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perf symbols: Function descriptor symbol lookup
[deliverable/linux.git] / tools / perf / util / util.h
CommitLineData
07800601
IM		 1#ifndef GIT_COMPAT_UTIL_H
2#define GIT_COMPAT_UTIL_H
3
4#define _FILE_OFFSET_BITS 64
5
6#ifndef FLEX_ARRAY
7/*
8 * See if our compiler is known to support flexible array members.
9 */
10#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
11# define FLEX_ARRAY /* empty */
12#elif defined(__GNUC__)
13# if (__GNUC__ >= 3)
14# define FLEX_ARRAY /* empty */
15# else
16# define FLEX_ARRAY 0 /* older GNU extension */
17# endif
18#endif
19
20/*
21 * Otherwise, default to safer but a bit wasteful traditional style
22 */
23#ifndef FLEX_ARRAY
24# define FLEX_ARRAY 1
25#endif
26#endif
27
28#define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
29
30#ifdef __GNUC__
31#define TYPEOF(x) (__typeof__(x))
32#else
33#define TYPEOF(x)
34#endif
35
36#define MSB(x, bits) ((x) & TYPEOF(x)(~0ULL << (sizeof(x) * 8 - (bits))))
37#define HAS_MULTI_BITS(i) ((i) & ((i) - 1)) /* checks if an integer has more than 1 bit set */
38
39/* Approximation of the length of the decimal representation of this type. */
40#define decimal_length(x) ((int)(sizeof(x) * 2.56 + 0.5) + 1)
41
07800601
IM		 42#define _ALL_SOURCE 1
43#define _GNU_SOURCE 1
44#define _BSD_SOURCE 1
e206d556 45#define HAS_BOOL
07800601
IM		 46
47#include <unistd.h>
48#include <stdio.h>
49#include <sys/stat.h>
f6bdafef 50#include <sys/statfs.h>
07800601 51#include <fcntl.h>
e206d556 52#include <stdbool.h>
07800601
IM		 53#include <stddef.h>
54#include <stdlib.h>
55#include <stdarg.h>
56#include <string.h>
57#include <errno.h>
58#include <limits.h>
59#include <sys/param.h>
60#include <sys/types.h>
61#include <dirent.h>
62#include <sys/time.h>
63#include <time.h>
64#include <signal.h>
65#include <fnmatch.h>
66#include <assert.h>
67#include <regex.h>
68#include <utime.h>
07800601
IM		 69#include <sys/wait.h>
70#include <sys/poll.h>
71#include <sys/socket.h>
72#include <sys/ioctl.h>
73#ifndef NO_SYS_SELECT_H
74#include <sys/select.h>
75#endif
76#include <netinet/in.h>
77#include <netinet/tcp.h>
78#include <arpa/inet.h>
79#include <netdb.h>
80#include <pwd.h>
81#include <inttypes.h>
f6bdafef 82#include "../../../include/linux/magic.h"
e206d556 83#include "types.h"
46e3e055 84#include <sys/ttydefaults.h>
1fe2c106 85
07800601
IM		 86#ifndef NO_ICONV
87#include <iconv.h>
88#endif
89
2890284b
ACM		 90extern const char *graph_line;
91extern const char *graph_dotted_line;
45de34bb 92extern char buildid_dir[];
2890284b 93
07800601
IM		 94/* On most systems <limits.h> would have given us this, but
95 * not on some systems (e.g. GNU/Hurd).
96 */
97#ifndef PATH_MAX
98#define PATH_MAX 4096
99#endif
100
101#ifndef PRIuMAX
102#define PRIuMAX "llu"
103#endif
104
105#ifndef PRIu32
106#define PRIu32 "u"
107#endif
108
109#ifndef PRIx32
110#define PRIx32 "x"
111#endif
112
113#ifndef PATH_SEP
114#define PATH_SEP ':'
115#endif
116
117#ifndef STRIP_EXTENSION
118#define STRIP_EXTENSION ""
119#endif
120
121#ifndef has_dos_drive_prefix
122#define has_dos_drive_prefix(path) 0
123#endif
124
125#ifndef is_dir_sep
126#define is_dir_sep(c) ((c) == '/')
127#endif
128
129#ifdef __GNUC__
130#define NORETURN __attribute__((__noreturn__))
131#else
132#define NORETURN
133#ifndef __attribute__
134#define __attribute__(x)
135#endif
136#endif
137
138/* General helper functions */
139extern void usage(const char *err) NORETURN;
140extern void die(const char *err, ...) NORETURN __attribute__((format (printf, 1, 2)));
141extern int error(const char *err, ...) __attribute__((format (printf, 1, 2)));
142extern void warning(const char *err, ...) __attribute__((format (printf, 1, 2)));
143
9769833b
MH		 144#include "../../../include/linux/stringify.h"
145
146#define DIE_IF(cnd) \
147 do { if (cnd) \
148 die(" at (" __FILE__ ":" __stringify(__LINE__) "): " \
149 __stringify(cnd) "\n"); \
150 } while (0)
151
152
07800601
IM		 153extern void set_die_routine(void (*routine)(const char *err, va_list params) NORETURN);
154
155extern int prefixcmp(const char *str, const char *prefix);
45de34bb 156extern void set_buildid_dir(void);
07800601
IM		 157
158static inline const char *skip_prefix(const char *str, const char *prefix)
159{
160 size_t len = strlen(prefix);
161 return strncmp(str, prefix, len) ? NULL : str + len;
162}
163
07800601
IM		 164#ifdef __GLIBC_PREREQ
165#if __GLIBC_PREREQ(2, 1)
166#define HAVE_STRCHRNUL
167#endif
168#endif
169
170#ifndef HAVE_STRCHRNUL
171#define strchrnul gitstrchrnul
172static inline char *gitstrchrnul(const char *s, int c)
173{
174 while (*s && *s != c)
175 s++;
176 return (char *)s;
177}
178#endif
179
6f06ccbc
IM		 180/*
181 * Wrappers:
182 */
183extern char *xstrdup(const char *str);
727dad10 184extern void *xrealloc(void *ptr, size_t size) __attribute__((weak));
16f762a2 185
a1d37d52 186
36479484
ACM		 187static inline void *zalloc(size_t size)
188{
189 return calloc(1, size);
190}
191
07800601
IM		 192static inline int has_extension(const char *filename, const char *ext)
193{
194 size_t len = strlen(filename);
195 size_t extlen = strlen(ext);
a1d37d52 196
07800601
IM		 197 return len > extlen && !memcmp(filename + len - extlen, ext, extlen);
198}
199
200/* Sane ctype - no locale, and works with signed chars */
201#undef isascii
202#undef isspace
203#undef isdigit
9e827dd0 204#undef isxdigit
07800601 205#undef isalpha
5f9c39dc 206#undef isprint
07800601
IM		 207#undef isalnum
208#undef tolower
209#undef toupper
a1d37d52 210
07800601 211extern unsigned char sane_ctype[256];
a73c7d84
PZ		 212#define GIT_SPACE 0x01
213#define GIT_DIGIT 0x02
214#define GIT_ALPHA 0x04
215#define GIT_GLOB_SPECIAL 0x08
216#define GIT_REGEX_SPECIAL 0x10
217#define GIT_PRINT_EXTRA 0x20
218#define GIT_PRINT 0x3E
07800601
IM		 219#define sane_istest(x,mask) ((sane_ctype[(unsigned char)(x)] & (mask)) != 0)
220#define isascii(x) (((x) & ~0x7f) == 0)
221#define isspace(x) sane_istest(x,GIT_SPACE)
222#define isdigit(x) sane_istest(x,GIT_DIGIT)
9e827dd0
FW		 223#define isxdigit(x) \
224 (sane_istest(toupper(x), GIT_ALPHA | GIT_DIGIT) && toupper(x) < 'G')
07800601
IM		 225#define isalpha(x) sane_istest(x,GIT_ALPHA)
226#define isalnum(x) sane_istest(x,GIT_ALPHA | GIT_DIGIT)
a73c7d84 227#define isprint(x) sane_istest(x,GIT_PRINT)
07800601
IM		 228#define tolower(x) sane_case((unsigned char)(x), 0x20)
229#define toupper(x) sane_case((unsigned char)(x), 0)
230
231static inline int sane_case(int x, int high)
232{
233 if (sane_istest(x, GIT_ALPHA))
234 x = (x & ~0x20) | high;
235 return x;
236}
237
07800601
IM		 238#ifndef DIR_HAS_BSD_GROUP_SEMANTICS
239# define FORCE_DIR_SET_GID S_ISGID
240#else
241# define FORCE_DIR_SET_GID 0
242#endif
243
244#ifdef NO_NSEC
245#undef USE_NSEC
246#define ST_CTIME_NSEC(st) 0
247#define ST_MTIME_NSEC(st) 0
248#else
249#ifdef USE_ST_TIMESPEC
250#define ST_CTIME_NSEC(st) ((unsigned int)((st).st_ctimespec.tv_nsec))
251#define ST_MTIME_NSEC(st) ((unsigned int)((st).st_mtimespec.tv_nsec))
252#else
253#define ST_CTIME_NSEC(st) ((unsigned int)((st).st_ctim.tv_nsec))
254#define ST_MTIME_NSEC(st) ((unsigned int)((st).st_mtim.tv_nsec))
255#endif
256#endif
257
4cf40131
ACM		 258int mkdir_p(char *path, mode_t mode);
259int copyfile(const char *from, const char *to);
260
e206d556
ACM		 261s64 perf_atoll(const char *str);
262char **argv_split(const char *str, int *argcp);
263void argv_free(char **argv);
264bool strglobmatch(const char *str, const char *pat);
265bool strlazymatch(const char *str, const char *pat);
c82ee828 266unsigned long convert_unit(unsigned long value, char *unit);
e206d556 267
46e3e055
ACM		 268#ifndef ESC
269#define ESC 27
270#endif
271
272static inline bool is_exit_key(int key)
273{
274 char up;
275 if (key == CTRL('c') || key == ESC)
276 return true;
277 up = toupper(key);
278 return up == 'Q';
279}
280
e206d556
ACM		 281#define _STR(x) #x
282#define STR(x) _STR(x)
283
07800601 284#endif
Linux kernel - Deliverables
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