nasmlib: Add generic panic() macro, and no-return nasm_panic()
Add a generic panic() macro which we can simply insert where an
internal error happens. Also, create a nasm_panic() function
the only purpose of which is to let the compiler know that we will
never return after a panic.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
diff --git a/compiler.h b/compiler.h
index de7c0e4..e9022f8 100644
--- a/compiler.h
+++ b/compiler.h
@@ -188,4 +188,13 @@
# define no_return void
#endif
+/*
+ * How to tell the compiler that a function takes a printf-like string
+ */
+#ifdef __GNUC__
+# define printf_func(fmt, list) __attribute__((format(printf, fmt, list)))
+#else
+# define printf_func(fmt, list)
+#endif
+
#endif /* NASM_COMPILER_H */