1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
.global __syscall .hidden __syscall .type __syscall,%function __syscall: mov ip,sp stmfd sp!,{r4,r5,r6,r7} mov r7,r0 mov r0,r1 mov r1,r2 mov r2,r3 ldmfd ip,{r3,r4,r5,r6} svc 0 ldmfd sp!,{r4,r5,r6,r7} tst lr,#1 moveq pc,lr bx lr