tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef __PERF_SYMBOL
2#define __PERF_SYMBOL 1
3
4#include <linux/types.h>
5#include <stdbool.h>
6#include "types.h"
7#include <linux/list.h>
8#include <linux/rbtree.h>
9#include "event.h"
10
11#define DEBUG_CACHE_DIR ".debug"
12
13#ifdef HAVE_CPLUS_DEMANGLE
14extern char *cplus_demangle(const char *, int);
15
16static inline char *bfd_demangle(void __used *v, const char *c, int i)
17{
18 return cplus_demangle(c, i);
19}
20#else
21#ifdef NO_DEMANGLE
22static inline char *bfd_demangle(void __used *v, const char __used *c,
23 int __used i)
24{
25 return NULL;
26}
27#else
28#include <bfd.h>
29#endif
30#endif
31
32/*
33 * libelf 0.8.x and earlier do not support ELF_C_READ_MMAP;
34 * for newer versions we can use mmap to reduce memory usage:
35 */
36#ifdef LIBELF_NO_MMAP
37# define PERF_ELF_C_READ_MMAP ELF_C_READ
38#else
39# define PERF_ELF_C_READ_MMAP ELF_C_READ_MMAP
40#endif
41
42#ifndef DMGL_PARAMS
43#define DMGL_PARAMS (1 << 0) /* Include function args */
44#define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */
45#endif
46
47struct symbol {
48 struct rb_node rb_node;
49 u64 start;
50 u64 end;
51 char name[0];
52};
53
54void symbol__delete(struct symbol *self);
55
56struct strlist;
57
58struct symbol_conf {
59 unsigned short priv_size;
60 bool try_vmlinux_path,
61 use_modules,
62 sort_by_name,
63 show_nr_samples,
64 use_callchain,
65 exclude_other,
66 full_paths;
67 const char *vmlinux_name,
68 *field_sep;
69 char *dso_list_str,
70 *comm_list_str,
71 *sym_list_str,
72 *col_width_list_str;
73 struct strlist *dso_list,
74 *comm_list,
75 *sym_list;
76};
77
78extern struct symbol_conf symbol_conf;
79
80static inline void *symbol__priv(struct symbol *self)
81{
82 return ((void *)self) - symbol_conf.priv_size;
83}
84
85struct ref_reloc_sym {
86 const char *name;
87 u64 addr;
88 u64 unrelocated_addr;
89};
90
91struct addr_location {
92 struct thread *thread;
93 struct map *map;
94 struct symbol *sym;
95 u64 addr;
96 char level;
97 bool filtered;
98};
99
100struct dso {
101 struct list_head node;
102 struct rb_root symbols[MAP__NR_TYPES];
103 struct rb_root symbol_names[MAP__NR_TYPES];
104 u8 adjust_symbols:1;
105 u8 slen_calculated:1;
106 u8 has_build_id:1;
107 u8 kernel:1;
108 u8 hit:1;
109 unsigned char origin;
110 u8 sorted_by_name;
111 u8 loaded;
112 u8 build_id[BUILD_ID_SIZE];
113 const char *short_name;
114 char *long_name;
115 u16 long_name_len;
116 u16 short_name_len;
117 char name[0];
118};
119
120struct dso *dso__new(const char *name);
121struct dso *dso__new_kernel(const char *name);
122void dso__delete(struct dso *self);
123
124bool dso__loaded(const struct dso *self, enum map_type type);
125bool dso__sorted_by_name(const struct dso *self, enum map_type type);
126
127static inline void dso__set_loaded(struct dso *self, enum map_type type)
128{
129 self->loaded |= (1 << type);
130}
131
132void dso__sort_by_name(struct dso *self, enum map_type type);
133
134extern struct list_head dsos__user, dsos__kernel;
135
136struct dso *__dsos__findnew(struct list_head *head, const char *name);
137
138static inline struct dso *dsos__findnew(const char *name)
139{
140 return __dsos__findnew(&dsos__user, name);
141}
142
143int dso__load(struct dso *self, struct map *map, symbol_filter_t filter);
144int dso__load_vmlinux_path(struct dso *self, struct map *map,
145 symbol_filter_t filter);
146int dso__load_kallsyms(struct dso *self, const char *filename, struct map *map,
147 symbol_filter_t filter);
148void dsos__fprintf(FILE *fp);
149size_t dsos__fprintf_buildid(FILE *fp, bool with_hits);
150
151size_t dso__fprintf_buildid(struct dso *self, FILE *fp);
152size_t dso__fprintf(struct dso *self, enum map_type type, FILE *fp);
153char dso__symtab_origin(const struct dso *self);
154void dso__set_long_name(struct dso *self, char *name);
155void dso__set_build_id(struct dso *self, void *build_id);
156void dso__read_running_kernel_build_id(struct dso *self);
157struct symbol *dso__find_symbol(struct dso *self, enum map_type type, u64 addr);
158struct symbol *dso__find_symbol_by_name(struct dso *self, enum map_type type,
159 const char *name);
160
161int filename__read_build_id(const char *filename, void *bf, size_t size);
162int sysfs__read_build_id(const char *filename, void *bf, size_t size);
163bool dsos__read_build_ids(bool with_hits);
164int build_id__sprintf(const u8 *self, int len, char *bf);
165int kallsyms__parse(const char *filename, void *arg,
166 int (*process_symbol)(void *arg, const char *name,
167 char type, u64 start));
168
169int symbol__init(void);
170bool symbol_type__is_a(char symbol_type, enum map_type map_type);
171
172#endif /* __PERF_SYMBOL */