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48faced0 DE |
1 | /* *INDENT-OFF* */ /* ATTRIBUTE_PRINTF confuses indent, avoid running it |
2 | for now. */ | |
3 | /* I/O, string, cleanup, and other random utilities for GDB. | |
32d0add0 | 4 | Copyright (C) 1986-2015 Free Software Foundation, Inc. |
48faced0 DE |
5 | |
6 | This file is part of GDB. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 3 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
20 | ||
21 | #ifndef UTILS_H | |
22 | #define UTILS_H | |
23 | ||
af880d85 | 24 | #include "exceptions.h" |
48faced0 DE |
25 | |
26 | extern void initialize_utils (void); | |
27 | ||
28 | /* String utilities. */ | |
29 | ||
30 | extern int sevenbit_strings; | |
31 | ||
48faced0 DE |
32 | extern int strcmp_iw (const char *, const char *); |
33 | ||
34 | extern int strcmp_iw_ordered (const char *, const char *); | |
35 | ||
36 | extern int streq (const char *, const char *); | |
37 | ||
38 | extern int subset_compare (char *, char *); | |
39 | ||
48faced0 DE |
40 | int compare_positive_ints (const void *ap, const void *bp); |
41 | int compare_strings (const void *ap, const void *bp); | |
42 | ||
48faced0 DE |
43 | /* A wrapper for bfd_errmsg to produce a more helpful error message |
44 | in the case of bfd_error_file_ambiguously recognized. | |
45 | MATCHING, if non-NULL, is the corresponding argument to | |
46 | bfd_check_format_matches, and will be freed. */ | |
47 | ||
48 | extern const char *gdb_bfd_errmsg (bfd_error_type error_tag, char **matching); | |
bd712aed DE |
49 | |
50 | /* Reset the prompt_for_continue clock. */ | |
51 | void reset_prompt_for_continue_wait_time (void); | |
52 | /* Return the time spent in prompt_for_continue. */ | |
53 | struct timeval get_prompt_for_continue_wait_time (void); | |
48faced0 DE |
54 | \f |
55 | /* Parsing utilites. */ | |
56 | ||
c0939df1 | 57 | extern int parse_pid_to_attach (const char *args); |
48faced0 | 58 | |
d7561cbb | 59 | extern int parse_escape (struct gdbarch *, const char **); |
48faced0 DE |
60 | |
61 | char **gdb_buildargv (const char *); | |
62 | \f | |
63 | /* Cleanup utilities. */ | |
64 | ||
65 | extern struct cleanup *make_cleanup_freeargv (char **); | |
66 | ||
67 | struct dyn_string; | |
68 | extern struct cleanup *make_cleanup_dyn_string_delete (struct dyn_string *); | |
69 | ||
70 | struct ui_file; | |
71 | extern struct cleanup *make_cleanup_ui_file_delete (struct ui_file *); | |
72 | ||
73 | struct ui_out; | |
74 | extern struct cleanup * | |
75 | make_cleanup_ui_out_redirect_pop (struct ui_out *uiout); | |
76 | ||
77 | struct section_addr_info; | |
78 | extern struct cleanup *(make_cleanup_free_section_addr_info | |
79 | (struct section_addr_info *)); | |
80 | ||
ca095836 | 81 | /* For make_cleanup_close see common/filestuff.h. */ |
48faced0 DE |
82 | |
83 | extern struct cleanup *make_cleanup_fclose (FILE *file); | |
84 | ||
85 | extern struct cleanup *make_cleanup_bfd_unref (bfd *abfd); | |
86 | ||
87 | struct obstack; | |
88 | extern struct cleanup *make_cleanup_obstack_free (struct obstack *obstack); | |
89 | ||
90 | extern struct cleanup *make_cleanup_restore_integer (int *variable); | |
91 | extern struct cleanup *make_cleanup_restore_uinteger (unsigned int *variable); | |
92 | ||
93 | struct target_ops; | |
94 | extern struct cleanup *make_cleanup_unpush_target (struct target_ops *ops); | |
95 | ||
96 | extern struct cleanup * | |
97 | make_cleanup_restore_ui_file (struct ui_file **variable); | |
98 | ||
99 | extern struct cleanup *make_cleanup_value_free_to_mark (struct value *); | |
100 | extern struct cleanup *make_cleanup_value_free (struct value *); | |
101 | ||
102 | struct so_list; | |
103 | extern struct cleanup *make_cleanup_free_so (struct so_list *so); | |
104 | ||
5b12a61c JK |
105 | extern struct cleanup *make_cleanup_restore_current_language (void); |
106 | ||
48faced0 DE |
107 | extern struct cleanup *make_cleanup_htab_delete (htab_t htab); |
108 | ||
410a0ff2 SDJ |
109 | struct parser_state; |
110 | extern struct cleanup *make_cleanup_clear_parser_state | |
111 | (struct parser_state **p); | |
112 | ||
48faced0 DE |
113 | extern void free_current_contents (void *); |
114 | ||
48faced0 DE |
115 | extern void init_page_info (void); |
116 | ||
117 | extern struct cleanup *make_cleanup_restore_page_info (void); | |
118 | extern struct cleanup * | |
119 | set_batch_flag_and_make_cleanup_restore_page_info (void); | |
120 | ||
121 | extern struct cleanup *make_bpstat_clear_actions_cleanup (void); | |
122 | \f | |
123 | /* Path utilities. */ | |
124 | ||
125 | extern char *gdb_realpath (const char *); | |
126 | ||
4856b6bc JK |
127 | extern char *gdb_realpath_keepfile (const char *); |
128 | ||
04affae3 JK |
129 | extern char *gdb_abspath (const char *); |
130 | ||
48faced0 DE |
131 | extern int gdb_filename_fnmatch (const char *pattern, const char *string, |
132 | int flags); | |
133 | ||
134 | extern void substitute_path_component (char **stringp, const char *from, | |
135 | const char *to); | |
136 | ||
137 | char *ldirname (const char *filename); | |
138 | \f | |
139 | /* GDB output, ui_file utilities. */ | |
140 | ||
141 | struct ui_file; | |
142 | ||
48faced0 DE |
143 | extern int query (const char *, ...) ATTRIBUTE_PRINTF (1, 2); |
144 | extern int nquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2); | |
145 | extern int yquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2); | |
146 | ||
147 | extern void begin_line (void); | |
148 | ||
149 | extern void wrap_here (char *); | |
150 | ||
151 | extern void reinitialize_more_filter (void); | |
152 | ||
74da6f00 PA |
153 | extern int pagination_enabled; |
154 | ||
48faced0 DE |
155 | /* Global ui_file streams. These are all defined in main.c. */ |
156 | /* Normal results */ | |
157 | extern struct ui_file *gdb_stdout; | |
158 | /* Input stream */ | |
159 | extern struct ui_file *gdb_stdin; | |
160 | /* Serious error notifications */ | |
161 | extern struct ui_file *gdb_stderr; | |
162 | /* Log/debug/trace messages that should bypass normal stdout/stderr | |
163 | filtering. For moment, always call this stream using | |
164 | *_unfiltered. In the very near future that restriction shall be | |
165 | removed - either call shall be unfiltered. (cagney 1999-06-13). */ | |
166 | extern struct ui_file *gdb_stdlog; | |
167 | /* Target output that should bypass normal stdout/stderr filtering. | |
168 | For moment, always call this stream using *_unfiltered. In the | |
169 | very near future that restriction shall be removed - either call | |
170 | shall be unfiltered. (cagney 1999-07-02). */ | |
171 | extern struct ui_file *gdb_stdtarg; | |
172 | extern struct ui_file *gdb_stdtargerr; | |
173 | extern struct ui_file *gdb_stdtargin; | |
174 | ||
d6e5e7f7 PP |
175 | /* Set the screen dimensions to WIDTH and HEIGHT. */ |
176 | ||
177 | extern void set_screen_width_and_height (int width, int height); | |
178 | ||
48faced0 DE |
179 | /* More generic printf like operations. Filtered versions may return |
180 | non-locally on error. */ | |
181 | ||
182 | extern void fputs_filtered (const char *, struct ui_file *); | |
183 | ||
184 | extern void fputs_unfiltered (const char *, struct ui_file *); | |
185 | ||
186 | extern int fputc_filtered (int c, struct ui_file *); | |
187 | ||
188 | extern int fputc_unfiltered (int c, struct ui_file *); | |
189 | ||
190 | extern int putchar_filtered (int c); | |
191 | ||
192 | extern int putchar_unfiltered (int c); | |
193 | ||
194 | extern void puts_filtered (const char *); | |
195 | ||
196 | extern void puts_unfiltered (const char *); | |
197 | ||
198 | extern void puts_filtered_tabular (char *string, int width, int right); | |
199 | ||
200 | extern void puts_debug (char *prefix, char *string, char *suffix); | |
201 | ||
202 | extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0); | |
203 | ||
204 | extern void vfprintf_filtered (struct ui_file *, const char *, va_list) | |
205 | ATTRIBUTE_PRINTF (2, 0); | |
206 | ||
207 | extern void fprintf_filtered (struct ui_file *, const char *, ...) | |
208 | ATTRIBUTE_PRINTF (2, 3); | |
209 | ||
210 | extern void fprintfi_filtered (int, struct ui_file *, const char *, ...) | |
211 | ATTRIBUTE_PRINTF (3, 4); | |
212 | ||
213 | extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2); | |
214 | ||
215 | extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3); | |
216 | ||
217 | extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0); | |
218 | ||
219 | extern void vfprintf_unfiltered (struct ui_file *, const char *, va_list) | |
220 | ATTRIBUTE_PRINTF (2, 0); | |
221 | ||
222 | extern void fprintf_unfiltered (struct ui_file *, const char *, ...) | |
223 | ATTRIBUTE_PRINTF (2, 3); | |
224 | ||
225 | extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2); | |
226 | ||
227 | extern void print_spaces (int, struct ui_file *); | |
228 | ||
229 | extern void print_spaces_filtered (int, struct ui_file *); | |
230 | ||
231 | extern char *n_spaces (int); | |
232 | ||
233 | extern void fputstr_filtered (const char *str, int quotr, | |
234 | struct ui_file * stream); | |
235 | ||
236 | extern void fputstr_unfiltered (const char *str, int quotr, | |
237 | struct ui_file * stream); | |
238 | ||
239 | extern void fputstrn_filtered (const char *str, int n, int quotr, | |
240 | struct ui_file * stream); | |
241 | ||
242 | extern void fputstrn_unfiltered (const char *str, int n, int quotr, | |
243 | struct ui_file * stream); | |
244 | ||
2437fd32 GB |
245 | /* Return nonzero if filtered printing is initialized. */ |
246 | extern int filtered_printing_initialized (void); | |
247 | ||
48faced0 DE |
248 | /* Display the host ADDR on STREAM formatted as ``0x%x''. */ |
249 | extern void gdb_print_host_address (const void *addr, struct ui_file *stream); | |
250 | ||
48faced0 DE |
251 | /* Convert CORE_ADDR to string in platform-specific manner. |
252 | This is usually formatted similar to 0x%lx. */ | |
253 | extern const char *paddress (struct gdbarch *gdbarch, CORE_ADDR addr); | |
254 | ||
255 | /* Return a string representation in hexadecimal notation of ADDRESS, | |
256 | which is suitable for printing. */ | |
257 | ||
258 | extern const char *print_core_address (struct gdbarch *gdbarch, | |
259 | CORE_ADDR address); | |
260 | ||
261 | /* Callback hash_f and eq_f for htab_create_alloc or htab_create_alloc_ex. */ | |
262 | extern hashval_t core_addr_hash (const void *ap); | |
263 | extern int core_addr_eq (const void *ap, const void *bp); | |
264 | ||
48faced0 DE |
265 | extern CORE_ADDR string_to_core_addr (const char *my_string); |
266 | ||
48faced0 DE |
267 | extern void fprintf_symbol_filtered (struct ui_file *, const char *, |
268 | enum language, int); | |
269 | ||
598d3636 JK |
270 | extern void throw_perror_with_name (enum errors errcode, const char *string) |
271 | ATTRIBUTE_NORETURN; | |
48faced0 | 272 | |
7c647d61 JB |
273 | extern void perror_warning_with_name (const char *string); |
274 | ||
48faced0 DE |
275 | extern void print_sys_errmsg (const char *, int); |
276 | \f | |
277 | /* Warnings and error messages. */ | |
278 | ||
279 | extern void (*deprecated_error_begin_hook) (void); | |
280 | ||
48faced0 DE |
281 | /* Message to be printed before the warning message, when a warning occurs. */ |
282 | ||
283 | extern char *warning_pre_print; | |
284 | ||
48faced0 DE |
285 | extern void error_stream (struct ui_file *) ATTRIBUTE_NORETURN; |
286 | ||
57fcfb1b GB |
287 | extern void demangler_vwarning (const char *file, int line, |
288 | const char *, va_list ap) | |
289 | ATTRIBUTE_PRINTF (3, 0); | |
290 | ||
291 | extern void demangler_warning (const char *file, int line, | |
292 | const char *, ...) ATTRIBUTE_PRINTF (3, 4); | |
293 | ||
48faced0 DE |
294 | \f |
295 | /* Misc. utilities. */ | |
296 | ||
297 | /* Allocation and deallocation functions for the libiberty hash table | |
298 | which use obstacks. */ | |
299 | void *hashtab_obstack_allocate (void *data, size_t size, size_t count); | |
300 | void dummy_obstack_deallocate (void *object, void *data); | |
301 | ||
302 | #ifdef HAVE_WAITPID | |
303 | extern pid_t wait_to_die_with_timeout (pid_t pid, int *status, int timeout); | |
304 | #endif | |
305 | ||
306 | extern int producer_is_gcc_ge_4 (const char *producer); | |
cc7039d3 | 307 | extern int producer_is_gcc (const char *producer, int *major, int *minor); |
48faced0 | 308 | |
48faced0 DE |
309 | extern int myread (int, char *, int); |
310 | ||
311 | /* Ensure that V is aligned to an N byte boundary (B's assumed to be a | |
312 | power of 2). Round up/down when necessary. Examples of correct | |
313 | use include: | |
314 | ||
315 | addr = align_up (addr, 8); -- VALUE needs 8 byte alignment | |
316 | write_memory (addr, value, len); | |
317 | addr += len; | |
318 | ||
319 | and: | |
320 | ||
321 | sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned | |
322 | write_memory (sp, value, len); | |
323 | ||
324 | Note that uses such as: | |
325 | ||
326 | write_memory (addr, value, len); | |
327 | addr += align_up (len, 8); | |
328 | ||
329 | and: | |
330 | ||
331 | sp -= align_up (len, 8); | |
332 | write_memory (sp, value, len); | |
333 | ||
334 | are typically not correct as they don't ensure that the address (SP | |
335 | or ADDR) is correctly aligned (relying on previous alignment to | |
336 | keep things right). This is also why the methods are called | |
337 | "align_..." instead of "round_..." as the latter reads better with | |
338 | this incorrect coding style. */ | |
339 | ||
340 | extern ULONGEST align_up (ULONGEST v, int n); | |
341 | extern ULONGEST align_down (ULONGEST v, int n); | |
342 | ||
eae7090b GB |
343 | /* Resource limits used by getrlimit and setrlimit. */ |
344 | ||
345 | enum resource_limit_kind | |
346 | { | |
347 | LIMIT_CUR, | |
348 | LIMIT_MAX | |
349 | }; | |
350 | ||
351 | /* Check whether GDB will be able to dump core using the dump_core | |
352 | function. Returns zero if GDB cannot or should not dump core. | |
353 | If LIMIT_KIND is LIMIT_CUR the user's soft limit will be respected. | |
354 | If LIMIT_KIND is LIMIT_MAX only the hard limit will be respected. */ | |
355 | ||
356 | extern int can_dump_core (enum resource_limit_kind limit_kind); | |
357 | ||
358 | /* Print a warning that we cannot dump core. */ | |
359 | ||
360 | extern void warn_cant_dump_core (const char *reason); | |
361 | ||
362 | /* Dump core trying to increase the core soft limit to hard limit | |
363 | first. */ | |
364 | ||
365 | extern void dump_core (void); | |
366 | ||
7c50a931 DE |
367 | /* Return the hex string form of LENGTH bytes of DATA. |
368 | Space for the result is malloc'd, caller must free. */ | |
369 | ||
370 | extern char *make_hex_string (const gdb_byte *data, size_t length); | |
371 | ||
48faced0 | 372 | #endif /* UTILS_H */ |