diff options
| author |   kettenis <kettenis@openbsd.org> | 2011-11-08 15:56:52 +0000 |
|---|---|---|
| committer | kettenis <kettenis@openbsd.org> | 2011-11-08 15:56:52 +0000 |
| commit | d6e5fd693046cab138835d548df8230ea1c2efdd (patch) | |
| tree | 11b45c690d05648e240a536cfce8f53514eed69a | |
| parent | Save and restore cr27 and add the necessary glue to use it as the userland (diff) | |
| download | wireguard-openbsd-d6e5fd693046cab138835d548df8230ea1c2efdd.tar.xz wireguard-openbsd-d6e5fd693046cab138835d548df8230ea1c2efdd.zip | |
Add the __cerror asm bits for per-thread errno support for hppa.
ok guenther@
| -rw-r--r-- | lib/librthread/arch/hppa/cerror.S | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/lib/librthread/arch/hppa/cerror.S b/lib/librthread/arch/hppa/cerror.S new file mode 100644 index 00000000000..ec11eae73d9 --- /dev/null +++ b/lib/librthread/arch/hppa/cerror.S @@ -0,0 +1,33 @@ +/* $OpenBSD: cerror.S,v 1.1 2011/11/08 15:56:52 kettenis Exp $ */ + +/* + * Copyright (c) 2011 Mark Kettenis + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include "SYS.h" + +#define ERRNOPTR_OFFSET 16 + +ENTRY(__cerror,0) + mfctl cr27, r1 + ldw 4(r1), r1 + ldw ERRNOPTR_OFFSET(r1), r1 + stw t1, 0(r1) + ldi -1, ret0 + bv r0(rp) + ldi -1, ret1 +EXIT(__cerror) + + .end |