Index: .gitignore =================================================================== --- .gitignore (revision caa23593f34ce4a260439ad618e8c7b567d3f87b) +++ .gitignore (revision d9b6a1c5928db418f1226ed7e59f18eff16252df) @@ -5,4 +5,5 @@ gl.log +crash.log imgui.ini Index: Compiler.h =================================================================== --- Compiler.h (revision d9b6a1c5928db418f1226ed7e59f18eff16252df) +++ Compiler.h (revision d9b6a1c5928db418f1226ed7e59f18eff16252df) @@ -0,0 +1,18 @@ +#ifndef COMPILER_H +#define COMPILER_H + +#if defined _WIN64 + #define WINDOWS +#elif defined _WIN32 + #define WINDOWS +#elif defined __linux + #define LINUX +#elif defined __unix + #define LINUX +#elif defined __posix + #define LINUX +#elif defined __APPLE__ + #define MAC +#endif + +#endif Index: CrashLogger.cpp =================================================================== --- CrashLogger.cpp (revision d9b6a1c5928db418f1226ed7e59f18eff16252df) +++ CrashLogger.cpp (revision d9b6a1c5928db418f1226ed7e59f18eff16252df) @@ -0,0 +1,148 @@ +#include "CrashLogger.h" + +#include +#include +#include + +#include + +#include "Compiler.h" + +#ifdef WINDOWS + // most of this can be removed since Windows uses __try __catch instead of signals + + #include + #include "StackWalker.h" + + #include + #include + + // The windows analogues to the unix open, close, and write functions + // are _open, _close, and _write. These #defines let me use the same name in all cases. + #define open _open + #define close _close + #define write _write + + #define STDERR_FILENO 2 +#else + #include + #include + #include + #include + #include +#endif + +CrashLogger::CrashLogger() { + // Apparently, sigaction should be used instead for Linux + // It gives more info. Check if I should bother switching + + signal(SIGABRT, abortHandler); + signal(SIGSEGV, abortHandler); + signal(SIGILL, abortHandler); + signal(SIGFPE, abortHandler); + + write(STDERR_FILENO, "Handlers attached\n", 18); +} + +CrashLogger::~CrashLogger() { +} + +static inline void printStackTrace(int fd_out = STDERR_FILENO) { + write(fd_out, "stack trace:\n", 13); + + // storage array for stack trace address data + void* addrlist[64]; + + // retrieve current stack addresses + uint32_t addrlen = backtrace(addrlist, sizeof(addrlist) / sizeof(void*)); + + if (addrlen == 0) { + write(fd_out, " \n", 3); + return; + } + + // create readable strings to each frame. + char** symbollist = backtrace_symbols(addrlist, addrlen); + + size_t funcnamesize = 1024; + char* funcname = (char*)malloc(funcnamesize); + + // iterate over the returned symbol lines + // skip the first few, since those are printStackTrace, abortHandler, + // and a couple others called after the crash + for (unsigned int i = 4; i < addrlen; i++) { + char* begin_name = NULL; + char* begin_offset = NULL; + char* end_offset = NULL; // Iirc, this is used in the Linux code + + #ifdef MAC + for (char *p = symbollist[i]; *p; p++) { + if ((*p == '_') && (*(p-1) == ' ')) { + begin_name = p-1; + } else if(*p == '+') { + begin_offset = p-1; + } + } + + if (begin_name && begin_offset && (begin_name < begin_offset )) { + *begin_name++ = '\0'; + *begin_offset++ = '\0'; + + // mangled name is now in [begin_name, begin_offset) and caller + // offset in [begin_offset, end_offset). now apply + // __cxa_demangle(): + int status; + char* ret = abi::__cxa_demangle(begin_name, funcname, &funcnamesize, &status); + + if (status == 0) { + funcname = ret; // use possibly realloc()-ed string + write(fd_out, symbollist[i], strlen(symbollist[i])); + write(fd_out, " ", 1); + write(fd_out, funcname, strlen(funcname)); + write(fd_out, " ", 1); + write(fd_out, begin_offset, strlen(begin_offset)); + } else { + // demangling failed. Output function name as a C function with no arguments. + write(fd_out, "Error\n", 6); + write(fd_out, symbollist[i], strlen(symbollist[i])); + write(fd_out, " ", 1); + write(fd_out, begin_name, strlen(begin_name)); + write(fd_out, "() ", 3); + write(fd_out, begin_offset, strlen(begin_offset)); + } + } else { + // couldn't parse the line? print the whole line. + write(fd_out, symbollist[i], strlen(symbollist[i])); + } + write(fd_out, "\n", 1); + #else + // Check that this works on Linux Mint + write(fd_out, symbollist[i], strlen(symbollist[i])); + write(fd_out, "\n", 1); + #endif + } + + free(funcname); + free(symbollist); + + write(fd_out, "End of stack trace\n", 19); +} + +// Most of this function could probably be shared between Windows and Linux/Mac +void abortHandler(int signum) { + #ifdef WINDOWS + int crash_log = open("crash.log", O_RDWR | O_CREAT | O_APPEND, _S_IREAD | _S_IWRITE); + #else + int crash_log = open("crash.log", O_RDWR | O_CREAT | O_APPEND, S_IRUSR | S_IWUSR); + #endif + + if (crash_log == -1) { + perror("opening crash.log"); // TODO: Figure out exactly what perror does and if I should use it + } + + printStackTrace(crash_log); + + close(crash_log); + + exit(signum); +} Index: CrashLogger.h =================================================================== --- CrashLogger.h (revision d9b6a1c5928db418f1226ed7e59f18eff16252df) +++ CrashLogger.h (revision d9b6a1c5928db418f1226ed7e59f18eff16252df) @@ -0,0 +1,12 @@ +#ifndef CRASH_LOGGER_H +#define CRASH_LOGGER_H + +class CrashLogger { +public: + CrashLogger(); + ~CrashLogger(); +}; + +void abortHandler(int signum); + +#endif Index: FileStackWalker.cpp =================================================================== --- FileStackWalker.cpp (revision d9b6a1c5928db418f1226ed7e59f18eff16252df) +++ FileStackWalker.cpp (revision d9b6a1c5928db418f1226ed7e59f18eff16252df) @@ -0,0 +1,10 @@ +#include "FileStackWalker.h" + +FileStackWalker::FileStackWalker(int fd_out) : StackWalker() { + this->fd_out = fd_out; +} + +void FileStackWalker::OnOutput(LPCSTR szText) { + write(fd_out, szText, strlen(szText)); + StackWalker::OnOutput(szText); +} Index: FileStackWalker.h =================================================================== --- FileStackWalker.h (revision d9b6a1c5928db418f1226ed7e59f18eff16252df) +++ FileStackWalker.h (revision d9b6a1c5928db418f1226ed7e59f18eff16252df) @@ -0,0 +1,15 @@ +#ifndef FILE_STACK_WALKER_H +#define FILE_STACK_WALKER_H + +#include "StackWalker.h" + +class FileStackWalker : public StackWalker { +public: + FileStackWalker(int fd_out); +protected: + int fd_out; + + virtual void OnOutput(LPCSTR szText); +}; + +#endif Index: NewOpenGLGame.vcxproj =================================================================== --- NewOpenGLGame.vcxproj (revision caa23593f34ce4a260439ad618e8c7b567d3f87b) +++ NewOpenGLGame.vcxproj (revision d9b6a1c5928db418f1226ed7e59f18eff16252df) @@ -135,4 +135,5 @@ + @@ -141,8 +142,10 @@ + + @@ -152,4 +155,5 @@ + Index: StackWalker.cpp =================================================================== --- StackWalker.cpp (revision d9b6a1c5928db418f1226ed7e59f18eff16252df) +++ StackWalker.cpp (revision d9b6a1c5928db418f1226ed7e59f18eff16252df) @@ -0,0 +1,1469 @@ +/********************************************************************** + * + * 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 "StackWalker.h" + +#include +#include +#include +#include +#pragma comment(lib, "version.lib") // for "VerQueryValue" +#pragma warning(disable : 4826) + + +// 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) + { + 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 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 (szSymPath != NULL) + m_szSymPath = _strdup(szSymPath); + if (this->pSI(m_hProcess, m_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; + + 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 + }; + + 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 + }; +#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) != 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; + } +}; + +// ############################################################# +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 != 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, "*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 == 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 + { + 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; +#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; + IMAGEHLP_SYMBOL64* pSym = + (IMAGEHLP_SYMBOL64*)malloc(sizeof(IMAGEHLP_SYMBOL64) + STACKWALK_MAX_NAMELEN); + memset(pSym, 0, sizeof(IMAGEHLP_SYMBOL64) + STACKWALK_MAX_NAMELEN); + 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); +} Index: StackWalker.h =================================================================== --- StackWalker.h (revision d9b6a1c5928db418f1226ed7e59f18eff16252df) +++ StackWalker.h (revision d9b6a1c5928db418f1226ed7e59f18eff16252df) @@ -0,0 +1,255 @@ +#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 + +#if _MSC_VER >= 1900 +#pragma warning(disable : 4091) +#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 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 + ); + + 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__ Index: makefile =================================================================== --- makefile (revision caa23593f34ce4a260439ad618e8c7b567d3f87b) +++ makefile (revision d9b6a1c5928db418f1226ed7e59f18eff16252df) @@ -1,5 +1,5 @@ OS = $(shell uname) CC = g++ -CFLAGS = -std=c++0x -Wall -pedantic#-Wextra +CFLAGS = -std=c++0x -Wall -pedantic#-Wextra -fno-inline ifeq ($(OS),Darwin) @@ -15,5 +15,5 @@ # as this well prevent regenerating .o files for unchanged .cpp files -newgame: new-game.cpp logger.cpp stb_image.cpp imgui_impl_glfw_gl3.cpp $(IMGUI_FILES) +newgame: new-game.cpp logger.cpp stb_image.cpp imgui_impl_glfw_gl3.cpp CrashLogger.cpp $(IMGUI_FILES) $(CC) $^ $(DEP) $(CFLAGS) -o $@ Index: new-game.cpp =================================================================== --- new-game.cpp (revision caa23593f34ce4a260439ad618e8c7b567d3f87b) +++ new-game.cpp (revision d9b6a1c5928db418f1226ed7e59f18eff16252df) @@ -32,4 +32,17 @@ #include "logger.h" #include "utils.h" + +#include "Compiler.h" + +#ifdef WINDOWS + #include + #include + #include + + #include "FileStackWalker.h" +#else + // TODO: Move as much Windows crash-logging stuff into CrashLogger as well + #include "CrashLogger.h" +#endif using namespace std; @@ -212,8 +225,4 @@ void calculateObjectBoundingBox(SceneObject* obj); -void initializeParticleEffectBuffers(map& shaderBufferInfo, - map& modelGroups, - GLuint ubo); - void populateBuffers(vector& objects, map& shaderBufferInfo, @@ -297,5 +306,39 @@ */ +CrashLogger logger; + +// Helps to test logging during crashes +/* +void badFunc() { + int* test = NULL; + *test = 1; +} +*/ + +#ifdef WINDOWS + +// Give it a file handle to crash.log instead (using the code in CrashLogger.cpp) +FileStackWalker sw(2); + +bool handleException(unsigned int expCode, EXCEPTION_POINTERS* pExp, HANDLE thread); +#endif + int main(int argc, char* argv[]) { +#ifdef WINDOWS + __try { + __main(argc, argv); + // maybe do this and call a function inside CrashLogger + // In that case, also pass GetCurrentThread() as a parameter to then pass to handleException + // I could also move almost all of this into CrashLogger by creating a function in CrashLogger that takes a reference + // to the effective main function and, for Windows, wraps it in all this error-handling stuff + } __except( handleException(GetExceptionCode(), GetExceptionInformation(), GetCurrentThread()) ? EXCEPTION_EXECUTE_HANDLER : EXCEPTION_EXECUTE_HANDLER) { + _write(2, "CAUGHT\n", 7); + } + + exit(0); +} + +int __main(int argc, char* argv[]) { +#endif cout << "New OpenGL Game" << endl; @@ -309,5 +352,5 @@ } -#ifdef __APPLE__ +#ifdef MAC glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3); glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3); @@ -973,7 +1016,19 @@ delete *it; } - - return 0; -} +} + +#ifdef WINDOWS +bool handleException(unsigned int expCode, EXCEPTION_POINTERS* pExp, HANDLE thread) { + if (pExp != NULL) { + sw.ShowCallstack(thread, pExp->ContextRecord); + } + + if (expCode == EXCEPTION_ACCESS_VIOLATION) { + _write(2, "ACCESS VIOLATION\n", 17); + } + + return true; +} +#endif void glfw_error_callback(int error, const char* description) {