/**
 * function _set_exit_status
 *
 * Description: Set exit flag.
 */
function _set_exit_status:long ()
%{ /* bpf */ /* unprivileged */ 
    0x118, 1, 0, 0, 0;          /* BPF_LD_MAP_FD(r1, map0) */
    0x7a, 10, 0, -8, 1; 	/* *(u64 *)(r10 - 8) = 1 (map value) */
    0xbf, 3, 10, 0, 0;  	/* r3 = r10 */
    0x07, 3, 0, 0, -8; 		/* r3 += -8 */
    0x62, 10, 0, -12, 0;  	/* *(u32 *)(r10 - 12) = 0 (map key) */ 
    0xbf, 2, 10, 0, 0;  	/* r2 = r10 */ 
    0x07, 2, 0, 0, -12;  	/* r2 += -12 */
    0xb7, 4, 0, 0, 0;		/* r4 = 0 (flags) */ 
    0x85, 0, 0, 0, 2;   	/* call bpf_map_update_elem */ 
    0xbf, $$, 0, 0, 0           /* return r0 */
%}

/**
 * function _send_exit_msg
 *
 * Description: Send an exit request through perf_events transport.
 */
function _send_exit_msg:long ()
%{ /* bpf */ /* unprivileged */
    0x118, $perf_events_map, -, -, 1; /* BPF_LD_MAP_FD($perf_events_map, map1) */
    alloc, $data, 8, align;
    0x7a, $data, -, -, 0x0;  /* stdw [$data+0], STP_EXIT */
    call, $rc, perf_event_output, $ctx, $perf_events_map, BPF_F_CURRENT_CPU, $data, 8;
%}