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impr: Unionize exception and assertion handling

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WerWolv
2025-12-15 09:52:13 +01:00
parent 49bbe7dc77
commit cfac7ff0ba
10 changed files with 84 additions and 37 deletions
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31
lib/trace/source/exceptions.cpp
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@@ -2,8 +2,9 @@
namespace hex::trace {
static std::optional<StackTraceResult> s_lastExceptionStackTrace;
static thread_local std::optional<StackTraceResult> s_lastExceptionStackTrace;
static thread_local bool s_threadExceptionCaptureEnabled = false;
static AssertionHandler s_assertionHandler = nullptr;
std::optional<StackTraceResult> getLastExceptionStackTrace() {
if (!s_lastExceptionStackTrace.has_value())
@@ -15,18 +16,26 @@ namespace hex::trace {
return result;
}
void setAssertionHandler(AssertionHandler handler) {
s_assertionHandler = handler;
}
void enableExceptionCaptureForCurrentThread() {
s_threadExceptionCaptureEnabled = true;
}
void disableExceptionCaptureForCurrentThread() {
s_threadExceptionCaptureEnabled = false;
}
}
#if defined(HEX_WRAP_CXA_THROW)
extern "C" {
[[noreturn]] void __real___cxa_throw(void* thrownException, void* type, void (*destructor)(void*));
[[noreturn]] void __wrap___cxa_throw(void* thrownException, void* type, void (*destructor)(void*)) {
[[noreturn]] void __real___cxa_throw(void* thrownException, std::type_info* type, void (*destructor)(void*));
[[noreturn]] void __wrap___cxa_throw(void* thrownException, std::type_info* type, void (*destructor)(void*)) {
if (hex::trace::s_threadExceptionCaptureEnabled)
hex::trace::s_lastExceptionStackTrace = hex::trace::getStackTrace();
@@ -41,19 +50,15 @@ namespace hex::trace {
extern "C" {
[[noreturn]] void __real__ZSt21__glibcxx_assert_failPKciS0_S0_(const char* file, int line, const char* function, const char* condition);
[[noreturn]] void __wrap__ZSt21__glibcxx_assert_failPKciS0_S0_(const char* file, int line, const char* function, const char* condition) {
if (file != nullptr && function != nullptr && condition != nullptr) {
fprintf(stderr, "Assertion failed (glibc++): (%s), function %s, file %s, line %d.\n", condition, function, file, line);
} else if (function != nullptr) {
fprintf(stderr, "%s: Undefined behavior detected (glibc++).\n", function);
if (hex::trace::s_assertionHandler != nullptr) {
hex::trace::s_assertionHandler(file, line, function, condition);
} else {
__real__ZSt21__glibcxx_assert_failPKciS0_S0_(file, line, function, condition);
}
auto stackTrace = hex::trace::getStackTrace();
for (const auto &entry : stackTrace.stackFrames) {
fprintf(stderr, " %s at %s:%d\n", entry.function.c_str(), entry.file.c_str(), entry.line);
}
std::terminate();
std::abort();
}
}