Rework sparc architecture support so it will compile

and run.  Seems to be working...
 -Erik

1 files changed, 35 insertions, 13 deletions

diff --git a/libc/sysdeps/linux/sparc/vfork.S b/libc/sysdeps/linux/sparc/vfork.S
index 2aef09ab1..0df960d65 100644
--- a/libc/sysdeps/linux/sparc/vfork.S
+++ b/libc/sysdeps/linux/sparc/vfork.S
@@ -3,28 +3,50 @@
    Contributed by Jakub Jelinek <jj@ultra.linux.cz>, 1999.
 
    The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
    The GNU C Library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
 /* Code taken from glibc2.2.2/sysdeps/unix/sysv/linux/sparc/vfork.S */
 
-#include "sysdep.h"
+#include <sys/syscall.h>
 
-PSEUDO (__vfork, vfork, 0)
+#ifndef __NR_vfork
+/* uClinux-2.0 only has fork which is really vfork */
+#define __NR_vfork __NR_fork
+#endif
+
+.text;  
+.global	vfork;
+.align 4;
+.type	vfork,@function;
+
+vfork:
+	mov __NR_vfork, %g1
+	ta	0x10
+	bcc,a	9000f
+	nop
+	save    %sp,-96,%sp
+	call __errno_location
+	nop
+	st	%i0,[%o0]
+	jmpl	%i7+8,%g0
+	restore	%g0,-1,%o0
+
+9000:
 	sub	%o1, 1, %o1
 	retl
-	 and	%o0, %o1, %o0
+	and	%o0, %o1, %o0
+
+.size vfork,.-vfork;
 
-.size __vfork,.-__vfork
-.weak vfork; vfork = __vfork;