lib: Add support for library wide utility functions, and make compilerrt_abort()
a real boy.
- The utility module needs to be included into every produced library, because
we don't have enough dependency tracking to know exactly which other modules
might require the utilities.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@144751 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/int_util.h b/lib/int_util.h
new file mode 100644
index 0000000..797204f
--- /dev/null
+++ b/lib/int_util.h
@@ -0,0 +1,29 @@
+/* ===-- int_util.h - internal utility functions ----------------------------===
+ *
+ * The LLVM Compiler Infrastructure
+ *
+ * This file is dual licensed under the MIT and the University of Illinois Open
+ * Source Licenses. See LICENSE.TXT for details.
+ *
+ * ===-----------------------------------------------------------------------===
+ *
+ * This file is not part of the interface of this library.
+ *
+ * This file defines non-inline utilities which are available for use in the
+ * library. The function definitions themselves are all contained in int_util.c
+ * which will always be compiled into any compiler-rt library.
+ *
+ * ===-----------------------------------------------------------------------===
+ */
+
+#ifndef INT_UTIL_H
+#define INT_UTIL_H
+
+/** \brief Trigger a program abort (or panic for kernel code). */
+#define compilerrt_abort() compilerrt_abort_impl(__FILE__, __LINE__, \
+ __FUNCTION__)
+void compilerrt_abort_impl(const char *file, int line,
+ const char *function)
+ __attribute__((noreturn)) __attribute__((visibility("hidden")));
+
+#endif /* INT_UTIL_H */