grab syscall() from glibc

diff --git a/libc/sysdeps/linux/sparc/Makefile.arch b/libc/sysdeps/linux/sparc/Makefile.arch
index a6f44f2..1e401fc 100644 (file)
--- a/libc/sysdeps/linux/sparc/Makefile.arch
+++ b/libc/sysdeps/linux/sparc/Makefile.arch
@@ -9,6 +9,6 @@ CSRC := brk.c __syscall_error.c
 
 SSRC := \
        __longjmp.S fork.S vfork.S clone.S setjmp.S bsd-setjmp.S bsd-_setjmp.S \
-       urem.S udiv.S umul.S sdiv.S rem.S
+       syscall.S urem.S udiv.S umul.S sdiv.S rem.S
 
 include $(top_srcdir)libc/sysdeps/linux/Makefile.commonarch

diff --git a/libc/sysdeps/linux/sparc/syscall.S b/libc/sysdeps/linux/sparc/syscall.S
new file mode 100644 (file)
index 0000000..86055ec
--- /dev/null
+++ b/libc/sysdeps/linux/sparc/syscall.S
@@ -0,0 +1,50 @@
+/* Copyright (C) 1991, 1992, 1997, 2002 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 <features.h>
+#include <sys/syscall.h>
+
+.text
+.global syscall
+.type   syscall,%function
+#if __WORDSIZE == 32
+.align  4
+#else
+.align  2
+#endif
+
+syscall:
+       mov     %o0, %g1
+       mov     %o1, %o0
+       mov     %o2, %o1
+       mov     %o3, %o2
+       mov     %o4, %o3
+       mov     %o5, %o4
+
+#if __WORDSIZE == 32
+       ta      0x10
+       bcs     __syscall_error
+#else
+       ta      0x6d
+       bcs,pn %xcc,__syscall_error
+#endif
+
+        nop
+       retl
+        nop
+.size syscall,.-syscall