linux/tools/perf/util/map.h
Ian Rogers 59835f55ce perf map: Make map__contains_symbol() args const
Now unmap_ip is const, make contains symbol const.

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: André Almeida <andrealmeid@collabora.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Darren Hart <dvhart@infradead.org>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Dmitriy Vyukov <dvyukov@google.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: German Gomez <german.gomez@arm.com>
Cc: Hao Luo <haoluo@google.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Miaoqian Lin <linmq006@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Riccardo Mancini <rickyman7@gmail.com>
Cc: Shunsuke Nakamura <nakamura.shun@fujitsu.com>
Cc: Song Liu <song@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Stephen Brennan <stephen.s.brennan@oracle.com>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Yury Norov <yury.norov@gmail.com>
Link: http://lore.kernel.org/lkml/20220211103415.2737789-11-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-02-14 16:59:55 -03:00

184 lines
5.1 KiB
C

/* 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 <stdio.h>
#include <string.h>
#include <stdbool.h>
#include <linux/types.h>
struct dso;
struct maps;
struct machine;
struct map {
union {
struct rb_node rb_node;
struct list_head node;
};
u64 start;
u64 end;
bool erange_warned:1;
bool priv:1;
u32 prot;
u64 pgoff;
u64 reloc;
/* ip -> dso rip */
u64 (*map_ip)(const struct map *, u64);
/* dso rip -> ip */
u64 (*unmap_ip)(const struct map *, u64);
struct dso *dso;
refcount_t refcnt;
u32 flags;
};
struct kmap;
struct kmap *__map__kmap(struct map *map);
struct kmap *map__kmap(struct map *map);
struct maps *map__kmaps(struct map *map);
/* ip -> dso rip */
u64 map__map_ip(const struct map *map, u64 ip);
/* dso rip -> ip */
u64 map__unmap_ip(const struct map *map, u64 ip);
/* Returns ip */
u64 identity__map_ip(const struct map *map __maybe_unused, u64 ip);
static inline size_t map__size(const struct map *map)
{
return map->end - map->start;
}
/* 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 are iterated
* @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 are iterated
* @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 dso_id;
struct build_id;
struct map *map__new(struct machine *machine, u64 start, u64 len,
u64 pgoff, struct dso_id *id, u32 prot, u32 flags,
struct build_id *bid, 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;
}
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)
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);
int map__set_kallsyms_ref_reloc_sym(struct map *map, const char *symbol_name,
u64 addr);
bool __map__is_kernel(const struct map *map);
bool __map__is_extra_kernel_map(const struct map *map);
bool __map__is_bpf_prog(const struct map *map);
bool __map__is_bpf_image(const struct map *map);
bool __map__is_ool(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) &&
!__map__is_bpf_prog(map) && !__map__is_ool(map) &&
!__map__is_bpf_image(map);
}
bool map__has_symbols(const struct map *map);
bool map__contains_symbol(const struct map *map, const struct symbol *sym);
#define ENTRY_TRAMPOLINE_NAME "__entry_SYSCALL_64_trampoline"
static inline bool is_entry_trampoline(const char *name)
{
return !strcmp(name, ENTRY_TRAMPOLINE_NAME);
}
static inline bool is_bpf_image(const char *name)
{
return strncmp(name, "bpf_trampoline_", sizeof("bpf_trampoline_") - 1) == 0 ||
strncmp(name, "bpf_dispatcher_", sizeof("bpf_dispatcher_") - 1) == 0;
}
static inline int is_anon_memory(const char *filename)
{
return !strcmp(filename, "//anon") ||
!strncmp(filename, "/dev/zero", sizeof("/dev/zero") - 1) ||
!strncmp(filename, "/anon_hugepage", sizeof("/anon_hugepage") - 1);
}
static inline int is_no_dso_memory(const char *filename)
{
return !strncmp(filename, "[stack", 6) ||
!strncmp(filename, "/SYSV", 5) ||
!strcmp(filename, "[heap]");
}
#endif /* __PERF_MAP_H */