Add a local '_dl_errno' to be used by syscalls in ldso, allowing

useful syscall failure diagnostics.

1 files changed, 4 insertions, 6 deletions

diff --git a/ldso/ldso/cris/dl-syscalls.h b/ldso/ldso/cris/dl-syscalls.h
index 651280c18..dc0cc6164 100644
--- a/ldso/ldso/cris/dl-syscalls.h
+++ b/ldso/ldso/cris/dl-syscalls.h
@@ -1,7 +1,5 @@
-/* 
- * Define the __set_errno macro as nothing so that INLINE_SYSCALL
- * won't set errno, which is important since we make system calls
- * before the errno symbol is dynamicly linked. 
- */
-#define __set_errno(X) {(void)(X);}
+/* We can't use the real errno in ldso, since it has not yet
+ * been dynamicly linked in yet. */
+extern int _dl_errno;
+#define __set_errno(X) {(_dl_errno) = (X);}
 #include "sys/syscall.h"