From cd749a9c07f1de2fb8affde90537efa4bc3e7c54 Mon Sep 17 00:00:00 2001
From: rdivacky <rdivacky@FreeBSD.org>
Date: Wed, 14 Oct 2009 17:57:32 +0000
Subject: Update llvm to r84119.
---
lib/Support/ErrorHandling.cpp | 73 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 73 insertions(+)
create mode 100644 lib/Support/ErrorHandling.cpp
(limited to 'lib/Support/ErrorHandling.cpp')
diff --git a/lib/Support/ErrorHandling.cpp b/lib/Support/ErrorHandling.cpp
new file mode 100644
index 0000000..dff4f03
--- /dev/null
+++ b/lib/Support/ErrorHandling.cpp
@@ -0,0 +1,73 @@
+//===- lib/Support/ErrorHandling.cpp - Callbacks for errors -----*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines an API for error handling, it supersedes cerr+abort(), and
+// cerr+exit() style error handling.
+// Callbacks can be registered for these errors through this API.
+//===----------------------------------------------------------------------===//
+
+#include "llvm/ADT/Twine.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/System/Threading.h"
+#include <cassert>
+#include <cstdlib>
+
+using namespace llvm;
+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 *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() {
+ 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(ErrorHandlerUserData, reason.str());
+ }
+ exit(1);
+}
+
+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";
+ errs() << "UNREACHABLE executed";
+ if (file)
+ errs() << " at " << file << ":" << line;
+ errs() << "!\n";
+ abort();
+}
+}
+
--
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