These three files should have been added in r9537.
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@9544 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/tests/asm.h b/tests/asm.h
new file mode 100644
index 0000000..d64a893
--- /dev/null
+++ b/tests/asm.h
@@ -0,0 +1,19 @@
+// Header to factor out platform differences in asm code.
+
+// On Darwin, all symbols get an underscore prepended when compiled. If we
+// use any such symbols in asm code, we need to add that underscore. So in
+// general, any symbol named in asm code should be wrapped by VG_SYM.
+
+// This one is for use in inline asm in C files.
+#if defined(VGO_darwin)
+#define VG_SYM(x) "_"#x
+#else
+#define VG_SYM(x) #x
+#endif
+
+// This one is for use in asm files.
+#if defined(VGO_darwin)
+#define VG_SYM_ASM(x) _#x
+#else
+#define VG_SYM_ASM(x) x
+#endif