1 /* *INDENT-OFF* */ /* ATTRIBUTE_PRINTF confuses indent, avoid running it
3 /* I/O, string, cleanup, and other random utilities for GDB.
4 Copyright (C) 1986-2013 Free Software Foundation, Inc.
6 This file is part of GDB.
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.
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.
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/>. */
25 #include "exceptions.h"
27 extern void initialize_utils (void);
29 /* String utilities. */
31 extern int sevenbit_strings;
33 extern char *savestring (const char *, size_t);
35 extern int strcmp_iw (const char *, const char *);
37 extern int strcmp_iw_ordered (const char *, const char *);
39 extern int streq (const char *, const char *);
41 extern int subset_compare (char *, char *);
43 ULONGEST strtoulst (const char *num, const char **trailer, int base);
45 int compare_positive_ints (const void *ap, const void *bp);
46 int compare_strings (const void *ap, const void *bp);
48 /* This is defined in *-hdep.c, e.g., posix-hdep.c. */
49 extern char *safe_strerror (int);
51 /* A wrapper for bfd_errmsg to produce a more helpful error message
52 in the case of bfd_error_file_ambiguously recognized.
53 MATCHING, if non-NULL, is the corresponding argument to
54 bfd_check_format_matches, and will be freed. */
56 extern const char *gdb_bfd_errmsg (bfd_error_type error_tag, char **matching);
58 /* Reset the prompt_for_continue clock. */
59 void reset_prompt_for_continue_wait_time (void);
60 /* Return the time spent in prompt_for_continue. */
61 struct timeval get_prompt_for_continue_wait_time (void);
63 /* Parsing utilites. */
65 extern int parse_pid_to_attach (char *args);
67 extern int parse_escape (struct gdbarch *, char **);
69 char **gdb_buildargv (const char *);
71 /* Cleanup utilities. */
73 extern struct cleanup *make_cleanup_freeargv (char **);
76 extern struct cleanup *make_cleanup_dyn_string_delete (struct dyn_string *);
79 extern struct cleanup *make_cleanup_ui_file_delete (struct ui_file *);
82 extern struct cleanup *
83 make_cleanup_ui_out_redirect_pop (struct ui_out *uiout);
85 struct section_addr_info;
86 extern struct cleanup *(make_cleanup_free_section_addr_info
87 (struct section_addr_info *));
89 extern struct cleanup *make_cleanup_close (int fd);
91 extern struct cleanup *make_cleanup_fclose (FILE *file);
93 extern struct cleanup *make_cleanup_bfd_unref (bfd *abfd);
96 extern struct cleanup *make_cleanup_obstack_free (struct obstack *obstack);
98 extern struct cleanup *make_cleanup_restore_integer (int *variable);
99 extern struct cleanup *make_cleanup_restore_uinteger (unsigned int *variable);
102 extern struct cleanup *make_cleanup_unpush_target (struct target_ops *ops);
104 extern struct cleanup *
105 make_cleanup_restore_ui_file (struct ui_file **variable);
107 extern struct cleanup *make_cleanup_value_free_to_mark (struct value *);
108 extern struct cleanup *make_cleanup_value_free (struct value *);
111 extern struct cleanup *make_cleanup_free_so (struct so_list *so);
113 extern struct cleanup *make_cleanup_restore_current_language (void);
115 extern struct cleanup *make_cleanup_htab_delete (htab_t htab);
117 extern void free_current_contents (void *);
119 extern void init_page_info (void);
121 extern struct cleanup *make_cleanup_restore_page_info (void);
122 extern struct cleanup *
123 set_batch_flag_and_make_cleanup_restore_page_info (void);
125 extern struct cleanup *make_bpstat_clear_actions_cleanup (void);
127 /* Path utilities. */
129 extern char *gdb_realpath (const char *);
131 extern int gdb_filename_fnmatch (const char *pattern, const char *string,
134 extern void substitute_path_component (char **stringp, const char *from,
137 char *ldirname (const char *filename);
139 /* GDB output, ui_file utilities. */
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);
147 extern void begin_line (void);
149 extern void wrap_here (char *);
151 extern void reinitialize_more_filter (void);
153 extern int pagination_enabled;
155 /* Global ui_file streams. These are all defined in main.c. */
157 extern struct ui_file *gdb_stdout;
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;
175 /* More generic printf like operations. Filtered versions may return
176 non-locally on error. */
178 extern void fputs_filtered (const char *, struct ui_file *);
180 extern void fputs_unfiltered (const char *, struct ui_file *);
182 extern int fputc_filtered (int c, struct ui_file *);
184 extern int fputc_unfiltered (int c, struct ui_file *);
186 extern int putchar_filtered (int c);
188 extern int putchar_unfiltered (int c);
190 extern void puts_filtered (const char *);
192 extern void puts_unfiltered (const char *);
194 extern void puts_filtered_tabular (char *string, int width, int right);
196 extern void puts_debug (char *prefix, char *string, char *suffix);
198 extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
200 extern void vfprintf_filtered (struct ui_file *, const char *, va_list)
201 ATTRIBUTE_PRINTF (2, 0);
203 extern void fprintf_filtered (struct ui_file *, const char *, ...)
204 ATTRIBUTE_PRINTF (2, 3);
206 extern void fprintfi_filtered (int, struct ui_file *, const char *, ...)
207 ATTRIBUTE_PRINTF (3, 4);
209 extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
211 extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
213 extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
215 extern void vfprintf_unfiltered (struct ui_file *, const char *, va_list)
216 ATTRIBUTE_PRINTF (2, 0);
218 extern void fprintf_unfiltered (struct ui_file *, const char *, ...)
219 ATTRIBUTE_PRINTF (2, 3);
221 extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
223 extern void print_spaces (int, struct ui_file *);
225 extern void print_spaces_filtered (int, struct ui_file *);
227 extern char *n_spaces (int);
229 extern void fputstr_filtered (const char *str, int quotr,
230 struct ui_file * stream);
232 extern void fputstr_unfiltered (const char *str, int quotr,
233 struct ui_file * stream);
235 extern void fputstrn_filtered (const char *str, int n, int quotr,
236 struct ui_file * stream);
238 extern void fputstrn_unfiltered (const char *str, int n, int quotr,
239 struct ui_file * stream);
241 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
242 extern void gdb_print_host_address (const void *addr, struct ui_file *stream);
244 extern const char *host_address_to_string (const void *addr);
246 /* Convert CORE_ADDR to string in platform-specific manner.
247 This is usually formatted similar to 0x%lx. */
248 extern const char *paddress (struct gdbarch *gdbarch, CORE_ADDR addr);
250 /* Return a string representation in hexadecimal notation of ADDRESS,
251 which is suitable for printing. */
253 extern const char *print_core_address (struct gdbarch *gdbarch,
256 /* Callback hash_f and eq_f for htab_create_alloc or htab_create_alloc_ex. */
257 extern hashval_t core_addr_hash (const void *ap);
258 extern int core_addr_eq (const void *ap, const void *bp);
261 extern char *plongest (LONGEST l);
262 /* %u for ULONGEST */
263 extern char *pulongest (ULONGEST l);
265 extern char *phex (ULONGEST l, int sizeof_l);
266 extern char *phex_nz (ULONGEST l, int sizeof_l);
267 extern char *int_string (LONGEST, int, int, int, int);
269 /* Convert a CORE_ADDR into a HEX string with leading zeros.
270 The output from core_addr_to_string() can be passed direct to
271 string_to_core_addr(). */
272 extern const char *core_addr_to_string (const CORE_ADDR addr);
273 extern const char *core_addr_to_string_nz (const CORE_ADDR addr);
274 extern CORE_ADDR string_to_core_addr (const char *my_string);
276 /* Return a string that contains a number formatted as a hex
278 extern char *hex_string (LONGEST);
279 extern char *hex_string_custom (LONGEST, int);
281 extern void fprintf_symbol_filtered (struct ui_file *, const char *,
284 extern void throw_perror_with_name (enum errors errcode, const char *string)
286 extern void perror_with_name (const char *) ATTRIBUTE_NORETURN;
288 extern void print_sys_errmsg (const char *, int);
290 /* Warnings and error messages. */
292 extern void (*deprecated_error_begin_hook) (void);
294 /* Message to be printed before the error message, when an error occurs. */
296 extern char *error_pre_print;
298 /* Message to be printed before the error message, when an error occurs. */
300 extern char *quit_pre_print;
302 /* Message to be printed before the warning message, when a warning occurs. */
304 extern char *warning_pre_print;
306 extern void verror (const char *fmt, va_list ap)
307 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);
309 extern void error (const char *fmt, ...)
310 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
312 extern void error_stream (struct ui_file *) ATTRIBUTE_NORETURN;
314 extern void vfatal (const char *fmt, va_list ap)
315 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);
317 extern void fatal (const char *fmt, ...)
318 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
320 extern void internal_verror (const char *file, int line, const char *,
322 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (3, 0);
324 extern void internal_vwarning (const char *file, int line,
325 const char *, va_list ap)
326 ATTRIBUTE_PRINTF (3, 0);
328 extern void internal_warning (const char *file, int line,
329 const char *, ...) ATTRIBUTE_PRINTF (3, 4);
331 extern void warning (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
333 extern void vwarning (const char *, va_list args) ATTRIBUTE_PRINTF (1, 0);
335 /* Misc. utilities. */
337 /* Allocation and deallocation functions for the libiberty hash table
338 which use obstacks. */
339 void *hashtab_obstack_allocate (void *data, size_t size, size_t count);
340 void dummy_obstack_deallocate (void *object, void *data);
343 extern pid_t wait_to_die_with_timeout (pid_t pid, int *status, int timeout);
346 extern int producer_is_gcc_ge_4 (const char *producer);
348 extern int myread (int, char *, int);
350 /* Ensure that V is aligned to an N byte boundary (B's assumed to be a
351 power of 2). Round up/down when necessary. Examples of correct
354 addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
355 write_memory (addr, value, len);
360 sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
361 write_memory (sp, value, len);
363 Note that uses such as:
365 write_memory (addr, value, len);
366 addr += align_up (len, 8);
370 sp -= align_up (len, 8);
371 write_memory (sp, value, len);
373 are typically not correct as they don't ensure that the address (SP
374 or ADDR) is correctly aligned (relying on previous alignment to
375 keep things right). This is also why the methods are called
376 "align_..." instead of "round_..." as the latter reads better with
377 this incorrect coding style. */
379 extern ULONGEST align_up (ULONGEST v, int n);
380 extern ULONGEST align_down (ULONGEST v, int n);
382 /* Sign extend VALUE. BIT is the (1-based) index of the bit in VALUE
385 extern LONGEST gdb_sign_extend (LONGEST value, int bit);