Adjust sparc port do it now actually works.

 -Erik

1 files changed, 46 insertions, 0 deletions

diff --git a/libc/sysdeps/linux/sparc/fork.S b/libc/sysdeps/linux/sparc/fork.S
new file mode 100644
index 000000000..6bab58c81
--- /dev/null
+++ b/libc/sysdeps/linux/sparc/fork.S
@@ -0,0 +1,46 @@
+/* Copyright (C) 1991, 92, 94, 95, 97, 99 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   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
+   Lesser General Public License for more details.
+
+   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.  */
+
+#include <sysdep.h>
+
+.text;  
+.global    fork;
+.align 4;      
+fork: ;
+.type   fork  ,@function; ;      
+
+	mov	2, %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:;
+
+	/* %o1 is now 0 for the parent and 1 for the child.  Decrement it to
+	   make it -1 (all bits set) for the parent, and 0 (no bits set)
+	   for the child.  Then AND it with %o0, so the parent gets
+	   %o0&-1==pid, and the child gets %o0&0==0.  */
+	sub %o1, 1, %o1
+	retl
+	and %o0, %o1, %o0
+