diff options
Diffstat (limited to 'lib/libc/arch/alpha/SYS.h')
| -rw-r--r-- | lib/libc/arch/alpha/SYS.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/lib/libc/arch/alpha/SYS.h b/lib/libc/arch/alpha/SYS.h index c1bb2bef372..b84d0801aac 100644 --- a/lib/libc/arch/alpha/SYS.h +++ b/lib/libc/arch/alpha/SYS.h @@ -1,4 +1,4 @@ -/* $OpenBSD: SYS.h,v 1.13 2015/10/23 04:39:24 guenther Exp $ */ +/* $OpenBSD: SYS.h,v 1.14 2016/05/16 16:20:58 guenther Exp $ */ /* $NetBSD: SYS.h,v 1.4 1996/10/17 03:03:53 cgd Exp $ */ /* @@ -29,8 +29,13 @@ */ #include <machine/asm.h> +#include <machine/pal.h> /* for PAL_rdunique */ #include <sys/syscall.h> + +/* offsetof(struct tib, tib_errno) - offsetof(struct tib, __tib_tcb) */ +#define TCB_OFFSET_ERRNO (-12) + /* * We define a hidden alias with the prefix "_libc_" for each global symbol * that may be used internally. By referencing _libc_x instead of x, other @@ -67,7 +72,11 @@ LLABEL(name,0): \ LDGP(gp); \ beq a3, LLABEL(name,1); \ - jmp zero, __cerror; \ + mov v0, t0; \ + call_pal PAL_rdunique; \ + stl t0, TCB_OFFSET_ERRNO(v0); \ + ldiq v0, -1; \ + RET; \ LLABEL(name,1): #define __LEAF(p,n,e) \ |