clone.s raw

   1  /* int clone(fn, stack, flags, arg, ptid, tls, ctid)
   2   *           r3  r4     r5     r6   sp+0  sp+4 sp+8
   3   * sys_clone(flags, stack, ptid, ctid, tls)
   4   */
   5  .global __clone
   6  .hidden __clone
   7  .type   __clone,@function
   8  __clone:
   9  	l.addi	r4, r4, -8
  10  	l.sw	0(r4), r3
  11  	l.sw	4(r4), r6
  12  	/* (fn, st, fl, ar, pt, tl, ct) => (fl, st, pt, ct, tl) */
  13  	l.ori	r3, r5, 0
  14  	l.lwz	r5, 0(r1)
  15  	l.lwz	r6, 8(r1)
  16  	l.lwz	r7, 4(r1)
  17  	l.ori	r11, r0, 220 /* __NR_clone */
  18  	l.sys	1
  19  
  20  	l.sfeqi	r11, 0
  21  	l.bf	1f
  22  	 l.nop
  23  	l.jr	r9
  24  	 l.nop
  25  
  26  1:	l.lwz	r11, 0(r1)
  27  	l.jalr	r11
  28  	 l.lwz	r3, 4(r1)
  29  
  30  	l.ori	r11, r0, 93 /* __NR_exit */
  31  	l.sys	1
  32