[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 <stdbool.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;

/* 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 bool 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
b1ffba5a MW	24	#include <stdbool.h>
b1ffba5a MW	25
af880d85	26	#include "exceptions.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
48faced0 DE	47	/* A wrapper for bfd_errmsg to produce a more helpful error message
	48	in the case of bfd_error_file_ambiguously recognized.
	49	MATCHING, if non-NULL, is the corresponding argument to
	50	bfd_check_format_matches, and will be freed. */
	51
	52	extern const char gdb_bfd_errmsg (bfd_error_type error_tag, char *matching);
bd712aed DE	53
	54	/* Reset the prompt_for_continue clock. */
	55	void reset_prompt_for_continue_wait_time (void);
	56	/* Return the time spent in prompt_for_continue. */
	57	struct timeval get_prompt_for_continue_wait_time (void);
48faced0 DE	58	\f
	59	/* Parsing utilites. */
	60
c0939df1	61	extern int parse_pid_to_attach (const char *args);
48faced0	62
d7561cbb	63	extern int parse_escape (struct gdbarch , const char *);
48faced0 DE	64
	65	char *gdb_buildargv (const char );
	66	\f
	67	/* Cleanup utilities. */
	68
	69	extern struct cleanup make_cleanup_freeargv (char *);
	70
	71	struct dyn_string;
	72	extern struct cleanup make_cleanup_dyn_string_delete (struct dyn_string );
	73
	74	struct ui_file;
	75	extern struct cleanup make_cleanup_ui_file_delete (struct ui_file );
	76
	77	struct ui_out;
	78	extern struct cleanup *
	79	make_cleanup_ui_out_redirect_pop (struct ui_out *uiout);
	80
	81	struct section_addr_info;
	82	extern struct cleanup *(make_cleanup_free_section_addr_info
	83	(struct section_addr_info *));
	84
	85	extern struct cleanup *make_cleanup_close (int fd);
	86
	87	extern struct cleanup make_cleanup_fclose (FILE file);
	88
	89	extern struct cleanup make_cleanup_bfd_unref (bfd abfd);
	90
	91	struct obstack;
	92	extern struct cleanup make_cleanup_obstack_free (struct obstack obstack);
	93
	94	extern struct cleanup make_cleanup_restore_integer (int variable);
	95	extern struct cleanup make_cleanup_restore_uinteger (unsigned int variable);
	96
	97	struct target_ops;
	98	extern struct cleanup make_cleanup_unpush_target (struct target_ops ops);
	99
	100	extern struct cleanup *
	101	make_cleanup_restore_ui_file (struct ui_file **variable);
	102
	103	extern struct cleanup make_cleanup_value_free_to_mark (struct value );
	104	extern struct cleanup make_cleanup_value_free (struct value );
	105
	106	struct so_list;
	107	extern struct cleanup make_cleanup_free_so (struct so_list so);
	108
5b12a61c JK	109	extern struct cleanup *make_cleanup_restore_current_language (void);
5b12a61c JK	110
48faced0 DE	111	extern struct cleanup *make_cleanup_htab_delete (htab_t htab);
48faced0 DE	112
410a0ff2 SDJ	113	struct parser_state;
	114	extern struct cleanup *make_cleanup_clear_parser_state
	115	(struct parser_state **p);
	116
48faced0 DE	117	extern void free_current_contents (void *);
48faced0 DE	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
04affae3 JK	133	extern char gdb_abspath (const char );
04affae3 JK	134
48faced0 DE	135	extern int gdb_filename_fnmatch (const char pattern, const char string,
	136	int flags);
	137
	138	extern void substitute_path_component (char *stringp, const char from,
	139	const char *to);
	140
	141	char ldirname (const char filename);
	142	\f
	143	/* GDB output, ui_file utilities. */
	144
	145	struct ui_file;
	146
48faced0 DE	147	extern int query (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	148	extern int nquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	149	extern int yquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	150
	151	extern void begin_line (void);
	152
	153	extern void wrap_here (char *);
	154
	155	extern void reinitialize_more_filter (void);
	156
74da6f00 PA	157	extern int pagination_enabled;
74da6f00 PA	158
48faced0 DE	159	/* Global ui_file streams. These are all defined in main.c. */
	160	/* Normal results */
	161	extern struct ui_file *gdb_stdout;
	162	/* Input stream */
	163	extern struct ui_file *gdb_stdin;
	164	/* Serious error notifications */
	165	extern struct ui_file *gdb_stderr;
	166	/* Log/debug/trace messages that should bypass normal stdout/stderr
	167	filtering. For moment, always call this stream using
	168	*_unfiltered. In the very near future that restriction shall be
	169	removed - either call shall be unfiltered. (cagney 1999-06-13). */
	170	extern struct ui_file *gdb_stdlog;
	171	/* Target output that should bypass normal stdout/stderr filtering.
	172	For moment, always call this stream using *_unfiltered. In the
	173	very near future that restriction shall be removed - either call
	174	shall be unfiltered. (cagney 1999-07-02). */
	175	extern struct ui_file *gdb_stdtarg;
	176	extern struct ui_file *gdb_stdtargerr;
	177	extern struct ui_file *gdb_stdtargin;
	178
	179	/* More generic printf like operations. Filtered versions may return
	180	non-locally on error. */
	181
	182	extern void fputs_filtered (const char , struct ui_file );
	183
	184	extern void fputs_unfiltered (const char , struct ui_file );
	185
	186	extern int fputc_filtered (int c, struct ui_file *);
	187
	188	extern int fputc_unfiltered (int c, struct ui_file *);
	189
	190	extern int putchar_filtered (int c);
	191
	192	extern int putchar_unfiltered (int c);
	193
	194	extern void puts_filtered (const char *);
	195
	196	extern void puts_unfiltered (const char *);
	197
	198	extern void puts_filtered_tabular (char *string, int width, int right);
	199
	200	extern void puts_debug (char prefix, char string, char *suffix);
	201
	202	extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
	203
	204	extern void vfprintf_filtered (struct ui_file , const char , va_list)
	205	ATTRIBUTE_PRINTF (2, 0);
	206
	207	extern void fprintf_filtered (struct ui_file , const char , ...)
	208	ATTRIBUTE_PRINTF (2, 3);
	209
	210	extern void fprintfi_filtered (int, struct ui_file , const char , ...)
	211	ATTRIBUTE_PRINTF (3, 4);
	212
	213	extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	214
	215	extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
	216
	217	extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
	218
	219	extern void vfprintf_unfiltered (struct ui_file , const char , va_list)
	220	ATTRIBUTE_PRINTF (2, 0);
	221
	222	extern void fprintf_unfiltered (struct ui_file , const char , ...)
223	ATTRIBUTE_PRINTF (2, 3);
224
225	extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
226
227	extern void print_spaces (int, struct ui_file *);
228
229	extern void print_spaces_filtered (int, struct ui_file *);
230
231	extern char *n_spaces (int);
232
233	extern void fputstr_filtered (const char *str, int quotr,
234	struct ui_file * stream);
235
236	extern void fputstr_unfiltered (const char *str, int quotr,
237	struct ui_file * stream);
238
239	extern void fputstrn_filtered (const char *str, int n, int quotr,
240	struct ui_file * stream);
241
242	extern void fputstrn_unfiltered (const char *str, int n, int quotr,
243	struct ui_file * stream);
244
2437fd32 GB	245	/* Return nonzero if filtered printing is initialized. */
	246	extern int filtered_printing_initialized (void);
	247
48faced0 DE	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	272
7c647d61 JB	273	extern void perror_warning_with_name (const char *string);
7c647d61 JB	274
48faced0 DE	275	extern void print_sys_errmsg (const char *, int);
	276	\f
	277	/* Warnings and error messages. */
	278
	279	extern void (*deprecated_error_begin_hook) (void);
	280
48faced0 DE	281	/* Message to be printed before the warning message, when a warning occurs. */
	282
	283	extern char *warning_pre_print;
	284
48faced0 DE	285	extern void error_stream (struct ui_file *) ATTRIBUTE_NORETURN;
48faced0 DE	286
57fcfb1b GB	287	extern void demangler_vwarning (const char *file, int line,
	288	const char *, va_list ap)
	289	ATTRIBUTE_PRINTF (3, 0);
	290
	291	extern void demangler_warning (const char *file, int line,
	292	const char *, ...) ATTRIBUTE_PRINTF (3, 4);
	293
48faced0 DE	294	\f
	295	/* Misc. utilities. */
	296
	297	/* Allocation and deallocation functions for the libiberty hash table
	298	which use obstacks. */
	299	void hashtab_obstack_allocate (void data, size_t size, size_t count);
	300	void dummy_obstack_deallocate (void object, void data);
	301
	302	#ifdef HAVE_WAITPID
	303	extern pid_t wait_to_die_with_timeout (pid_t pid, int *status, int timeout);
	304	#endif
	305
	306	extern int producer_is_gcc_ge_4 (const char *producer);
b1ffba5a	307	extern bool producer_is_gcc (const char producer, int major, int *minor);
48faced0	308
48faced0 DE	309	extern int myread (int, char *, int);
	310
	311	/* Ensure that V is aligned to an N byte boundary (B's assumed to be a
	312	power of 2). Round up/down when necessary. Examples of correct
	313	use include:
	314
	315	addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
	316	write_memory (addr, value, len);
	317	addr += len;
	318
	319	and:
	320
	321	sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
	322	write_memory (sp, value, len);
	323
	324	Note that uses such as:
	325
	326	write_memory (addr, value, len);
	327	addr += align_up (len, 8);
	328
	329	and:
	330
	331	sp -= align_up (len, 8);
	332	write_memory (sp, value, len);
	333
	334	are typically not correct as they don't ensure that the address (SP
	335	or ADDR) is correctly aligned (relying on previous alignment to
	336	keep things right). This is also why the methods are called
	337	"align_..." instead of "round_..." as the latter reads better with
	338	this incorrect coding style. */
	339
	340	extern ULONGEST align_up (ULONGEST v, int n);
	341	extern ULONGEST align_down (ULONGEST v, int n);
	342
eae7090b GB	343	/* Resource limits used by getrlimit and setrlimit. */
	344
	345	enum resource_limit_kind
	346	{
	347	LIMIT_CUR,
	348	LIMIT_MAX
	349	};
	350
	351	/* Check whether GDB will be able to dump core using the dump_core
	352	function. Returns zero if GDB cannot or should not dump core.
	353	If LIMIT_KIND is LIMIT_CUR the user's soft limit will be respected.
	354	If LIMIT_KIND is LIMIT_MAX only the hard limit will be respected. */
	355
	356	extern int can_dump_core (enum resource_limit_kind limit_kind);
	357
	358	/* Print a warning that we cannot dump core. */
	359
	360	extern void warn_cant_dump_core (const char *reason);
	361
	362	/* Dump core trying to increase the core soft limit to hard limit
	363	first. */
	364
	365	extern void dump_core (void);
	366
7c50a931 DE	367	/* Return the hex string form of LENGTH bytes of DATA.
	368	Space for the result is malloc'd, caller must free. */
	369
	370	extern char make_hex_string (const gdb_byte data, size_t length);
	371
48faced0	372	#endif /* UTILS_H */