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684 lines
29 KiB
C
684 lines
29 KiB
C
#ifndef WIN32_LEAN_AND_MEAN
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#define WIN32_LEAN_AND_MEAN
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#endif
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#include <windows.h>
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#include <dbghelp.h>
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#include <inttypes.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#define DUMP_FOLDER "minidumps"
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#define APPNAME "SDLPROCDUMP"
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#define PRODCUMP_MIN(A,B) (((A) < (B)) ? (A) : (B))
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#if defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) ||defined( __i386) || defined(_M_IX86)
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#define SDLPROCDUMP_CPU_X86 1
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#elif defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64) || defined(_M_X64) || defined(_M_AMD64)
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#define SDLPROCDUMP_CPU_X64 1
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#elif defined(__aarch64__) || defined(_M_ARM64)
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#define SDLPROCDUMP_CPU_ARM64 1
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#elif defined(__arm__) || defined(_M_ARM)
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#define SDLPROCDUMP_CPU_ARM32 1
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#endif
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#if defined(SDLPROCDUMP_CPU_X86) || defined(SDLPROCDUMP_CPU_X64) || defined(SDLPROCDUMP_CPU_ARM32) || defined(SDLPROCDUMP_CPU_ARM64)
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#define SDLPROCDUMP_PRINTSTACK
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#else
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#pragma message("Unsupported architecture: don't know how to StackWalk")
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#endif
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#ifndef EXCEPTION_SOFTWARE_ORIGINATE
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#define EXCEPTION_SOFTWARE_ORIGINATE 0x80
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#endif
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static void printf_message(const char *format, ...) {
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va_list ap;
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fprintf(stderr, "[" APPNAME "] ");
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va_start(ap, format);
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vfprintf(stderr, format, ap);
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va_end(ap);
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fprintf(stderr, "\n");
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}
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static void printf_windows_message(const char *format, ...) {
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va_list ap;
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char win_msg[512];
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size_t win_msg_len;
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FormatMessageA(
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FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
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NULL,
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GetLastError(),
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MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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win_msg, sizeof(win_msg)/sizeof(*win_msg),
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NULL);
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win_msg_len = strlen(win_msg);
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while (win_msg[win_msg_len-1] == '\r' || win_msg[win_msg_len-1] == '\n' || win_msg[win_msg_len-1] == ' ') {
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win_msg[win_msg_len-1] = '\0';
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win_msg_len--;
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}
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fprintf(stderr, "[" APPNAME "] ");
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va_start(ap, format);
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vfprintf(stderr, format, ap);
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va_end(ap);
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fprintf(stderr, " (%s)\n", win_msg);
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}
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struct {
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HMODULE module;
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BOOL (WINAPI *pSymInitialize)(HANDLE hProcess, PCSTR UserSearchPath, BOOL fInvadeProcess);
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BOOL (WINAPI *pSymCleanup)(HANDLE hProcess);
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BOOL (WINAPI *pMiniDumpWriteDump)(
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HANDLE hProcess,
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DWORD ProcessId,
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HANDLE hFile,
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MINIDUMP_TYPE DumpType,
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PMINIDUMP_EXCEPTION_INFORMATION ExceptionParam,
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PMINIDUMP_USER_STREAM_INFORMATION UserStreamParam,
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PMINIDUMP_CALLBACK_INFORMATION CallbackParam);
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BOOL (WINAPI *pSymFromAddr)(HANDLE hProcess, DWORD64 Address, PDWORD64 Displacement, PSYMBOL_INFO Symbol);
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BOOL (WINAPI *pSymGetLineFromAddr64)(HANDLE hProcess, DWORD64 qwAddr, PDWORD pdwDisplacement, PIMAGEHLP_LINE64 Line);
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BOOL (WINAPI *pStackWalk64)(DWORD MachineType, HANDLE hProcess, HANDLE hThread, LPSTACKFRAME64 StackFrame,
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PVOID ContextRecord, PREAD_PROCESS_MEMORY_ROUTINE64 ReadMemoryRoutine,
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PFUNCTION_TABLE_ACCESS_ROUTINE64 FunctionTableAccessRoutine,
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PGET_MODULE_BASE_ROUTINE64 GetModuleBaseRoutine, PTRANSLATE_ADDRESS_ROUTINE64 TranslateAddress);
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PVOID (WINAPI *pSymFunctionTableAccess64)(HANDLE hProcess, DWORD64 AddrBase);
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DWORD64 (WINAPI *pSymGetModuleBase64)(HANDLE hProcess, DWORD64 qwAddr);
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BOOL (WINAPI *pSymGetModuleInfo64)(HANDLE hProcess, DWORD64 qwAddr, PIMAGEHLP_MODULE64 ModuleInfo);
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BOOL (WINAPI *pSymRefreshModuleList)(HANDLE hProcess);
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} dyn_dbghelp;
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static void load_dbghelp(void) {
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if (dyn_dbghelp.module) {
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return;
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}
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dyn_dbghelp.module = LoadLibraryA("dbghelp.dll");
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if (!dyn_dbghelp.module) {
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printf_message("Failed to load dbghelp.dll");
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goto failed;
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}
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dyn_dbghelp.pSymInitialize = (void *)GetProcAddress(dyn_dbghelp.module, "SymInitialize");
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dyn_dbghelp.pSymCleanup = (void *)GetProcAddress(dyn_dbghelp.module, "SymCleanup");
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dyn_dbghelp.pMiniDumpWriteDump = (void *)GetProcAddress(dyn_dbghelp.module, "MiniDumpWriteDump");
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dyn_dbghelp.pSymFromAddr = (void *)GetProcAddress(dyn_dbghelp.module, "SymFromAddr");
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dyn_dbghelp.pStackWalk64 = (void *)GetProcAddress(dyn_dbghelp.module, "StackWalk64");
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dyn_dbghelp.pSymGetLineFromAddr64 = (void *)GetProcAddress(dyn_dbghelp.module, "SymGetLineFromAddr64");
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dyn_dbghelp.pSymFunctionTableAccess64 = (void *)GetProcAddress(dyn_dbghelp.module, "SymFunctionTableAccess64");
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dyn_dbghelp.pSymGetModuleBase64 = (void *)GetProcAddress(dyn_dbghelp.module, "SymGetModuleBase64");
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dyn_dbghelp.pSymGetModuleInfo64 = (void *)GetProcAddress(dyn_dbghelp.module, "SymGetModuleInfo64");
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dyn_dbghelp.pSymRefreshModuleList = (void *)GetProcAddress(dyn_dbghelp.module, "SymRefreshModuleList");
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return;
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failed:
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if (dyn_dbghelp.module) {
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FreeLibrary(dyn_dbghelp.module);
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dyn_dbghelp.module = NULL;
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}
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}
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static void unload_dbghelp(void) {
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if (!dyn_dbghelp.module) {
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return;
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}
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FreeLibrary(dyn_dbghelp.module);
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memset(&dyn_dbghelp, 0, sizeof(dyn_dbghelp));
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}
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#define FOREACH_EXCEPTION_CODES(X) \
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X(EXCEPTION_ACCESS_VIOLATION) \
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X(EXCEPTION_DATATYPE_MISALIGNMENT) \
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X(EXCEPTION_BREAKPOINT) \
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X(EXCEPTION_SINGLE_STEP) \
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X(EXCEPTION_ARRAY_BOUNDS_EXCEEDED) \
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X(EXCEPTION_FLT_DENORMAL_OPERAND) \
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X(EXCEPTION_FLT_DIVIDE_BY_ZERO) \
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X(EXCEPTION_FLT_INEXACT_RESULT) \
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X(EXCEPTION_FLT_INVALID_OPERATION) \
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X(EXCEPTION_FLT_OVERFLOW) \
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X(EXCEPTION_FLT_STACK_CHECK) \
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X(EXCEPTION_FLT_UNDERFLOW) \
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X(EXCEPTION_INT_DIVIDE_BY_ZERO) \
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X(EXCEPTION_INT_OVERFLOW) \
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X(EXCEPTION_PRIV_INSTRUCTION) \
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X(EXCEPTION_IN_PAGE_ERROR) \
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X(EXCEPTION_ILLEGAL_INSTRUCTION) \
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X(EXCEPTION_NONCONTINUABLE_EXCEPTION) \
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X(EXCEPTION_STACK_OVERFLOW) \
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X(EXCEPTION_INVALID_DISPOSITION) \
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X(EXCEPTION_GUARD_PAGE) \
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X(EXCEPTION_INVALID_HANDLE) \
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X(STATUS_HEAP_CORRUPTION)
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#define FOREACH_EXCEPTION_FLAGS(X) \
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X(EXCEPTION_NONCONTINUABLE) \
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X(EXCEPTION_UNWINDING) \
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X(EXCEPTION_EXIT_UNWIND) \
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X(EXCEPTION_STACK_INVALID) \
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X(EXCEPTION_NESTED_CALL) \
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X(EXCEPTION_TARGET_UNWIND) \
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X(EXCEPTION_COLLIDED_UNWIND) \
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X(EXCEPTION_SOFTWARE_ORIGINATE)
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static const char *exceptionCode_to_string(DWORD dwCode) {
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#define SWITCH_CODE_STR(V) case V: return #V;
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switch (dwCode) {
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case 0xe06d7363: return "MS Visual C++ Exception";
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FOREACH_EXCEPTION_CODES(SWITCH_CODE_STR)
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default: {
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return "unknown";
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}
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}
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#undef SWITCH_CODE_STR
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}
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static const char *exceptionFlags_to_string(DWORD dwFlags, char *buffer, size_t buffer_length) {
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buffer[0] = '\0';
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#define APPEND_OR_STR(CODE) \
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if (dwFlags & (CODE)) { \
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if (buffer[0]) { \
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strcat_s(buffer, buffer_length, "|"); \
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} \
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strcat_s(buffer, buffer_length, #CODE); \
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}
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FOREACH_EXCEPTION_FLAGS(APPEND_OR_STR)
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#undef APPEND_OR_STR
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return buffer;
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}
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static BOOL IsCXXException(DWORD dwCode) {
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/* https://devblogs.microsoft.com/oldnewthing/20100730-00/?p=13273 */
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return dwCode == 0xe06d7363; /* FOURCC(0xe0, 'm', 's', 'c') */
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}
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static BOOL IsFatalExceptionCode(DWORD dwCode) {
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switch (dwCode) {
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case EXCEPTION_ACCESS_VIOLATION:
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case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
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case EXCEPTION_IN_PAGE_ERROR:
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case EXCEPTION_ILLEGAL_INSTRUCTION:
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case EXCEPTION_INT_DIVIDE_BY_ZERO:
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case EXCEPTION_STACK_OVERFLOW:
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case STATUS_HEAP_CORRUPTION:
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case STATUS_STACK_BUFFER_OVERRUN:
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case EXCEPTION_GUARD_PAGE:
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case EXCEPTION_INVALID_HANDLE:
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return TRUE;
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default:
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return FALSE;
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}
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}
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static const char *get_simple_basename(const char *path) {
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const char *pos = strrchr(path, '\\');
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if (pos) {
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return pos + 1;
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}
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pos = strrchr(path, '/');
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if (pos) {
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return pos + 1;
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}
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return path;
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}
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static void write_minidump(const char *child_file_path, const LPPROCESS_INFORMATION process_information, DWORD dwThreadId, PEXCEPTION_RECORD exception_record, PCONTEXT context) {
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BOOL success;
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char dump_file_path[MAX_PATH];
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char child_file_name[64];
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EXCEPTION_POINTERS exception_pointers;
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HANDLE hFile = INVALID_HANDLE_VALUE;
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MINIDUMP_EXCEPTION_INFORMATION minidump_exception_information;
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SYSTEMTIME system_time;
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if (!dyn_dbghelp.pMiniDumpWriteDump) {
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printf_message("Cannot find pMiniDumpWriteDump in dbghelp.dll: no minidump");
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return;
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}
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success = CreateDirectoryA(DUMP_FOLDER, NULL);
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if (!success && GetLastError() != ERROR_ALREADY_EXISTS) {
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printf_windows_message("Failed to create minidump directory");
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goto post_dump;
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}
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_splitpath_s(child_file_path, NULL, 0, NULL, 0, child_file_name, sizeof(child_file_name), NULL, 0);
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GetLocalTime(&system_time);
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snprintf(dump_file_path, sizeof(dump_file_path), "minidumps/%s_%04d-%02d-%02d_%02d-%02d-%02d.dmp",
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child_file_name,
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system_time.wYear, system_time.wMonth, system_time.wDay,
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system_time.wHour, system_time.wMinute, system_time.wSecond);
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printf_message("");
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printf_message("Writing minidump to \"%s\"", dump_file_path);
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hFile = CreateFileA(
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dump_file_path,
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GENERIC_WRITE,
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FILE_SHARE_WRITE,
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NULL,
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CREATE_ALWAYS,
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FILE_ATTRIBUTE_NORMAL,
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NULL);
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if (hFile == INVALID_HANDLE_VALUE) {
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printf_windows_message("Failed to open file for minidump");
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goto post_dump;
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}
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memset(&exception_pointers, 0, sizeof(exception_pointers));
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exception_pointers.ContextRecord = context;
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exception_pointers.ExceptionRecord = exception_record;
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minidump_exception_information.ClientPointers = FALSE;
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minidump_exception_information.ExceptionPointers = &exception_pointers;
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minidump_exception_information.ThreadId = dwThreadId;
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success = dyn_dbghelp.pMiniDumpWriteDump(
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process_information->hProcess, /* HANDLE hProcess */
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process_information->dwProcessId, /* DWORD ProcessId */
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hFile, /* HANDLE hFile */
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MiniDumpWithFullMemory, /* MINIDUMP_TYPE DumpType */
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&minidump_exception_information, /* PMINIDUMP_EXCEPTION_INFORMATION ExceptionParam */
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NULL, /* PMINIDUMP_USER_STREAM_INFORMATION UserStreamParam */
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NULL); /* PMINIDUMP_CALLBACK_INFORMATION CallbackParam */
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if (!success) {
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printf_windows_message("Failed to write minidump");
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}
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post_dump:
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if (hFile != INVALID_HANDLE_VALUE) {
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CloseHandle(hFile);
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}
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}
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static void print_stacktrace(const LPPROCESS_INFORMATION process_information, LPVOID address, PCONTEXT context) {
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STACKFRAME64 stack_frame;
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DWORD machine_type;
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if (!context) {
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printf_message("Cannot create a stacktrace without a context");
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return;
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}
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if (!dyn_dbghelp.pStackWalk64) {
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printf_message("Cannot find StackWalk64 in dbghelp.dll: no stacktrace");
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return;
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}
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if (!dyn_dbghelp.pSymFunctionTableAccess64) {
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printf_message("Cannot find SymFunctionTableAccess64 in dbghelp.dll: no stacktrace");
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return;
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}
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if (!dyn_dbghelp.pSymGetModuleBase64) {
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printf_message("Cannot find SymGetModuleBase64 in dbghelp.dll: no stacktrace");
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return;
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}
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if (!dyn_dbghelp.pSymFromAddr) {
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printf_message("Cannot find pSymFromAddr in dbghelp.dll: no stacktrace");
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return;
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}
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if (!dyn_dbghelp.pSymGetLineFromAddr64) {
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printf_message("Cannot find SymGetLineFromAddr64 in dbghelp.dll: no stacktrace");
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return;
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}
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if (!dyn_dbghelp.pSymGetModuleInfo64) {
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printf_message("Cannot find SymGetModuleInfo64 in dbghelp.dll: no stacktrace");
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return;
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}
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if (!dyn_dbghelp.pSymRefreshModuleList || !dyn_dbghelp.pSymRefreshModuleList(process_information->hProcess)) {
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printf_windows_message("SymRefreshModuleList failed: maybe no stacktrace");
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}
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memset(&stack_frame, 0, sizeof(stack_frame));
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stack_frame.AddrPC.Mode = AddrModeFlat;
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stack_frame.AddrFrame.Mode = AddrModeFlat;
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stack_frame.AddrStack.Mode = AddrModeFlat;
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#if defined(SDLPROCDUMP_CPU_X86)
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machine_type = IMAGE_FILE_MACHINE_I386;
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stack_frame.AddrFrame.Offset = context->Ebp;
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stack_frame.AddrStack.Offset = context->Esp;
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stack_frame.AddrPC.Offset = context->Eip;
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#elif defined(SDLPROCDUMP_CPU_X64)
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machine_type = IMAGE_FILE_MACHINE_AMD64;
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stack_frame.AddrFrame.Offset = context->Rbp;
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stack_frame.AddrStack.Offset = context->Rsp;
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stack_frame.AddrPC.Offset = context->Rip;
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#elif defined(SDLPROCDUMP_CPU_ARM32)
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machine_type = IMAGE_FILE_MACHINE_ARM;
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stack_frame.AddrFrame.Offset = context->Lr;
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stack_frame.AddrStack.Offset = context->Sp;
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stack_frame.AddrPC.Offset = context->Pc;
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#elif defined(SDLPROCDUMP_CPU_ARM64)
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machine_type = IMAGE_FILE_MACHINE_ARM64;
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stack_frame.AddrFrame.Offset = context->Fp;
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stack_frame.AddrStack.Offset = context->Sp;
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stack_frame.AddrPC.Offset = context->Pc;
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#endif
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while (dyn_dbghelp.pStackWalk64(machine_type, /* DWORD MachineType */
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process_information->hProcess, /* HANDLE hProcess */
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process_information->hThread, /* HANDLE hThread */
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&stack_frame, /* LPSTACKFRAME64 StackFrame */
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context, /* PVOID ContextRecord */
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NULL, /* PREAD_PROCESS_MEMORY_ROUTINE64 ReadMemoryRoutine */
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dyn_dbghelp.pSymFunctionTableAccess64, /* PFUNCTION_TABLE_ACCESS_ROUTINE64 FunctionTableAccessRoutine */
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dyn_dbghelp.pSymGetModuleBase64, /* PGET_MODULE_BASE_ROUTINE64 GetModuleBaseRoutine */
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NULL)) { /* PTRANSLATE_ADDRESS_ROUTINE64 TranslateAddress */
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IMAGEHLP_MODULE64 module_info;
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union {
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char buffer[sizeof(SYMBOL_INFO) + MAX_SYM_NAME * sizeof(CHAR)];
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SYMBOL_INFO symbol_info;
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} symbol;
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DWORD64 dwDisplacement;
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DWORD lineColumn = 0;
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IMAGEHLP_LINE64 line;
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const char *image_file_name;
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const char *symbol_name;
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const char *file_name;
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char line_number[16];
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if (stack_frame.AddrPC.Offset == stack_frame.AddrReturn.Offset) {
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printf_message("PC == Return Address => Possible endless callstack");
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break;
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}
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memset(&module_info, 0, sizeof(module_info));
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module_info.SizeOfStruct = sizeof(module_info);
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if (!dyn_dbghelp.pSymGetModuleInfo64(process_information->hProcess, stack_frame.AddrPC.Offset, &module_info)) {
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image_file_name = "?";
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} else {
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image_file_name = get_simple_basename(module_info.ImageName);
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}
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memset(&symbol, 0, sizeof(symbol));
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symbol.symbol_info.SizeOfStruct = sizeof(symbol.symbol_info);
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symbol.symbol_info.MaxNameLen = MAX_SYM_NAME;
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if (!dyn_dbghelp.pSymFromAddr(process_information->hProcess, (DWORD64)(uintptr_t)stack_frame.AddrPC.Offset, &dwDisplacement, &symbol.symbol_info)) {
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symbol_name = "???";
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dwDisplacement = 0;
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} else {
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symbol_name = symbol.symbol_info.Name;
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}
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line.SizeOfStruct = sizeof(line);
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if (!dyn_dbghelp.pSymGetLineFromAddr64(process_information->hProcess, (DWORD64)(uintptr_t)stack_frame.AddrPC.Offset, &lineColumn, &line)) {
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file_name = "";
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line_number[0] = '\0';
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} else {
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file_name = line.FileName;
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snprintf(line_number, sizeof(line_number), "Line %u", (unsigned int)line.LineNumber);
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}
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printf_message("%s!%s+0x%x %s %s", image_file_name, symbol_name, dwDisplacement, file_name, line_number);
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}
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}
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static PCONTEXT FillInThreadContext(LPPROCESS_INFORMATION process_information, PCONTEXT context_buffer) {
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HANDLE thread_handle = NULL;
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thread_handle = OpenThread(THREAD_ALL_ACCESS, FALSE, process_information->dwThreadId);
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if (!thread_handle) {
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printf_windows_message("OpenThread failed: no stacktrace");
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return NULL;
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}
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memset(context_buffer, 0, sizeof(*context_buffer));
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context_buffer->ContextFlags = CONTEXT_ALL;
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if (!GetThreadContext(thread_handle, context_buffer)) {
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printf_windows_message("GetThreadContext failed: no stacktrace");
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CloseHandle(thread_handle);
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return NULL;
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}
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|
CloseHandle(thread_handle);
|
|
return context_buffer;
|
|
}
|
|
|
|
static void GetMSCExceptionName(HANDLE hProcess, ULONG_PTR *parameters, DWORD count_parameters, char *buffer, size_t buffer_size) {
|
|
|
|
#define FIXUP_DWORD_POINTER(ADDR) ((sizeof(void *) == 8) ? (parameters[3] + (ADDR)) : (ADDR))
|
|
#define CHECKED_ReadProcessMemory(PROCESS, ADDRESS, BUFFER, COUNT, WHAT) \
|
|
do { \
|
|
SIZE_T actual_count; \
|
|
BOOL res = ReadProcessMemory((PROCESS), (ADDRESS), (BUFFER), (COUNT), &actual_count); \
|
|
if (!res) { \
|
|
printf_windows_message(WHAT ": ReadProcessMemory failed"); \
|
|
strncpy_s(buffer, buffer_size, "<error>", buffer_size); \
|
|
return; \
|
|
} \
|
|
if ((COUNT) != (actual_count)) { \
|
|
printf_message(WHAT ": ReadProcessMemory did not read enough data actual=%lu expected=%lu", \
|
|
(unsigned long) (actual_count), (unsigned long) (COUNT)); \
|
|
strncpy_s(buffer, buffer_size, "<error>", buffer_size); \
|
|
return; \
|
|
} \
|
|
} while (0)
|
|
|
|
DWORD depth0;
|
|
char *ptr_depth0;
|
|
DWORD depth1;
|
|
char *ptr_depth1;
|
|
DWORD depth2;
|
|
char *ptr_depth2;
|
|
|
|
CHECKED_ReadProcessMemory(hProcess, (void *)(parameters[2] + 3 * sizeof(DWORD)), &depth0, sizeof(depth0), "depth 0");
|
|
ptr_depth0 = (char *)FIXUP_DWORD_POINTER(depth0);
|
|
CHECKED_ReadProcessMemory(hProcess, ptr_depth0 + 1 * sizeof(DWORD), &depth1, sizeof(depth1), "depth 1");
|
|
ptr_depth1 = (char *)FIXUP_DWORD_POINTER(depth1);
|
|
CHECKED_ReadProcessMemory(hProcess, ptr_depth1 + 1 * sizeof(DWORD), &depth2, sizeof(depth2), "depth 2");
|
|
ptr_depth2 = (char *)FIXUP_DWORD_POINTER(depth2);
|
|
CHECKED_ReadProcessMemory(hProcess, ptr_depth2 + 2 * sizeof(void*), buffer, buffer_size, "data");
|
|
buffer[buffer_size - 1] = '\0';
|
|
|
|
#undef FIXUP_DWORD_POINTER
|
|
#undef CHECKED_ReadProcessMemory
|
|
}
|
|
|
|
static void log_usage(const char *argv0) {
|
|
fprintf(stderr, "Usage: %s [--help] [--debug-stream] [--] PROGRAM [ARG1 [ARG2 [ARG3 ... ]]]\n", argv0);
|
|
}
|
|
|
|
int main(int argc, char *argv[]) {
|
|
int i;
|
|
int cmd_start;
|
|
size_t command_line_len = 0;
|
|
char *command_line;
|
|
STARTUPINFOA startup_info;
|
|
PROCESS_INFORMATION process_information;
|
|
BOOL success;
|
|
BOOL debugger_present;
|
|
DWORD exit_code;
|
|
DWORD creation_flags;
|
|
BOOL log_debug_stream = FALSE;
|
|
|
|
cmd_start = -1;
|
|
for (i = 1; i < argc; i++) {
|
|
if (strcmp(argv[i], "--") == 0) {
|
|
cmd_start = i + 1;
|
|
break;
|
|
} else if (strcmp(argv[i], "--debug-stream") == 0) {
|
|
log_debug_stream = TRUE;
|
|
continue;
|
|
} else if (strcmp(argv[i], "--help") == 0) {
|
|
log_usage(argv[0]);
|
|
return 0;
|
|
} else {
|
|
cmd_start = i;
|
|
break;
|
|
}
|
|
}
|
|
if (cmd_start < 0 || cmd_start >= argc) {
|
|
log_usage(argv[0]);
|
|
return 1;
|
|
}
|
|
|
|
for (i = cmd_start; i < argc; i++) {
|
|
command_line_len += strlen(argv[i]) + 1;
|
|
}
|
|
command_line = malloc(command_line_len + 1);
|
|
if (!command_line) {
|
|
printf_message("Failed to allocate memory for command line");
|
|
return 1;
|
|
}
|
|
command_line[0] = '\0';
|
|
for (i = cmd_start; i < argc; i++) {
|
|
strcat_s(command_line, command_line_len, argv[i]);
|
|
if (i != argc - 1) {
|
|
strcat_s(command_line, command_line_len, " ");
|
|
}
|
|
}
|
|
|
|
memset(&startup_info, 0, sizeof(startup_info));
|
|
startup_info.cb = sizeof(startup_info);
|
|
|
|
debugger_present = IsDebuggerPresent();
|
|
creation_flags = NORMAL_PRIORITY_CLASS;
|
|
if (!debugger_present) {
|
|
creation_flags |= DEBUG_PROCESS | DEBUG_ONLY_THIS_PROCESS;
|
|
}
|
|
success = CreateProcessA(
|
|
argv[cmd_start], /* LPCSTR lpApplicationName, */
|
|
command_line, /* LPSTR lpCommandLine, */
|
|
NULL, /* LPSECURITY_ATTRIBUTES lpProcessAttributes, */
|
|
NULL, /* LPSECURITY_ATTRIBUTES lpThreadAttributes, */
|
|
TRUE, /* BOOL bInheritHandles, */
|
|
creation_flags, /* DWORD dwCreationFlags, */
|
|
NULL, /* LPVOID lpEnvironment, */
|
|
NULL, /* LPCSTR lpCurrentDirectory, */
|
|
&startup_info, /* LPSTARTUPINFOA lpStartupInfo, */
|
|
&process_information); /* LPPROCESS_INFORMATION lpProcessInformation */
|
|
|
|
if (!success) {
|
|
printf_windows_message("Failed to start application \"%s\"", argv[cmd_start]);
|
|
return 1;
|
|
}
|
|
|
|
if (debugger_present) {
|
|
WaitForSingleObject(process_information.hProcess, INFINITE);
|
|
} else {
|
|
int process_alive = 1;
|
|
DEBUG_EVENT event;
|
|
while (process_alive) {
|
|
DWORD continue_status = DBG_CONTINUE;
|
|
success = WaitForDebugEvent(&event, INFINITE);
|
|
if (!success) {
|
|
printf_windows_message("Failed to get a debug event");
|
|
return 1;
|
|
}
|
|
switch (event.dwDebugEventCode) {
|
|
case OUTPUT_DEBUG_STRING_EVENT:
|
|
{
|
|
if (log_debug_stream) {
|
|
SIZE_T bytes_read = 0;
|
|
union {
|
|
char char_buffer[512];
|
|
WCHAR wchar_buffer[256];
|
|
} buffer;
|
|
if (ReadProcessMemory(process_information.hProcess, event.u.DebugString.lpDebugStringData, buffer.char_buffer, PRODCUMP_MIN(sizeof(buffer), event.u.DebugString.nDebugStringLength), &bytes_read) && bytes_read) {
|
|
if (event.u.DebugString.fUnicode) {
|
|
size_t len = bytes_read / 2;
|
|
buffer.wchar_buffer[255] = '\0';
|
|
while (len > 0 && (buffer.wchar_buffer[len - 1] == '\0' || buffer.wchar_buffer[len - 1] == '\n' || buffer.wchar_buffer[len - 1] == '\r')) {
|
|
buffer.wchar_buffer[len - 1] = '\0';
|
|
len -= 1;
|
|
}
|
|
if (len > 0) {
|
|
printf("[" APPNAME "] (debug) %S\n", buffer.wchar_buffer);
|
|
}
|
|
} else {
|
|
size_t len = bytes_read;
|
|
buffer.char_buffer[511] = '\0';
|
|
while (len > 0 && (buffer.char_buffer[len - 1] == '\0' || buffer.char_buffer[len - 1] == '\n' || buffer.char_buffer[len - 1] == '\r')) {
|
|
buffer.char_buffer[len - 1] = '\0';
|
|
len -= 1;
|
|
}
|
|
if (len > 0) {
|
|
printf("[" APPNAME "] (debug) %s\n", buffer.char_buffer);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case EXCEPTION_DEBUG_EVENT:
|
|
{
|
|
const BOOL cxx_exception = IsCXXException(event.u.Exception.ExceptionRecord.ExceptionCode);
|
|
const BOOL is_fatal = !cxx_exception && (IsFatalExceptionCode(event.u.Exception.ExceptionRecord.ExceptionCode) || (event.u.Exception.ExceptionRecord.ExceptionFlags & EXCEPTION_NONCONTINUABLE));
|
|
if (cxx_exception || is_fatal) {
|
|
char flag_buffer[256];
|
|
printf_message("EXCEPTION_DEBUG_EVENT");
|
|
printf_message(" ExceptionCode: 0x%08lx (%s)",
|
|
event.u.Exception.ExceptionRecord.ExceptionCode,
|
|
exceptionCode_to_string(event.u.Exception.ExceptionRecord.ExceptionCode));
|
|
printf_message(" ExceptionFlags: 0x%08lx (%s)",
|
|
event.u.Exception.ExceptionRecord.ExceptionFlags,
|
|
exceptionFlags_to_string(event.u.Exception.ExceptionRecord.ExceptionFlags, flag_buffer, sizeof(flag_buffer)));
|
|
|
|
printf_message(" FirstChance: %ld", event.u.Exception.dwFirstChance);
|
|
printf_message(" ExceptionAddress: 0x%08lx",
|
|
event.u.Exception.ExceptionRecord.ExceptionAddress);
|
|
}
|
|
if (cxx_exception) {
|
|
char exception_name[256];
|
|
GetMSCExceptionName(process_information.hProcess, event.u.Exception.ExceptionRecord.ExceptionInformation, event.u.Exception.ExceptionRecord.NumberParameters,
|
|
exception_name, sizeof(exception_name));
|
|
printf_message(" Exception name: %s", exception_name);
|
|
} else if (is_fatal) {
|
|
CONTEXT context_buffer;
|
|
PCONTEXT context;
|
|
|
|
printf_message(" (Non-continuable exception debug event)");
|
|
context = FillInThreadContext(&process_information, &context_buffer);
|
|
write_minidump(argv[cmd_start], &process_information, event.dwThreadId, &event.u.Exception.ExceptionRecord, context);
|
|
printf_message("");
|
|
#ifdef SDLPROCDUMP_PRINTSTACK
|
|
print_stacktrace(&process_information, event.u.Exception.ExceptionRecord.ExceptionAddress, context);
|
|
#else
|
|
printf_message("No support for printing stacktrack for current architecture");
|
|
#endif
|
|
DebugActiveProcessStop(event.dwProcessId);
|
|
process_alive = FALSE;
|
|
}
|
|
continue_status = DBG_EXCEPTION_NOT_HANDLED;
|
|
break;
|
|
}
|
|
case CREATE_PROCESS_DEBUG_EVENT:
|
|
load_dbghelp();
|
|
if (!dyn_dbghelp.pSymInitialize) {
|
|
printf_message("Cannot find pSymInitialize in dbghelp.dll: no stacktrace");
|
|
break;
|
|
}
|
|
/* Don't invade process on CI: downloading symbols will cause test timeouts */
|
|
if (!dyn_dbghelp.pSymInitialize(process_information.hProcess, NULL, FALSE)) {
|
|
printf_windows_message("SymInitialize failed: no stacktrace");
|
|
break;
|
|
}
|
|
break;
|
|
case EXIT_PROCESS_DEBUG_EVENT:
|
|
if (event.dwProcessId == process_information.dwProcessId) {
|
|
process_alive = 0;
|
|
DebugActiveProcessStop(event.dwProcessId);
|
|
}
|
|
break;
|
|
}
|
|
success = ContinueDebugEvent(event.dwProcessId, event.dwThreadId, continue_status);
|
|
if (!process_alive) {
|
|
DebugActiveProcessStop(event.dwProcessId);
|
|
}
|
|
}
|
|
}
|
|
if (dyn_dbghelp.pSymCleanup) {
|
|
dyn_dbghelp.pSymCleanup(process_information.hProcess);
|
|
}
|
|
unload_dbghelp();
|
|
|
|
exit_code = 1;
|
|
success = GetExitCodeProcess(process_information.hProcess, &exit_code);
|
|
|
|
if (!success) {
|
|
printf_message("Failed to get process exit code");
|
|
return 1;
|
|
}
|
|
|
|
CloseHandle(process_information.hThread);
|
|
CloseHandle(process_information.hProcess);
|
|
|
|
return exit_code;
|
|
}
|