#ifndef __PERF_SYMBOL #define __PERF_SYMBOL 1 #include <linux/types.h> #include <stdbool.h> #include <stdint.h> #include "map.h" #include "../perf.h" #include <linux/list.h> #include <linux/rbtree.h> #include <stdio.h> #ifdef HAVE_CPLUS_DEMANGLE extern char *cplus_demangle(const char *, int); static inline char *bfd_demangle(void __used *v, const char *c, int i) { return cplus_demangle(c, i); } #else #ifdef NO_DEMANGLE static inline char *bfd_demangle(void __used *v, const char __used *c, int __used i) { return NULL; } #else #include <bfd.h> #endif #endif int hex2u64(const char *ptr, u64 *val); char *strxfrchar(char *s, char from, char to); /* * libelf 0.8.x and earlier do not support ELF_C_READ_MMAP; * for newer versions we can use mmap to reduce memory usage: */ #ifdef LIBELF_NO_MMAP # define PERF_ELF_C_READ_MMAP ELF_C_READ #else # define PERF_ELF_C_READ_MMAP ELF_C_READ_MMAP #endif #ifndef DMGL_PARAMS #define DMGL_PARAMS (1 << 0) /* Include function args */ #define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */ #endif #define BUILD_ID_SIZE 20 /** struct symbol - symtab entry * * @ignore - resolvable but tools ignore it (e.g. idle routines) */ struct symbol { struct rb_node rb_node; u64 start; u64 end; u16 namelen; u8 binding; bool ignore; char name[0]; }; void symbol__delete(struct symbol *sym); struct strlist; struct symbol_conf { unsigned short priv_size; unsigned short nr_events; bool try_vmlinux_path, show_kernel_path, use_modules, sort_by_name, show_nr_samples, show_total_period, use_callchain, exclude_other, show_cpu_utilization, initialized, kptr_restrict, annotate_asm_raw, annotate_src; const char *vmlinux_name, *kallsyms_name, *source_prefix, *field_sep; const char *default_guest_vmlinux_name, *default_guest_kallsyms, *default_guest_modules; const char *guestmount; const char *dso_list_str, *comm_list_str, *sym_list_str, *col_width_list_str; struct strlist *dso_list, *comm_list, *sym_list, *dso_from_list, *dso_to_list, *sym_from_list, *sym_to_list; const char *symfs; }; extern struct symbol_conf symbol_conf; static inline void *symbol__priv(struct symbol *sym) { return ((void *)sym) - symbol_conf.priv_size; } struct ref_reloc_sym { const char *name; u64 addr; u64 unrelocated_addr; }; struct map_symbol { struct map *map; struct symbol *sym; bool unfolded; bool has_children; }; struct addr_map_symbol { struct map *map; struct symbol *sym; u64 addr; u64 al_addr; }; struct branch_info { struct addr_map_symbol from; struct addr_map_symbol to; struct branch_flags flags; }; struct addr_location { struct thread *thread; struct map *map; struct symbol *sym; u64 addr; char level; bool filtered; u8 cpumode; s32 cpu; }; enum dso_kernel_type { DSO_TYPE_USER = 0, DSO_TYPE_KERNEL, DSO_TYPE_GUEST_KERNEL }; struct dso { struct list_head node; struct rb_root symbols[MAP__NR_TYPES]; struct rb_root symbol_names[MAP__NR_TYPES]; enum dso_kernel_type kernel; u8 adjust_symbols:1; u8 has_build_id:1; u8 hit:1; u8 annotate_warned:1; u8 sname_alloc:1; u8 lname_alloc:1; unsigned char symtab_type; u8 sorted_by_name; u8 loaded; u8 build_id[BUILD_ID_SIZE]; const char *short_name; char *long_name; u16 long_name_len; u16 short_name_len; char name[0]; }; struct dso *dso__new(const char *name); void dso__delete(struct dso *dso); int dso__name_len(const struct dso *dso); bool dso__loaded(const struct dso *dso, enum map_type type); bool dso__sorted_by_name(const struct dso *dso, enum map_type type); static inline void dso__set_loaded(struct dso *dso, enum map_type type) { dso->loaded |= (1 << type); } void dso__sort_by_name(struct dso *dso, enum map_type type); struct dso *__dsos__findnew(struct list_head *head, const char *name); int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter); int dso__load_vmlinux(struct dso *dso, struct map *map, const char *vmlinux, symbol_filter_t filter); int dso__load_vmlinux_path(struct dso *dso, struct map *map, symbol_filter_t filter); int dso__load_kallsyms(struct dso *dso, const char *filename, struct map *map, symbol_filter_t filter); int machine__load_kallsyms(struct machine *machine, const char *filename, enum map_type type, symbol_filter_t filter); int machine__load_vmlinux_path(struct machine *machine, enum map_type type, symbol_filter_t filter); size_t __dsos__fprintf(struct list_head *head, FILE *fp); size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp, bool with_hits); size_t machines__fprintf_dsos(struct rb_root *machines, FILE *fp); size_t machines__fprintf_dsos_buildid(struct rb_root *machines, FILE *fp, bool with_hits); size_t dso__fprintf_buildid(struct dso *dso, FILE *fp); size_t dso__fprintf_symbols_by_name(struct dso *dso, enum map_type type, FILE *fp); size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp); enum symtab_type { SYMTAB__KALLSYMS = 0, SYMTAB__GUEST_KALLSYMS, SYMTAB__JAVA_JIT, SYMTAB__BUILD_ID_CACHE, SYMTAB__FEDORA_DEBUGINFO, SYMTAB__UBUNTU_DEBUGINFO, SYMTAB__BUILDID_DEBUGINFO, SYMTAB__SYSTEM_PATH_DSO, SYMTAB__GUEST_KMODULE, SYMTAB__SYSTEM_PATH_KMODULE, SYMTAB__NOT_FOUND, }; char dso__symtab_origin(const struct dso *dso); void dso__set_long_name(struct dso *dso, char *name); void dso__set_build_id(struct dso *dso, void *build_id); void dso__read_running_kernel_build_id(struct dso *dso, struct machine *machine); struct symbol *dso__find_symbol(struct dso *dso, enum map_type type, u64 addr); struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type, const char *name); int filename__read_build_id(const char *filename, void *bf, size_t size); int sysfs__read_build_id(const char *filename, void *bf, size_t size); bool __dsos__read_build_ids(struct list_head *head, bool with_hits); int build_id__sprintf(const u8 *build_id, int len, char *bf); int kallsyms__parse(const char *filename, void *arg, int (*process_symbol)(void *arg, const char *name, char type, u64 start, u64 end)); void machine__destroy_kernel_maps(struct machine *machine); int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel); int machine__create_kernel_maps(struct machine *machine); int machines__create_kernel_maps(struct rb_root *machines, pid_t pid); int machines__create_guest_kernel_maps(struct rb_root *machines); void machines__destroy_guest_kernel_maps(struct rb_root *machines); int symbol__init(void); void symbol__exit(void); size_t symbol__fprintf_symname_offs(const struct symbol *sym, const struct addr_location *al, FILE *fp); size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp); bool symbol_type__is_a(char symbol_type, enum map_type map_type); size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp); #endif /* __PERF_SYMBOL */