From a9b6db9b78d8c63eafde91be08f12c6fa0ba1311 Mon Sep 17 00:00:00 2001 From: "\"Steven J. Hill\"" Date: Wed, 4 Sep 2002 21:56:24 +0000 Subject: 'syscall' now properly works for MIPS. --- libc/sysdeps/linux/mips/syscall.S | 55 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 libc/sysdeps/linux/mips/syscall.S (limited to 'libc/sysdeps/linux/mips/syscall.S') 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 +#include +#include + +#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. */ -- cgit v1.2.3