'syscall' now properly works for MIPS.

1 files changed, 55 insertions, 0 deletions

diff --git a/libc/sysdeps/linux/mips/syscall.S b/libc/sysdeps/linux/mips/syscall.S
new file mode 100644
index 000000000..c197a25c0
--- /dev/null
+++ b/libc/sysdeps/linux/mips/syscall.S
@@ -0,0 +1,55 @@
+/* Copyright (C) 1996, 1997 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 <asm/asm.h>
+#include <asm/regdef.h>
+
+#ifdef PIC
+	.option pic2
+#endif
+.text
+.align  2
+.globl  syscall
+.type   syscall,@function
+.ent    syscall
+syscall:
+	move	v0, a0		/* Load system call number from first arg.  */
+	move	a0, a1		/* Move the next three args up a register.  */
+	move	a1, a2
+	move	a2, a3
+     	/* Load the remaining possible args (up to 11) from the stack.  */
+#ifdef __mips64
+	ld	t0,4*8(sp)
+	ld	t1,5*8(sp)
+	ld	t2,6*8(sp)
+	ld	t3,7*8(sp)
+	ld	t4,8*8(sp)
+	ld	t5,9*8(sp)
+	ld	t6,10*8(sp)
+#else
+	lw	t0,4*4(sp)
+	lw	t1,5*4(sp)
+	lw	t2,6*4(sp)
+	lw	t3,7*4(sp)
+	lw	t4,8*4(sp)
+	lw	t5,9*4(sp)
+	lw	t6,10*4(sp)
+#endif
+	syscall			/* Do the system call.  */
+     	j ra			/* Return to caller.  */