libc-top-half/musl/src/thread/arm/clone.s

   1 .syntax unified
   2 .text
   3 .global __clone
   4 .hidden __clone
   5 .type   __clone,%function
   6 __clone:
   7         stmfd sp!,{r4,r5,r6,r7}
   8         mov r7,#120
   9         mov r6,r3
  10         mov r5,r0
  11         mov r0,r2
  12         and r1,r1,#-16
  13         ldr r2,[sp,#16]
  14         ldr r3,[sp,#20]
  15         ldr r4,[sp,#24]
  16         svc 0
  17         tst r0,r0
  18         beq 1f
  19         ldmfd sp!,{r4,r5,r6,r7}
  20         bx lr
  21
  22 1:      mov r0,r6
  23         tst r5,#1
  24         bne 1f
  25         mov lr,pc
  26         mov pc,r5
  27 2:      mov r7,#1
  28         svc 0
  29
  30 1:      mov lr,pc
  31         bx r5
  32         b 2b