//
//===----------------------------------------------------------------------===//
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm-c/Core.h"
+#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Twine.h"
+#include "llvm/Config/config.h"
#include "llvm/Support/Debug.h"
-#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/Signals.h"
+#include "llvm/Support/Threading.h"
#include "llvm/Support/raw_ostream.h"
-#include "llvm/System/Signals.h"
-#include "llvm/System/Threading.h"
#include <cassert>
#include <cstdlib>
+
+#if defined(HAVE_UNISTD_H)
+# include <unistd.h>
+#endif
+#if defined(_MSC_VER)
+# include <io.h>
+# include <fcntl.h>
+#endif
+
using namespace llvm;
-using namespace std;
static fatal_error_handler_t ErrorHandler = 0;
static void *ErrorHandlerUserData = 0;
ErrorHandler = 0;
}
-void llvm::report_fatal_error(const char *reason) {
- report_fatal_error(Twine(reason));
+void llvm::report_fatal_error(const char *Reason, bool GenCrashDiag) {
+ report_fatal_error(Twine(Reason), GenCrashDiag);
+}
+
+void llvm::report_fatal_error(const std::string &Reason, bool GenCrashDiag) {
+ report_fatal_error(Twine(Reason), GenCrashDiag);
}
-void llvm::report_fatal_error(const std::string &reason) {
- report_fatal_error(Twine(reason));
+void llvm::report_fatal_error(StringRef Reason, bool GenCrashDiag) {
+ report_fatal_error(Twine(Reason), GenCrashDiag);
}
-void llvm::report_fatal_error(const Twine &reason) {
- if (!ErrorHandler) {
- errs() << "LLVM ERROR: " << reason << "\n";
+void llvm::report_fatal_error(const Twine &Reason, bool GenCrashDiag) {
+ if (ErrorHandler) {
+ ErrorHandler(ErrorHandlerUserData, Reason.str(), GenCrashDiag);
} else {
- ErrorHandler(ErrorHandlerUserData, reason.str());
+ // Blast the result out to stderr. We don't try hard to make sure this
+ // succeeds (e.g. handling EINTR) and we can't use errs() here because
+ // raw ostreams can call report_fatal_error.
+ SmallVector<char, 64> Buffer;
+ raw_svector_ostream OS(Buffer);
+ OS << "LLVM ERROR: " << Reason << "\n";
+ StringRef MessageStr = OS.str();
+ ssize_t written = ::write(2, MessageStr.data(), MessageStr.size());
+ (void)written; // If something went wrong, we deliberately just give up.
}
// If we reached here, we are failing ungracefully. Run the interrupt handlers
dbgs() << " at " << file << ":" << line;
dbgs() << "!\n";
abort();
+#ifdef LLVM_BUILTIN_UNREACHABLE
+ // Windows systems and possibly others don't declare abort() to be noreturn,
+ // so use the unreachable builtin to avoid a Clang self-host warning.
+ LLVM_BUILTIN_UNREACHABLE;
+#endif
+}
+
+static void bindingsErrorHandler(void *user_data, const std::string& reason,
+ bool gen_crash_diag) {
+ LLVMFatalErrorHandler handler =
+ LLVM_EXTENSION reinterpret_cast<LLVMFatalErrorHandler>(user_data);
+ handler(reason.c_str());
+}
+
+void LLVMInstallFatalErrorHandler(LLVMFatalErrorHandler Handler) {
+ install_fatal_error_handler(bindingsErrorHandler,
+ LLVM_EXTENSION reinterpret_cast<void *>(Handler));
+}
+
+void LLVMResetFatalErrorHandler() {
+ remove_fatal_error_handler();
}