blob: 6e3f63781e51ad2f8294dbbe8645c9ddf39a62cd [file] [log] [blame]
Greg Kroah-Hartmanb2441312017-11-01 15:07:57 +01001/* SPDX-License-Identifier: GPL-2.0 */
Jiri Olsacdd059d2012-10-27 23:18:32 +02002#ifndef __PERF_DSO
3#define __PERF_DSO
4
Elena Reshetova71008102017-02-21 17:34:58 +02005#include <linux/refcount.h>
Jiri Olsacdd059d2012-10-27 23:18:32 +02006#include <linux/types.h>
7#include <linux/rbtree.h>
Arnaldo Carvalho de Melod0761e32016-07-07 15:42:33 -03008#include <sys/types.h>
Adrian Hunter39b12f782013-08-07 14:38:47 +03009#include <stdbool.h>
Arnaldo Carvalho de Melod328e302019-01-22 11:10:59 -020010#include <stdio.h>
Arnaldo Carvalho de Melo0a7c74e2017-04-04 13:15:04 -030011#include "rwsem.h"
Adrian Hunter2b5b8bb2014-07-22 16:17:59 +030012#include <linux/bitops.h>
Namhyung Kim86c98ca2013-09-11 14:09:30 +090013#include "build-id.h"
Jiri Olsacdd059d2012-10-27 23:18:32 +020014
Arnaldo Carvalho de Melo40f3b2d2019-01-22 11:24:34 -020015struct machine;
Arnaldo Carvalho de Melod328e302019-01-22 11:10:59 -020016struct map;
Song Liu9b86d042019-03-11 22:30:48 -070017struct perf_env;
Arnaldo Carvalho de Melod328e302019-01-22 11:10:59 -020018
Jiri Olsacdd059d2012-10-27 23:18:32 +020019enum dso_binary_type {
20 DSO_BINARY_TYPE__KALLSYMS = 0,
21 DSO_BINARY_TYPE__GUEST_KALLSYMS,
22 DSO_BINARY_TYPE__VMLINUX,
23 DSO_BINARY_TYPE__GUEST_VMLINUX,
24 DSO_BINARY_TYPE__JAVA_JIT,
25 DSO_BINARY_TYPE__DEBUGLINK,
26 DSO_BINARY_TYPE__BUILD_ID_CACHE,
Krister Johansend2396992017-07-05 18:48:13 -070027 DSO_BINARY_TYPE__BUILD_ID_CACHE_DEBUGINFO,
Jiri Olsacdd059d2012-10-27 23:18:32 +020028 DSO_BINARY_TYPE__FEDORA_DEBUGINFO,
29 DSO_BINARY_TYPE__UBUNTU_DEBUGINFO,
30 DSO_BINARY_TYPE__BUILDID_DEBUGINFO,
31 DSO_BINARY_TYPE__SYSTEM_PATH_DSO,
32 DSO_BINARY_TYPE__GUEST_KMODULE,
Namhyung Kimc00c48f2014-11-04 10:14:27 +090033 DSO_BINARY_TYPE__GUEST_KMODULE_COMP,
Jiri Olsacdd059d2012-10-27 23:18:32 +020034 DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE,
Namhyung Kimc00c48f2014-11-04 10:14:27 +090035 DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE_COMP,
Adrian Hunter8e0cf962013-08-07 14:38:51 +030036 DSO_BINARY_TYPE__KCORE,
37 DSO_BINARY_TYPE__GUEST_KCORE,
Ricardo Ribalda Delgado9cd00942013-09-18 15:56:14 +020038 DSO_BINARY_TYPE__OPENEMBEDDED_DEBUGINFO,
Song Liu9b86d042019-03-11 22:30:48 -070039 DSO_BINARY_TYPE__BPF_PROG_INFO,
Jiri Olsacdd059d2012-10-27 23:18:32 +020040 DSO_BINARY_TYPE__NOT_FOUND,
41};
42
43enum dso_kernel_type {
44 DSO_TYPE_USER = 0,
45 DSO_TYPE_KERNEL,
46 DSO_TYPE_GUEST_KERNEL
47};
48
49enum dso_swap_type {
50 DSO_SWAP__UNSET,
51 DSO_SWAP__NO,
52 DSO_SWAP__YES,
53};
54
Adrian Hunterc27697d2014-07-22 16:17:18 +030055enum dso_data_status {
56 DSO_DATA_STATUS_ERROR = -1,
57 DSO_DATA_STATUS_UNKNOWN = 0,
58 DSO_DATA_STATUS_OK = 1,
59};
60
Adrian Hunter288be942014-07-22 16:17:19 +030061enum dso_data_status_seen {
62 DSO_DATA_STATUS_SEEN_ITRACE,
63};
64
Adrian Hunter2b5b8bb2014-07-22 16:17:59 +030065enum dso_type {
66 DSO__TYPE_UNKNOWN,
67 DSO__TYPE_64BIT,
68 DSO__TYPE_32BIT,
69 DSO__TYPE_X32BIT,
70};
71
Arnaldo Carvalho de Melo18425f12015-03-24 11:49:02 -030072enum dso_load_errno {
73 DSO_LOAD_ERRNO__SUCCESS = 0,
74
75 /*
76 * Choose an arbitrary negative big number not to clash with standard
77 * errno since SUS requires the errno has distinct positive values.
78 * See 'Issue 6' in the link below.
79 *
80 * http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html
81 */
82 __DSO_LOAD_ERRNO__START = -10000,
83
84 DSO_LOAD_ERRNO__INTERNAL_ERROR = __DSO_LOAD_ERRNO__START,
85
86 /* for symsrc__init() */
87 DSO_LOAD_ERRNO__INVALID_ELF,
88 DSO_LOAD_ERRNO__CANNOT_READ_BUILDID,
89 DSO_LOAD_ERRNO__MISMATCHING_BUILDID,
90
91 /* for decompress_kmodule */
92 DSO_LOAD_ERRNO__DECOMPRESSION_FAILURE,
93
94 __DSO_LOAD_ERRNO__END,
95};
96
Jiri Olsacdd059d2012-10-27 23:18:32 +020097#define DSO__SWAP(dso, type, val) \
98({ \
99 type ____r = val; \
100 BUG_ON(dso->needs_swap == DSO_SWAP__UNSET); \
101 if (dso->needs_swap == DSO_SWAP__YES) { \
102 switch (sizeof(____r)) { \
103 case 2: \
104 ____r = bswap_16(val); \
105 break; \
106 case 4: \
107 ____r = bswap_32(val); \
108 break; \
109 case 8: \
110 ____r = bswap_64(val); \
111 break; \
112 default: \
113 BUG_ON(1); \
114 } \
115 } \
116 ____r; \
117})
118
119#define DSO__DATA_CACHE_SIZE 4096
120#define DSO__DATA_CACHE_MASK ~(DSO__DATA_CACHE_SIZE - 1)
121
122struct dso_cache {
123 struct rb_node rb_node;
124 u64 offset;
125 u64 size;
126 char data[0];
127};
128
Waiman Long8fa7d872014-09-29 16:07:28 -0400129/*
Waiman Long4598a0a2014-09-30 13:36:15 -0400130 * DSOs are put into both a list for fast iteration and rbtree for fast
131 * long name lookup.
Waiman Long8fa7d872014-09-29 16:07:28 -0400132 */
133struct dsos {
134 struct list_head head;
Waiman Long4598a0a2014-09-30 13:36:15 -0400135 struct rb_root root; /* rbtree root sorted by long name */
Arnaldo Carvalho de Melo0a7c74e2017-04-04 13:15:04 -0300136 struct rw_semaphore lock;
Waiman Long8fa7d872014-09-29 16:07:28 -0400137};
138
Adrian Huntercfe91742015-04-09 18:53:55 +0300139struct auxtrace_cache;
140
Jiri Olsacdd059d2012-10-27 23:18:32 +0200141struct dso {
Namhyung Kim4a936ed2015-05-18 09:30:40 +0900142 pthread_mutex_t lock;
Jiri Olsacdd059d2012-10-27 23:18:32 +0200143 struct list_head node;
Waiman Long4598a0a2014-09-30 13:36:15 -0400144 struct rb_node rb_node; /* rbtree node sorted by long name */
Adrian Huntere266a752015-11-13 11:48:30 +0200145 struct rb_root *root; /* root of rbtree that rb_node is in */
Davidlohr Bueso7137ff52018-12-06 11:18:17 -0800146 struct rb_root_cached symbols;
147 struct rb_root_cached symbol_names;
Davidlohr Bueso55ecd632018-12-06 11:18:15 -0800148 struct rb_root_cached inlined_nodes;
149 struct rb_root_cached srclines;
Arnaldo Carvalho de Melob685ac22015-07-22 12:52:17 -0300150 struct {
151 u64 addr;
152 struct symbol *symbol;
Arnaldo Carvalho de Melo3183f8c2018-04-26 16:52:34 -0300153 } last_find_result;
Adrian Hunter454ff002013-12-03 09:23:07 +0200154 void *a2l;
Adrian Hunter0058aef2013-12-03 09:23:08 +0200155 char *symsrc_filename;
Adrian Hunter906049c82013-12-03 09:23:10 +0200156 unsigned int a2l_fails;
Jiri Olsacdd059d2012-10-27 23:18:32 +0200157 enum dso_kernel_type kernel;
158 enum dso_swap_type needs_swap;
159 enum dso_binary_type symtab_type;
Arnaldo Carvalho de Melo5f706192013-12-17 16:14:07 -0300160 enum dso_binary_type binary_type;
Arnaldo Carvalho de Melo18425f12015-03-24 11:49:02 -0300161 enum dso_load_errno load_errno;
Jiri Olsacdd059d2012-10-27 23:18:32 +0200162 u8 adjust_symbols:1;
163 u8 has_build_id:1;
Namhyung Kim2cc9d0e2013-09-11 14:09:31 +0900164 u8 has_srcline:1;
Jiri Olsacdd059d2012-10-27 23:18:32 +0200165 u8 hit:1;
166 u8 annotate_warned:1;
Arnaldo Carvalho de Meloc7282f22013-12-10 10:44:37 -0300167 u8 short_name_allocated:1;
168 u8 long_name_allocated:1;
Adrian Hunterc6d8f2a2014-07-14 13:02:41 +0300169 u8 is_64_bit:1;
Arnaldo Carvalho de Melo3183f8c2018-04-26 16:52:34 -0300170 bool sorted_by_name;
171 bool loaded;
Adrian Hunter0131c4e2013-08-07 14:38:50 +0300172 u8 rel;
Jiri Olsacdd059d2012-10-27 23:18:32 +0200173 u8 build_id[BUILD_ID_SIZE];
Wang Nan73cdf0c2016-02-26 09:31:49 +0000174 u64 text_offset;
Jiri Olsacdd059d2012-10-27 23:18:32 +0200175 const char *short_name;
Arnaldo Carvalho de Melobf4414a2013-12-10 15:19:23 -0300176 const char *long_name;
Jiri Olsacdd059d2012-10-27 23:18:32 +0200177 u16 long_name_len;
178 u16 short_name_len;
Sukadev Bhattiprolu7d073b32014-10-21 17:09:58 -0700179 void *dwfl; /* DWARF debug info */
Adrian Huntercfe91742015-04-09 18:53:55 +0300180 struct auxtrace_cache *auxtrace_cache;
Jiri Olsa2af524752018-08-17 11:48:07 +0200181 int comp;
Jiri Olsaca40e2a2014-05-07 18:30:45 +0200182
183 /* dso data file */
184 struct {
185 struct rb_root cache;
Jiri Olsa53fa8eaa2014-04-28 16:43:43 +0200186 int fd;
Adrian Hunterc27697d2014-07-22 16:17:18 +0300187 int status;
Adrian Hunter288be942014-07-22 16:17:19 +0300188 u32 status_seen;
Jiri Olsac3fbd2a2014-05-07 18:51:41 +0200189 size_t file_size;
Jiri Olsaeba51022014-04-30 15:00:59 +0200190 struct list_head open_entry;
Wang Nan303cb892015-03-13 15:02:56 +0800191 u64 debug_frame_offset;
192 u64 eh_frame_hdr_offset;
Jiri Olsaca40e2a2014-05-07 18:30:45 +0200193 } data;
Song Liu9b86d042019-03-11 22:30:48 -0700194 /* bpf prog information */
195 struct {
196 u32 id;
197 u32 sub_id;
198 struct perf_env *env;
199 } bpf_prog;
Jiri Olsaca40e2a2014-05-07 18:30:45 +0200200
Adrian Hunter0db15b12014-10-23 13:45:13 +0300201 union { /* Tool specific area */
202 void *priv;
203 u64 db_id;
204 };
Krister Johansen843ff372017-07-05 18:48:08 -0700205 struct nsinfo *nsinfo;
Elena Reshetova71008102017-02-21 17:34:58 +0200206 refcount_t refcnt;
Jiri Olsacdd059d2012-10-27 23:18:32 +0200207 char name[0];
208};
209
Masami Hiramatsueb948e52014-02-06 05:32:25 +0000210/* dso__for_each_symbol - iterate over the symbols of given type
211 *
212 * @dso: the 'struct dso *' in which symbols itereated
213 * @pos: the 'struct symbol *' to use as a loop cursor
214 * @n: the 'struct rb_node *' to use as a temporary storage
Masami Hiramatsueb948e52014-02-06 05:32:25 +0000215 */
Arnaldo Carvalho de Melo3183f8c2018-04-26 16:52:34 -0300216#define dso__for_each_symbol(dso, pos, n) \
217 symbols__for_each_entry(&(dso)->symbols, pos, n)
Masami Hiramatsueb948e52014-02-06 05:32:25 +0000218
Arnaldo Carvalho de Melo3183f8c2018-04-26 16:52:34 -0300219static inline void dso__set_loaded(struct dso *dso)
Jiri Olsacdd059d2012-10-27 23:18:32 +0200220{
Arnaldo Carvalho de Melo3183f8c2018-04-26 16:52:34 -0300221 dso->loaded = true;
Jiri Olsacdd059d2012-10-27 23:18:32 +0200222}
223
224struct dso *dso__new(const char *name);
225void dso__delete(struct dso *dso);
226
Adrian Hunter58a98c92013-12-10 11:11:46 -0300227void dso__set_short_name(struct dso *dso, const char *name, bool name_allocated);
Arnaldo Carvalho de Melobf4414a2013-12-10 15:19:23 -0300228void dso__set_long_name(struct dso *dso, const char *name, bool name_allocated);
Jiri Olsacdd059d2012-10-27 23:18:32 +0200229
230int dso__name_len(const struct dso *dso);
231
Arnaldo Carvalho de Melod3a7c482015-06-02 11:53:26 -0300232struct dso *dso__get(struct dso *dso);
233void dso__put(struct dso *dso);
234
235static inline void __dso__zput(struct dso **dso)
236{
237 dso__put(*dso);
238 *dso = NULL;
239}
240
241#define dso__zput(dso) __dso__zput(&dso)
242
Arnaldo Carvalho de Melo3183f8c2018-04-26 16:52:34 -0300243bool dso__loaded(const struct dso *dso);
Jiri Olsacdd059d2012-10-27 23:18:32 +0200244
Arnaldo Carvalho de Melo3183f8c2018-04-26 16:52:34 -0300245static inline bool dso__has_symbols(const struct dso *dso)
Arnaldo Carvalho de Melod88205d2018-04-23 17:08:02 -0300246{
Davidlohr Bueso7137ff52018-12-06 11:18:17 -0800247 return !RB_EMPTY_ROOT(&dso->symbols.rb_root);
Arnaldo Carvalho de Melod88205d2018-04-23 17:08:02 -0300248}
249
Arnaldo Carvalho de Melo3183f8c2018-04-26 16:52:34 -0300250bool dso__sorted_by_name(const struct dso *dso);
251void dso__set_sorted_by_name(struct dso *dso);
252void dso__sort_by_name(struct dso *dso);
Jiri Olsacdd059d2012-10-27 23:18:32 +0200253
254void dso__set_build_id(struct dso *dso, void *build_id);
255bool dso__build_id_equal(const struct dso *dso, u8 *build_id);
256void dso__read_running_kernel_build_id(struct dso *dso,
257 struct machine *machine);
258int dso__kernel_module_get_build_id(struct dso *dso, const char *root_dir);
259
260char dso__symtab_origin(const struct dso *dso);
Arnaldo Carvalho de Meloee4e9622013-12-16 17:03:18 -0300261int dso__read_binary_type_filename(const struct dso *dso, enum dso_binary_type type,
262 char *root_dir, char *filename, size_t size);
Wang Nan1f121b02015-06-03 08:52:21 +0000263bool is_kernel_module(const char *pathname, int cpumode);
Namhyung Kimc00c48f2014-11-04 10:14:27 +0900264bool dso__needs_decompress(struct dso *dso);
Namhyung Kim42b3fa62017-06-08 16:31:03 +0900265int dso__decompress_kmodule_fd(struct dso *dso, const char *name);
266int dso__decompress_kmodule_path(struct dso *dso, const char *name,
267 char *pathname, size_t len);
268
269#define KMOD_DECOMP_NAME "/tmp/perf-kmod-XXXXXX"
270#define KMOD_DECOMP_LEN sizeof(KMOD_DECOMP_NAME)
Jiri Olsacdd059d2012-10-27 23:18:32 +0200271
Jiri Olsa3c8a67f2015-02-05 15:40:25 +0100272struct kmod_path {
273 char *name;
Jiri Olsa4b838b02018-08-17 11:48:06 +0200274 int comp;
Jiri Olsa3c8a67f2015-02-05 15:40:25 +0100275 bool kmod;
276};
277
278int __kmod_path__parse(struct kmod_path *m, const char *path,
Jiri Olsab946cd32018-08-17 11:48:13 +0200279 bool alloc_name);
Jiri Olsa3c8a67f2015-02-05 15:40:25 +0100280
Jiri Olsab946cd32018-08-17 11:48:13 +0200281#define kmod_path__parse(__m, __p) __kmod_path__parse(__m, __p, false)
282#define kmod_path__parse_name(__m, __p) __kmod_path__parse(__m, __p, true)
Jiri Olsa3c8a67f2015-02-05 15:40:25 +0100283
Namhyung Kim6b335e82017-05-31 21:01:04 +0900284void dso__set_module_info(struct dso *dso, struct kmod_path *m,
285 struct machine *machine);
286
Jiri Olsac1f9aa02014-05-07 21:09:59 +0200287/*
288 * The dso__data_* external interface provides following functions:
Namhyung Kim4bb11d02015-05-21 01:03:41 +0900289 * dso__data_get_fd
290 * dso__data_put_fd
Jiri Olsac1f9aa02014-05-07 21:09:59 +0200291 * dso__data_close
Adrian Hunter6d363452014-07-22 16:17:35 +0300292 * dso__data_size
Jiri Olsac1f9aa02014-05-07 21:09:59 +0200293 * dso__data_read_offset
294 * dso__data_read_addr
295 *
296 * Please refer to the dso.c object code for each function and
297 * arguments documentation. Following text tries to explain the
298 * dso file descriptor caching.
299 *
300 * The dso__data* interface allows caching of opened file descriptors
301 * to speed up the dso data accesses. The idea is to leave the file
302 * descriptor opened ideally for the whole life of the dso object.
303 *
304 * The current usage of the dso__data_* interface is as follows:
305 *
306 * Get DSO's fd:
Namhyung Kim4bb11d02015-05-21 01:03:41 +0900307 * int fd = dso__data_get_fd(dso, machine);
308 * if (fd >= 0) {
309 * USE 'fd' SOMEHOW
310 * dso__data_put_fd(dso);
311 * }
Jiri Olsac1f9aa02014-05-07 21:09:59 +0200312 *
313 * Read DSO's data:
314 * n = dso__data_read_offset(dso_0, &machine, 0, buf, BUFSIZE);
315 * n = dso__data_read_addr(dso_0, &machine, 0, buf, BUFSIZE);
316 *
317 * Eventually close DSO's fd:
318 * dso__data_close(dso);
319 *
320 * It is not necessary to close the DSO object data file. Each time new
321 * DSO data file is opened, the limit (RLIMIT_NOFILE/2) is checked. Once
322 * it is crossed, the oldest opened DSO object is closed.
323 *
324 * The dso__delete function calls close_dso function to ensure the
325 * data file descriptor gets closed/unmapped before the dso object
326 * is freed.
327 *
328 * TODO
329*/
Namhyung Kim4bb11d02015-05-21 01:03:41 +0900330int dso__data_get_fd(struct dso *dso, struct machine *machine);
Arnaldo Carvalho de Melob8f8eb82016-03-22 13:09:37 -0300331void dso__data_put_fd(struct dso *dso);
Jiri Olsa53fa8eaa2014-04-28 16:43:43 +0200332void dso__data_close(struct dso *dso);
333
Adrian Hunterb5c21612018-11-27 10:46:34 +0200334int dso__data_file_size(struct dso *dso, struct machine *machine);
Adrian Hunter6d363452014-07-22 16:17:35 +0300335off_t dso__data_size(struct dso *dso, struct machine *machine);
Jiri Olsacdd059d2012-10-27 23:18:32 +0200336ssize_t dso__data_read_offset(struct dso *dso, struct machine *machine,
337 u64 offset, u8 *data, ssize_t size);
338ssize_t dso__data_read_addr(struct dso *dso, struct map *map,
339 struct machine *machine, u64 addr,
340 u8 *data, ssize_t size);
Adrian Hunter288be942014-07-22 16:17:19 +0300341bool dso__data_status_seen(struct dso *dso, enum dso_data_status_seen by);
Jiri Olsacdd059d2012-10-27 23:18:32 +0200342
343struct map *dso__new_map(const char *name);
Arnaldo Carvalho de Melo459ce512015-05-28 12:40:55 -0300344struct dso *machine__findnew_kernel(struct machine *machine, const char *name,
345 const char *short_name, int dso_type);
Jiri Olsacdd059d2012-10-27 23:18:32 +0200346
Arnaldo Carvalho de Meloe8807842015-06-01 15:40:01 -0300347void __dsos__add(struct dsos *dsos, struct dso *dso);
Waiman Long8fa7d872014-09-29 16:07:28 -0400348void dsos__add(struct dsos *dsos, struct dso *dso);
Arnaldo Carvalho de Meloe8807842015-06-01 15:40:01 -0300349struct dso *__dsos__addnew(struct dsos *dsos, const char *name);
350struct dso *__dsos__find(struct dsos *dsos, const char *name, bool cmp_short);
351struct dso *dsos__find(struct dsos *dsos, const char *name, bool cmp_short);
Waiman Long8fa7d872014-09-29 16:07:28 -0400352struct dso *__dsos__findnew(struct dsos *dsos, const char *name);
Arnaldo Carvalho de Meloe8807842015-06-01 15:40:01 -0300353struct dso *dsos__findnew(struct dsos *dsos, const char *name);
Jiri Olsacdd059d2012-10-27 23:18:32 +0200354bool __dsos__read_build_ids(struct list_head *head, bool with_hits);
355
Arnaldo Carvalho de Meloc0b4dff2015-08-24 13:33:14 -0300356void dso__reset_find_symbol_cache(struct dso *dso);
357
Jiri Olsacdd059d2012-10-27 23:18:32 +0200358size_t __dsos__fprintf_buildid(struct list_head *head, FILE *fp,
Arnaldo Carvalho de Melo417c2ff2012-12-07 09:53:58 -0300359 bool (skip)(struct dso *dso, int parm), int parm);
Jiri Olsacdd059d2012-10-27 23:18:32 +0200360size_t __dsos__fprintf(struct list_head *head, FILE *fp);
361
362size_t dso__fprintf_buildid(struct dso *dso, FILE *fp);
Arnaldo Carvalho de Melo3183f8c2018-04-26 16:52:34 -0300363size_t dso__fprintf_symbols_by_name(struct dso *dso, FILE *fp);
364size_t dso__fprintf(struct dso *dso, FILE *fp);
Adrian Hunter39b12f782013-08-07 14:38:47 +0300365
366static inline bool dso__is_vmlinux(struct dso *dso)
367{
Arnaldo Carvalho de Melo5f706192013-12-17 16:14:07 -0300368 return dso->binary_type == DSO_BINARY_TYPE__VMLINUX ||
369 dso->binary_type == DSO_BINARY_TYPE__GUEST_VMLINUX;
Adrian Hunter39b12f782013-08-07 14:38:47 +0300370}
371
Adrian Hunter8e0cf962013-08-07 14:38:51 +0300372static inline bool dso__is_kcore(struct dso *dso)
373{
Arnaldo Carvalho de Melo5f706192013-12-17 16:14:07 -0300374 return dso->binary_type == DSO_BINARY_TYPE__KCORE ||
375 dso->binary_type == DSO_BINARY_TYPE__GUEST_KCORE;
Adrian Hunter8e0cf962013-08-07 14:38:51 +0300376}
377
Masami Hiramatsu01412262016-05-29 00:15:37 +0900378static inline bool dso__is_kallsyms(struct dso *dso)
379{
380 return dso->kernel && dso->long_name[0] != '/';
381}
382
Adrian Hunter454ff002013-12-03 09:23:07 +0200383void dso__free_a2l(struct dso *dso);
384
Adrian Hunter2b5b8bb2014-07-22 16:17:59 +0300385enum dso_type dso__type(struct dso *dso, struct machine *machine);
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Arnaldo Carvalho de Melo18425f12015-03-24 11:49:02 -0300387int dso__strerror_load(struct dso *dso, char *buf, size_t buflen);
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Jiri Olsaf3069242016-06-28 13:29:02 +0200389void reset_fd_limit(void);
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Jiri Olsacdd059d2012-10-27 23:18:32 +0200391#endif /* __PERF_DSO */