// Callbacks can be registered for these errors through this API.
//===----------------------------------------------------------------------===//
-#include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/Twine.h"
+#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/System/Threading.h"
using namespace std;
static llvm_error_handler_t ErrorHandler = 0;
+static void *ErrorHandlerUserData = 0;
+
namespace llvm {
-void llvm_install_error_handler(llvm_error_handler_t handler) {
+void llvm_install_error_handler(llvm_error_handler_t handler,
+ void *user_data) {
assert(!llvm_is_multithreaded() &&
"Cannot register error handlers after starting multithreaded mode!\n");
assert(!ErrorHandler && "Error handler already registered!\n");
ErrorHandler = handler;
+ ErrorHandlerUserData = user_data;
}
-void llvm_remove_error_handler(void) {
+void llvm_remove_error_handler() {
ErrorHandler = 0;
}
+void llvm_report_error(const char *reason) {
+ llvm_report_error(Twine(reason));
+}
+
void llvm_report_error(const std::string &reason) {
+ llvm_report_error(Twine(reason));
+}
+
+void llvm_report_error(const Twine &reason) {
if (!ErrorHandler) {
errs() << "LLVM ERROR: " << reason << "\n";
} else {
- ErrorHandler(reason);
+ ErrorHandler(ErrorHandlerUserData, reason.str());
}
exit(1);
}
-void llvm_unreachable(const char *msg) {
+void llvm_unreachable_internal(const char *msg, const char *file,
+ unsigned line) {
+ // This code intentionally doesn't call the ErrorHandler callback, because
+ // llvm_unreachable is intended to be used to indicate "impossible"
+ // situations, and not legitimate runtime errors.
if (msg)
- errs() << msg << "\n";
+ dbgs() << msg << "\n";
+ dbgs() << "UNREACHABLE executed";
+ if (file)
+ dbgs() << " at " << file << ":" << line;
+ dbgs() << "!\n";
abort();
}
}