| 1 | // SPDX-License-Identifier: GPL-2.0 |
|---|---|
| 2 | #include <linux/zalloc.h> |
| 3 | #include "mem-info.h" |
| 4 | |
| 5 | struct 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(r: mem_info__refcnt(mi)); |
| 11 | |
| 12 | return result; |
| 13 | } |
| 14 | |
| 15 | void mem_info__put(struct mem_info *mi) |
| 16 | { |
| 17 | if (mi && refcount_dec_and_test(r: mem_info__refcnt(mi))) { |
| 18 | addr_map_symbol__exit(ams: mem_info__iaddr(mi)); |
| 19 | addr_map_symbol__exit(ams: mem_info__daddr(mi)); |
| 20 | RC_CHK_FREE(mi); |
| 21 | } else { |
| 22 | RC_CHK_PUT(mi); |
| 23 | } |
| 24 | } |
| 25 | |
| 26 | struct 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(r: mem_info__refcnt(mi: result), n: 1); |
| 33 | |
| 34 | return result; |
| 35 | } |
| 36 | |
| 37 | struct 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(dst: mem_info__iaddr(mi: result), src: mem_info__iaddr(mi)); |
| 43 | addr_map_symbol__copy(dst: mem_info__daddr(mi: result), src: mem_info__daddr(mi)); |
| 44 | mem_info__data_src(mi: result)->val = mem_info__data_src(mi)->val; |
| 45 | } |
| 46 | |
| 47 | return result; |
| 48 | } |
| 49 |