Release 4.18 tools/perf/util/map.h
/* SPDX-License-Identifier: GPL-2.0 */
#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 <string.h>
#include <stdbool.h>
#include <linux/types.h>
#include "rwsem.h"
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;
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;
};
#define KMAP_NAME_LEN 256
struct kmap {
struct ref_reloc_sym *ref_reloc_sym;
struct map_groups *kmaps;
char name[KMAP_NAME_LEN];
};
struct maps {
struct rb_root entries;
struct rw_semaphore lock;
};
struct map_groups {
struct maps maps;
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Arnaldo Carvalho de Melo | 28 | 96.55% | 2 | 66.67% |
| Elena Reshetova | 1 | 3.45% | 1 | 33.33% |
| Total | 29 | 100.00% | 3 | 100.00% |
void map_groups__put(struct map_groups *mg);
struct kmap *__map__kmap(struct map *map);
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;
}
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| Arnaldo Carvalho de Melo | 26 | 100.00% | 1 | 100.00% |
| Total | 26 | 100.00% | 1 | 100.00% |
static inline u64 map__unmap_ip(struct map *map, u64 ip)
{
return ip + map->start - map->pgoff;
}
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| Person | Tokens | Prop | Commits | CommitProp |
| Arnaldo Carvalho de Melo | 26 | 100.00% | 1 | 100.00% |
| Total | 26 | 100.00% | 1 | 100.00% |
static inline u64 identity__map_ip(struct map *map __maybe_unused, u64 ip)
{
return ip;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Arnaldo Carvalho de Melo | 18 | 94.74% | 1 | 50.00% |
| Irina Tirdea | 1 | 5.26% | 1 | 50.00% |
| Total | 19 | 100.00% | 2 | 100.00% |
static inline size_t map__size(const struct map *map)
{
return map->end - map->start;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Kim Phillips | 22 | 100.00% | 1 | 100.00% |
| Total | 22 | 100.00% | 1 | 100.00% |
/* 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__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,
u64 start, u64 end, u64 pgoff, struct dso *dso);
struct map *map__new(struct machine *machine, u64 start, u64 len,
u64 pgoff, u32 d_maj, u32 d_min, u64 ino,
u64 ino_gen, u32 prot, u32 flags,
char *filename, struct thread *thread);
struct map *map__new2(u64 start, struct dso *dso);
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Arnaldo Carvalho de Melo | 28 | 96.55% | 1 | 50.00% |
| Elena Reshetova | 1 | 3.45% | 1 | 50.00% |
| Total | 29 | 100.00% | 2 | 100.00% |
void map__put(struct map *map);
static inline void __map__zput(struct map **map)
{
map__put(*map);
*map = NULL;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Arnaldo Carvalho de Melo | 24 | 100.00% | 1 | 100.00% |
| Total | 24 | 100.00% | 1 | 100.00% |
#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);
char *map__srcline(struct map *map, u64 addr, struct symbol *sym);
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);
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);
size_t map_groups__fprintf(struct map_groups *mg, FILE *fp);
int map__set_kallsyms_ref_reloc_sym(struct map *map, const char *symbol_name,
u64 addr);
static inline void map_groups__insert(struct map_groups *mg, struct map *map)
{
maps__insert(&mg->maps, map);
map->groups = mg;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Arnaldo Carvalho de Melo | 32 | 96.97% | 2 | 66.67% |
| Yanmin Zhang | 1 | 3.03% | 1 | 33.33% |
| Total | 33 | 100.00% | 3 | 100.00% |
static inline void map_groups__remove(struct map_groups *mg, struct map *map)
{
maps__remove(&mg->maps, map);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Arnaldo Carvalho de Melo | 21 | 77.78% | 1 | 50.00% |
| Yanmin Zhang | 6 | 22.22% | 1 | 50.00% |
| Total | 27 | 100.00% | 2 | 100.00% |
static inline struct map *map_groups__find(struct map_groups *mg, u64 addr)
{
return maps__find(&mg->maps, addr);
}
Contributors
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| Arnaldo Carvalho de Melo | 22 | 78.57% | 4 | 80.00% |
| Yanmin Zhang | 6 | 21.43% | 1 | 20.00% |
| Total | 28 | 100.00% | 5 | 100.00% |
struct map *map_groups__first(struct map_groups *mg);
static inline struct map *map_groups__next(struct map *map)
{
return map__next(map);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Adrian Hunter | 19 | 95.00% | 1 | 50.00% |
| Arnaldo Carvalho de Melo | 1 | 5.00% | 1 | 50.00% |
| Total | 20 | 100.00% | 2 | 100.00% |
struct symbol *map_groups__find_symbol(struct map_groups *mg,
u64 addr, struct map **mapp);
struct symbol *map_groups__find_symbol_by_name(struct map_groups *mg,
const char *name,
struct map **mapp);
struct addr_map_symbol;
int map_groups__find_ams(struct addr_map_symbol *ams);
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, const char *name);
bool __map__is_kernel(const struct map *map);
bool __map__is_extra_kernel_map(const struct map *map);
static inline bool __map__is_kmodule(const struct map *map)
{
return !__map__is_kernel(map) && !__map__is_extra_kernel_map(map);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Arnaldo Carvalho de Melo | 20 | 76.92% | 1 | 50.00% |
| Adrian Hunter | 6 | 23.08% | 1 | 50.00% |
| Total | 26 | 100.00% | 2 | 100.00% |
bool map__has_symbols(const struct map *map);
#define ENTRY_TRAMPOLINE_NAME "__entry_SYSCALL_64_trampoline"
static inline bool is_entry_trampoline(const char *name)
{
return !strcmp(name, ENTRY_TRAMPOLINE_NAME);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Adrian Hunter | 21 | 100.00% | 1 | 100.00% |
| Total | 21 | 100.00% | 1 | 100.00% |
#endif /* __PERF_MAP_H */
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| Arnaldo Carvalho de Melo | 883 | 71.73% | 36 | 58.06% |
| Adrian Hunter | 169 | 13.73% | 9 | 14.52% |
| Yanmin Zhang | 44 | 3.57% | 1 | 1.61% |
| Stéphane Eranian | 25 | 2.03% | 1 | 1.61% |
| Kim Phillips | 22 | 1.79% | 1 | 1.61% |
| Kirill Smelkov | 15 | 1.22% | 2 | 3.23% |
| Namhyung Kim | 14 | 1.14% | 1 | 1.61% |
| Akihiro Nagai | 13 | 1.06% | 1 | 1.61% |
| Don Zickus | 12 | 0.97% | 1 | 1.61% |
| Masami Hiramatsu | 12 | 0.97% | 1 | 1.61% |
| Wang Nan | 11 | 0.89% | 1 | 1.61% |
| Elena Reshetova | 5 | 0.41% | 2 | 3.23% |
| Jiri Olsa | 2 | 0.16% | 1 | 1.61% |
| Greg Kroah-Hartman | 1 | 0.08% | 1 | 1.61% |
| Paul A. Clarke | 1 | 0.08% | 1 | 1.61% |
| Irina Tirdea | 1 | 0.08% | 1 | 1.61% |
| Borislav Petkov | 1 | 0.08% | 1 | 1.61% |
| Total | 1231 | 100.00% | 62 | 100.00% |
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