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