1096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger/* 2096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * Copyright 2013 Google Inc. 3096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * 4096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * Use of this source code is governed by a BSD-style license that can be 5096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * found in the LICENSE file. 6096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger */ 7096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 8096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger#include "windows.h" 9096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger#include "win_dbghelp.h" 10096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger#include <process.h> 11096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger#include <string.h> 12096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger#include <stdlib.h> 13096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger#include <stdio.h> 14096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 15096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger// Remove prefix addresses. 18 = 2 * (8 digit hexa + 1 space). 16096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger// e.g. "abcd1234 abcd1234 render_pdf!processInput 17096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger#define CDB_CALLSTACK_PREFIX (18) 18096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 19096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger// CDB.EXE prints a lot of garbage and there is no argument to pass which 20096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger// would remove all that noise. 21096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger// Using eval feature that evaluates a number in hex and prints it to stdout 22096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger// to mark where the callstack is printed. 23096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger// For example, each thread's callstack will be marked with "12340000" at 24096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger// the beginning and "12340001" at the end. 25096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger// We just made up these numbers; they could be anything, as long as they 26096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger// match up with their decimal equivalents. 27096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 28096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger#define MARKER_THREAD_CALLSTACK_START_NUMBER "12340000" 29096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger#define MARKER_THREAD_CALLSTACK_START "Evaluate expression: 305397760 = 12340000" 30096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 31096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger#define MARKER_THREAD_CALLSTACK_STOP_NUMBER "12340001" 32096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger#define MARKER_THREAD_CALLSTACK_STOP "Evaluate expression: 305397761 = 12340001" 33096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 34096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger#define MARKER_EXCEPTION_CALLSTACK_START_NUMBER "12340002" 35096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger#define MARKER_EXCEPTION_CALLSTACK_START "Evaluate expression: 305397762 = 12340002" 36096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 37096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger#define MARKER_EXCEPTION_CALLSTACK_STOP_NUMBER "12340003" 38096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger#define MARKER_EXCEPTION_CALLSTACK_STOP "Evaluate expression: 305397763 = 12340003" 39096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 40096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger// k - print stack 41096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger// ? val - evaluate expression. Used to mark the log file. 42096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger// .ecxr - load exception, if exception was thrown. 43096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger// k - print the resolved stack by .ecxr 44096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger// q - quit cdb.exe 45096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger#define CDB_PRINT_CALLSTACK_CURRENT_THREAD "? " MARKER_THREAD_CALLSTACK_START_NUMBER "; k; ? " MARKER_THREAD_CALLSTACK_STOP_NUMBER "; .ecxr; ? " MARKER_EXCEPTION_CALLSTACK_START_NUMBER "; k; ? " MARKER_EXCEPTION_CALLSTACK_STOP_NUMBER "; q" 46096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 47096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenbergerstatic void strncpyOrSetBlank(char* dest, const char* src, size_t len) { 48096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger const char* srcOrEmptyString = (NULL == src) ? "" : src; 49096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger strncpy(dest, srcOrEmptyString, len); 50096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger} 51096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 52096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenbergerchar debug_app_name[MAX_PATH] = ""; 53096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenbergervoid setAppName(const char* app_name) { 54096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger strncpyOrSetBlank(debug_app_name, app_name, sizeof(debug_app_name)); 55096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger} 56096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 57096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenbergerconst char* getAppName() { 58096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger return debug_app_name; 59096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger} 60096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 61096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenbergerchar debug_binaries_path[MAX_PATH] = ""; 62096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenbergervoid setBinariesPath(const char* binaries_path) { 63096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger strncpyOrSetBlank(debug_binaries_path, binaries_path, 64096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger sizeof(debug_binaries_path)); 65096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger} 66096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 67096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenbergerconst char* getBinariesPath() { 68096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger return debug_binaries_path; 69096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger} 70096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 71096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenbergerchar debug_app_version[100] = ""; 72096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenbergervoid setAppVersion(const char* version) { 73096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger strncpyOrSetBlank(debug_app_version, version, sizeof(debug_app_version)); 74096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger} 75096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 76096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenbergerconst char* getAppVersion() { 77096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger return debug_app_version; 78096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger} 79096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 80096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenbergerchar debug_cdb_path[MAX_PATH] = ""; 81096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenbergervoid setCdbPath(const char* path) { 82096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger strncpyOrSetBlank(debug_cdb_path, path, sizeof(debug_cdb_path)); 83096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger} 84096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 85096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenbergerconst char* getCdbPath() { 86096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger return debug_cdb_path; 87096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger} 88096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 89096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger/** Print all the lines of a CDB k command whicha are callstacks. 90096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * Callstack lines are marked by start and stop markers and they are prefixed 91096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * byt 2 hex adresses, which will not be reported. 92096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger */ 93096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenbergerstatic void printCallstack(const char* filename, 94096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger const char* start, 95096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger const char* stop) { 96096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger FILE* file = fopen(filename, "rt"); 97096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger char line[1000]; 98096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger bool started = false; 99096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger // Not the most performant code, but this will be used only to collect 100096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger // the callstack from a log files, only when the application had failed. 101096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger while (fgets(line, sizeof(line), file)) { 102096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger if (!started && strncmp(start, line, strlen(start)) == 0) { 103096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger started = true; 104096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger } else if (started && strncmp(stop, line, strlen(stop)) == 0) { 105096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger break; 106096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger } else if (started) { 107096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger // Filter messages. Calstack lines contain "exe/dll!function" 108096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger if (strchr(line, '!') != NULL && strlen(line) > CDB_CALLSTACK_PREFIX) { 109096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger printf("%s", line + CDB_CALLSTACK_PREFIX); // fgets includes \n already. 110096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger } 111096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger } 112096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger } 113096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger fclose(file); 114096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger} 115096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 116096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger#define BUILD_UNIQUE_FILENAME(var, ext, szPath, szAppName, szVersion, stLocalTime) \ 117096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger sprintf(szFileName, "%s%s\\%s-%04d%02d%02d-%02d%02d%02d-%ld-%ld" ext, \ 118096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger szPath, szAppName, szVersion, \ 119096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger stLocalTime.wYear, stLocalTime.wMonth, stLocalTime.wDay, \ 120096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger stLocalTime.wHour, stLocalTime.wMinute, stLocalTime.wSecond, \ 121096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger GetCurrentProcessId(), GetCurrentThreadId()); 122096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 123096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger// Exception execution handler. Exception is recognized. Transfer control to 124096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger// the exception handler by executing the __except compound statement, 125096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger// then continue execution after the __except block. 126096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenbergerint GenerateDumpAndPrintCallstack(EXCEPTION_POINTERS* pExceptionPointers) { 127096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger BOOL bMiniDumpSuccessful; 128096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger char szPath[MAX_PATH]; 129096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger char szFileName[MAX_PATH]; 130096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger char szFileNameOutput[MAX_PATH]; 131096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger const char* szAppName = getAppName(); 132096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger const char* szVersion = getAppVersion(); 133096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger DWORD dwBufferSize = MAX_PATH; 134096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger HANDLE hDumpFile; 135096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger SYSTEMTIME stLocalTime; 136096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger MINIDUMP_EXCEPTION_INFORMATION ExpParam; 137096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 138096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger GetLocalTime( &stLocalTime ); 139096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger GetTempPath( dwBufferSize, szPath ); 140096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 141096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger sprintf( szFileName, "%s%s", szPath, szAppName ); 142096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger CreateDirectory( szFileName, NULL ); 143096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 144096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger BUILD_UNIQUE_FILENAME(szFileName, ".dmp", szPath, szAppName, szVersion, stLocalTime); 145096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger BUILD_UNIQUE_FILENAME(szFileNameOutput, ".out", szPath, szAppName, szVersion, stLocalTime); 146096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 147096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger hDumpFile = CreateFile(szFileName, 148096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger GENERIC_READ|GENERIC_WRITE, 149096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger FILE_SHARE_WRITE|FILE_SHARE_READ, 150096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 0, 151096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger CREATE_ALWAYS, 152096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 0, 153096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 0); 154096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 155096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger ExpParam.ThreadId = GetCurrentThreadId(); 156096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger ExpParam.ExceptionPointers = pExceptionPointers; 157096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger ExpParam.ClientPointers = TRUE; 158096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 159096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger bMiniDumpSuccessful = MiniDumpWriteDump(GetCurrentProcess(), 160096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger GetCurrentProcessId(), 161096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger hDumpFile, 162096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger MiniDumpWithDataSegs, 163096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger &ExpParam, 164096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger NULL, 165096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger NULL); 166096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 167096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger printf("MiniDump file: %s\n", szFileName); 168096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger printf("App exe and pdb: %s\n", getBinariesPath()); 169096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 170096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger const char* cdbExePath = getCdbPath(); 171096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger if (cdbExePath && *cdbExePath != '\0') { 172096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger printf("Cdb exe: %s\n", cdbExePath); 173096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 174096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger char command[MAX_PATH * 4]; 175096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger sprintf(command, "%s -y \"%s\" -i \"%s\" -z \"%s\" -c \"%s\" -kqm >\"%s\"", 176096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger cdbExePath, 177096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger getBinariesPath(), 178096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger getBinariesPath(), 179096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger szFileName, 180096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger CDB_PRINT_CALLSTACK_CURRENT_THREAD, 181096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger szFileNameOutput); 182096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger system(command); 183096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 184096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger printf("\nThread Callstack:\n"); 185096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger printCallstack(szFileNameOutput, 186096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger MARKER_THREAD_CALLSTACK_START, 187096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger MARKER_THREAD_CALLSTACK_STOP); 188096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 189096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger printf("\nException Callstack:\n"); 190096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger printCallstack(szFileNameOutput, 191096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger MARKER_EXCEPTION_CALLSTACK_START, 192096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger MARKER_EXCEPTION_CALLSTACK_STOP); 193096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger } else { 194096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger printf("Warning: CDB path not set up.\n"); 195096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger } 196096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 197096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger return EXCEPTION_EXECUTE_HANDLER; 198096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger} 199096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 200096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger/** Sets the debugging variables. Input parameter is app location. 201096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * e.g out\Debug\render_pdfs.exe 202096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger * This function expects the .pdb file to be in the same directory. 203096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger */ 204096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenbergervoid setUpDebuggingFromArgs(const char* vargs0) { 205096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger int i = strlen(vargs0); 206096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 207096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger if (i >= 4 && _stricmp(vargs0 - 4, ".exe") == 0) { 208096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger // Ignore .exe 209096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger i -= 4; 210096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger } 211096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 212096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger int pos_period = i; 213096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 214096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger // Find last \ in path - this is Windows! 215096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger while (i >= 0 && vargs0[i] != '\\') { 216096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger i--; 217096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger } 218096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 219096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger int pos_last_slash = i; 220096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 221096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger char app_name[MAX_PATH]; 222096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger strncpy(app_name, vargs0 + pos_last_slash + 1, pos_period - pos_last_slash - 1); 223096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger app_name[pos_period - pos_last_slash] = '\0'; 224096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger setAppName(app_name); 225096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 226096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger char binaries_path[MAX_PATH]; 227096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger strncpy(binaries_path, vargs0, pos_last_slash); 228096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger binaries_path[pos_last_slash] = '\0'; 229096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger setBinariesPath(binaries_path); 230096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 231096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger setAppVersion("1.0"); // Dummy for now, but use revision instead if we use 232096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger // the minidump for anything else other than 233096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger // collecting the callstack. 234096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger 235096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger // cdb.exe is the app used to load the minidump which prints the callstack. 236096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger char cdbExePath[MAX_PATH]; 237096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger#ifdef _WIN64 238096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger sprintf(cdbExePath, "%s\\x64\\cdb.exe", SK_CDB_PATH); 239096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger#else 240096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger sprintf(cdbExePath, "%s\\cdb.exe", SK_CDB_PATH); 241096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger#endif 242096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger setCdbPath(cdbExePath); 243096defe64d408e54474fe19f418c95bf1a554fc7Derek Sollenberger} 244