883 					struct arg_track *at_out, int reg,  in fill_from_stack()  argument
899 	cnt = at_out[reg].off_cnt;  in fill_from_stack()
906 		if (arg_add(at_out[reg].off[i], insn->off, &fp_off))  in fill_from_stack()
922 static void spill_to_stack(struct bpf_insn *insn, struct arg_track *at_out,  in spill_to_stack()  argument
937 	cnt = at_out[reg].off_cnt;  in spill_to_stack()
947 		if (arg_add(at_out[reg].off[i], insn->off, &fp_off))  in spill_to_stack()
989 				     struct arg_track *at_out, int reg,  in clear_stack_for_all_offs()  argument
998 	cnt = at_out[reg].off_cnt;  in clear_stack_for_all_offs()
1006 		if (arg_add(at_out[reg].off[i], insn->off, &fp_off)) {  in clear_stack_for_all_offs()
1016 			  struct arg_track *at_out, struct arg_track *at_stack_out)  in arg_track_log()  argument
1024 		if (arg_track_eq(&at_out[i], &at_in[i]))  in arg_track_log()
1033 		verbose(env, " -> "); verbose_arg_track(env, &at_out[i]);  in arg_track_log()
1064 			   struct arg_track *at_out, struct arg_track *at_stack_out,  in arg_track_xfer()  argument
1071 	struct arg_track *dst = &at_out[insn->dst_reg];  in arg_track_xfer()
1072 	struct arg_track *src = &at_out[insn->src_reg];  in arg_track_xfer()
1123 			at_out[r] = none;  in arg_track_xfer()
1135 			*dst = fill_from_stack(insn, at_out, insn->src_reg, at_stack_out, depth);  in arg_track_xfer()
1141 			*dst = fill_from_stack(insn, at_out, insn->src_reg,  in arg_track_xfer()
1163 			spill_to_stack(insn, at_out, insn->dst_reg,  in arg_track_xfer()
1168 				clear_stack_for_all_offs(insn, at_out, insn->dst_reg,  in arg_track_xfer()
1172 				at_out[BPF_REG_0] = none;  in arg_track_xfer()
1184 			clear_stack_for_all_offs(insn, at_out, insn->dst_reg,  in arg_track_xfer()
1547 	struct arg_track at_out[MAX_BPF_REG];  in compute_subprog_args()  local
1605 		memcpy(at_out, at_in[i], sizeof(at_out));  in compute_subprog_args()
1608 		arg_track_xfer(env, insn, idx, at_out, at_stack_out, instance, callsites);  in compute_subprog_args()
1609 		arg_track_log(env, insn, idx, at_in[i], at_stack_in[i], at_out, at_stack_out);  in compute_subprog_args()
1624 							  &at_in[ti][r], at_out[r]);  in compute_subprog_args()