Added _syscall.s and _sigvec.c

diff --git a/mach/sun2/libsys/LIST b/mach/sun2/libsys/LIST
index 6597f0c..8e05850 100644 (file)
--- a/mach/sun2/libsys/LIST
+++ b/mach/sun2/libsys/LIST
@@ -138,6 +138,7 @@ sigsetmask.s
 _sigsetmask.s
 sigstack.s
 sigtramp.s
+_sigvec.c
 sigvec.c
 socket.s
 socketpair.s
@@ -147,6 +148,7 @@ statfs.s
 swapon.s
 symlink.s
 sync.s
+_syscall.s
 syscall.s
 time.c
 times.c

diff --git a/mach/sun2/libsys/_sigvec.c b/mach/sun2/libsys/_sigvec.c
new file mode 100644 (file)
index 0000000..0a8225a
--- /dev/null
+++ b/mach/sun2/libsys/_sigvec.c
@@ -0,0 +1,36 @@
+#include "syscall.h"
+#include <errno.h>
+struct sigvec { int (*handler)(); int mask,flags; };
+int (*(_sigfunc[32]))();
+extern int _sigtramp();
+extern int errno;
+
+_sigvec(sig,vec,ovec)
+       register struct sigvec *vec;
+       struct sigvec *ovec;
+{
+       struct sigvec tmp;
+       int (*old)();
+
+       if ((unsigned) sig >= 32) {
+               errno = EINVAL;
+               return -1;
+       }
+       old = _sigfunc[sig];
+       if (vec) {
+               tmp = *vec;
+               vec = &tmp;
+               if (vec->handler && vec->handler != (int (*)()) 1) {
+                       _sigfunc[sig] = vec->handler;
+                       vec->handler = _sigtramp;
+               }
+       }
+       if (_syscall(SYS_sigvec,sig,vec,ovec) < 0) {
+               _sigfunc[sig] = old;
+               return -1;
+       }
+       if (ovec && ovec->handler == _sigtramp) {
+               ovec->handler = old;
+       }
+       return 0;
+}

diff --git a/mach/sun2/libsys/_syscall.s b/mach/sun2/libsys/_syscall.s
new file mode 100644 (file)
index 0000000..98fe1f0
--- /dev/null
+++ b/mach/sun2/libsys/_syscall.s
@@ -0,0 +1,14 @@
+.sect .text
+.define __syscall
+__syscall:
+       move.l  4(sp),d0
+       move.l  (sp),4(sp)
+       move.l  d0,(sp)
+       trap    #0
+       bcs     1f
+       move.l  (sp),a0
+       jmp     (a0)
+1:
+       move.l  (sp),a0
+       move.l  a0,-(sp)
+       jmp     cerror