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59835f55ce
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>
184 lines
5.1 KiB
C
184 lines
5.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __PERF_MAP_H
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#define __PERF_MAP_H
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#include <linux/refcount.h>
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#include <linux/compiler.h>
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#include <linux/list.h>
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#include <linux/rbtree.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdbool.h>
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#include <linux/types.h>
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struct dso;
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struct maps;
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struct machine;
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struct map {
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union {
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struct rb_node rb_node;
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struct list_head node;
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};
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u64 start;
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u64 end;
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bool erange_warned:1;
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bool priv:1;
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u32 prot;
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u64 pgoff;
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u64 reloc;
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/* ip -> dso rip */
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u64 (*map_ip)(const struct map *, u64);
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/* dso rip -> ip */
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u64 (*unmap_ip)(const struct map *, u64);
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struct dso *dso;
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refcount_t refcnt;
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u32 flags;
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};
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struct kmap;
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struct kmap *__map__kmap(struct map *map);
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struct kmap *map__kmap(struct map *map);
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struct maps *map__kmaps(struct map *map);
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/* ip -> dso rip */
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u64 map__map_ip(const struct map *map, u64 ip);
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/* dso rip -> ip */
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u64 map__unmap_ip(const struct map *map, u64 ip);
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/* Returns ip */
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u64 identity__map_ip(const struct map *map __maybe_unused, u64 ip);
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static inline size_t map__size(const struct map *map)
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{
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return map->end - map->start;
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}
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/* rip/ip <-> addr suitable for passing to `objdump --start-address=` */
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u64 map__rip_2objdump(struct map *map, u64 rip);
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/* objdump address -> memory address */
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u64 map__objdump_2mem(struct map *map, u64 ip);
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struct symbol;
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struct thread;
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/* map__for_each_symbol - iterate over the symbols in the given map
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*
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* @map: the 'struct map *' in which symbols are iterated
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* @pos: the 'struct symbol *' to use as a loop cursor
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* @n: the 'struct rb_node *' to use as a temporary storage
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* Note: caller must ensure map->dso is not NULL (map is loaded).
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*/
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#define map__for_each_symbol(map, pos, n) \
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dso__for_each_symbol(map->dso, pos, n)
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/* map__for_each_symbol_with_name - iterate over the symbols in the given map
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* that have the given name
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*
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* @map: the 'struct map *' in which symbols are iterated
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* @sym_name: the symbol name
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* @pos: the 'struct symbol *' to use as a loop cursor
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*/
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#define __map__for_each_symbol_by_name(map, sym_name, pos) \
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for (pos = map__find_symbol_by_name(map, sym_name); \
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pos && \
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!symbol__match_symbol_name(pos->name, sym_name, \
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SYMBOL_TAG_INCLUDE__DEFAULT_ONLY); \
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pos = symbol__next_by_name(pos))
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#define map__for_each_symbol_by_name(map, sym_name, pos) \
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__map__for_each_symbol_by_name(map, sym_name, (pos))
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void map__init(struct map *map,
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u64 start, u64 end, u64 pgoff, struct dso *dso);
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struct dso_id;
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struct build_id;
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struct map *map__new(struct machine *machine, u64 start, u64 len,
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u64 pgoff, struct dso_id *id, u32 prot, u32 flags,
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struct build_id *bid, char *filename, struct thread *thread);
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struct map *map__new2(u64 start, struct dso *dso);
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void map__delete(struct map *map);
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struct map *map__clone(struct map *map);
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static inline struct map *map__get(struct map *map)
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{
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if (map)
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refcount_inc(&map->refcnt);
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return map;
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}
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void map__put(struct map *map);
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static inline void __map__zput(struct map **map)
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{
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map__put(*map);
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*map = NULL;
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}
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#define map__zput(map) __map__zput(&map)
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size_t map__fprintf(struct map *map, FILE *fp);
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size_t map__fprintf_dsoname(struct map *map, FILE *fp);
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char *map__srcline(struct map *map, u64 addr, struct symbol *sym);
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int map__fprintf_srcline(struct map *map, u64 addr, const char *prefix,
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FILE *fp);
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int map__load(struct map *map);
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struct symbol *map__find_symbol(struct map *map, u64 addr);
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struct symbol *map__find_symbol_by_name(struct map *map, const char *name);
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void map__fixup_start(struct map *map);
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void map__fixup_end(struct map *map);
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int map__set_kallsyms_ref_reloc_sym(struct map *map, const char *symbol_name,
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u64 addr);
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bool __map__is_kernel(const struct map *map);
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bool __map__is_extra_kernel_map(const struct map *map);
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bool __map__is_bpf_prog(const struct map *map);
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bool __map__is_bpf_image(const struct map *map);
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bool __map__is_ool(const struct map *map);
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static inline bool __map__is_kmodule(const struct map *map)
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{
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return !__map__is_kernel(map) && !__map__is_extra_kernel_map(map) &&
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!__map__is_bpf_prog(map) && !__map__is_ool(map) &&
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!__map__is_bpf_image(map);
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}
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bool map__has_symbols(const struct map *map);
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bool map__contains_symbol(const struct map *map, const struct symbol *sym);
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#define ENTRY_TRAMPOLINE_NAME "__entry_SYSCALL_64_trampoline"
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static inline bool is_entry_trampoline(const char *name)
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{
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return !strcmp(name, ENTRY_TRAMPOLINE_NAME);
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}
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static inline bool is_bpf_image(const char *name)
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{
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return strncmp(name, "bpf_trampoline_", sizeof("bpf_trampoline_") - 1) == 0 ||
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strncmp(name, "bpf_dispatcher_", sizeof("bpf_dispatcher_") - 1) == 0;
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}
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static inline int is_anon_memory(const char *filename)
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{
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return !strcmp(filename, "//anon") ||
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!strncmp(filename, "/dev/zero", sizeof("/dev/zero") - 1) ||
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!strncmp(filename, "/anon_hugepage", sizeof("/anon_hugepage") - 1);
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}
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static inline int is_no_dso_memory(const char *filename)
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{
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return !strncmp(filename, "[stack", 6) ||
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!strncmp(filename, "/SYSV", 5) ||
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!strcmp(filename, "[heap]");
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}
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#endif /* __PERF_MAP_H */
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