[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 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 (const 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
48faced0 DE	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);
bd712aed DE	56
	57	/* Reset the prompt_for_continue clock. */
	58	void reset_prompt_for_continue_wait_time (void);
	59	/* Return the time spent in prompt_for_continue. */
	60	struct timeval get_prompt_for_continue_wait_time (void);
48faced0 DE	61	\f
	62	/* Parsing utilites. */
	63
c0939df1	64	extern int parse_pid_to_attach (const char *args);
48faced0	65
d7561cbb	66	extern int parse_escape (struct gdbarch , const char *);
48faced0 DE	67
	68	char *gdb_buildargv (const char );
	69	\f
	70	/* Cleanup utilities. */
	71
	72	extern struct cleanup make_cleanup_freeargv (char *);
	73
	74	struct dyn_string;
	75	extern struct cleanup make_cleanup_dyn_string_delete (struct dyn_string );
	76
	77	struct ui_file;
	78	extern struct cleanup make_cleanup_ui_file_delete (struct ui_file );
	79
	80	struct ui_out;
	81	extern struct cleanup *
	82	make_cleanup_ui_out_redirect_pop (struct ui_out *uiout);
	83
	84	struct section_addr_info;
	85	extern struct cleanup *(make_cleanup_free_section_addr_info
	86	(struct section_addr_info *));
	87
	88	extern struct cleanup *make_cleanup_close (int fd);
	89
	90	extern struct cleanup make_cleanup_fclose (FILE file);
	91
	92	extern struct cleanup make_cleanup_bfd_unref (bfd abfd);
	93
	94	struct obstack;
	95	extern struct cleanup make_cleanup_obstack_free (struct obstack obstack);
	96
	97	extern struct cleanup make_cleanup_restore_integer (int variable);
	98	extern struct cleanup make_cleanup_restore_uinteger (unsigned int variable);
	99
	100	struct target_ops;
	101	extern struct cleanup make_cleanup_unpush_target (struct target_ops ops);
	102
	103	extern struct cleanup *
	104	make_cleanup_restore_ui_file (struct ui_file **variable);
	105
	106	extern struct cleanup make_cleanup_value_free_to_mark (struct value );
	107	extern struct cleanup make_cleanup_value_free (struct value );
	108
	109	struct so_list;
	110	extern struct cleanup make_cleanup_free_so (struct so_list so);
	111
5b12a61c JK	112	extern struct cleanup *make_cleanup_restore_current_language (void);
5b12a61c JK	113
48faced0 DE	114	extern struct cleanup *make_cleanup_htab_delete (htab_t htab);
48faced0 DE	115
410a0ff2 SDJ	116	struct parser_state;
	117	extern struct cleanup *make_cleanup_clear_parser_state
	118	(struct parser_state **p);
	119
48faced0 DE	120	extern void free_current_contents (void *);
48faced0 DE	121
48faced0 DE	122	extern void init_page_info (void);
	123
	124	extern struct cleanup *make_cleanup_restore_page_info (void);
	125	extern struct cleanup *
	126	set_batch_flag_and_make_cleanup_restore_page_info (void);
	127
	128	extern struct cleanup *make_bpstat_clear_actions_cleanup (void);
	129	\f
	130	/* Path utilities. */
	131
	132	extern char gdb_realpath (const char );
	133
4856b6bc JK	134	extern char gdb_realpath_keepfile (const char );
4856b6bc JK	135
04affae3 JK	136	extern char gdb_abspath (const char );
04affae3 JK	137
48faced0 DE	138	extern int gdb_filename_fnmatch (const char pattern, const char string,
	139	int flags);
	140
	141	extern void substitute_path_component (char *stringp, const char from,
	142	const char *to);
	143
	144	char ldirname (const char filename);
	145	\f
	146	/* GDB output, ui_file utilities. */
	147
	148	struct ui_file;
	149
48faced0 DE	150	extern int query (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	151	extern int nquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	152	extern int yquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	153
	154	extern void begin_line (void);
	155
	156	extern void wrap_here (char *);
	157
	158	extern void reinitialize_more_filter (void);
	159
74da6f00 PA	160	extern int pagination_enabled;
74da6f00 PA	161
48faced0 DE	162	/* Global ui_file streams. These are all defined in main.c. */
	163	/* Normal results */
	164	extern struct ui_file *gdb_stdout;
	165	/* Input stream */
	166	extern struct ui_file *gdb_stdin;
	167	/* Serious error notifications */
	168	extern struct ui_file *gdb_stderr;
	169	/* Log/debug/trace messages that should bypass normal stdout/stderr
	170	filtering. For moment, always call this stream using
	171	*_unfiltered. In the very near future that restriction shall be
	172	removed - either call shall be unfiltered. (cagney 1999-06-13). */
	173	extern struct ui_file *gdb_stdlog;
	174	/* Target output that should bypass normal stdout/stderr filtering.
	175	For moment, always call this stream using *_unfiltered. In the
	176	very near future that restriction shall be removed - either call
	177	shall be unfiltered. (cagney 1999-07-02). */
	178	extern struct ui_file *gdb_stdtarg;
	179	extern struct ui_file *gdb_stdtargerr;
	180	extern struct ui_file *gdb_stdtargin;
	181
	182	/* More generic printf like operations. Filtered versions may return
	183	non-locally on error. */
	184
	185	extern void fputs_filtered (const char , struct ui_file );
	186
	187	extern void fputs_unfiltered (const char , struct ui_file );
	188
	189	extern int fputc_filtered (int c, struct ui_file *);
	190
	191	extern int fputc_unfiltered (int c, struct ui_file *);
	192
	193	extern int putchar_filtered (int c);
	194
	195	extern int putchar_unfiltered (int c);
	196
	197	extern void puts_filtered (const char *);
	198
	199	extern void puts_unfiltered (const char *);
	200
	201	extern void puts_filtered_tabular (char *string, int width, int right);
	202
	203	extern void puts_debug (char prefix, char string, char *suffix);
	204
	205	extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
	206
	207	extern void vfprintf_filtered (struct ui_file , const char , va_list)
	208	ATTRIBUTE_PRINTF (2, 0);
	209
	210	extern void fprintf_filtered (struct ui_file , const char , ...)
	211	ATTRIBUTE_PRINTF (2, 3);
	212
	213	extern void fprintfi_filtered (int, struct ui_file , const char , ...)
	214	ATTRIBUTE_PRINTF (3, 4);
	215
	216	extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	217
	218	extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
	219
	220	extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
	221
	222	extern void vfprintf_unfiltered (struct ui_file , const char , va_list)
	223	ATTRIBUTE_PRINTF (2, 0);
	224
	225	extern void fprintf_unfiltered (struct ui_file , const char , ...)
226	ATTRIBUTE_PRINTF (2, 3);
227
228	extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
229
230	extern void print_spaces (int, struct ui_file *);
231
232	extern void print_spaces_filtered (int, struct ui_file *);
233
234	extern char *n_spaces (int);
235
236	extern void fputstr_filtered (const char *str, int quotr,
237	struct ui_file * stream);
238
239	extern void fputstr_unfiltered (const char *str, int quotr,
240	struct ui_file * stream);
241
242	extern void fputstrn_filtered (const char *str, int n, int quotr,
243	struct ui_file * stream);
244
245	extern void fputstrn_unfiltered (const char *str, int n, int quotr,
246	struct ui_file * stream);
247
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);
48faced0 DE	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)
598d3636 JK	271	ATTRIBUTE_NORETURN;
48faced0 DE	272	extern void perror_with_name (const char *) ATTRIBUTE_NORETURN;
48faced0 DE	273
7c647d61 JB	274	extern void perror_warning_with_name (const char *string);
7c647d61 JB	275
48faced0 DE	276	extern void print_sys_errmsg (const char *, int);
	277	\f
	278	/* Warnings and error messages. */
	279
	280	extern void (*deprecated_error_begin_hook) (void);
	281
48faced0 DE	282	/* Message to be printed before the warning message, when a warning occurs. */
	283
	284	extern char *warning_pre_print;
	285
	286	extern void verror (const char *fmt, va_list ap)
	287	ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);
	288
	289	extern void error (const char *fmt, ...)
	290	ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
	291
	292	extern void error_stream (struct ui_file *) ATTRIBUTE_NORETURN;
	293
	294	extern void vfatal (const char *fmt, va_list ap)
	295	ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);
	296
	297	extern void fatal (const char *fmt, ...)
	298	ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
	299
	300	extern void internal_verror (const char file, int line, const char ,
	301	va_list ap)
	302	ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (3, 0);
	303
	304	extern void internal_vwarning (const char *file, int line,
	305	const char *, va_list ap)
	306	ATTRIBUTE_PRINTF (3, 0);
	307
	308	extern void internal_warning (const char *file, int line,
	309	const char *, ...) ATTRIBUTE_PRINTF (3, 4);
	310
	311	extern void warning (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	312
	313	extern void vwarning (const char *, va_list args) ATTRIBUTE_PRINTF (1, 0);
	314	\f
	315	/* Misc. utilities. */
	316
	317	/* Allocation and deallocation functions for the libiberty hash table
	318	which use obstacks. */
	319	void hashtab_obstack_allocate (void data, size_t size, size_t count);
	320	void dummy_obstack_deallocate (void object, void data);
	321
	322	#ifdef HAVE_WAITPID
	323	extern pid_t wait_to_die_with_timeout (pid_t pid, int *status, int timeout);
	324	#endif
	325
	326	extern int producer_is_gcc_ge_4 (const char *producer);
	327
48faced0 DE	328	extern int myread (int, char *, int);
	329
	330	/* Ensure that V is aligned to an N byte boundary (B's assumed to be a
	331	power of 2). Round up/down when necessary. Examples of correct
	332	use include:
	333
	334	addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
	335	write_memory (addr, value, len);
	336	addr += len;
	337
	338	and:
	339
	340	sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
	341	write_memory (sp, value, len);
	342
	343	Note that uses such as:
	344
	345	write_memory (addr, value, len);
	346	addr += align_up (len, 8);
	347
	348	and:
	349
	350	sp -= align_up (len, 8);
	351	write_memory (sp, value, len);
	352
	353	are typically not correct as they don't ensure that the address (SP
	354	or ADDR) is correctly aligned (relying on previous alignment to
	355	keep things right). This is also why the methods are called
	356	"align_..." instead of "round_..." as the latter reads better with
	357	this incorrect coding style. */
	358
	359	extern ULONGEST align_up (ULONGEST v, int n);
	360	extern ULONGEST align_down (ULONGEST v, int n);
	361
5bd1ef56 TT	362	/* Sign extend VALUE. BIT is the (1-based) index of the bit in VALUE
	363	to sign-extend. */
	364
	365	extern LONGEST gdb_sign_extend (LONGEST value, int bit);
	366
48faced0	367	#endif /* UTILS_H */