zinface
/
SDL
mirror of https://github.com/libsdl-org/SDL
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

sdlprocdump: exceptions are not handled

This commit is contained in:
Anonymous Maarten 2024-07-08 21:18:20 +02:00
parent c4cbbca185
commit 1cddc7b66e
1 changed files with 50 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

63
test/win32/sdlprocdump.c
View File

@ -25,6 +25,10 @@
#pragma message("Unsupported architecture: don't know how to StackWalk")
#endif
#ifndef EXCEPTION_SOFTWARE_ORIGINATE
#define EXCEPTION_SOFTWARE_ORIGINATE 0x80
#endif
static void printf_message(const char *format, ...) {
va_list ap;
fprintf(stderr, "[" APPNAME "] ");
@ -142,6 +146,16 @@ static void unload_dbghelp(void) {
X(EXCEPTION_INVALID_HANDLE) \
X(STATUS_HEAP_CORRUPTION)
#define FOREACH_EXCEPTION_FLAGS(X) \
X(EXCEPTION_NONCONTINUABLE) \
X(EXCEPTION_UNWINDING) \
X(EXCEPTION_EXIT_UNWIND) \
X(EXCEPTION_STACK_INVALID) \
X(EXCEPTION_NESTED_CALL) \
X(EXCEPTION_TARGET_UNWIND) \
X(EXCEPTION_COLLIDED_UNWIND) \
X(EXCEPTION_SOFTWARE_ORIGINATE)
static const char *exceptionCode_to_string(DWORD dwCode) {
#define SWITCH_CODE_STR(V) case V: return #V;
switch (dwCode) {
@ -154,6 +168,21 @@ static const char *exceptionCode_to_string(DWORD dwCode) {
#undef SWITCH_CODE_STR
}
static const char *exceptionFlags_to_string(DWORD dwFlags, char *buffer, size_t buffer_length) {
buffer[0] = '\0';
#define APPEND_OR_STR(CODE) \
if (dwFlags & (CODE)) { \
if (buffer[0]) { \
strcat_s(buffer, buffer_length, "|"); \
} \
strcat_s(buffer, buffer_length, #CODE); \
}
FOREACH_EXCEPTION_FLAGS(APPEND_OR_STR)
return buffer;
}
static BOOL IsCXXException(DWORD dwCode) {
/* https://devblogs.microsoft.com/oldnewthing/20100730-00/?p=13273 */
return dwCode == 0xe06d7363; /* FOURCC(0xe0, 'm', 's', 'c') */
@ -509,21 +538,29 @@ int main(int argc, char *argv[]) {
}
switch (event.dwDebugEventCode) {
case EXCEPTION_DEBUG_EVENT:
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",
event.u.Exception.ExceptionRecord.ExceptionFlags);
printf_message(" FirstChance: %ld", event.u.Exception.dwFirstChance);
printf_message(" ExceptionAddress: 0x%08lx",
event.u.Exception.ExceptionRecord.ExceptionAddress);
if (IsCXXException(event.u.Exception.ExceptionRecord.ExceptionCode)) {
{
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 (IsFatalExceptionCode(event.u.Exception.ExceptionRecord.ExceptionCode) || (event.u.Exception.ExceptionRecord.ExceptionFlags & EXCEPTION_NONCONTINUABLE)) {
} else if (is_fatal) {
CONTEXT context_buffer;
PCONTEXT context;
@ -537,10 +574,10 @@ int main(int argc, char *argv[]) {
printf_message("No support for printing stacktrack for current architecture");
#endif
DebugActiveProcessStop(event.dwProcessId);
process_alive = 0;
}
continue_status = DBG_EXCEPTION_HANDLED;
continue_status = DBG_EXCEPTION_NOT_HANDLED;
break;
}
case CREATE_PROCESS_DEBUG_EVENT:
load_dbghelp();
if (!dyn_dbghelp.pSymInitialize) {