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authorMike Frysinger <vapier@gentoo.org>2006-02-07 03:08:53 +0000
committerMike Frysinger <vapier@gentoo.org>2006-02-07 03:08:53 +0000
commit65d74dd0d475b24a32ccf824a0ddd1fa14da58c6 (patch)
tree51edbb0095bf39ee49e864eaf6492b52084776fe /libc
parentc0b6c3ba7bf837b27c103af4779bdd322afc31cd (diff)
grab syscall() from glibc
Diffstat (limited to 'libc')
-rw-r--r--libc/sysdeps/linux/sparc/Makefile.arch2
-rw-r--r--libc/sysdeps/linux/sparc/syscall.S50
2 files changed, 51 insertions, 1 deletions
diff --git a/libc/sysdeps/linux/sparc/Makefile.arch b/libc/sysdeps/linux/sparc/Makefile.arch
index a6f44f2f0..1e401fc84 100644
--- 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
index 000000000..86055ec71
--- /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