nsz Git - musl/blob - src/thread/arm/syscall_cp.s

   1 .syntax unified
   2 .global __cp_begin
   3 .hidden __cp_begin
   4 .global __cp_end
   5 .hidden __cp_end
   6 .global __cp_cancel
   7 .hidden __cp_cancel
   8 .hidden __cancel
   9 .global __syscall_cp_asm
  10 .hidden __syscall_cp_asm
  11 .type __syscall_cp_asm,%function
  12 __syscall_cp_asm:
  13         mov ip,sp
  14         stmfd sp!,{r4,r5,r6,r7}
  15 __cp_begin:
  16         ldr r0,[r0]
  17         cmp r0,#0
  18         bne __cp_cancel
  19         mov r7,r1
  20         mov r0,r2
  21         mov r1,r3
  22         ldmfd ip,{r2,r3,r4,r5,r6}
  23         svc 0
  24 __cp_end:
  25         ldmfd sp!,{r4,r5,r6,r7}
  26         bx lr
  27 __cp_cancel:
  28         ldmfd sp!,{r4,r5,r6,r7}
  29         b __cancel