stored in a different directory - * Thanks to Luiz Salamon which reported this "bug"... - * http://www.codeproject.com/KB/threads/StackWalker.aspx?msg=2822736#xx2822736xx - * 2009-04-10 v9 License slihtly corrected ( replaced) - * 2009-11-01 v10 Moved to http://stackwalker.codeplex.com/ - * 2009-11-02 v11 Now try to use IMAGEHLP_MODULE64_V3 if available - * 2010-04-15 v12 Added support for VS2010 RTM - * 2010-05-25 v13 Now using secure MyStrcCpy. Thanks to luke.simon: - * http://www.codeproject.com/KB/applications/leakfinder.aspx?msg=3477467#xx3477467xx - * 2013-01-07 v14 Runtime Check Error VS2010 Debug Builds fixed: - * http://stackwalker.codeplex.com/workitem/10511 - * - * - * LICENSE (http://www.opensource.org/licenses/bsd-license.php) - * - * Copyright (c) 2005-2013, Jochen Kalmbach - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * Neither the name of Jochen Kalmbach nor the names of its contributors may be - * used to endorse or promote products derived from this software without - * specific prior written permission. - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - **********************************************************************/ - -#include - -#include -#include -#include - -#pragma comment(lib, "version.lib") // for "VerQueryValue" -#pragma warning(disable:4826) - -#include "StackWalker.h" - - -// If VC7 and later, then use the shipped 'dbghelp.h'-file -#pragma pack(push,8) - -#include - -#pragma pack(pop) - -// Some missing defines (for VC5/6): -#ifndef INVALID_FILE_ATTRIBUTES -#define INVALID_FILE_ATTRIBUTES ((DWORD)-1) -#endif - - -static void MyStrCpy(char* szDest, size_t nMaxDestSize, const char* szSrc) -{ - if (nMaxDestSize <= 0) - return; - if (strlen(szSrc) < nMaxDestSize) - { - strcpy_s(szDest, nMaxDestSize, szSrc); - } - else - { - strncpy_s(szDest, nMaxDestSize, szSrc, nMaxDestSize); - szDest[nMaxDestSize-1] = 0; - } -} // MyStrCpy - -// Normally it should be enough to use 'CONTEXT_FULL' (better would be 'CONTEXT_ALL') -#define USED_CONTEXT_FLAGS CONTEXT_FULL - - -class StackWalkerInternal -{ -public: - StackWalkerInternal(StackWalker *parent, HANDLE hProcess) - { - m_parent = parent; - m_hDbhHelp = NULL; - pSC = NULL; - m_hProcess = hProcess; - m_szSymPath = NULL; - pSFTA = NULL; - pSGLFA = NULL; - pSGMB = NULL; - pSGMI = NULL; - pSGO = NULL; - pSGSFA = NULL; - pSI = NULL; - pSLM = NULL; - pSSO = NULL; - pSW = NULL; - pUDSN = NULL; - pSGSP = NULL; - } - ~StackWalkerInternal() - { - if (pSC != NULL) - pSC(m_hProcess); // SymCleanup - if (m_hDbhHelp != NULL) - FreeLibrary(m_hDbhHelp); - m_hDbhHelp = NULL; - m_parent = NULL; - if(m_szSymPath != NULL) - free(m_szSymPath); - m_szSymPath = NULL; - } - BOOL Init(LPCSTR szSymPath) - { - if (m_parent == NULL) - return FALSE; - // Dynamically load the Entry-Points for dbghelp.dll: - // First try to load the newsest one from - TCHAR szTemp[4096]; - // But before wqe do this, we first check if the ".local" file exists - if (GetModuleFileName(NULL, szTemp, 4096) > 0) - { - _tcscat_s(szTemp, _T(".local")); - if (GetFileAttributes(szTemp) == INVALID_FILE_ATTRIBUTES) - { - // ".local" file does not exist, so we can try to load the dbghelp.dll from the "Debugging Tools for Windows" - // Ok, first try the new path according to the architecture: -#ifdef _M_IX86 - if ( (m_hDbhHelp == NULL) && (GetEnvironmentVariable(_T("ProgramFiles"), szTemp, 4096) > 0) ) - { - _tcscat_s(szTemp, _T("\\Debugging Tools for Windows (x86)\\dbghelp.dll")); - // now check if the file exists: - if (GetFileAttributes(szTemp) != INVALID_FILE_ATTRIBUTES) - { - m_hDbhHelp = LoadLibrary(szTemp); - } - } -#elif _M_X64 - if ( (m_hDbhHelp == NULL) && (GetEnvironmentVariable(_T("ProgramFiles"), szTemp, 4096) > 0) ) - { - _tcscat_s(szTemp, _T("\\Debugging Tools for Windows (x64)\\dbghelp.dll")); - // now check if the file exists: - if (GetFileAttributes(szTemp) != INVALID_FILE_ATTRIBUTES) - { - m_hDbhHelp = LoadLibrary(szTemp); - } - } -#elif _M_IA64 - if ( (m_hDbhHelp == NULL) && (GetEnvironmentVariable(_T("ProgramFiles"), szTemp, 4096) > 0) ) - { - _tcscat_s(szTemp, _T("\\Debugging Tools for Windows (ia64)\\dbghelp.dll")); - // now check if the file exists: - if (GetFileAttributes(szTemp) != INVALID_FILE_ATTRIBUTES) - { - m_hDbhHelp = LoadLibrary(szTemp); - } - } -#endif - // If still not found, try the old directories... - if ( (m_hDbhHelp == NULL) && (GetEnvironmentVariable(_T("ProgramFiles"), szTemp, 4096) > 0) ) - { - _tcscat_s(szTemp, _T("\\Debugging Tools for Windows\\dbghelp.dll")); - // now check if the file exists: - if (GetFileAttributes(szTemp) != INVALID_FILE_ATTRIBUTES) - { - m_hDbhHelp = LoadLibrary(szTemp); - } - } -#if defined _M_X64 || defined _M_IA64 - // Still not found? Then try to load the (old) 64-Bit version: - if ( (m_hDbhHelp == NULL) && (GetEnvironmentVariable(_T("ProgramFiles"), szTemp, 4096) > 0) ) - { - _tcscat_s(szTemp, _T("\\Debugging Tools for Windows 64-Bit\\dbghelp.dll")); - if (GetFileAttributes(szTemp) != INVALID_FILE_ATTRIBUTES) - { - m_hDbhHelp = LoadLibrary(szTemp); - } - } -#endif - } - } - if (m_hDbhHelp == NULL) // if not already loaded, try to load a default-one - m_hDbhHelp = LoadLibrary( _T("dbghelp.dll") ); - if (m_hDbhHelp == NULL) - return FALSE; - pSI = (tSI) GetProcAddress(m_hDbhHelp, "SymInitialize" ); - pSC = (tSC) GetProcAddress(m_hDbhHelp, "SymCleanup" ); - - pSW = (tSW) GetProcAddress(m_hDbhHelp, "StackWalk64" ); - pSGO = (tSGO) GetProcAddress(m_hDbhHelp, "SymGetOptions" ); - pSSO = (tSSO) GetProcAddress(m_hDbhHelp, "SymSetOptions" ); - - pSFTA = (tSFTA) GetProcAddress(m_hDbhHelp, "SymFunctionTableAccess64" ); - pSGLFA = (tSGLFA) GetProcAddress(m_hDbhHelp, "SymGetLineFromAddr64" ); - pSGMB = (tSGMB) GetProcAddress(m_hDbhHelp, "SymGetModuleBase64" ); - pSGMI = (tSGMI) GetProcAddress(m_hDbhHelp, "SymGetModuleInfo64" ); - pSGSFA = (tSGSFA) GetProcAddress(m_hDbhHelp, "SymGetSymFromAddr64" ); - pUDSN = (tUDSN) GetProcAddress(m_hDbhHelp, "UnDecorateSymbolName" ); - pSLM = (tSLM) GetProcAddress(m_hDbhHelp, "SymLoadModule64" ); - pSGSP =(tSGSP) GetProcAddress(m_hDbhHelp, "SymGetSearchPath" ); - - if ( pSC == NULL || pSFTA == NULL || pSGMB == NULL || pSGMI == NULL || - pSGO == NULL || pSGSFA == NULL || pSI == NULL || pSSO == NULL || - pSW == NULL || pUDSN == NULL || pSLM == NULL ) - { - FreeLibrary(m_hDbhHelp); - m_hDbhHelp = NULL; - pSC = NULL; - return FALSE; - } - - // SymInitialize - if (szSymPath != NULL) - m_szSymPath = _strdup(szSymPath); - if (!this->pSI(m_hProcess, m_szSymPath, FALSE)) - this->m_parent->OnDbgHelpErr("SymInitialize", GetLastError(), 0); - - DWORD symOptions = this->pSGO(); // SymGetOptions - symOptions |= SYMOPT_LOAD_LINES; - symOptions |= SYMOPT_FAIL_CRITICAL_ERRORS; - //symOptions |= SYMOPT_NO_PROMPTS; - // SymSetOptions - symOptions = this->pSSO(symOptions); - - char buf[StackWalker::STACKWALK_MAX_NAMELEN] = {0}; - if (this->pSGSP != NULL) { - if (!this->pSGSP(m_hProcess, buf, !StackWalker::STACKWALK_MAX_NAMELEN)) - this->m_parent->OnDbgHelpErr("SymGetSearchPath", GetLastError(), 0); - } - char szUserName[1024] = {0}; - DWORD dwSize = 1024; - GetUserNameA(szUserName, &dwSize); - this->m_parent->OnSymInit(buf, symOptions, szUserName); - - return TRUE; - } - - StackWalker *m_parent; - - HMODULE m_hDbhHelp; - HANDLE m_hProcess; - LPSTR m_szSymPath; - -#pragma pack(push,8) -typedef struct IMAGEHLP_MODULE64_V3 { - DWORD SizeOfStruct; // set to sizeof(IMAGEHLP_MODULE64) - DWORD64 BaseOfImage; // base load address of module - DWORD ImageSize; // virtual size of the loaded module - DWORD TimeDateStamp; // date/time stamp from pe header - DWORD CheckSum; // checksum from the pe header - DWORD NumSyms; // number of symbols in the symbol table - SYM_TYPE SymType; // type of symbols loaded - CHAR ModuleName[32]; // module name - CHAR ImageName[256]; // image name - CHAR LoadedImageName[256]; // symbol file name - // new elements: 07-Jun-2002 - CHAR LoadedPdbName[256]; // pdb file name - DWORD CVSig; // Signature of the CV record in the debug directories - CHAR CVData[MAX_PATH * 3]; // Contents of the CV record - DWORD PdbSig; // Signature of PDB - GUID PdbSig70; // Signature of PDB (VC 7 and up) - DWORD PdbAge; // DBI age of pdb - BOOL PdbUnmatched; // loaded an unmatched pdb - BOOL DbgUnmatched; // loaded an unmatched dbg - BOOL LineNumbers; // we have line number information - BOOL GlobalSymbols; // we have internal symbol information - BOOL TypeInfo; // we have type information - // new elements: 17-Dec-2003 - BOOL SourceIndexed; // pdb supports source server - BOOL Publics; // contains public symbols -} IMAGEHLP_MODULE64_V3; - -typedef struct IMAGEHLP_MODULE64_V2 { - DWORD SizeOfStruct; // set to sizeof(IMAGEHLP_MODULE64) - DWORD64 BaseOfImage; // base load address of module - DWORD ImageSize; // virtual size of the loaded module - DWORD TimeDateStamp; // date/time stamp from pe header - DWORD CheckSum; // checksum from the pe header - DWORD NumSyms; // number of symbols in the symbol table - SYM_TYPE SymType; // type of symbols loaded - CHAR ModuleName[32]; // module name - CHAR ImageName[256]; // image name - CHAR LoadedImageName[256]; // symbol file name -} IMAGEHLP_MODULE64_V2; -#pragma pack(pop) - - - // SymCleanup() - typedef BOOL (__stdcall *tSC)( IN HANDLE hProcess ); - tSC pSC; - - // SymFunctionTableAccess64() - typedef PVOID (__stdcall *tSFTA)( HANDLE hProcess, DWORD64 AddrBase ); - tSFTA pSFTA; - - // SymGetLineFromAddr64() - typedef BOOL (__stdcall *tSGLFA)( IN HANDLE hProcess, IN DWORD64 dwAddr, - OUT PDWORD pdwDisplacement, OUT PIMAGEHLP_LINE64 Line ); - tSGLFA pSGLFA; - - // SymGetModuleBase64() - typedef DWORD64 (__stdcall *tSGMB)( IN HANDLE hProcess, IN DWORD64 dwAddr ); - tSGMB pSGMB; - - // SymGetModuleInfo64() - typedef BOOL (__stdcall *tSGMI)( IN HANDLE hProcess, IN DWORD64 dwAddr, OUT IMAGEHLP_MODULE64_V3 *ModuleInfo ); - tSGMI pSGMI; - - // SymGetOptions() - typedef DWORD (__stdcall *tSGO)( VOID ); - tSGO pSGO; - - // SymGetSymFromAddr64() - typedef BOOL (__stdcall *tSGSFA)( IN HANDLE hProcess, IN DWORD64 dwAddr, - OUT PDWORD64 pdwDisplacement, OUT PIMAGEHLP_SYMBOL64 Symbol ); - tSGSFA pSGSFA; - - // SymInitialize() - typedef BOOL (__stdcall *tSI)( IN HANDLE hProcess, IN PSTR UserSearchPath, IN BOOL fInvadeProcess ); - tSI pSI; - - // SymLoadModule64() - typedef DWORD64 (__stdcall *tSLM)( IN HANDLE hProcess, IN HANDLE hFile, - IN PSTR ImageName, IN PSTR ModuleName, IN DWORD64 BaseOfDll, IN DWORD SizeOfDll ); - tSLM pSLM; - - // SymSetOptions() - typedef DWORD (__stdcall *tSSO)( IN DWORD SymOptions ); - tSSO pSSO; - - // StackWalk64() - typedef BOOL (__stdcall *tSW)( - DWORD MachineType, - HANDLE hProcess, - HANDLE hThread, - LPSTACKFRAME64 StackFrame, - PVOID ContextRecord, - PREAD_PROCESS_MEMORY_ROUTINE64 ReadMemoryRoutine, - PFUNCTION_TABLE_ACCESS_ROUTINE64 FunctionTableAccessRoutine, - PGET_MODULE_BASE_ROUTINE64 GetModuleBaseRoutine, - PTRANSLATE_ADDRESS_ROUTINE64 TranslateAddress ); - tSW pSW; - - // UnDecorateSymbolName() - typedef DWORD (__stdcall WINAPI *tUDSN)( PCSTR DecoratedName, PSTR UnDecoratedName, - DWORD UndecoratedLength, DWORD Flags ); - tUDSN pUDSN; - - typedef BOOL (__stdcall WINAPI *tSGSP)(HANDLE hProcess, PSTR SearchPath, DWORD SearchPathLength); - tSGSP pSGSP; - - -private: - // **************************************** ToolHelp32 ************************ - #define MAX_MODULE_NAME32 255 - #define TH32CS_SNAPMODULE 0x00000008 - #pragma pack( push, 8 ) - typedef struct tagMODULEENTRY32 - { - DWORD dwSize; - DWORD th32ModuleID; // This module - DWORD th32ProcessID; // owning process - DWORD GlblcntUsage; // Global usage count on the module - DWORD ProccntUsage; // Module usage count in th32ProcessID's context - BYTE * modBaseAddr; // Base address of module in th32ProcessID's context - DWORD modBaseSize; // Size in bytes of module starting at modBaseAddr - HMODULE hModule; // The hModule of this module in th32ProcessID's context - char szModule[MAX_MODULE_NAME32 + 1]; - char szExePath[MAX_PATH]; - } MODULEENTRY32; - typedef MODULEENTRY32 * PMODULEENTRY32; - typedef MODULEENTRY32 * LPMODULEENTRY32; - #pragma pack( pop ) - - BOOL GetModuleListTH32(HANDLE hProcess, DWORD pid) - { - // CreateToolhelp32Snapshot() - typedef HANDLE (__stdcall *tCT32S)(DWORD dwFlags, DWORD th32ProcessID); - // Module32First() - typedef BOOL (__stdcall *tM32F)(HANDLE hSnapshot, LPMODULEENTRY32 lpme); - // Module32Next() - typedef BOOL (__stdcall *tM32N)(HANDLE hSnapshot, LPMODULEENTRY32 lpme); - - // try both dlls... - const TCHAR *dllname[] = { _T("kernel32.dll"), _T("tlhelp32.dll") }; - HINSTANCE hToolhelp = NULL; - tCT32S pCT32S = NULL; - tM32F pM32F = NULL; - tM32N pM32N = NULL; - - HANDLE hSnap; - MODULEENTRY32 me; - me.dwSize = sizeof(me); - BOOL keepGoing; - size_t i; - - for (i = 0; i<(sizeof(dllname) / sizeof(dllname[0])); i++ ) - { - hToolhelp = LoadLibrary( dllname[i] ); - if (hToolhelp == NULL) - continue; - pCT32S = (tCT32S) GetProcAddress(hToolhelp, "CreateToolhelp32Snapshot"); - pM32F = (tM32F) GetProcAddress(hToolhelp, "Module32First"); - pM32N = (tM32N) GetProcAddress(hToolhelp, "Module32Next"); - if ( (pCT32S != NULL) && (pM32F != NULL) && (pM32N != NULL) ) - break; // found the functions! - FreeLibrary(hToolhelp); - hToolhelp = NULL; - } - - if (hToolhelp == NULL) - return FALSE; - - hSnap = pCT32S( TH32CS_SNAPMODULE, pid ); - if (hSnap == (HANDLE) -1) - { - FreeLibrary(hToolhelp); - return FALSE; - } - - keepGoing = !!pM32F( hSnap, &me ); - int cnt = 0; - while (keepGoing) - { - this->LoadModule(hProcess, me.szExePath, me.szModule, (DWORD64) me.modBaseAddr, me.modBaseSize); - cnt++; - keepGoing = !!pM32N( hSnap, &me ); - } - CloseHandle(hSnap); - FreeLibrary(hToolhelp); - if (cnt <= 0) - return FALSE; - return TRUE; - } // GetModuleListTH32 - - // **************************************** PSAPI ************************ - typedef struct _MODULEINFO { - LPVOID lpBaseOfDll; - DWORD SizeOfImage; - LPVOID EntryPoint; - } MODULEINFO, *LPMODULEINFO; - - BOOL GetModuleListPSAPI(HANDLE hProcess) - { - // EnumProcessModules() - typedef BOOL (__stdcall *tEPM)(HANDLE hProcess, HMODULE *lphModule, DWORD cb, LPDWORD lpcbNeeded ); - // GetModuleFileNameEx() - typedef DWORD (__stdcall *tGMFNE)(HANDLE hProcess, HMODULE hModule, LPSTR lpFilename, DWORD nSize ); - // GetModuleBaseName() - typedef DWORD (__stdcall *tGMBN)(HANDLE hProcess, HMODULE hModule, LPSTR lpFilename, DWORD nSize ); - // GetModuleInformation() - typedef BOOL (__stdcall *tGMI)(HANDLE hProcess, HMODULE hModule, LPMODULEINFO pmi, DWORD nSize ); - - HINSTANCE hPsapi; - tEPM pEPM; - tGMFNE pGMFNE; - tGMBN pGMBN; - tGMI pGMI; - - DWORD i; - //ModuleEntry e; - DWORD cbNeeded; - MODULEINFO mi; - HMODULE *hMods = 0; - char *tt = NULL; - char *tt2 = NULL; - const SIZE_T TTBUFLEN = 8096; - int cnt = 0; - - hPsapi = LoadLibrary( _T("psapi.dll") ); - if (hPsapi == NULL) - return FALSE; - - pEPM = (tEPM) GetProcAddress( hPsapi, "EnumProcessModules" ); - pGMFNE = (tGMFNE) GetProcAddress( hPsapi, "GetModuleFileNameExA" ); - pGMBN = (tGMFNE) GetProcAddress( hPsapi, "GetModuleBaseNameA" ); - pGMI = (tGMI) GetProcAddress( hPsapi, "GetModuleInformation" ); - if ( (pEPM == NULL) || (pGMFNE == NULL) || (pGMBN == NULL) || (pGMI == NULL) ) - { - // we couldn't find all functions - FreeLibrary(hPsapi); - return FALSE; - } - - hMods = (HMODULE*) malloc(sizeof(HMODULE) * (TTBUFLEN / sizeof HMODULE)); - tt = (char*) malloc(sizeof(char) * TTBUFLEN); - tt2 = (char*) malloc(sizeof(char) * TTBUFLEN); - if ( (hMods == NULL) || (tt == NULL) || (tt2 == NULL) ) - goto cleanup; - - if ( ! pEPM( hProcess, hMods, TTBUFLEN, &cbNeeded ) ) - { - //_ftprintf(fLogFile, _T("%lu: EPM failed, GetLastError = %lu\n"), g_dwShowCount, gle ); - goto cleanup; - } - - if ( cbNeeded > TTBUFLEN ) - { - //_ftprintf(fLogFile, _T("%lu: More than %lu module handles. Huh?\n"), g_dwShowCount, lenof( hMods ) ); - goto cleanup; - } - - for ( i = 0; i < cbNeeded / sizeof hMods[0]; i++ ) - { - // base address, size - pGMI(hProcess, hMods[i], &mi, sizeof mi ); - // image file name - tt[0] = 0; - pGMFNE(hProcess, hMods[i], tt, TTBUFLEN ); - // module name - tt2[0] = 0; - pGMBN(hProcess, hMods[i], tt2, TTBUFLEN ); - - DWORD dwRes = this->LoadModule(hProcess, tt, tt2, (DWORD64) mi.lpBaseOfDll, mi.SizeOfImage); - if (dwRes != ERROR_SUCCESS) - this->m_parent->OnDbgHelpErr("LoadModule", dwRes, 0); - cnt++; - } - - cleanup: - if (hPsapi != NULL) FreeLibrary(hPsapi); - if (tt2 != NULL) free(tt2); - if (tt != NULL) free(tt); - if (hMods != NULL) free(hMods); - - return cnt != 0; - } // GetModuleListPSAPI - - DWORD LoadModule(HANDLE hProcess, LPCSTR img, LPCSTR mod, DWORD64 baseAddr, DWORD size) - { - CHAR *szImg = _strdup(img); - CHAR *szMod = _strdup(mod); - DWORD result = ERROR_SUCCESS; - if ( (szImg == NULL) || (szMod == NULL) ) - result = ERROR_NOT_ENOUGH_MEMORY; - else - { - if (pSLM(hProcess, 0, szImg, szMod, baseAddr, size) == 0) - result = GetLastError(); - } - ULONGLONG fileVersion = 0; - if ( (m_parent != NULL) && (szImg != NULL) ) - { - // try to retrieve the file-version: - if ( (this->m_parent->m_options & StackWalker::RetrieveFileVersion) != 0) - { - VS_FIXEDFILEINFO *fInfo = NULL; - DWORD dwHandle; - DWORD dwSize = GetFileVersionInfoSizeA(szImg, &dwHandle); - if (dwSize > 0) - { - LPVOID vData = malloc(dwSize); - if (vData != NULL) - { - if (GetFileVersionInfoA(szImg, dwHandle, dwSize, vData) != 0) - { - UINT len; - TCHAR szSubBlock[] = _T("\\"); - if (VerQueryValue(vData, szSubBlock, (LPVOID*) &fInfo, &len) == 0) - fInfo = NULL; - else - { - fileVersion = ((ULONGLONG)fInfo->dwFileVersionLS) + ((ULONGLONG)fInfo->dwFileVersionMS << 32); - } - } - free(vData); - } - } - } - - // retrieve some additional-infos about the module - IMAGEHLP_MODULE64_V3 Module; - const char *szSymType = "-unknown-"; - if (this->GetModuleInfo(hProcess, baseAddr, &Module)) { - switch (Module.SymType) { - case SymNone: szSymType = "-nosymbols-"; - break; - case SymCoff: // 1 - szSymType = "COFF"; - break; - case SymCv: // 2 - szSymType = "CV"; - break; - case SymPdb: // 3 - szSymType = "PDB"; - break; - case SymExport: // 4 - szSymType = "-exported-"; - break; - case SymDeferred: // 5 - szSymType = "-deferred-"; - break; - case SymSym: // 6 - szSymType = "SYM"; - break; - case 7: // SymDia: - szSymType = "DIA"; - break; - case 8: //SymVirtual: - szSymType = "Virtual"; - break; - } - } - LPCSTR pdbName = Module.LoadedImageName; - if (Module.LoadedPdbName[0] != 0) - pdbName = Module.LoadedPdbName; - this->m_parent->OnLoadModule(img, mod, baseAddr, size, result, szSymType, pdbName, fileVersion); - } - if (szImg != NULL) free(szImg); - if (szMod != NULL) free(szMod); - return result; - } -public: - BOOL LoadModules(HANDLE hProcess, DWORD dwProcessId) - { - // first try toolhelp32 - if (GetModuleListTH32(hProcess, dwProcessId)) - return true; - // then try psapi - return GetModuleListPSAPI(hProcess); - } - - - BOOL GetModuleInfo(HANDLE hProcess, DWORD64 baseAddr, IMAGEHLP_MODULE64_V3 *pModuleInfo) - { - memset(pModuleInfo, 0, sizeof(IMAGEHLP_MODULE64_V3)); - if(this->pSGMI == NULL) - { - SetLastError(ERROR_DLL_INIT_FAILED); - return FALSE; - } - // First try to use the larger ModuleInfo-Structure - pModuleInfo->SizeOfStruct = sizeof(IMAGEHLP_MODULE64_V3); - void *pData = malloc(4096); // reserve enough memory, so the bug in v6.3.5.1 does not lead to memory-overwrites... - if (pData == NULL) - { - SetLastError(ERROR_NOT_ENOUGH_MEMORY); - return FALSE; - } - memcpy(pData, pModuleInfo, sizeof(IMAGEHLP_MODULE64_V3)); - static bool s_useV3Version = true; - if (s_useV3Version) { - if (this->pSGMI(hProcess, baseAddr, (IMAGEHLP_MODULE64_V3 *)pData)) { - // only copy as much memory as is reserved... - memcpy(pModuleInfo, pData, sizeof(IMAGEHLP_MODULE64_V3)); - pModuleInfo->SizeOfStruct = sizeof(IMAGEHLP_MODULE64_V3); - free(pData); - return TRUE; - } - s_useV3Version = false; // to prevent unneccessarry calls with the larger struct... - } - - // could not retrieve the bigger structure, try with the smaller one (as defined in VC7.1)... - pModuleInfo->SizeOfStruct = sizeof(IMAGEHLP_MODULE64_V2); - memcpy(pData, pModuleInfo, sizeof(IMAGEHLP_MODULE64_V2)); - if (this->pSGMI(hProcess, baseAddr, (IMAGEHLP_MODULE64_V3 *)pData)) { - // only copy as much memory as is reserved... - memcpy(pModuleInfo, pData, sizeof(IMAGEHLP_MODULE64_V2)); - pModuleInfo->SizeOfStruct = sizeof(IMAGEHLP_MODULE64_V2); - free(pData); - return TRUE; - } - free(pData); - SetLastError(ERROR_DLL_INIT_FAILED); - return FALSE; - } -}; - -// ############################################################# -StackWalker::StackWalker(DWORD dwProcessId, HANDLE hProcess) -{ - this->m_options = OptionsAll; - this->m_modulesLoaded = FALSE; - this->m_hProcess = hProcess; - this->m_sw = new StackWalkerInternal(this, this->m_hProcess); - this->m_dwProcessId = dwProcessId; - this->m_szSymPath = NULL; - this->m_MaxRecursionCount = 1000; -} -StackWalker::StackWalker(int options, LPCSTR szSymPath, DWORD dwProcessId, HANDLE hProcess) -{ - this->m_options = options; - this->m_modulesLoaded = FALSE; - this->m_hProcess = hProcess; - this->m_sw = new StackWalkerInternal(this, this->m_hProcess); - this->m_dwProcessId = dwProcessId; - if (szSymPath != NULL) - { - this->m_szSymPath = _strdup(szSymPath); - this->m_options |= SymBuildPath; - } - else - this->m_szSymPath = NULL; - this->m_MaxRecursionCount = 1000; -} - -StackWalker::~StackWalker() -{ - if (m_szSymPath != NULL) - free(m_szSymPath); - m_szSymPath = NULL; - if (this->m_sw != NULL) - delete this->m_sw; - this->m_sw = NULL; -} - -BOOL StackWalker::LoadModules() -{ - if (this->m_sw == NULL) - { - SetLastError(ERROR_DLL_INIT_FAILED); - return FALSE; - } - if (m_modulesLoaded) - return TRUE; - - // Build the sym-path: - char *szSymPath = NULL; - if ( (this->m_options & SymBuildPath) != 0) - { - const size_t nSymPathLen = 4096; - szSymPath = (char*) malloc(nSymPathLen); - if (szSymPath == NULL) - { - SetLastError(ERROR_NOT_ENOUGH_MEMORY); - return FALSE; - } - szSymPath[0] = 0; - // Now first add the (optional) provided sympath: - if (this->m_szSymPath != NULL) - { - strcat_s(szSymPath, nSymPathLen, this->m_szSymPath); - strcat_s(szSymPath, nSymPathLen, ";"); - } - - strcat_s(szSymPath, nSymPathLen, ".;"); - - const size_t nTempLen = 1024; - char szTemp[nTempLen]; - // Now add the current directory: - if (GetCurrentDirectoryA(nTempLen, szTemp) > 0) - { - szTemp[nTempLen-1] = 0; - strcat_s(szSymPath, nSymPathLen, szTemp); - strcat_s(szSymPath, nSymPathLen, ";"); - } - - // Now add the path for the main-module: - if (GetModuleFileNameA(NULL, szTemp, nTempLen) > 0) - { - szTemp[nTempLen-1] = 0; - for (char *p = (szTemp+strlen(szTemp)-1); p >= szTemp; --p) - { - // locate the rightmost path separator - if ( (*p == '\\') || (*p == '/') || (*p == ':') ) - { - *p = 0; - break; - } - } // for (search for path separator...) - if (strlen(szTemp) > 0) - { - strcat_s(szSymPath, nSymPathLen, szTemp); - strcat_s(szSymPath, nSymPathLen, ";"); - } - } - if (GetEnvironmentVariableA("_NT_SYMBOL_PATH", szTemp, nTempLen) > 0) - { - szTemp[nTempLen-1] = 0; - strcat_s(szSymPath, nSymPathLen, szTemp); - strcat_s(szSymPath, nSymPathLen, ";"); - } - if (GetEnvironmentVariableA("_NT_ALTERNATE_SYMBOL_PATH", szTemp, nTempLen) > 0) - { - szTemp[nTempLen-1] = 0; - strcat_s(szSymPath, nSymPathLen, szTemp); - strcat_s(szSymPath, nSymPathLen, ";"); - } - if (GetEnvironmentVariableA("SYSTEMROOT", szTemp, nTempLen) > 0) - { - szTemp[nTempLen-1] = 0; - strcat_s(szSymPath, nSymPathLen, szTemp); - strcat_s(szSymPath, nSymPathLen, ";"); - // also add the "system32"-directory: - strcat_s(szTemp, nTempLen, "\\system32"); - strcat_s(szSymPath, nSymPathLen, szTemp); - strcat_s(szSymPath, nSymPathLen, ";"); - } - - if ( (this->m_options & SymUseSymSrv) != 0) - { - if (GetEnvironmentVariableA("SYSTEMDRIVE", szTemp, nTempLen) > 0) - { - szTemp[nTempLen-1] = 0; - strcat_s(szSymPath, nSymPathLen, "SRV*"); - strcat_s(szSymPath, nSymPathLen, szTemp); - strcat_s(szSymPath, nSymPathLen, "\\websymbols"); - strcat_s(szSymPath, nSymPathLen, "*http://msdl.microsoft.com/download/symbols;"); - } - else - strcat_s(szSymPath, nSymPathLen, "SRV*c:\\websymbols*http://msdl.microsoft.com/download/symbols;"); - } - } // if SymBuildPath - - // First Init the whole stuff... - BOOL bRet = this->m_sw->Init(szSymPath); - if (szSymPath != NULL) free(szSymPath); szSymPath = NULL; - if (!bRet) { - this->OnDbgHelpErr("Error while initializing dbghelp.dll", 0, 0); - SetLastError(ERROR_DLL_INIT_FAILED); - return FALSE; - } - - bRet = this->m_sw->LoadModules(this->m_hProcess, this->m_dwProcessId); - if (bRet) - m_modulesLoaded = TRUE; - return bRet; -} - - -// The following is used to pass the "userData"-Pointer to the user-provided readMemoryFunction -// This has to be done due to a problem with the "hProcess"-parameter in x64... -// Because this class is in no case multi-threading-enabled (because of the limitations -// of dbghelp.dll) it is "safe" to use a static-variable -static StackWalker::PReadProcessMemoryRoutine s_readMemoryFunction = NULL; -static LPVOID s_readMemoryFunction_UserData = NULL; - -BOOL StackWalker::ShowCallstack(HANDLE hThread, const CONTEXT *context, PReadProcessMemoryRoutine readMemoryFunction, LPVOID pUserData) -{ - CONTEXT c; - CallstackEntry csEntry; - IMAGEHLP_SYMBOL64 *pSym = NULL; - StackWalkerInternal::IMAGEHLP_MODULE64_V3 Module; - IMAGEHLP_LINE64 Line; - int frameNum; - bool bLastEntryCalled = true; - int curRecursionCount = 0; - - if (!m_modulesLoaded) - this->LoadModules(); // ignore the result... - - if (this->m_sw->m_hDbhHelp == NULL) { - SetLastError(ERROR_DLL_INIT_FAILED); - return FALSE; - } - - s_readMemoryFunction = readMemoryFunction; - s_readMemoryFunction_UserData = pUserData; - - if (context == NULL) { - // If no context is provided, capture the context - if (hThread == GetCurrentThread()) { - GET_CURRENT_CONTEXT(c, USED_CONTEXT_FLAGS); - } - else { - SuspendThread(hThread); - memset(&c, 0, sizeof(CONTEXT)); - c.ContextFlags = USED_CONTEXT_FLAGS; - if (!GetThreadContext(hThread, &c)) { - ResumeThread(hThread); - return FALSE; - } - } - } - else - c = *context; - - // init STACKFRAME for first call - STACKFRAME64 s; // in/out stackframe - memset(&s, 0, sizeof(s)); - DWORD imageType; -#ifdef _M_IX86 - // normally, call ImageNtHeader() and use machine info from PE header - imageType = IMAGE_FILE_MACHINE_I386; - s.AddrPC.Offset = c.Eip; - s.AddrPC.Mode = AddrModeFlat; - s.AddrFrame.Offset = c.Ebp; - s.AddrFrame.Mode = AddrModeFlat; - s.AddrStack.Offset = c.Esp; - s.AddrStack.Mode = AddrModeFlat; -#elif _M_X64 - imageType = IMAGE_FILE_MACHINE_AMD64; - s.AddrPC.Offset = c.Rip; - s.AddrPC.Mode = AddrModeFlat; - s.AddrFrame.Offset = c.Rsp; - s.AddrFrame.Mode = AddrModeFlat; - s.AddrStack.Offset = c.Rsp; - s.AddrStack.Mode = AddrModeFlat; -#elif _M_IA64 - imageType = IMAGE_FILE_MACHINE_IA64; - s.AddrPC.Offset = c.StIIP; - s.AddrPC.Mode = AddrModeFlat; - s.AddrFrame.Offset = c.IntSp; - s.AddrFrame.Mode = AddrModeFlat; - s.AddrBStore.Offset = c.RsBSP; - s.AddrBStore.Mode = AddrModeFlat; - s.AddrStack.Offset = c.IntSp; - s.AddrStack.Mode = AddrModeFlat; -#else -#error "Platform not supported!" -#endif - - pSym = (IMAGEHLP_SYMBOL64 *) malloc(sizeof(IMAGEHLP_SYMBOL64) + STACKWALK_MAX_NAMELEN); - if (!pSym) goto cleanup; // not enough memory... - memset(pSym, 0, sizeof(IMAGEHLP_SYMBOL64) + STACKWALK_MAX_NAMELEN); - pSym->SizeOfStruct = sizeof(IMAGEHLP_SYMBOL64); - pSym->MaxNameLength = STACKWALK_MAX_NAMELEN; - - memset(&Line, 0, sizeof(Line)); - Line.SizeOfStruct = sizeof(Line); - - memset(&Module, 0, sizeof(Module)); - Module.SizeOfStruct = sizeof(Module); - - for (frameNum = 0; ; ++frameNum ) - { - // get next stack frame (StackWalk64(), SymFunctionTableAccess64(), SymGetModuleBase64()) - // if this returns ERROR_INVALID_ADDRESS (487) or ERROR_NOACCESS (998), you can - // assume that either you are done, or that the stack is so hosed that the next - // deeper frame could not be found. - // CONTEXT need not to be supplied if imageTyp is IMAGE_FILE_MACHINE_I386! - if ( ! this->m_sw->pSW(imageType, this->m_hProcess, hThread, &s, &c, myReadProcMem, this->m_sw->pSFTA, this->m_sw->pSGMB, NULL) ) - { - // INFO: "StackWalk64" does not set "GetLastError"... - this->OnDbgHelpErr("StackWalk64", 0, s.AddrPC.Offset); - break; - } - - csEntry.offset = s.AddrPC.Offset; - csEntry.name[0] = 0; - csEntry.undName[0] = 0; - csEntry.undFullName[0] = 0; - csEntry.offsetFromSmybol = 0; - csEntry.offsetFromLine = 0; - csEntry.lineFileName[0] = 0; - csEntry.lineNumber = 0; - csEntry.loadedImageName[0] = 0; - csEntry.moduleName[0] = 0; - if (s.AddrPC.Offset == s.AddrReturn.Offset) - { - if ( (this->m_MaxRecursionCount > 0) && (curRecursionCount > m_MaxRecursionCount) ) - { - this->OnDbgHelpErr("StackWalk64-Endless-Callstack!", 0, s.AddrPC.Offset); - break; - } - curRecursionCount++; - } - else - curRecursionCount = 0; - if (s.AddrPC.Offset != 0) - { - // we seem to have a valid PC - // show procedure info (SymGetSymFromAddr64()) - if (this->m_sw->pSGSFA(this->m_hProcess, s.AddrPC.Offset, &(csEntry.offsetFromSmybol), pSym)) - { - MyStrCpy(csEntry.name, STACKWALK_MAX_NAMELEN, pSym->Name); - // UnDecorateSymbolName() - this->m_sw->pUDSN( pSym->Name, csEntry.undName, STACKWALK_MAX_NAMELEN, UNDNAME_NAME_ONLY ); - this->m_sw->pUDSN( pSym->Name, csEntry.undFullName, STACKWALK_MAX_NAMELEN, UNDNAME_COMPLETE ); - } - else - { - this->OnDbgHelpErr("SymGetSymFromAddr64", GetLastError(), s.AddrPC.Offset); - } - - // show line number info, NT5.0-method (SymGetLineFromAddr64()) - if (this->m_sw->pSGLFA != NULL) { // yes, we have SymGetLineFromAddr64() - if (this->m_sw->pSGLFA(this->m_hProcess, s.AddrPC.Offset, &(csEntry.offsetFromLine), - &Line)) { - csEntry.lineNumber = Line.LineNumber; - MyStrCpy(csEntry.lineFileName, STACKWALK_MAX_NAMELEN, Line.FileName); - } - else { - this->OnDbgHelpErr("SymGetLineFromAddr64", GetLastError(), s.AddrPC.Offset); - } - } // yes, we have SymGetLineFromAddr64() - - // show module info (SymGetModuleInfo64()) - if (this->m_sw->GetModuleInfo(this->m_hProcess, s.AddrPC.Offset, &Module)) { - // got module info OK - switch ( Module.SymType ) - { - case SymNone: - csEntry.symTypeString = "-nosymbols-"; - break; - case SymCoff: - csEntry.symTypeString = "COFF"; - break; - case SymCv: - csEntry.symTypeString = "CV"; - break; - case SymPdb: - csEntry.symTypeString = "PDB"; - break; - case SymExport: - csEntry.symTypeString = "-exported-"; - break; - case SymDeferred: - csEntry.symTypeString = "-deferred-"; - break; - case SymSym: - csEntry.symTypeString = "SYM"; - break; -#if API_VERSION_NUMBER >= 9 - case SymDia: - csEntry.symTypeString = "DIA"; - break; -#endif - case 8: //SymVirtual: - csEntry.symTypeString = "Virtual"; - break; - default: - //_snprintf( ty, sizeof ty, "symtype=%ld", (long) Module.SymType ); - csEntry.symTypeString = NULL; - break; - } - - MyStrCpy(csEntry.moduleName, STACKWALK_MAX_NAMELEN, Module.ModuleName); - csEntry.baseOfImage = Module.BaseOfImage; - MyStrCpy(csEntry.loadedImageName, STACKWALK_MAX_NAMELEN, Module.LoadedImageName); - } // got module info OK - else - { - this->OnDbgHelpErr("SymGetModuleInfo64", GetLastError(), s.AddrPC.Offset); - } - } // we seem to have a valid PC - - CallstackEntryType et = nextEntry; - if (frameNum == 0) - et = firstEntry; - bLastEntryCalled = false; - this->OnCallstackEntry(et, csEntry); - - if (s.AddrReturn.Offset == 0) - { - bLastEntryCalled = true; - this->OnCallstackEntry(lastEntry, csEntry); - SetLastError(ERROR_SUCCESS); - break; - } - } // for ( frameNum ) - - cleanup: - if (pSym) free( pSym ); - - if (!bLastEntryCalled) - this->OnCallstackEntry(lastEntry, csEntry); - - if (context == NULL) - ResumeThread(hThread); - - return TRUE; -} - -BOOL __stdcall StackWalker::myReadProcMem( - HANDLE hProcess, - DWORD64 qwBaseAddress, - PVOID lpBuffer, - DWORD nSize, - LPDWORD lpNumberOfBytesRead - ) -{ - if (s_readMemoryFunction == NULL) - { - SIZE_T st; - BOOL bRet = ReadProcessMemory(hProcess, (LPVOID) qwBaseAddress, lpBuffer, nSize, &st); - *lpNumberOfBytesRead = (DWORD) st; - //printf("ReadMemory: hProcess: %p, baseAddr: %p, buffer: %p, size: %d, read: %d, result: %d\n", hProcess, (LPVOID) qwBaseAddress, lpBuffer, nSize, (DWORD) st, (DWORD) bRet); - return bRet; - } - return s_readMemoryFunction(hProcess, qwBaseAddress, lpBuffer, nSize, lpNumberOfBytesRead, s_readMemoryFunction_UserData); -} - -void StackWalker::OnLoadModule(LPCSTR img, LPCSTR mod, DWORD64 baseAddr, DWORD size, DWORD result, LPCSTR symType, LPCSTR pdbName, ULONGLONG fileVersion) -{ - CHAR buffer[STACKWALK_MAX_NAMELEN]; - if (fileVersion == 0) - _snprintf_s(buffer, STACKWALK_MAX_NAMELEN, "%s:%s (%p), size: %d (result: %d), SymType: '%s', PDB: '%s'\n", img, mod, (LPVOID) baseAddr, size, result, symType, pdbName); - else - { - DWORD v4 = (DWORD) (fileVersion & 0xFFFF); - DWORD v3 = (DWORD) ((fileVersion>>16) & 0xFFFF); - DWORD v2 = (DWORD) ((fileVersion>>32) & 0xFFFF); - DWORD v1 = (DWORD) ((fileVersion>>48) & 0xFFFF); - _snprintf_s(buffer, STACKWALK_MAX_NAMELEN, "%s:%s (%p), size: %d (result: %d), SymType: '%s', PDB: '%s', fileVersion: %d.%d.%d.%d\n", img, mod, (LPVOID) baseAddr, size, result, symType, pdbName, v1, v2, v3, v4); - } - OnOutput(buffer); -} - -void StackWalker::OnCallstackEntry(CallstackEntryType eType, CallstackEntry &entry) -{ - CHAR buffer[STACKWALK_MAX_NAMELEN]; - if ( (eType != lastEntry) && (entry.offset != 0) ) - { - if (entry.name[0] == 0) - MyStrCpy(entry.name, STACKWALK_MAX_NAMELEN, "(function-name not available)"); - if (entry.undName[0] != 0) - MyStrCpy(entry.name, STACKWALK_MAX_NAMELEN, entry.undName); - if (entry.undFullName[0] != 0) - MyStrCpy(entry.name, STACKWALK_MAX_NAMELEN, entry.undFullName); - if (entry.lineFileName[0] == 0) - { - MyStrCpy(entry.lineFileName, STACKWALK_MAX_NAMELEN, "(filename not available)"); - if (entry.moduleName[0] == 0) - MyStrCpy(entry.moduleName, STACKWALK_MAX_NAMELEN, "(module-name not available)"); - _snprintf_s(buffer, STACKWALK_MAX_NAMELEN, "%p (%s): %s: %s\n", (LPVOID) entry.offset, entry.moduleName, entry.lineFileName, entry.name); - } - else - _snprintf_s(buffer, STACKWALK_MAX_NAMELEN, "%s (%d): %s\n", entry.lineFileName, entry.lineNumber, entry.name); - buffer[STACKWALK_MAX_NAMELEN-1] = 0; - OnOutput(buffer); - } -} - -void StackWalker::OnDbgHelpErr(LPCSTR szFuncName, DWORD gle, DWORD64 addr) -{ - CHAR buffer[STACKWALK_MAX_NAMELEN]; - _snprintf_s(buffer, STACKWALK_MAX_NAMELEN, "ERROR: %s, GetLastError: %d (Address: %p)\n", szFuncName, gle, (LPVOID) addr); - OnOutput(buffer); -} - -void StackWalker::OnSymInit(LPCSTR szSearchPath, DWORD symOptions, LPCSTR szUserName) -{ - CHAR buffer[STACKWALK_MAX_NAMELEN]; - _snprintf_s(buffer, STACKWALK_MAX_NAMELEN, "SymInit: Symbol-SearchPath: '%s', symOptions: %d, UserName: '%s'\n", szSearchPath, symOptions, szUserName); - OnOutput(buffer); - // Also display the OS-version - OSVERSIONINFOEXA ver; - ZeroMemory(&ver, sizeof(OSVERSIONINFOEXA)); - ver.dwOSVersionInfoSize = sizeof(ver); - if (GetVersionExA((OSVERSIONINFOA *)&ver)) { - _snprintf_s(buffer, STACKWALK_MAX_NAMELEN, "OS-Version: %d.%d.%d (%s) 0x%x-0x%x\n", - ver.dwMajorVersion, ver.dwMinorVersion, ver.dwBuildNumber, ver.szCSDVersion, - ver.wSuiteMask, ver.wProductType); - OnOutput(buffer); - } -} - -void StackWalker::OnOutput(LPCSTR buffer) -{ - OutputDebugStringA(buffer); -} -// clang-format on +// clang-format off +// NOLINTBEGIN +/********************************************************************** + * + * StackWalker.cpp + * https://github.com/JochenKalmbach/StackWalker + * + * Old location: http://stackwalker.codeplex.com/ + * + * + * History: + * 2005-07-27 v1 - First public release on http://www.codeproject.com/ + * http://www.codeproject.com/threads/StackWalker.asp + * 2005-07-28 v2 - Changed the params of the constructor and ShowCallstack + * (to simplify the usage) + * 2005-08-01 v3 - Changed to use 'CONTEXT_FULL' instead of CONTEXT_ALL + * (should also be enough) + * - Changed to compile correctly with the PSDK of VC7.0 + * (GetFileVersionInfoSizeA and GetFileVersionInfoA is wrongly defined: + * it uses LPSTR instead of LPCSTR as first parameter) + * - Added declarations to support VC5/6 without using 'dbghelp.h' + * - Added a 'pUserData' member to the ShowCallstack function and the + * PReadProcessMemoryRoutine declaration (to pass some user-defined data, + * which can be used in the readMemoryFunction-callback) + * 2005-08-02 v4 - OnSymInit now also outputs the OS-Version by default + * - Added example for doing an exception-callstack-walking in main.cpp + * (thanks to owillebo: http://www.codeproject.com/script/profile/whos_who.asp?id=536268) + * 2005-08-05 v5 - Removed most Lint (http://www.gimpel.com/) errors... thanks to Okko Willeboordse! + * 2008-08-04 v6 - Fixed Bug: Missing LEAK-end-tag + * http://www.codeproject.com/KB/applications/leakfinder.aspx?msg=2502890#xx2502890xx + * Fixed Bug: Compiled with "WIN32_LEAN_AND_MEAN" + * http://www.codeproject.com/KB/applications/leakfinder.aspx?msg=1824718#xx1824718xx + * Fixed Bug: Compiling with "/Wall" + * http://www.codeproject.com/KB/threads/StackWalker.aspx?msg=2638243#xx2638243xx + * Fixed Bug: Now checking SymUseSymSrv + * http://www.codeproject.com/KB/threads/StackWalker.aspx?msg=1388979#xx1388979xx + * Fixed Bug: Support for recursive function calls + * http://www.codeproject.com/KB/threads/StackWalker.aspx?msg=1434538#xx1434538xx + * Fixed Bug: Missing FreeLibrary call in "GetModuleListTH32" + * http://www.codeproject.com/KB/threads/StackWalker.aspx?msg=1326923#xx1326923xx + * Fixed Bug: SymDia is number 7, not 9! + * 2008-09-11 v7 For some (undocumented) reason, dbhelp.h is needing a packing of 8! + * Thanks to Teajay which reported the bug... + * http://www.codeproject.com/KB/applications/leakfinder.aspx?msg=2718933#xx2718933xx + * 2008-11-27 v8 Debugging Tools for Windows are now stored in a different directory + * Thanks to Luiz Salamon which reported this "bug"... + * http://www.codeproject.com/KB/threads/StackWalker.aspx?msg=2822736#xx2822736xx + * 2009-04-10 v9 License slightly corrected ( replaced) + * 2009-11-01 v10 Moved to http://stackwalker.codeplex.com/ + * 2009-11-02 v11 Now try to use IMAGEHLP_MODULE64_V3 if available + * 2010-04-15 v12 Added support for VS2010 RTM + * 2010-05-25 v13 Now using secure MyStrcCpy. Thanks to luke.simon: + * http://www.codeproject.com/KB/applications/leakfinder.aspx?msg=3477467#xx3477467xx + * 2013-01-07 v14 Runtime Check Error VS2010 Debug Builds fixed: + * http://stackwalker.codeplex.com/workitem/10511 + * + * + * LICENSE (http://www.opensource.org/licenses/bsd-license.php) + * + * Copyright (c) 2005-2013, Jochen Kalmbach + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * Neither the name of Jochen Kalmbach nor the names of its contributors may be + * used to endorse or promote products derived from this software without + * specific prior written permission. + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + **********************************************************************/ + +#include +#include "StackWalker.h" + +#include +#include +#include +#include +#include + +#pragma comment(lib, "version.lib") // for "VerQueryValue" + +#pragma warning(disable : 4826) +#if _MSC_VER >= 1900 +#pragma warning(disable : 4091) // For fix unnamed enums from DbgHelp.h +#endif + + +// If VC7 and later, then use the shipped 'dbghelp.h'-file +#pragma pack(push, 8) +#if _MSC_VER >= 1300 +#include +#else +// inline the important dbghelp.h-declarations... +typedef enum +{ + SymNone = 0, + SymCoff, + SymCv, + SymPdb, + SymExport, + SymDeferred, + SymSym, + SymDia, + SymVirtual, + NumSymTypes +} SYM_TYPE; +typedef struct _IMAGEHLP_LINE64 +{ + DWORD SizeOfStruct; // set to sizeof(IMAGEHLP_LINE64) + PVOID Key; // internal + DWORD LineNumber; // line number in file + PCHAR FileName; // full filename + DWORD64 Address; // first instruction of line +} IMAGEHLP_LINE64, *PIMAGEHLP_LINE64; +typedef struct _IMAGEHLP_MODULE64 +{ + DWORD SizeOfStruct; // set to sizeof(IMAGEHLP_MODULE64) + DWORD64 BaseOfImage; // base load address of module + DWORD ImageSize; // virtual size of the loaded module + DWORD TimeDateStamp; // date/time stamp from pe header + DWORD CheckSum; // checksum from the pe header + DWORD NumSyms; // number of symbols in the symbol table + SYM_TYPE SymType; // type of symbols loaded + CHAR ModuleName[32]; // module name + CHAR ImageName[256]; // image name + CHAR LoadedImageName[256]; // symbol file name +} IMAGEHLP_MODULE64, *PIMAGEHLP_MODULE64; +typedef struct _IMAGEHLP_SYMBOL64 +{ + DWORD SizeOfStruct; // set to sizeof(IMAGEHLP_SYMBOL64) + DWORD64 Address; // virtual address including dll base address + DWORD Size; // estimated size of symbol, can be zero + DWORD Flags; // info about the symbols, see the SYMF defines + DWORD MaxNameLength; // maximum size of symbol name in 'Name' + CHAR Name[1]; // symbol name (null terminated string) +} IMAGEHLP_SYMBOL64, *PIMAGEHLP_SYMBOL64; +typedef enum +{ + AddrMode1616, + AddrMode1632, + AddrModeReal, + AddrModeFlat +} ADDRESS_MODE; +typedef struct _tagADDRESS64 +{ + DWORD64 Offset; + WORD Segment; + ADDRESS_MODE Mode; +} ADDRESS64, *LPADDRESS64; +typedef struct _KDHELP64 +{ + DWORD64 Thread; + DWORD ThCallbackStack; + DWORD ThCallbackBStore; + DWORD NextCallback; + DWORD FramePointer; + DWORD64 KiCallUserMode; + DWORD64 KeUserCallbackDispatcher; + DWORD64 SystemRangeStart; + DWORD64 Reserved[8]; +} KDHELP64, *PKDHELP64; +typedef struct _tagSTACKFRAME64 +{ + ADDRESS64 AddrPC; // program counter + ADDRESS64 AddrReturn; // return address + ADDRESS64 AddrFrame; // frame pointer + ADDRESS64 AddrStack; // stack pointer + ADDRESS64 AddrBStore; // backing store pointer + PVOID FuncTableEntry; // pointer to pdata/fpo or NULL + DWORD64 Params[4]; // possible arguments to the function + BOOL Far; // WOW far call + BOOL Virtual; // is this a virtual frame? + DWORD64 Reserved[3]; + KDHELP64 KdHelp; +} STACKFRAME64, *LPSTACKFRAME64; +typedef BOOL(__stdcall* PREAD_PROCESS_MEMORY_ROUTINE64)(HANDLE hProcess, + DWORD64 qwBaseAddress, + PVOID lpBuffer, + DWORD nSize, + LPDWORD lpNumberOfBytesRead); +typedef PVOID(__stdcall* PFUNCTION_TABLE_ACCESS_ROUTINE64)(HANDLE hProcess, DWORD64 AddrBase); +typedef DWORD64(__stdcall* PGET_MODULE_BASE_ROUTINE64)(HANDLE hProcess, DWORD64 Address); +typedef DWORD64(__stdcall* PTRANSLATE_ADDRESS_ROUTINE64)(HANDLE hProcess, + HANDLE hThread, + LPADDRESS64 lpaddr); + +// clang-format off +#define SYMOPT_CASE_INSENSITIVE 0x00000001 +#define SYMOPT_UNDNAME 0x00000002 +#define SYMOPT_DEFERRED_LOADS 0x00000004 +#define SYMOPT_NO_CPP 0x00000008 +#define SYMOPT_LOAD_LINES 0x00000010 +#define SYMOPT_OMAP_FIND_NEAREST 0x00000020 +#define SYMOPT_LOAD_ANYTHING 0x00000040 +#define SYMOPT_IGNORE_CVREC 0x00000080 +#define SYMOPT_NO_UNQUALIFIED_LOADS 0x00000100 +#define SYMOPT_FAIL_CRITICAL_ERRORS 0x00000200 +#define SYMOPT_EXACT_SYMBOLS 0x00000400 +#define SYMOPT_ALLOW_ABSOLUTE_SYMBOLS 0x00000800 +#define SYMOPT_IGNORE_NT_SYMPATH 0x00001000 +#define SYMOPT_INCLUDE_32BIT_MODULES 0x00002000 +#define SYMOPT_PUBLICS_ONLY 0x00004000 +#define SYMOPT_NO_PUBLICS 0x00008000 +#define SYMOPT_AUTO_PUBLICS 0x00010000 +#define SYMOPT_NO_IMAGE_SEARCH 0x00020000 +#define SYMOPT_SECURE 0x00040000 +#define SYMOPT_DEBUG 0x80000000 +#define UNDNAME_COMPLETE (0x0000) // Enable full undecoration +#define UNDNAME_NAME_ONLY (0x1000) // Crack only the name for primary declaration; +// clang-format on + +#endif // _MSC_VER < 1300 +#pragma pack(pop) + +// Some missing defines (for VC5/6): +#ifndef INVALID_FILE_ATTRIBUTES +#define INVALID_FILE_ATTRIBUTES ((DWORD)-1) +#endif + +// secure-CRT_functions are only available starting with VC8 +#if _MSC_VER < 1400 +#define strcpy_s(dst, len, src) strcpy(dst, src) +#define strncpy_s(dst, len, src, maxLen) strncpy(dst, len, src) +#define strcat_s(dst, len, src) strcat(dst, src) +#define _snprintf_s _snprintf +#define _tcscat_s _tcscat +#endif + +static void MyStrCpy(char* szDest, size_t nMaxDestSize, const char* szSrc) +{ + if (nMaxDestSize <= 0) { + return; + } + strncpy_s(szDest, nMaxDestSize, szSrc, _TRUNCATE); + // INFO: _TRUNCATE will ensure that it is null-terminated; + // but with older compilers (<1400) it uses "strncpy" and this does not!) + szDest[nMaxDestSize - 1] = 0; +} // MyStrCpy + +// Normally it should be enough to use 'CONTEXT_FULL' (better would be 'CONTEXT_ALL') +#define USED_CONTEXT_FLAGS CONTEXT_FULL + +class StackWalkerInternal +{ +public: + StackWalkerInternal(StackWalker* parent, HANDLE hProcess, PCONTEXT ctx) + { + m_parent = parent; + m_hDbhHelp = NULL; + pSC = NULL; + m_hProcess = hProcess; + pSFTA = NULL; + pSGLFA = NULL; + pSGMB = NULL; + pSGMI = NULL; + pSGO = NULL; + pSGSFA = NULL; + pSI = NULL; + pSLM = NULL; + pSSO = NULL; + pSW = NULL; + pUDSN = NULL; + pSGSP = NULL; + m_ctx.ContextFlags = 0; + if (ctx != NULL) { + m_ctx = *ctx; + } + } + + ~StackWalkerInternal() + { + if (pSC != NULL) { + pSC(m_hProcess); // SymCleanup + } + if (m_hDbhHelp != NULL) { + FreeLibrary(m_hDbhHelp); + } + m_hDbhHelp = NULL; + m_parent = NULL; + } + + BOOL Init(LPCSTR szSymPath) + { + if (m_parent == NULL) { + return FALSE; + } + // Dynamically load the Entry-Points for dbghelp.dll: + // First try to load the newest one from + TCHAR szTemp[4096]; + // But before we do this, we first check if the ".local" file exists + if (GetModuleFileName(NULL, szTemp, 4096) > 0) { + _tcscat_s(szTemp, _T(".local")); + if (GetFileAttributes(szTemp) == INVALID_FILE_ATTRIBUTES) { + // ".local" file does not exist, so we can try to load the dbghelp.dll from the + // "Debugging Tools for Windows" Ok, first try the new path according to the + // architecture: +#ifdef _M_IX86 + if ((m_hDbhHelp == NULL) + && (GetEnvironmentVariable(_T("ProgramFiles"), szTemp, 4096) > 0)) { + _tcscat_s(szTemp, _T("\\Debugging Tools for Windows (x86)\\dbghelp.dll")); + // now check if the file exists: + if (GetFileAttributes(szTemp) != INVALID_FILE_ATTRIBUTES) { + m_hDbhHelp = LoadLibrary(szTemp); + } + } +#elif _M_X64 + if ((m_hDbhHelp == NULL) + && (GetEnvironmentVariable(_T("ProgramFiles"), szTemp, 4096) > 0)) { + _tcscat_s(szTemp, _T("\\Debugging Tools for Windows (x64)\\dbghelp.dll")); + // now check if the file exists: + if (GetFileAttributes(szTemp) != INVALID_FILE_ATTRIBUTES) { + m_hDbhHelp = LoadLibrary(szTemp); + } + } +#elif _M_IA64 + if ((m_hDbhHelp == NULL) + && (GetEnvironmentVariable(_T("ProgramFiles"), szTemp, 4096) > 0)) { + _tcscat_s(szTemp, _T("\\Debugging Tools for Windows (ia64)\\dbghelp.dll")); + // now check if the file exists: + if (GetFileAttributes(szTemp) != INVALID_FILE_ATTRIBUTES) { + m_hDbhHelp = LoadLibrary(szTemp); + } + } +#endif + // If still not found, try the old directories... + if ((m_hDbhHelp == NULL) + && (GetEnvironmentVariable(_T("ProgramFiles"), szTemp, 4096) > 0)) { + _tcscat_s(szTemp, _T("\\Debugging Tools for Windows\\dbghelp.dll")); + // now check if the file exists: + if (GetFileAttributes(szTemp) != INVALID_FILE_ATTRIBUTES) { + m_hDbhHelp = LoadLibrary(szTemp); + } + } +#if defined _M_X64 || defined _M_IA64 + // Still not found? Then try to load the (old) 64-Bit version: + if ((m_hDbhHelp == NULL) + && (GetEnvironmentVariable(_T("ProgramFiles"), szTemp, 4096) > 0)) { + _tcscat_s(szTemp, _T("\\Debugging Tools for Windows 64-Bit\\dbghelp.dll")); + if (GetFileAttributes(szTemp) != INVALID_FILE_ATTRIBUTES) { + m_hDbhHelp = LoadLibrary(szTemp); + } + } +#endif + } + } + if (m_hDbhHelp == NULL) { // if not already loaded, try to load a default-one + m_hDbhHelp = LoadLibrary(_T("dbghelp.dll")); + } + if (m_hDbhHelp == NULL) { + return FALSE; + } + pSI = (tSI)GetProcAddress(m_hDbhHelp, "SymInitialize"); + pSC = (tSC)GetProcAddress(m_hDbhHelp, "SymCleanup"); + + pSW = (tSW)GetProcAddress(m_hDbhHelp, "StackWalk64"); + pSGO = (tSGO)GetProcAddress(m_hDbhHelp, "SymGetOptions"); + pSSO = (tSSO)GetProcAddress(m_hDbhHelp, "SymSetOptions"); + + pSFTA = (tSFTA)GetProcAddress(m_hDbhHelp, "SymFunctionTableAccess64"); + pSGLFA = (tSGLFA)GetProcAddress(m_hDbhHelp, "SymGetLineFromAddr64"); + pSGMB = (tSGMB)GetProcAddress(m_hDbhHelp, "SymGetModuleBase64"); + pSGMI = (tSGMI)GetProcAddress(m_hDbhHelp, "SymGetModuleInfo64"); + pSGSFA = (tSGSFA)GetProcAddress(m_hDbhHelp, "SymGetSymFromAddr64"); + pUDSN = (tUDSN)GetProcAddress(m_hDbhHelp, "UnDecorateSymbolName"); + pSLM = (tSLM)GetProcAddress(m_hDbhHelp, "SymLoadModule64"); + pSGSP = (tSGSP)GetProcAddress(m_hDbhHelp, "SymGetSearchPath"); + + if (pSC == NULL || pSFTA == NULL || pSGMB == NULL || pSGMI == NULL || pSGO == NULL + || pSGSFA == NULL || pSI == NULL || pSSO == NULL || pSW == NULL || pUDSN == NULL + || pSLM == NULL) { + FreeLibrary(m_hDbhHelp); + m_hDbhHelp = NULL; + pSC = NULL; + return FALSE; + } + + // SymInitialize + if (this->pSI(m_hProcess, szSymPath, FALSE) == FALSE) { + this->m_parent->OnDbgHelpErr("SymInitialize", GetLastError(), 0); + } + + DWORD symOptions = this->pSGO(); // SymGetOptions + symOptions |= SYMOPT_LOAD_LINES; + symOptions |= SYMOPT_FAIL_CRITICAL_ERRORS; + // symOptions |= SYMOPT_NO_PROMPTS; + // SymSetOptions + symOptions = this->pSSO(symOptions); + + char buf[StackWalker::STACKWALK_MAX_NAMELEN] = {0}; + if (this->pSGSP != NULL) { + if (this->pSGSP(m_hProcess, buf, StackWalker::STACKWALK_MAX_NAMELEN) == FALSE) { + this->m_parent->OnDbgHelpErr("SymGetSearchPath", GetLastError(), 0); + } + } + char szUserName[1024] = {0}; + DWORD dwSize = 1024; + GetUserNameA(szUserName, &dwSize); + this->m_parent->OnSymInit(buf, symOptions, szUserName); + + return TRUE; + } + + StackWalker* m_parent; + + CONTEXT m_ctx; + HMODULE m_hDbhHelp; + HANDLE m_hProcess; + +#pragma pack(push, 8) + typedef struct _IMAGEHLP_MODULE64_V3 + { + DWORD SizeOfStruct; // set to sizeof(IMAGEHLP_MODULE64) + DWORD64 BaseOfImage; // base load address of module + DWORD ImageSize; // virtual size of the loaded module + DWORD TimeDateStamp; // date/time stamp from pe header + DWORD CheckSum; // checksum from the pe header + DWORD NumSyms; // number of symbols in the symbol table + SYM_TYPE SymType; // type of symbols loaded + CHAR ModuleName[32]; // module name + CHAR ImageName[256]; // image name + CHAR LoadedImageName[256]; // symbol file name + // new elements: 07-Jun-2002 + CHAR LoadedPdbName[256]; // pdb file name + DWORD CVSig; // Signature of the CV record in the debug directories + CHAR CVData[MAX_PATH * 3]; // Contents of the CV record + DWORD PdbSig; // Signature of PDB + GUID PdbSig70; // Signature of PDB (VC 7 and up) + DWORD PdbAge; // DBI age of pdb + BOOL PdbUnmatched; // loaded an unmatched pdb + BOOL DbgUnmatched; // loaded an unmatched dbg + BOOL LineNumbers; // we have line number information + BOOL GlobalSymbols; // we have internal symbol information + BOOL TypeInfo; // we have type information + // new elements: 17-Dec-2003 + BOOL SourceIndexed; // pdb supports source server + BOOL Publics; // contains public symbols + } IMAGEHLP_MODULE64_V3, *PIMAGEHLP_MODULE64_V3; + + typedef struct _IMAGEHLP_MODULE64_V2 + { + DWORD SizeOfStruct; // set to sizeof(IMAGEHLP_MODULE64) + DWORD64 BaseOfImage; // base load address of module + DWORD ImageSize; // virtual size of the loaded module + DWORD TimeDateStamp; // date/time stamp from pe header + DWORD CheckSum; // checksum from the pe header + DWORD NumSyms; // number of symbols in the symbol table + SYM_TYPE SymType; // type of symbols loaded + CHAR ModuleName[32]; // module name + CHAR ImageName[256]; // image name + CHAR LoadedImageName[256]; // symbol file name + } IMAGEHLP_MODULE64_V2, *PIMAGEHLP_MODULE64_V2; +#pragma pack(pop) + + // SymCleanup() + typedef BOOL(__stdcall* tSC)(IN HANDLE hProcess); + tSC pSC; + + // SymFunctionTableAccess64() + typedef PVOID(__stdcall* tSFTA)(HANDLE hProcess, DWORD64 AddrBase); + tSFTA pSFTA; + + // SymGetLineFromAddr64() + typedef BOOL(__stdcall* tSGLFA)(IN HANDLE hProcess, + IN DWORD64 dwAddr, + OUT PDWORD pdwDisplacement, + OUT PIMAGEHLP_LINE64 Line); + tSGLFA pSGLFA; + + // SymGetModuleBase64() + typedef DWORD64(__stdcall* tSGMB)(IN HANDLE hProcess, IN DWORD64 dwAddr); + tSGMB pSGMB; + + // SymGetModuleInfo64() + typedef BOOL(__stdcall* tSGMI)(IN HANDLE hProcess, + IN DWORD64 dwAddr, + OUT IMAGEHLP_MODULE64_V3* ModuleInfo); + tSGMI pSGMI; + + // SymGetOptions() + typedef DWORD(__stdcall* tSGO)(VOID); + tSGO pSGO; + + // SymGetSymFromAddr64() + typedef BOOL(__stdcall* tSGSFA)(IN HANDLE hProcess, + IN DWORD64 dwAddr, + OUT PDWORD64 pdwDisplacement, + OUT PIMAGEHLP_SYMBOL64 Symbol); + tSGSFA pSGSFA; + + // SymInitialize() + typedef BOOL(__stdcall* tSI)(IN HANDLE hProcess, + IN LPCSTR UserSearchPath, + IN BOOL fInvadeProcess); + tSI pSI; + + // SymLoadModule64() + typedef DWORD64(__stdcall* tSLM)(IN HANDLE hProcess, + IN HANDLE hFile, + IN LPCSTR ImageName, + IN LPCSTR ModuleName, + IN DWORD64 BaseOfDll, + IN DWORD SizeOfDll); + tSLM pSLM; + + // SymSetOptions() + typedef DWORD(__stdcall* tSSO)(IN DWORD SymOptions); + tSSO pSSO; + + // StackWalk64() + typedef BOOL(__stdcall* tSW)(DWORD MachineType, + HANDLE hProcess, + HANDLE hThread, + LPSTACKFRAME64 StackFrame, + PVOID ContextRecord, + PREAD_PROCESS_MEMORY_ROUTINE64 ReadMemoryRoutine, + PFUNCTION_TABLE_ACCESS_ROUTINE64 FunctionTableAccessRoutine, + PGET_MODULE_BASE_ROUTINE64 GetModuleBaseRoutine, + PTRANSLATE_ADDRESS_ROUTINE64 TranslateAddress); + tSW pSW; + + // UnDecorateSymbolName() + typedef DWORD(__stdcall WINAPI* tUDSN)(PCSTR DecoratedName, + PSTR UnDecoratedName, + DWORD UndecoratedLength, + DWORD Flags); + tUDSN pUDSN; + + typedef BOOL(__stdcall WINAPI* tSGSP)(HANDLE hProcess, PSTR SearchPath, DWORD SearchPathLength); + tSGSP pSGSP; + +private: +// **************************************** ToolHelp32 ************************ +#define MAX_MODULE_NAME32 255 +#define TH32CS_SNAPMODULE 0x00000008 +#pragma pack(push, 8) + typedef struct tagMODULEENTRY32 + { + DWORD dwSize; + DWORD th32ModuleID; // This module + DWORD th32ProcessID; // owning process + DWORD GlblcntUsage; // Global usage count on the module + DWORD ProccntUsage; // Module usage count in th32ProcessID's context + BYTE* modBaseAddr; // Base address of module in th32ProcessID's context + DWORD modBaseSize; // Size in bytes of module starting at modBaseAddr + HMODULE hModule; // The hModule of this module in th32ProcessID's context + char szModule[MAX_MODULE_NAME32 + 1]; + char szExePath[MAX_PATH]; + } MODULEENTRY32; + typedef MODULEENTRY32* PMODULEENTRY32; + typedef MODULEENTRY32* LPMODULEENTRY32; +#pragma pack(pop) + + BOOL GetModuleListTH32(HANDLE hProcess, DWORD pid) + { + // CreateToolhelp32Snapshot() + typedef HANDLE(__stdcall * tCT32S)(DWORD dwFlags, DWORD th32ProcessID); + // Module32First() + typedef BOOL(__stdcall * tM32F)(HANDLE hSnapshot, LPMODULEENTRY32 lpme); + // Module32Next() + typedef BOOL(__stdcall * tM32N)(HANDLE hSnapshot, LPMODULEENTRY32 lpme); + + // try both dlls... + const TCHAR* dllname[] = {_T("kernel32.dll"), _T("tlhelp32.dll")}; + HINSTANCE hToolhelp = NULL; + tCT32S pCT32S = NULL; + tM32F pM32F = NULL; + tM32N pM32N = NULL; + + HANDLE hSnap; + MODULEENTRY32 me; + me.dwSize = sizeof(me); + BOOL keepGoing; + size_t i; + + for (i = 0; i < (sizeof(dllname) / sizeof(dllname[0])); i++) { + hToolhelp = LoadLibrary(dllname[i]); + if (hToolhelp == NULL) { + continue; + } + pCT32S = (tCT32S)GetProcAddress(hToolhelp, "CreateToolhelp32Snapshot"); + pM32F = (tM32F)GetProcAddress(hToolhelp, "Module32First"); + pM32N = (tM32N)GetProcAddress(hToolhelp, "Module32Next"); + if ((pCT32S != NULL) && (pM32F != NULL) && (pM32N != NULL)) { + break; // found the functions! + } + FreeLibrary(hToolhelp); + hToolhelp = NULL; + } + + if (hToolhelp == NULL) { + return FALSE; + } + + hSnap = pCT32S(TH32CS_SNAPMODULE, pid); + if (hSnap == (HANDLE)-1) { + FreeLibrary(hToolhelp); + return FALSE; + } + + keepGoing = !!pM32F(hSnap, &me); + int cnt = 0; + while (keepGoing) { + this->LoadModule(hProcess, + me.szExePath, + me.szModule, + (DWORD64)me.modBaseAddr, + me.modBaseSize); + cnt++; + keepGoing = !!pM32N(hSnap, &me); + } + CloseHandle(hSnap); + FreeLibrary(hToolhelp); + if (cnt <= 0) { + return FALSE; + } + return TRUE; + } // GetModuleListTH32 + + // **************************************** PSAPI ************************ + typedef struct _MODULEINFO + { + LPVOID lpBaseOfDll; + DWORD SizeOfImage; + LPVOID EntryPoint; + } MODULEINFO, *LPMODULEINFO; + + BOOL GetModuleListPSAPI(HANDLE hProcess) + { + // EnumProcessModules() + typedef BOOL(__stdcall + * tEPM)(HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); + // GetModuleFileNameEx() + typedef DWORD(__stdcall + * tGMFNE)(HANDLE hProcess, HMODULE hModule, LPSTR lpFilename, DWORD nSize); + // GetModuleBaseName() + typedef DWORD(__stdcall + * tGMBN)(HANDLE hProcess, HMODULE hModule, LPSTR lpFilename, DWORD nSize); + // GetModuleInformation() + typedef BOOL(__stdcall + * tGMI)(HANDLE hProcess, HMODULE hModule, LPMODULEINFO pmi, DWORD nSize); + + HINSTANCE hPsapi; + tEPM pEPM; + tGMFNE pGMFNE; + tGMBN pGMBN; + tGMI pGMI; + + DWORD i; + // ModuleEntry e; + DWORD cbNeeded; + MODULEINFO mi; + HMODULE* hMods = NULL; + char* tt = NULL; + char* tt2 = NULL; + const SIZE_T TTBUFLEN = 8096; + int cnt = 0; + + hPsapi = LoadLibrary(_T("psapi.dll")); + if (hPsapi == NULL) { + return FALSE; + } + + pEPM = (tEPM)GetProcAddress(hPsapi, "EnumProcessModules"); + pGMFNE = (tGMFNE)GetProcAddress(hPsapi, "GetModuleFileNameExA"); + pGMBN = (tGMFNE)GetProcAddress(hPsapi, "GetModuleBaseNameA"); + pGMI = (tGMI)GetProcAddress(hPsapi, "GetModuleInformation"); + if ((pEPM == NULL) || (pGMFNE == NULL) || (pGMBN == NULL) || (pGMI == NULL)) { + // we couldn't find all functions + FreeLibrary(hPsapi); + return FALSE; + } + + hMods = (HMODULE*)malloc(sizeof(HMODULE) * (TTBUFLEN / sizeof(HMODULE))); + tt = (char*)malloc(sizeof(char) * TTBUFLEN); + tt2 = (char*)malloc(sizeof(char) * TTBUFLEN); + if ((hMods == NULL) || (tt == NULL) || (tt2 == NULL)) { + goto cleanup; + } + + if (!pEPM(hProcess, hMods, TTBUFLEN, &cbNeeded)) { + //_ftprintf(fLogFile, _T("%lu: EPM failed, GetLastError = %lu\n"), g_dwShowCount, gle ); + goto cleanup; + } + + if (cbNeeded > TTBUFLEN) { + //_ftprintf(fLogFile, _T("%lu: More than %lu module handles. Huh?\n"), g_dwShowCount, + // lenof( hMods ) ); + goto cleanup; + } + + for (i = 0; i < cbNeeded / sizeof(hMods[0]); i++) { + // base address, size + pGMI(hProcess, hMods[i], &mi, sizeof(mi)); + // image file name + tt[0] = 0; + pGMFNE(hProcess, hMods[i], tt, TTBUFLEN); + // module name + tt2[0] = 0; + pGMBN(hProcess, hMods[i], tt2, TTBUFLEN); + + DWORD dwRes = + this->LoadModule(hProcess, tt, tt2, (DWORD64)mi.lpBaseOfDll, mi.SizeOfImage); + if (dwRes != ERROR_SUCCESS) { + this->m_parent->OnDbgHelpErr("LoadModule", dwRes, 0); + } + cnt++; + } + + cleanup: + if (hPsapi != NULL) { + FreeLibrary(hPsapi); + } + if (tt2 != NULL) { + free(tt2); + } + if (tt != NULL) { + free(tt); + } + if (hMods != NULL) { + free(hMods); + } + + return cnt != 0; + } // GetModuleListPSAPI + + DWORD LoadModule(HANDLE hProcess, LPCSTR img, LPCSTR mod, DWORD64 baseAddr, DWORD size) + { + CHAR* szImg = _strdup(img); + CHAR* szMod = _strdup(mod); + DWORD result = ERROR_SUCCESS; + if ((szImg == NULL) || (szMod == NULL)) { + result = ERROR_NOT_ENOUGH_MEMORY; + } + else { + if (pSLM(hProcess, 0, szImg, szMod, baseAddr, size) == 0) { + result = GetLastError(); + } + } + ULONGLONG fileVersion = 0; + if ((m_parent != NULL) && (szImg != NULL)) { + // try to retrieve the file-version: + if ((this->m_parent->m_options & StackWalker::RetrieveFileVersion) != 0) { + VS_FIXEDFILEINFO* fInfo = NULL; + DWORD dwHandle; + DWORD dwSize = GetFileVersionInfoSizeA(szImg, &dwHandle); + if (dwSize > 0) { + LPVOID vData = malloc(dwSize); + if (vData != NULL) { + if (GetFileVersionInfoA(szImg, dwHandle, dwSize, vData) != 0) { + UINT len; + TCHAR szSubBlock[] = _T("\\"); + if (VerQueryValue(vData, szSubBlock, (LPVOID*)&fInfo, &len) == 0) { + fInfo = NULL; + } + else { + fileVersion = ((ULONGLONG)fInfo->dwFileVersionLS) + + ((ULONGLONG)fInfo->dwFileVersionMS << 32); + } + } + free(vData); + } + } + } + + // Retrieve some additional-infos about the module + IMAGEHLP_MODULE64_V3 Module; + const char* szSymType = "-unknown-"; + if (this->GetModuleInfo(hProcess, baseAddr, &Module) != FALSE) { + switch (Module.SymType) { + case SymNone: + szSymType = "-nosymbols-"; + break; + case SymCoff: // 1 + szSymType = "COFF"; + break; + case SymCv: // 2 + szSymType = "CV"; + break; + case SymPdb: // 3 + szSymType = "PDB"; + break; + case SymExport: // 4 + szSymType = "-exported-"; + break; + case SymDeferred: // 5 + szSymType = "-deferred-"; + break; + case SymSym: // 6 + szSymType = "SYM"; + break; + case 7: // SymDia: + szSymType = "DIA"; + break; + case 8: // SymVirtual: + szSymType = "Virtual"; + break; + } + } + LPCSTR pdbName = Module.LoadedImageName; + if (Module.LoadedPdbName[0] != 0) { + pdbName = Module.LoadedPdbName; + } + this->m_parent + ->OnLoadModule(img, mod, baseAddr, size, result, szSymType, pdbName, fileVersion); + } + if (szImg != NULL) { + free(szImg); + } + if (szMod != NULL) { + free(szMod); + } + return result; + } + +public: + BOOL LoadModules(HANDLE hProcess, DWORD dwProcessId) + { + // first try toolhelp32 + if (GetModuleListTH32(hProcess, dwProcessId)) { + return true; + } + // then try psapi + return GetModuleListPSAPI(hProcess); + } + + BOOL GetModuleInfo(HANDLE hProcess, DWORD64 baseAddr, IMAGEHLP_MODULE64_V3* pModuleInfo) + { + memset(pModuleInfo, 0, sizeof(IMAGEHLP_MODULE64_V3)); + if (this->pSGMI == NULL) { + SetLastError(ERROR_DLL_INIT_FAILED); + return FALSE; + } + // First try to use the larger ModuleInfo-Structure + pModuleInfo->SizeOfStruct = sizeof(IMAGEHLP_MODULE64_V3); + void* pData = malloc(4096); // reserve enough memory, so the bug in v6.3.5.1 does not lead + // to memory-overwrites... + if (pData == NULL) { + SetLastError(ERROR_NOT_ENOUGH_MEMORY); + return FALSE; + } + memcpy(pData, pModuleInfo, sizeof(IMAGEHLP_MODULE64_V3)); + static bool s_useV3Version = true; + if (s_useV3Version) { + if (this->pSGMI(hProcess, baseAddr, (IMAGEHLP_MODULE64_V3*)pData) != FALSE) { + // only copy as much memory as is reserved... + memcpy(pModuleInfo, pData, sizeof(IMAGEHLP_MODULE64_V3)); + pModuleInfo->SizeOfStruct = sizeof(IMAGEHLP_MODULE64_V3); + free(pData); + return TRUE; + } + s_useV3Version = false; // to prevent unnecessary calls with the larger struct... + } + + // could not retrieve the bigger structure, try with the smaller one (as defined in + // VC7.1)... + pModuleInfo->SizeOfStruct = sizeof(IMAGEHLP_MODULE64_V2); + memcpy(pData, pModuleInfo, sizeof(IMAGEHLP_MODULE64_V2)); + if (this->pSGMI(hProcess, baseAddr, (IMAGEHLP_MODULE64_V3*)pData) != FALSE) { + // only copy as much memory as is reserved... + memcpy(pModuleInfo, pData, sizeof(IMAGEHLP_MODULE64_V2)); + pModuleInfo->SizeOfStruct = sizeof(IMAGEHLP_MODULE64_V2); + free(pData); + return TRUE; + } + free(pData); + SetLastError(ERROR_DLL_INIT_FAILED); + return FALSE; + } +}; + +// ############################################################# + +#if defined(_MSC_VER) && _MSC_VER >= 1400 && _MSC_VER < 1900 +extern "C" void* __cdecl _getptd(); +#endif +#if defined(_MSC_VER) && _MSC_VER >= 1900 +extern "C" void** __cdecl __current_exception_context(); +#endif + +static PCONTEXT get_current_exception_context() +{ + PCONTEXT* pctx = NULL; +#if defined(_MSC_VER) && _MSC_VER >= 1400 && _MSC_VER < 1900 + LPSTR ptd = (LPSTR)_getptd(); + if (ptd) { + pctx = (PCONTEXT*)(ptd + (sizeof(void*) == 4 ? 0x8C : 0xF8)); + } +#endif +#if defined(_MSC_VER) && _MSC_VER >= 1900 + pctx = (PCONTEXT*)__current_exception_context(); +#endif + return pctx ? *pctx : NULL; +} + +bool StackWalker::Init(ExceptType extype, + int options, + LPCSTR szSymPath, + DWORD dwProcessId, + HANDLE hProcess, + PEXCEPTION_POINTERS exp) +{ + PCONTEXT ctx = NULL; + if (extype == AfterCatch) { + ctx = get_current_exception_context(); + } + if (extype == AfterExcept && exp) { + ctx = exp->ContextRecord; + } + this->m_options = options; + this->m_modulesLoaded = FALSE; + this->m_szSymPath = NULL; + this->m_MaxRecursionCount = 1000; + this->m_sw = NULL; + SetTargetProcess(dwProcessId, hProcess); + SetSymPath(szSymPath); + /* MSVC ignore std::nothrow specifier for `new` operator */ + LPVOID buf = malloc(sizeof(StackWalkerInternal)); + if (!buf) { + return false; + } + memset(buf, 0, sizeof(StackWalkerInternal)); + this->m_sw = new (buf) StackWalkerInternal(this, this->m_hProcess, ctx); // placement new + return true; +} + +StackWalker::StackWalker(DWORD dwProcessId, HANDLE hProcess) +{ + Init(NonExcept, OptionsAll, NULL, dwProcessId, hProcess); +} + +StackWalker::StackWalker(int options, LPCSTR szSymPath, DWORD dwProcessId, HANDLE hProcess) +{ + Init(NonExcept, options, szSymPath, dwProcessId, hProcess); +} + +StackWalker::StackWalker(ExceptType extype, int options, PEXCEPTION_POINTERS exp) +{ + Init(extype, options, NULL, GetCurrentProcessId(), GetCurrentProcess(), exp); +} + +StackWalker::~StackWalker() +{ + SetSymPath(NULL); + if (m_sw != NULL) { + m_sw->~StackWalkerInternal(); // call the object's destructor + free(m_sw); + } + m_sw = NULL; +} + +bool StackWalker::SetSymPath(LPCSTR szSymPath) +{ + if (m_szSymPath) { + free(m_szSymPath); + } + m_szSymPath = NULL; + if (szSymPath == NULL) { + return true; + } + m_szSymPath = _strdup(szSymPath); + if (m_szSymPath) { + m_options |= SymBuildPath; + } + return true; +} + +bool StackWalker::SetTargetProcess(DWORD dwProcessId, HANDLE hProcess) +{ + m_dwProcessId = dwProcessId; + m_hProcess = hProcess; + if (m_sw) { + m_sw->m_hProcess = hProcess; + } + return true; +} + +PCONTEXT StackWalker::GetCurrentExceptionContext() +{ + return get_current_exception_context(); +} + +BOOL StackWalker::LoadModules() +{ + if (this->m_sw == NULL) { + SetLastError(ERROR_DLL_INIT_FAILED); + return FALSE; + } + if (m_modulesLoaded != FALSE) { + return TRUE; + } + + // Build the sym-path: + char* szSymPath = NULL; + if ((this->m_options & SymBuildPath) != 0) { + const size_t nSymPathLen = 4096; + szSymPath = (char*)malloc(nSymPathLen); + if (szSymPath == NULL) { + SetLastError(ERROR_NOT_ENOUGH_MEMORY); + return FALSE; + } + szSymPath[0] = 0; + // Now first add the (optional) provided sympath: + if (this->m_szSymPath != NULL) { + strcat_s(szSymPath, nSymPathLen, this->m_szSymPath); + strcat_s(szSymPath, nSymPathLen, ";"); + } + + strcat_s(szSymPath, nSymPathLen, ".;"); + + const size_t nTempLen = 1024; + char szTemp[nTempLen]; + // Now add the current directory: + if (GetCurrentDirectoryA(nTempLen, szTemp) > 0) { + szTemp[nTempLen - 1] = 0; + strcat_s(szSymPath, nSymPathLen, szTemp); + strcat_s(szSymPath, nSymPathLen, ";"); + } + + // Now add the path for the main-module: + if (GetModuleFileNameA(NULL, szTemp, nTempLen) > 0) { + szTemp[nTempLen - 1] = 0; + for (char* p = (szTemp + strlen(szTemp) - 1); p >= szTemp; --p) { + // locate the rightmost path separator + if ((*p == '\\') || (*p == '/') || (*p == ':')) { + *p = 0; + break; + } + } // for (search for path separator...) + if (strlen(szTemp) > 0) { + strcat_s(szSymPath, nSymPathLen, szTemp); + strcat_s(szSymPath, nSymPathLen, ";"); + } + } + if (GetEnvironmentVariableA("_NT_SYMBOL_PATH", szTemp, nTempLen) > 0) { + szTemp[nTempLen - 1] = 0; + strcat_s(szSymPath, nSymPathLen, szTemp); + strcat_s(szSymPath, nSymPathLen, ";"); + } + if (GetEnvironmentVariableA("_NT_ALTERNATE_SYMBOL_PATH", szTemp, nTempLen) > 0) { + szTemp[nTempLen - 1] = 0; + strcat_s(szSymPath, nSymPathLen, szTemp); + strcat_s(szSymPath, nSymPathLen, ";"); + } + if (GetEnvironmentVariableA("SYSTEMROOT", szTemp, nTempLen) > 0) { + szTemp[nTempLen - 1] = 0; + strcat_s(szSymPath, nSymPathLen, szTemp); + strcat_s(szSymPath, nSymPathLen, ";"); + // also add the "system32"-directory: + strcat_s(szTemp, nTempLen, "\\system32"); + strcat_s(szSymPath, nSymPathLen, szTemp); + strcat_s(szSymPath, nSymPathLen, ";"); + } + + if ((this->m_options & SymUseSymSrv) != 0) { + if (GetEnvironmentVariableA("SYSTEMDRIVE", szTemp, nTempLen) > 0) { + szTemp[nTempLen - 1] = 0; + strcat_s(szSymPath, nSymPathLen, "SRV*"); + strcat_s(szSymPath, nSymPathLen, szTemp); + strcat_s(szSymPath, nSymPathLen, "\\websymbols"); + strcat_s(szSymPath, nSymPathLen, "*https://msdl.microsoft.com/download/symbols;"); + } + else { + strcat_s(szSymPath, + nSymPathLen, + "SRV*c:\\websymbols*https://msdl.microsoft.com/download/symbols;"); + } + } + } // if SymBuildPath + + // First Init the whole stuff... + BOOL bRet = this->m_sw->Init(szSymPath); + if (szSymPath != NULL) { + free(szSymPath); + } + szSymPath = NULL; + if (bRet == FALSE) { + this->OnDbgHelpErr("Error while initializing dbghelp.dll", 0, 0); + SetLastError(ERROR_DLL_INIT_FAILED); + return FALSE; + } + + bRet = this->m_sw->LoadModules(this->m_hProcess, this->m_dwProcessId); + if (bRet != FALSE) { + m_modulesLoaded = TRUE; + } + return bRet; +} + +// The following is used to pass the "userData"-Pointer to the user-provided readMemoryFunction +// This has to be done due to a problem with the "hProcess"-parameter in x64... +// Because this class is in no case multi-threading-enabled (because of the limitations +// of dbghelp.dll) it is "safe" to use a static-variable +static StackWalker::PReadProcessMemoryRoutine s_readMemoryFunction = NULL; +static LPVOID s_readMemoryFunction_UserData = NULL; + +BOOL StackWalker::ShowCallstack(HANDLE hThread, + const CONTEXT* context, + PReadProcessMemoryRoutine readMemoryFunction, + LPVOID pUserData) +{ + CONTEXT c; + CallstackEntry csEntry; + IMAGEHLP_SYMBOL64* pSym = NULL; + StackWalkerInternal::IMAGEHLP_MODULE64_V3 Module; + IMAGEHLP_LINE64 Line; + int frameNum; + bool bLastEntryCalled = true; + int curRecursionCount = 0; + + if (m_modulesLoaded == FALSE) { + this->LoadModules(); // ignore the result... + } + + if (this->m_sw->m_hDbhHelp == NULL) { + SetLastError(ERROR_DLL_INIT_FAILED); + return FALSE; + } + + s_readMemoryFunction = readMemoryFunction; + s_readMemoryFunction_UserData = pUserData; + + if (context == NULL) { + // If no context is provided, capture the context + // See: https://stackwalker.codeplex.com/discussions/446958 +#if _WIN32_WINNT <= 0x0501 + // If we need to support XP, we need to use the "old way", because "GetThreadId" is not + // available! + if (hThread == GetCurrentThread()) +#else + if (GetThreadId(hThread) == GetCurrentThreadId()) +#endif + { + if (m_sw->m_ctx.ContextFlags != 0) { + c = m_sw->m_ctx; // context taken at Init + } + else { + GET_CURRENT_CONTEXT_STACKWALKER_CODEPLEX(c, USED_CONTEXT_FLAGS); + } + } + else { + SuspendThread(hThread); + memset(&c, 0, sizeof(CONTEXT)); + c.ContextFlags = USED_CONTEXT_FLAGS; + + // TODO: Detect if you want to get a thread context of a different process, which is + // running a different processor architecture... This does only work if we are x64 and + // the target process is x64 or x86; It cannot work, if this process is x64 and the + // target process is x64... this is not supported... See also: + // http://www.howzatt.demon.co.uk/articles/DebuggingInWin64.html + if (GetThreadContext(hThread, &c) == FALSE) { + ResumeThread(hThread); + return FALSE; + } + } + } + else { + c = *context; + } + + // init STACKFRAME for first call + STACKFRAME64 s; // in/out stackframe + memset(&s, 0, sizeof(s)); + DWORD imageType; +#ifdef _M_IX86 + // normally, call ImageNtHeader() and use machine info from PE header + imageType = IMAGE_FILE_MACHINE_I386; + s.AddrPC.Offset = c.Eip; + s.AddrPC.Mode = AddrModeFlat; + s.AddrFrame.Offset = c.Ebp; + s.AddrFrame.Mode = AddrModeFlat; + s.AddrStack.Offset = c.Esp; + s.AddrStack.Mode = AddrModeFlat; +#elif _M_X64 + imageType = IMAGE_FILE_MACHINE_AMD64; + s.AddrPC.Offset = c.Rip; + s.AddrPC.Mode = AddrModeFlat; + s.AddrFrame.Offset = c.Rsp; + s.AddrFrame.Mode = AddrModeFlat; + s.AddrStack.Offset = c.Rsp; + s.AddrStack.Mode = AddrModeFlat; +#elif _M_IA64 + imageType = IMAGE_FILE_MACHINE_IA64; + s.AddrPC.Offset = c.StIIP; + s.AddrPC.Mode = AddrModeFlat; + s.AddrFrame.Offset = c.IntSp; + s.AddrFrame.Mode = AddrModeFlat; + s.AddrBStore.Offset = c.RsBSP; + s.AddrBStore.Mode = AddrModeFlat; + s.AddrStack.Offset = c.IntSp; + s.AddrStack.Mode = AddrModeFlat; +#elif _M_ARM64 + imageType = IMAGE_FILE_MACHINE_ARM64; + s.AddrPC.Offset = c.Pc; + s.AddrPC.Mode = AddrModeFlat; + s.AddrFrame.Offset = c.Fp; + s.AddrFrame.Mode = AddrModeFlat; + s.AddrStack.Offset = c.Sp; + s.AddrStack.Mode = AddrModeFlat; +#else +#error "Platform not supported!" +#endif + + pSym = (IMAGEHLP_SYMBOL64*)malloc(sizeof(IMAGEHLP_SYMBOL64) + STACKWALK_MAX_NAMELEN); + if (!pSym) { + goto cleanup; // not enough memory... + } + memset(pSym, 0, sizeof(IMAGEHLP_SYMBOL64) + STACKWALK_MAX_NAMELEN); + pSym->SizeOfStruct = sizeof(IMAGEHLP_SYMBOL64); + pSym->MaxNameLength = STACKWALK_MAX_NAMELEN; + + memset(&Line, 0, sizeof(Line)); + Line.SizeOfStruct = sizeof(Line); + + memset(&Module, 0, sizeof(Module)); + Module.SizeOfStruct = sizeof(Module); + + for (frameNum = 0;; ++frameNum) { + // get next stack frame (StackWalk64(), SymFunctionTableAccess64(), SymGetModuleBase64()) + // if this returns ERROR_INVALID_ADDRESS (487) or ERROR_NOACCESS (998), you can + // assume that either you are done, or that the stack is so hosed that the next + // deeper frame could not be found. + // CONTEXT need not to be supplied if imageTyp is IMAGE_FILE_MACHINE_I386! + if (!this->m_sw->pSW(imageType, + this->m_hProcess, + hThread, + &s, + &c, + myReadProcMem, + this->m_sw->pSFTA, + this->m_sw->pSGMB, + NULL)) { + // INFO: "StackWalk64" does not set "GetLastError"... + this->OnDbgHelpErr("StackWalk64", 0, s.AddrPC.Offset); + break; + } + + csEntry.offset = s.AddrPC.Offset; + csEntry.name[0] = 0; + csEntry.undName[0] = 0; + csEntry.undFullName[0] = 0; + csEntry.offsetFromSmybol = 0; + csEntry.offsetFromLine = 0; + csEntry.lineFileName[0] = 0; + csEntry.lineNumber = 0; + csEntry.loadedImageName[0] = 0; + csEntry.moduleName[0] = 0; + if (s.AddrPC.Offset == s.AddrReturn.Offset) { + if ((this->m_MaxRecursionCount > 0) && (curRecursionCount > m_MaxRecursionCount)) { + this->OnDbgHelpErr("StackWalk64-Endless-Callstack!", 0, s.AddrPC.Offset); + break; + } + curRecursionCount++; + } + else { + curRecursionCount = 0; + } + if (s.AddrPC.Offset != 0) { + // we seem to have a valid PC + // show procedure info (SymGetSymFromAddr64()) + if (this->m_sw->pSGSFA(this->m_hProcess, + s.AddrPC.Offset, + &(csEntry.offsetFromSmybol), + pSym) + != FALSE) { + MyStrCpy(csEntry.name, STACKWALK_MAX_NAMELEN, pSym->Name); + // UnDecorateSymbolName() + this->m_sw->pUDSN(pSym->Name, + csEntry.undName, + STACKWALK_MAX_NAMELEN, + UNDNAME_NAME_ONLY); + this->m_sw->pUDSN(pSym->Name, + csEntry.undFullName, + STACKWALK_MAX_NAMELEN, + UNDNAME_COMPLETE); + } + else { + this->OnDbgHelpErr("SymGetSymFromAddr64", GetLastError(), s.AddrPC.Offset); + } + + // show line number info, NT5.0-method (SymGetLineFromAddr64()) + if (this->m_sw->pSGLFA != NULL) { // yes, we have SymGetLineFromAddr64() + if (this->m_sw->pSGLFA(this->m_hProcess, + s.AddrPC.Offset, + &(csEntry.offsetFromLine), + &Line) + != FALSE) { + csEntry.lineNumber = Line.LineNumber; + MyStrCpy(csEntry.lineFileName, STACKWALK_MAX_NAMELEN, Line.FileName); + } + else { + this->OnDbgHelpErr("SymGetLineFromAddr64", GetLastError(), s.AddrPC.Offset); + } + } // yes, we have SymGetLineFromAddr64() + + // show module info (SymGetModuleInfo64()) + if (this->m_sw->GetModuleInfo(this->m_hProcess, s.AddrPC.Offset, &Module) + != FALSE) { // got module info OK + switch (Module.SymType) { + case SymNone: + csEntry.symTypeString = "-nosymbols-"; + break; + case SymCoff: + csEntry.symTypeString = "COFF"; + break; + case SymCv: + csEntry.symTypeString = "CV"; + break; + case SymPdb: + csEntry.symTypeString = "PDB"; + break; + case SymExport: + csEntry.symTypeString = "-exported-"; + break; + case SymDeferred: + csEntry.symTypeString = "-deferred-"; + break; + case SymSym: + csEntry.symTypeString = "SYM"; + break; +#if API_VERSION_NUMBER >= 9 + case SymDia: + csEntry.symTypeString = "DIA"; + break; +#endif + case 8: // SymVirtual: + csEntry.symTypeString = "Virtual"; + break; + default: + //_snprintf( ty, sizeof(ty), "symtype=%ld", (long) Module.SymType ); + csEntry.symTypeString = NULL; + break; + } + + MyStrCpy(csEntry.moduleName, STACKWALK_MAX_NAMELEN, Module.ModuleName); + csEntry.baseOfImage = Module.BaseOfImage; + MyStrCpy(csEntry.loadedImageName, STACKWALK_MAX_NAMELEN, Module.LoadedImageName); + } // got module info OK + else { + this->OnDbgHelpErr("SymGetModuleInfo64", GetLastError(), s.AddrPC.Offset); + } + } // we seem to have a valid PC + + CallstackEntryType et = nextEntry; + if (frameNum == 0) { + et = firstEntry; + } + bLastEntryCalled = false; + this->OnCallstackEntry(et, csEntry); + + if (s.AddrReturn.Offset == 0) { + bLastEntryCalled = true; + this->OnCallstackEntry(lastEntry, csEntry); + SetLastError(ERROR_SUCCESS); + break; + } + } // for ( frameNum ) + +cleanup: + if (pSym) { + free(pSym); + } + + if (bLastEntryCalled == false) { + this->OnCallstackEntry(lastEntry, csEntry); + } + + if (context == NULL) { + ResumeThread(hThread); + } + + return TRUE; +} + +BOOL StackWalker::ShowObject(LPVOID pObject) +{ + // Load modules if not done yet + if (m_modulesLoaded == FALSE) { + this->LoadModules(); // ignore the result... + } + + // Verify that the DebugHelp.dll was actually found + if (this->m_sw->m_hDbhHelp == NULL) { + SetLastError(ERROR_DLL_INIT_FAILED); + return FALSE; + } + + // SymGetSymFromAddr64() is required + if (this->m_sw->pSGSFA == NULL) { + return FALSE; + } + + // Show object info (SymGetSymFromAddr64()) + DWORD64 dwAddress = DWORD64(pObject); + DWORD64 dwDisplacement = 0; + const SIZE_T symSize = sizeof(IMAGEHLP_SYMBOL64) + STACKWALK_MAX_NAMELEN; + IMAGEHLP_SYMBOL64* pSym = (IMAGEHLP_SYMBOL64*)malloc(symSize); + if (!pSym) { + return FALSE; + } + memset(pSym, 0, symSize); + pSym->SizeOfStruct = sizeof(IMAGEHLP_SYMBOL64); + pSym->MaxNameLength = STACKWALK_MAX_NAMELEN; + if (this->m_sw->pSGSFA(this->m_hProcess, dwAddress, &dwDisplacement, pSym) == FALSE) { + this->OnDbgHelpErr("SymGetSymFromAddr64", GetLastError(), dwAddress); + return FALSE; + } + // Object name output + this->OnOutput(pSym->Name); + + free(pSym); + return TRUE; +}; + +BOOL __stdcall StackWalker::myReadProcMem(HANDLE hProcess, + DWORD64 qwBaseAddress, + PVOID lpBuffer, + DWORD nSize, + LPDWORD lpNumberOfBytesRead) +{ + if (s_readMemoryFunction == NULL) { + SIZE_T st; + BOOL bRet = ReadProcessMemory(hProcess, (LPVOID)qwBaseAddress, lpBuffer, nSize, &st); + *lpNumberOfBytesRead = (DWORD)st; + // printf("ReadMemory: hProcess: %p, baseAddr: %p, buffer: %p, size: %d, read: %d, result: + // %d\n", hProcess, (LPVOID) qwBaseAddress, lpBuffer, nSize, (DWORD) st, (DWORD) bRet); + return bRet; + } + else { + return s_readMemoryFunction(hProcess, + qwBaseAddress, + lpBuffer, + nSize, + lpNumberOfBytesRead, + s_readMemoryFunction_UserData); + } +} + +void StackWalker::OnLoadModule(LPCSTR img, + LPCSTR mod, + DWORD64 baseAddr, + DWORD size, + DWORD result, + LPCSTR symType, + LPCSTR pdbName, + ULONGLONG fileVersion) +{ + CHAR buffer[STACKWALK_MAX_NAMELEN]; + size_t maxLen = STACKWALK_MAX_NAMELEN; +#if _MSC_VER >= 1400 + maxLen = _TRUNCATE; +#endif + if (fileVersion == 0) { + _snprintf_s(buffer, + maxLen, + "%s:%s (%p), size: %d (result: %d), SymType: '%s', PDB: '%s'\n", + img, + mod, + (LPVOID)baseAddr, + size, + result, + symType, + pdbName); + } + else { + DWORD v4 = (DWORD)(fileVersion & 0xFFFF); + DWORD v3 = (DWORD)((fileVersion >> 16) & 0xFFFF); + DWORD v2 = (DWORD)((fileVersion >> 32) & 0xFFFF); + DWORD v1 = (DWORD)((fileVersion >> 48) & 0xFFFF); + _snprintf_s(buffer, + maxLen, + "%s:%s (%p), size: %d (result: %d), SymType: '%s', PDB: '%s', fileVersion: " + "%d.%d.%d.%d\n", + img, + mod, + (LPVOID)baseAddr, + size, + result, + symType, + pdbName, + v1, + v2, + v3, + v4); + } + buffer[STACKWALK_MAX_NAMELEN - 1] = 0; // be sure it is NULL terminated + OnOutput(buffer); +} + +void StackWalker::OnCallstackEntry(CallstackEntryType eType, CallstackEntry& entry) +{ + CHAR buffer[STACKWALK_MAX_NAMELEN]; + size_t maxLen = STACKWALK_MAX_NAMELEN; +#if _MSC_VER >= 1400 + maxLen = _TRUNCATE; +#endif + if ((eType != lastEntry) && (entry.offset != 0)) { + if (entry.name[0] == 0) { + MyStrCpy(entry.name, STACKWALK_MAX_NAMELEN, "(function-name not available)"); + } + if (entry.undName[0] != 0) { + MyStrCpy(entry.name, STACKWALK_MAX_NAMELEN, entry.undName); + } + if (entry.undFullName[0] != 0) { + MyStrCpy(entry.name, STACKWALK_MAX_NAMELEN, entry.undFullName); + } + if (entry.lineFileName[0] == 0) { + MyStrCpy(entry.lineFileName, STACKWALK_MAX_NAMELEN, "(filename not available)"); + if (entry.moduleName[0] == 0) { + MyStrCpy(entry.moduleName, STACKWALK_MAX_NAMELEN, "(module-name not available)"); + } + _snprintf_s(buffer, + maxLen, + "%p (%s): %s: %s\n", + (LPVOID)entry.offset, + entry.moduleName, + entry.lineFileName, + entry.name); + } + else { + _snprintf_s(buffer, + maxLen, + "%s (%d): %s\n", + entry.lineFileName, + entry.lineNumber, + entry.name); + } + buffer[STACKWALK_MAX_NAMELEN - 1] = 0; + OnOutput(buffer); + } +} + +void StackWalker::OnDbgHelpErr(LPCSTR szFuncName, DWORD gle, DWORD64 addr) +{ + CHAR buffer[STACKWALK_MAX_NAMELEN]; + size_t maxLen = STACKWALK_MAX_NAMELEN; +#if _MSC_VER >= 1400 + maxLen = _TRUNCATE; +#endif + _snprintf_s(buffer, + maxLen, + "ERROR: %s, GetLastError: %d (Address: %p)\n", + szFuncName, + gle, + (LPVOID)addr); + buffer[STACKWALK_MAX_NAMELEN - 1] = 0; + OnOutput(buffer); +} + +void StackWalker::OnSymInit(LPCSTR szSearchPath, DWORD symOptions, LPCSTR szUserName) +{ + CHAR buffer[STACKWALK_MAX_NAMELEN]; + size_t maxLen = STACKWALK_MAX_NAMELEN; +#if _MSC_VER >= 1400 + maxLen = _TRUNCATE; +#endif + _snprintf_s(buffer, + maxLen, + "SymInit: Symbol-SearchPath: '%s', symOptions: %d, UserName: '%s'\n", + szSearchPath, + symOptions, + szUserName); + buffer[STACKWALK_MAX_NAMELEN - 1] = 0; + OnOutput(buffer); + // Also display the OS-version +#if _MSC_VER <= 1200 + OSVERSIONINFOA ver; + ZeroMemory(&ver, sizeof(OSVERSIONINFOA)); + ver.dwOSVersionInfoSize = sizeof(ver); + if (GetVersionExA(&ver) != FALSE) { + _snprintf_s(buffer, + maxLen, + "OS-Version: %d.%d.%d (%s)\n", + ver.dwMajorVersion, + ver.dwMinorVersion, + ver.dwBuildNumber, + ver.szCSDVersion); + buffer[STACKWALK_MAX_NAMELEN - 1] = 0; + OnOutput(buffer); + } +#else + OSVERSIONINFOEXA ver; + ZeroMemory(&ver, sizeof(OSVERSIONINFOEXA)); + ver.dwOSVersionInfoSize = sizeof(ver); +#if _MSC_VER >= 1900 +#pragma warning(push) +#pragma warning(disable : 4996) +#endif + if (GetVersionExA((OSVERSIONINFOA*)&ver) != FALSE) { + _snprintf_s(buffer, + maxLen, + "OS-Version: %d.%d.%d (%s) 0x%x-0x%x\n", + ver.dwMajorVersion, + ver.dwMinorVersion, + ver.dwBuildNumber, + ver.szCSDVersion, + ver.wSuiteMask, + ver.wProductType); + buffer[STACKWALK_MAX_NAMELEN - 1] = 0; + OnOutput(buffer); + } +#if _MSC_VER >= 1900 +#pragma warning(pop) +#endif +#endif +} + +void StackWalker::OnOutput(LPCSTR buffer) +{ + OutputDebugStringA(buffer); +} +// NOLINTEND +// clang-format on diff --git a/src/Base/StackWalker.h b/src/Base/StackWalker.h index e8d6df06998c..ed942a450aaa 100644 --- a/src/Base/StackWalker.h +++ b/src/Base/StackWalker.h @@ -1,200 +1,279 @@ -// clang-format off -/********************************************************************** - * - * StackWalker.h - * - * - * - * LICENSE (http://www.opensource.org/licenses/bsd-license.php) - * - * Copyright (c) 2005-2009, Jochen Kalmbach - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * Neither the name of Jochen Kalmbach nor the names of its contributors may be - * used to endorse or promote products derived from this software without - * specific prior written permission. - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * **********************************************************************/ - -#pragma once - -#ifndef FC_GLOBAL_H -#include -#endif - - -class StackWalkerInternal; // forward -class BaseExport StackWalker -{ -public: - typedef enum StackWalkOptions - { - // No addition info will be retrieved - // (only the address is available) - RetrieveNone = 0, - - // Try to get the symbol-name - RetrieveSymbol = 1, - - // Try to get the line for this symbol - RetrieveLine = 2, - - // Try to retrieve the module-infos - RetrieveModuleInfo = 4, - - // Also retrieve the version for the DLL/EXE - RetrieveFileVersion = 8, - - // Contains all the above - RetrieveVerbose = 0xF, - - // Generate a "good" symbol-search-path - SymBuildPath = 0x10, - - // Also use the public Microsoft-Symbol-Server - SymUseSymSrv = 0x20, - - // Contains all the above "Sym"-options - SymAll = 0x30, - - // Contains all options (default) - OptionsAll = 0x3F - } StackWalkOptions; - - StackWalker( - int options = OptionsAll, // 'int' is by design, to combine the enum-flags - LPCSTR szSymPath = NULL, - DWORD dwProcessId = GetCurrentProcessId(), - HANDLE hProcess = GetCurrentProcess() - ); - StackWalker(DWORD dwProcessId, HANDLE hProcess); - virtual ~StackWalker(); - - typedef BOOL (__stdcall *PReadProcessMemoryRoutine)( - HANDLE hProcess, - DWORD64 qwBaseAddress, - PVOID lpBuffer, - DWORD nSize, - LPDWORD lpNumberOfBytesRead, - LPVOID pUserData // optional data, which was passed in "ShowCallstack" - ); - - BOOL LoadModules(); - - BOOL ShowCallstack( - HANDLE hThread = GetCurrentThread(), - const CONTEXT *context = NULL, - PReadProcessMemoryRoutine readMemoryFunction = NULL, - LPVOID pUserData = NULL // optional to identify some data in the 'readMemoryFunction'-callback - ); - - enum { STACKWALK_MAX_NAMELEN = 1024 }; // max name length for found symbols - -protected: - // Entry for each Callstack-Entry - typedef struct CallstackEntry - { - DWORD64 offset; // if 0, we have no valid entry - CHAR name[STACKWALK_MAX_NAMELEN]; - CHAR undName[STACKWALK_MAX_NAMELEN]; - CHAR undFullName[STACKWALK_MAX_NAMELEN]; - DWORD64 offsetFromSmybol; - DWORD offsetFromLine; - DWORD lineNumber; - CHAR lineFileName[STACKWALK_MAX_NAMELEN]; - DWORD symType; - LPCSTR symTypeString; - CHAR moduleName[STACKWALK_MAX_NAMELEN]; - DWORD64 baseOfImage; - CHAR loadedImageName[STACKWALK_MAX_NAMELEN]; - } CallstackEntry; - - /*typedef*/ enum CallstackEntryType {firstEntry, nextEntry, lastEntry}; - - virtual void OnSymInit(LPCSTR szSearchPath, DWORD symOptions, LPCSTR szUserName); - virtual void OnLoadModule(LPCSTR img, LPCSTR mod, DWORD64 baseAddr, DWORD size, DWORD result, LPCSTR symType, LPCSTR pdbName, ULONGLONG fileVersion); - virtual void OnCallstackEntry(CallstackEntryType eType, CallstackEntry &entry); - virtual void OnDbgHelpErr(LPCSTR szFuncName, DWORD gle, DWORD64 addr); - virtual void OnOutput(LPCSTR szText); - - StackWalkerInternal *m_sw; - HANDLE m_hProcess; - DWORD m_dwProcessId; - BOOL m_modulesLoaded; - LPSTR m_szSymPath; - - int m_options; - int m_MaxRecursionCount; - - static BOOL __stdcall myReadProcMem(HANDLE hProcess, DWORD64 qwBaseAddress, PVOID lpBuffer, DWORD nSize, LPDWORD lpNumberOfBytesRead); - - friend StackWalkerInternal; -}; // class StackWalker - - -// The "ugly" assembler-implementation is needed for systems before XP -// If you have a new PSDK and you only compile for XP and later, then you can use -// the "RtlCaptureContext" -// Currently there is no define which determines the PSDK-Version... -// So we just use the compiler-version (and assumes that the PSDK is -// the one which was installed by the VS-IDE) - - -#if defined(_M_IX86) -#ifdef CURRENT_THREAD_VIA_EXCEPTION -// TODO: The following is not a "good" implementation, -// because the callstack is only valid in the "__except" block... -#define GET_CURRENT_CONTEXT(c, contextFlags) \ - do { \ - memset(&c, 0, sizeof(CONTEXT)); \ - EXCEPTION_POINTERS *pExp = NULL; \ - __try { \ - throw 0; \ - } __except( ( (pExp = GetExceptionInformation()) ? EXCEPTION_EXECUTE_HANDLER : EXCEPTION_EXECUTE_HANDLER)) {} \ - if (pExp != NULL) \ - memcpy(&c, pExp->ContextRecord, sizeof(CONTEXT)); \ - c.ContextFlags = contextFlags; \ - } while(0); -#else -// The following should be enough for walking the callstack... -#define GET_CURRENT_CONTEXT(c, contextFlags) \ - do { \ - memset(&c, 0, sizeof(CONTEXT)); \ - c.ContextFlags = contextFlags; \ - __asm call x \ - __asm x: pop eax \ - __asm mov c.Eip, eax \ - __asm mov c.Ebp, ebp \ - __asm mov c.Esp, esp \ - } while(0); -#endif - -#else - -// The following is defined for x86 (XP and higher), x64 and IA64: -#define GET_CURRENT_CONTEXT(c, contextFlags) \ - do { \ - memset(&c, 0, sizeof(CONTEXT)); \ - c.ContextFlags = contextFlags; \ - RtlCaptureContext(&c); \ -} while(0); -#endif -// clang-format on +// clang-format off +// NOLINTBEGIN +#ifndef __STACKWALKER_H__ +#define __STACKWALKER_H__ + +#if defined(_MSC_VER) + +/********************************************************************** + * + * StackWalker.h + * + * + * + * LICENSE (http://www.opensource.org/licenses/bsd-license.php) + * + * Copyright (c) 2005-2009, Jochen Kalmbach + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * Neither the name of Jochen Kalmbach nor the names of its contributors may be + * used to endorse or promote products derived from this software without + * specific prior written permission. + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * **********************************************************************/ +// #pragma once is supported starting with _MSC_VER 1000, +// so we need not to check the version (because we only support _MSC_VER >= 1100)! +#pragma once + +#include +#ifndef FC_GLOBAL_H +#include +#endif + +// special defines for VC5/6 (if no actual PSDK is installed): +#if _MSC_VER < 1300 +typedef unsigned __int64 DWORD64, *PDWORD64; +#if defined(_WIN64) +typedef unsigned __int64 SIZE_T, *PSIZE_T; +#else +typedef unsigned long SIZE_T, *PSIZE_T; +#endif +#endif // _MSC_VER < 1300 + +class StackWalkerInternal; // forward +class BaseExport StackWalker +{ +public: + typedef enum ExceptType + { + NonExcept = 0, // RtlCaptureContext + AfterExcept = 1, + AfterCatch = 2, // get_current_exception_context + } ExceptType; + + typedef enum StackWalkOptions + { + // No addition info will be retrieved + // (only the address is available) + RetrieveNone = 0, + + // Try to get the symbol-name + RetrieveSymbol = 1, + + // Try to get the line for this symbol + RetrieveLine = 2, + + // Try to retrieve the module-infos + RetrieveModuleInfo = 4, + + // Also retrieve the version for the DLL/EXE + RetrieveFileVersion = 8, + + // Contains all the above + RetrieveVerbose = 0xF, + + // Generate a "good" symbol-search-path + SymBuildPath = 0x10, + + // Also use the public Microsoft-Symbol-Server + SymUseSymSrv = 0x20, + + // Contains all the above "Sym"-options + SymAll = 0x30, + + // Contains all options (default) + OptionsAll = 0x3F + } StackWalkOptions; + + StackWalker(ExceptType extype, int options = OptionsAll, PEXCEPTION_POINTERS exp = NULL); + + StackWalker(int options = OptionsAll, // 'int' is by design, to combine the enum-flags + LPCSTR szSymPath = NULL, + DWORD dwProcessId = GetCurrentProcessId(), + HANDLE hProcess = GetCurrentProcess()); + + StackWalker(DWORD dwProcessId, HANDLE hProcess); + + virtual ~StackWalker(); + + bool SetSymPath(LPCSTR szSymPath); + + bool SetTargetProcess(DWORD dwProcessId, HANDLE hProcess); + + PCONTEXT GetCurrentExceptionContext(); + +private: + bool Init(ExceptType extype, int options, LPCSTR szSymPath, DWORD dwProcessId, + HANDLE hProcess, PEXCEPTION_POINTERS exp = NULL); + +public: + typedef BOOL(__stdcall* PReadProcessMemoryRoutine)( + HANDLE hProcess, + DWORD64 qwBaseAddress, + PVOID lpBuffer, + DWORD nSize, + LPDWORD lpNumberOfBytesRead, + LPVOID pUserData // optional data, which was passed in "ShowCallstack" + ); + + BOOL LoadModules(); + + BOOL ShowCallstack( + HANDLE hThread = GetCurrentThread(), + const CONTEXT* context = NULL, + PReadProcessMemoryRoutine readMemoryFunction = NULL, + LPVOID pUserData = NULL // optional to identify some data in the 'readMemoryFunction'-callback + ); + + BOOL ShowObject(LPVOID pObject); + +#if _MSC_VER >= 1300 + // due to some reasons, the "STACKWALK_MAX_NAMELEN" must be declared as "public" + // in older compilers in order to use it... starting with VC7 we can declare it as "protected" +protected: +#endif + enum + { + STACKWALK_MAX_NAMELEN = 1024 + }; // max name length for found symbols + +protected: + // Entry for each Callstack-Entry + typedef struct CallstackEntry + { + DWORD64 offset; // if 0, we have no valid entry + CHAR name[STACKWALK_MAX_NAMELEN]; + CHAR undName[STACKWALK_MAX_NAMELEN]; + CHAR undFullName[STACKWALK_MAX_NAMELEN]; + DWORD64 offsetFromSmybol; + DWORD offsetFromLine; + DWORD lineNumber; + CHAR lineFileName[STACKWALK_MAX_NAMELEN]; + DWORD symType; + LPCSTR symTypeString; + CHAR moduleName[STACKWALK_MAX_NAMELEN]; + DWORD64 baseOfImage; + CHAR loadedImageName[STACKWALK_MAX_NAMELEN]; + } CallstackEntry; + + typedef enum CallstackEntryType + { + firstEntry, + nextEntry, + lastEntry + } CallstackEntryType; + + virtual void OnSymInit(LPCSTR szSearchPath, DWORD symOptions, LPCSTR szUserName); + virtual void OnLoadModule(LPCSTR img, + LPCSTR mod, + DWORD64 baseAddr, + DWORD size, + DWORD result, + LPCSTR symType, + LPCSTR pdbName, + ULONGLONG fileVersion); + virtual void OnCallstackEntry(CallstackEntryType eType, CallstackEntry& entry); + virtual void OnDbgHelpErr(LPCSTR szFuncName, DWORD gle, DWORD64 addr); + virtual void OnOutput(LPCSTR szText); + + StackWalkerInternal* m_sw; + HANDLE m_hProcess; + DWORD m_dwProcessId; + BOOL m_modulesLoaded; + LPSTR m_szSymPath; + + int m_options; + int m_MaxRecursionCount; + + static BOOL __stdcall myReadProcMem(HANDLE hProcess, + DWORD64 qwBaseAddress, + PVOID lpBuffer, + DWORD nSize, + LPDWORD lpNumberOfBytesRead); + + friend StackWalkerInternal; +}; // class StackWalker + +// The "ugly" assembler-implementation is needed for systems before XP +// If you have a new PSDK and you only compile for XP and later, then you can use +// the "RtlCaptureContext" +// Currently there is no define which determines the PSDK-Version... +// So we just use the compiler-version (and assumes that the PSDK is +// the one which was installed by the VS-IDE) + +// INFO: If you want, you can use the RtlCaptureContext if you only target XP and later... +// But I currently use it in x64/IA64 environments... +//#if defined(_M_IX86) && (_WIN32_WINNT <= 0x0500) && (_MSC_VER < 1400) + +#if defined(_M_IX86) +#ifdef CURRENT_THREAD_VIA_EXCEPTION +// TODO: The following is not a "good" implementation, +// because the callstack is only valid in the "__except" block... +#define GET_CURRENT_CONTEXT_STACKWALKER_CODEPLEX(c, contextFlags) \ + do \ + { \ + memset(&c, 0, sizeof(CONTEXT)); \ + EXCEPTION_POINTERS* pExp = NULL; \ + __try \ + { \ + throw 0; \ + } \ + __except (((pExp = GetExceptionInformation()) ? EXCEPTION_EXECUTE_HANDLER \ + : EXCEPTION_EXECUTE_HANDLER)) \ + { \ + } \ + if (pExp != NULL) \ + memcpy(&c, pExp->ContextRecord, sizeof(CONTEXT)); \ + c.ContextFlags = contextFlags; \ + } while (0); +#else +// clang-format off +// The following should be enough for walking the callstack... +#define GET_CURRENT_CONTEXT_STACKWALKER_CODEPLEX(c, contextFlags) \ + do \ + { \ + memset(&c, 0, sizeof(CONTEXT)); \ + c.ContextFlags = contextFlags; \ + __asm call x \ + __asm x: pop eax \ + __asm mov c.Eip, eax \ + __asm mov c.Ebp, ebp \ + __asm mov c.Esp, esp \ + } while (0) +// clang-format on +#endif + +#else + +// The following is defined for x86 (XP and higher), x64 and IA64: +#define GET_CURRENT_CONTEXT_STACKWALKER_CODEPLEX(c, contextFlags) \ + do { \ + memset(&c, 0, sizeof(CONTEXT)); \ + c.ContextFlags = contextFlags; \ + RtlCaptureContext(&c); \ + } while (0); +#endif + +#endif // defined(_MSC_VER) + +#endif // __STACKWALKER_H__ +// NOLINTEND +// clang-format on