Add end of function marker, which can be used on ELF to correctly set

the function size.

llvm-svn: 199914

compiler-rt/lib/assembly.h

@@ -80,4 +80,11 @@
 # define DEFINE_AEABI_FUNCTION_ALIAS(aeabi_name, name)
 #endif
 
+#ifdef __ELF__
+#define END_COMPILERRT_FUNCTION(name) \
+	.size	SYMBOL_NAME(name), . - SYMBOL_NAME(name)
+#else
+#define END_COMPILERRT_FUNCTION(name)
+#endif
+
 #endif /* COMPILERRT_ASSEMBLY_H */