1#ifndef __PERF_SYMBOL
2#define __PERF_SYMBOL 1
3
4/* ANDROID_CHANGE_BEGIN */
5#ifndef __APPLE__
6/* Suppress kernel-name space pollution in <linux/types.h> below */
7#include <features.h>
8#include <linux/types.h>
9#endif
10/* ANDROID_CHANGE_END */
11#include <stdbool.h>
12#include <stdint.h>
13#include "map.h"
14/* ANDROID_CHANGE_BEGIN */
15#if 0
16#include <linux/list.h>
17#include <linux/rbtree.h>
18#else
19#include "include/linux/list.h"
20#include "include/linux/rbtree.h"
21#endif
22/* ANDROID_CHANGE_END */
23#include <stdio.h>
24
25#ifdef HAVE_CPLUS_DEMANGLE
26extern char *cplus_demangle(const char *, int);
27
28static inline char *bfd_demangle(void __used *v, const char *c, int i)
29{
30	return cplus_demangle(c, i);
31}
32#else
33#ifdef NO_DEMANGLE
34static inline char *bfd_demangle(void __used *v, const char __used *c,
35				 int __used i)
36{
37	return NULL;
38}
39/* ANDROID_CHANGE_BEGIN */
40#else
41#ifdef HAVE_ANDROID_DEMANGLE
42/* in external/gcc-demangle */
43extern char *__cxa_demangle (const char *, char *, size_t *, int *);
44
45static inline char *bfd_demangle(void __used *v, const char __used *c,
46                int __used i)
47{
48    return __cxa_demangle(c, NULL, NULL, NULL);
49}
50/* ANDROID_CHANGE_END */
51#else
52#include <bfd.h>
53#endif
54#endif
55#endif
56
57int hex2u64(const char *ptr, u64 *val);
58char *strxfrchar(char *s, char from, char to);
59
60/*
61 * libelf 0.8.x and earlier do not support ELF_C_READ_MMAP;
62 * for newer versions we can use mmap to reduce memory usage:
63 */
64#ifdef LIBELF_NO_MMAP
65# define PERF_ELF_C_READ_MMAP ELF_C_READ
66#else
67# define PERF_ELF_C_READ_MMAP ELF_C_READ_MMAP
68#endif
69
70#ifndef DMGL_PARAMS
71#define DMGL_PARAMS      (1 << 0)       /* Include function args */
72#define DMGL_ANSI        (1 << 1)       /* Include const, volatile, etc */
73#endif
74
75#define BUILD_ID_SIZE 20
76
77/** struct symbol - symtab entry
78 *
79 * @ignore - resolvable but tools ignore it (e.g. idle routines)
80 */
81struct symbol {
82	struct rb_node	rb_node;
83	u64		start;
84	u64		end;
85	u16		namelen;
86	u8		binding;
87	bool		ignore;
88	char		name[0];
89};
90
91void symbol__delete(struct symbol *sym);
92
93struct strlist;
94
95struct symbol_conf {
96	unsigned short	priv_size;
97	bool		try_vmlinux_path,
98			use_modules,
99			sort_by_name,
100			show_nr_samples,
101			use_callchain,
102			exclude_other,
103			show_cpu_utilization,
104			initialized,
105			kptr_restrict;
106	const char	*vmlinux_name,
107			*kallsyms_name,
108			*source_prefix,
109			*field_sep;
110	const char	*default_guest_vmlinux_name,
111			*default_guest_kallsyms,
112			*default_guest_modules;
113	const char	*guestmount;
114	const char	*dso_list_str,
115			*comm_list_str,
116			*sym_list_str,
117			*col_width_list_str;
118       struct strlist	*dso_list,
119			*comm_list,
120			*sym_list;
121	const char	*symfs;
122};
123
124extern struct symbol_conf symbol_conf;
125
126static inline void *symbol__priv(struct symbol *sym)
127{
128	return ((void *)sym) - symbol_conf.priv_size;
129}
130
131struct ref_reloc_sym {
132	const char	*name;
133	u64		addr;
134	u64		unrelocated_addr;
135};
136
137struct map_symbol {
138	struct map    *map;
139	struct symbol *sym;
140	bool	      unfolded;
141	bool	      has_children;
142};
143
144struct addr_location {
145	struct thread *thread;
146	struct map    *map;
147	struct symbol *sym;
148	u64	      addr;
149	char	      level;
150	bool	      filtered;
151	u8	      cpumode;
152	s32	      cpu;
153};
154
155enum dso_kernel_type {
156	DSO_TYPE_USER = 0,
157	DSO_TYPE_KERNEL,
158	DSO_TYPE_GUEST_KERNEL
159};
160
161struct dso {
162	struct list_head node;
163	struct rb_root	 symbols[MAP__NR_TYPES];
164	struct rb_root	 symbol_names[MAP__NR_TYPES];
165	enum dso_kernel_type	kernel;
166	u8		 adjust_symbols:1;
167	u8		 has_build_id:1;
168	u8		 hit:1;
169	u8		 annotate_warned:1;
170	u8		 sname_alloc:1;
171	u8		 lname_alloc:1;
172	unsigned char	 symtab_type;
173	u8		 sorted_by_name;
174	u8		 loaded;
175	u8		 build_id[BUILD_ID_SIZE];
176	const char	 *short_name;
177	char	 	 *long_name;
178	u16		 long_name_len;
179	u16		 short_name_len;
180	char		 name[0];
181};
182
183struct dso *dso__new(const char *name);
184struct dso *dso__new_kernel(const char *name);
185void dso__delete(struct dso *dso);
186
187int dso__name_len(const struct dso *dso);
188
189bool dso__loaded(const struct dso *dso, enum map_type type);
190bool dso__sorted_by_name(const struct dso *dso, enum map_type type);
191
192static inline void dso__set_loaded(struct dso *dso, enum map_type type)
193{
194	dso->loaded |= (1 << type);
195}
196
197void dso__sort_by_name(struct dso *dso, enum map_type type);
198
199struct dso *__dsos__findnew(struct list_head *head, const char *name);
200
201int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter);
202int dso__load_vmlinux(struct dso *dso, struct map *map,
203		      const char *vmlinux, symbol_filter_t filter);
204int dso__load_vmlinux_path(struct dso *dso, struct map *map,
205			   symbol_filter_t filter);
206int dso__load_kallsyms(struct dso *dso, const char *filename, struct map *map,
207		       symbol_filter_t filter);
208int machine__load_kallsyms(struct machine *machine, const char *filename,
209			   enum map_type type, symbol_filter_t filter);
210int machine__load_vmlinux_path(struct machine *machine, enum map_type type,
211			       symbol_filter_t filter);
212
213size_t __dsos__fprintf(struct list_head *head, FILE *fp);
214
215size_t machine__fprintf_dsos_buildid(struct machine *machine,
216				     FILE *fp, bool with_hits);
217size_t machines__fprintf_dsos(struct rb_root *machines, FILE *fp);
218size_t machines__fprintf_dsos_buildid(struct rb_root *machines,
219				      FILE *fp, bool with_hits);
220size_t dso__fprintf_buildid(struct dso *dso, FILE *fp);
221size_t dso__fprintf_symbols_by_name(struct dso *dso,
222				    enum map_type type, FILE *fp);
223size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp);
224
225enum symtab_type {
226	SYMTAB__KALLSYMS = 0,
227	SYMTAB__GUEST_KALLSYMS,
228	SYMTAB__JAVA_JIT,
229	SYMTAB__BUILD_ID_CACHE,
230	SYMTAB__FEDORA_DEBUGINFO,
231	SYMTAB__UBUNTU_DEBUGINFO,
232	SYMTAB__BUILDID_DEBUGINFO,
233	SYMTAB__SYSTEM_PATH_DSO,
234	SYMTAB__GUEST_KMODULE,
235	SYMTAB__SYSTEM_PATH_KMODULE,
236	SYMTAB__NOT_FOUND,
237};
238
239char dso__symtab_origin(const struct dso *dso);
240void dso__set_long_name(struct dso *dso, char *name);
241void dso__set_build_id(struct dso *dso, void *build_id);
242void dso__read_running_kernel_build_id(struct dso *dso,
243				       struct machine *machine);
244struct symbol *dso__find_symbol(struct dso *dso, enum map_type type,
245				u64 addr);
246struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type,
247					const char *name);
248
249int filename__read_build_id(const char *filename, void *bf, size_t size);
250int sysfs__read_build_id(const char *filename, void *bf, size_t size);
251bool __dsos__read_build_ids(struct list_head *head, bool with_hits);
252int build_id__sprintf(const u8 *build_id, int len, char *bf);
253int kallsyms__parse(const char *filename, void *arg,
254		    int (*process_symbol)(void *arg, const char *name,
255					  char type, u64 start, u64 end));
256
257void machine__destroy_kernel_maps(struct machine *machine);
258int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel);
259int machine__create_kernel_maps(struct machine *machine);
260
261int machines__create_kernel_maps(struct rb_root *machines, pid_t pid);
262int machines__create_guest_kernel_maps(struct rb_root *machines);
263void machines__destroy_guest_kernel_maps(struct rb_root *machines);
264
265int symbol__init(void);
266void symbol__exit(void);
267bool symbol_type__is_a(char symbol_type, enum map_type map_type);
268
269size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);
270
271#endif /* __PERF_SYMBOL */
272