[deliverable/linux.git] / tools / perf / util / symbol.h

#ifndef __PERF_SYMBOL
#define __PERF_SYMBOL 1

#include <linux/types.h>
#include <stdbool.h>
#include "types.h"
#include <linux/list.h>
#include <linux/rbtree.h>
#include "event.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

/*
 * 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

struct symbol {
	struct rb_node	rb_node;
	u64		start;
	u64		end;
	char		name[0];
};

extern unsigned int symbol__priv_size;

static inline void *symbol__priv(struct symbol *self)
{
	return ((void *)self) - symbol__priv_size;
}

struct dso {
	struct list_head node;
	struct rb_root	 syms;
	struct symbol    *(*find_symbol)(struct dso *, u64 ip);
	u8		 adjust_symbols:1;
	u8		 slen_calculated:1;
	u8		 loaded:1;
	u8		 has_build_id:1;
	unsigned char	 origin;
	u8		 build_id[BUILD_ID_SIZE];
	u16		 long_name_len;
	const char	 *short_name;
	char	 	 *long_name;
	char		 name[0];
};

struct dso *dso__new(const char *name);
void dso__delete(struct dso *self);

struct symbol *dso__find_symbol(struct dso *self, u64 ip);

int dsos__load_kernel(const char *vmlinux, symbol_filter_t filter, int modules);
struct dso *dsos__findnew(const char *name);
int dso__load(struct dso *self, struct map *map, symbol_filter_t filter);
void dsos__fprintf(FILE *fp);
size_t dsos__fprintf_buildid(FILE *fp);

size_t dso__fprintf_buildid(struct dso *self, FILE *fp);
size_t dso__fprintf(struct dso *self, FILE *fp);
char dso__symtab_origin(const struct dso *self);
void dso__set_build_id(struct dso *self, void *build_id);

int filename__read_build_id(const char *filename, void *bf, size_t size);
bool dsos__read_build_ids(void);
int build_id__sprintf(u8 *self, int len, char *bf);

int load_kernel(symbol_filter_t filter);

void symbol__init(unsigned int priv_size);

extern struct list_head dsos;
extern struct map *kernel_map;
extern struct dso *vdso;
extern const char *vmlinux_name;
extern int   modules;
#endif /* __PERF_SYMBOL */
Commit	Line	Data
8b40f521 JK	1	#ifndef __PERF_SYMBOL
8b40f521 JK	2	#define __PERF_SYMBOL 1
a2928c42 ACM	3
a2928c42 ACM	4	#include <linux/types.h>
e4204992	5	#include <stdbool.h>
7c6a1c65	6	#include "types.h"
5da50258	7	#include <linux/list.h>
43cbcd8a	8	#include <linux/rbtree.h>
66e274f3	9	#include "event.h"
a2928c42	10
247648e3 ACM	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
84087126 MR	30	/*
	31	* libelf 0.8.x and earlier do not support ELF_C_READ_MMAP;
	32	* for newer versions we can use mmap to reduce memory usage:
	33	*/
	34	#ifdef LIBELF_NO_MMAP
	35	# define PERF_ELF_C_READ_MMAP ELF_C_READ
	36	#else
	37	# define PERF_ELF_C_READ_MMAP ELF_C_READ_MMAP
	38	#endif
	39
247648e3 ACM	40	#ifndef DMGL_PARAMS
	41	#define DMGL_PARAMS (1 << 0) /* Include function args */
	42	#define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */
	43	#endif
	44
a2928c42 ACM	45	struct symbol {
a2928c42 ACM	46	struct rb_node rb_node;
9cffa8d5 PM	47	u64 start;
9cffa8d5 PM	48	u64 end;
a2928c42 ACM	49	char name[0];
	50	};
	51
00a192b3 ACM	52	extern unsigned int symbol__priv_size;
	53
	54	static inline void symbol__priv(struct symbol self)
	55	{
	56	return ((void *)self) - symbol__priv_size;
	57	}
	58
a2928c42 ACM	59	struct dso {
	60	struct list_head node;
	61	struct rb_root syms;
9cffa8d5	62	struct symbol (find_symbol)(struct dso *, u64 ip);
8d06367f ACM	63	u8 adjust_symbols:1;
	64	u8 slen_calculated:1;
	65	u8 loaded:1;
	66	u8 has_build_id:1;
94cb9e38	67	unsigned char origin;
8d06367f	68	u8 build_id[BUILD_ID_SIZE];
cfc10d3b	69	u16 long_name_len;
439d473b ACM	70	const char *short_name;
439d473b ACM	71	char *long_name;
a2928c42 ACM	72	char name[0];
	73	};
	74
00a192b3	75	struct dso dso__new(const char name);
a2928c42 ACM	76	void dso__delete(struct dso *self);
a2928c42 ACM	77
9cffa8d5	78	struct symbol dso__find_symbol(struct dso self, u64 ip);
a2928c42	79
00a192b3 ACM	80	int dsos__load_kernel(const char *vmlinux, symbol_filter_t filter, int modules);
00a192b3 ACM	81	struct dso dsos__findnew(const char name);
6beba7ad	82	int dso__load(struct dso self, struct map map, symbol_filter_t filter);
cd84c2ac	83	void dsos__fprintf(FILE *fp);
9e03eb2d	84	size_t dsos__fprintf_buildid(FILE *fp);
a2928c42	85
9e03eb2d	86	size_t dso__fprintf_buildid(struct dso self, FILE fp);
a2928c42	87	size_t dso__fprintf(struct dso self, FILE fp);
94cb9e38	88	char dso__symtab_origin(const struct dso *self);
8d06367f	89	void dso__set_build_id(struct dso self, void build_id);
a2928c42	90
2643ce11	91	int filename__read_build_id(const char filename, void bf, size_t size);
e30a3d12	92	bool dsos__read_build_ids(void);
8d06367f	93	int build_id__sprintf(u8 self, int len, char bf);
2643ce11	94
00a192b3	95	int load_kernel(symbol_filter_t filter);
cd84c2ac	96
00a192b3	97	void symbol__init(unsigned int priv_size);
cd84c2ac FW	98
cd84c2ac FW	99	extern struct list_head dsos;
439d473b	100	extern struct map *kernel_map;
cd84c2ac	101	extern struct dso *vdso;
83a0944f	102	extern const char *vmlinux_name;
cd84c2ac	103	extern int modules;
8b40f521	104	#endif /* __PERF_SYMBOL */