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-rw-r--r--libc/arch-sh/syscalls/futex.S36
1 files changed, 36 insertions, 0 deletions
diff --git a/libc/arch-sh/syscalls/futex.S b/libc/arch-sh/syscalls/futex.S
new file mode 100644
index 0000000..2aabd92
--- /dev/null
+++ b/libc/arch-sh/syscalls/futex.S
@@ -0,0 +1,36 @@
+/* autogenerated by gensyscalls.py */
+#include <sys/linux-syscalls.h>
+
+ .text
+ .type futex, @function
+ .globl futex
+ .align 4
+
+futex:
+
+ /* get ready for additonal arg */
+ mov.l @r15, r0
+ mov.l @(4, r15), r1
+
+ /* invoke trap */
+ mov.l 0f, r3 /* trap num */
+ trapa #(6 + 0x10)
+
+ /* check return value */
+ cmp/pz r0
+ bt __NR_futex_end
+
+ /* keep error number */
+ sts.l pr, @-r15
+ mov.l 1f, r1
+ jsr @r1
+ mov r0, r4
+ lds.l @r15+, pr
+
+__NR_futex_end:
+ rts
+ nop
+
+ .align 2
+0: .long __NR_futex
+1: .long __set_syscall_errno