[src/trunk]: src/sys/arch/m68k/m68k Add sunos_sigcode, sunos_esigcode trampol...

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/200372177e26
branches:  trunk
changeset: 472426:200372177e26
user:      christos <christos%NetBSD.org@localhost>
date:      Thu Apr 29 16:20:44 1999 +0000

description:
Add sunos_sigcode, sunos_esigcode trampoline that uses trap 1

diffstat:

 sys/arch/m68k/m68k/sigcode.s |  18 +++++++++++++++++-
 1 files changed, 17 insertions(+), 1 deletions(-)

diffs (36 lines):

diff -r 88d762dd5ed0 -r 200372177e26 sys/arch/m68k/m68k/sigcode.s
--- a/sys/arch/m68k/m68k/sigcode.s      Thu Apr 29 16:14:04 1999 +0000
+++ b/sys/arch/m68k/m68k/sigcode.s      Thu Apr 29 16:20:44 1999 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: sigcode.s,v 1.7 1999/04/19 21:22:59 kleink Exp $       */
+/*     $NetBSD: sigcode.s,v 1.8 1999/04/29 16:20:44 christos Exp $     */
 
 /*
  * Copyright (c) 1988 University of Utah.
@@ -78,6 +78,21 @@
        .align  2
 GLOBAL(esigcode)
 
+#ifdef COMPAT_SUNOS
+       .data
+       .align  2
+GLOBAL(sunos_sigcode)
+       movl    sp@(12),a0      | signal handler addr   (4 bytes)
+       jsr     a0@             | call signal handler   (2 bytes)
+       addql   #4,sp           | pop signal number     (2 bytes)
+       trap    #1              | special syscall entry (2 bytes)
+       movl    d0,sp@(4)       | save errno            (4 bytes)
+       moveq   #1,d0           | syscall == exit       (2 bytes)
+       trap    #0              | exit(errno)           (2 bytes)
+       .align  2
+GLOBAL(sunos_esigcode)
+#endif /* COMPAT_SUNOS */
+
 #ifdef COMPAT_SVR4
        .data
        .align  2
@@ -96,3 +111,4 @@
        .align  2
 GLOBAL(svr4_esigcode)
 #endif /* COMPAT_SVR4 */
+