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189 lines
5.1 KiB
189 lines
5.1 KiB
/* 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)(struct map *, u64); |
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/* dso rip -> ip */ |
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u64 (*unmap_ip)(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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static inline u64 map__map_ip(struct map *map, u64 ip) |
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{ |
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return ip - map->start + map->pgoff; |
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} |
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static inline u64 map__unmap_ip(struct map *map, u64 ip) |
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{ |
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return ip + map->start - map->pgoff; |
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} |
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static inline u64 identity__map_ip(struct map *map __maybe_unused, u64 ip) |
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{ |
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return ip; |
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} |
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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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#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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