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/* pipe system call for Linux/MIPS */
/*
* Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
*
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
/*see uClibc's sh/pipe.c and glibc-2.2.4's mips/pipe.S */
#include <features.h>
#include <sys/asm.h>
#include <asm/unistd.h>
#include <sys/regdef.h>
.globl pipe
.ent pipe, 0
.type pipe,@function
pipe:
#ifdef __PIC__
SETUP_GP
#endif
li v0,__NR_pipe
syscall
bnez a3, 1f
sw v0, 0(a0)
sw v1, 4(a0)
li v0, 0
j ra
1:
/* uClibc change -- start */
move a0,v0 /* Pass return val to C function. */
/* uClibc change -- stop */
#ifdef __PIC__
SETUP_GP64(v0, pipe)
PTR_LA t9, __syscall_error
RESTORE_GP64
jr t9
#else
j __syscall_error
#endif
1:
.end pipe
.size pipe,.-pipe
libc_hidden_def(pipe)
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