summaryrefslogtreecommitdiffstats
path: root/tools/perf/util/dso.h
blob: d51aaf272c683e26e76fbd9f9b57d44c7e467c07 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
#ifndef __PERF_DSO
#define __PERF_DSO

#include <linux/types.h>
#include <linux/rbtree.h>
#include "types.h"
#include "map.h"

enum dso_binary_type {
	DSO_BINARY_TYPE__KALLSYMS = 0,
	DSO_BINARY_TYPE__GUEST_KALLSYMS,
	DSO_BINARY_TYPE__VMLINUX,
	DSO_BINARY_TYPE__GUEST_VMLINUX,
	DSO_BINARY_TYPE__JAVA_JIT,
	DSO_BINARY_TYPE__DEBUGLINK,
	DSO_BINARY_TYPE__BUILD_ID_CACHE,
	DSO_BINARY_TYPE__FEDORA_DEBUGINFO,
	DSO_BINARY_TYPE__UBUNTU_DEBUGINFO,
	DSO_BINARY_TYPE__BUILDID_DEBUGINFO,
	DSO_BINARY_TYPE__SYSTEM_PATH_DSO,
	DSO_BINARY_TYPE__GUEST_KMODULE,
	DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE,
	DSO_BINARY_TYPE__NOT_FOUND,
};

enum dso_kernel_type {
	DSO_TYPE_USER = 0,
	DSO_TYPE_KERNEL,
	DSO_TYPE_GUEST_KERNEL
};

enum dso_swap_type {
	DSO_SWAP__UNSET,
	DSO_SWAP__NO,
	DSO_SWAP__YES,
};

#define DSO__SWAP(dso, type, val)			\
({							\
	type ____r = val;				\
	BUG_ON(dso->needs_swap == DSO_SWAP__UNSET);	\
	if (dso->needs_swap == DSO_SWAP__YES) {		\
		switch (sizeof(____r)) {		\
		case 2:					\
			____r = bswap_16(val);		\
			break;				\
		case 4:					\
			____r = bswap_32(val);		\
			break;				\
		case 8:					\
			____r = bswap_64(val);		\
			break;				\
		default:				\
			BUG_ON(1);			\
		}					\
	}						\
	____r;						\
})

#define DSO__DATA_CACHE_SIZE 4096
#define DSO__DATA_CACHE_MASK ~(DSO__DATA_CACHE_SIZE - 1)

struct dso_cache {
	struct rb_node	rb_node;
	u64 offset;
	u64 size;
	char data[0];
};

struct dso {
	struct list_head node;
	struct rb_root	 symbols[MAP__NR_TYPES];
	struct rb_root	 symbol_names[MAP__NR_TYPES];
	struct rb_root	 cache;
	enum dso_kernel_type	kernel;
	enum dso_swap_type	needs_swap;
	enum dso_binary_type	symtab_type;
	enum dso_binary_type	data_type;
	u8		 adjust_symbols:1;
	u8		 has_build_id:1;
	u8		 hit:1;
	u8		 annotate_warned:1;
	u8		 sname_alloc:1;
	u8		 lname_alloc:1;
	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];
};

static inline void dso__set_loaded(struct dso *dso, enum map_type type)
{
	dso->loaded |= (1 << type);
}

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

void dso__set_short_name(struct dso *dso, const char *name);
void dso__set_long_name(struct dso *dso, char *name);

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);
void dso__set_sorted_by_name(struct dso *dso, enum map_type type);
void dso__sort_by_name(struct dso *dso, enum map_type type);

void dso__set_build_id(struct dso *dso, void *build_id);
bool dso__build_id_equal(const struct dso *dso, u8 *build_id);
void dso__read_running_kernel_build_id(struct dso *dso,
				       struct machine *machine);
int dso__kernel_module_get_build_id(struct dso *dso, const char *root_dir);

char dso__symtab_origin(const struct dso *dso);
int dso__binary_type_file(struct dso *dso, enum dso_binary_type type,
			  char *root_dir, char *file, size_t size);

int dso__data_fd(struct dso *dso, struct machine *machine);
ssize_t dso__data_read_offset(struct dso *dso, struct machine *machine,
			      u64 offset, u8 *data, ssize_t size);
ssize_t dso__data_read_addr(struct dso *dso, struct map *map,
			    struct machine *machine, u64 addr,
			    u8 *data, ssize_t size);

struct map *dso__new_map(const char *name);
struct dso *dso__kernel_findnew(struct machine *machine, const char *name,
				const char *short_name, int dso_type);

void dsos__add(struct list_head *head, struct dso *dso);
struct dso *dsos__find(struct list_head *head, const char *name,
		       bool cmp_short);
struct dso *__dsos__findnew(struct list_head *head, const char *name);
bool __dsos__read_build_ids(struct list_head *head, bool with_hits);

size_t __dsos__fprintf_buildid(struct list_head *head, FILE *fp,
			       bool (skip)(struct dso *dso, int parm), int parm);
size_t __dsos__fprintf(struct list_head *head, FILE *fp);

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);
#endif /* __PERF_DSO */