1 #include <machine/asm.h>
2 #include <sys/syscall.h>
5 #define KERNCALL movq %rcx, %r10; syscall
7 #define SYSCALL_ERR(x) \
8 ENTRY(__CONCAT(x, _err)); \
9 mov __CONCAT($SYS,x),%rax; KERNCALL; ret
12 SYSCALL_ERR(_umtx_sleep)
13 SYSCALL_ERR(_umtx_wakeup)