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boinc/lib/stackwalker_win.cpp

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// $Id$
//
/*////////////////////////////////////////////////////////////////////////////
* Project:
* Memory_and_Exception_Trace
*
* ///////////////////////////////////////////////////////////////////////////
* File:
* Stackwalker.cpp
*
* Remarks:
* Dumps the stack of an thread if an exception occurs
*
* Author:
* Jochen Kalmbach, Germany
* (c) 2002-2003 (Freeware)
* http://www.codeproject.com/tools/leakfinder.asp
*
* License (The zlib/libpng License, http://www.opensource.org/licenses/zlib-license.php):
*
* Copyright (c) 2003 Jochen Kalmbach
*
* This software is provided 'as-is', without any express or implied warranty.
* In no event will the authors be held liable for any damages arising from the
* use of this software.
*
* Permission is granted to anyone to use this software for any purpose, including
* commercial applications, and to alter it and redistribute it freely, subject to
* the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not claim
* that you wrote the original software. If you use this software in a product,
* an acknowledgment in the product documentation would be appreciated but is
* not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source distribution.
*
*//////////////////////////////////////////////////////////////////////////////
#if defined(_WIN32)
#include "boinc_win.h"
#endif
#include "diagnostics.h"
#include "str_replace.h"
#include "str_util.h"
#include "stackwalker_win.h"
#include "stackwalker_imports.h"
// Link to dbghelp.dll and version.dll dynamically at runtime so we
// can be specific about which version we are getting and where
// we are getting it from
static tIAV pIAV = NULL; // ImagehlpApiVersion()
static tSC pSC = NULL; // SymCleanup()
static tSEM pSEM = NULL; // SymEnumerateModules64()
static tSFTA pSFTA = NULL; // SymFunctionTableAccess64()
static tSGLFA pSGLFA = NULL; // SymGetLineFromAddr64()
static tSGMB pSGMB = NULL; // SymGetModuleBase64()
static tSGMI pSGMI = NULL; // SymGetModuleInfo64()
static tSGO pSGO = NULL; // SymGetOptions()
static tSGSP pSGSP = NULL; // SymGetSearchPath()
static tSFA pSFA = NULL; // SymFromAddr()
static tSI pSI = NULL; // SymInitialize()
static tSLM pSLM = NULL; // SymLoadModuleEx()
static tSRC pSRC = NULL; // SymRegisterCallback64()
static tSSO pSSO = NULL; // SymSetOptions()
static tSW pSW = NULL; // StackWalk()
static tUDSN pUDSN = NULL; // UnDecorateSymbolName()
static tSSSO pSSSO = NULL; // SymbolServerSetOptions
static tSDD pSDD = NULL; // SetDllDirectory
static tGFVIS pGFVIS = NULL; // GetFileVersionInfoSize
static tGFVI pGFVI = NULL; // GetFileVersionInfo
static tVQV pVQV = NULL; // VerQueryValue
// Forward definitions of functions:
static void ShowStackRM(HANDLE hThread, CONTEXT& c);
// Global data:
static BOOL g_bInitialized = FALSE;
static HANDLE g_hProcess = NULL;
static HMODULE g_hDbgHelpDll = NULL;
static HMODULE g_hSymSrvDll = NULL;
static HMODULE g_hSrcSrvDll = NULL;
static HMODULE g_hVersionDll = NULL;
static CRITICAL_SECTION g_csFileOpenClose = {0};
// ##########################################################################################
// ##########################################################################################
// ##########################################################################################
// ##########################################################################################
bool DebuggerLoadLibrary(
HINSTANCE* lphInstance, const std::string strBOINCLocation, const std::string strLibrary
)
{
std::string strTargetLibrary;
if (strBOINCLocation.empty()) {
strTargetLibrary = strLibrary;
} else {
strTargetLibrary = strBOINCLocation + "\\" + strLibrary;
}
*lphInstance = LoadLibraryA( strTargetLibrary.c_str() );
if ( *lphInstance == NULL )
{
fprintf(stderr, "LoadLibraryA( %s ): GetLastError = %lu\n", strTargetLibrary.c_str(), gle);
strTargetLibrary = strLibrary;
*lphInstance = LoadLibraryA( strTargetLibrary.c_str() );
if ( *lphInstance == NULL )
{
fprintf(stderr, "LoadLibraryA( %s ): GetLastError = %lu\n", strTargetLibrary.c_str(), gle);
return false;
}
}
fprintf(stderr, "Loaded Library : %s\n", strTargetLibrary.c_str());
return true;
}
BOOL CALLBACK SymbolServerCallbackProc64(UINT_PTR ActionCode, ULONG64 CallbackData, ULONG64 /* UserContext */)
{
BOOL bRetVal = FALSE;
PIMAGEHLP_CBA_EVENT pEvent = NULL;
switch(ActionCode) {
case SSRVACTION_EVENT:
pEvent = (PIMAGEHLP_CBA_EVENT)CallbackData;
switch(pEvent->severity) {
case sevInfo:
fprintf(stderr, "SSRVINFO: %s\n", pEvent->desc);
break;
case sevProblem:
fprintf(stderr, "SSRVPROB: %s\n", pEvent->desc);
break;
case sevAttn:
fprintf(stderr, "SSRVATTN: %s\n", pEvent->desc);
break;
case sevFatal:
fprintf(stderr, "SSRVFATAL: %s\n", pEvent->desc);
break;
}
bRetVal = TRUE;
break;
case SSRVACTION_TRACE:
fprintf(stderr, "SSRVDEBUG: %s\n", (PCTSTR)CallbackData);
bRetVal = TRUE;
break;
}
return bRetVal;
}
BOOL CALLBACK SymRegisterCallbackProc64(HANDLE /* hProcess */, ULONG ActionCode, ULONG64 CallbackData, ULONG64 /* UserContext */)
{
BOOL bRetVal = FALSE;
PIMAGEHLP_CBA_EVENT pEvent = NULL;
switch(ActionCode) {
case CBA_EVENT:
pEvent = (PIMAGEHLP_CBA_EVENT)CallbackData;
switch(pEvent->severity) {
case sevInfo:
fprintf(stderr, "INFO: %s\n", pEvent->desc);
break;
case sevProblem:
fprintf(stderr, "PROB: %s\n", pEvent->desc);
break;
case sevAttn:
fprintf(stderr, "ATTN: %s\n", pEvent->desc);
break;
case sevFatal:
fprintf(stderr, "FATAL: %s\n", pEvent->desc);
break;
}
bRetVal = TRUE;
break;
case CBA_DEBUG_INFO:
fprintf(stderr, "DEBUG: %s\n", (PCTSTR)CallbackData);
bRetVal = TRUE;
break;
}
return bRetVal;
}
BOOL CALLBACK SymEnumerateModulesProc64(LPCSTR /* ModuleName */, DWORD64 BaseOfDll, PVOID /* UserContext */)
{
IMAGEHLP_MODULE64 Module;
char szSymbolType[32];
DWORD dwHandle;
LPVOID lpData;
DWORD dwSize;
char szQuery[256];
LPVOID lpVar;
UINT uiVarSize;
VS_FIXEDFILEINFO* pFileInfo;
char szVersionInfo[24];
char szCompanyName[256];
char szProductName[256];
char szFileVersion[256];
char szProductVersion[256];
bool bFileVersionSupported = false;
bool bFileVersionRetrieved = false;
struct LANGANDCODEPAGE {
WORD wLanguage;
WORD wCodePage;
} *lpTranslate;
memset( &Module, '\0', sizeof(IMAGEHLP_MODULE64) );
Module.SizeOfStruct = sizeof(IMAGEHLP_MODULE64);
memset( &szSymbolType, '\0', sizeof(szSymbolType) );
memset( &szQuery, '\0', sizeof(szQuery) );
memset( &szVersionInfo, '\0', sizeof(szVersionInfo) );
memset( &szCompanyName, '\0', sizeof(szCompanyName) );
memset( &szProductName, '\0', sizeof(szProductName) );
memset( &szFileVersion, '\0', sizeof(szFileVersion) );
memset( &szProductVersion, '\0', sizeof(szProductVersion) );
if ( !pSGMI( g_hProcess, BaseOfDll, &Module ) )
{
fprintf(stderr, "SymGetModuleInfo(): GetLastError = %lu\n", gle);
}
else
{
switch ( Module.SymType )
{
case SymNone:
safe_strcpy( szSymbolType, "-nosymbols-" );
break;
case SymCoff:
safe_strcpy( szSymbolType, "COFF" );
break;
case SymCv:
safe_strcpy( szSymbolType, "CV" );
break;
case SymPdb:
safe_strcpy( szSymbolType, "PDB" );
break;
case SymExport:
safe_strcpy( szSymbolType, "-exported-" );
break;
case SymDeferred:
safe_strcpy( szSymbolType, "-deferred-" );
break;
case SymSym:
safe_strcpy( szSymbolType, "SYM" );
break;
default:
snprintf( szSymbolType, sizeof(szSymbolType), "symtype=%ld", (long) Module.SymType );
break;
}
}
// Get File Version Information
//
bFileVersionSupported = (NULL != pGFVIS) && (NULL != pGFVI) && (NULL != pVQV);
if (bFileVersionSupported) {
dwSize = pGFVIS(Module.LoadedImageName, &dwHandle);
if (dwSize) {
lpData = (LPVOID)malloc(dwSize);
if(pGFVI(Module.LoadedImageName, dwHandle, dwSize, lpData)) {
bFileVersionRetrieved = true;
// Which language should be used to lookup the structure?
safe_strcpy(szQuery, "\\VarFileInfo\\Translation");
pVQV(lpData, szQuery, (LPVOID*)&lpTranslate, &uiVarSize);
// Version specified as part of the root record.
if (pVQV(lpData, "\\", (LPVOID*)&pFileInfo, &uiVarSize)) {
snprintf(szVersionInfo, sizeof(szVersionInfo), "%d.%d.%d.%d",
HIWORD(pFileInfo->dwFileVersionMS),
LOWORD(pFileInfo->dwFileVersionMS),
HIWORD(pFileInfo->dwFileVersionLS),
LOWORD(pFileInfo->dwFileVersionLS)
); }
// Company Name.
snprintf(szQuery, sizeof(szQuery), "\\StringFileInfo\\%04x%04x\\CompanyName",
lpTranslate[0].wLanguage,
lpTranslate[0].wCodePage
);
if (pVQV(lpData, szQuery, &lpVar, &uiVarSize)) {
uiVarSize = snprintf(szCompanyName, sizeof(szCompanyName), "%s", lpVar);
if ((sizeof(szCompanyName) == uiVarSize) || (-1 == uiVarSize)) {
szCompanyName[255] = '\0';
}
} else {
fprintf(stderr, "Get Company Name Failed.\n");
}
// Product Name.
snprintf(szQuery, sizeof(szQuery), "\\StringFileInfo\\%04x%04x\\ProductName",
lpTranslate[0].wLanguage,
lpTranslate[0].wCodePage
);
if (pVQV(lpData, szQuery, &lpVar, &uiVarSize)) {
uiVarSize = snprintf(szProductName, sizeof(szProductName), "%s", lpVar);
if ((sizeof(szProductName) == uiVarSize) || (-1 == uiVarSize)) {
szProductName[255] = '\0';
}
} else {
fprintf(stderr, "Get Product Name Failed.\n");
}
// File Version.
snprintf(szQuery, sizeof(szQuery), "\\StringFileInfo\\%04x%04x\\FileVersion",
lpTranslate[0].wLanguage,
lpTranslate[0].wCodePage
);
if (pVQV(lpData, szQuery, &lpVar, &uiVarSize)) {
uiVarSize = snprintf(szFileVersion, sizeof(szFileVersion), "%s", lpVar);
if ((sizeof(szFileVersion) == uiVarSize) || (-1 == uiVarSize)) {
szFileVersion[255] = '\0';
}
}
// Product Version.
snprintf(szQuery, sizeof(szQuery), "\\StringFileInfo\\%04x%04x\\ProductVersion",
lpTranslate[0].wLanguage,
lpTranslate[0].wCodePage
);
if (pVQV(lpData, szQuery, &lpVar, &uiVarSize)) {
uiVarSize = snprintf(szProductVersion, sizeof(szProductVersion), "%s", lpVar);
if ((sizeof(szProductVersion) == uiVarSize) || (-1 == uiVarSize)) {
szProductVersion[255] = '\0';
}
}
free(lpData);
}
}
}
fprintf(stderr, "ModLoad: ");
fprintf(stderr, "%.16x " , Module.BaseOfImage);
fprintf(stderr, "%.16x " , Module.ImageSize);
fprintf(stderr, "%s " , Module.LoadedImageName);
if (bFileVersionSupported && bFileVersionRetrieved) {
fprintf(stderr, "(%s) " , szVersionInfo);
}
fprintf(stderr, "(%s Symbols Loaded)" , szSymbolType);
fprintf(stderr, "\n");
#ifndef __MINGW32__
fprintf(stderr, " Linked PDB Filename : %s\n" , Module.CVData);
#endif
if (bFileVersionSupported && bFileVersionRetrieved) {
fprintf(stderr, " File Version : %s\n" , szFileVersion);
fprintf(stderr, " Company Name : %s\n" , szCompanyName);
fprintf(stderr, " Product Name : %s\n" , szProductName);
fprintf(stderr, " Product Version : %s\n" , szProductVersion);
}
fprintf(stderr, "\n");
return TRUE;
}
int DebuggerInitialize( LPCSTR pszBOINCLocation, LPCSTR pszSymbolStore, BOOL bProxyEnabled, LPCSTR pszProxyServer )
{
if (g_bInitialized != FALSE)
return 0;
// Get a real handle to the current process and store it for future use.
DuplicateHandle(
GetCurrentProcess(),
GetCurrentProcess(),
GetCurrentProcess(),
&g_hProcess,
0,
false,
DUPLICATE_SAME_ACCESS
);
if (!DebuggerLoadLibrary(&g_hDbgHelpDll, pszBOINCLocation, "dbghelp.dll")) {
g_bInitialized = FALSE;
return 1;
}
DebuggerLoadLibrary(&g_hSymSrvDll, pszBOINCLocation, "symsrv.dll");
DebuggerLoadLibrary(&g_hSrcSrvDll, pszBOINCLocation, "srcsrv.dll");
DebuggerLoadLibrary(&g_hVersionDll, pszBOINCLocation, "version.dll");
if (g_hSymSrvDll) {
pSSSO = (tSSSO)GetProcAddress(g_hSymSrvDll, "SymbolServerSetOptions");
if (pSSSO) {
if (!pSSSO(SSRVOPT_TRACE, (ULONG64)TRUE)) {
fprintf(stderr, "SymbolServerSetOptions(): Register Trace Failed, GetLastError = %lu\n", gle);
}
if (!pSSSO(SSRVOPT_CALLBACK, (ULONG64)SymbolServerCallbackProc64)) {
fprintf(stderr, "SymbolServerSetOptions(): Register Callback Failed, GetLastError = %lu\n", gle);
}
if (!pSSSO(SSRVOPT_UNATTENDED, (ULONG64)TRUE)) {
fprintf(stderr, "SymbolServerSetOptions(): Register Unattended Failed, GetLastError = %lu\n", gle);
}
if (bProxyEnabled) {
if (!pSSSO(SSRVOPT_PROXY, (ULONG64)pszProxyServer)) {
fprintf(stderr, "SymbolServerSetOptions(): Register Proxy Failed, GetLastError = %lu\n", gle);
}
} else {
if (!pSSSO(SSRVOPT_PROXY, (ULONG64)NULL)) {
fprintf(stderr, "SymbolServerSetOptions(): Register Proxy Failed, GetLastError = %lu\n", gle);
}
}
}
}
if (g_hVersionDll) {
pGFVIS = (tGFVIS)GetProcAddress(g_hVersionDll, "GetFileVersionInfoSizeA");
pGFVI = (tGFVI)GetProcAddress(g_hVersionDll, "GetFileVersionInfoA");
pVQV = (tVQV)GetProcAddress(g_hVersionDll, "VerQueryValueA");
}
pIAV = (tIAV) GetProcAddress( g_hDbgHelpDll, "ImagehlpApiVersion" );
pSC = (tSC) GetProcAddress( g_hDbgHelpDll, "SymCleanup" );
pSEM = (tSEM) GetProcAddress( g_hDbgHelpDll, "SymEnumerateModules64" );
pSFTA = (tSFTA) GetProcAddress( g_hDbgHelpDll, "SymFunctionTableAccess64" );
pSGLFA = (tSGLFA) GetProcAddress( g_hDbgHelpDll, "SymGetLineFromAddr64" );
pSGMB = (tSGMB) GetProcAddress( g_hDbgHelpDll, "SymGetModuleBase64" );
pSGMI = (tSGMI) GetProcAddress( g_hDbgHelpDll, "SymGetModuleInfo64" );
pSGO = (tSGO) GetProcAddress( g_hDbgHelpDll, "SymGetOptions" );
pSGSP = (tSGSP) GetProcAddress( g_hDbgHelpDll, "SymGetSearchPath" );
pSFA = (tSFA) GetProcAddress( g_hDbgHelpDll, "SymFromAddr" );
pSI = (tSI) GetProcAddress( g_hDbgHelpDll, "SymInitialize" );
pSRC = (tSRC) GetProcAddress( g_hDbgHelpDll, "SymRegisterCallback64" );
pSSO = (tSSO) GetProcAddress( g_hDbgHelpDll, "SymSetOptions" );
pSW = (tSW) GetProcAddress( g_hDbgHelpDll, "StackWalk64" );
pUDSN = (tUDSN) GetProcAddress( g_hDbgHelpDll, "UnDecorateSymbolName" );
pSLM = (tSLM) GetProcAddress( g_hDbgHelpDll, "SymLoadModuleEx" );
if ( pIAV == NULL || pSC == NULL || pSEM == NULL || pSFTA == NULL ||
pSGMB == NULL || pSGMI == NULL || pSGO == NULL || pSFA == NULL ||
pSI == NULL || pSRC == NULL || pSSO == NULL || pSW == NULL ||
pUDSN == NULL || pSLM == NULL )
{
if (!pIAV) fprintf( stderr, "GetProcAddress(): ImagehlpApiVersion missing.\n" );
if (!pSC) fprintf( stderr, "GetProcAddress(): SymCleanup missing.\n" );
if (!pSEM) fprintf( stderr, "GetProcAddress(): SymEnumerateModules64 missing.\n" );
if (!pSFTA) fprintf( stderr, "GetProcAddress(): SymFunctionTableAccess64 missing.\n" );
if (!pSGLFA) fprintf( stderr, "GetProcAddress(): SymGetLineFromAddr64 missing.\n" );
if (!pSGMB) fprintf( stderr, "GetProcAddress(): SymGetModuleBase64 missing.\n" );
if (!pSGMI) fprintf( stderr, "GetProcAddress(): SymGetModuleInfo64 missing.\n" );
if (!pSGO) fprintf( stderr, "GetProcAddress(): SymGetOptions missing.\n" );
if (!pSGSP) fprintf( stderr, "GetProcAddress(): SymGetSearchPath missing.\n" );
if (!pSFA) fprintf( stderr, "GetProcAddress(): SymFromAddr missing.\n" );
if (!pSI) fprintf( stderr, "GetProcAddress(): SymInitialize missing.\n" );
if (!pSRC) fprintf( stderr, "GetProcAddress(): SymRegisterCallback64 missing.\n" );
if (!pSSO) fprintf( stderr, "GetProcAddress(): SymSetOptions missing.\n" );
if (!pSW) fprintf( stderr, "GetProcAddress(): StackWalk64 missing.\n" );
if (!pUDSN) fprintf( stderr, "GetProcAddress(): UnDecorateSymbolName missing.\n" );
if (!pSLM) fprintf( stderr, "GetProcAddress(): SymLoadModuleEx missing.\n" );
FreeLibrary( g_hDbgHelpDll );
g_bInitialized = FALSE;
return 1;
}
g_bInitialized = TRUE;
InitializeCriticalSection(&g_csFileOpenClose);
EnterCriticalSection(&g_csFileOpenClose);
CHAR* tt;
CHAR* p;
DWORD symOptions; // symbol handler settings
std::string strCurrentDirectory;
std::string strExecutableDirectory;
std::string strLocalSymbolStore;
std::string strSymbolSearchPath;
tt = (CHAR*) malloc(sizeof(CHAR) * TTBUFLEN); // Get the temporary buffer
if (!tt) goto error; // not enough memory...
// build symbol search path from:
strCurrentDirectory = "";
strExecutableDirectory = "";
strLocalSymbolStore = "";
strSymbolSearchPath = "";
// Detect Current Directory
if ( GetCurrentDirectoryA( TTBUFLEN, tt ) ) {
strCurrentDirectory = tt;
}
// Detect Executable Directory
if ( GetModuleFileNameA( 0, tt, TTBUFLEN ) )
{
for ( p = tt + strlen( tt ) - 1; p >= tt; -- p )
{
// locate the rightmost path separator
if ( *p == '\\' || *p == '/' || *p == ':' ) {
break;
}
}
// if we found one, p is pointing at it; if not, tt only contains
// an exe name (no path), and p points before its first byte
if ( p != tt ) // path sep found?
{
if ( *p == ':' ) { // we leave colons in place
++p;
}
*p = '\0'; // eliminate the exe name and last path sep
strExecutableDirectory += tt;
}
}
// Current Directory
if (!strCurrentDirectory.empty()) {
strSymbolSearchPath += strCurrentDirectory + std::string( ";" );
}
// Executable Directory
if (!strExecutableDirectory.empty()) {
strSymbolSearchPath += strExecutableDirectory + std::string( ";" );
}
// Environment Variable _NT_SYMBOL_PATH
if ( GetEnvironmentVariableA( "_NT_SYMBOL_PATH", tt, TTBUFLEN ) ) {
strSymbolSearchPath += tt + std::string( ";" );
}
// Environment Variable _NT_ALTERNATE_SYMBOL_PATH
if ( GetEnvironmentVariableA( "_NT_ALT_SYMBOL_PATH", tt, TTBUFLEN ) ) {
strSymbolSearchPath += tt + std::string( ";" );
}
// Depending on if we are a BOINC application or a project application
// we'll need to store our symbol files in two different locations.
//
// BOINC:
// [DATADIR]\symbols
// Project:
// [DATADIR]\projects\project_dir\symbols
//
if (!diagnostics_is_flag_set(BOINC_DIAG_BOINCAPPLICATION)) {
strLocalSymbolStore += strCurrentDirectory + std::string("\\symbols");
} else {
strLocalSymbolStore += strExecutableDirectory + std::string("\\symbols");
}
// Microsoft Public Symbol Server
if (!diagnostics_is_flag_set(BOINC_DIAG_BOINCAPPLICATION) || (0 < strlen(pszSymbolStore))) {
if (std::string::npos == strSymbolSearchPath.find("http://msdl.microsoft.com/download/symbols")) {
strSymbolSearchPath +=
std::string( "srv*" ) + strLocalSymbolStore +
std::string( "*http://msdl.microsoft.com/download/symbols;" );
}
}
// Project Symbol Server
if (diagnostics_is_flag_set(BOINC_DIAG_BOINCAPPLICATION) && (0 < strlen(pszSymbolStore))) {
if (std::string::npos == strSymbolSearchPath.find(pszSymbolStore)) {
strSymbolSearchPath +=
std::string( "srv*" ) + strLocalSymbolStore + std::string( "*" ) +
std::string( pszSymbolStore ) + std::string( ";" );
}
}
// BOINC Symbol Server
if (!diagnostics_is_flag_set(BOINC_DIAG_BOINCAPPLICATION)) {
if (std::string::npos == strSymbolSearchPath.find("http://boinc.berkeley.edu/symstore")) {
strSymbolSearchPath +=
std::string( "srv*" ) + strLocalSymbolStore +
std::string( "*http://boinc.berkeley.edu/symstore;" );
}
}
if ( strSymbolSearchPath.size() > 0 ) // if we added anything, we have a trailing semicolon
strSymbolSearchPath = strSymbolSearchPath.substr( 0, strSymbolSearchPath.size() - 1 );
free( tt );
// Setting symbol options to the WinDbg defaults.
symOptions = (DWORD)NULL;
symOptions |= SYMOPT_CASE_INSENSITIVE;
symOptions |= SYMOPT_LOAD_LINES;
symOptions |= SYMOPT_OMAP_FIND_NEAREST;
symOptions |= SYMOPT_FAIL_CRITICAL_ERRORS;
symOptions |= SYMOPT_AUTO_PUBLICS;
symOptions |= SYMOPT_NO_IMAGE_SEARCH;
symOptions |= SYMOPT_DEBUG;
symOptions |= SYMOPT_NO_PROMPTS;
pSSO( symOptions ); // SymSetOptions()
// init symbol handler stuff (SymInitialize())
if (!pSI(g_hProcess, strSymbolSearchPath.c_str(), TRUE))
{
fprintf(stderr, "SymInitialize(): GetLastError = %lu\n", gle);
goto error;
}
if (!pSRC(g_hProcess, SymRegisterCallbackProc64, (ULONG64)g_hProcess))
{
fprintf(stderr, "SymRegisterCallback64(): GetLastError = %lu\n", gle);
}
LeaveCriticalSection(&g_csFileOpenClose);
return 0;
error:
LeaveCriticalSection(&g_csFileOpenClose);
return 1;
}
int DebuggerDisplayDiagnostics()
{
LPAPI_VERSION lpDV = NULL;
char buf[TTBUFLEN];
if (g_bInitialized == FALSE)
{
fprintf(stderr, "Stackwalker not initialized (or was not able to initialize)!\n");
return 1;
}
EnterCriticalSection(&g_csFileOpenClose);
lpDV = pIAV();
pSGSP(g_hProcess, (PTSTR)&buf, TTBUFLEN);
fprintf(stderr, "Debugger Engine : %d.%d.%d.%d\n", lpDV->MajorVersion, lpDV->MinorVersion, lpDV->Revision, lpDV->Reserved);
fprintf(stderr, "Symbol Search Path: %s\n", buf);
fprintf(stderr, "\n\n");
if (!pSEM(g_hProcess, (PSYM_ENUMMODULES_CALLBACK64)SymEnumerateModulesProc64, NULL))
{
fprintf(stderr, "SymEnumerateModules64(): GetLastError = %lu\n", gle );
}
fprintf(stderr, "\n\n");
LeaveCriticalSection(&g_csFileOpenClose);
return 0;
}
// #################################################################################
// #################################################################################
// Here the Stackwalk-Part begins.
// Some of the code is from an example from a book
// But I couldn't find the reference anymore... sorry...
// If someone knowns, please let me know...
// #################################################################################
// #################################################################################
// if you use C++ exception handling: install a translator function
// with set_se_translator(). In the context of that function (but *not*
// afterwards), you can either do your stack dump, or save the CONTEXT
// record as a local copy. Note that you must do the stack sump at the
// earliest opportunity, to avoid the interesting stackframes being gone
// by the time you do the dump.
// status:
// - EXCEPTION_CONTINUE_SEARCH: exception wird weitergereicht
// - EXCEPTION_CONTINUE_EXECUTION:
// - EXCEPTION_EXECUTE_HANDLER:
DWORD StackwalkFilter(EXCEPTION_POINTERS *ep, DWORD status)
{
HANDLE hThread;
DuplicateHandle( GetCurrentProcess(), GetCurrentThread(),
GetCurrentProcess(), &hThread, 0, false, DUPLICATE_SAME_ACCESS );
StackwalkThread( hThread, ep->ContextRecord );
CloseHandle( hThread );
return status;
} // StackwalkFilter
void StackwalkThread(HANDLE hThread, CONTEXT* c)
{
ShowStackRM(hThread, *c);
}
static void ShowStackRM(HANDLE hThread, CONTEXT& Context)
{
BOOL bRetVal = FALSE;
int frameNum = 0;
DWORD64 offsetFromSymbol = 0;
DWORD offsetFromLine = 0;
char undName[MAX_SYM_NAME];
char szMsgSymFromAddr[256];
char szMsgSymGetLineFromAddr[256];
char szMsgSymGetModuleInfo[256];
IMAGEHLP_MODULE64 Module;
IMAGEHLP_LINE64 Line;
STACKFRAME64 StackFrame;
ULONG64 SymbolBuffer[sizeof(SYMBOL_INFO) + MAX_SYM_NAME + 1];
PSYMBOL_INFO pSymbol = (PSYMBOL_INFO)SymbolBuffer;
if (g_bInitialized == FALSE)
{
fprintf(stderr, "Stackwalker not initialized (or was not able to initialize)!\n");
return;
}
// Critical section begin...
EnterCriticalSection(&g_csFileOpenClose);
fprintf(stderr, "- Registers -\n");
// Dump the Context data
#if defined(_WIN64) && defined(_M_X64)
fprintf(stderr,
"rax=%.16x rbx=%.16x rcx=%.16x rdx=%.16x rsi=%.16x rdi=%.16x\n",
Context.Rax, Context.Rbx, Context.Rcx, Context.Rdx, Context.Rsi, Context.Rdi
);
fprintf(stderr,
"r8=%.16x r9=%.16x r10=%.16x r11=%.16x r12=%.16x r13=%.16x\n",
Context.R8, Context.R9, Context.R10, Context.R11, Context.R12, Context.R13
);
fprintf(stderr,
"r14=%.16x r15=%.16x rip=%.16x rsp=%.16x rbp=%.16x\n",
Context.R14, Context.R15, Context.Rip, Context.Rsp, Context.Rbp
);
fprintf(stderr,
"cs=%.4x ss=%.4x ds=%.4x es=%.4x fs=%.4x gs=%.4x efl=%.8x\n\n",
Context.SegCs, Context.SegSs, Context.SegDs, Context.SegEs, Context.SegFs, Context.SegGs, Context.EFlags
);
#else
fprintf(stderr,
"eax=%.8x ebx=%.8x ecx=%.8x edx=%.8x esi=%.8x edi=%.8x\n",
Context.Eax, Context.Ebx, Context.Ecx, Context.Edx, Context.Esi, Context.Edi
);
fprintf(stderr,
"eip=%.8x esp=%.8x ebp=%.8x\n",
Context.Eip, Context.Esp, Context.Ebp
);
fprintf(stderr,
"cs=%.4x ss=%.4x ds=%.4x es=%.4x fs=%.4x gs=%.4x efl=%.8x\n\n",
Context.SegCs, Context.SegSs, Context.SegDs, Context.SegEs, Context.SegFs, Context.SegGs, Context.EFlags
);
#endif
// Stack Header
fprintf(stderr, "- Callstack -\n");
fprintf(stderr, "ChildEBP RetAddr Args to Child\n");
fflush( stderr );
// init STACKFRAME for first call
// Notes: AddrModeFlat is just an assumption. I hate VDM debugging.
// Notes: will have to be #ifdef-ed for Alphas; MIPSes are dead anyway,
// and good riddance.
memset( &StackFrame, '\0', sizeof(STACKFRAME64) );
#if defined(_WIN64) && defined(_M_X64)
StackFrame.AddrPC.Offset = Context.Rip;
StackFrame.AddrPC.Mode = AddrModeFlat;
StackFrame.AddrFrame.Offset = Context.Rbp;
StackFrame.AddrFrame.Mode = AddrModeFlat;
#else
StackFrame.AddrPC.Offset = Context.Eip;
StackFrame.AddrPC.Mode = AddrModeFlat;
StackFrame.AddrFrame.Offset = Context.Ebp;
StackFrame.AddrFrame.Mode = AddrModeFlat;
#endif
memset( pSymbol, '\0', sizeof(SymbolBuffer) );
pSymbol->SizeOfStruct = sizeof(SYMBOL_INFO);
pSymbol->MaxNameLen = MAX_SYM_NAME;
memset( &Line, '\0', sizeof(IMAGEHLP_LINE64) );
Line.SizeOfStruct = sizeof(IMAGEHLP_LINE64);
memset( &Module, '\0', sizeof(IMAGEHLP_MODULE64) );
Module.SizeOfStruct = sizeof(IMAGEHLP_MODULE64);
safe_strcpy(szMsgSymFromAddr, "");
safe_strcpy(szMsgSymGetLineFromAddr, "");
safe_strcpy(szMsgSymGetModuleInfo, "");
for ( frameNum = 0; ; ++frameNum )
{
// get next stack frame (StackWalk(), SymFunctionTableAccess(), SymGetModuleBase())
// 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.
bRetVal = pSW(
#if defined(_WIN64) && defined(_M_X64)
IMAGE_FILE_MACHINE_AMD64,
#else
IMAGE_FILE_MACHINE_I386,
#endif
g_hProcess,
hThread,
&StackFrame,
&Context,
NULL,
(PFUNCTION_TABLE_ACCESS_ROUTINE64)pSFTA,
(PGET_MODULE_BASE_ROUTINE64)pSGMB,
NULL
);
if (!bRetVal) {
break;
}
if ( StackFrame.AddrPC.Offset == 0 )
{
// Special case: If we are here, we have no valid callstack entry!
fprintf(stderr, "(-nosymbols- PC == 0)\n");
}
else
{
// show procedure info (SymFromAddr())
undName[0] = 0;
offsetFromSymbol = 0;
if ( !pSFA( g_hProcess, StackFrame.AddrPC.Offset, &offsetFromSymbol, pSymbol ) )
{
if ( gle != 487 )
{
snprintf(
szMsgSymFromAddr,
sizeof(szMsgSymFromAddr),
"SymFromAddr(): GetLastError = '%lu'",
gle
);
}
}
else
{
// UnDecorateSymbolName()
pUDSN( pSymbol->Name, undName, MAX_SYM_NAME, UNDNAME_NAME_ONLY );
}
// show line number info (SymGetLineFromAddr())
offsetFromLine = 0;
if ( !pSGLFA( g_hProcess, StackFrame.AddrPC.Offset, &offsetFromLine, &Line ) )
{
if ( (gle != 487) && (frameNum > 0) )
{
snprintf(
szMsgSymGetLineFromAddr,
sizeof(szMsgSymGetLineFromAddr),
"SymGetLineFromAddr(): GetLastError = '%lu'",
gle
);
}
}
// show module info (SymGetModuleInfo())
if ( !pSGMI( g_hProcess, StackFrame.AddrPC.Offset, &Module ) )
{
snprintf(
szMsgSymGetModuleInfo,
sizeof(szMsgSymGetModuleInfo),
"SymGetModuleInfo(): GetLastError = '%lu'",
gle
);
}
} // we seem to have a valid PC
fprintf(stderr, "%.8x ", StackFrame.AddrFrame.Offset);
fprintf(stderr, "%.8x ", StackFrame.AddrReturn.Offset);
fprintf(stderr, "%.8x ", StackFrame.Params[0]);
fprintf(stderr, "%.8x ", StackFrame.Params[1]);
fprintf(stderr, "%.8x ", StackFrame.Params[2]);
fprintf(stderr, "%.8x ", StackFrame.Params[3]);
fprintf(stderr, "%s", Module.ModuleName);
fprintf(stderr, "!%s+", undName);
fprintf(stderr, "0x%x ", offsetFromLine);
if (Line.LineNumber) {
fprintf(stderr, "(%s:%lu) ", Line.FileName, Line.LineNumber);
}
if (StackFrame.FuncTableEntry) {
// FPO Data
PFPO_DATA pFPO = (PFPO_DATA)StackFrame.FuncTableEntry;
switch(pFPO->cbFrame) {
case FRAME_FPO:
fprintf(stderr, "FPO: [%d,%d,%d] ", pFPO->cdwParams, pFPO->cdwLocals, pFPO->cbRegs);
break;
case FRAME_TRAP:
fprintf(stderr, "FPO: [%d,%d] TrapFrame @ 0x%.8x ", pFPO->cdwParams, pFPO->cdwLocals, pFPO->ulOffStart);
break;
case FRAME_TSS:
fprintf(stderr, "FPO: TaskGate Segment: 0 ");
break;
}
}
if (strlen(szMsgSymFromAddr) || strlen(szMsgSymGetLineFromAddr) || strlen(szMsgSymGetModuleInfo)) {
fprintf(
stderr,
"%s %s %s Address = '%.8x'",
szMsgSymFromAddr,
szMsgSymGetLineFromAddr,
szMsgSymGetModuleInfo,
StackFrame.AddrPC.Offset
);
}
fprintf(stderr, "\n");
// Zero out params so we have fresh parameters through the next interation
StackFrame.Params[0] = (DWORD64)NULL;
StackFrame.Params[1] = (DWORD64)NULL;
StackFrame.Params[2] = (DWORD64)NULL;
StackFrame.Params[3] = (DWORD64)NULL;
// no return address means no deeper stackframe
if ( StackFrame.AddrReturn.Offset == 0 )
{
// avoid misunderstandings in the printf() following the loop
SetLastError( 0 );
break;
}
} // for ( frameNum )
switch(gle){
case ERROR_SUCCESS:
break;
case ERROR_INVALID_ADDRESS:
fprintf(stderr, "\nStackWalk(): ERROR_INVALID_ADDRESS (%lu) - Possible stack corruption.\n", gle );
break;
case ERROR_NOACCESS:
fprintf(stderr, "\nStackWalk(): ERROR_NOACCESS (%lu) - Possible stack corruption.\n", gle );
break;
default:
fprintf(stderr, "\nStackWalk(): GetLastError = %lu\n", gle );
break;
}
fflush(stderr);
LeaveCriticalSection(&g_csFileOpenClose);
}
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