61baf725ec
This applies the second part of GDB's End of Year Procedure, which
updates the copyright year range in all of GDB's files.
gdb/ChangeLog:
Update copyright year range in all GDB files.
386 lines
12 KiB
C++
386 lines
12 KiB
C++
/* *INDENT-OFF* */ /* ATTRIBUTE_PRINTF confuses indent, avoid running it
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for now. */
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/* I/O, string, cleanup, and other random utilities for GDB.
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Copyright (C) 1986-2017 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef UTILS_H
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#define UTILS_H
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#include "exceptions.h"
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#include "common/scoped_restore.h"
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#include <chrono>
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extern void initialize_utils (void);
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/* String utilities. */
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extern int sevenbit_strings;
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extern int strcmp_iw (const char *, const char *);
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extern int strcmp_iw_ordered (const char *, const char *);
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extern int streq (const char *, const char *);
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extern int subset_compare (char *, char *);
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int compare_positive_ints (const void *ap, const void *bp);
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int compare_strings (const void *ap, const void *bp);
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/* A wrapper for bfd_errmsg to produce a more helpful error message
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in the case of bfd_error_file_ambiguously recognized.
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MATCHING, if non-NULL, is the corresponding argument to
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bfd_check_format_matches, and will be freed. */
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extern const char *gdb_bfd_errmsg (bfd_error_type error_tag, char **matching);
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/* Reset the prompt_for_continue clock. */
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void reset_prompt_for_continue_wait_time (void);
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/* Return the time spent in prompt_for_continue. */
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std::chrono::steady_clock::duration get_prompt_for_continue_wait_time ();
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/* Parsing utilites. */
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extern int parse_pid_to_attach (const char *args);
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extern int parse_escape (struct gdbarch *, const char **);
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char **gdb_buildargv (const char *);
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/* Cleanup utilities. */
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extern struct cleanup *make_cleanup_freeargv (char **);
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struct ui_file;
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extern struct cleanup *make_cleanup_ui_file_delete (struct ui_file *);
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struct ui_out;
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extern struct cleanup *
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make_cleanup_ui_out_redirect_pop (struct ui_out *uiout);
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struct section_addr_info;
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extern struct cleanup *(make_cleanup_free_section_addr_info
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(struct section_addr_info *));
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/* For make_cleanup_close see common/filestuff.h. */
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extern struct cleanup *make_cleanup_fclose (FILE *file);
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extern struct cleanup *make_cleanup_bfd_unref (bfd *abfd);
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struct obstack;
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extern struct cleanup *make_cleanup_obstack_free (struct obstack *obstack);
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extern struct cleanup *make_cleanup_restore_integer (int *variable);
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extern struct cleanup *make_cleanup_restore_uinteger (unsigned int *variable);
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struct target_ops;
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extern struct cleanup *make_cleanup_unpush_target (struct target_ops *ops);
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extern struct cleanup *make_cleanup_value_free_to_mark (struct value *);
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extern struct cleanup *make_cleanup_value_free (struct value *);
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struct so_list;
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extern struct cleanup *make_cleanup_free_so (struct so_list *so);
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extern struct cleanup *make_cleanup_restore_current_language (void);
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extern struct cleanup *make_cleanup_htab_delete (htab_t htab);
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struct parser_state;
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extern struct cleanup *make_cleanup_clear_parser_state
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(struct parser_state **p);
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extern void free_current_contents (void *);
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extern void init_page_info (void);
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extern struct cleanup *make_cleanup_restore_page_info (void);
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extern struct cleanup *
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set_batch_flag_and_make_cleanup_restore_page_info (void);
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extern struct cleanup *make_bpstat_clear_actions_cleanup (void);
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/* Path utilities. */
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extern char *gdb_realpath (const char *);
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extern char *gdb_realpath_keepfile (const char *);
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extern char *gdb_abspath (const char *);
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extern int gdb_filename_fnmatch (const char *pattern, const char *string,
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int flags);
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extern void substitute_path_component (char **stringp, const char *from,
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const char *to);
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char *ldirname (const char *filename);
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extern int count_path_elements (const char *path);
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extern const char *strip_leading_path_elements (const char *path, int n);
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/* GDB output, ui_file utilities. */
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struct ui_file;
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extern int query (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
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extern int nquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
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extern int yquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
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extern void begin_line (void);
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extern void wrap_here (const char *);
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extern void reinitialize_more_filter (void);
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extern int pagination_enabled;
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extern struct ui_file **current_ui_gdb_stdout_ptr (void);
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extern struct ui_file **current_ui_gdb_stdin_ptr (void);
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extern struct ui_file **current_ui_gdb_stderr_ptr (void);
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extern struct ui_file **current_ui_gdb_stdlog_ptr (void);
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/* The current top level's ui_file streams. */
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/* Normal results */
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#define gdb_stdout (*current_ui_gdb_stdout_ptr ())
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/* Input stream */
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#define gdb_stdin (*current_ui_gdb_stdin_ptr ())
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/* Serious error notifications */
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#define gdb_stderr (*current_ui_gdb_stderr_ptr ())
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/* Log/debug/trace messages that should bypass normal stdout/stderr
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filtering. For moment, always call this stream using
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*_unfiltered. In the very near future that restriction shall be
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removed - either call shall be unfiltered. (cagney 1999-06-13). */
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#define gdb_stdlog (*current_ui_gdb_stdlog_ptr ())
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/* Truly global ui_file streams. These are all defined in main.c. */
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/* Target output that should bypass normal stdout/stderr filtering.
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For moment, always call this stream using *_unfiltered. In the
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very near future that restriction shall be removed - either call
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shall be unfiltered. (cagney 1999-07-02). */
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extern struct ui_file *gdb_stdtarg;
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extern struct ui_file *gdb_stdtargerr;
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extern struct ui_file *gdb_stdtargin;
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/* Set the screen dimensions to WIDTH and HEIGHT. */
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extern void set_screen_width_and_height (int width, int height);
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/* More generic printf like operations. Filtered versions may return
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non-locally on error. */
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extern void fputs_filtered (const char *, struct ui_file *);
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extern void fputs_unfiltered (const char *, struct ui_file *);
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extern int fputc_filtered (int c, struct ui_file *);
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extern int fputc_unfiltered (int c, struct ui_file *);
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extern int putchar_filtered (int c);
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extern int putchar_unfiltered (int c);
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extern void puts_filtered (const char *);
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extern void puts_unfiltered (const char *);
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extern void puts_filtered_tabular (char *string, int width, int right);
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extern void puts_debug (char *prefix, char *string, char *suffix);
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extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
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extern void vfprintf_filtered (struct ui_file *, const char *, va_list)
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ATTRIBUTE_PRINTF (2, 0);
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extern void fprintf_filtered (struct ui_file *, const char *, ...)
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ATTRIBUTE_PRINTF (2, 3);
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extern void fprintfi_filtered (int, struct ui_file *, const char *, ...)
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ATTRIBUTE_PRINTF (3, 4);
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extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
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extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
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extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
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extern void vfprintf_unfiltered (struct ui_file *, const char *, va_list)
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ATTRIBUTE_PRINTF (2, 0);
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extern void fprintf_unfiltered (struct ui_file *, const char *, ...)
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ATTRIBUTE_PRINTF (2, 3);
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extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
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extern void print_spaces (int, struct ui_file *);
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extern void print_spaces_filtered (int, struct ui_file *);
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extern char *n_spaces (int);
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extern void fputstr_filtered (const char *str, int quotr,
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struct ui_file * stream);
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extern void fputstr_unfiltered (const char *str, int quotr,
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struct ui_file * stream);
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extern void fputstrn_filtered (const char *str, int n, int quotr,
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struct ui_file * stream);
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extern void fputstrn_unfiltered (const char *str, int n, int quotr,
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struct ui_file * stream);
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/* Return nonzero if filtered printing is initialized. */
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extern int filtered_printing_initialized (void);
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/* Display the host ADDR on STREAM formatted as ``0x%x''. */
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extern void gdb_print_host_address_1 (const void *addr, struct ui_file *stream);
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/* Wrapper that avoids adding a pointless cast to all callers. */
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#define gdb_print_host_address(ADDR, STREAM) \
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gdb_print_host_address_1 ((const void *) ADDR, STREAM)
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/* Convert CORE_ADDR to string in platform-specific manner.
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This is usually formatted similar to 0x%lx. */
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extern const char *paddress (struct gdbarch *gdbarch, CORE_ADDR addr);
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/* Return a string representation in hexadecimal notation of ADDRESS,
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which is suitable for printing. */
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extern const char *print_core_address (struct gdbarch *gdbarch,
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CORE_ADDR address);
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/* Callback hash_f and eq_f for htab_create_alloc or htab_create_alloc_ex. */
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extern hashval_t core_addr_hash (const void *ap);
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extern int core_addr_eq (const void *ap, const void *bp);
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extern CORE_ADDR string_to_core_addr (const char *my_string);
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extern void fprintf_symbol_filtered (struct ui_file *, const char *,
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enum language, int);
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extern void throw_perror_with_name (enum errors errcode, const char *string)
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ATTRIBUTE_NORETURN;
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extern void perror_warning_with_name (const char *string);
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extern void print_sys_errmsg (const char *, int);
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/* Warnings and error messages. */
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extern void (*deprecated_error_begin_hook) (void);
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/* Message to be printed before the warning message, when a warning occurs. */
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extern char *warning_pre_print;
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extern void error_stream (struct ui_file *) ATTRIBUTE_NORETURN;
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extern void demangler_vwarning (const char *file, int line,
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const char *, va_list ap)
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ATTRIBUTE_PRINTF (3, 0);
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extern void demangler_warning (const char *file, int line,
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const char *, ...) ATTRIBUTE_PRINTF (3, 4);
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/* Misc. utilities. */
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/* Allocation and deallocation functions for the libiberty hash table
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which use obstacks. */
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void *hashtab_obstack_allocate (void *data, size_t size, size_t count);
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void dummy_obstack_deallocate (void *object, void *data);
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#ifdef HAVE_WAITPID
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extern pid_t wait_to_die_with_timeout (pid_t pid, int *status, int timeout);
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#endif
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extern int producer_is_gcc_ge_4 (const char *producer);
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extern int producer_is_gcc (const char *producer, int *major, int *minor);
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extern int myread (int, char *, int);
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/* Ensure that V is aligned to an N byte boundary (B's assumed to be a
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power of 2). Round up/down when necessary. Examples of correct
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use include:
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addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
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write_memory (addr, value, len);
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addr += len;
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and:
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sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
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write_memory (sp, value, len);
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Note that uses such as:
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write_memory (addr, value, len);
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addr += align_up (len, 8);
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and:
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sp -= align_up (len, 8);
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write_memory (sp, value, len);
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are typically not correct as they don't ensure that the address (SP
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or ADDR) is correctly aligned (relying on previous alignment to
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keep things right). This is also why the methods are called
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"align_..." instead of "round_..." as the latter reads better with
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this incorrect coding style. */
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extern ULONGEST align_up (ULONGEST v, int n);
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extern ULONGEST align_down (ULONGEST v, int n);
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/* Resource limits used by getrlimit and setrlimit. */
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enum resource_limit_kind
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{
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LIMIT_CUR,
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LIMIT_MAX
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};
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/* Check whether GDB will be able to dump core using the dump_core
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function. Returns zero if GDB cannot or should not dump core.
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If LIMIT_KIND is LIMIT_CUR the user's soft limit will be respected.
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If LIMIT_KIND is LIMIT_MAX only the hard limit will be respected. */
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extern int can_dump_core (enum resource_limit_kind limit_kind);
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/* Print a warning that we cannot dump core. */
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extern void warn_cant_dump_core (const char *reason);
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/* Dump core trying to increase the core soft limit to hard limit
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first. */
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extern void dump_core (void);
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/* Return the hex string form of LENGTH bytes of DATA.
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Space for the result is malloc'd, caller must free. */
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extern char *make_hex_string (const gdb_byte *data, size_t length);
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#endif /* UTILS_H */
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