[binutils.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;

/* Do a strncmp() type operation on STRING1 and STRING2, ignoring any
   differences in whitespace.  STRING2_LEN is STRING2's length.
   Returns 0 if STRING1 matches STRING2_LEN characters of STRING2,
   non-zero otherwise (slightly different than strncmp()'s range of
   return values).  */
extern int strncmp_iw (const char *string1, const char *string2,
		       size_t string2_len);

/* Do a strcmp() type operation on STRING1 and STRING2, ignoring any
   differences in whitespace.  Returns 0 if they match, non-zero if
   they don't (slightly different than strcmp()'s range of return
   values).

   As an extra hack, string1=="FOO(ARGS)" matches string2=="FOO".
   This "feature" is useful when searching for matching C++ function
   names (such as if the user types 'break FOO', where FOO is a
   mangled C++ function).  */
extern int strcmp_iw (const char *string1, const char *string2);

extern int strcmp_iw_ordered (const char *, const char *);

extern int streq (const char *, const char *);

extern int subset_compare (const char *, const char *);

int compare_positive_ints (const void *ap, const void *bp);
int compare_strings (const void *ap, const void *bp);

/* Compare C strings for std::sort.  */

static inline bool
compare_cstrings (const char *str1, const char *str2)
{
  return strcmp (str1, str2) < 0;
}

/* 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_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 *);

/* 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);

std::string 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 const 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
1d550c82 PA	34	/* Do a strncmp() type operation on STRING1 and STRING2, ignoring any
	35	differences in whitespace. STRING2_LEN is STRING2's length.
	36	Returns 0 if STRING1 matches STRING2_LEN characters of STRING2,
	37	non-zero otherwise (slightly different than strncmp()'s range of
	38	return values). */
	39	extern int strncmp_iw (const char string1, const char string2,
	40	size_t string2_len);
	41
	42	/* Do a strcmp() type operation on STRING1 and STRING2, ignoring any
	43	differences in whitespace. Returns 0 if they match, non-zero if
	44	they don't (slightly different than strcmp()'s range of return
	45	values).
	46
	47	As an extra hack, string1=="FOO(ARGS)" matches string2=="FOO".
	48	This "feature" is useful when searching for matching C++ function
	49	names (such as if the user types 'break FOO', where FOO is a
	50	mangled C++ function). */
	51	extern int strcmp_iw (const char string1, const char string2);
48faced0 DE	52
	53	extern int strcmp_iw_ordered (const char , const char );
	54
	55	extern int streq (const char , const char );
	56
a121b7c1	57	extern int subset_compare (const char , const char );
48faced0	58
48faced0 DE	59	int compare_positive_ints (const void ap, const void bp);
	60	int compare_strings (const void ap, const void bp);
	61
47e77640 PA	62	/* Compare C strings for std::sort. */
	63
	64	static inline bool
	65	compare_cstrings (const char str1, const char str2)
	66	{
	67	return strcmp (str1, str2) < 0;
	68	}
	69
48faced0 DE	70	/* A wrapper for bfd_errmsg to produce a more helpful error message
	71	in the case of bfd_error_file_ambiguously recognized.
	72	MATCHING, if non-NULL, is the corresponding argument to
	73	bfd_check_format_matches, and will be freed. */
	74
	75	extern const char gdb_bfd_errmsg (bfd_error_type error_tag, char *matching);
bd712aed DE	76
	77	/* Reset the prompt_for_continue clock. */
	78	void reset_prompt_for_continue_wait_time (void);
	79	/* Return the time spent in prompt_for_continue. */
dcb07cfa	80	std::chrono::steady_clock::duration get_prompt_for_continue_wait_time ();
48faced0 DE	81	\f
	82	/* Parsing utilites. */
	83
c0939df1	84	extern int parse_pid_to_attach (const char *args);
48faced0	85
d7561cbb	86	extern int parse_escape (struct gdbarch , const char *);
48faced0 DE	87
	88	char *gdb_buildargv (const char );
	89	\f
	90	/* Cleanup utilities. */
	91
	92	extern struct cleanup make_cleanup_freeargv (char *);
	93
48faced0 DE	94	struct ui_out;
	95	extern struct cleanup *
	96	make_cleanup_ui_out_redirect_pop (struct ui_out *uiout);
	97
	98	struct section_addr_info;
	99	extern struct cleanup *(make_cleanup_free_section_addr_info
	100	(struct section_addr_info *));
	101
ca095836	102	/* For make_cleanup_close see common/filestuff.h. */
48faced0	103
48faced0 DE	104	extern struct cleanup make_cleanup_restore_integer (int variable);
	105	extern struct cleanup make_cleanup_restore_uinteger (unsigned int variable);
	106
	107	struct target_ops;
	108	extern struct cleanup make_cleanup_unpush_target (struct target_ops ops);
	109
48faced0 DE	110	extern struct cleanup make_cleanup_value_free_to_mark (struct value );
	111	extern struct cleanup make_cleanup_value_free (struct value );
	112
6349f452 TT	113	/* A deleter for a hash table. */
	114	struct htab_deleter
	115	{
	116	void operator() (htab *ptr) const
	117	{
	118	htab_delete (ptr);
	119	}
	120	};
	121
	122	/* A unique_ptr wrapper for htab_t. */
	123	typedef std::unique_ptr<htab, htab_deleter> htab_up;
	124
410a0ff2 SDJ	125	struct parser_state;
	126	extern struct cleanup *make_cleanup_clear_parser_state
	127	(struct parser_state **p);
	128
48faced0 DE	129	extern void free_current_contents (void *);
48faced0 DE	130
48faced0 DE	131	extern void init_page_info (void);
	132
	133	extern struct cleanup *make_cleanup_restore_page_info (void);
	134	extern struct cleanup *
	135	set_batch_flag_and_make_cleanup_restore_page_info (void);
	136
	137	extern struct cleanup *make_bpstat_clear_actions_cleanup (void);
	138	\f
	139	/* Path utilities. */
	140
	141	extern char gdb_realpath (const char );
	142
4856b6bc JK	143	extern char gdb_realpath_keepfile (const char );
4856b6bc JK	144
04affae3 JK	145	extern char gdb_abspath (const char );
04affae3 JK	146
48faced0 DE	147	extern int gdb_filename_fnmatch (const char pattern, const char string,
	148	int flags);
	149
	150	extern void substitute_path_component (char *stringp, const char from,
	151	const char *to);
	152
d721ba37	153	std::string ldirname (const char *filename);
cce0e923 DE	154
	155	extern int count_path_elements (const char *path);
	156
	157	extern const char strip_leading_path_elements (const char path, int n);
48faced0 DE	158	\f
	159	/* GDB output, ui_file utilities. */
	160
	161	struct ui_file;
	162
48faced0 DE	163	extern int query (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	164	extern int nquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	165	extern int yquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	166
	167	extern void begin_line (void);
	168
d2c0eef4	169	extern void wrap_here (const char *);
48faced0 DE	170
	171	extern void reinitialize_more_filter (void);
	172
74da6f00 PA	173	extern int pagination_enabled;
74da6f00 PA	174
79aa2fe8 PA	175	extern struct ui_file **current_ui_gdb_stdout_ptr (void);
	176	extern struct ui_file **current_ui_gdb_stdin_ptr (void);
	177	extern struct ui_file **current_ui_gdb_stderr_ptr (void);
	178	extern struct ui_file **current_ui_gdb_stdlog_ptr (void);
	179
	180	/* The current top level's ui_file streams. */
	181
48faced0	182	/* Normal results */
79aa2fe8	183	#define gdb_stdout (*current_ui_gdb_stdout_ptr ())
48faced0	184	/* Input stream */
79aa2fe8	185	#define gdb_stdin (*current_ui_gdb_stdin_ptr ())
48faced0	186	/* Serious error notifications */
79aa2fe8	187	#define gdb_stderr (*current_ui_gdb_stderr_ptr ())
48faced0 DE	188	/* Log/debug/trace messages that should bypass normal stdout/stderr
	189	filtering. For moment, always call this stream using
	190	*_unfiltered. In the very near future that restriction shall be
	191	removed - either call shall be unfiltered. (cagney 1999-06-13). */
79aa2fe8 PA	192	#define gdb_stdlog (*current_ui_gdb_stdlog_ptr ())
	193
	194	/* Truly global ui_file streams. These are all defined in main.c. */
	195
48faced0 DE	196	/* Target output that should bypass normal stdout/stderr filtering.
	197	For moment, always call this stream using *_unfiltered. In the
	198	very near future that restriction shall be removed - either call
	199	shall be unfiltered. (cagney 1999-07-02). */
	200	extern struct ui_file *gdb_stdtarg;
	201	extern struct ui_file *gdb_stdtargerr;
	202	extern struct ui_file *gdb_stdtargin;
	203
d6e5e7f7 PP	204	/* Set the screen dimensions to WIDTH and HEIGHT. */
	205
	206	extern void set_screen_width_and_height (int width, int height);
	207
48faced0 DE	208	/* More generic printf like operations. Filtered versions may return
	209	non-locally on error. */
	210
	211	extern void fputs_filtered (const char , struct ui_file );
	212
	213	extern void fputs_unfiltered (const char , struct ui_file );
	214
	215	extern int fputc_filtered (int c, struct ui_file *);
	216
	217	extern int fputc_unfiltered (int c, struct ui_file *);
	218
	219	extern int putchar_filtered (int c);
	220
	221	extern int putchar_unfiltered (int c);
	222
	223	extern void puts_filtered (const char *);
	224
	225	extern void puts_unfiltered (const char *);
	226
	227	extern void puts_filtered_tabular (char *string, int width, int right);
	228
	229	extern void puts_debug (char prefix, char string, char *suffix);
	230
	231	extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
	232
	233	extern void vfprintf_filtered (struct ui_file , const char , va_list)
	234	ATTRIBUTE_PRINTF (2, 0);
	235
	236	extern void fprintf_filtered (struct ui_file , const char , ...)
	237	ATTRIBUTE_PRINTF (2, 3);
	238
	239	extern void fprintfi_filtered (int, struct ui_file , const char , ...)
	240	ATTRIBUTE_PRINTF (3, 4);
	241
	242	extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	243
	244	extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
	245
	246	extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
	247
	248	extern void vfprintf_unfiltered (struct ui_file , const char , va_list)
	249	ATTRIBUTE_PRINTF (2, 0);
	250
	251	extern void fprintf_unfiltered (struct ui_file , const char , ...)
	252	ATTRIBUTE_PRINTF (2, 3);
	253
	254	extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	255
	256	extern void print_spaces (int, struct ui_file *);
	257
	258	extern void print_spaces_filtered (int, struct ui_file *);
	259
	260	extern char *n_spaces (int);
	261
	262	extern void fputstr_filtered (const char *str, int quotr,
	263	struct ui_file * stream);
	264
	265	extern void fputstr_unfiltered (const char *str, int quotr,
	266	struct ui_file * stream);
	267
	268	extern void fputstrn_filtered (const char *str, int n, int quotr,
	269	struct ui_file * stream);
	270
	271	extern void fputstrn_unfiltered (const char *str, int n, int quotr,
272	struct ui_file * stream);
273
2437fd32 GB	274	/* Return nonzero if filtered printing is initialized. */
	275	extern int filtered_printing_initialized (void);
	276
48faced0	277	/* Display the host ADDR on STREAM formatted as ``0x%x''. */
b80c3053 PA	278	extern void gdb_print_host_address_1 (const void addr, struct ui_file stream);
	279
	280	/* Wrapper that avoids adding a pointless cast to all callers. */
	281	#define gdb_print_host_address(ADDR, STREAM) \
	282	gdb_print_host_address_1 ((const void *) ADDR, STREAM)
48faced0	283
48faced0 DE	284	/* Convert CORE_ADDR to string in platform-specific manner.
	285	This is usually formatted similar to 0x%lx. */
	286	extern const char paddress (struct gdbarch gdbarch, CORE_ADDR addr);
	287
	288	/* Return a string representation in hexadecimal notation of ADDRESS,
	289	which is suitable for printing. */
	290
	291	extern const char print_core_address (struct gdbarch gdbarch,
	292	CORE_ADDR address);
	293
	294	/* Callback hash_f and eq_f for htab_create_alloc or htab_create_alloc_ex. */
	295	extern hashval_t core_addr_hash (const void *ap);
	296	extern int core_addr_eq (const void ap, const void bp);
	297
48faced0 DE	298	extern CORE_ADDR string_to_core_addr (const char *my_string);
48faced0 DE	299
48faced0 DE	300	extern void fprintf_symbol_filtered (struct ui_file , const char ,
	301	enum language, int);
	302
598d3636 JK	303	extern void throw_perror_with_name (enum errors errcode, const char *string)
598d3636 JK	304	ATTRIBUTE_NORETURN;
48faced0	305
7c647d61 JB	306	extern void perror_warning_with_name (const char *string);
7c647d61 JB	307
48faced0 DE	308	extern void print_sys_errmsg (const char *, int);
	309	\f
	310	/* Warnings and error messages. */
	311
	312	extern void (*deprecated_error_begin_hook) (void);
	313
48faced0 DE	314	/* Message to be printed before the warning message, when a warning occurs. */
48faced0 DE	315
69bbf465	316	extern const char *warning_pre_print;
48faced0	317
d7e74731	318	extern void error_stream (const string_file &) ATTRIBUTE_NORETURN;
48faced0	319
57fcfb1b GB	320	extern void demangler_vwarning (const char *file, int line,
	321	const char *, va_list ap)
	322	ATTRIBUTE_PRINTF (3, 0);
	323
	324	extern void demangler_warning (const char *file, int line,
	325	const char *, ...) ATTRIBUTE_PRINTF (3, 4);
	326
48faced0 DE	327	\f
	328	/* Misc. utilities. */
	329
	330	/* Allocation and deallocation functions for the libiberty hash table
	331	which use obstacks. */
	332	void hashtab_obstack_allocate (void data, size_t size, size_t count);
	333	void dummy_obstack_deallocate (void object, void data);
	334
	335	#ifdef HAVE_WAITPID
	336	extern pid_t wait_to_die_with_timeout (pid_t pid, int *status, int timeout);
	337	#endif
	338
	339	extern int producer_is_gcc_ge_4 (const char *producer);
cc7039d3	340	extern int producer_is_gcc (const char producer, int major, int *minor);
48faced0	341
48faced0 DE	342	extern int myread (int, char *, int);
	343
	344	/* Ensure that V is aligned to an N byte boundary (B's assumed to be a
	345	power of 2). Round up/down when necessary. Examples of correct
	346	use include:
	347
	348	addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
	349	write_memory (addr, value, len);
	350	addr += len;
	351
	352	and:
	353
	354	sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
	355	write_memory (sp, value, len);
	356
	357	Note that uses such as:
	358
	359	write_memory (addr, value, len);
	360	addr += align_up (len, 8);
	361
	362	and:
	363
	364	sp -= align_up (len, 8);
	365	write_memory (sp, value, len);
	366
	367	are typically not correct as they don't ensure that the address (SP
	368	or ADDR) is correctly aligned (relying on previous alignment to
	369	keep things right). This is also why the methods are called
	370	"align_..." instead of "round_..." as the latter reads better with
	371	this incorrect coding style. */
	372
	373	extern ULONGEST align_up (ULONGEST v, int n);
	374	extern ULONGEST align_down (ULONGEST v, int n);
	375
eae7090b GB	376	/* Resource limits used by getrlimit and setrlimit. */
	377
	378	enum resource_limit_kind
	379	{
	380	LIMIT_CUR,
	381	LIMIT_MAX
	382	};
	383
	384	/* Check whether GDB will be able to dump core using the dump_core
	385	function. Returns zero if GDB cannot or should not dump core.
	386	If LIMIT_KIND is LIMIT_CUR the user's soft limit will be respected.
	387	If LIMIT_KIND is LIMIT_MAX only the hard limit will be respected. */
	388
	389	extern int can_dump_core (enum resource_limit_kind limit_kind);
	390
	391	/* Print a warning that we cannot dump core. */
	392
	393	extern void warn_cant_dump_core (const char *reason);
	394
	395	/* Dump core trying to increase the core soft limit to hard limit
	396	first. */
	397
	398	extern void dump_core (void);
	399
7c50a931 DE	400	/* Return the hex string form of LENGTH bytes of DATA.
	401	Space for the result is malloc'd, caller must free. */
	402
	403	extern char make_hex_string (const gdb_byte data, size_t length);
	404
48faced0	405	#endif /* UTILS_H */