src/internal/arm/syscall.s

   1 .global __syscall
   2 .hidden __syscall
   3 .type __syscall,%function
   4 __syscall:
   5         mov ip,sp
   6         stmfd sp!,{r4,r5,r6,r7}
   7         mov r7,r0
   8         mov r0,r1
   9         mov r1,r2
  10         mov r2,r3
  11         ldmfd ip,{r3,r4,r5,r6}
  12         svc 0
  13         ldmfd sp!,{r4,r5,r6,r7}
  14         bx lr