#ifndef __PERF_MAP_H#define __PERF_MAP_H #include <linux/refcount.h>#include <linux/compiler.h>#include <linux/list.h>#include <linux/rbtree.h>#include <pthread.h>#include <stdio.h>#include <stdbool.h>#include <linux/types.h> enum map_type {	MAP__FUNCTION = 0,	MAP__VARIABLE,}; #define MAP__NR_TYPES (MAP__VARIABLE + 1) extern const char *map_type__name[MAP__NR_TYPES]; struct dso;struct ip_callchain;struct ref_reloc_sym;struct map_groups;struct machine;struct perf_evsel; struct map {	union {		struct rb_node	rb_node;		struct list_head node;	};	u64			start;	u64			end;	u8 /* enum map_type */	type;	bool			erange_warned;	u32			priv;	u32			prot;	u32			flags;	u64			pgoff;	u64			reloc;	u32			maj, min; /* only valid for MMAP2 record */	u64			ino;      /* only valid for MMAP2 record */	u64			ino_generation;/* only valid for MMAP2 record */ 	/* ip -> dso rip */	u64			(*map_ip)(struct map *, u64);	/* dso rip -> ip */	u64			(*unmap_ip)(struct map *, u64); 	struct dso		*dso;	struct map_groups	*groups;	refcount_t		refcnt;}; struct kmap {	struct ref_reloc_sym	*ref_reloc_sym;	struct map_groups	*kmaps;}; struct maps {	struct rb_root	 entries;	pthread_rwlock_t lock;}; struct map_groups {	struct maps	 maps[MAP__NR_TYPES];	struct machine	 *machine;	refcount_t	 refcnt;}; struct map_groups *map_groups__new(struct machine *machine);void map_groups__delete(struct map_groups *mg);bool map_groups__empty(struct map_groups *mg); static inline struct map_groups *map_groups__get(struct map_groups *mg){	if (mg)		refcount_inc(&mg->refcnt);	return mg;} void map_groups__put(struct map_groups *mg); struct kmap *map__kmap(struct map *map);struct map_groups *map__kmaps(struct map *map); static inline u64 map__map_ip(struct map *map, u64 ip){	return ip - map->start + map->pgoff;} static inline u64 map__unmap_ip(struct map *map, u64 ip){	return ip + map->start - map->pgoff;} static inline u64 identity__map_ip(struct map *map __maybe_unused, u64 ip){	return ip;}  /* rip/ip <-> addr suitable for passing to `objdump --start-address=` */u64 map__rip_2objdump(struct map *map, u64 rip); /* objdump address -> memory address */u64 map__objdump_2mem(struct map *map, u64 ip); struct symbol;struct thread; /* map__for_each_symbol - iterate over the symbols in the given map * * @map: the 'struct map *' in which symbols itereated * @pos: the 'struct symbol *' to use as a loop cursor * @n: the 'struct rb_node *' to use as a temporary storage * Note: caller must ensure map->dso is not NULL (map is loaded). */#define map__for_each_symbol(map, pos, n)	\	dso__for_each_symbol(map->dso, pos, n, map->type) /* map__for_each_symbol_with_name - iterate over the symbols in the given map *                                  that have the given name * * @map: the 'struct map *' in which symbols itereated * @sym_name: the symbol name * @pos: the 'struct symbol *' to use as a loop cursor */#define __map__for_each_symbol_by_name(map, sym_name, pos)	\	for (pos = map__find_symbol_by_name(map, sym_name);	\	     pos &&						\	     !symbol__match_symbol_name(pos->name, sym_name,	\					SYMBOL_TAG_INCLUDE__DEFAULT_ONLY); \	     pos = symbol__next_by_name(pos)) #define map__for_each_symbol_by_name(map, sym_name, pos)		\	__map__for_each_symbol_by_name(map, sym_name, (pos)) void map__init(struct map *map, enum map_type type,	       u64 start, u64 end, u64 pgoff, struct dso *dso);struct map *map__new(struct machine *machine, u64 start, u64 len,		     u64 pgoff, u32 pid, u32 d_maj, u32 d_min, u64 ino,		     u64 ino_gen, u32 prot, u32 flags,		     char *filename, enum map_type type, struct thread *thread);struct map *map__new2(u64 start, struct dso *dso, enum map_type type);void map__delete(struct map *map);struct map *map__clone(struct map *map); static inline struct map *map__get(struct map *map){	if (map)		refcount_inc(&map->refcnt);	return map;} void map__put(struct map *map); static inline void __map__zput(struct map **map){	map__put(*map);	*map = NULL;} #define map__zput(map) __map__zput(&map) int map__overlap(struct map *l, struct map *r);size_t map__fprintf(struct map *map, FILE *fp);size_t map__fprintf_dsoname(struct map *map, FILE *fp);int map__fprintf_srcline(struct map *map, u64 addr, const char *prefix,			 FILE *fp); int map__load(struct map *map);struct symbol *map__find_symbol(struct map *map, u64 addr);struct symbol *map__find_symbol_by_name(struct map *map, const char *name);void map__fixup_start(struct map *map);void map__fixup_end(struct map *map); void map__reloc_vmlinux(struct map *map); size_t __map_groups__fprintf_maps(struct map_groups *mg, enum map_type type,				  FILE *fp);void maps__insert(struct maps *maps, struct map *map);void maps__remove(struct maps *maps, struct map *map);struct map *maps__find(struct maps *maps, u64 addr);struct map *maps__first(struct maps *maps);struct map *map__next(struct map *map);struct symbol *maps__find_symbol_by_name(struct maps *maps, const char *name,                                         struct map **mapp);void map_groups__init(struct map_groups *mg, struct machine *machine);void map_groups__exit(struct map_groups *mg);int map_groups__clone(struct thread *thread,		      struct map_groups *parent, enum map_type type);size_t map_groups__fprintf(struct map_groups *mg, FILE *fp); int maps__set_kallsyms_ref_reloc_sym(struct map **maps, const char *symbol_name,				     u64 addr); static inline void map_groups__insert(struct map_groups *mg, struct map *map){	maps__insert(&mg->maps[map->type], map);	map->groups = mg;} static inline void map_groups__remove(struct map_groups *mg, struct map *map){	maps__remove(&mg->maps[map->type], map);} static inline struct map *map_groups__find(struct map_groups *mg,					   enum map_type type, u64 addr){	return maps__find(&mg->maps[type], addr);} static inline struct map *map_groups__first(struct map_groups *mg,					    enum map_type type){	return maps__first(&mg->maps[type]);} static inline struct map *map_groups__next(struct map *map){	return map__next(map);} struct symbol *map_groups__find_symbol(struct map_groups *mg,				       enum map_type type, u64 addr,				       struct map **mapp); struct symbol *map_groups__find_symbol_by_name(struct map_groups *mg,					       enum map_type type,					       const char *name,					       struct map **mapp); struct addr_map_symbol; int map_groups__find_ams(struct addr_map_symbol *ams); static inlinestruct symbol *map_groups__find_function_by_name(struct map_groups *mg,						 const char *name, struct map **mapp){	return map_groups__find_symbol_by_name(mg, MAP__FUNCTION, name, mapp);} int map_groups__fixup_overlappings(struct map_groups *mg, struct map *map,				   FILE *fp); struct map *map_groups__find_by_name(struct map_groups *mg,				     enum map_type type, const char *name); bool __map__is_kernel(const struct map *map); static inline bool __map__is_kmodule(const struct map *map){	return !__map__is_kernel(map);} #endif /* __PERF_MAP_H */