lib9: remove getcallerpc implementations

These make no sense and are not really needed at all.
Add a best-effort attempt to get at the gcc/clang macro
in lib9.h, but if it fails, no big deal.

Fixes #324.

1 files changed, 0 insertions, 7 deletions

diff --git a/src/lib9/getcallerpc-x86_64.c b/src/lib9/getcallerpc-x86_64.c
deleted file mode 100644
index 1367370e..00000000
--- a/src/lib9/getcallerpc-x86_64.c
+++ /dev/null
@@ -1,7 +0,0 @@
-#include <lib9.h>
-
-ulong
-getcallerpc(void *x)
-{
-	return (((ulong*)(x))[-1]);
-}