xref: /linux/tools/perf/util/symbol.h (revision 43315956509ca6913764861ac7dec128b91eb1ec)
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 #ifdef HAVE_CPLUS_DEMANGLE
12 extern char *cplus_demangle(const char *, int);
13 
14 static inline char *bfd_demangle(void __used *v, const char *c, int i)
15 {
16 	return cplus_demangle(c, i);
17 }
18 #else
19 #ifdef NO_DEMANGLE
20 static inline char *bfd_demangle(void __used *v, const char __used *c,
21 				 int __used i)
22 {
23 	return NULL;
24 }
25 #else
26 #include <bfd.h>
27 #endif
28 #endif
29 
30 #ifndef DMGL_PARAMS
31 #define DMGL_PARAMS      (1 << 0)       /* Include function args */
32 #define DMGL_ANSI        (1 << 1)       /* Include const, volatile, etc */
33 #endif
34 
35 struct symbol {
36 	struct rb_node	rb_node;
37 	u64		start;
38 	u64		end;
39 	char		name[0];
40 };
41 
42 struct dso {
43 	struct list_head node;
44 	struct rb_root	 syms;
45 	struct symbol    *(*find_symbol)(struct dso *, u64 ip);
46 	unsigned int	 sym_priv_size;
47 	unsigned char	 adjust_symbols;
48 	unsigned char	 slen_calculated;
49 	unsigned char	 origin;
50 	const char	 *short_name;
51 	char	 	 *long_name;
52 	char		 name[0];
53 };
54 
55 struct dso *dso__new(const char *name, unsigned int sym_priv_size);
56 void dso__delete(struct dso *self);
57 
58 static inline void *dso__sym_priv(struct dso *self, struct symbol *sym)
59 {
60 	return ((void *)sym) - self->sym_priv_size;
61 }
62 
63 struct symbol *dso__find_symbol(struct dso *self, u64 ip);
64 
65 int dsos__load_kernel(const char *vmlinux, unsigned int sym_priv_size,
66 		      symbol_filter_t filter, int modules);
67 struct dso *dsos__findnew(const char *name, unsigned int sym_priv_size,
68 			  bool *is_new);
69 int dso__load(struct dso *self, struct map *map, symbol_filter_t filter);
70 void dsos__fprintf(FILE *fp);
71 
72 size_t dso__fprintf(struct dso *self, FILE *fp);
73 char dso__symtab_origin(const struct dso *self);
74 
75 int load_kernel(unsigned int sym_priv_size, symbol_filter_t filter);
76 
77 void symbol__init(void);
78 
79 extern struct list_head dsos;
80 extern struct map *kernel_map;
81 extern struct dso *vdso;
82 extern const char *vmlinux_name;
83 extern int   modules;
84 #endif /* __PERF_SYMBOL */
85