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sdlprocdump: print name of module throwing exceptions
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This commit is contained in:
Anonymous Maarten
2026-02-02 00:07:05 +01:00
parent 61ac7314b0
commit 5072b3d252
1 changed files with 33 additions and 2 deletions
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35
test/win32/sdlprocdump.c
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@@ -3,6 +3,7 @@
#endif
#include <windows.h>
#include <psapi.h>
#include <dbghelp.h>
#define ARRAY_SIZE(ARR) (sizeof(ARR) / sizeof((ARR)[0]))
@@ -498,6 +499,35 @@ static void log_usage(const char *argv0) {
fprintf(stderr, "Usage: %s [--help] [--debug-stream] [--] PROGRAM [ARG1 [ARG2 [ARG3 ... ]]]\n", argv0);
}
static char *GetModuleProvidingAddress(HANDLE hProcess, LPCVOID address)
{
static char result_buffer[MAX_PATH];
HMODULE modules[512];
DWORD modules_size;
int count_modules;
sprintf_s(result_buffer, sizeof(result_buffer), "<unknown module>");
if (!EnumProcessModules(hProcess, modules, sizeof(modules), &modules_size)) {
return result_buffer;
}
count_modules = modules_size / sizeof(HMODULE);
for (int i = 0; i < count_modules; i++) {
MODULEINFO module_info;
if (GetModuleInformation(hProcess, modules[i], &module_info, sizeof(module_info))) {
if ((uintptr_t)module_info.lpBaseOfDll <= (uintptr_t)address && (uintptr_t)address < (uintptr_t)module_info.lpBaseOfDll + module_info.SizeOfImage) {
char module_name[128];
if (!GetModuleBaseNameA(hProcess, modules[i], module_name, sizeof(module_name))) {
break;
}
sprintf_s(result_buffer, sizeof(result_buffer), "%s [%p-%p]", module_name,
module_info.lpBaseOfDll, (char *)module_info.lpBaseOfDll + module_info.SizeOfImage);
result_buffer[sizeof(result_buffer) - 1] = '\0';
}
}
}
return result_buffer;
}
int main(int argc, char *argv[]) {
int i;
int cmd_start;
@@ -635,8 +665,9 @@ int main(int argc, char *argv[]) {
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);
printf_message(" ExceptionAddress: %p (%s)",
event.u.Exception.ExceptionRecord.ExceptionAddress,
GetModuleProvidingAddress(process_information.hProcess, event.u.Exception.ExceptionRecord.ExceptionAddress));
}
if (cxx_exception) {
char exception_name[256];