[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) 1986-2016 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 *);

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 *));

/* For make_cleanup_close see common/filestuff.h.  */

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_out (struct ui_out **variable);
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);

extern int count_path_elements (const char *path);

extern const char *strip_leading_path_elements (const char *path, int n);
\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;

extern struct ui_file **current_ui_gdb_stdout_ptr (void);
extern struct ui_file **current_ui_gdb_stdin_ptr (void);
extern struct ui_file **current_ui_gdb_stderr_ptr (void);
extern struct ui_file **current_ui_gdb_stdlog_ptr (void);

/* The current top level's ui_file streams.  */

/* Normal results */
#define gdb_stdout (*current_ui_gdb_stdout_ptr ())
/* Input stream */
#define gdb_stdin (*current_ui_gdb_stdin_ptr ())
/* Serious error notifications */
#define gdb_stderr (*current_ui_gdb_stderr_ptr ())
/* 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).  */
#define gdb_stdlog (*current_ui_gdb_stdlog_ptr ())

/* Truly global ui_file streams.  These are all defined in main.c.  */

/* 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_1 (const void *addr, struct ui_file *stream);

/* Wrapper that avoids adding a pointless cast to all callers.  */
#define gdb_print_host_address(ADDR, STREAM) \
  gdb_print_host_address_1 ((const void *) ADDR, 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.
618f726f	4	Copyright (C) 1986-2016 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
48faced0 DE	40	int compare_positive_ints (const void ap, const void bp);
	41	int compare_strings (const void ap, const void bp);
	42
48faced0 DE	43	/* A wrapper for bfd_errmsg to produce a more helpful error message
	44	in the case of bfd_error_file_ambiguously recognized.
	45	MATCHING, if non-NULL, is the corresponding argument to
	46	bfd_check_format_matches, and will be freed. */
	47
	48	extern const char gdb_bfd_errmsg (bfd_error_type error_tag, char *matching);
bd712aed DE	49
	50	/* Reset the prompt_for_continue clock. */
	51	void reset_prompt_for_continue_wait_time (void);
	52	/* Return the time spent in prompt_for_continue. */
	53	struct timeval get_prompt_for_continue_wait_time (void);
48faced0 DE	54	\f
	55	/* Parsing utilites. */
	56
c0939df1	57	extern int parse_pid_to_attach (const char *args);
48faced0	58
d7561cbb	59	extern int parse_escape (struct gdbarch , const char *);
48faced0 DE	60
	61	char *gdb_buildargv (const char );
	62	\f
	63	/* Cleanup utilities. */
	64
	65	extern struct cleanup make_cleanup_freeargv (char *);
	66
	67	struct dyn_string;
	68	extern struct cleanup make_cleanup_dyn_string_delete (struct dyn_string );
	69
	70	struct ui_file;
	71	extern struct cleanup make_cleanup_ui_file_delete (struct ui_file );
	72
	73	struct ui_out;
	74	extern struct cleanup *
	75	make_cleanup_ui_out_redirect_pop (struct ui_out *uiout);
	76
	77	struct section_addr_info;
	78	extern struct cleanup *(make_cleanup_free_section_addr_info
	79	(struct section_addr_info *));
	80
ca095836	81	/* For make_cleanup_close see common/filestuff.h. */
48faced0 DE	82
	83	extern struct cleanup make_cleanup_fclose (FILE file);
	84
	85	extern struct cleanup make_cleanup_bfd_unref (bfd abfd);
	86
	87	struct obstack;
	88	extern struct cleanup make_cleanup_obstack_free (struct obstack obstack);
	89
	90	extern struct cleanup make_cleanup_restore_integer (int variable);
	91	extern struct cleanup make_cleanup_restore_uinteger (unsigned int variable);
	92
	93	struct target_ops;
	94	extern struct cleanup make_cleanup_unpush_target (struct target_ops ops);
	95
e7ea3ec7 CU	96
	97	extern struct cleanup *
	98	make_cleanup_restore_ui_out (struct ui_out **variable);
48faced0 DE	99	extern struct cleanup *
	100	make_cleanup_restore_ui_file (struct ui_file **variable);
	101
	102	extern struct cleanup make_cleanup_value_free_to_mark (struct value );
	103	extern struct cleanup make_cleanup_value_free (struct value );
	104
	105	struct so_list;
	106	extern struct cleanup make_cleanup_free_so (struct so_list so);
	107
5b12a61c JK	108	extern struct cleanup *make_cleanup_restore_current_language (void);
5b12a61c JK	109
48faced0 DE	110	extern struct cleanup *make_cleanup_htab_delete (htab_t htab);
48faced0 DE	111
410a0ff2 SDJ	112	struct parser_state;
	113	extern struct cleanup *make_cleanup_clear_parser_state
	114	(struct parser_state **p);
	115
48faced0 DE	116	extern void free_current_contents (void *);
48faced0 DE	117
48faced0 DE	118	extern void init_page_info (void);
	119
	120	extern struct cleanup *make_cleanup_restore_page_info (void);
	121	extern struct cleanup *
	122	set_batch_flag_and_make_cleanup_restore_page_info (void);
	123
	124	extern struct cleanup *make_bpstat_clear_actions_cleanup (void);
	125	\f
	126	/* Path utilities. */
	127
	128	extern char gdb_realpath (const char );
	129
4856b6bc JK	130	extern char gdb_realpath_keepfile (const char );
4856b6bc JK	131
04affae3 JK	132	extern char gdb_abspath (const char );
04affae3 JK	133
48faced0 DE	134	extern int gdb_filename_fnmatch (const char pattern, const char string,
	135	int flags);
	136
	137	extern void substitute_path_component (char *stringp, const char from,
	138	const char *to);
	139
	140	char ldirname (const char filename);
cce0e923 DE	141
	142	extern int count_path_elements (const char *path);
	143
	144	extern const char strip_leading_path_elements (const char path, int n);
48faced0 DE	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
79aa2fe8 PA	162	extern struct ui_file **current_ui_gdb_stdout_ptr (void);
	163	extern struct ui_file **current_ui_gdb_stdin_ptr (void);
	164	extern struct ui_file **current_ui_gdb_stderr_ptr (void);
	165	extern struct ui_file **current_ui_gdb_stdlog_ptr (void);
	166
	167	/* The current top level's ui_file streams. */
	168
48faced0	169	/* Normal results */
79aa2fe8	170	#define gdb_stdout (*current_ui_gdb_stdout_ptr ())
48faced0	171	/* Input stream */
79aa2fe8	172	#define gdb_stdin (*current_ui_gdb_stdin_ptr ())
48faced0	173	/* Serious error notifications */
79aa2fe8	174	#define gdb_stderr (*current_ui_gdb_stderr_ptr ())
48faced0 DE	175	/* Log/debug/trace messages that should bypass normal stdout/stderr
	176	filtering. For moment, always call this stream using
	177	*_unfiltered. In the very near future that restriction shall be
	178	removed - either call shall be unfiltered. (cagney 1999-06-13). */
79aa2fe8 PA	179	#define gdb_stdlog (*current_ui_gdb_stdlog_ptr ())
	180
	181	/* Truly global ui_file streams. These are all defined in main.c. */
	182
48faced0 DE	183	/* Target output that should bypass normal stdout/stderr filtering.
	184	For moment, always call this stream using *_unfiltered. In the
	185	very near future that restriction shall be removed - either call
	186	shall be unfiltered. (cagney 1999-07-02). */
	187	extern struct ui_file *gdb_stdtarg;
	188	extern struct ui_file *gdb_stdtargerr;
	189	extern struct ui_file *gdb_stdtargin;
	190
d6e5e7f7 PP	191	/* Set the screen dimensions to WIDTH and HEIGHT. */
	192
	193	extern void set_screen_width_and_height (int width, int height);
	194
48faced0 DE	195	/* More generic printf like operations. Filtered versions may return
	196	non-locally on error. */
	197
	198	extern void fputs_filtered (const char , struct ui_file );
	199
	200	extern void fputs_unfiltered (const char , struct ui_file );
	201
	202	extern int fputc_filtered (int c, struct ui_file *);
	203
	204	extern int fputc_unfiltered (int c, struct ui_file *);
	205
	206	extern int putchar_filtered (int c);
	207
	208	extern int putchar_unfiltered (int c);
	209
	210	extern void puts_filtered (const char *);
	211
	212	extern void puts_unfiltered (const char *);
	213
	214	extern void puts_filtered_tabular (char *string, int width, int right);
	215
	216	extern void puts_debug (char prefix, char string, char *suffix);
	217
	218	extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
	219
	220	extern void vfprintf_filtered (struct ui_file , const char , va_list)
	221	ATTRIBUTE_PRINTF (2, 0);
	222
	223	extern void fprintf_filtered (struct ui_file , const char , ...)
	224	ATTRIBUTE_PRINTF (2, 3);
	225
	226	extern void fprintfi_filtered (int, struct ui_file , const char , ...)
	227	ATTRIBUTE_PRINTF (3, 4);
	228
	229	extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	230
	231	extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
	232
	233	extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
	234
	235	extern void vfprintf_unfiltered (struct ui_file , const char , va_list)
	236	ATTRIBUTE_PRINTF (2, 0);
	237
	238	extern void fprintf_unfiltered (struct ui_file , const char , ...)
	239	ATTRIBUTE_PRINTF (2, 3);
	240
	241	extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	242
	243	extern void print_spaces (int, struct ui_file *);
	244
	245	extern void print_spaces_filtered (int, struct ui_file *);
	246
	247	extern char *n_spaces (int);
	248
	249	extern void fputstr_filtered (const char *str, int quotr,
	250	struct ui_file * stream);
	251
	252	extern void fputstr_unfiltered (const char *str, int quotr,
	253	struct ui_file * stream);
	254
	255	extern void fputstrn_filtered (const char *str, int n, int quotr,
	256	struct ui_file * stream);
	257
	258	extern void fputstrn_unfiltered (const char *str, int n, int quotr,
259	struct ui_file * stream);
260
2437fd32 GB	261	/* Return nonzero if filtered printing is initialized. */
	262	extern int filtered_printing_initialized (void);
	263
48faced0	264	/* Display the host ADDR on STREAM formatted as ``0x%x''. */
b80c3053 PA	265	extern void gdb_print_host_address_1 (const void addr, struct ui_file stream);
	266
	267	/* Wrapper that avoids adding a pointless cast to all callers. */
	268	#define gdb_print_host_address(ADDR, STREAM) \
	269	gdb_print_host_address_1 ((const void *) ADDR, STREAM)
48faced0	270
48faced0 DE	271	/* Convert CORE_ADDR to string in platform-specific manner.
	272	This is usually formatted similar to 0x%lx. */
	273	extern const char paddress (struct gdbarch gdbarch, CORE_ADDR addr);
	274
	275	/* Return a string representation in hexadecimal notation of ADDRESS,
	276	which is suitable for printing. */
	277
	278	extern const char print_core_address (struct gdbarch gdbarch,
	279	CORE_ADDR address);
	280
	281	/* Callback hash_f and eq_f for htab_create_alloc or htab_create_alloc_ex. */
	282	extern hashval_t core_addr_hash (const void *ap);
	283	extern int core_addr_eq (const void ap, const void bp);
	284
48faced0 DE	285	extern CORE_ADDR string_to_core_addr (const char *my_string);
48faced0 DE	286
48faced0 DE	287	extern void fprintf_symbol_filtered (struct ui_file , const char ,
	288	enum language, int);
	289
598d3636 JK	290	extern void throw_perror_with_name (enum errors errcode, const char *string)
598d3636 JK	291	ATTRIBUTE_NORETURN;
48faced0	292
7c647d61 JB	293	extern void perror_warning_with_name (const char *string);
7c647d61 JB	294
48faced0 DE	295	extern void print_sys_errmsg (const char *, int);
	296	\f
	297	/* Warnings and error messages. */
	298
	299	extern void (*deprecated_error_begin_hook) (void);
	300
48faced0 DE	301	/* Message to be printed before the warning message, when a warning occurs. */
	302
	303	extern char *warning_pre_print;
	304
48faced0 DE	305	extern void error_stream (struct ui_file *) ATTRIBUTE_NORETURN;
48faced0 DE	306
57fcfb1b GB	307	extern void demangler_vwarning (const char *file, int line,
	308	const char *, va_list ap)
	309	ATTRIBUTE_PRINTF (3, 0);
	310
	311	extern void demangler_warning (const char *file, int line,
	312	const char *, ...) ATTRIBUTE_PRINTF (3, 4);
	313
48faced0 DE	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);
cc7039d3	327	extern int producer_is_gcc (const char producer, int major, int *minor);
48faced0	328
48faced0 DE	329	extern int myread (int, char *, int);
	330
	331	/* Ensure that V is aligned to an N byte boundary (B's assumed to be a
	332	power of 2). Round up/down when necessary. Examples of correct
	333	use include:
	334
	335	addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
	336	write_memory (addr, value, len);
	337	addr += len;
	338
	339	and:
	340
	341	sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
	342	write_memory (sp, value, len);
	343
	344	Note that uses such as:
	345
	346	write_memory (addr, value, len);
	347	addr += align_up (len, 8);
	348
	349	and:
	350
	351	sp -= align_up (len, 8);
	352	write_memory (sp, value, len);
	353
	354	are typically not correct as they don't ensure that the address (SP
	355	or ADDR) is correctly aligned (relying on previous alignment to
	356	keep things right). This is also why the methods are called
	357	"align_..." instead of "round_..." as the latter reads better with
	358	this incorrect coding style. */
	359
	360	extern ULONGEST align_up (ULONGEST v, int n);
	361	extern ULONGEST align_down (ULONGEST v, int n);
	362
eae7090b GB	363	/* Resource limits used by getrlimit and setrlimit. */
	364
	365	enum resource_limit_kind
	366	{
	367	LIMIT_CUR,
	368	LIMIT_MAX
	369	};
	370
	371	/* Check whether GDB will be able to dump core using the dump_core
	372	function. Returns zero if GDB cannot or should not dump core.
	373	If LIMIT_KIND is LIMIT_CUR the user's soft limit will be respected.
	374	If LIMIT_KIND is LIMIT_MAX only the hard limit will be respected. */
	375
	376	extern int can_dump_core (enum resource_limit_kind limit_kind);
	377
	378	/* Print a warning that we cannot dump core. */
	379
	380	extern void warn_cant_dump_core (const char *reason);
	381
	382	/* Dump core trying to increase the core soft limit to hard limit
	383	first. */
	384
	385	extern void dump_core (void);
	386
7c50a931 DE	387	/* Return the hex string form of LENGTH bytes of DATA.
	388	Space for the result is malloc'd, caller must free. */
	389
	390	extern char make_hex_string (const gdb_byte data, size_t length);
	391
48faced0	392	#endif /* UTILS_H */