[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) 1986-2015 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 "exceptions.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);

/* 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;

/* Set the screen dimensions to WIDTH and HEIGHT.  */

extern void set_screen_width_and_height (int width, int height);

/* 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);

/* Return nonzero if filtered printing is initialized.  */
extern int filtered_printing_initialized (void);

/* 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_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 error_stream (struct ui_file *) ATTRIBUTE_NORETURN;

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

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

\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 producer_is_gcc (const char *producer, int *major, int *minor);

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);

/* Resource limits used by getrlimit and setrlimit.  */

enum resource_limit_kind
  {
    LIMIT_CUR,
    LIMIT_MAX
  };

/* Check whether GDB will be able to dump core using the dump_core
   function.  Returns zero if GDB cannot or should not dump core.
   If LIMIT_KIND is LIMIT_CUR the user's soft limit will be respected.
   If LIMIT_KIND is LIMIT_MAX only the hard limit will be respected.  */

extern int can_dump_core (enum resource_limit_kind limit_kind);

/* Print a warning that we cannot dump core.  */

extern void warn_cant_dump_core (const char *reason);

/* Dump core trying to increase the core soft limit to hard limit
   first.  */

extern void dump_core (void);

/* Return the hex string form of LENGTH bytes of DATA.
   Space for the result is malloc'd, caller must free.  */

extern char *make_hex_string (const gdb_byte *data, size_t length);

#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.
32d0add0	4	Copyright (C) 1986-2015 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
af880d85	24	#include "exceptions.h"
48faced0 DE	25
	26	extern void initialize_utils (void);
	27
	28	/* String utilities. */
	29
	30	extern int sevenbit_strings;
	31
48faced0 DE	32	extern int strcmp_iw (const char , const char );
	33
	34	extern int strcmp_iw_ordered (const char , const char );
	35
	36	extern int streq (const char , const char );
	37
	38	extern int subset_compare (char , char );
	39
	40	ULONGEST strtoulst (const char num, const char *trailer, int base);
	41
	42	int compare_positive_ints (const void ap, const void bp);
	43	int compare_strings (const void ap, const void bp);
	44
48faced0 DE	45	/* A wrapper for bfd_errmsg to produce a more helpful error message
	46	in the case of bfd_error_file_ambiguously recognized.
	47	MATCHING, if non-NULL, is the corresponding argument to
	48	bfd_check_format_matches, and will be freed. */
	49
	50	extern const char gdb_bfd_errmsg (bfd_error_type error_tag, char *matching);
bd712aed DE	51
	52	/* Reset the prompt_for_continue clock. */
	53	void reset_prompt_for_continue_wait_time (void);
	54	/* Return the time spent in prompt_for_continue. */
	55	struct timeval get_prompt_for_continue_wait_time (void);
48faced0 DE	56	\f
	57	/* Parsing utilites. */
	58
c0939df1	59	extern int parse_pid_to_attach (const char *args);
48faced0	60
d7561cbb	61	extern int parse_escape (struct gdbarch , const char *);
48faced0 DE	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
5b12a61c JK	107	extern struct cleanup *make_cleanup_restore_current_language (void);
5b12a61c JK	108
48faced0 DE	109	extern struct cleanup *make_cleanup_htab_delete (htab_t htab);
48faced0 DE	110
410a0ff2 SDJ	111	struct parser_state;
	112	extern struct cleanup *make_cleanup_clear_parser_state
	113	(struct parser_state **p);
	114
48faced0 DE	115	extern void free_current_contents (void *);
48faced0 DE	116
48faced0 DE	117	extern void init_page_info (void);
	118
	119	extern struct cleanup *make_cleanup_restore_page_info (void);
	120	extern struct cleanup *
	121	set_batch_flag_and_make_cleanup_restore_page_info (void);
	122
	123	extern struct cleanup *make_bpstat_clear_actions_cleanup (void);
	124	\f
	125	/* Path utilities. */
	126
	127	extern char gdb_realpath (const char );
	128
4856b6bc JK	129	extern char gdb_realpath_keepfile (const char );
4856b6bc JK	130
04affae3 JK	131	extern char gdb_abspath (const char );
04affae3 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
d6e5e7f7 PP	177	/* Set the screen dimensions to WIDTH and HEIGHT. */
	178
	179	extern void set_screen_width_and_height (int width, int height);
	180
48faced0 DE	181	/* More generic printf like operations. Filtered versions may return
	182	non-locally on error. */
	183
	184	extern void fputs_filtered (const char , struct ui_file );
	185
	186	extern void fputs_unfiltered (const char , struct ui_file );
	187
	188	extern int fputc_filtered (int c, struct ui_file *);
	189
	190	extern int fputc_unfiltered (int c, struct ui_file *);
	191
	192	extern int putchar_filtered (int c);
	193
	194	extern int putchar_unfiltered (int c);
	195
	196	extern void puts_filtered (const char *);
	197
	198	extern void puts_unfiltered (const char *);
	199
	200	extern void puts_filtered_tabular (char *string, int width, int right);
	201
	202	extern void puts_debug (char prefix, char string, char *suffix);
	203
	204	extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
	205
	206	extern void vfprintf_filtered (struct ui_file , const char , va_list)
	207	ATTRIBUTE_PRINTF (2, 0);
	208
	209	extern void fprintf_filtered (struct ui_file , const char , ...)
	210	ATTRIBUTE_PRINTF (2, 3);
	211
	212	extern void fprintfi_filtered (int, struct ui_file , const char , ...)
	213	ATTRIBUTE_PRINTF (3, 4);
	214
	215	extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	216
	217	extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
	218
	219	extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
	220
	221	extern void vfprintf_unfiltered (struct ui_file , const char , va_list)
	222	ATTRIBUTE_PRINTF (2, 0);
	223
	224	extern void fprintf_unfiltered (struct ui_file , const char , ...)
	225	ATTRIBUTE_PRINTF (2, 3);
	226
	227	extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	228
	229	extern void print_spaces (int, struct ui_file *);
	230
	231	extern void print_spaces_filtered (int, struct ui_file *);
	232
	233	extern char *n_spaces (int);
	234
	235	extern void fputstr_filtered (const char *str, int quotr,
	236	struct ui_file * stream);
	237
	238	extern void fputstr_unfiltered (const char *str, int quotr,
	239	struct ui_file * stream);
	240
	241	extern void fputstrn_filtered (const char *str, int n, int quotr,
	242	struct ui_file * stream);
	243
	244	extern void fputstrn_unfiltered (const char *str, int n, int quotr,
245	struct ui_file * stream);
246
2437fd32 GB	247	/* Return nonzero if filtered printing is initialized. */
	248	extern int filtered_printing_initialized (void);
	249
48faced0 DE	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	274
7c647d61 JB	275	extern void perror_warning_with_name (const char *string);
7c647d61 JB	276
48faced0 DE	277	extern void print_sys_errmsg (const char *, int);
	278	\f
	279	/* Warnings and error messages. */
	280
	281	extern void (*deprecated_error_begin_hook) (void);
	282
48faced0 DE	283	/* Message to be printed before the warning message, when a warning occurs. */
	284
	285	extern char *warning_pre_print;
	286
48faced0 DE	287	extern void error_stream (struct ui_file *) ATTRIBUTE_NORETURN;
48faced0 DE	288
57fcfb1b GB	289	extern void demangler_vwarning (const char *file, int line,
	290	const char *, va_list ap)
	291	ATTRIBUTE_PRINTF (3, 0);
	292
	293	extern void demangler_warning (const char *file, int line,
	294	const char *, ...) ATTRIBUTE_PRINTF (3, 4);
	295
48faced0 DE	296	\f
	297	/* Misc. utilities. */
	298
	299	/* Allocation and deallocation functions for the libiberty hash table
	300	which use obstacks. */
	301	void hashtab_obstack_allocate (void data, size_t size, size_t count);
	302	void dummy_obstack_deallocate (void object, void data);
	303
	304	#ifdef HAVE_WAITPID
	305	extern pid_t wait_to_die_with_timeout (pid_t pid, int *status, int timeout);
	306	#endif
	307
	308	extern int producer_is_gcc_ge_4 (const char *producer);
cc7039d3	309	extern int producer_is_gcc (const char producer, int major, int *minor);
48faced0	310
48faced0 DE	311	extern int myread (int, char *, int);
	312
	313	/* Ensure that V is aligned to an N byte boundary (B's assumed to be a
	314	power of 2). Round up/down when necessary. Examples of correct
	315	use include:
	316
	317	addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
	318	write_memory (addr, value, len);
	319	addr += len;
	320
	321	and:
	322
	323	sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
	324	write_memory (sp, value, len);
	325
	326	Note that uses such as:
	327
	328	write_memory (addr, value, len);
	329	addr += align_up (len, 8);
	330
	331	and:
	332
	333	sp -= align_up (len, 8);
	334	write_memory (sp, value, len);
	335
	336	are typically not correct as they don't ensure that the address (SP
	337	or ADDR) is correctly aligned (relying on previous alignment to
	338	keep things right). This is also why the methods are called
	339	"align_..." instead of "round_..." as the latter reads better with
	340	this incorrect coding style. */
	341
	342	extern ULONGEST align_up (ULONGEST v, int n);
	343	extern ULONGEST align_down (ULONGEST v, int n);
	344
eae7090b GB	345	/* Resource limits used by getrlimit and setrlimit. */
	346
	347	enum resource_limit_kind
	348	{
	349	LIMIT_CUR,
	350	LIMIT_MAX
	351	};
	352
	353	/* Check whether GDB will be able to dump core using the dump_core
	354	function. Returns zero if GDB cannot or should not dump core.
	355	If LIMIT_KIND is LIMIT_CUR the user's soft limit will be respected.
	356	If LIMIT_KIND is LIMIT_MAX only the hard limit will be respected. */
	357
	358	extern int can_dump_core (enum resource_limit_kind limit_kind);
	359
	360	/* Print a warning that we cannot dump core. */
	361
	362	extern void warn_cant_dump_core (const char *reason);
	363
	364	/* Dump core trying to increase the core soft limit to hard limit
	365	first. */
	366
	367	extern void dump_core (void);
	368
7c50a931 DE	369	/* Return the hex string form of LENGTH bytes of DATA.
	370	Space for the result is malloc'd, caller must free. */
	371
	372	extern char make_hex_string (const gdb_byte data, size_t length);
	373
48faced0	374	#endif /* UTILS_H */