[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) 1986-2017 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"
#include "common/scoped_restore.h"
#include <chrono>

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.  */
std::chrono::steady_clock::duration get_prompt_for_continue_wait_time ();
\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 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);

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_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);

/* A deleter for a hash table.  */
struct htab_deleter
{
  void operator() (htab *ptr) const
  {
    htab_delete (ptr);
  }
};

/* A unique_ptr wrapper for htab_t.  */
typedef std::unique_ptr<htab, htab_deleter> htab_up;

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 (const 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 (const string_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.
61baf725	4	Copyright (C) 1986-2017 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"
b7b633e9	25	#include "common/scoped_restore.h"
dcb07cfa	26	#include <chrono>
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
48faced0 DE	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. */
dcb07cfa	55	std::chrono::steady_clock::duration get_prompt_for_continue_wait_time ();
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
48faced0 DE	69	struct ui_out;
	70	extern struct cleanup *
	71	make_cleanup_ui_out_redirect_pop (struct ui_out *uiout);
	72
	73	struct section_addr_info;
	74	extern struct cleanup *(make_cleanup_free_section_addr_info
	75	(struct section_addr_info *));
	76
ca095836	77	/* For make_cleanup_close see common/filestuff.h. */
48faced0 DE	78
	79	extern struct cleanup make_cleanup_fclose (FILE file);
	80
48faced0 DE	81	struct obstack;
	82	extern struct cleanup make_cleanup_obstack_free (struct obstack obstack);
	83
	84	extern struct cleanup make_cleanup_restore_integer (int variable);
	85	extern struct cleanup make_cleanup_restore_uinteger (unsigned int variable);
	86
	87	struct target_ops;
	88	extern struct cleanup make_cleanup_unpush_target (struct target_ops ops);
	89
48faced0 DE	90	extern struct cleanup make_cleanup_value_free_to_mark (struct value );
	91	extern struct cleanup make_cleanup_value_free (struct value );
	92
	93	struct so_list;
	94	extern struct cleanup make_cleanup_free_so (struct so_list so);
	95
5b12a61c JK	96	extern struct cleanup *make_cleanup_restore_current_language (void);
5b12a61c JK	97
6349f452 TT	98	/* A deleter for a hash table. */
	99	struct htab_deleter
	100	{
	101	void operator() (htab *ptr) const
	102	{
	103	htab_delete (ptr);
	104	}
	105	};
	106
	107	/* A unique_ptr wrapper for htab_t. */
	108	typedef std::unique_ptr<htab, htab_deleter> htab_up;
	109
410a0ff2 SDJ	110	struct parser_state;
	111	extern struct cleanup *make_cleanup_clear_parser_state
	112	(struct parser_state **p);
	113
48faced0 DE	114	extern void free_current_contents (void *);
48faced0 DE	115
48faced0 DE	116	extern void init_page_info (void);
	117
	118	extern struct cleanup *make_cleanup_restore_page_info (void);
	119	extern struct cleanup *
	120	set_batch_flag_and_make_cleanup_restore_page_info (void);
	121
	122	extern struct cleanup *make_bpstat_clear_actions_cleanup (void);
	123	\f
	124	/* Path utilities. */
	125
	126	extern char gdb_realpath (const char );
	127
4856b6bc JK	128	extern char gdb_realpath_keepfile (const char );
4856b6bc JK	129
04affae3 JK	130	extern char gdb_abspath (const char );
04affae3 JK	131
48faced0 DE	132	extern int gdb_filename_fnmatch (const char pattern, const char string,
	133	int flags);
	134
	135	extern void substitute_path_component (char *stringp, const char from,
	136	const char *to);
	137
	138	char ldirname (const char filename);
cce0e923 DE	139
	140	extern int count_path_elements (const char *path);
	141
	142	extern const char strip_leading_path_elements (const char path, int n);
48faced0 DE	143	\f
	144	/* GDB output, ui_file utilities. */
	145
	146	struct ui_file;
	147
48faced0 DE	148	extern int query (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	149	extern int nquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	150	extern int yquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	151
	152	extern void begin_line (void);
	153
d2c0eef4	154	extern void wrap_here (const char *);
48faced0 DE	155
	156	extern void reinitialize_more_filter (void);
	157
74da6f00 PA	158	extern int pagination_enabled;
74da6f00 PA	159
79aa2fe8 PA	160	extern struct ui_file **current_ui_gdb_stdout_ptr (void);
	161	extern struct ui_file **current_ui_gdb_stdin_ptr (void);
	162	extern struct ui_file **current_ui_gdb_stderr_ptr (void);
	163	extern struct ui_file **current_ui_gdb_stdlog_ptr (void);
	164
	165	/* The current top level's ui_file streams. */
	166
48faced0	167	/* Normal results */
79aa2fe8	168	#define gdb_stdout (*current_ui_gdb_stdout_ptr ())
48faced0	169	/* Input stream */
79aa2fe8	170	#define gdb_stdin (*current_ui_gdb_stdin_ptr ())
48faced0	171	/* Serious error notifications */
79aa2fe8	172	#define gdb_stderr (*current_ui_gdb_stderr_ptr ())
48faced0 DE	173	/* Log/debug/trace messages that should bypass normal stdout/stderr
	174	filtering. For moment, always call this stream using
	175	*_unfiltered. In the very near future that restriction shall be
	176	removed - either call shall be unfiltered. (cagney 1999-06-13). */
79aa2fe8 PA	177	#define gdb_stdlog (*current_ui_gdb_stdlog_ptr ())
	178
	179	/* Truly global ui_file streams. These are all defined in main.c. */
	180
48faced0 DE	181	/* Target output that should bypass normal stdout/stderr filtering.
	182	For moment, always call this stream using *_unfiltered. In the
	183	very near future that restriction shall be removed - either call
	184	shall be unfiltered. (cagney 1999-07-02). */
	185	extern struct ui_file *gdb_stdtarg;
	186	extern struct ui_file *gdb_stdtargerr;
	187	extern struct ui_file *gdb_stdtargin;
	188
d6e5e7f7 PP	189	/* Set the screen dimensions to WIDTH and HEIGHT. */
	190
	191	extern void set_screen_width_and_height (int width, int height);
	192
48faced0 DE	193	/* More generic printf like operations. Filtered versions may return
	194	non-locally on error. */
	195
	196	extern void fputs_filtered (const char , struct ui_file );
	197
	198	extern void fputs_unfiltered (const char , struct ui_file );
	199
	200	extern int fputc_filtered (int c, struct ui_file *);
	201
	202	extern int fputc_unfiltered (int c, struct ui_file *);
	203
	204	extern int putchar_filtered (int c);
	205
	206	extern int putchar_unfiltered (int c);
	207
	208	extern void puts_filtered (const char *);
	209
	210	extern void puts_unfiltered (const char *);
	211
	212	extern void puts_filtered_tabular (char *string, int width, int right);
	213
	214	extern void puts_debug (char prefix, char string, char *suffix);
	215
	216	extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
	217
	218	extern void vfprintf_filtered (struct ui_file , const char , va_list)
	219	ATTRIBUTE_PRINTF (2, 0);
	220
	221	extern void fprintf_filtered (struct ui_file , const char , ...)
	222	ATTRIBUTE_PRINTF (2, 3);
	223
	224	extern void fprintfi_filtered (int, struct ui_file , const char , ...)
	225	ATTRIBUTE_PRINTF (3, 4);
	226
	227	extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	228
	229	extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
	230
	231	extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
	232
	233	extern void vfprintf_unfiltered (struct ui_file , const char , va_list)
	234	ATTRIBUTE_PRINTF (2, 0);
	235
	236	extern void fprintf_unfiltered (struct ui_file , const char , ...)
	237	ATTRIBUTE_PRINTF (2, 3);
	238
	239	extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	240
	241	extern void print_spaces (int, struct ui_file *);
	242
	243	extern void print_spaces_filtered (int, struct ui_file *);
	244
	245	extern char *n_spaces (int);
	246
	247	extern void fputstr_filtered (const char *str, int quotr,
	248	struct ui_file * stream);
	249
	250	extern void fputstr_unfiltered (const char *str, int quotr,
	251	struct ui_file * stream);
	252
	253	extern void fputstrn_filtered (const char *str, int n, int quotr,
	254	struct ui_file * stream);
	255
	256	extern void fputstrn_unfiltered (const char *str, int n, int quotr,
257	struct ui_file * stream);
258
2437fd32 GB	259	/* Return nonzero if filtered printing is initialized. */
	260	extern int filtered_printing_initialized (void);
	261
48faced0	262	/* Display the host ADDR on STREAM formatted as ``0x%x''. */
b80c3053 PA	263	extern void gdb_print_host_address_1 (const void addr, struct ui_file stream);
	264
	265	/* Wrapper that avoids adding a pointless cast to all callers. */
	266	#define gdb_print_host_address(ADDR, STREAM) \
	267	gdb_print_host_address_1 ((const void *) ADDR, STREAM)
48faced0	268
48faced0 DE	269	/* Convert CORE_ADDR to string in platform-specific manner.
	270	This is usually formatted similar to 0x%lx. */
	271	extern const char paddress (struct gdbarch gdbarch, CORE_ADDR addr);
	272
	273	/* Return a string representation in hexadecimal notation of ADDRESS,
	274	which is suitable for printing. */
	275
	276	extern const char print_core_address (struct gdbarch gdbarch,
	277	CORE_ADDR address);
	278
	279	/* Callback hash_f and eq_f for htab_create_alloc or htab_create_alloc_ex. */
	280	extern hashval_t core_addr_hash (const void *ap);
	281	extern int core_addr_eq (const void ap, const void bp);
	282
48faced0 DE	283	extern CORE_ADDR string_to_core_addr (const char *my_string);
48faced0 DE	284
48faced0 DE	285	extern void fprintf_symbol_filtered (struct ui_file , const char ,
	286	enum language, int);
	287
598d3636 JK	288	extern void throw_perror_with_name (enum errors errcode, const char *string)
598d3636 JK	289	ATTRIBUTE_NORETURN;
48faced0	290
7c647d61 JB	291	extern void perror_warning_with_name (const char *string);
7c647d61 JB	292
48faced0 DE	293	extern void print_sys_errmsg (const char *, int);
	294	\f
	295	/* Warnings and error messages. */
	296
	297	extern void (*deprecated_error_begin_hook) (void);
	298
48faced0 DE	299	/* Message to be printed before the warning message, when a warning occurs. */
	300
	301	extern char *warning_pre_print;
	302
d7e74731	303	extern void error_stream (const string_file &) ATTRIBUTE_NORETURN;
48faced0	304
57fcfb1b GB	305	extern void demangler_vwarning (const char *file, int line,
	306	const char *, va_list ap)
	307	ATTRIBUTE_PRINTF (3, 0);
	308
	309	extern void demangler_warning (const char *file, int line,
	310	const char *, ...) ATTRIBUTE_PRINTF (3, 4);
	311
48faced0 DE	312	\f
	313	/* Misc. utilities. */
	314
	315	/* Allocation and deallocation functions for the libiberty hash table
	316	which use obstacks. */
	317	void hashtab_obstack_allocate (void data, size_t size, size_t count);
	318	void dummy_obstack_deallocate (void object, void data);
	319
	320	#ifdef HAVE_WAITPID
	321	extern pid_t wait_to_die_with_timeout (pid_t pid, int *status, int timeout);
	322	#endif
	323
	324	extern int producer_is_gcc_ge_4 (const char *producer);
cc7039d3	325	extern int producer_is_gcc (const char producer, int major, int *minor);
48faced0	326
48faced0 DE	327	extern int myread (int, char *, int);
	328
	329	/* Ensure that V is aligned to an N byte boundary (B's assumed to be a
	330	power of 2). Round up/down when necessary. Examples of correct
	331	use include:
	332
	333	addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
	334	write_memory (addr, value, len);
	335	addr += len;
	336
	337	and:
	338
	339	sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
	340	write_memory (sp, value, len);
	341
	342	Note that uses such as:
	343
	344	write_memory (addr, value, len);
	345	addr += align_up (len, 8);
	346
	347	and:
	348
	349	sp -= align_up (len, 8);
	350	write_memory (sp, value, len);
	351
	352	are typically not correct as they don't ensure that the address (SP
	353	or ADDR) is correctly aligned (relying on previous alignment to
	354	keep things right). This is also why the methods are called
	355	"align_..." instead of "round_..." as the latter reads better with
	356	this incorrect coding style. */
	357
	358	extern ULONGEST align_up (ULONGEST v, int n);
	359	extern ULONGEST align_down (ULONGEST v, int n);
	360
eae7090b GB	361	/* Resource limits used by getrlimit and setrlimit. */
	362
	363	enum resource_limit_kind
	364	{
	365	LIMIT_CUR,
	366	LIMIT_MAX
	367	};
	368
	369	/* Check whether GDB will be able to dump core using the dump_core
	370	function. Returns zero if GDB cannot or should not dump core.
	371	If LIMIT_KIND is LIMIT_CUR the user's soft limit will be respected.
	372	If LIMIT_KIND is LIMIT_MAX only the hard limit will be respected. */
	373
	374	extern int can_dump_core (enum resource_limit_kind limit_kind);
	375
	376	/* Print a warning that we cannot dump core. */
	377
	378	extern void warn_cant_dump_core (const char *reason);
	379
	380	/* Dump core trying to increase the core soft limit to hard limit
	381	first. */
	382
	383	extern void dump_core (void);
	384
7c50a931 DE	385	/* Return the hex string form of LENGTH bytes of DATA.
	386	Space for the result is malloc'd, caller must free. */
	387
	388	extern char make_hex_string (const gdb_byte data, size_t length);
	389
48faced0	390	#endif /* UTILS_H */