linuxdebug/tools/perf/util/maps.h

86 lines
2.2 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __PERF_MAPS_H
#define __PERF_MAPS_H
#include <linux/refcount.h>
#include <linux/rbtree.h>
#include <stdio.h>
#include <stdbool.h>
#include <linux/types.h>
#include "rwsem.h"
struct ref_reloc_sym;
struct machine;
struct map;
struct maps;
struct thread;
struct map *maps__find(struct maps *maps, u64 addr);
struct map *maps__first(struct maps *maps);
struct map *map__next(struct map *map);
#define maps__for_each_entry(maps, map) \
for (map = maps__first(maps); map; map = map__next(map))
#define maps__for_each_entry_safe(maps, map, next) \
for (map = maps__first(maps), next = map__next(map); map; map = next, next = map__next(map))
struct maps {
struct rb_root entries;
struct rw_semaphore lock;
struct machine *machine;
struct map *last_search_by_name;
struct map **maps_by_name;
refcount_t refcnt;
unsigned int nr_maps;
unsigned int nr_maps_allocated;
#ifdef HAVE_LIBUNWIND_SUPPORT
void *addr_space;
struct unwind_libunwind_ops *unwind_libunwind_ops;
#endif
};
#define KMAP_NAME_LEN 256
struct kmap {
struct ref_reloc_sym *ref_reloc_sym;
struct maps *kmaps;
char name[KMAP_NAME_LEN];
};
struct maps *maps__new(struct machine *machine);
void maps__delete(struct maps *maps);
bool maps__empty(struct maps *maps);
static inline struct maps *maps__get(struct maps *maps)
{
if (maps)
refcount_inc(&maps->refcnt);
return maps;
}
void maps__put(struct maps *maps);
int maps__clone(struct thread *thread, struct maps *parent);
size_t maps__fprintf(struct maps *maps, FILE *fp);
void maps__insert(struct maps *maps, struct map *map);
void maps__remove(struct maps *maps, struct map *map);
struct symbol *maps__find_symbol(struct maps *maps, u64 addr, struct map **mapp);
struct symbol *maps__find_symbol_by_name(struct maps *maps, const char *name, struct map **mapp);
struct addr_map_symbol;
int maps__find_ams(struct maps *maps, struct addr_map_symbol *ams);
int maps__fixup_overlappings(struct maps *maps, struct map *map, FILE *fp);
struct map *maps__find_by_name(struct maps *maps, const char *name);
int maps__merge_in(struct maps *kmaps, struct map *new_map);
void __maps__sort_by_name(struct maps *maps);
#endif // __PERF_MAPS_H