[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) 1986-2014 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"
#include "print-utils.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);

struct parser_state;
extern struct cleanup *make_cleanup_clear_parser_state
  (struct parser_state **p);

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 char *gdb_abspath (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);

/* 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);

extern CORE_ADDR string_to_core_addr (const char *my_string);

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.
ecd75fc8	4	Copyright (C) 1986-2014 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"
01fd3ea5	26	#include "print-utils.h"
48faced0 DE	27
	28	extern void initialize_utils (void);
	29
	30	/* String utilities. */
	31
	32	extern int sevenbit_strings;
	33
	34	extern char savestring (const char , size_t);
	35
	36	extern int strcmp_iw (const char , const char );
	37
	38	extern int strcmp_iw_ordered (const char , const char );
	39
	40	extern int streq (const char , const char );
	41
	42	extern int subset_compare (char , char );
	43
	44	ULONGEST strtoulst (const char num, const char *trailer, int base);
	45
	46	int compare_positive_ints (const void ap, const void bp);
	47	int compare_strings (const void ap, const void bp);
	48
	49	/* This is defined in -hdep.c, e.g., posix-hdep.c. /
	50	extern char *safe_strerror (int);
	51
	52	/* A wrapper for bfd_errmsg to produce a more helpful error message
	53	in the case of bfd_error_file_ambiguously recognized.
	54	MATCHING, if non-NULL, is the corresponding argument to
	55	bfd_check_format_matches, and will be freed. */
	56
	57	extern const char gdb_bfd_errmsg (bfd_error_type error_tag, char *matching);
bd712aed DE	58
	59	/* Reset the prompt_for_continue clock. */
	60	void reset_prompt_for_continue_wait_time (void);
	61	/* Return the time spent in prompt_for_continue. */
	62	struct timeval get_prompt_for_continue_wait_time (void);
48faced0 DE	63	\f
	64	/* Parsing utilites. */
	65
	66	extern int parse_pid_to_attach (char *args);
	67
d7561cbb	68	extern int parse_escape (struct gdbarch , const char *);
48faced0 DE	69
	70	char *gdb_buildargv (const char );
	71	\f
	72	/* Cleanup utilities. */
	73
	74	extern struct cleanup make_cleanup_freeargv (char *);
	75
	76	struct dyn_string;
	77	extern struct cleanup make_cleanup_dyn_string_delete (struct dyn_string );
	78
	79	struct ui_file;
	80	extern struct cleanup make_cleanup_ui_file_delete (struct ui_file );
	81
	82	struct ui_out;
	83	extern struct cleanup *
	84	make_cleanup_ui_out_redirect_pop (struct ui_out *uiout);
	85
	86	struct section_addr_info;
	87	extern struct cleanup *(make_cleanup_free_section_addr_info
	88	(struct section_addr_info *));
	89
	90	extern struct cleanup *make_cleanup_close (int fd);
	91
	92	extern struct cleanup make_cleanup_fclose (FILE file);
	93
	94	extern struct cleanup make_cleanup_bfd_unref (bfd abfd);
	95
	96	struct obstack;
	97	extern struct cleanup make_cleanup_obstack_free (struct obstack obstack);
	98
	99	extern struct cleanup make_cleanup_restore_integer (int variable);
	100	extern struct cleanup make_cleanup_restore_uinteger (unsigned int variable);
	101
	102	struct target_ops;
	103	extern struct cleanup make_cleanup_unpush_target (struct target_ops ops);
	104
	105	extern struct cleanup *
	106	make_cleanup_restore_ui_file (struct ui_file **variable);
	107
	108	extern struct cleanup make_cleanup_value_free_to_mark (struct value );
	109	extern struct cleanup make_cleanup_value_free (struct value );
	110
	111	struct so_list;
	112	extern struct cleanup make_cleanup_free_so (struct so_list so);
	113
5b12a61c JK	114	extern struct cleanup *make_cleanup_restore_current_language (void);
5b12a61c JK	115
48faced0 DE	116	extern struct cleanup *make_cleanup_htab_delete (htab_t htab);
48faced0 DE	117
410a0ff2 SDJ	118	struct parser_state;
	119	extern struct cleanup *make_cleanup_clear_parser_state
	120	(struct parser_state **p);
	121
48faced0 DE	122	extern void free_current_contents (void *);
48faced0 DE	123
48faced0 DE	124	extern void init_page_info (void);
	125
	126	extern struct cleanup *make_cleanup_restore_page_info (void);
	127	extern struct cleanup *
	128	set_batch_flag_and_make_cleanup_restore_page_info (void);
	129
	130	extern struct cleanup *make_bpstat_clear_actions_cleanup (void);
	131	\f
	132	/* Path utilities. */
	133
	134	extern char gdb_realpath (const char );
	135
4856b6bc JK	136	extern char gdb_realpath_keepfile (const char );
4856b6bc JK	137
04affae3 JK	138	extern char gdb_abspath (const char );
04affae3 JK	139
48faced0 DE	140	extern int gdb_filename_fnmatch (const char pattern, const char string,
	141	int flags);
	142
	143	extern void substitute_path_component (char *stringp, const char from,
	144	const char *to);
	145
	146	char ldirname (const char filename);
	147	\f
	148	/* GDB output, ui_file utilities. */
	149
	150	struct ui_file;
	151
48faced0 DE	152	extern int query (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	153	extern int nquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	154	extern int yquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	155
	156	extern void begin_line (void);
	157
	158	extern void wrap_here (char *);
	159
	160	extern void reinitialize_more_filter (void);
	161
74da6f00 PA	162	extern int pagination_enabled;
74da6f00 PA	163
48faced0 DE	164	/* Global ui_file streams. These are all defined in main.c. */
	165	/* Normal results */
	166	extern struct ui_file *gdb_stdout;
	167	/* Input stream */
	168	extern struct ui_file *gdb_stdin;
	169	/* Serious error notifications */
	170	extern struct ui_file *gdb_stderr;
	171	/* Log/debug/trace messages that should bypass normal stdout/stderr
	172	filtering. For moment, always call this stream using
	173	*_unfiltered. In the very near future that restriction shall be
	174	removed - either call shall be unfiltered. (cagney 1999-06-13). */
	175	extern struct ui_file *gdb_stdlog;
	176	/* Target output that should bypass normal stdout/stderr filtering.
	177	For moment, always call this stream using *_unfiltered. In the
	178	very near future that restriction shall be removed - either call
	179	shall be unfiltered. (cagney 1999-07-02). */
	180	extern struct ui_file *gdb_stdtarg;
	181	extern struct ui_file *gdb_stdtargerr;
	182	extern struct ui_file *gdb_stdtargin;
	183
	184	/* More generic printf like operations. Filtered versions may return
	185	non-locally on error. */
	186
	187	extern void fputs_filtered (const char , struct ui_file );
	188
	189	extern void fputs_unfiltered (const char , struct ui_file );
	190
	191	extern int fputc_filtered (int c, struct ui_file *);
	192
	193	extern int fputc_unfiltered (int c, struct ui_file *);
	194
	195	extern int putchar_filtered (int c);
	196
	197	extern int putchar_unfiltered (int c);
	198
	199	extern void puts_filtered (const char *);
	200
	201	extern void puts_unfiltered (const char *);
	202
	203	extern void puts_filtered_tabular (char *string, int width, int right);
	204
	205	extern void puts_debug (char prefix, char string, char *suffix);
	206
	207	extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
	208
	209	extern void vfprintf_filtered (struct ui_file , const char , va_list)
	210	ATTRIBUTE_PRINTF (2, 0);
	211
	212	extern void fprintf_filtered (struct ui_file , const char , ...)
	213	ATTRIBUTE_PRINTF (2, 3);
	214
	215	extern void fprintfi_filtered (int, struct ui_file , const char , ...)
	216	ATTRIBUTE_PRINTF (3, 4);
	217
	218	extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	219
	220	extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
	221
	222	extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
	223
	224	extern void vfprintf_unfiltered (struct ui_file , const char , va_list)
	225	ATTRIBUTE_PRINTF (2, 0);
	226
	227	extern void fprintf_unfiltered (struct ui_file , const char , ...)
228	ATTRIBUTE_PRINTF (2, 3);
229
230	extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
231
232	extern void print_spaces (int, struct ui_file *);
233
234	extern void print_spaces_filtered (int, struct ui_file *);
235
236	extern char *n_spaces (int);
237
238	extern void fputstr_filtered (const char *str, int quotr,
239	struct ui_file * stream);
240
241	extern void fputstr_unfiltered (const char *str, int quotr,
242	struct ui_file * stream);
243
244	extern void fputstrn_filtered (const char *str, int n, int quotr,
245	struct ui_file * stream);
246
247	extern void fputstrn_unfiltered (const char *str, int n, int quotr,
248	struct ui_file * stream);
249
250	/* Display the host ADDR on STREAM formatted as ``0x%x''. */
251	extern void gdb_print_host_address (const void addr, struct ui_file stream);
252
48faced0 DE	253	/* Convert CORE_ADDR to string in platform-specific manner.
	254	This is usually formatted similar to 0x%lx. */
	255	extern const char paddress (struct gdbarch gdbarch, CORE_ADDR addr);
	256
	257	/* Return a string representation in hexadecimal notation of ADDRESS,
	258	which is suitable for printing. */
	259
	260	extern const char print_core_address (struct gdbarch gdbarch,
	261	CORE_ADDR address);
	262
	263	/* Callback hash_f and eq_f for htab_create_alloc or htab_create_alloc_ex. */
	264	extern hashval_t core_addr_hash (const void *ap);
	265	extern int core_addr_eq (const void ap, const void bp);
	266
48faced0 DE	267	extern CORE_ADDR string_to_core_addr (const char *my_string);
48faced0 DE	268
48faced0 DE	269	extern void fprintf_symbol_filtered (struct ui_file , const char ,
	270	enum language, int);
	271
598d3636 JK	272	extern void throw_perror_with_name (enum errors errcode, const char *string)
598d3636 JK	273	ATTRIBUTE_NORETURN;
48faced0 DE	274	extern void perror_with_name (const char *) ATTRIBUTE_NORETURN;
48faced0 DE	275
7c647d61 JB	276	extern void perror_warning_with_name (const char *string);
7c647d61 JB	277
48faced0 DE	278	extern void print_sys_errmsg (const char *, int);
	279	\f
	280	/* Warnings and error messages. */
	281
	282	extern void (*deprecated_error_begin_hook) (void);
	283
48faced0 DE	284	/* Message to be printed before the warning message, when a warning occurs. */
	285
	286	extern char *warning_pre_print;
	287
	288	extern void verror (const char *fmt, va_list ap)
	289	ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);
	290
	291	extern void error (const char *fmt, ...)
	292	ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
	293
	294	extern void error_stream (struct ui_file *) ATTRIBUTE_NORETURN;
	295
	296	extern void vfatal (const char *fmt, va_list ap)
	297	ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);
	298
	299	extern void fatal (const char *fmt, ...)
	300	ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
	301
	302	extern void internal_verror (const char file, int line, const char ,
	303	va_list ap)
	304	ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (3, 0);
	305
	306	extern void internal_vwarning (const char *file, int line,
	307	const char *, va_list ap)
	308	ATTRIBUTE_PRINTF (3, 0);
	309
	310	extern void internal_warning (const char *file, int line,
	311	const char *, ...) ATTRIBUTE_PRINTF (3, 4);
	312
	313	extern void warning (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	314
	315	extern void vwarning (const char *, va_list args) ATTRIBUTE_PRINTF (1, 0);
	316	\f
	317	/* Misc. utilities. */
	318
	319	/* Allocation and deallocation functions for the libiberty hash table
	320	which use obstacks. */
	321	void hashtab_obstack_allocate (void data, size_t size, size_t count);
	322	void dummy_obstack_deallocate (void object, void data);
	323
	324	#ifdef HAVE_WAITPID
	325	extern pid_t wait_to_die_with_timeout (pid_t pid, int *status, int timeout);
	326	#endif
	327
	328	extern int producer_is_gcc_ge_4 (const char *producer);
	329
48faced0 DE	330	extern int myread (int, char *, int);
	331
	332	/* Ensure that V is aligned to an N byte boundary (B's assumed to be a
	333	power of 2). Round up/down when necessary. Examples of correct
	334	use include:
	335
	336	addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
	337	write_memory (addr, value, len);
	338	addr += len;
	339
	340	and:
	341
	342	sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
	343	write_memory (sp, value, len);
	344
	345	Note that uses such as:
	346
	347	write_memory (addr, value, len);
	348	addr += align_up (len, 8);
	349
	350	and:
	351
	352	sp -= align_up (len, 8);
	353	write_memory (sp, value, len);
	354
	355	are typically not correct as they don't ensure that the address (SP
	356	or ADDR) is correctly aligned (relying on previous alignment to
	357	keep things right). This is also why the methods are called
	358	"align_..." instead of "round_..." as the latter reads better with
	359	this incorrect coding style. */
	360
	361	extern ULONGEST align_up (ULONGEST v, int n);
	362	extern ULONGEST align_down (ULONGEST v, int n);
	363
5bd1ef56 TT	364	/* Sign extend VALUE. BIT is the (1-based) index of the bit in VALUE
	365	to sign-extend. */
	366
	367	extern LONGEST gdb_sign_extend (LONGEST value, int bit);
	368
48faced0	369	#endif /* UTILS_H */