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- /* pipe system call for Linux/MIPS */
- /*see uClibc's sh/pipe.c and glibc-2.2.4's mips/pipe.S */
- #include <features.h>
- #include <asm/asm.h>
- #include <asm/unistd.h>
- #include <asm/regdef.h>
- .globl pipe
- .ent pipe, 0
- pipe:
- #ifdef PROF
- .set noat
- move $1,ra
- subu sp,sp,8 # _mcount pops 2 words from stack
- jal _mcount
- .set at
- #endif
- addiu sp,sp,-24
- sw a0,16(sp)
- li v0,__NR_pipe
- syscall
- beqz a3, 1f
- la t3, errno
- sw v0, (t3)
- li v0, -1
- b 2f
- 1:
- lw a0, 16(sp)
- sw v0, 0(a0)
- sw v1, 4(a0)
- li v0, 0
- 2:
- addiu sp,sp,24
- j ra
- .end pipe
- .size pipe,.-pipe
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