1// SPDX-License-Identifier: GPL-2.0
 2#include <linux/zalloc.h>
 3#include "mem-info.h"
 4
 5struct mem_info *mem_info__get(struct mem_info *mi)
 6{
 7	struct mem_info *result;
 8
 9	if (RC_CHK_GET(result, mi))
10		refcount_inc(mem_info__refcnt(mi));
11
12	return result;
13}
14
15void mem_info__put(struct mem_info *mi)
16{
17	if (mi && refcount_dec_and_test(mem_info__refcnt(mi))) {
18		addr_map_symbol__exit(mem_info__iaddr(mi));
19		addr_map_symbol__exit(mem_info__daddr(mi));
20		RC_CHK_FREE(mi);
21	} else {
22		RC_CHK_PUT(mi);
23	}
24}
25
26struct mem_info *mem_info__new(void)
27{
28	struct mem_info *result = NULL;
29	RC_STRUCT(mem_info) *mi = zalloc(sizeof(*mi));
30
31	if (ADD_RC_CHK(result, mi))
32		refcount_set(mem_info__refcnt(result), 1);
33
34	return result;
35}
36
37struct mem_info *mem_info__clone(struct mem_info *mi)
38{
39	struct mem_info *result = mem_info__new();
40
41	if (result) {
42		addr_map_symbol__copy(mem_info__iaddr(result), mem_info__iaddr(mi));
43		addr_map_symbol__copy(mem_info__daddr(result), mem_info__daddr(mi));
44		mem_info__data_src(result)->val = mem_info__data_src(mi)->val;
45	}
46
47	return result;
48}