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-rw-r--r--libc/sysdeps/linux/mips/pipe.S39
1 files changed, 39 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/mips/pipe.S b/libc/sysdeps/linux/mips/pipe.S
new file mode 100644
index 000000000..039b24305
--- /dev/null
+++ b/libc/sysdeps/linux/mips/pipe.S
@@ -0,0 +1,39 @@
+/* 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/mipsregs.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