use syscall_arg_t and __scc macro for arguments to __alt_socketcall

[musl] / src / thread / or1k / clone.s

/* int clone(fn, stack, flags, arg, ptid, tls, ctid)
 *           r3  r4     r5     r6   sp+0  sp+4 sp+8
 * sys_clone(flags, stack, ptid, ctid, tls)
 */
.global __clone
.hidden __clone
.type   __clone,@function
__clone:
        l.addi  r4, r4, -8
        l.sw    0(r4), r3
        l.sw    4(r4), r6
        /* (fn, st, fl, ar, pt, tl, ct) => (fl, st, pt, ct, tl) */
        l.ori   r3, r5, 0
        l.lwz   r5, 0(r1)
        l.lwz   r6, 8(r1)
        l.lwz   r7, 4(r1)
        l.ori   r11, r0, 220 /* __NR_clone */
        l.sys   1

        l.sfeqi r11, 0
        l.bf    1f
         l.nop
        l.jr    r9
         l.nop

1:      l.lwz   r11, 0(r1)
        l.jalr  r11
         l.lwz  r3, 4(r1)

        l.ori   r11, r0, 93 /* __NR_exit */
        l.sys   1