[thirdparty/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"
#include "common/scoped_restore.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 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_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"
b7b633e9	25	#include "common/scoped_restore.h"
48faced0 DE	26
	27	extern void initialize_utils (void);
	28
	29	/* String utilities. */
	30
	31	extern int sevenbit_strings;
	32
48faced0 DE	33	extern int strcmp_iw (const char , const char );
	34
	35	extern int strcmp_iw_ordered (const char , const char );
	36
	37	extern int streq (const char , const char );
	38
	39	extern int subset_compare (char , char );
	40
48faced0 DE	41	int compare_positive_ints (const void ap, const void bp);
	42	int compare_strings (const void ap, const void bp);
	43
48faced0 DE	44	/* A wrapper for bfd_errmsg to produce a more helpful error message
	45	in the case of bfd_error_file_ambiguously recognized.
	46	MATCHING, if non-NULL, is the corresponding argument to
	47	bfd_check_format_matches, and will be freed. */
	48
	49	extern const char gdb_bfd_errmsg (bfd_error_type error_tag, char *matching);
bd712aed DE	50
	51	/* Reset the prompt_for_continue clock. */
	52	void reset_prompt_for_continue_wait_time (void);
	53	/* Return the time spent in prompt_for_continue. */
	54	struct timeval get_prompt_for_continue_wait_time (void);
48faced0 DE	55	\f
	56	/* Parsing utilites. */
	57
c0939df1	58	extern int parse_pid_to_attach (const char *args);
48faced0	59
d7561cbb	60	extern int parse_escape (struct gdbarch , const char *);
48faced0 DE	61
	62	char *gdb_buildargv (const char );
	63	\f
	64	/* Cleanup utilities. */
	65
	66	extern struct cleanup make_cleanup_freeargv (char *);
	67
48faced0 DE	68	struct ui_file;
	69	extern struct cleanup make_cleanup_ui_file_delete (struct ui_file );
	70
	71	struct ui_out;
	72	extern struct cleanup *
	73	make_cleanup_ui_out_redirect_pop (struct ui_out *uiout);
	74
	75	struct section_addr_info;
	76	extern struct cleanup *(make_cleanup_free_section_addr_info
	77	(struct section_addr_info *));
	78
ca095836	79	/* For make_cleanup_close see common/filestuff.h. */
48faced0 DE	80
	81	extern struct cleanup make_cleanup_fclose (FILE file);
	82
	83	extern struct cleanup make_cleanup_bfd_unref (bfd abfd);
	84
	85	struct obstack;
	86	extern struct cleanup make_cleanup_obstack_free (struct obstack obstack);
	87
	88	extern struct cleanup make_cleanup_restore_integer (int variable);
	89	extern struct cleanup make_cleanup_restore_uinteger (unsigned int variable);
	90
	91	struct target_ops;
	92	extern struct cleanup make_cleanup_unpush_target (struct target_ops ops);
	93
48faced0 DE	94	extern struct cleanup make_cleanup_value_free_to_mark (struct value );
	95	extern struct cleanup make_cleanup_value_free (struct value );
	96
	97	struct so_list;
	98	extern struct cleanup make_cleanup_free_so (struct so_list so);
	99
5b12a61c JK	100	extern struct cleanup *make_cleanup_restore_current_language (void);
5b12a61c JK	101
48faced0 DE	102	extern struct cleanup *make_cleanup_htab_delete (htab_t htab);
48faced0 DE	103
410a0ff2 SDJ	104	struct parser_state;
	105	extern struct cleanup *make_cleanup_clear_parser_state
	106	(struct parser_state **p);
	107
48faced0 DE	108	extern void free_current_contents (void *);
48faced0 DE	109
48faced0 DE	110	extern void init_page_info (void);
	111
	112	extern struct cleanup *make_cleanup_restore_page_info (void);
	113	extern struct cleanup *
	114	set_batch_flag_and_make_cleanup_restore_page_info (void);
	115
	116	extern struct cleanup *make_bpstat_clear_actions_cleanup (void);
	117	\f
	118	/* Path utilities. */
	119
	120	extern char gdb_realpath (const char );
	121
4856b6bc JK	122	extern char gdb_realpath_keepfile (const char );
4856b6bc JK	123
04affae3 JK	124	extern char gdb_abspath (const char );
04affae3 JK	125
48faced0 DE	126	extern int gdb_filename_fnmatch (const char pattern, const char string,
	127	int flags);
	128
	129	extern void substitute_path_component (char *stringp, const char from,
	130	const char *to);
	131
	132	char ldirname (const char filename);
cce0e923 DE	133
	134	extern int count_path_elements (const char *path);
	135
	136	extern const char strip_leading_path_elements (const char path, int n);
48faced0 DE	137	\f
	138	/* GDB output, ui_file utilities. */
	139
	140	struct ui_file;
	141
48faced0 DE	142	extern int query (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	143	extern int nquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	144	extern int yquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	145
	146	extern void begin_line (void);
	147
	148	extern void wrap_here (char *);
	149
	150	extern void reinitialize_more_filter (void);
	151
74da6f00 PA	152	extern int pagination_enabled;
74da6f00 PA	153
79aa2fe8 PA	154	extern struct ui_file **current_ui_gdb_stdout_ptr (void);
	155	extern struct ui_file **current_ui_gdb_stdin_ptr (void);
	156	extern struct ui_file **current_ui_gdb_stderr_ptr (void);
	157	extern struct ui_file **current_ui_gdb_stdlog_ptr (void);
	158
	159	/* The current top level's ui_file streams. */
	160
48faced0	161	/* Normal results */
79aa2fe8	162	#define gdb_stdout (*current_ui_gdb_stdout_ptr ())
48faced0	163	/* Input stream */
79aa2fe8	164	#define gdb_stdin (*current_ui_gdb_stdin_ptr ())
48faced0	165	/* Serious error notifications */
79aa2fe8	166	#define gdb_stderr (*current_ui_gdb_stderr_ptr ())
48faced0 DE	167	/* Log/debug/trace messages that should bypass normal stdout/stderr
	168	filtering. For moment, always call this stream using
	169	*_unfiltered. In the very near future that restriction shall be
	170	removed - either call shall be unfiltered. (cagney 1999-06-13). */
79aa2fe8 PA	171	#define gdb_stdlog (*current_ui_gdb_stdlog_ptr ())
	172
	173	/* Truly global ui_file streams. These are all defined in main.c. */
	174
48faced0 DE	175	/* Target output that should bypass normal stdout/stderr filtering.
	176	For moment, always call this stream using *_unfiltered. In the
	177	very near future that restriction shall be removed - either call
	178	shall be unfiltered. (cagney 1999-07-02). */
	179	extern struct ui_file *gdb_stdtarg;
	180	extern struct ui_file *gdb_stdtargerr;
	181	extern struct ui_file *gdb_stdtargin;
	182
d6e5e7f7 PP	183	/* Set the screen dimensions to WIDTH and HEIGHT. */
	184
	185	extern void set_screen_width_and_height (int width, int height);
	186
48faced0 DE	187	/* More generic printf like operations. Filtered versions may return
	188	non-locally on error. */
	189
	190	extern void fputs_filtered (const char , struct ui_file );
	191
	192	extern void fputs_unfiltered (const char , struct ui_file );
	193
	194	extern int fputc_filtered (int c, struct ui_file *);
	195
	196	extern int fputc_unfiltered (int c, struct ui_file *);
	197
	198	extern int putchar_filtered (int c);
	199
	200	extern int putchar_unfiltered (int c);
	201
	202	extern void puts_filtered (const char *);
	203
	204	extern void puts_unfiltered (const char *);
	205
	206	extern void puts_filtered_tabular (char *string, int width, int right);
	207
	208	extern void puts_debug (char prefix, char string, char *suffix);
	209
	210	extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
	211
	212	extern void vfprintf_filtered (struct ui_file , const char , va_list)
	213	ATTRIBUTE_PRINTF (2, 0);
	214
	215	extern void fprintf_filtered (struct ui_file , const char , ...)
	216	ATTRIBUTE_PRINTF (2, 3);
	217
	218	extern void fprintfi_filtered (int, struct ui_file , const char , ...)
	219	ATTRIBUTE_PRINTF (3, 4);
	220
	221	extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	222
	223	extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
	224
	225	extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
	226
	227	extern void vfprintf_unfiltered (struct ui_file , const char , va_list)
	228	ATTRIBUTE_PRINTF (2, 0);
	229
	230	extern void fprintf_unfiltered (struct ui_file , const char , ...)
	231	ATTRIBUTE_PRINTF (2, 3);
	232
	233	extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	234
	235	extern void print_spaces (int, struct ui_file *);
	236
	237	extern void print_spaces_filtered (int, struct ui_file *);
	238
	239	extern char *n_spaces (int);
	240
	241	extern void fputstr_filtered (const char *str, int quotr,
	242	struct ui_file * stream);
	243
	244	extern void fputstr_unfiltered (const char *str, int quotr,
	245	struct ui_file * stream);
	246
	247	extern void fputstrn_filtered (const char *str, int n, int quotr,
	248	struct ui_file * stream);
	249
	250	extern void fputstrn_unfiltered (const char *str, int n, int quotr,
251	struct ui_file * stream);
252
2437fd32 GB	253	/* Return nonzero if filtered printing is initialized. */
	254	extern int filtered_printing_initialized (void);
	255
48faced0	256	/* Display the host ADDR on STREAM formatted as ``0x%x''. */
b80c3053 PA	257	extern void gdb_print_host_address_1 (const void addr, struct ui_file stream);
	258
	259	/* Wrapper that avoids adding a pointless cast to all callers. */
	260	#define gdb_print_host_address(ADDR, STREAM) \
	261	gdb_print_host_address_1 ((const void *) ADDR, STREAM)
48faced0	262
48faced0 DE	263	/* Convert CORE_ADDR to string in platform-specific manner.
	264	This is usually formatted similar to 0x%lx. */
	265	extern const char paddress (struct gdbarch gdbarch, CORE_ADDR addr);
	266
	267	/* Return a string representation in hexadecimal notation of ADDRESS,
	268	which is suitable for printing. */
	269
	270	extern const char print_core_address (struct gdbarch gdbarch,
	271	CORE_ADDR address);
	272
	273	/* Callback hash_f and eq_f for htab_create_alloc or htab_create_alloc_ex. */
	274	extern hashval_t core_addr_hash (const void *ap);
	275	extern int core_addr_eq (const void ap, const void bp);
	276
48faced0 DE	277	extern CORE_ADDR string_to_core_addr (const char *my_string);
48faced0 DE	278
48faced0 DE	279	extern void fprintf_symbol_filtered (struct ui_file , const char ,
	280	enum language, int);
	281
598d3636 JK	282	extern void throw_perror_with_name (enum errors errcode, const char *string)
598d3636 JK	283	ATTRIBUTE_NORETURN;
48faced0	284
7c647d61 JB	285	extern void perror_warning_with_name (const char *string);
7c647d61 JB	286
48faced0 DE	287	extern void print_sys_errmsg (const char *, int);
	288	\f
	289	/* Warnings and error messages. */
	290
	291	extern void (*deprecated_error_begin_hook) (void);
	292
48faced0 DE	293	/* Message to be printed before the warning message, when a warning occurs. */
	294
	295	extern char *warning_pre_print;
	296
48faced0 DE	297	extern void error_stream (struct ui_file *) ATTRIBUTE_NORETURN;
48faced0 DE	298
57fcfb1b GB	299	extern void demangler_vwarning (const char *file, int line,
	300	const char *, va_list ap)
	301	ATTRIBUTE_PRINTF (3, 0);
	302
	303	extern void demangler_warning (const char *file, int line,
	304	const char *, ...) ATTRIBUTE_PRINTF (3, 4);
	305
48faced0 DE	306	\f
	307	/* Misc. utilities. */
	308
	309	/* Allocation and deallocation functions for the libiberty hash table
	310	which use obstacks. */
	311	void hashtab_obstack_allocate (void data, size_t size, size_t count);
	312	void dummy_obstack_deallocate (void object, void data);
	313
	314	#ifdef HAVE_WAITPID
	315	extern pid_t wait_to_die_with_timeout (pid_t pid, int *status, int timeout);
	316	#endif
	317
	318	extern int producer_is_gcc_ge_4 (const char *producer);
cc7039d3	319	extern int producer_is_gcc (const char producer, int major, int *minor);
48faced0	320
48faced0 DE	321	extern int myread (int, char *, int);
	322
	323	/* Ensure that V is aligned to an N byte boundary (B's assumed to be a
	324	power of 2). Round up/down when necessary. Examples of correct
	325	use include:
	326
	327	addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
	328	write_memory (addr, value, len);
	329	addr += len;
	330
	331	and:
	332
	333	sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
	334	write_memory (sp, value, len);
	335
	336	Note that uses such as:
	337
	338	write_memory (addr, value, len);
	339	addr += align_up (len, 8);
	340
	341	and:
	342
	343	sp -= align_up (len, 8);
	344	write_memory (sp, value, len);
	345
	346	are typically not correct as they don't ensure that the address (SP
	347	or ADDR) is correctly aligned (relying on previous alignment to
	348	keep things right). This is also why the methods are called
	349	"align_..." instead of "round_..." as the latter reads better with
	350	this incorrect coding style. */
	351
	352	extern ULONGEST align_up (ULONGEST v, int n);
	353	extern ULONGEST align_down (ULONGEST v, int n);
	354
eae7090b GB	355	/* Resource limits used by getrlimit and setrlimit. */
	356
	357	enum resource_limit_kind
	358	{
	359	LIMIT_CUR,
	360	LIMIT_MAX
	361	};
	362
	363	/* Check whether GDB will be able to dump core using the dump_core
	364	function. Returns zero if GDB cannot or should not dump core.
	365	If LIMIT_KIND is LIMIT_CUR the user's soft limit will be respected.
	366	If LIMIT_KIND is LIMIT_MAX only the hard limit will be respected. */
	367
	368	extern int can_dump_core (enum resource_limit_kind limit_kind);
	369
	370	/* Print a warning that we cannot dump core. */
	371
	372	extern void warn_cant_dump_core (const char *reason);
	373
	374	/* Dump core trying to increase the core soft limit to hard limit
	375	first. */
	376
	377	extern void dump_core (void);
	378
7c50a931 DE	379	/* Return the hex string form of LENGTH bytes of DATA.
	380	Space for the result is malloc'd, caller must free. */
	381
	382	extern char make_hex_string (const gdb_byte data, size_t length);
	383
48faced0	384	#endif /* UTILS_H */