Revert "Lose the hand-written futex assembler."
This reverts commit ced906c849704f379d7191822f6d74993d4fa296.
Causes issues on art / dalvik due to a broken return value
check and other undiagnosed issues.
bug: 15195455
Change-Id: I5d6bbb389ecefb0e33a5237421a9d56d32a9317c
diff --git a/libc/arch-x86_64/syscalls/futex.S b/libc/arch-x86_64/syscalls/futex.S
new file mode 100644
index 0000000..62f64bd
--- /dev/null
+++ b/libc/arch-x86_64/syscalls/futex.S
@@ -0,0 +1,17 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(futex)
+ movq %rcx, %r10
+ movl $__NR_futex, %eax
+ syscall
+ cmpq $-MAX_ERRNO, %rax
+ jb 1f
+ negl %eax
+ movl %eax, %edi
+ call __set_errno
+ orq $-1, %rax
+1:
+ ret
+END(futex)