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-rw-r--r--libc/sysdeps/linux/mips/syscall.S55
1 files changed, 55 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/mips/syscall.S b/libc/sysdeps/linux/mips/syscall.S
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+++ b/libc/sysdeps/linux/mips/syscall.S
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+/* 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. */