samples/seccomp/bpf-helper.c

19 int bpf_resolve_jumps(struct bpf_labels *labels,
37 			if (labels->labels[instr->k].location == 0xffffffff) {
39 					labels->labels[instr->k].label);
42 			instr->k = labels->labels[instr->k].location -
48 			if (labels->labels[instr->k].location != 0xffffffff) {
50 					labels->labels[instr->k].label);
53 			labels->labels[instr->k].location = offset;
63 /* Simple lookup table for labels. */
64 __u32 seccomp_bpf_label(struct bpf_labels *labels, const char *label)
66 	struct __bpf_label *begin = labels->labels, *end;
69 	if (labels->count == BPF_LABELS_MAX) {
70 		fprintf(stderr, "Too many labels\n");
73 	if (labels->count == 0) {
76 		labels->count++;
79 	end = begin + labels->count;
86 	labels->count++;