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1 | /* *INDENT-OFF* */ /* ATTRIBUTE_PRINTF confuses indent, avoid running it |
2 | for now. */ | |
3 | /* I/O, string, cleanup, and other random utilities for GDB. | |
4 | Copyright (C) 1986, 1988-2005, 2007-2012 Free Software Foundation, Inc. | |
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 | ||
24 | #include "cleanups.h" | |
25 | ||
26 | extern void initialize_utils (void); | |
27 | ||
28 | /* String utilities. */ | |
29 | ||
30 | extern int sevenbit_strings; | |
31 | ||
32 | extern char *savestring (const char *, size_t); | |
33 | ||
34 | extern int strcmp_iw (const char *, const char *); | |
35 | ||
36 | extern int strcmp_iw_ordered (const char *, const char *); | |
37 | ||
38 | extern int streq (const char *, const char *); | |
39 | ||
40 | extern int subset_compare (char *, char *); | |
41 | ||
42 | ULONGEST strtoulst (const char *num, const char **trailer, int base); | |
43 | ||
44 | int compare_positive_ints (const void *ap, const void *bp); | |
45 | int compare_strings (const void *ap, const void *bp); | |
46 | ||
47 | /* This is defined in *-hdep.c, e.g., posix-hdep.c. */ | |
48 | extern char *safe_strerror (int); | |
49 | ||
50 | /* A wrapper for bfd_errmsg to produce a more helpful error message | |
51 | in the case of bfd_error_file_ambiguously recognized. | |
52 | MATCHING, if non-NULL, is the corresponding argument to | |
53 | bfd_check_format_matches, and will be freed. */ | |
54 | ||
55 | extern const char *gdb_bfd_errmsg (bfd_error_type error_tag, char **matching); | |
56 | \f | |
57 | /* Parsing utilites. */ | |
58 | ||
59 | extern int parse_pid_to_attach (char *args); | |
60 | ||
61 | extern int parse_escape (struct gdbarch *, char **); | |
62 | ||
63 | char **gdb_buildargv (const char *); | |
64 | \f | |
65 | /* Cleanup utilities. */ | |
66 | ||
67 | extern struct cleanup *make_cleanup_freeargv (char **); | |
68 | ||
69 | struct dyn_string; | |
70 | extern struct cleanup *make_cleanup_dyn_string_delete (struct dyn_string *); | |
71 | ||
72 | struct ui_file; | |
73 | extern struct cleanup *make_cleanup_ui_file_delete (struct ui_file *); | |
74 | ||
75 | struct ui_out; | |
76 | extern struct cleanup * | |
77 | make_cleanup_ui_out_redirect_pop (struct ui_out *uiout); | |
78 | ||
79 | struct section_addr_info; | |
80 | extern struct cleanup *(make_cleanup_free_section_addr_info | |
81 | (struct section_addr_info *)); | |
82 | ||
83 | extern struct cleanup *make_cleanup_close (int fd); | |
84 | ||
85 | extern struct cleanup *make_cleanup_fclose (FILE *file); | |
86 | ||
87 | extern struct cleanup *make_cleanup_bfd_unref (bfd *abfd); | |
88 | ||
89 | struct obstack; | |
90 | extern struct cleanup *make_cleanup_obstack_free (struct obstack *obstack); | |
91 | ||
92 | extern struct cleanup *make_cleanup_restore_integer (int *variable); | |
93 | extern struct cleanup *make_cleanup_restore_uinteger (unsigned int *variable); | |
94 | ||
95 | struct target_ops; | |
96 | extern struct cleanup *make_cleanup_unpush_target (struct target_ops *ops); | |
97 | ||
98 | extern struct cleanup * | |
99 | make_cleanup_restore_ui_file (struct ui_file **variable); | |
100 | ||
101 | extern struct cleanup *make_cleanup_value_free_to_mark (struct value *); | |
102 | extern struct cleanup *make_cleanup_value_free (struct value *); | |
103 | ||
104 | struct so_list; | |
105 | extern struct cleanup *make_cleanup_free_so (struct so_list *so); | |
106 | ||
107 | extern struct cleanup *make_cleanup_htab_delete (htab_t htab); | |
108 | ||
109 | extern void free_current_contents (void *); | |
110 | ||
111 | extern struct cleanup *make_command_stats_cleanup (int); | |
112 | ||
113 | extern void init_page_info (void); | |
114 | ||
115 | extern struct cleanup *make_cleanup_restore_page_info (void); | |
116 | extern struct cleanup * | |
117 | set_batch_flag_and_make_cleanup_restore_page_info (void); | |
118 | ||
119 | extern struct cleanup *make_bpstat_clear_actions_cleanup (void); | |
120 | \f | |
121 | /* Path utilities. */ | |
122 | ||
123 | extern char *gdb_realpath (const char *); | |
124 | ||
125 | extern char *xfullpath (const char *); | |
126 | ||
127 | extern int gdb_filename_fnmatch (const char *pattern, const char *string, | |
128 | int flags); | |
129 | ||
130 | extern void substitute_path_component (char **stringp, const char *from, | |
131 | const char *to); | |
132 | ||
133 | char *ldirname (const char *filename); | |
134 | \f | |
135 | /* GDB output, ui_file utilities. */ | |
136 | ||
137 | struct ui_file; | |
138 | ||
139 | extern void set_display_time (int); | |
140 | ||
141 | extern void set_display_space (int); | |
142 | ||
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 | ||
153 | /* Global ui_file streams. These are all defined in main.c. */ | |
154 | /* Normal results */ | |
155 | extern struct ui_file *gdb_stdout; | |
156 | /* Input stream */ | |
157 | extern struct ui_file *gdb_stdin; | |
158 | /* Serious error notifications */ | |
159 | extern struct ui_file *gdb_stderr; | |
160 | /* Log/debug/trace messages that should bypass normal stdout/stderr | |
161 | filtering. For moment, always call this stream using | |
162 | *_unfiltered. In the very near future that restriction shall be | |
163 | removed - either call shall be unfiltered. (cagney 1999-06-13). */ | |
164 | extern struct ui_file *gdb_stdlog; | |
165 | /* Target output that should bypass normal stdout/stderr filtering. | |
166 | For moment, always call this stream using *_unfiltered. In the | |
167 | very near future that restriction shall be removed - either call | |
168 | shall be unfiltered. (cagney 1999-07-02). */ | |
169 | extern struct ui_file *gdb_stdtarg; | |
170 | extern struct ui_file *gdb_stdtargerr; | |
171 | extern struct ui_file *gdb_stdtargin; | |
172 | ||
173 | /* More generic printf like operations. Filtered versions may return | |
174 | non-locally on error. */ | |
175 | ||
176 | extern void fputs_filtered (const char *, struct ui_file *); | |
177 | ||
178 | extern void fputs_unfiltered (const char *, struct ui_file *); | |
179 | ||
180 | extern int fputc_filtered (int c, struct ui_file *); | |
181 | ||
182 | extern int fputc_unfiltered (int c, struct ui_file *); | |
183 | ||
184 | extern int putchar_filtered (int c); | |
185 | ||
186 | extern int putchar_unfiltered (int c); | |
187 | ||
188 | extern void puts_filtered (const char *); | |
189 | ||
190 | extern void puts_unfiltered (const char *); | |
191 | ||
192 | extern void puts_filtered_tabular (char *string, int width, int right); | |
193 | ||
194 | extern void puts_debug (char *prefix, char *string, char *suffix); | |
195 | ||
196 | extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0); | |
197 | ||
198 | extern void vfprintf_filtered (struct ui_file *, const char *, va_list) | |
199 | ATTRIBUTE_PRINTF (2, 0); | |
200 | ||
201 | extern void fprintf_filtered (struct ui_file *, const char *, ...) | |
202 | ATTRIBUTE_PRINTF (2, 3); | |
203 | ||
204 | extern void fprintfi_filtered (int, struct ui_file *, const char *, ...) | |
205 | ATTRIBUTE_PRINTF (3, 4); | |
206 | ||
207 | extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2); | |
208 | ||
209 | extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3); | |
210 | ||
211 | extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0); | |
212 | ||
213 | extern void vfprintf_unfiltered (struct ui_file *, const char *, va_list) | |
214 | ATTRIBUTE_PRINTF (2, 0); | |
215 | ||
216 | extern void fprintf_unfiltered (struct ui_file *, const char *, ...) | |
217 | ATTRIBUTE_PRINTF (2, 3); | |
218 | ||
219 | extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2); | |
220 | ||
221 | extern void print_spaces (int, struct ui_file *); | |
222 | ||
223 | extern void print_spaces_filtered (int, struct ui_file *); | |
224 | ||
225 | extern char *n_spaces (int); | |
226 | ||
227 | extern void fputstr_filtered (const char *str, int quotr, | |
228 | struct ui_file * stream); | |
229 | ||
230 | extern void fputstr_unfiltered (const char *str, int quotr, | |
231 | struct ui_file * stream); | |
232 | ||
233 | extern void fputstrn_filtered (const char *str, int n, int quotr, | |
234 | struct ui_file * stream); | |
235 | ||
236 | extern void fputstrn_unfiltered (const char *str, int n, int quotr, | |
237 | struct ui_file * stream); | |
238 | ||
239 | /* Display the host ADDR on STREAM formatted as ``0x%x''. */ | |
240 | extern void gdb_print_host_address (const void *addr, struct ui_file *stream); | |
241 | ||
242 | extern const char *host_address_to_string (const void *addr); | |
243 | ||
244 | /* Convert CORE_ADDR to string in platform-specific manner. | |
245 | This is usually formatted similar to 0x%lx. */ | |
246 | extern const char *paddress (struct gdbarch *gdbarch, CORE_ADDR addr); | |
247 | ||
248 | /* Return a string representation in hexadecimal notation of ADDRESS, | |
249 | which is suitable for printing. */ | |
250 | ||
251 | extern const char *print_core_address (struct gdbarch *gdbarch, | |
252 | CORE_ADDR address); | |
253 | ||
254 | /* Callback hash_f and eq_f for htab_create_alloc or htab_create_alloc_ex. */ | |
255 | extern hashval_t core_addr_hash (const void *ap); | |
256 | extern int core_addr_eq (const void *ap, const void *bp); | |
257 | ||
258 | /* %d for LONGEST */ | |
259 | extern char *plongest (LONGEST l); | |
260 | /* %u for ULONGEST */ | |
261 | extern char *pulongest (ULONGEST l); | |
262 | ||
263 | extern char *phex (ULONGEST l, int sizeof_l); | |
264 | extern char *phex_nz (ULONGEST l, int sizeof_l); | |
265 | extern char *int_string (LONGEST, int, int, int, int); | |
266 | ||
267 | /* Convert a CORE_ADDR into a HEX string with leading zeros. | |
268 | The output from core_addr_to_string() can be passed direct to | |
269 | string_to_core_addr(). */ | |
270 | extern const char *core_addr_to_string (const CORE_ADDR addr); | |
271 | extern const char *core_addr_to_string_nz (const CORE_ADDR addr); | |
272 | extern CORE_ADDR string_to_core_addr (const char *my_string); | |
273 | ||
274 | /* Return a string that contains a number formatted as a hex | |
275 | string. */ | |
276 | extern char *hex_string (LONGEST); | |
277 | extern char *hex_string_custom (LONGEST, int); | |
278 | ||
279 | extern void fprintf_symbol_filtered (struct ui_file *, const char *, | |
280 | enum language, int); | |
281 | ||
282 | extern void perror_with_name (const char *) ATTRIBUTE_NORETURN; | |
283 | ||
284 | extern void print_sys_errmsg (const char *, int); | |
285 | \f | |
286 | /* Warnings and error messages. */ | |
287 | ||
288 | extern void (*deprecated_error_begin_hook) (void); | |
289 | ||
290 | /* Message to be printed before the error message, when an error occurs. */ | |
291 | ||
292 | extern char *error_pre_print; | |
293 | ||
294 | /* Message to be printed before the error message, when an error occurs. */ | |
295 | ||
296 | extern char *quit_pre_print; | |
297 | ||
298 | /* Message to be printed before the warning message, when a warning occurs. */ | |
299 | ||
300 | extern char *warning_pre_print; | |
301 | ||
302 | extern void verror (const char *fmt, va_list ap) | |
303 | ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0); | |
304 | ||
305 | extern void error (const char *fmt, ...) | |
306 | ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2); | |
307 | ||
308 | extern void error_stream (struct ui_file *) ATTRIBUTE_NORETURN; | |
309 | ||
310 | extern void vfatal (const char *fmt, va_list ap) | |
311 | ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0); | |
312 | ||
313 | extern void fatal (const char *fmt, ...) | |
314 | ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2); | |
315 | ||
316 | extern void internal_verror (const char *file, int line, const char *, | |
317 | va_list ap) | |
318 | ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (3, 0); | |
319 | ||
320 | extern void internal_vwarning (const char *file, int line, | |
321 | const char *, va_list ap) | |
322 | ATTRIBUTE_PRINTF (3, 0); | |
323 | ||
324 | extern void internal_warning (const char *file, int line, | |
325 | const char *, ...) ATTRIBUTE_PRINTF (3, 4); | |
326 | ||
327 | extern void warning (const char *, ...) ATTRIBUTE_PRINTF (1, 2); | |
328 | ||
329 | extern void vwarning (const char *, va_list args) ATTRIBUTE_PRINTF (1, 0); | |
330 | \f | |
331 | /* Misc. utilities. */ | |
332 | ||
333 | /* Allocation and deallocation functions for the libiberty hash table | |
334 | which use obstacks. */ | |
335 | void *hashtab_obstack_allocate (void *data, size_t size, size_t count); | |
336 | void dummy_obstack_deallocate (void *object, void *data); | |
337 | ||
338 | #ifdef HAVE_WAITPID | |
339 | extern pid_t wait_to_die_with_timeout (pid_t pid, int *status, int timeout); | |
340 | #endif | |
341 | ||
342 | extern int producer_is_gcc_ge_4 (const char *producer); | |
343 | ||
344 | extern unsigned long gnu_debuglink_crc32 (unsigned long crc, | |
345 | unsigned char *buf, size_t len); | |
346 | ||
347 | extern int myread (int, char *, int); | |
348 | ||
349 | /* Ensure that V is aligned to an N byte boundary (B's assumed to be a | |
350 | power of 2). Round up/down when necessary. Examples of correct | |
351 | use include: | |
352 | ||
353 | addr = align_up (addr, 8); -- VALUE needs 8 byte alignment | |
354 | write_memory (addr, value, len); | |
355 | addr += len; | |
356 | ||
357 | and: | |
358 | ||
359 | sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned | |
360 | write_memory (sp, value, len); | |
361 | ||
362 | Note that uses such as: | |
363 | ||
364 | write_memory (addr, value, len); | |
365 | addr += align_up (len, 8); | |
366 | ||
367 | and: | |
368 | ||
369 | sp -= align_up (len, 8); | |
370 | write_memory (sp, value, len); | |
371 | ||
372 | are typically not correct as they don't ensure that the address (SP | |
373 | or ADDR) is correctly aligned (relying on previous alignment to | |
374 | keep things right). This is also why the methods are called | |
375 | "align_..." instead of "round_..." as the latter reads better with | |
376 | this incorrect coding style. */ | |
377 | ||
378 | extern ULONGEST align_up (ULONGEST v, int n); | |
379 | extern ULONGEST align_down (ULONGEST v, int n); | |
380 | ||
381 | #endif /* UTILS_H */ |