1#ifndef __PERF_DSO
2#define __PERF_DSO
3
4#include <linux/types.h>
5#include <linux/rbtree.h>
6#include <stdbool.h>
7#include "types.h"
8#include "map.h"
9
10enum dso_binary_type {
11	DSO_BINARY_TYPE__KALLSYMS = 0,
12	DSO_BINARY_TYPE__GUEST_KALLSYMS,
13	DSO_BINARY_TYPE__VMLINUX,
14	DSO_BINARY_TYPE__GUEST_VMLINUX,
15	DSO_BINARY_TYPE__JAVA_JIT,
16	DSO_BINARY_TYPE__DEBUGLINK,
17	DSO_BINARY_TYPE__BUILD_ID_CACHE,
18	DSO_BINARY_TYPE__FEDORA_DEBUGINFO,
19	DSO_BINARY_TYPE__UBUNTU_DEBUGINFO,
20	DSO_BINARY_TYPE__BUILDID_DEBUGINFO,
21	DSO_BINARY_TYPE__SYSTEM_PATH_DSO,
22	DSO_BINARY_TYPE__GUEST_KMODULE,
23	DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE,
24	DSO_BINARY_TYPE__KCORE,
25	DSO_BINARY_TYPE__GUEST_KCORE,
26	DSO_BINARY_TYPE__NOT_FOUND,
27};
28
29enum dso_kernel_type {
30	DSO_TYPE_USER = 0,
31	DSO_TYPE_KERNEL,
32	DSO_TYPE_GUEST_KERNEL
33};
34
35enum dso_swap_type {
36	DSO_SWAP__UNSET,
37	DSO_SWAP__NO,
38	DSO_SWAP__YES,
39};
40
41#define DSO__SWAP(dso, type, val)			\
42({							\
43	type ____r = val;				\
44	BUG_ON(dso->needs_swap == DSO_SWAP__UNSET);	\
45	if (dso->needs_swap == DSO_SWAP__YES) {		\
46		switch (sizeof(____r)) {		\
47		case 2:					\
48			____r = bswap_16(val);		\
49			break;				\
50		case 4:					\
51			____r = bswap_32(val);		\
52			break;				\
53		case 8:					\
54			____r = bswap_64(val);		\
55			break;				\
56		default:				\
57			BUG_ON(1);			\
58		}					\
59	}						\
60	____r;						\
61})
62
63#define DSO__DATA_CACHE_SIZE 4096
64#define DSO__DATA_CACHE_MASK ~(DSO__DATA_CACHE_SIZE - 1)
65
66struct dso_cache {
67	struct rb_node	rb_node;
68	u64 offset;
69	u64 size;
70	char data[0];
71};
72
73struct dso {
74	struct list_head node;
75	struct rb_root	 symbols[MAP__NR_TYPES];
76	struct rb_root	 symbol_names[MAP__NR_TYPES];
77	struct rb_root	 cache;
78	enum dso_kernel_type	kernel;
79	enum dso_swap_type	needs_swap;
80	enum dso_binary_type	symtab_type;
81	enum dso_binary_type	data_type;
82	u8		 adjust_symbols:1;
83	u8		 has_build_id:1;
84	u8		 hit:1;
85	u8		 annotate_warned:1;
86	u8		 sname_alloc:1;
87	u8		 lname_alloc:1;
88	u8		 sorted_by_name;
89	u8		 loaded;
90	u8		 rel;
91	u8		 build_id[BUILD_ID_SIZE];
92	const char	 *short_name;
93	char		 *long_name;
94	u16		 long_name_len;
95	u16		 short_name_len;
96	char		 name[0];
97};
98
99static inline void dso__set_loaded(struct dso *dso, enum map_type type)
100{
101	dso->loaded |= (1 << type);
102}
103
104struct dso *dso__new(const char *name);
105void dso__delete(struct dso *dso);
106
107void dso__set_short_name(struct dso *dso, const char *name);
108void dso__set_long_name(struct dso *dso, char *name);
109
110int dso__name_len(const struct dso *dso);
111
112bool dso__loaded(const struct dso *dso, enum map_type type);
113
114bool dso__sorted_by_name(const struct dso *dso, enum map_type type);
115void dso__set_sorted_by_name(struct dso *dso, enum map_type type);
116void dso__sort_by_name(struct dso *dso, enum map_type type);
117
118void dso__set_build_id(struct dso *dso, void *build_id);
119bool dso__build_id_equal(const struct dso *dso, u8 *build_id);
120void dso__read_running_kernel_build_id(struct dso *dso,
121				       struct machine *machine);
122int dso__kernel_module_get_build_id(struct dso *dso, const char *root_dir);
123
124char dso__symtab_origin(const struct dso *dso);
125int dso__binary_type_file(struct dso *dso, enum dso_binary_type type,
126			  char *root_dir, char *file, size_t size);
127
128int dso__data_fd(struct dso *dso, struct machine *machine);
129ssize_t dso__data_read_offset(struct dso *dso, struct machine *machine,
130			      u64 offset, u8 *data, ssize_t size);
131ssize_t dso__data_read_addr(struct dso *dso, struct map *map,
132			    struct machine *machine, u64 addr,
133			    u8 *data, ssize_t size);
134
135struct map *dso__new_map(const char *name);
136struct dso *dso__kernel_findnew(struct machine *machine, const char *name,
137				const char *short_name, int dso_type);
138
139void dsos__add(struct list_head *head, struct dso *dso);
140struct dso *dsos__find(struct list_head *head, const char *name,
141		       bool cmp_short);
142struct dso *__dsos__findnew(struct list_head *head, const char *name);
143bool __dsos__read_build_ids(struct list_head *head, bool with_hits);
144
145size_t __dsos__fprintf_buildid(struct list_head *head, FILE *fp,
146			       bool (skip)(struct dso *dso, int parm), int parm);
147size_t __dsos__fprintf(struct list_head *head, FILE *fp);
148
149size_t dso__fprintf_buildid(struct dso *dso, FILE *fp);
150size_t dso__fprintf_symbols_by_name(struct dso *dso,
151				    enum map_type type, FILE *fp);
152size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp);
153
154static inline bool dso__is_vmlinux(struct dso *dso)
155{
156	return dso->data_type == DSO_BINARY_TYPE__VMLINUX ||
157	       dso->data_type == DSO_BINARY_TYPE__GUEST_VMLINUX;
158}
159
160static inline bool dso__is_kcore(struct dso *dso)
161{
162	return dso->data_type == DSO_BINARY_TYPE__KCORE ||
163	       dso->data_type == DSO_BINARY_TYPE__GUEST_KCORE;
164}
165
166#endif /* __PERF_DSO */
167