1 // __syscall_cp_asm(&self->cancel, nr, u, v, w, x, y, z) 2 // x0 x1 x2 x3 x4 x5 x6 x7 3 4 // syscall(nr, u, v, w, x, y, z) 5 // x8 x0 x1 x2 x3 x4 x5 6 7 .global __cp_begin 8 .hidden __cp_begin 9 .global __cp_end 10 .hidden __cp_end 11 .global __cp_cancel 12 .hidden __cp_cancel 13 .hidden __cancel 14 .global __syscall_cp_asm 15 .hidden __syscall_cp_asm 16 .type __syscall_cp_asm,%function 17 __syscall_cp_asm: 18 __cp_begin: 19 ldr w0,[x0] 20 cbnz w0,__cp_cancel 21 mov x8,x1 22 mov x0,x2 23 mov x1,x3 24 mov x2,x4 25 mov x3,x5 26 mov x4,x6 27 mov x5,x7 28 svc 0 29 __cp_end: 30 ret 31 __cp_cancel: 32 b __cancel 33