| #ifndef __PERF_MAP_H |
| #define __PERF_MAP_H |
| |
| #include <linux/compiler.h> |
| #include <linux/list.h> |
| #include <linux/rbtree.h> |
| #include <stdio.h> |
| #include <stdbool.h> |
| #include "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 ref_reloc_sym; |
| struct map_groups; |
| struct machine; |
| |
| struct map { |
| union { |
| struct rb_node rb_node; |
| struct list_head node; |
| }; |
| u64 start; |
| u64 end; |
| u8 /* enum map_type */ type; |
| bool referenced; |
| u32 priv; |
| u64 pgoff; |
| |
| /* 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; |
| }; |
| |
| struct kmap { |
| struct ref_reloc_sym *ref_reloc_sym; |
| struct map_groups *kmaps; |
| }; |
| |
| struct map_groups { |
| struct rb_root maps[MAP__NR_TYPES]; |
| struct list_head removed_maps[MAP__NR_TYPES]; |
| struct machine *machine; |
| }; |
| |
| /* Native host kernel uses -1 as pid index in machine */ |
| #define HOST_KERNEL_ID (-1) |
| #define DEFAULT_GUEST_KERNEL_ID (0) |
| |
| struct machine { |
| struct rb_node rb_node; |
| pid_t pid; |
| char *root_dir; |
| struct rb_root threads; |
| struct list_head dead_threads; |
| struct thread *last_match; |
| struct list_head user_dsos; |
| struct list_head kernel_dsos; |
| struct map_groups kmaps; |
| struct map *vmlinux_maps[MAP__NR_TYPES]; |
| }; |
| |
| static inline |
| struct map *machine__kernel_map(struct machine *self, enum map_type type) |
| { |
| return self->vmlinux_maps[type]; |
| } |
| |
| static inline struct kmap *map__kmap(struct map *self) |
| { |
| return (struct kmap *)(self + 1); |
| } |
| |
| 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 __used, u64 ip) |
| { |
| return ip; |
| } |
| |
| |
| /* rip/ip <-> addr suitable for passing to `objdump --start-address=` */ |
| u64 map__rip_2objdump(struct map *map, u64 rip); |
| u64 map__objdump_2ip(struct map *map, u64 addr); |
| |
| struct symbol; |
| |
| typedef int (*symbol_filter_t)(struct map *map, struct symbol *sym); |
| |
| void map__init(struct map *self, enum map_type type, |
| u64 start, u64 end, u64 pgoff, struct dso *dso); |
| struct map *map__new(struct list_head *dsos__list, u64 start, u64 len, |
| u64 pgoff, u32 pid, char *filename, |
| enum map_type type); |
| void map__delete(struct map *self); |
| struct map *map__clone(struct map *self); |
| int map__overlap(struct map *l, struct map *r); |
| size_t map__fprintf(struct map *self, FILE *fp); |
| |
| int map__load(struct map *self, symbol_filter_t filter); |
| struct symbol *map__find_symbol(struct map *self, |
| u64 addr, symbol_filter_t filter); |
| struct symbol *map__find_symbol_by_name(struct map *self, const char *name, |
| symbol_filter_t filter); |
| void map__fixup_start(struct map *self); |
| void map__fixup_end(struct map *self); |
| |
| void map__reloc_vmlinux(struct map *self); |
| |
| size_t __map_groups__fprintf_maps(struct map_groups *mg, |
| enum map_type type, int verbose, FILE *fp); |
| void maps__insert(struct rb_root *maps, struct map *map); |
| void maps__remove(struct rb_root *maps, struct map *map); |
| struct map *maps__find(struct rb_root *maps, u64 addr); |
| void map_groups__init(struct map_groups *mg); |
| void map_groups__exit(struct map_groups *mg); |
| int map_groups__clone(struct map_groups *mg, |
| struct map_groups *parent, enum map_type type); |
| size_t map_groups__fprintf(struct map_groups *mg, int verbose, FILE *fp); |
| size_t map_groups__fprintf_maps(struct map_groups *mg, int verbose, FILE *fp); |
| |
| typedef void (*machine__process_t)(struct machine *self, void *data); |
| |
| void machines__process(struct rb_root *self, machine__process_t process, void *data); |
| struct machine *machines__add(struct rb_root *self, pid_t pid, |
| const char *root_dir); |
| struct machine *machines__find_host(struct rb_root *self); |
| struct machine *machines__find(struct rb_root *self, pid_t pid); |
| struct machine *machines__findnew(struct rb_root *self, pid_t pid); |
| char *machine__mmap_name(struct machine *self, char *bf, size_t size); |
| int machine__init(struct machine *self, const char *root_dir, pid_t pid); |
| void machine__exit(struct machine *self); |
| void machine__delete(struct machine *self); |
| |
| /* |
| * Default guest kernel is defined by parameter --guestkallsyms |
| * and --guestmodules |
| */ |
| static inline bool machine__is_default_guest(struct machine *self) |
| { |
| return self ? self->pid == DEFAULT_GUEST_KERNEL_ID : false; |
| } |
| |
| static inline bool machine__is_host(struct machine *self) |
| { |
| return self ? self->pid == HOST_KERNEL_ID : false; |
| } |
| |
| 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); |
| } |
| |
| struct symbol *map_groups__find_symbol(struct map_groups *mg, |
| enum map_type type, u64 addr, |
| struct map **mapp, |
| symbol_filter_t filter); |
| |
| struct symbol *map_groups__find_symbol_by_name(struct map_groups *mg, |
| enum map_type type, |
| const char *name, |
| struct map **mapp, |
| symbol_filter_t filter); |
| |
| |
| struct thread *machine__findnew_thread(struct machine *machine, pid_t pid); |
| void machine__remove_thread(struct machine *machine, struct thread *th); |
| |
| size_t machine__fprintf(struct machine *machine, FILE *fp); |
| |
| static inline |
| struct symbol *machine__find_kernel_symbol(struct machine *self, |
| enum map_type type, u64 addr, |
| struct map **mapp, |
| symbol_filter_t filter) |
| { |
| return map_groups__find_symbol(&self->kmaps, type, addr, mapp, filter); |
| } |
| |
| static inline |
| struct symbol *machine__find_kernel_function(struct machine *self, u64 addr, |
| struct map **mapp, |
| symbol_filter_t filter) |
| { |
| return machine__find_kernel_symbol(self, MAP__FUNCTION, addr, mapp, filter); |
| } |
| |
| static inline |
| struct symbol *map_groups__find_function_by_name(struct map_groups *mg, |
| const char *name, struct map **mapp, |
| symbol_filter_t filter) |
| { |
| return map_groups__find_symbol_by_name(mg, MAP__FUNCTION, name, mapp, filter); |
| } |
| |
| static inline |
| struct symbol *machine__find_kernel_function_by_name(struct machine *self, |
| const char *name, |
| struct map **mapp, |
| symbol_filter_t filter) |
| { |
| return map_groups__find_function_by_name(&self->kmaps, name, mapp, |
| filter); |
| } |
| |
| int map_groups__fixup_overlappings(struct map_groups *mg, struct map *map, |
| int verbose, FILE *fp); |
| |
| struct map *map_groups__find_by_name(struct map_groups *mg, |
| enum map_type type, const char *name); |
| struct map *machine__new_module(struct machine *self, u64 start, const char *filename); |
| |
| void map_groups__flush(struct map_groups *mg); |
| |
| #endif /* __PERF_MAP_H */ |