[deliverable/binutils-gdb.git] / gdb / utils.h

/* *INDENT-OFF* */ /* ATTRIBUTE_PRINTF confuses indent, avoid running it
		      for now.  */
/* I/O, string, cleanup, and other random utilities for GDB.
   Copyright (C) 1986-2013 Free Software Foundation, Inc.

   This file is part of GDB.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

#ifndef UTILS_H
#define UTILS_H

#include "cleanups.h"
#include "exceptions.h"

extern void initialize_utils (void);

/* String utilities.  */

extern int sevenbit_strings;

extern char *savestring (const char *, size_t);

extern int strcmp_iw (const char *, const char *);

extern int strcmp_iw_ordered (const char *, const char *);

extern int streq (const char *, const char *);

extern int subset_compare (char *, char *);

ULONGEST strtoulst (const char *num, const char **trailer, int base);

int compare_positive_ints (const void *ap, const void *bp);
int compare_strings (const void *ap, const void *bp);

/* This is defined in *-hdep.c, e.g., posix-hdep.c.  */
extern char *safe_strerror (int);

/* A wrapper for bfd_errmsg to produce a more helpful error message
   in the case of bfd_error_file_ambiguously recognized.
   MATCHING, if non-NULL, is the corresponding argument to
   bfd_check_format_matches, and will be freed.  */

extern const char *gdb_bfd_errmsg (bfd_error_type error_tag, char **matching);

/* Reset the prompt_for_continue clock.  */
void reset_prompt_for_continue_wait_time (void);
/* Return the time spent in prompt_for_continue.  */
struct timeval get_prompt_for_continue_wait_time (void);
\f
/* Parsing utilites.  */

extern int parse_pid_to_attach (char *args);

extern int parse_escape (struct gdbarch *, const char **);

char **gdb_buildargv (const char *);
\f
/* Cleanup utilities.  */

extern struct cleanup *make_cleanup_freeargv (char **);

struct dyn_string;
extern struct cleanup *make_cleanup_dyn_string_delete (struct dyn_string *);

struct ui_file;
extern struct cleanup *make_cleanup_ui_file_delete (struct ui_file *);

struct ui_out;
extern struct cleanup *
  make_cleanup_ui_out_redirect_pop (struct ui_out *uiout);

struct section_addr_info;
extern struct cleanup *(make_cleanup_free_section_addr_info 
                        (struct section_addr_info *));

extern struct cleanup *make_cleanup_close (int fd);

extern struct cleanup *make_cleanup_fclose (FILE *file);

extern struct cleanup *make_cleanup_bfd_unref (bfd *abfd);

struct obstack;
extern struct cleanup *make_cleanup_obstack_free (struct obstack *obstack);

extern struct cleanup *make_cleanup_restore_integer (int *variable);
extern struct cleanup *make_cleanup_restore_uinteger (unsigned int *variable);

struct target_ops;
extern struct cleanup *make_cleanup_unpush_target (struct target_ops *ops);

extern struct cleanup *
  make_cleanup_restore_ui_file (struct ui_file **variable);

extern struct cleanup *make_cleanup_value_free_to_mark (struct value *);
extern struct cleanup *make_cleanup_value_free (struct value *);

struct so_list;
extern struct cleanup *make_cleanup_free_so (struct so_list *so);

extern struct cleanup *make_cleanup_restore_current_language (void);

extern struct cleanup *make_cleanup_htab_delete (htab_t htab);

extern void free_current_contents (void *);

extern void init_page_info (void);

extern struct cleanup *make_cleanup_restore_page_info (void);
extern struct cleanup *
  set_batch_flag_and_make_cleanup_restore_page_info (void);

extern struct cleanup *make_bpstat_clear_actions_cleanup (void);
\f
/* Path utilities.  */

extern char *gdb_realpath (const char *);

extern char *gdb_realpath_keepfile (const char *);

extern int gdb_filename_fnmatch (const char *pattern, const char *string,
				 int flags);

extern void substitute_path_component (char **stringp, const char *from,
				       const char *to);

char *ldirname (const char *filename);
\f
/* GDB output, ui_file utilities.  */

struct ui_file;

extern int query (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
extern int nquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
extern int yquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);

extern void begin_line (void);

extern void wrap_here (char *);

extern void reinitialize_more_filter (void);

extern int pagination_enabled;

/* Global ui_file streams.  These are all defined in main.c.  */
/* Normal results */
extern struct ui_file *gdb_stdout;
/* Input stream */
extern struct ui_file *gdb_stdin;
/* Serious error notifications */
extern struct ui_file *gdb_stderr;
/* Log/debug/trace messages that should bypass normal stdout/stderr
   filtering.  For moment, always call this stream using
   *_unfiltered.  In the very near future that restriction shall be
   removed - either call shall be unfiltered.  (cagney 1999-06-13).  */
extern struct ui_file *gdb_stdlog;
/* Target output that should bypass normal stdout/stderr filtering.
   For moment, always call this stream using *_unfiltered.  In the
   very near future that restriction shall be removed - either call
   shall be unfiltered.  (cagney 1999-07-02).  */
extern struct ui_file *gdb_stdtarg;
extern struct ui_file *gdb_stdtargerr;
extern struct ui_file *gdb_stdtargin;

/* More generic printf like operations.  Filtered versions may return
   non-locally on error.  */

extern void fputs_filtered (const char *, struct ui_file *);

extern void fputs_unfiltered (const char *, struct ui_file *);

extern int fputc_filtered (int c, struct ui_file *);

extern int fputc_unfiltered (int c, struct ui_file *);

extern int putchar_filtered (int c);

extern int putchar_unfiltered (int c);

extern void puts_filtered (const char *);

extern void puts_unfiltered (const char *);

extern void puts_filtered_tabular (char *string, int width, int right);

extern void puts_debug (char *prefix, char *string, char *suffix);

extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);

extern void vfprintf_filtered (struct ui_file *, const char *, va_list)
  ATTRIBUTE_PRINTF (2, 0);

extern void fprintf_filtered (struct ui_file *, const char *, ...)
  ATTRIBUTE_PRINTF (2, 3);

extern void fprintfi_filtered (int, struct ui_file *, const char *, ...)
  ATTRIBUTE_PRINTF (3, 4);

extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);

extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);

extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);

extern void vfprintf_unfiltered (struct ui_file *, const char *, va_list)
  ATTRIBUTE_PRINTF (2, 0);

extern void fprintf_unfiltered (struct ui_file *, const char *, ...)
  ATTRIBUTE_PRINTF (2, 3);

extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);

extern void print_spaces (int, struct ui_file *);

extern void print_spaces_filtered (int, struct ui_file *);

extern char *n_spaces (int);

extern void fputstr_filtered (const char *str, int quotr,
			      struct ui_file * stream);

extern void fputstr_unfiltered (const char *str, int quotr,
				struct ui_file * stream);

extern void fputstrn_filtered (const char *str, int n, int quotr,
			       struct ui_file * stream);

extern void fputstrn_unfiltered (const char *str, int n, int quotr,
				 struct ui_file * stream);

/* Display the host ADDR on STREAM formatted as ``0x%x''.  */
extern void gdb_print_host_address (const void *addr, struct ui_file *stream);

extern const char *host_address_to_string (const void *addr);

/* Convert CORE_ADDR to string in platform-specific manner.
   This is usually formatted similar to 0x%lx.  */
extern const char *paddress (struct gdbarch *gdbarch, CORE_ADDR addr);

/* Return a string representation in hexadecimal notation of ADDRESS,
   which is suitable for printing.  */

extern const char *print_core_address (struct gdbarch *gdbarch,
				       CORE_ADDR address);

/* Callback hash_f and eq_f for htab_create_alloc or htab_create_alloc_ex.  */
extern hashval_t core_addr_hash (const void *ap);
extern int core_addr_eq (const void *ap, const void *bp);

/* %d for LONGEST */
extern char *plongest (LONGEST l);
/* %u for ULONGEST */
extern char *pulongest (ULONGEST l);

extern char *phex (ULONGEST l, int sizeof_l);
extern char *phex_nz (ULONGEST l, int sizeof_l);
extern char *int_string (LONGEST, int, int, int, int);

/* Convert a CORE_ADDR into a HEX string with leading zeros.
   The output from core_addr_to_string() can be passed direct to
   string_to_core_addr().  */
extern const char *core_addr_to_string (const CORE_ADDR addr);
extern const char *core_addr_to_string_nz (const CORE_ADDR addr);
extern CORE_ADDR string_to_core_addr (const char *my_string);

/* Return a string that contains a number formatted as a hex
   string.  */
extern char *hex_string (LONGEST);
extern char *hex_string_custom (LONGEST, int);

extern void fprintf_symbol_filtered (struct ui_file *, const char *,
				     enum language, int);

extern void throw_perror_with_name (enum errors errcode, const char *string)
  ATTRIBUTE_NORETURN;
extern void perror_with_name (const char *) ATTRIBUTE_NORETURN;

extern void perror_warning_with_name (const char *string);

extern void print_sys_errmsg (const char *, int);
\f
/* Warnings and error messages.  */

extern void (*deprecated_error_begin_hook) (void);

/* Message to be printed before the warning message, when a warning occurs.  */

extern char *warning_pre_print;

extern void verror (const char *fmt, va_list ap)
     ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);

extern void error (const char *fmt, ...)
     ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);

extern void error_stream (struct ui_file *) ATTRIBUTE_NORETURN;

extern void vfatal (const char *fmt, va_list ap)
     ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);

extern void fatal (const char *fmt, ...)
     ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);

extern void internal_verror (const char *file, int line, const char *,
			     va_list ap)
     ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (3, 0);

extern void internal_vwarning (const char *file, int line,
			       const char *, va_list ap)
     ATTRIBUTE_PRINTF (3, 0);

extern void internal_warning (const char *file, int line,
			      const char *, ...) ATTRIBUTE_PRINTF (3, 4);

extern void warning (const char *, ...) ATTRIBUTE_PRINTF (1, 2);

extern void vwarning (const char *, va_list args) ATTRIBUTE_PRINTF (1, 0);
\f
/* Misc. utilities.  */

/* Allocation and deallocation functions for the libiberty hash table
   which use obstacks.  */
void *hashtab_obstack_allocate (void *data, size_t size, size_t count);
void dummy_obstack_deallocate (void *object, void *data);

#ifdef HAVE_WAITPID
extern pid_t wait_to_die_with_timeout (pid_t pid, int *status, int timeout);
#endif

extern int producer_is_gcc_ge_4 (const char *producer);

extern int myread (int, char *, int);

/* Ensure that V is aligned to an N byte boundary (B's assumed to be a
   power of 2).  Round up/down when necessary.  Examples of correct
   use include:

   addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
   write_memory (addr, value, len);
   addr += len;

   and:

   sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
   write_memory (sp, value, len);

   Note that uses such as:

   write_memory (addr, value, len);
   addr += align_up (len, 8);

   and:

   sp -= align_up (len, 8);
   write_memory (sp, value, len);

   are typically not correct as they don't ensure that the address (SP
   or ADDR) is correctly aligned (relying on previous alignment to
   keep things right).  This is also why the methods are called
   "align_..." instead of "round_..." as the latter reads better with
   this incorrect coding style.  */

extern ULONGEST align_up (ULONGEST v, int n);
extern ULONGEST align_down (ULONGEST v, int n);

/* Sign extend VALUE.  BIT is the (1-based) index of the bit in VALUE
   to sign-extend.  */

extern LONGEST gdb_sign_extend (LONGEST value, int bit);

#endif /* UTILS_H */
Commit	Line	Data
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.
8acc9f48	4	Copyright (C) 1986-2013 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
	24	#include "cleanups.h"
af880d85	25	#include "exceptions.h"
48faced0 DE	26
	27	extern void initialize_utils (void);
	28
	29	/* String utilities. */
	30
	31	extern int sevenbit_strings;
	32
	33	extern char savestring (const char , size_t);
	34
	35	extern int strcmp_iw (const char , const char );
	36
	37	extern int strcmp_iw_ordered (const char , const char );
	38
	39	extern int streq (const char , const char );
	40
	41	extern int subset_compare (char , char );
	42
	43	ULONGEST strtoulst (const char num, const char *trailer, int base);
	44
	45	int compare_positive_ints (const void ap, const void bp);
	46	int compare_strings (const void ap, const void bp);
	47
	48	/* This is defined in -hdep.c, e.g., posix-hdep.c. /
	49	extern char *safe_strerror (int);
	50
	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. */
	55
	56	extern const char gdb_bfd_errmsg (bfd_error_type error_tag, char *matching);
bd712aed DE	57
	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);
48faced0 DE	62	\f
	63	/* Parsing utilites. */
	64
	65	extern int parse_pid_to_attach (char *args);
	66
d7561cbb	67	extern int parse_escape (struct gdbarch , const char *);
48faced0 DE	68
	69	char *gdb_buildargv (const char );
	70	\f
	71	/* Cleanup utilities. */
	72
	73	extern struct cleanup make_cleanup_freeargv (char *);
	74
	75	struct dyn_string;
	76	extern struct cleanup make_cleanup_dyn_string_delete (struct dyn_string );
	77
	78	struct ui_file;
	79	extern struct cleanup make_cleanup_ui_file_delete (struct ui_file );
	80
	81	struct ui_out;
	82	extern struct cleanup *
	83	make_cleanup_ui_out_redirect_pop (struct ui_out *uiout);
	84
	85	struct section_addr_info;
	86	extern struct cleanup *(make_cleanup_free_section_addr_info
	87	(struct section_addr_info *));
	88
	89	extern struct cleanup *make_cleanup_close (int fd);
	90
	91	extern struct cleanup make_cleanup_fclose (FILE file);
	92
	93	extern struct cleanup make_cleanup_bfd_unref (bfd abfd);
	94
	95	struct obstack;
	96	extern struct cleanup make_cleanup_obstack_free (struct obstack obstack);
	97
	98	extern struct cleanup make_cleanup_restore_integer (int variable);
	99	extern struct cleanup make_cleanup_restore_uinteger (unsigned int variable);
	100
	101	struct target_ops;
	102	extern struct cleanup make_cleanup_unpush_target (struct target_ops ops);
	103
	104	extern struct cleanup *
	105	make_cleanup_restore_ui_file (struct ui_file **variable);
	106
	107	extern struct cleanup make_cleanup_value_free_to_mark (struct value );
	108	extern struct cleanup make_cleanup_value_free (struct value );
	109
	110	struct so_list;
	111	extern struct cleanup make_cleanup_free_so (struct so_list so);
	112
5b12a61c JK	113	extern struct cleanup *make_cleanup_restore_current_language (void);
5b12a61c JK	114
48faced0 DE	115	extern struct cleanup *make_cleanup_htab_delete (htab_t htab);
	116
	117	extern void free_current_contents (void *);
	118
48faced0 DE	119	extern void init_page_info (void);
	120
	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);
	124
	125	extern struct cleanup *make_bpstat_clear_actions_cleanup (void);
	126	\f
	127	/* Path utilities. */
	128
	129	extern char gdb_realpath (const char );
	130
4856b6bc JK	131	extern char gdb_realpath_keepfile (const char );
4856b6bc JK	132
48faced0 DE	133	extern int gdb_filename_fnmatch (const char pattern, const char string,
	134	int flags);
	135
	136	extern void substitute_path_component (char *stringp, const char from,
	137	const char *to);
	138
	139	char ldirname (const char filename);
	140	\f
	141	/* GDB output, ui_file utilities. */
	142
	143	struct ui_file;
	144
48faced0 DE	145	extern int query (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	146	extern int nquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	147	extern int yquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	148
	149	extern void begin_line (void);
	150
	151	extern void wrap_here (char *);
	152
	153	extern void reinitialize_more_filter (void);
	154
74da6f00 PA	155	extern int pagination_enabled;
74da6f00 PA	156
48faced0 DE	157	/* Global ui_file streams. These are all defined in main.c. */
	158	/* Normal results */
	159	extern struct ui_file *gdb_stdout;
	160	/* Input stream */
	161	extern struct ui_file *gdb_stdin;
	162	/* Serious error notifications */
	163	extern struct ui_file *gdb_stderr;
	164	/* Log/debug/trace messages that should bypass normal stdout/stderr
	165	filtering. For moment, always call this stream using
	166	*_unfiltered. In the very near future that restriction shall be
	167	removed - either call shall be unfiltered. (cagney 1999-06-13). */
	168	extern struct ui_file *gdb_stdlog;
	169	/* Target output that should bypass normal stdout/stderr filtering.
	170	For moment, always call this stream using *_unfiltered. In the
	171	very near future that restriction shall be removed - either call
	172	shall be unfiltered. (cagney 1999-07-02). */
	173	extern struct ui_file *gdb_stdtarg;
	174	extern struct ui_file *gdb_stdtargerr;
	175	extern struct ui_file *gdb_stdtargin;
	176
	177	/* More generic printf like operations. Filtered versions may return
	178	non-locally on error. */
	179
	180	extern void fputs_filtered (const char , struct ui_file );
	181
	182	extern void fputs_unfiltered (const char , struct ui_file );
	183
	184	extern int fputc_filtered (int c, struct ui_file *);
	185
	186	extern int fputc_unfiltered (int c, struct ui_file *);
	187
	188	extern int putchar_filtered (int c);
	189
	190	extern int putchar_unfiltered (int c);
	191
	192	extern void puts_filtered (const char *);
	193
	194	extern void puts_unfiltered (const char *);
	195
	196	extern void puts_filtered_tabular (char *string, int width, int right);
	197
	198	extern void puts_debug (char prefix, char string, char *suffix);
	199
	200	extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
	201
	202	extern void vfprintf_filtered (struct ui_file , const char , va_list)
	203	ATTRIBUTE_PRINTF (2, 0);
	204
	205	extern void fprintf_filtered (struct ui_file , const char , ...)
	206	ATTRIBUTE_PRINTF (2, 3);
	207
	208	extern void fprintfi_filtered (int, struct ui_file , const char , ...)
	209	ATTRIBUTE_PRINTF (3, 4);
	210
	211	extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	212
	213	extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
	214
	215	extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
	216
	217	extern void vfprintf_unfiltered (struct ui_file , const char , va_list)
	218	ATTRIBUTE_PRINTF (2, 0);
	219
	220	extern void fprintf_unfiltered (struct ui_file , const char , ...)
221	ATTRIBUTE_PRINTF (2, 3);
222
223	extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
224
225	extern void print_spaces (int, struct ui_file *);
226
227	extern void print_spaces_filtered (int, struct ui_file *);
228
229	extern char *n_spaces (int);
230
231	extern void fputstr_filtered (const char *str, int quotr,
232	struct ui_file * stream);
233
234	extern void fputstr_unfiltered (const char *str, int quotr,
235	struct ui_file * stream);
236
237	extern void fputstrn_filtered (const char *str, int n, int quotr,
238	struct ui_file * stream);
239
240	extern void fputstrn_unfiltered (const char *str, int n, int quotr,
241	struct ui_file * stream);
242
243	/* Display the host ADDR on STREAM formatted as ``0x%x''. */
244	extern void gdb_print_host_address (const void addr, struct ui_file stream);
245
246	extern const char host_address_to_string (const void addr);
247
248	/* Convert CORE_ADDR to string in platform-specific manner.
249	This is usually formatted similar to 0x%lx. */
250	extern const char paddress (struct gdbarch gdbarch, CORE_ADDR addr);
251
252	/* Return a string representation in hexadecimal notation of ADDRESS,
253	which is suitable for printing. */
254
255	extern const char print_core_address (struct gdbarch gdbarch,
256	CORE_ADDR address);
257
258	/* Callback hash_f and eq_f for htab_create_alloc or htab_create_alloc_ex. */
259	extern hashval_t core_addr_hash (const void *ap);
260	extern int core_addr_eq (const void ap, const void bp);
261
262	/* %d for LONGEST */
263	extern char *plongest (LONGEST l);
264	/* %u for ULONGEST */
265	extern char *pulongest (ULONGEST l);
266
267	extern char *phex (ULONGEST l, int sizeof_l);
268	extern char *phex_nz (ULONGEST l, int sizeof_l);
269	extern char *int_string (LONGEST, int, int, int, int);
270
271	/* Convert a CORE_ADDR into a HEX string with leading zeros.
272	The output from core_addr_to_string() can be passed direct to
273	string_to_core_addr(). */
274	extern const char *core_addr_to_string (const CORE_ADDR addr);
275	extern const char *core_addr_to_string_nz (const CORE_ADDR addr);
276	extern CORE_ADDR string_to_core_addr (const char *my_string);
277
278	/* Return a string that contains a number formatted as a hex
279	string. */
280	extern char *hex_string (LONGEST);
281	extern char *hex_string_custom (LONGEST, int);
282
283	extern void fprintf_symbol_filtered (struct ui_file , const char ,
284	enum language, int);
285
598d3636 JK	286	extern void throw_perror_with_name (enum errors errcode, const char *string)
598d3636 JK	287	ATTRIBUTE_NORETURN;
48faced0 DE	288	extern void perror_with_name (const char *) ATTRIBUTE_NORETURN;
48faced0 DE	289
7c647d61 JB	290	extern void perror_warning_with_name (const char *string);
7c647d61 JB	291
48faced0 DE	292	extern void print_sys_errmsg (const char *, int);
	293	\f
	294	/* Warnings and error messages. */
	295
	296	extern void (*deprecated_error_begin_hook) (void);
	297
48faced0 DE	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
48faced0 DE	344	extern int myread (int, char *, int);
	345
	346	/* Ensure that V is aligned to an N byte boundary (B's assumed to be a
	347	power of 2). Round up/down when necessary. Examples of correct
	348	use include:
	349
	350	addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
	351	write_memory (addr, value, len);
	352	addr += len;
	353
	354	and:
	355
	356	sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
	357	write_memory (sp, value, len);
	358
	359	Note that uses such as:
	360
	361	write_memory (addr, value, len);
	362	addr += align_up (len, 8);
	363
	364	and:
	365
	366	sp -= align_up (len, 8);
	367	write_memory (sp, value, len);
	368
	369	are typically not correct as they don't ensure that the address (SP
	370	or ADDR) is correctly aligned (relying on previous alignment to
	371	keep things right). This is also why the methods are called
	372	"align_..." instead of "round_..." as the latter reads better with
	373	this incorrect coding style. */
	374
	375	extern ULONGEST align_up (ULONGEST v, int n);
	376	extern ULONGEST align_down (ULONGEST v, int n);
	377
5bd1ef56 TT	378	/* Sign extend VALUE. BIT is the (1-based) index of the bit in VALUE
	379	to sign-extend. */
	380
	381	extern LONGEST gdb_sign_extend (LONGEST value, int bit);
	382
48faced0	383	#endif /* UTILS_H */