/* List lines of source files for GDB, the GNU debugger.
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/* List lines of source files for GDB, the GNU debugger.
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Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
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Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
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1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008
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1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
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This file is part of GDB.
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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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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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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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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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(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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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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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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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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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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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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "defs.h"
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#include "defs.h"
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#include "symtab.h"
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#include "symtab.h"
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#include "expression.h"
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#include "expression.h"
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#include "language.h"
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#include "language.h"
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#include "command.h"
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#include "command.h"
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#include "source.h"
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#include "source.h"
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#include "gdbcmd.h"
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#include "gdbcmd.h"
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#include "frame.h"
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#include "frame.h"
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#include "value.h"
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#include "value.h"
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#include "gdb_assert.h"
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#include "gdb_assert.h"
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#include <sys/types.h>
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#include <sys/types.h>
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#include "gdb_string.h"
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#include "gdb_string.h"
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#include "gdb_stat.h"
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#include "gdb_stat.h"
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#include <fcntl.h>
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#include <fcntl.h>
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#include "gdbcore.h"
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#include "gdbcore.h"
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#include "gdb_regex.h"
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#include "gdb_regex.h"
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#include "symfile.h"
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#include "symfile.h"
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#include "objfiles.h"
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#include "objfiles.h"
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#include "annotate.h"
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#include "annotate.h"
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#include "gdbtypes.h"
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#include "gdbtypes.h"
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#include "linespec.h"
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#include "linespec.h"
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#include "filenames.h" /* for DOSish file names */
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#include "filenames.h" /* for DOSish file names */
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#include "completer.h"
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#include "completer.h"
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#include "ui-out.h"
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#include "ui-out.h"
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#include "readline/readline.h"
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#include "readline/readline.h"
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#define OPEN_MODE (O_RDONLY | O_BINARY)
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#define OPEN_MODE (O_RDONLY | O_BINARY)
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#define FDOPEN_MODE FOPEN_RB
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#define FDOPEN_MODE FOPEN_RB
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/* Prototypes for exported functions. */
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/* Prototypes for exported functions. */
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void _initialize_source (void);
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void _initialize_source (void);
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/* Prototypes for local functions. */
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/* Prototypes for local functions. */
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static int get_filename_and_charpos (struct symtab *, char **);
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static int get_filename_and_charpos (struct symtab *, char **);
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static void reverse_search_command (char *, int);
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static void reverse_search_command (char *, int);
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static void forward_search_command (char *, int);
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static void forward_search_command (char *, int);
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static void line_info (char *, int);
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static void line_info (char *, int);
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static void source_info (char *, int);
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static void source_info (char *, int);
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static void show_directories (char *, int);
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static void show_directories (char *, int);
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/* Path of directories to search for source files.
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/* Path of directories to search for source files.
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Same format as the PATH environment variable's value. */
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Same format as the PATH environment variable's value. */
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char *source_path;
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char *source_path;
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/* Support for source path substitution commands. */
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/* Support for source path substitution commands. */
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struct substitute_path_rule
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struct substitute_path_rule
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{
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{
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char *from;
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char *from;
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char *to;
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char *to;
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struct substitute_path_rule *next;
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struct substitute_path_rule *next;
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};
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};
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static struct substitute_path_rule *substitute_path_rules = NULL;
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static struct substitute_path_rule *substitute_path_rules = NULL;
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/* Symtab of default file for listing lines of. */
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/* Symtab of default file for listing lines of. */
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static struct symtab *current_source_symtab;
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static struct symtab *current_source_symtab;
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/* Default next line to list. */
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/* Default next line to list. */
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static int current_source_line;
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static int current_source_line;
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/* Default number of lines to print with commands like "list".
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/* Default number of lines to print with commands like "list".
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This is based on guessing how many long (i.e. more than chars_per_line
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This is based on guessing how many long (i.e. more than chars_per_line
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characters) lines there will be. To be completely correct, "list"
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characters) lines there will be. To be completely correct, "list"
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and friends should be rewritten to count characters and see where
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and friends should be rewritten to count characters and see where
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things are wrapping, but that would be a fair amount of work. */
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things are wrapping, but that would be a fair amount of work. */
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int lines_to_list = 10;
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int lines_to_list = 10;
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static void
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static void
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show_lines_to_list (struct ui_file *file, int from_tty,
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show_lines_to_list (struct ui_file *file, int from_tty,
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struct cmd_list_element *c, const char *value)
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struct cmd_list_element *c, const char *value)
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{
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{
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fprintf_filtered (file, _("\
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fprintf_filtered (file, _("\
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Number of source lines gdb will list by default is %s.\n"),
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Number of source lines gdb will list by default is %s.\n"),
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value);
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value);
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}
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}
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/* Line number of last line printed. Default for various commands.
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/* Line number of last line printed. Default for various commands.
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current_source_line is usually, but not always, the same as this. */
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current_source_line is usually, but not always, the same as this. */
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static int last_line_listed;
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static int last_line_listed;
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/* First line number listed by last listing command. */
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/* First line number listed by last listing command. */
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static int first_line_listed;
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static int first_line_listed;
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/* Saves the name of the last source file visited and a possible error code.
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/* Saves the name of the last source file visited and a possible error code.
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Used to prevent repeating annoying "No such file or directories" msgs */
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Used to prevent repeating annoying "No such file or directories" msgs */
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static struct symtab *last_source_visited = NULL;
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static struct symtab *last_source_visited = NULL;
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static int last_source_error = 0;
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static int last_source_error = 0;
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/* Return the first line listed by print_source_lines.
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/* Return the first line listed by print_source_lines.
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Used by command interpreters to request listing from
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Used by command interpreters to request listing from
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a previous point. */
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a previous point. */
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int
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int
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get_first_line_listed (void)
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get_first_line_listed (void)
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{
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{
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return first_line_listed;
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return first_line_listed;
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}
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}
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/* Return the default number of lines to print with commands like the
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/* Return the default number of lines to print with commands like the
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cli "list". The caller of print_source_lines must use this to
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cli "list". The caller of print_source_lines must use this to
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calculate the end line and use it in the call to print_source_lines
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calculate the end line and use it in the call to print_source_lines
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as it does not automatically use this value. */
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as it does not automatically use this value. */
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int
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int
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get_lines_to_list (void)
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get_lines_to_list (void)
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{
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{
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return lines_to_list;
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return lines_to_list;
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}
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}
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/* Return the current source file for listing and next line to list.
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/* Return the current source file for listing and next line to list.
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NOTE: The returned sal pc and end fields are not valid. */
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NOTE: The returned sal pc and end fields are not valid. */
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struct symtab_and_line
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struct symtab_and_line
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get_current_source_symtab_and_line (void)
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get_current_source_symtab_and_line (void)
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{
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{
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struct symtab_and_line cursal = { 0 };
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struct symtab_and_line cursal = { 0 };
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cursal.symtab = current_source_symtab;
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cursal.symtab = current_source_symtab;
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cursal.line = current_source_line;
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cursal.line = current_source_line;
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cursal.pc = 0;
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cursal.pc = 0;
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cursal.end = 0;
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cursal.end = 0;
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return cursal;
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return cursal;
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}
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}
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/* If the current source file for listing is not set, try and get a default.
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/* If the current source file for listing is not set, try and get a default.
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Usually called before get_current_source_symtab_and_line() is called.
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Usually called before get_current_source_symtab_and_line() is called.
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It may err out if a default cannot be determined.
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It may err out if a default cannot be determined.
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We must be cautious about where it is called, as it can recurse as the
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We must be cautious about where it is called, as it can recurse as the
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process of determining a new default may call the caller!
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process of determining a new default may call the caller!
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Use get_current_source_symtab_and_line only to get whatever
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Use get_current_source_symtab_and_line only to get whatever
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we have without erroring out or trying to get a default. */
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we have without erroring out or trying to get a default. */
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void
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void
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set_default_source_symtab_and_line (void)
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set_default_source_symtab_and_line (void)
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{
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{
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struct symtab_and_line cursal;
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struct symtab_and_line cursal;
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if (!have_full_symbols () && !have_partial_symbols ())
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if (!have_full_symbols () && !have_partial_symbols ())
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error (_("No symbol table is loaded. Use the \"file\" command."));
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error (_("No symbol table is loaded. Use the \"file\" command."));
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/* Pull in a current source symtab if necessary */
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/* Pull in a current source symtab if necessary */
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if (current_source_symtab == 0)
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if (current_source_symtab == 0)
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select_source_symtab (0);
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select_source_symtab (0);
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}
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}
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/* Return the current default file for listing and next line to list
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/* Return the current default file for listing and next line to list
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(the returned sal pc and end fields are not valid.)
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(the returned sal pc and end fields are not valid.)
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and set the current default to whatever is in SAL.
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and set the current default to whatever is in SAL.
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NOTE: The returned sal pc and end fields are not valid. */
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NOTE: The returned sal pc and end fields are not valid. */
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struct symtab_and_line
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struct symtab_and_line
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set_current_source_symtab_and_line (const struct symtab_and_line *sal)
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set_current_source_symtab_and_line (const struct symtab_and_line *sal)
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{
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{
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struct symtab_and_line cursal = { 0 };
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struct symtab_and_line cursal = { 0 };
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cursal.symtab = current_source_symtab;
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cursal.symtab = current_source_symtab;
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cursal.line = current_source_line;
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cursal.line = current_source_line;
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current_source_symtab = sal->symtab;
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current_source_symtab = sal->symtab;
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current_source_line = sal->line;
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current_source_line = sal->line;
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cursal.pc = 0;
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cursal.pc = 0;
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cursal.end = 0;
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cursal.end = 0;
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return cursal;
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return cursal;
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}
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}
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/* Reset any information stored about a default file and line to print. */
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/* Reset any information stored about a default file and line to print. */
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void
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void
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clear_current_source_symtab_and_line (void)
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clear_current_source_symtab_and_line (void)
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{
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{
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current_source_symtab = 0;
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current_source_symtab = 0;
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current_source_line = 0;
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current_source_line = 0;
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}
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}
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/* Set the source file default for the "list" command to be S.
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/* Set the source file default for the "list" command to be S.
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If S is NULL, and we don't have a default, find one. This
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If S is NULL, and we don't have a default, find one. This
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should only be called when the user actually tries to use the
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should only be called when the user actually tries to use the
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default, since we produce an error if we can't find a reasonable
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default, since we produce an error if we can't find a reasonable
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default. Also, since this can cause symbols to be read, doing it
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default. Also, since this can cause symbols to be read, doing it
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before we need to would make things slower than necessary. */
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before we need to would make things slower than necessary. */
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void
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void
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select_source_symtab (struct symtab *s)
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select_source_symtab (struct symtab *s)
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{
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{
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struct symtabs_and_lines sals;
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struct symtabs_and_lines sals;
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struct symtab_and_line sal;
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struct symtab_and_line sal;
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struct partial_symtab *ps;
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struct partial_symtab *ps;
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struct partial_symtab *cs_pst = 0;
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struct partial_symtab *cs_pst = 0;
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struct objfile *ofp;
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struct objfile *ofp;
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if (s)
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if (s)
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{
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{
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current_source_symtab = s;
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current_source_symtab = s;
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current_source_line = 1;
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current_source_line = 1;
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return;
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return;
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}
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}
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if (current_source_symtab)
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if (current_source_symtab)
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return;
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return;
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/* Make the default place to list be the function `main'
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/* Make the default place to list be the function `main'
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if one exists. */
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if one exists. */
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if (lookup_symbol (main_name (), 0, VAR_DOMAIN, 0, NULL))
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if (lookup_symbol (main_name (), 0, VAR_DOMAIN, 0, NULL))
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{
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{
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sals = decode_line_spec (main_name (), 1);
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sals = decode_line_spec (main_name (), 1);
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sal = sals.sals[0];
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sal = sals.sals[0];
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xfree (sals.sals);
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xfree (sals.sals);
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current_source_symtab = sal.symtab;
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current_source_symtab = sal.symtab;
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current_source_line = max (sal.line - (lines_to_list - 1), 1);
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current_source_line = max (sal.line - (lines_to_list - 1), 1);
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if (current_source_symtab)
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if (current_source_symtab)
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return;
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return;
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}
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}
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/* All right; find the last file in the symtab list (ignoring .h's). */
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/* All right; find the last file in the symtab list (ignoring .h's). */
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current_source_line = 1;
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current_source_line = 1;
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for (ofp = object_files; ofp != NULL; ofp = ofp->next)
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for (ofp = object_files; ofp != NULL; ofp = ofp->next)
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{
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{
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for (s = ofp->symtabs; s; s = s->next)
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for (s = ofp->symtabs; s; s = s->next)
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{
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{
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const char *name = s->filename;
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const char *name = s->filename;
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int len = strlen (name);
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int len = strlen (name);
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if (!(len > 2 && strcmp(&name[len - 2], ".h") == 0))
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if (!(len > 2 && strcmp(&name[len - 2], ".h") == 0))
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current_source_symtab = s;
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current_source_symtab = s;
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}
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}
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}
|
}
|
if (current_source_symtab)
|
if (current_source_symtab)
|
return;
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return;
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|
|
/* Howabout the partial symbol tables? */
|
/* Howabout the partial symbol tables? */
|
|
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for (ofp = object_files; ofp != NULL; ofp = ofp->next)
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for (ofp = object_files; ofp != NULL; ofp = ofp->next)
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{
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{
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for (ps = ofp->psymtabs; ps != NULL; ps = ps->next)
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for (ps = ofp->psymtabs; ps != NULL; ps = ps->next)
|
{
|
{
|
const char *name = ps->filename;
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const char *name = ps->filename;
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int len = strlen (name);
|
int len = strlen (name);
|
if (!(len > 2 && strcmp (&name[len - 2], ".h") == 0))
|
if (!(len > 2 && strcmp (&name[len - 2], ".h") == 0))
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cs_pst = ps;
|
cs_pst = ps;
|
}
|
}
|
}
|
}
|
if (cs_pst)
|
if (cs_pst)
|
{
|
{
|
if (cs_pst->readin)
|
if (cs_pst->readin)
|
{
|
{
|
internal_error (__FILE__, __LINE__,
|
internal_error (__FILE__, __LINE__,
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_("select_source_symtab: "
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_("select_source_symtab: "
|
"readin pst found and no symtabs."));
|
"readin pst found and no symtabs."));
|
}
|
}
|
else
|
else
|
{
|
{
|
current_source_symtab = PSYMTAB_TO_SYMTAB (cs_pst);
|
current_source_symtab = PSYMTAB_TO_SYMTAB (cs_pst);
|
}
|
}
|
}
|
}
|
if (current_source_symtab)
|
if (current_source_symtab)
|
return;
|
return;
|
|
|
error (_("Can't find a default source file"));
|
error (_("Can't find a default source file"));
|
}
|
}
|
|
|
static void
|
static void
|
show_directories (char *ignore, int from_tty)
|
show_directories (char *ignore, int from_tty)
|
{
|
{
|
puts_filtered ("Source directories searched: ");
|
puts_filtered ("Source directories searched: ");
|
puts_filtered (source_path);
|
puts_filtered (source_path);
|
puts_filtered ("\n");
|
puts_filtered ("\n");
|
}
|
}
|
|
|
/* Forget what we learned about line positions in source files, and
|
/* Forget what we learned about line positions in source files, and
|
which directories contain them; must check again now since files
|
which directories contain them; must check again now since files
|
may be found in a different directory now. */
|
may be found in a different directory now. */
|
|
|
void
|
void
|
forget_cached_source_info (void)
|
forget_cached_source_info (void)
|
{
|
{
|
struct symtab *s;
|
struct symtab *s;
|
struct objfile *objfile;
|
struct objfile *objfile;
|
struct partial_symtab *pst;
|
struct partial_symtab *pst;
|
|
|
for (objfile = object_files; objfile != NULL; objfile = objfile->next)
|
for (objfile = object_files; objfile != NULL; objfile = objfile->next)
|
{
|
{
|
for (s = objfile->symtabs; s != NULL; s = s->next)
|
for (s = objfile->symtabs; s != NULL; s = s->next)
|
{
|
{
|
if (s->line_charpos != NULL)
|
if (s->line_charpos != NULL)
|
{
|
{
|
xfree (s->line_charpos);
|
xfree (s->line_charpos);
|
s->line_charpos = NULL;
|
s->line_charpos = NULL;
|
}
|
}
|
if (s->fullname != NULL)
|
if (s->fullname != NULL)
|
{
|
{
|
xfree (s->fullname);
|
xfree (s->fullname);
|
s->fullname = NULL;
|
s->fullname = NULL;
|
}
|
}
|
}
|
}
|
|
|
ALL_OBJFILE_PSYMTABS (objfile, pst)
|
ALL_OBJFILE_PSYMTABS (objfile, pst)
|
{
|
{
|
if (pst->fullname != NULL)
|
if (pst->fullname != NULL)
|
{
|
{
|
xfree (pst->fullname);
|
xfree (pst->fullname);
|
pst->fullname = NULL;
|
pst->fullname = NULL;
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
void
|
void
|
init_source_path (void)
|
init_source_path (void)
|
{
|
{
|
char buf[20];
|
char buf[20];
|
|
|
sprintf (buf, "$cdir%c$cwd", DIRNAME_SEPARATOR);
|
sprintf (buf, "$cdir%c$cwd", DIRNAME_SEPARATOR);
|
source_path = xstrdup (buf);
|
source_path = xstrdup (buf);
|
forget_cached_source_info ();
|
forget_cached_source_info ();
|
}
|
}
|
|
|
void
|
void
|
init_last_source_visited (void)
|
init_last_source_visited (void)
|
{
|
{
|
last_source_visited = NULL;
|
last_source_visited = NULL;
|
}
|
}
|
|
|
/* Add zero or more directories to the front of the source path. */
|
/* Add zero or more directories to the front of the source path. */
|
|
|
void
|
void
|
directory_command (char *dirname, int from_tty)
|
directory_command (char *dirname, int from_tty)
|
{
|
{
|
dont_repeat ();
|
dont_repeat ();
|
/* FIXME, this goes to "delete dir"... */
|
/* FIXME, this goes to "delete dir"... */
|
if (dirname == 0)
|
if (dirname == 0)
|
{
|
{
|
if (from_tty && query (_("Reinitialize source path to empty? ")))
|
if (from_tty && query (_("Reinitialize source path to empty? ")))
|
{
|
{
|
xfree (source_path);
|
xfree (source_path);
|
init_source_path ();
|
init_source_path ();
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
mod_path (dirname, &source_path);
|
mod_path (dirname, &source_path);
|
last_source_visited = NULL;
|
last_source_visited = NULL;
|
}
|
}
|
if (from_tty)
|
if (from_tty)
|
show_directories ((char *) 0, from_tty);
|
show_directories ((char *) 0, from_tty);
|
forget_cached_source_info ();
|
forget_cached_source_info ();
|
}
|
}
|
|
|
/* Add a path given with the -d command line switch.
|
/* Add a path given with the -d command line switch.
|
This will not be quoted so we must not treat spaces as separators. */
|
This will not be quoted so we must not treat spaces as separators. */
|
|
|
void
|
void
|
directory_switch (char *dirname, int from_tty)
|
directory_switch (char *dirname, int from_tty)
|
{
|
{
|
add_path (dirname, &source_path, 0);
|
add_path (dirname, &source_path, 0);
|
}
|
}
|
|
|
/* Add zero or more directories to the front of an arbitrary path. */
|
/* Add zero or more directories to the front of an arbitrary path. */
|
|
|
void
|
void
|
mod_path (char *dirname, char **which_path)
|
mod_path (char *dirname, char **which_path)
|
{
|
{
|
add_path (dirname, which_path, 1);
|
add_path (dirname, which_path, 1);
|
}
|
}
|
|
|
/* Workhorse of mod_path. Takes an extra argument to determine
|
/* Workhorse of mod_path. Takes an extra argument to determine
|
if dirname should be parsed for separators that indicate multiple
|
if dirname should be parsed for separators that indicate multiple
|
directories. This allows for interfaces that pre-parse the dirname
|
directories. This allows for interfaces that pre-parse the dirname
|
and allow specification of traditional separator characters such
|
and allow specification of traditional separator characters such
|
as space or tab. */
|
as space or tab. */
|
|
|
void
|
void
|
add_path (char *dirname, char **which_path, int parse_separators)
|
add_path (char *dirname, char **which_path, int parse_separators)
|
{
|
{
|
char *old = *which_path;
|
char *old = *which_path;
|
int prefix = 0;
|
int prefix = 0;
|
char **argv = NULL;
|
char **argv = NULL;
|
char *arg;
|
char *arg;
|
int argv_index = 0;
|
int argv_index = 0;
|
|
|
if (dirname == 0)
|
if (dirname == 0)
|
return;
|
return;
|
|
|
if (parse_separators)
|
if (parse_separators)
|
{
|
{
|
/* This will properly parse the space and tab separators
|
/* This will properly parse the space and tab separators
|
and any quotes that may exist. DIRNAME_SEPARATOR will
|
and any quotes that may exist. DIRNAME_SEPARATOR will
|
be dealt with later. */
|
be dealt with later. */
|
argv = buildargv (dirname);
|
argv = buildargv (dirname);
|
make_cleanup_freeargv (argv);
|
make_cleanup_freeargv (argv);
|
|
|
if (argv == NULL)
|
if (argv == NULL)
|
nomem (0);
|
nomem (0);
|
|
|
arg = argv[0];
|
arg = argv[0];
|
}
|
}
|
else
|
else
|
{
|
{
|
arg = xstrdup (dirname);
|
arg = xstrdup (dirname);
|
make_cleanup (xfree, arg);
|
make_cleanup (xfree, arg);
|
}
|
}
|
|
|
do
|
do
|
{
|
{
|
char *name = arg;
|
char *name = arg;
|
char *p;
|
char *p;
|
struct stat st;
|
struct stat st;
|
|
|
{
|
{
|
char *separator = NULL;
|
char *separator = NULL;
|
|
|
/* Spaces and tabs will have been removed by buildargv().
|
/* Spaces and tabs will have been removed by buildargv().
|
The directories will there be split into a list but
|
The directories will there be split into a list but
|
each entry may still contain DIRNAME_SEPARATOR. */
|
each entry may still contain DIRNAME_SEPARATOR. */
|
if (parse_separators)
|
if (parse_separators)
|
separator = strchr (name, DIRNAME_SEPARATOR);
|
separator = strchr (name, DIRNAME_SEPARATOR);
|
|
|
if (separator == 0)
|
if (separator == 0)
|
p = arg = name + strlen (name);
|
p = arg = name + strlen (name);
|
else
|
else
|
{
|
{
|
p = separator;
|
p = separator;
|
arg = p + 1;
|
arg = p + 1;
|
while (*arg == DIRNAME_SEPARATOR)
|
while (*arg == DIRNAME_SEPARATOR)
|
++arg;
|
++arg;
|
}
|
}
|
|
|
/* If there are no more directories in this argument then start
|
/* If there are no more directories in this argument then start
|
on the next argument next time round the loop (if any). */
|
on the next argument next time round the loop (if any). */
|
if (*arg == '\0')
|
if (*arg == '\0')
|
arg = parse_separators ? argv[++argv_index] : NULL;
|
arg = parse_separators ? argv[++argv_index] : NULL;
|
}
|
}
|
|
|
/* name is the start of the directory.
|
/* name is the start of the directory.
|
p is the separator (or null) following the end. */
|
p is the separator (or null) following the end. */
|
|
|
while (!(IS_DIR_SEPARATOR (*name) && p <= name + 1) /* "/" */
|
while (!(IS_DIR_SEPARATOR (*name) && p <= name + 1) /* "/" */
|
#ifdef HAVE_DOS_BASED_FILE_SYSTEM
|
#ifdef HAVE_DOS_BASED_FILE_SYSTEM
|
/* On MS-DOS and MS-Windows, h:\ is different from h: */
|
/* On MS-DOS and MS-Windows, h:\ is different from h: */
|
&& !(p == name + 3 && name[1] == ':') /* "d:/" */
|
&& !(p == name + 3 && name[1] == ':') /* "d:/" */
|
#endif
|
#endif
|
&& IS_DIR_SEPARATOR (p[-1]))
|
&& IS_DIR_SEPARATOR (p[-1]))
|
/* Sigh. "foo/" => "foo" */
|
/* Sigh. "foo/" => "foo" */
|
--p;
|
--p;
|
*p = '\0';
|
*p = '\0';
|
|
|
while (p > name && p[-1] == '.')
|
while (p > name && p[-1] == '.')
|
{
|
{
|
if (p - name == 1)
|
if (p - name == 1)
|
{
|
{
|
/* "." => getwd (). */
|
/* "." => getwd (). */
|
name = current_directory;
|
name = current_directory;
|
goto append;
|
goto append;
|
}
|
}
|
else if (p > name + 1 && IS_DIR_SEPARATOR (p[-2]))
|
else if (p > name + 1 && IS_DIR_SEPARATOR (p[-2]))
|
{
|
{
|
if (p - name == 2)
|
if (p - name == 2)
|
{
|
{
|
/* "/." => "/". */
|
/* "/." => "/". */
|
*--p = '\0';
|
*--p = '\0';
|
goto append;
|
goto append;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* "...foo/." => "...foo". */
|
/* "...foo/." => "...foo". */
|
p -= 2;
|
p -= 2;
|
*p = '\0';
|
*p = '\0';
|
continue;
|
continue;
|
}
|
}
|
}
|
}
|
else
|
else
|
break;
|
break;
|
}
|
}
|
|
|
if (name[0] == '~')
|
if (name[0] == '~')
|
name = tilde_expand (name);
|
name = tilde_expand (name);
|
#ifdef HAVE_DOS_BASED_FILE_SYSTEM
|
#ifdef HAVE_DOS_BASED_FILE_SYSTEM
|
else if (IS_ABSOLUTE_PATH (name) && p == name + 2) /* "d:" => "d:." */
|
else if (IS_ABSOLUTE_PATH (name) && p == name + 2) /* "d:" => "d:." */
|
name = concat (name, ".", (char *)NULL);
|
name = concat (name, ".", (char *)NULL);
|
#endif
|
#endif
|
else if (!IS_ABSOLUTE_PATH (name) && name[0] != '$')
|
else if (!IS_ABSOLUTE_PATH (name) && name[0] != '$')
|
name = concat (current_directory, SLASH_STRING, name, (char *)NULL);
|
name = concat (current_directory, SLASH_STRING, name, (char *)NULL);
|
else
|
else
|
name = savestring (name, p - name);
|
name = savestring (name, p - name);
|
make_cleanup (xfree, name);
|
make_cleanup (xfree, name);
|
|
|
/* Unless it's a variable, check existence. */
|
/* Unless it's a variable, check existence. */
|
if (name[0] != '$')
|
if (name[0] != '$')
|
{
|
{
|
/* These are warnings, not errors, since we don't want a
|
/* These are warnings, not errors, since we don't want a
|
non-existent directory in a .gdbinit file to stop processing
|
non-existent directory in a .gdbinit file to stop processing
|
of the .gdbinit file.
|
of the .gdbinit file.
|
|
|
Whether they get added to the path is more debatable. Current
|
Whether they get added to the path is more debatable. Current
|
answer is yes, in case the user wants to go make the directory
|
answer is yes, in case the user wants to go make the directory
|
or whatever. If the directory continues to not exist/not be
|
or whatever. If the directory continues to not exist/not be
|
a directory/etc, then having them in the path should be
|
a directory/etc, then having them in the path should be
|
harmless. */
|
harmless. */
|
if (stat (name, &st) < 0)
|
if (stat (name, &st) < 0)
|
{
|
{
|
int save_errno = errno;
|
int save_errno = errno;
|
fprintf_unfiltered (gdb_stderr, "Warning: ");
|
fprintf_unfiltered (gdb_stderr, "Warning: ");
|
print_sys_errmsg (name, save_errno);
|
print_sys_errmsg (name, save_errno);
|
}
|
}
|
else if ((st.st_mode & S_IFMT) != S_IFDIR)
|
else if ((st.st_mode & S_IFMT) != S_IFDIR)
|
warning (_("%s is not a directory."), name);
|
warning (_("%s is not a directory."), name);
|
}
|
}
|
|
|
append:
|
append:
|
{
|
{
|
unsigned int len = strlen (name);
|
unsigned int len = strlen (name);
|
|
|
p = *which_path;
|
p = *which_path;
|
while (1)
|
while (1)
|
{
|
{
|
/* FIXME: strncmp loses in interesting ways on MS-DOS and
|
/* FIXME: strncmp loses in interesting ways on MS-DOS and
|
MS-Windows because of case-insensitivity and two different
|
MS-Windows because of case-insensitivity and two different
|
but functionally identical slash characters. We need a
|
but functionally identical slash characters. We need a
|
special filesystem-dependent file-name comparison function.
|
special filesystem-dependent file-name comparison function.
|
|
|
Actually, even on Unix I would use realpath() or its work-
|
Actually, even on Unix I would use realpath() or its work-
|
alike before comparing. Then all the code above which
|
alike before comparing. Then all the code above which
|
removes excess slashes and dots could simply go away. */
|
removes excess slashes and dots could simply go away. */
|
if (!strncmp (p, name, len)
|
if (!strncmp (p, name, len)
|
&& (p[len] == '\0' || p[len] == DIRNAME_SEPARATOR))
|
&& (p[len] == '\0' || p[len] == DIRNAME_SEPARATOR))
|
{
|
{
|
/* Found it in the search path, remove old copy */
|
/* Found it in the search path, remove old copy */
|
if (p > *which_path)
|
if (p > *which_path)
|
p--; /* Back over leading separator */
|
p--; /* Back over leading separator */
|
if (prefix > p - *which_path)
|
if (prefix > p - *which_path)
|
goto skip_dup; /* Same dir twice in one cmd */
|
goto skip_dup; /* Same dir twice in one cmd */
|
strcpy (p, &p[len + 1]); /* Copy from next \0 or : */
|
strcpy (p, &p[len + 1]); /* Copy from next \0 or : */
|
}
|
}
|
p = strchr (p, DIRNAME_SEPARATOR);
|
p = strchr (p, DIRNAME_SEPARATOR);
|
if (p != 0)
|
if (p != 0)
|
++p;
|
++p;
|
else
|
else
|
break;
|
break;
|
}
|
}
|
if (p == 0)
|
if (p == 0)
|
{
|
{
|
char tinybuf[2];
|
char tinybuf[2];
|
|
|
tinybuf[0] = DIRNAME_SEPARATOR;
|
tinybuf[0] = DIRNAME_SEPARATOR;
|
tinybuf[1] = '\0';
|
tinybuf[1] = '\0';
|
|
|
/* If we have already tacked on a name(s) in this command, be sure they stay
|
/* If we have already tacked on a name(s) in this command, be sure they stay
|
on the front as we tack on some more. */
|
on the front as we tack on some more. */
|
if (prefix)
|
if (prefix)
|
{
|
{
|
char *temp, c;
|
char *temp, c;
|
|
|
c = old[prefix];
|
c = old[prefix];
|
old[prefix] = '\0';
|
old[prefix] = '\0';
|
temp = concat (old, tinybuf, name, (char *)NULL);
|
temp = concat (old, tinybuf, name, (char *)NULL);
|
old[prefix] = c;
|
old[prefix] = c;
|
*which_path = concat (temp, "", &old[prefix], (char *)NULL);
|
*which_path = concat (temp, "", &old[prefix], (char *)NULL);
|
prefix = strlen (temp);
|
prefix = strlen (temp);
|
xfree (temp);
|
xfree (temp);
|
}
|
}
|
else
|
else
|
{
|
{
|
*which_path = concat (name, (old[0] ? tinybuf : old),
|
*which_path = concat (name, (old[0] ? tinybuf : old),
|
old, (char *)NULL);
|
old, (char *)NULL);
|
prefix = strlen (name);
|
prefix = strlen (name);
|
}
|
}
|
xfree (old);
|
xfree (old);
|
old = *which_path;
|
old = *which_path;
|
}
|
}
|
}
|
}
|
skip_dup:;
|
skip_dup:;
|
}
|
}
|
while (arg != NULL);
|
while (arg != NULL);
|
}
|
}
|
|
|
|
|
static void
|
static void
|
source_info (char *ignore, int from_tty)
|
source_info (char *ignore, int from_tty)
|
{
|
{
|
struct symtab *s = current_source_symtab;
|
struct symtab *s = current_source_symtab;
|
|
|
if (!s)
|
if (!s)
|
{
|
{
|
printf_filtered (_("No current source file.\n"));
|
printf_filtered (_("No current source file.\n"));
|
return;
|
return;
|
}
|
}
|
printf_filtered (_("Current source file is %s\n"), s->filename);
|
printf_filtered (_("Current source file is %s\n"), s->filename);
|
if (s->dirname)
|
if (s->dirname)
|
printf_filtered (_("Compilation directory is %s\n"), s->dirname);
|
printf_filtered (_("Compilation directory is %s\n"), s->dirname);
|
if (s->fullname)
|
if (s->fullname)
|
printf_filtered (_("Located in %s\n"), s->fullname);
|
printf_filtered (_("Located in %s\n"), s->fullname);
|
if (s->nlines)
|
if (s->nlines)
|
printf_filtered (_("Contains %d line%s.\n"), s->nlines,
|
printf_filtered (_("Contains %d line%s.\n"), s->nlines,
|
s->nlines == 1 ? "" : "s");
|
s->nlines == 1 ? "" : "s");
|
|
|
printf_filtered (_("Source language is %s.\n"), language_str (s->language));
|
printf_filtered (_("Source language is %s.\n"), language_str (s->language));
|
printf_filtered (_("Compiled with %s debugging format.\n"), s->debugformat);
|
printf_filtered (_("Compiled with %s debugging format.\n"), s->debugformat);
|
printf_filtered (_("%s preprocessor macro info.\n"),
|
printf_filtered (_("%s preprocessor macro info.\n"),
|
s->macro_table ? "Includes" : "Does not include");
|
s->macro_table ? "Includes" : "Does not include");
|
}
|
}
|
|
|
|
|
/* Return True if the file NAME exists and is a regular file */
|
/* Return True if the file NAME exists and is a regular file */
|
static int
|
static int
|
is_regular_file (const char *name)
|
is_regular_file (const char *name)
|
{
|
{
|
struct stat st;
|
struct stat st;
|
const int status = stat (name, &st);
|
const int status = stat (name, &st);
|
|
|
/* Stat should never fail except when the file does not exist.
|
/* Stat should never fail except when the file does not exist.
|
If stat fails, analyze the source of error and return True
|
If stat fails, analyze the source of error and return True
|
unless the file does not exist, to avoid returning false results
|
unless the file does not exist, to avoid returning false results
|
on obscure systems where stat does not work as expected.
|
on obscure systems where stat does not work as expected.
|
*/
|
*/
|
if (status != 0)
|
if (status != 0)
|
return (errno != ENOENT);
|
return (errno != ENOENT);
|
|
|
return S_ISREG (st.st_mode);
|
return S_ISREG (st.st_mode);
|
}
|
}
|
|
|
/* Open a file named STRING, searching path PATH (dir names sep by some char)
|
/* Open a file named STRING, searching path PATH (dir names sep by some char)
|
using mode MODE and protection bits PROT in the calls to open.
|
using mode MODE and protection bits PROT in the calls to open.
|
|
|
OPTS specifies the function behaviour in specific cases.
|
OPTS specifies the function behaviour in specific cases.
|
|
|
If OPF_TRY_CWD_FIRST, try to open ./STRING before searching PATH.
|
If OPF_TRY_CWD_FIRST, try to open ./STRING before searching PATH.
|
(ie pretend the first element of PATH is "."). This also indicates
|
(ie pretend the first element of PATH is "."). This also indicates
|
that a slash in STRING disables searching of the path (this is
|
that a slash in STRING disables searching of the path (this is
|
so that "exec-file ./foo" or "symbol-file ./foo" insures that you
|
so that "exec-file ./foo" or "symbol-file ./foo" insures that you
|
get that particular version of foo or an error message).
|
get that particular version of foo or an error message).
|
|
|
If OPTS has OPF_SEARCH_IN_PATH set, absolute names will also be
|
If OPTS has OPF_SEARCH_IN_PATH set, absolute names will also be
|
searched in path (we usually want this for source files but not for
|
searched in path (we usually want this for source files but not for
|
executables).
|
executables).
|
|
|
If FILENAME_OPENED is non-null, set it to a newly allocated string naming
|
If FILENAME_OPENED is non-null, set it to a newly allocated string naming
|
the actual file opened (this string will always start with a "/"). We
|
the actual file opened (this string will always start with a "/"). We
|
have to take special pains to avoid doubling the "/" between the directory
|
have to take special pains to avoid doubling the "/" between the directory
|
and the file, sigh! Emacs gets confuzzed by this when we print the
|
and the file, sigh! Emacs gets confuzzed by this when we print the
|
source file name!!!
|
source file name!!!
|
|
|
If a file is found, return the descriptor.
|
If a file is found, return the descriptor.
|
Otherwise, return -1, with errno set for the last name we tried to open. */
|
Otherwise, return -1, with errno set for the last name we tried to open. */
|
|
|
/* >>>> This should only allow files of certain types,
|
/* >>>> This should only allow files of certain types,
|
>>>> eg executable, non-directory */
|
>>>> eg executable, non-directory */
|
int
|
int
|
openp (const char *path, int opts, const char *string,
|
openp (const char *path, int opts, const char *string,
|
int mode, int prot,
|
int mode, int prot,
|
char **filename_opened)
|
char **filename_opened)
|
{
|
{
|
int fd;
|
int fd;
|
char *filename;
|
char *filename;
|
const char *p;
|
const char *p;
|
const char *p1;
|
const char *p1;
|
int len;
|
int len;
|
int alloclen;
|
int alloclen;
|
|
|
if (!path)
|
if (!path)
|
path = ".";
|
path = ".";
|
|
|
mode |= O_BINARY;
|
mode |= O_BINARY;
|
|
|
if ((opts & OPF_TRY_CWD_FIRST) || IS_ABSOLUTE_PATH (string))
|
if ((opts & OPF_TRY_CWD_FIRST) || IS_ABSOLUTE_PATH (string))
|
{
|
{
|
int i;
|
int i;
|
|
|
if (is_regular_file (string))
|
if (is_regular_file (string))
|
{
|
{
|
filename = alloca (strlen (string) + 1);
|
filename = alloca (strlen (string) + 1);
|
strcpy (filename, string);
|
strcpy (filename, string);
|
fd = open (filename, mode, prot);
|
fd = open (filename, mode, prot);
|
if (fd >= 0)
|
if (fd >= 0)
|
goto done;
|
goto done;
|
}
|
}
|
else
|
else
|
{
|
{
|
filename = NULL;
|
filename = NULL;
|
fd = -1;
|
fd = -1;
|
}
|
}
|
|
|
if (!(opts & OPF_SEARCH_IN_PATH))
|
if (!(opts & OPF_SEARCH_IN_PATH))
|
for (i = 0; string[i]; i++)
|
for (i = 0; string[i]; i++)
|
if (IS_DIR_SEPARATOR (string[i]))
|
if (IS_DIR_SEPARATOR (string[i]))
|
goto done;
|
goto done;
|
}
|
}
|
|
|
/* /foo => foo, to avoid multiple slashes that Emacs doesn't like. */
|
/* /foo => foo, to avoid multiple slashes that Emacs doesn't like. */
|
while (IS_DIR_SEPARATOR(string[0]))
|
while (IS_DIR_SEPARATOR(string[0]))
|
string++;
|
string++;
|
|
|
/* ./foo => foo */
|
/* ./foo => foo */
|
while (string[0] == '.' && IS_DIR_SEPARATOR (string[1]))
|
while (string[0] == '.' && IS_DIR_SEPARATOR (string[1]))
|
string += 2;
|
string += 2;
|
|
|
alloclen = strlen (path) + strlen (string) + 2;
|
alloclen = strlen (path) + strlen (string) + 2;
|
filename = alloca (alloclen);
|
filename = alloca (alloclen);
|
fd = -1;
|
fd = -1;
|
for (p = path; p; p = p1 ? p1 + 1 : 0)
|
for (p = path; p; p = p1 ? p1 + 1 : 0)
|
{
|
{
|
p1 = strchr (p, DIRNAME_SEPARATOR);
|
p1 = strchr (p, DIRNAME_SEPARATOR);
|
if (p1)
|
if (p1)
|
len = p1 - p;
|
len = p1 - p;
|
else
|
else
|
len = strlen (p);
|
len = strlen (p);
|
|
|
if (len == 4 && p[0] == '$' && p[1] == 'c'
|
if (len == 4 && p[0] == '$' && p[1] == 'c'
|
&& p[2] == 'w' && p[3] == 'd')
|
&& p[2] == 'w' && p[3] == 'd')
|
{
|
{
|
/* Name is $cwd -- insert current directory name instead. */
|
/* Name is $cwd -- insert current directory name instead. */
|
int newlen;
|
int newlen;
|
|
|
/* First, realloc the filename buffer if too short. */
|
/* First, realloc the filename buffer if too short. */
|
len = strlen (current_directory);
|
len = strlen (current_directory);
|
newlen = len + strlen (string) + 2;
|
newlen = len + strlen (string) + 2;
|
if (newlen > alloclen)
|
if (newlen > alloclen)
|
{
|
{
|
alloclen = newlen;
|
alloclen = newlen;
|
filename = alloca (alloclen);
|
filename = alloca (alloclen);
|
}
|
}
|
strcpy (filename, current_directory);
|
strcpy (filename, current_directory);
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Normal file name in path -- just use it. */
|
/* Normal file name in path -- just use it. */
|
strncpy (filename, p, len);
|
strncpy (filename, p, len);
|
filename[len] = 0;
|
filename[len] = 0;
|
}
|
}
|
|
|
/* Remove trailing slashes */
|
/* Remove trailing slashes */
|
while (len > 0 && IS_DIR_SEPARATOR (filename[len - 1]))
|
while (len > 0 && IS_DIR_SEPARATOR (filename[len - 1]))
|
filename[--len] = 0;
|
filename[--len] = 0;
|
|
|
strcat (filename + len, SLASH_STRING);
|
strcat (filename + len, SLASH_STRING);
|
strcat (filename, string);
|
strcat (filename, string);
|
|
|
if (is_regular_file (filename))
|
if (is_regular_file (filename))
|
{
|
{
|
fd = open (filename, mode);
|
fd = open (filename, mode);
|
if (fd >= 0)
|
if (fd >= 0)
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
done:
|
done:
|
if (filename_opened)
|
if (filename_opened)
|
{
|
{
|
/* If a file was opened, canonicalize its filename. Use xfullpath
|
/* If a file was opened, canonicalize its filename. Use xfullpath
|
rather than gdb_realpath to avoid resolving the basename part
|
rather than gdb_realpath to avoid resolving the basename part
|
of filenames when the associated file is a symbolic link. This
|
of filenames when the associated file is a symbolic link. This
|
fixes a potential inconsistency between the filenames known to
|
fixes a potential inconsistency between the filenames known to
|
GDB and the filenames it prints in the annotations. */
|
GDB and the filenames it prints in the annotations. */
|
if (fd < 0)
|
if (fd < 0)
|
*filename_opened = NULL;
|
*filename_opened = NULL;
|
else if (IS_ABSOLUTE_PATH (filename))
|
else if (IS_ABSOLUTE_PATH (filename))
|
*filename_opened = xfullpath (filename);
|
*filename_opened = xfullpath (filename);
|
else
|
else
|
{
|
{
|
/* Beware the // my son, the Emacs barfs, the botch that catch... */
|
/* Beware the // my son, the Emacs barfs, the botch that catch... */
|
|
|
char *f = concat (current_directory,
|
char *f = concat (current_directory,
|
IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1])
|
IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1])
|
? "" : SLASH_STRING,
|
? "" : SLASH_STRING,
|
filename, (char *)NULL);
|
filename, (char *)NULL);
|
*filename_opened = xfullpath (f);
|
*filename_opened = xfullpath (f);
|
xfree (f);
|
xfree (f);
|
}
|
}
|
}
|
}
|
|
|
return fd;
|
return fd;
|
}
|
}
|
|
|
|
|
/* This is essentially a convenience, for clients that want the behaviour
|
/* This is essentially a convenience, for clients that want the behaviour
|
of openp, using source_path, but that really don't want the file to be
|
of openp, using source_path, but that really don't want the file to be
|
opened but want instead just to know what the full pathname is (as
|
opened but want instead just to know what the full pathname is (as
|
qualified against source_path).
|
qualified against source_path).
|
|
|
The current working directory is searched first.
|
The current working directory is searched first.
|
|
|
If the file was found, this function returns 1, and FULL_PATHNAME is
|
If the file was found, this function returns 1, and FULL_PATHNAME is
|
set to the fully-qualified pathname.
|
set to the fully-qualified pathname.
|
|
|
Else, this functions returns 0, and FULL_PATHNAME is set to NULL. */
|
Else, this functions returns 0, and FULL_PATHNAME is set to NULL. */
|
int
|
int
|
source_full_path_of (char *filename, char **full_pathname)
|
source_full_path_of (char *filename, char **full_pathname)
|
{
|
{
|
int fd;
|
int fd;
|
|
|
fd = openp (source_path, OPF_TRY_CWD_FIRST | OPF_SEARCH_IN_PATH, filename,
|
fd = openp (source_path, OPF_TRY_CWD_FIRST | OPF_SEARCH_IN_PATH, filename,
|
O_RDONLY, 0, full_pathname);
|
O_RDONLY, 0, full_pathname);
|
if (fd < 0)
|
if (fd < 0)
|
{
|
{
|
*full_pathname = NULL;
|
*full_pathname = NULL;
|
return 0;
|
return 0;
|
}
|
}
|
|
|
close (fd);
|
close (fd);
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/* Return non-zero if RULE matches PATH, that is if the rule can be
|
/* Return non-zero if RULE matches PATH, that is if the rule can be
|
applied to PATH. */
|
applied to PATH. */
|
|
|
static int
|
static int
|
substitute_path_rule_matches (const struct substitute_path_rule *rule,
|
substitute_path_rule_matches (const struct substitute_path_rule *rule,
|
const char *path)
|
const char *path)
|
{
|
{
|
const int from_len = strlen (rule->from);
|
const int from_len = strlen (rule->from);
|
const int path_len = strlen (path);
|
const int path_len = strlen (path);
|
char *path_start;
|
char *path_start;
|
|
|
if (path_len < from_len)
|
if (path_len < from_len)
|
return 0;
|
return 0;
|
|
|
/* The substitution rules are anchored at the start of the path,
|
/* The substitution rules are anchored at the start of the path,
|
so the path should start with rule->from. There is no filename
|
so the path should start with rule->from. There is no filename
|
comparison routine, so we need to extract the first FROM_LEN
|
comparison routine, so we need to extract the first FROM_LEN
|
characters from PATH first and use that to do the comparison. */
|
characters from PATH first and use that to do the comparison. */
|
|
|
path_start = alloca (from_len + 1);
|
path_start = alloca (from_len + 1);
|
strncpy (path_start, path, from_len);
|
strncpy (path_start, path, from_len);
|
path_start[from_len] = '\0';
|
path_start[from_len] = '\0';
|
|
|
if (FILENAME_CMP (path_start, rule->from) != 0)
|
if (FILENAME_CMP (path_start, rule->from) != 0)
|
return 0;
|
return 0;
|
|
|
/* Make sure that the region in the path that matches the substitution
|
/* Make sure that the region in the path that matches the substitution
|
rule is immediately followed by a directory separator (or the end of
|
rule is immediately followed by a directory separator (or the end of
|
string character). */
|
string character). */
|
|
|
if (path[from_len] != '\0' && !IS_DIR_SEPARATOR (path[from_len]))
|
if (path[from_len] != '\0' && !IS_DIR_SEPARATOR (path[from_len]))
|
return 0;
|
return 0;
|
|
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/* Find the substitute-path rule that applies to PATH and return it.
|
/* Find the substitute-path rule that applies to PATH and return it.
|
Return NULL if no rule applies. */
|
Return NULL if no rule applies. */
|
|
|
static struct substitute_path_rule *
|
static struct substitute_path_rule *
|
get_substitute_path_rule (const char *path)
|
get_substitute_path_rule (const char *path)
|
{
|
{
|
struct substitute_path_rule *rule = substitute_path_rules;
|
struct substitute_path_rule *rule = substitute_path_rules;
|
|
|
while (rule != NULL && !substitute_path_rule_matches (rule, path))
|
while (rule != NULL && !substitute_path_rule_matches (rule, path))
|
rule = rule->next;
|
rule = rule->next;
|
|
|
return rule;
|
return rule;
|
}
|
}
|
|
|
/* If the user specified a source path substitution rule that applies
|
/* If the user specified a source path substitution rule that applies
|
to PATH, then apply it and return the new path. This new path must
|
to PATH, then apply it and return the new path. This new path must
|
be deallocated afterwards.
|
be deallocated afterwards.
|
|
|
Return NULL if no substitution rule was specified by the user,
|
Return NULL if no substitution rule was specified by the user,
|
or if no rule applied to the given PATH. */
|
or if no rule applied to the given PATH. */
|
|
|
static char *
|
static char *
|
rewrite_source_path (const char *path)
|
rewrite_source_path (const char *path)
|
{
|
{
|
const struct substitute_path_rule *rule = get_substitute_path_rule (path);
|
const struct substitute_path_rule *rule = get_substitute_path_rule (path);
|
char *new_path;
|
char *new_path;
|
int from_len;
|
int from_len;
|
|
|
if (rule == NULL)
|
if (rule == NULL)
|
return NULL;
|
return NULL;
|
|
|
from_len = strlen (rule->from);
|
from_len = strlen (rule->from);
|
|
|
/* Compute the rewritten path and return it. */
|
/* Compute the rewritten path and return it. */
|
|
|
new_path =
|
new_path =
|
(char *) xmalloc (strlen (path) + 1 + strlen (rule->to) - from_len);
|
(char *) xmalloc (strlen (path) + 1 + strlen (rule->to) - from_len);
|
strcpy (new_path, rule->to);
|
strcpy (new_path, rule->to);
|
strcat (new_path, path + from_len);
|
strcat (new_path, path + from_len);
|
|
|
return new_path;
|
return new_path;
|
}
|
}
|
|
|
/* This function is capable of finding the absolute path to a
|
/* This function is capable of finding the absolute path to a
|
source file, and opening it, provided you give it an
|
source file, and opening it, provided you give it an
|
OBJFILE and FILENAME. Both the DIRNAME and FULLNAME are only
|
OBJFILE and FILENAME. Both the DIRNAME and FULLNAME are only
|
added suggestions on where to find the file.
|
added suggestions on where to find the file.
|
|
|
OBJFILE should be the objfile associated with a psymtab or symtab.
|
OBJFILE should be the objfile associated with a psymtab or symtab.
|
FILENAME should be the filename to open.
|
FILENAME should be the filename to open.
|
DIRNAME is the compilation directory of a particular source file.
|
DIRNAME is the compilation directory of a particular source file.
|
Only some debug formats provide this info.
|
Only some debug formats provide this info.
|
FULLNAME can be the last known absolute path to the file in question.
|
FULLNAME can be the last known absolute path to the file in question.
|
|
|
On Success
|
On Success
|
A valid file descriptor is returned. ( the return value is positive )
|
A valid file descriptor is returned. ( the return value is positive )
|
FULLNAME is set to the absolute path to the file just opened.
|
FULLNAME is set to the absolute path to the file just opened.
|
|
|
On Failure
|
On Failure
|
An invalid file descriptor is returned. ( the return value is negative )
|
An invalid file descriptor is returned. ( the return value is negative )
|
FULLNAME is set to NULL. */
|
FULLNAME is set to NULL. */
|
int
|
int
|
find_and_open_source (struct objfile *objfile,
|
find_and_open_source (struct objfile *objfile,
|
const char *filename,
|
const char *filename,
|
const char *dirname,
|
const char *dirname,
|
char **fullname)
|
char **fullname)
|
{
|
{
|
char *path = source_path;
|
char *path = source_path;
|
const char *p;
|
const char *p;
|
int result;
|
int result;
|
|
|
/* Quick way out if we already know its full name */
|
/* Quick way out if we already know its full name */
|
|
|
if (*fullname)
|
if (*fullname)
|
{
|
{
|
/* The user may have requested that source paths be rewritten
|
/* The user may have requested that source paths be rewritten
|
according to substitution rules he provided. If a substitution
|
according to substitution rules he provided. If a substitution
|
rule applies to this path, then apply it. */
|
rule applies to this path, then apply it. */
|
char *rewritten_fullname = rewrite_source_path (*fullname);
|
char *rewritten_fullname = rewrite_source_path (*fullname);
|
|
|
if (rewritten_fullname != NULL)
|
if (rewritten_fullname != NULL)
|
{
|
{
|
xfree (*fullname);
|
xfree (*fullname);
|
*fullname = rewritten_fullname;
|
*fullname = rewritten_fullname;
|
}
|
}
|
|
|
result = open (*fullname, OPEN_MODE);
|
result = open (*fullname, OPEN_MODE);
|
if (result >= 0)
|
if (result >= 0)
|
return result;
|
return result;
|
/* Didn't work -- free old one, try again. */
|
/* Didn't work -- free old one, try again. */
|
xfree (*fullname);
|
xfree (*fullname);
|
*fullname = NULL;
|
*fullname = NULL;
|
}
|
}
|
|
|
if (dirname != NULL)
|
if (dirname != NULL)
|
{
|
{
|
/* If necessary, rewrite the compilation directory name according
|
/* If necessary, rewrite the compilation directory name according
|
to the source path substitution rules specified by the user. */
|
to the source path substitution rules specified by the user. */
|
|
|
char *rewritten_dirname = rewrite_source_path (dirname);
|
char *rewritten_dirname = rewrite_source_path (dirname);
|
|
|
if (rewritten_dirname != NULL)
|
if (rewritten_dirname != NULL)
|
{
|
{
|
make_cleanup (xfree, rewritten_dirname);
|
make_cleanup (xfree, rewritten_dirname);
|
dirname = rewritten_dirname;
|
dirname = rewritten_dirname;
|
}
|
}
|
|
|
/* Replace a path entry of $cdir with the compilation directory name */
|
/* Replace a path entry of $cdir with the compilation directory name */
|
#define cdir_len 5
|
#define cdir_len 5
|
/* We cast strstr's result in case an ANSIhole has made it const,
|
/* We cast strstr's result in case an ANSIhole has made it const,
|
which produces a "required warning" when assigned to a nonconst. */
|
which produces a "required warning" when assigned to a nonconst. */
|
p = (char *) strstr (source_path, "$cdir");
|
p = (char *) strstr (source_path, "$cdir");
|
if (p && (p == path || p[-1] == DIRNAME_SEPARATOR)
|
if (p && (p == path || p[-1] == DIRNAME_SEPARATOR)
|
&& (p[cdir_len] == DIRNAME_SEPARATOR || p[cdir_len] == '\0'))
|
&& (p[cdir_len] == DIRNAME_SEPARATOR || p[cdir_len] == '\0'))
|
{
|
{
|
int len;
|
int len;
|
|
|
path = (char *)
|
path = (char *)
|
alloca (strlen (source_path) + 1 + strlen (dirname) + 1);
|
alloca (strlen (source_path) + 1 + strlen (dirname) + 1);
|
len = p - source_path;
|
len = p - source_path;
|
strncpy (path, source_path, len); /* Before $cdir */
|
strncpy (path, source_path, len); /* Before $cdir */
|
strcpy (path + len, dirname); /* new stuff */
|
strcpy (path + len, dirname); /* new stuff */
|
strcat (path + len, source_path + len + cdir_len); /* After $cdir */
|
strcat (path + len, source_path + len + cdir_len); /* After $cdir */
|
}
|
}
|
}
|
}
|
|
|
if (IS_ABSOLUTE_PATH (filename))
|
if (IS_ABSOLUTE_PATH (filename))
|
{
|
{
|
/* If filename is absolute path, try the source path
|
/* If filename is absolute path, try the source path
|
substitution on it. */
|
substitution on it. */
|
char *rewritten_filename = rewrite_source_path (filename);
|
char *rewritten_filename = rewrite_source_path (filename);
|
|
|
if (rewritten_filename != NULL)
|
if (rewritten_filename != NULL)
|
{
|
{
|
make_cleanup (xfree, rewritten_filename);
|
make_cleanup (xfree, rewritten_filename);
|
filename = rewritten_filename;
|
filename = rewritten_filename;
|
}
|
}
|
}
|
}
|
|
|
result = openp (path, OPF_SEARCH_IN_PATH, filename, OPEN_MODE, 0, fullname);
|
result = openp (path, OPF_SEARCH_IN_PATH, filename, OPEN_MODE, 0, fullname);
|
if (result < 0)
|
if (result < 0)
|
{
|
{
|
/* Didn't work. Try using just the basename. */
|
/* Didn't work. Try using just the basename. */
|
p = lbasename (filename);
|
p = lbasename (filename);
|
if (p != filename)
|
if (p != filename)
|
result = openp (path, OPF_SEARCH_IN_PATH, p, OPEN_MODE, 0, fullname);
|
result = openp (path, OPF_SEARCH_IN_PATH, p, OPEN_MODE, 0, fullname);
|
}
|
}
|
|
|
if (result >= 0)
|
if (result >= 0)
|
{
|
{
|
char *tmp_fullname;
|
char *tmp_fullname;
|
tmp_fullname = *fullname;
|
tmp_fullname = *fullname;
|
*fullname = xstrdup (tmp_fullname);
|
*fullname = xstrdup (tmp_fullname);
|
xfree (tmp_fullname);
|
xfree (tmp_fullname);
|
}
|
}
|
return result;
|
return result;
|
}
|
}
|
|
|
/* Open a source file given a symtab S. Returns a file descriptor or
|
/* Open a source file given a symtab S. Returns a file descriptor or
|
negative number for error.
|
negative number for error.
|
|
|
This function is a convience function to find_and_open_source. */
|
This function is a convience function to find_and_open_source. */
|
|
|
int
|
int
|
open_source_file (struct symtab *s)
|
open_source_file (struct symtab *s)
|
{
|
{
|
if (!s)
|
if (!s)
|
return -1;
|
return -1;
|
|
|
return find_and_open_source (s->objfile, s->filename, s->dirname,
|
return find_and_open_source (s->objfile, s->filename, s->dirname,
|
&s->fullname);
|
&s->fullname);
|
}
|
}
|
|
|
/* Finds the fullname that a symtab represents.
|
/* Finds the fullname that a symtab represents.
|
|
|
If this functions finds the fullname, it will save it in ps->fullname
|
If this functions finds the fullname, it will save it in ps->fullname
|
and it will also return the value.
|
and it will also return the value.
|
|
|
If this function fails to find the file that this symtab represents,
|
If this function fails to find the file that this symtab represents,
|
NULL will be returned and ps->fullname will be set to NULL. */
|
NULL will be returned and ps->fullname will be set to NULL. */
|
char *
|
char *
|
symtab_to_fullname (struct symtab *s)
|
symtab_to_fullname (struct symtab *s)
|
{
|
{
|
int r;
|
int r;
|
|
|
if (!s)
|
if (!s)
|
return NULL;
|
return NULL;
|
|
|
/* Don't check s->fullname here, the file could have been
|
/* Don't check s->fullname here, the file could have been
|
deleted/moved/..., look for it again */
|
deleted/moved/..., look for it again */
|
r = find_and_open_source (s->objfile, s->filename, s->dirname,
|
r = find_and_open_source (s->objfile, s->filename, s->dirname,
|
&s->fullname);
|
&s->fullname);
|
|
|
if (r)
|
if (r)
|
{
|
{
|
close (r);
|
close (r);
|
return s->fullname;
|
return s->fullname;
|
}
|
}
|
|
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
/* Finds the fullname that a partial_symtab represents.
|
/* Finds the fullname that a partial_symtab represents.
|
|
|
If this functions finds the fullname, it will save it in ps->fullname
|
If this functions finds the fullname, it will save it in ps->fullname
|
and it will also return the value.
|
and it will also return the value.
|
|
|
If this function fails to find the file that this partial_symtab represents,
|
If this function fails to find the file that this partial_symtab represents,
|
NULL will be returned and ps->fullname will be set to NULL. */
|
NULL will be returned and ps->fullname will be set to NULL. */
|
char *
|
char *
|
psymtab_to_fullname (struct partial_symtab *ps)
|
psymtab_to_fullname (struct partial_symtab *ps)
|
{
|
{
|
int r;
|
int r;
|
|
|
if (!ps)
|
if (!ps)
|
return NULL;
|
return NULL;
|
|
|
/* Don't check ps->fullname here, the file could have been
|
/* Don't check ps->fullname here, the file could have been
|
deleted/moved/..., look for it again */
|
deleted/moved/..., look for it again */
|
r = find_and_open_source (ps->objfile, ps->filename, ps->dirname,
|
r = find_and_open_source (ps->objfile, ps->filename, ps->dirname,
|
&ps->fullname);
|
&ps->fullname);
|
|
|
if (r)
|
if (r)
|
{
|
{
|
close (r);
|
close (r);
|
return ps->fullname;
|
return ps->fullname;
|
}
|
}
|
|
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
/* Create and initialize the table S->line_charpos that records
|
/* Create and initialize the table S->line_charpos that records
|
the positions of the lines in the source file, which is assumed
|
the positions of the lines in the source file, which is assumed
|
to be open on descriptor DESC.
|
to be open on descriptor DESC.
|
All set S->nlines to the number of such lines. */
|
All set S->nlines to the number of such lines. */
|
|
|
void
|
void
|
find_source_lines (struct symtab *s, int desc)
|
find_source_lines (struct symtab *s, int desc)
|
{
|
{
|
struct stat st;
|
struct stat st;
|
char *data, *p, *end;
|
char *data, *p, *end;
|
int nlines = 0;
|
int nlines = 0;
|
int lines_allocated = 1000;
|
int lines_allocated = 1000;
|
int *line_charpos;
|
int *line_charpos;
|
long mtime = 0;
|
long mtime = 0;
|
int size;
|
int size;
|
|
|
gdb_assert (s);
|
gdb_assert (s);
|
line_charpos = (int *) xmalloc (lines_allocated * sizeof (int));
|
line_charpos = (int *) xmalloc (lines_allocated * sizeof (int));
|
if (fstat (desc, &st) < 0)
|
if (fstat (desc, &st) < 0)
|
perror_with_name (s->filename);
|
perror_with_name (s->filename);
|
|
|
if (s->objfile && s->objfile->obfd)
|
if (s->objfile && s->objfile->obfd)
|
mtime = bfd_get_mtime (s->objfile->obfd);
|
mtime = bfd_get_mtime (s->objfile->obfd);
|
else if (exec_bfd)
|
else if (exec_bfd)
|
mtime = bfd_get_mtime (exec_bfd);
|
mtime = bfd_get_mtime (exec_bfd);
|
|
|
if (mtime && mtime < st.st_mtime)
|
if (mtime && mtime < st.st_mtime)
|
warning (_("Source file is more recent than executable."));
|
warning (_("Source file is more recent than executable."));
|
|
|
#ifdef LSEEK_NOT_LINEAR
|
#ifdef LSEEK_NOT_LINEAR
|
{
|
{
|
char c;
|
char c;
|
|
|
/* Have to read it byte by byte to find out where the chars live */
|
/* Have to read it byte by byte to find out where the chars live */
|
|
|
line_charpos[0] = lseek (desc, 0, SEEK_CUR);
|
line_charpos[0] = lseek (desc, 0, SEEK_CUR);
|
nlines = 1;
|
nlines = 1;
|
while (myread (desc, &c, 1) > 0)
|
while (myread (desc, &c, 1) > 0)
|
{
|
{
|
if (c == '\n')
|
if (c == '\n')
|
{
|
{
|
if (nlines == lines_allocated)
|
if (nlines == lines_allocated)
|
{
|
{
|
lines_allocated *= 2;
|
lines_allocated *= 2;
|
line_charpos =
|
line_charpos =
|
(int *) xrealloc ((char *) line_charpos,
|
(int *) xrealloc ((char *) line_charpos,
|
sizeof (int) * lines_allocated);
|
sizeof (int) * lines_allocated);
|
}
|
}
|
line_charpos[nlines++] = lseek (desc, 0, SEEK_CUR);
|
line_charpos[nlines++] = lseek (desc, 0, SEEK_CUR);
|
}
|
}
|
}
|
}
|
}
|
}
|
#else /* lseek linear. */
|
#else /* lseek linear. */
|
{
|
{
|
struct cleanup *old_cleanups;
|
struct cleanup *old_cleanups;
|
|
|
/* st_size might be a large type, but we only support source files whose
|
/* st_size might be a large type, but we only support source files whose
|
size fits in an int. */
|
size fits in an int. */
|
size = (int) st.st_size;
|
size = (int) st.st_size;
|
|
|
/* Use malloc, not alloca, because this may be pretty large, and we may
|
/* Use malloc, not alloca, because this may be pretty large, and we may
|
run into various kinds of limits on stack size. */
|
run into various kinds of limits on stack size. */
|
data = (char *) xmalloc (size);
|
data = (char *) xmalloc (size);
|
old_cleanups = make_cleanup (xfree, data);
|
old_cleanups = make_cleanup (xfree, data);
|
|
|
/* Reassign `size' to result of read for systems where \r\n -> \n. */
|
/* Reassign `size' to result of read for systems where \r\n -> \n. */
|
size = myread (desc, data, size);
|
size = myread (desc, data, size);
|
if (size < 0)
|
if (size < 0)
|
perror_with_name (s->filename);
|
perror_with_name (s->filename);
|
end = data + size;
|
end = data + size;
|
p = data;
|
p = data;
|
line_charpos[0] = 0;
|
line_charpos[0] = 0;
|
nlines = 1;
|
nlines = 1;
|
while (p != end)
|
while (p != end)
|
{
|
{
|
if (*p++ == '\n'
|
if (*p++ == '\n'
|
/* A newline at the end does not start a new line. */
|
/* A newline at the end does not start a new line. */
|
&& p != end)
|
&& p != end)
|
{
|
{
|
if (nlines == lines_allocated)
|
if (nlines == lines_allocated)
|
{
|
{
|
lines_allocated *= 2;
|
lines_allocated *= 2;
|
line_charpos =
|
line_charpos =
|
(int *) xrealloc ((char *) line_charpos,
|
(int *) xrealloc ((char *) line_charpos,
|
sizeof (int) * lines_allocated);
|
sizeof (int) * lines_allocated);
|
}
|
}
|
line_charpos[nlines++] = p - data;
|
line_charpos[nlines++] = p - data;
|
}
|
}
|
}
|
}
|
do_cleanups (old_cleanups);
|
do_cleanups (old_cleanups);
|
}
|
}
|
#endif /* lseek linear. */
|
#endif /* lseek linear. */
|
s->nlines = nlines;
|
s->nlines = nlines;
|
s->line_charpos =
|
s->line_charpos =
|
(int *) xrealloc ((char *) line_charpos, nlines * sizeof (int));
|
(int *) xrealloc ((char *) line_charpos, nlines * sizeof (int));
|
|
|
}
|
}
|
|
|
/* Return the character position of a line LINE in symtab S.
|
/* Return the character position of a line LINE in symtab S.
|
Return 0 if anything is invalid. */
|
Return 0 if anything is invalid. */
|
|
|
#if 0 /* Currently unused */
|
#if 0 /* Currently unused */
|
|
|
int
|
int
|
source_line_charpos (struct symtab *s, int line)
|
source_line_charpos (struct symtab *s, int line)
|
{
|
{
|
if (!s)
|
if (!s)
|
return 0;
|
return 0;
|
if (!s->line_charpos || line <= 0)
|
if (!s->line_charpos || line <= 0)
|
return 0;
|
return 0;
|
if (line > s->nlines)
|
if (line > s->nlines)
|
line = s->nlines;
|
line = s->nlines;
|
return s->line_charpos[line - 1];
|
return s->line_charpos[line - 1];
|
}
|
}
|
|
|
/* Return the line number of character position POS in symtab S. */
|
/* Return the line number of character position POS in symtab S. */
|
|
|
int
|
int
|
source_charpos_line (struct symtab *s, int chr)
|
source_charpos_line (struct symtab *s, int chr)
|
{
|
{
|
int line = 0;
|
int line = 0;
|
int *lnp;
|
int *lnp;
|
|
|
if (s == 0 || s->line_charpos == 0)
|
if (s == 0 || s->line_charpos == 0)
|
return 0;
|
return 0;
|
lnp = s->line_charpos;
|
lnp = s->line_charpos;
|
/* Files are usually short, so sequential search is Ok */
|
/* Files are usually short, so sequential search is Ok */
|
while (line < s->nlines && *lnp <= chr)
|
while (line < s->nlines && *lnp <= chr)
|
{
|
{
|
line++;
|
line++;
|
lnp++;
|
lnp++;
|
}
|
}
|
if (line >= s->nlines)
|
if (line >= s->nlines)
|
line = s->nlines;
|
line = s->nlines;
|
return line;
|
return line;
|
}
|
}
|
|
|
#endif /* 0 */
|
#endif /* 0 */
|
|
|
|
|
/* Get full pathname and line number positions for a symtab.
|
/* Get full pathname and line number positions for a symtab.
|
Return nonzero if line numbers may have changed.
|
Return nonzero if line numbers may have changed.
|
Set *FULLNAME to actual name of the file as found by `openp',
|
Set *FULLNAME to actual name of the file as found by `openp',
|
or to 0 if the file is not found. */
|
or to 0 if the file is not found. */
|
|
|
static int
|
static int
|
get_filename_and_charpos (struct symtab *s, char **fullname)
|
get_filename_and_charpos (struct symtab *s, char **fullname)
|
{
|
{
|
int desc, linenums_changed = 0;
|
int desc, linenums_changed = 0;
|
|
|
desc = open_source_file (s);
|
desc = open_source_file (s);
|
if (desc < 0)
|
if (desc < 0)
|
{
|
{
|
if (fullname)
|
if (fullname)
|
*fullname = NULL;
|
*fullname = NULL;
|
return 0;
|
return 0;
|
}
|
}
|
if (fullname)
|
if (fullname)
|
*fullname = s->fullname;
|
*fullname = s->fullname;
|
if (s->line_charpos == 0)
|
if (s->line_charpos == 0)
|
linenums_changed = 1;
|
linenums_changed = 1;
|
if (linenums_changed)
|
if (linenums_changed)
|
find_source_lines (s, desc);
|
find_source_lines (s, desc);
|
close (desc);
|
close (desc);
|
return linenums_changed;
|
return linenums_changed;
|
}
|
}
|
|
|
/* Print text describing the full name of the source file S
|
/* Print text describing the full name of the source file S
|
and the line number LINE and its corresponding character position.
|
and the line number LINE and its corresponding character position.
|
The text starts with two Ctrl-z so that the Emacs-GDB interface
|
The text starts with two Ctrl-z so that the Emacs-GDB interface
|
can easily find it.
|
can easily find it.
|
|
|
MID_STATEMENT is nonzero if the PC is not at the beginning of that line.
|
MID_STATEMENT is nonzero if the PC is not at the beginning of that line.
|
|
|
Return 1 if successful, 0 if could not find the file. */
|
Return 1 if successful, 0 if could not find the file. */
|
|
|
int
|
int
|
identify_source_line (struct symtab *s, int line, int mid_statement,
|
identify_source_line (struct symtab *s, int line, int mid_statement,
|
CORE_ADDR pc)
|
CORE_ADDR pc)
|
{
|
{
|
if (s->line_charpos == 0)
|
if (s->line_charpos == 0)
|
get_filename_and_charpos (s, (char **) NULL);
|
get_filename_and_charpos (s, (char **) NULL);
|
if (s->fullname == 0)
|
if (s->fullname == 0)
|
return 0;
|
return 0;
|
if (line > s->nlines)
|
if (line > s->nlines)
|
/* Don't index off the end of the line_charpos array. */
|
/* Don't index off the end of the line_charpos array. */
|
return 0;
|
return 0;
|
annotate_source (s->fullname, line, s->line_charpos[line - 1],
|
annotate_source (s->fullname, line, s->line_charpos[line - 1],
|
mid_statement, pc);
|
mid_statement, pc);
|
|
|
current_source_line = line;
|
current_source_line = line;
|
first_line_listed = line;
|
first_line_listed = line;
|
last_line_listed = line;
|
last_line_listed = line;
|
current_source_symtab = s;
|
current_source_symtab = s;
|
return 1;
|
return 1;
|
}
|
}
|
|
|
|
|
/* Print source lines from the file of symtab S,
|
/* Print source lines from the file of symtab S,
|
starting with line number LINE and stopping before line number STOPLINE. */
|
starting with line number LINE and stopping before line number STOPLINE. */
|
|
|
static void print_source_lines_base (struct symtab *s, int line, int stopline,
|
static void print_source_lines_base (struct symtab *s, int line, int stopline,
|
int noerror);
|
int noerror);
|
static void
|
static void
|
print_source_lines_base (struct symtab *s, int line, int stopline, int noerror)
|
print_source_lines_base (struct symtab *s, int line, int stopline, int noerror)
|
{
|
{
|
int c;
|
int c;
|
int desc;
|
int desc;
|
FILE *stream;
|
FILE *stream;
|
int nlines = stopline - line;
|
int nlines = stopline - line;
|
|
|
/* Regardless of whether we can open the file, set current_source_symtab. */
|
/* Regardless of whether we can open the file, set current_source_symtab. */
|
current_source_symtab = s;
|
current_source_symtab = s;
|
current_source_line = line;
|
current_source_line = line;
|
first_line_listed = line;
|
first_line_listed = line;
|
|
|
/* If printing of source lines is disabled, just print file and line number */
|
/* If printing of source lines is disabled, just print file and line number */
|
if (ui_out_test_flags (uiout, ui_source_list))
|
if (ui_out_test_flags (uiout, ui_source_list))
|
{
|
{
|
/* Only prints "No such file or directory" once */
|
/* Only prints "No such file or directory" once */
|
if ((s != last_source_visited) || (!last_source_error))
|
if ((s != last_source_visited) || (!last_source_error))
|
{
|
{
|
last_source_visited = s;
|
last_source_visited = s;
|
desc = open_source_file (s);
|
desc = open_source_file (s);
|
}
|
}
|
else
|
else
|
{
|
{
|
desc = last_source_error;
|
desc = last_source_error;
|
noerror = 1;
|
noerror = 1;
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
desc = -1;
|
desc = -1;
|
noerror = 1;
|
noerror = 1;
|
}
|
}
|
|
|
if (desc < 0)
|
if (desc < 0)
|
{
|
{
|
last_source_error = desc;
|
last_source_error = desc;
|
|
|
if (!noerror)
|
if (!noerror)
|
{
|
{
|
char *name = alloca (strlen (s->filename) + 100);
|
char *name = alloca (strlen (s->filename) + 100);
|
sprintf (name, "%d\t%s", line, s->filename);
|
sprintf (name, "%d\t%s", line, s->filename);
|
print_sys_errmsg (name, errno);
|
print_sys_errmsg (name, errno);
|
}
|
}
|
else
|
else
|
ui_out_field_int (uiout, "line", line);
|
ui_out_field_int (uiout, "line", line);
|
ui_out_text (uiout, "\tin ");
|
ui_out_text (uiout, "\tin ");
|
ui_out_field_string (uiout, "file", s->filename);
|
ui_out_field_string (uiout, "file", s->filename);
|
ui_out_text (uiout, "\n");
|
ui_out_text (uiout, "\n");
|
|
|
return;
|
return;
|
}
|
}
|
|
|
last_source_error = 0;
|
last_source_error = 0;
|
|
|
if (s->line_charpos == 0)
|
if (s->line_charpos == 0)
|
find_source_lines (s, desc);
|
find_source_lines (s, desc);
|
|
|
if (line < 1 || line > s->nlines)
|
if (line < 1 || line > s->nlines)
|
{
|
{
|
close (desc);
|
close (desc);
|
error (_("Line number %d out of range; %s has %d lines."),
|
error (_("Line number %d out of range; %s has %d lines."),
|
line, s->filename, s->nlines);
|
line, s->filename, s->nlines);
|
}
|
}
|
|
|
if (lseek (desc, s->line_charpos[line - 1], 0) < 0)
|
if (lseek (desc, s->line_charpos[line - 1], 0) < 0)
|
{
|
{
|
close (desc);
|
close (desc);
|
perror_with_name (s->filename);
|
perror_with_name (s->filename);
|
}
|
}
|
|
|
stream = fdopen (desc, FDOPEN_MODE);
|
stream = fdopen (desc, FDOPEN_MODE);
|
clearerr (stream);
|
clearerr (stream);
|
|
|
while (nlines-- > 0)
|
while (nlines-- > 0)
|
{
|
{
|
char buf[20];
|
char buf[20];
|
|
|
c = fgetc (stream);
|
c = fgetc (stream);
|
if (c == EOF)
|
if (c == EOF)
|
break;
|
break;
|
last_line_listed = current_source_line;
|
last_line_listed = current_source_line;
|
sprintf (buf, "%d\t", current_source_line++);
|
sprintf (buf, "%d\t", current_source_line++);
|
ui_out_text (uiout, buf);
|
ui_out_text (uiout, buf);
|
do
|
do
|
{
|
{
|
if (c < 040 && c != '\t' && c != '\n' && c != '\r')
|
if (c < 040 && c != '\t' && c != '\n' && c != '\r')
|
{
|
{
|
sprintf (buf, "^%c", c + 0100);
|
sprintf (buf, "^%c", c + 0100);
|
ui_out_text (uiout, buf);
|
ui_out_text (uiout, buf);
|
}
|
}
|
else if (c == 0177)
|
else if (c == 0177)
|
ui_out_text (uiout, "^?");
|
ui_out_text (uiout, "^?");
|
else if (c == '\r')
|
else if (c == '\r')
|
{
|
{
|
/* Skip a \r character, but only before a \n. */
|
/* Skip a \r character, but only before a \n. */
|
int c1 = fgetc (stream);
|
int c1 = fgetc (stream);
|
|
|
if (c1 != '\n')
|
if (c1 != '\n')
|
printf_filtered ("^%c", c + 0100);
|
printf_filtered ("^%c", c + 0100);
|
if (c1 != EOF)
|
if (c1 != EOF)
|
ungetc (c1, stream);
|
ungetc (c1, stream);
|
}
|
}
|
else
|
else
|
{
|
{
|
sprintf (buf, "%c", c);
|
sprintf (buf, "%c", c);
|
ui_out_text (uiout, buf);
|
ui_out_text (uiout, buf);
|
}
|
}
|
}
|
}
|
while (c != '\n' && (c = fgetc (stream)) >= 0);
|
while (c != '\n' && (c = fgetc (stream)) >= 0);
|
}
|
}
|
|
|
fclose (stream);
|
fclose (stream);
|
}
|
}
|
|
|
/* Show source lines from the file of symtab S, starting with line
|
/* Show source lines from the file of symtab S, starting with line
|
number LINE and stopping before line number STOPLINE. If this is the
|
number LINE and stopping before line number STOPLINE. If this is the
|
not the command line version, then the source is shown in the source
|
not the command line version, then the source is shown in the source
|
window otherwise it is simply printed */
|
window otherwise it is simply printed */
|
|
|
void
|
void
|
print_source_lines (struct symtab *s, int line, int stopline, int noerror)
|
print_source_lines (struct symtab *s, int line, int stopline, int noerror)
|
{
|
{
|
print_source_lines_base (s, line, stopline, noerror);
|
print_source_lines_base (s, line, stopline, noerror);
|
}
|
}
|
|
|
/* Print info on range of pc's in a specified line. */
|
/* Print info on range of pc's in a specified line. */
|
|
|
static void
|
static void
|
line_info (char *arg, int from_tty)
|
line_info (char *arg, int from_tty)
|
{
|
{
|
struct symtabs_and_lines sals;
|
struct symtabs_and_lines sals;
|
struct symtab_and_line sal;
|
struct symtab_and_line sal;
|
CORE_ADDR start_pc, end_pc;
|
CORE_ADDR start_pc, end_pc;
|
int i;
|
int i;
|
|
|
init_sal (&sal); /* initialize to zeroes */
|
init_sal (&sal); /* initialize to zeroes */
|
|
|
if (arg == 0)
|
if (arg == 0)
|
{
|
{
|
sal.symtab = current_source_symtab;
|
sal.symtab = current_source_symtab;
|
sal.line = last_line_listed;
|
sal.line = last_line_listed;
|
sals.nelts = 1;
|
sals.nelts = 1;
|
sals.sals = (struct symtab_and_line *)
|
sals.sals = (struct symtab_and_line *)
|
xmalloc (sizeof (struct symtab_and_line));
|
xmalloc (sizeof (struct symtab_and_line));
|
sals.sals[0] = sal;
|
sals.sals[0] = sal;
|
}
|
}
|
else
|
else
|
{
|
{
|
sals = decode_line_spec_1 (arg, 0);
|
sals = decode_line_spec_1 (arg, 0);
|
|
|
dont_repeat ();
|
dont_repeat ();
|
}
|
}
|
|
|
/* C++ More than one line may have been specified, as when the user
|
/* C++ More than one line may have been specified, as when the user
|
specifies an overloaded function name. Print info on them all. */
|
specifies an overloaded function name. Print info on them all. */
|
for (i = 0; i < sals.nelts; i++)
|
for (i = 0; i < sals.nelts; i++)
|
{
|
{
|
sal = sals.sals[i];
|
sal = sals.sals[i];
|
|
|
if (sal.symtab == 0)
|
if (sal.symtab == 0)
|
{
|
{
|
printf_filtered (_("No line number information available"));
|
printf_filtered (_("No line number information available"));
|
if (sal.pc != 0)
|
if (sal.pc != 0)
|
{
|
{
|
/* This is useful for "info line *0x7f34". If we can't tell the
|
/* This is useful for "info line *0x7f34". If we can't tell the
|
user about a source line, at least let them have the symbolic
|
user about a source line, at least let them have the symbolic
|
address. */
|
address. */
|
printf_filtered (" for address ");
|
printf_filtered (" for address ");
|
wrap_here (" ");
|
wrap_here (" ");
|
print_address (sal.pc, gdb_stdout);
|
print_address (sal.pc, gdb_stdout);
|
}
|
}
|
else
|
else
|
printf_filtered (".");
|
printf_filtered (".");
|
printf_filtered ("\n");
|
printf_filtered ("\n");
|
}
|
}
|
else if (sal.line > 0
|
else if (sal.line > 0
|
&& find_line_pc_range (sal, &start_pc, &end_pc))
|
&& find_line_pc_range (sal, &start_pc, &end_pc))
|
{
|
{
|
if (start_pc == end_pc)
|
if (start_pc == end_pc)
|
{
|
{
|
printf_filtered ("Line %d of \"%s\"",
|
printf_filtered ("Line %d of \"%s\"",
|
sal.line, sal.symtab->filename);
|
sal.line, sal.symtab->filename);
|
wrap_here (" ");
|
wrap_here (" ");
|
printf_filtered (" is at address ");
|
printf_filtered (" is at address ");
|
print_address (start_pc, gdb_stdout);
|
print_address (start_pc, gdb_stdout);
|
wrap_here (" ");
|
wrap_here (" ");
|
printf_filtered (" but contains no code.\n");
|
printf_filtered (" but contains no code.\n");
|
}
|
}
|
else
|
else
|
{
|
{
|
printf_filtered ("Line %d of \"%s\"",
|
printf_filtered ("Line %d of \"%s\"",
|
sal.line, sal.symtab->filename);
|
sal.line, sal.symtab->filename);
|
wrap_here (" ");
|
wrap_here (" ");
|
printf_filtered (" starts at address ");
|
printf_filtered (" starts at address ");
|
print_address (start_pc, gdb_stdout);
|
print_address (start_pc, gdb_stdout);
|
wrap_here (" ");
|
wrap_here (" ");
|
printf_filtered (" and ends at ");
|
printf_filtered (" and ends at ");
|
print_address (end_pc, gdb_stdout);
|
print_address (end_pc, gdb_stdout);
|
printf_filtered (".\n");
|
printf_filtered (".\n");
|
}
|
}
|
|
|
/* x/i should display this line's code. */
|
/* x/i should display this line's code. */
|
set_next_address (start_pc);
|
set_next_address (start_pc);
|
|
|
/* Repeating "info line" should do the following line. */
|
/* Repeating "info line" should do the following line. */
|
last_line_listed = sal.line + 1;
|
last_line_listed = sal.line + 1;
|
|
|
/* If this is the only line, show the source code. If it could
|
/* If this is the only line, show the source code. If it could
|
not find the file, don't do anything special. */
|
not find the file, don't do anything special. */
|
if (annotation_level && sals.nelts == 1)
|
if (annotation_level && sals.nelts == 1)
|
identify_source_line (sal.symtab, sal.line, 0, start_pc);
|
identify_source_line (sal.symtab, sal.line, 0, start_pc);
|
}
|
}
|
else
|
else
|
/* Is there any case in which we get here, and have an address
|
/* Is there any case in which we get here, and have an address
|
which the user would want to see? If we have debugging symbols
|
which the user would want to see? If we have debugging symbols
|
and no line numbers? */
|
and no line numbers? */
|
printf_filtered (_("Line number %d is out of range for \"%s\".\n"),
|
printf_filtered (_("Line number %d is out of range for \"%s\".\n"),
|
sal.line, sal.symtab->filename);
|
sal.line, sal.symtab->filename);
|
}
|
}
|
xfree (sals.sals);
|
xfree (sals.sals);
|
}
|
}
|
|
|
/* Commands to search the source file for a regexp. */
|
/* Commands to search the source file for a regexp. */
|
|
|
static void
|
static void
|
forward_search_command (char *regex, int from_tty)
|
forward_search_command (char *regex, int from_tty)
|
{
|
{
|
int c;
|
int c;
|
int desc;
|
int desc;
|
FILE *stream;
|
FILE *stream;
|
int line;
|
int line;
|
char *msg;
|
char *msg;
|
|
|
line = last_line_listed + 1;
|
line = last_line_listed + 1;
|
|
|
msg = (char *) re_comp (regex);
|
msg = (char *) re_comp (regex);
|
if (msg)
|
if (msg)
|
error (("%s"), msg);
|
error (("%s"), msg);
|
|
|
if (current_source_symtab == 0)
|
if (current_source_symtab == 0)
|
select_source_symtab (0);
|
select_source_symtab (0);
|
|
|
desc = open_source_file (current_source_symtab);
|
desc = open_source_file (current_source_symtab);
|
if (desc < 0)
|
if (desc < 0)
|
perror_with_name (current_source_symtab->filename);
|
perror_with_name (current_source_symtab->filename);
|
|
|
if (current_source_symtab->line_charpos == 0)
|
if (current_source_symtab->line_charpos == 0)
|
find_source_lines (current_source_symtab, desc);
|
find_source_lines (current_source_symtab, desc);
|
|
|
if (line < 1 || line > current_source_symtab->nlines)
|
if (line < 1 || line > current_source_symtab->nlines)
|
{
|
{
|
close (desc);
|
close (desc);
|
error (_("Expression not found"));
|
error (_("Expression not found"));
|
}
|
}
|
|
|
if (lseek (desc, current_source_symtab->line_charpos[line - 1], 0) < 0)
|
if (lseek (desc, current_source_symtab->line_charpos[line - 1], 0) < 0)
|
{
|
{
|
close (desc);
|
close (desc);
|
perror_with_name (current_source_symtab->filename);
|
perror_with_name (current_source_symtab->filename);
|
}
|
}
|
|
|
stream = fdopen (desc, FDOPEN_MODE);
|
stream = fdopen (desc, FDOPEN_MODE);
|
clearerr (stream);
|
clearerr (stream);
|
while (1)
|
while (1)
|
{
|
{
|
static char *buf = NULL;
|
static char *buf = NULL;
|
char *p;
|
char *p;
|
int cursize, newsize;
|
int cursize, newsize;
|
|
|
cursize = 256;
|
cursize = 256;
|
buf = xmalloc (cursize);
|
buf = xmalloc (cursize);
|
p = buf;
|
p = buf;
|
|
|
c = getc (stream);
|
c = getc (stream);
|
if (c == EOF)
|
if (c == EOF)
|
break;
|
break;
|
do
|
do
|
{
|
{
|
*p++ = c;
|
*p++ = c;
|
if (p - buf == cursize)
|
if (p - buf == cursize)
|
{
|
{
|
newsize = cursize + cursize / 2;
|
newsize = cursize + cursize / 2;
|
buf = xrealloc (buf, newsize);
|
buf = xrealloc (buf, newsize);
|
p = buf + cursize;
|
p = buf + cursize;
|
cursize = newsize;
|
cursize = newsize;
|
}
|
}
|
}
|
}
|
while (c != '\n' && (c = getc (stream)) >= 0);
|
while (c != '\n' && (c = getc (stream)) >= 0);
|
|
|
/* Remove the \r, if any, at the end of the line, otherwise
|
/* Remove the \r, if any, at the end of the line, otherwise
|
regular expressions that end with $ or \n won't work. */
|
regular expressions that end with $ or \n won't work. */
|
if (p - buf > 1 && p[-2] == '\r')
|
if (p - buf > 1 && p[-2] == '\r')
|
{
|
{
|
p--;
|
p--;
|
p[-1] = '\n';
|
p[-1] = '\n';
|
}
|
}
|
|
|
/* we now have a source line in buf, null terminate and match */
|
/* we now have a source line in buf, null terminate and match */
|
*p = 0;
|
*p = 0;
|
if (re_exec (buf) > 0)
|
if (re_exec (buf) > 0)
|
{
|
{
|
/* Match! */
|
/* Match! */
|
fclose (stream);
|
fclose (stream);
|
print_source_lines (current_source_symtab, line, line + 1, 0);
|
print_source_lines (current_source_symtab, line, line + 1, 0);
|
set_internalvar (lookup_internalvar ("_"),
|
set_internalvar (lookup_internalvar ("_"),
|
value_from_longest (builtin_type_int,
|
value_from_longest (builtin_type_int,
|
(LONGEST) line));
|
(LONGEST) line));
|
current_source_line = max (line - lines_to_list / 2, 1);
|
current_source_line = max (line - lines_to_list / 2, 1);
|
return;
|
return;
|
}
|
}
|
line++;
|
line++;
|
}
|
}
|
|
|
printf_filtered (_("Expression not found\n"));
|
printf_filtered (_("Expression not found\n"));
|
fclose (stream);
|
fclose (stream);
|
}
|
}
|
|
|
static void
|
static void
|
reverse_search_command (char *regex, int from_tty)
|
reverse_search_command (char *regex, int from_tty)
|
{
|
{
|
int c;
|
int c;
|
int desc;
|
int desc;
|
FILE *stream;
|
FILE *stream;
|
int line;
|
int line;
|
char *msg;
|
char *msg;
|
|
|
line = last_line_listed - 1;
|
line = last_line_listed - 1;
|
|
|
msg = (char *) re_comp (regex);
|
msg = (char *) re_comp (regex);
|
if (msg)
|
if (msg)
|
error (("%s"), msg);
|
error (("%s"), msg);
|
|
|
if (current_source_symtab == 0)
|
if (current_source_symtab == 0)
|
select_source_symtab (0);
|
select_source_symtab (0);
|
|
|
desc = open_source_file (current_source_symtab);
|
desc = open_source_file (current_source_symtab);
|
if (desc < 0)
|
if (desc < 0)
|
perror_with_name (current_source_symtab->filename);
|
perror_with_name (current_source_symtab->filename);
|
|
|
if (current_source_symtab->line_charpos == 0)
|
if (current_source_symtab->line_charpos == 0)
|
find_source_lines (current_source_symtab, desc);
|
find_source_lines (current_source_symtab, desc);
|
|
|
if (line < 1 || line > current_source_symtab->nlines)
|
if (line < 1 || line > current_source_symtab->nlines)
|
{
|
{
|
close (desc);
|
close (desc);
|
error (_("Expression not found"));
|
error (_("Expression not found"));
|
}
|
}
|
|
|
if (lseek (desc, current_source_symtab->line_charpos[line - 1], 0) < 0)
|
if (lseek (desc, current_source_symtab->line_charpos[line - 1], 0) < 0)
|
{
|
{
|
close (desc);
|
close (desc);
|
perror_with_name (current_source_symtab->filename);
|
perror_with_name (current_source_symtab->filename);
|
}
|
}
|
|
|
stream = fdopen (desc, FDOPEN_MODE);
|
stream = fdopen (desc, FDOPEN_MODE);
|
clearerr (stream);
|
clearerr (stream);
|
while (line > 1)
|
while (line > 1)
|
{
|
{
|
/* FIXME!!! We walk right off the end of buf if we get a long line!!! */
|
/* FIXME!!! We walk right off the end of buf if we get a long line!!! */
|
char buf[4096]; /* Should be reasonable??? */
|
char buf[4096]; /* Should be reasonable??? */
|
char *p = buf;
|
char *p = buf;
|
|
|
c = getc (stream);
|
c = getc (stream);
|
if (c == EOF)
|
if (c == EOF)
|
break;
|
break;
|
do
|
do
|
{
|
{
|
*p++ = c;
|
*p++ = c;
|
}
|
}
|
while (c != '\n' && (c = getc (stream)) >= 0);
|
while (c != '\n' && (c = getc (stream)) >= 0);
|
|
|
/* Remove the \r, if any, at the end of the line, otherwise
|
/* Remove the \r, if any, at the end of the line, otherwise
|
regular expressions that end with $ or \n won't work. */
|
regular expressions that end with $ or \n won't work. */
|
if (p - buf > 1 && p[-2] == '\r')
|
if (p - buf > 1 && p[-2] == '\r')
|
{
|
{
|
p--;
|
p--;
|
p[-1] = '\n';
|
p[-1] = '\n';
|
}
|
}
|
|
|
/* We now have a source line in buf; null terminate and match. */
|
/* We now have a source line in buf; null terminate and match. */
|
*p = 0;
|
*p = 0;
|
if (re_exec (buf) > 0)
|
if (re_exec (buf) > 0)
|
{
|
{
|
/* Match! */
|
/* Match! */
|
fclose (stream);
|
fclose (stream);
|
print_source_lines (current_source_symtab, line, line + 1, 0);
|
print_source_lines (current_source_symtab, line, line + 1, 0);
|
set_internalvar (lookup_internalvar ("_"),
|
set_internalvar (lookup_internalvar ("_"),
|
value_from_longest (builtin_type_int,
|
value_from_longest (builtin_type_int,
|
(LONGEST) line));
|
(LONGEST) line));
|
current_source_line = max (line - lines_to_list / 2, 1);
|
current_source_line = max (line - lines_to_list / 2, 1);
|
return;
|
return;
|
}
|
}
|
line--;
|
line--;
|
if (fseek (stream, current_source_symtab->line_charpos[line - 1], 0) < 0)
|
if (fseek (stream, current_source_symtab->line_charpos[line - 1], 0) < 0)
|
{
|
{
|
fclose (stream);
|
fclose (stream);
|
perror_with_name (current_source_symtab->filename);
|
perror_with_name (current_source_symtab->filename);
|
}
|
}
|
}
|
}
|
|
|
printf_filtered (_("Expression not found\n"));
|
printf_filtered (_("Expression not found\n"));
|
fclose (stream);
|
fclose (stream);
|
return;
|
return;
|
}
|
}
|
|
|
/* If the last character of PATH is a directory separator, then strip it. */
|
/* If the last character of PATH is a directory separator, then strip it. */
|
|
|
static void
|
static void
|
strip_trailing_directory_separator (char *path)
|
strip_trailing_directory_separator (char *path)
|
{
|
{
|
const int last = strlen (path) - 1;
|
const int last = strlen (path) - 1;
|
|
|
if (last < 0)
|
if (last < 0)
|
return; /* No stripping is needed if PATH is the empty string. */
|
return; /* No stripping is needed if PATH is the empty string. */
|
|
|
if (IS_DIR_SEPARATOR (path[last]))
|
if (IS_DIR_SEPARATOR (path[last]))
|
path[last] = '\0';
|
path[last] = '\0';
|
}
|
}
|
|
|
/* Return the path substitution rule that matches FROM.
|
/* Return the path substitution rule that matches FROM.
|
Return NULL if no rule matches. */
|
Return NULL if no rule matches. */
|
|
|
static struct substitute_path_rule *
|
static struct substitute_path_rule *
|
find_substitute_path_rule (const char *from)
|
find_substitute_path_rule (const char *from)
|
{
|
{
|
struct substitute_path_rule *rule = substitute_path_rules;
|
struct substitute_path_rule *rule = substitute_path_rules;
|
|
|
while (rule != NULL)
|
while (rule != NULL)
|
{
|
{
|
if (FILENAME_CMP (rule->from, from) == 0)
|
if (FILENAME_CMP (rule->from, from) == 0)
|
return rule;
|
return rule;
|
rule = rule->next;
|
rule = rule->next;
|
}
|
}
|
|
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
/* Add a new substitute-path rule at the end of the current list of rules.
|
/* Add a new substitute-path rule at the end of the current list of rules.
|
The new rule will replace FROM into TO. */
|
The new rule will replace FROM into TO. */
|
|
|
static void
|
static void
|
add_substitute_path_rule (char *from, char *to)
|
add_substitute_path_rule (char *from, char *to)
|
{
|
{
|
struct substitute_path_rule *rule;
|
struct substitute_path_rule *rule;
|
struct substitute_path_rule *new_rule;
|
struct substitute_path_rule *new_rule;
|
|
|
new_rule = xmalloc (sizeof (struct substitute_path_rule));
|
new_rule = xmalloc (sizeof (struct substitute_path_rule));
|
new_rule->from = xstrdup (from);
|
new_rule->from = xstrdup (from);
|
new_rule->to = xstrdup (to);
|
new_rule->to = xstrdup (to);
|
new_rule->next = NULL;
|
new_rule->next = NULL;
|
|
|
/* If the list of rules are empty, then insert the new rule
|
/* If the list of rules are empty, then insert the new rule
|
at the head of the list. */
|
at the head of the list. */
|
|
|
if (substitute_path_rules == NULL)
|
if (substitute_path_rules == NULL)
|
{
|
{
|
substitute_path_rules = new_rule;
|
substitute_path_rules = new_rule;
|
return;
|
return;
|
}
|
}
|
|
|
/* Otherwise, skip to the last rule in our list and then append
|
/* Otherwise, skip to the last rule in our list and then append
|
the new rule. */
|
the new rule. */
|
|
|
rule = substitute_path_rules;
|
rule = substitute_path_rules;
|
while (rule->next != NULL)
|
while (rule->next != NULL)
|
rule = rule->next;
|
rule = rule->next;
|
|
|
rule->next = new_rule;
|
rule->next = new_rule;
|
}
|
}
|
|
|
/* Remove the given source path substitution rule from the current list
|
/* Remove the given source path substitution rule from the current list
|
of rules. The memory allocated for that rule is also deallocated. */
|
of rules. The memory allocated for that rule is also deallocated. */
|
|
|
static void
|
static void
|
delete_substitute_path_rule (struct substitute_path_rule *rule)
|
delete_substitute_path_rule (struct substitute_path_rule *rule)
|
{
|
{
|
if (rule == substitute_path_rules)
|
if (rule == substitute_path_rules)
|
substitute_path_rules = rule->next;
|
substitute_path_rules = rule->next;
|
else
|
else
|
{
|
{
|
struct substitute_path_rule *prev = substitute_path_rules;
|
struct substitute_path_rule *prev = substitute_path_rules;
|
|
|
while (prev != NULL && prev->next != rule)
|
while (prev != NULL && prev->next != rule)
|
prev = prev->next;
|
prev = prev->next;
|
|
|
gdb_assert (prev != NULL);
|
gdb_assert (prev != NULL);
|
|
|
prev->next = rule->next;
|
prev->next = rule->next;
|
}
|
}
|
|
|
xfree (rule->from);
|
xfree (rule->from);
|
xfree (rule->to);
|
xfree (rule->to);
|
xfree (rule);
|
xfree (rule);
|
}
|
}
|
|
|
/* Implement the "show substitute-path" command. */
|
/* Implement the "show substitute-path" command. */
|
|
|
static void
|
static void
|
show_substitute_path_command (char *args, int from_tty)
|
show_substitute_path_command (char *args, int from_tty)
|
{
|
{
|
struct substitute_path_rule *rule = substitute_path_rules;
|
struct substitute_path_rule *rule = substitute_path_rules;
|
char **argv;
|
char **argv;
|
char *from = NULL;
|
char *from = NULL;
|
|
|
argv = buildargv (args);
|
argv = buildargv (args);
|
make_cleanup_freeargv (argv);
|
make_cleanup_freeargv (argv);
|
|
|
/* We expect zero or one argument. */
|
/* We expect zero or one argument. */
|
|
|
if (argv != NULL && argv[0] != NULL && argv[1] != NULL)
|
if (argv != NULL && argv[0] != NULL && argv[1] != NULL)
|
error (_("Too many arguments in command"));
|
error (_("Too many arguments in command"));
|
|
|
if (argv != NULL && argv[0] != NULL)
|
if (argv != NULL && argv[0] != NULL)
|
from = argv[0];
|
from = argv[0];
|
|
|
/* Print the substitution rules. */
|
/* Print the substitution rules. */
|
|
|
if (from != NULL)
|
if (from != NULL)
|
printf_filtered
|
printf_filtered
|
(_("Source path substitution rule matching `%s':\n"), from);
|
(_("Source path substitution rule matching `%s':\n"), from);
|
else
|
else
|
printf_filtered (_("List of all source path substitution rules:\n"));
|
printf_filtered (_("List of all source path substitution rules:\n"));
|
|
|
while (rule != NULL)
|
while (rule != NULL)
|
{
|
{
|
if (from == NULL || FILENAME_CMP (rule->from, from) == 0)
|
if (from == NULL || FILENAME_CMP (rule->from, from) == 0)
|
printf_filtered (" `%s' -> `%s'.\n", rule->from, rule->to);
|
printf_filtered (" `%s' -> `%s'.\n", rule->from, rule->to);
|
rule = rule->next;
|
rule = rule->next;
|
}
|
}
|
}
|
}
|
|
|
/* Implement the "unset substitute-path" command. */
|
/* Implement the "unset substitute-path" command. */
|
|
|
static void
|
static void
|
unset_substitute_path_command (char *args, int from_tty)
|
unset_substitute_path_command (char *args, int from_tty)
|
{
|
{
|
struct substitute_path_rule *rule = substitute_path_rules;
|
struct substitute_path_rule *rule = substitute_path_rules;
|
char **argv = buildargv (args);
|
char **argv = buildargv (args);
|
char *from = NULL;
|
char *from = NULL;
|
int rule_found = 0;
|
int rule_found = 0;
|
|
|
/* This function takes either 0 or 1 argument. */
|
/* This function takes either 0 or 1 argument. */
|
|
|
make_cleanup_freeargv (argv);
|
make_cleanup_freeargv (argv);
|
if (argv != NULL && argv[0] != NULL && argv[1] != NULL)
|
if (argv != NULL && argv[0] != NULL && argv[1] != NULL)
|
error (_("Incorrect usage, too many arguments in command"));
|
error (_("Incorrect usage, too many arguments in command"));
|
|
|
if (argv != NULL && argv[0] != NULL)
|
if (argv != NULL && argv[0] != NULL)
|
from = argv[0];
|
from = argv[0];
|
|
|
/* If the user asked for all the rules to be deleted, ask him
|
/* If the user asked for all the rules to be deleted, ask him
|
to confirm and give him a chance to abort before the action
|
to confirm and give him a chance to abort before the action
|
is performed. */
|
is performed. */
|
|
|
if (from == NULL
|
if (from == NULL
|
&& !query (_("Delete all source path substitution rules? ")))
|
&& !query (_("Delete all source path substitution rules? ")))
|
error (_("Canceled"));
|
error (_("Canceled"));
|
|
|
/* Delete the rule matching the argument. No argument means that
|
/* Delete the rule matching the argument. No argument means that
|
all rules should be deleted. */
|
all rules should be deleted. */
|
|
|
while (rule != NULL)
|
while (rule != NULL)
|
{
|
{
|
struct substitute_path_rule *next = rule->next;
|
struct substitute_path_rule *next = rule->next;
|
|
|
if (from == NULL || FILENAME_CMP (from, rule->from) == 0)
|
if (from == NULL || FILENAME_CMP (from, rule->from) == 0)
|
{
|
{
|
delete_substitute_path_rule (rule);
|
delete_substitute_path_rule (rule);
|
rule_found = 1;
|
rule_found = 1;
|
}
|
}
|
|
|
rule = next;
|
rule = next;
|
}
|
}
|
|
|
/* If the user asked for a specific rule to be deleted but
|
/* If the user asked for a specific rule to be deleted but
|
we could not find it, then report an error. */
|
we could not find it, then report an error. */
|
|
|
if (from != NULL && !rule_found)
|
if (from != NULL && !rule_found)
|
error (_("No substitution rule defined for `%s'"), from);
|
error (_("No substitution rule defined for `%s'"), from);
|
}
|
}
|
|
|
/* Add a new source path substitution rule. */
|
/* Add a new source path substitution rule. */
|
|
|
static void
|
static void
|
set_substitute_path_command (char *args, int from_tty)
|
set_substitute_path_command (char *args, int from_tty)
|
{
|
{
|
char *from_path, *to_path;
|
char *from_path, *to_path;
|
char **argv;
|
char **argv;
|
struct substitute_path_rule *rule;
|
struct substitute_path_rule *rule;
|
|
|
argv = buildargv (args);
|
argv = buildargv (args);
|
make_cleanup_freeargv (argv);
|
make_cleanup_freeargv (argv);
|
|
|
if (argv == NULL || argv[0] == NULL || argv [1] == NULL)
|
if (argv == NULL || argv[0] == NULL || argv [1] == NULL)
|
error (_("Incorrect usage, too few arguments in command"));
|
error (_("Incorrect usage, too few arguments in command"));
|
|
|
if (argv[2] != NULL)
|
if (argv[2] != NULL)
|
error (_("Incorrect usage, too many arguments in command"));
|
error (_("Incorrect usage, too many arguments in command"));
|
|
|
if (*(argv[0]) == '\0')
|
if (*(argv[0]) == '\0')
|
error (_("First argument must be at least one character long"));
|
error (_("First argument must be at least one character long"));
|
|
|
/* Strip any trailing directory separator character in either FROM
|
/* Strip any trailing directory separator character in either FROM
|
or TO. The substitution rule already implicitly contains them. */
|
or TO. The substitution rule already implicitly contains them. */
|
strip_trailing_directory_separator (argv[0]);
|
strip_trailing_directory_separator (argv[0]);
|
strip_trailing_directory_separator (argv[1]);
|
strip_trailing_directory_separator (argv[1]);
|
|
|
/* If a rule with the same "from" was previously defined, then
|
/* If a rule with the same "from" was previously defined, then
|
delete it. This new rule replaces it. */
|
delete it. This new rule replaces it. */
|
|
|
rule = find_substitute_path_rule (argv[0]);
|
rule = find_substitute_path_rule (argv[0]);
|
if (rule != NULL)
|
if (rule != NULL)
|
delete_substitute_path_rule (rule);
|
delete_substitute_path_rule (rule);
|
|
|
/* Insert the new substitution rule. */
|
/* Insert the new substitution rule. */
|
|
|
add_substitute_path_rule (argv[0], argv[1]);
|
add_substitute_path_rule (argv[0], argv[1]);
|
}
|
}
|
|
|
|
|
void
|
void
|
_initialize_source (void)
|
_initialize_source (void)
|
{
|
{
|
struct cmd_list_element *c;
|
struct cmd_list_element *c;
|
current_source_symtab = 0;
|
current_source_symtab = 0;
|
init_source_path ();
|
init_source_path ();
|
|
|
/* The intention is to use POSIX Basic Regular Expressions.
|
/* The intention is to use POSIX Basic Regular Expressions.
|
Always use the GNU regex routine for consistency across all hosts.
|
Always use the GNU regex routine for consistency across all hosts.
|
Our current GNU regex.c does not have all the POSIX features, so this is
|
Our current GNU regex.c does not have all the POSIX features, so this is
|
just an approximation. */
|
just an approximation. */
|
re_set_syntax (RE_SYNTAX_GREP);
|
re_set_syntax (RE_SYNTAX_GREP);
|
|
|
c = add_cmd ("directory", class_files, directory_command, _("\
|
c = add_cmd ("directory", class_files, directory_command, _("\
|
Add directory DIR to beginning of search path for source files.\n\
|
Add directory DIR to beginning of search path for source files.\n\
|
Forget cached info on source file locations and line positions.\n\
|
Forget cached info on source file locations and line positions.\n\
|
DIR can also be $cwd for the current working directory, or $cdir for the\n\
|
DIR can also be $cwd for the current working directory, or $cdir for the\n\
|
directory in which the source file was compiled into object code.\n\
|
directory in which the source file was compiled into object code.\n\
|
With no argument, reset the search path to $cdir:$cwd, the default."),
|
With no argument, reset the search path to $cdir:$cwd, the default."),
|
&cmdlist);
|
&cmdlist);
|
|
|
if (dbx_commands)
|
if (dbx_commands)
|
add_com_alias ("use", "directory", class_files, 0);
|
add_com_alias ("use", "directory", class_files, 0);
|
|
|
set_cmd_completer (c, filename_completer);
|
set_cmd_completer (c, filename_completer);
|
|
|
add_cmd ("directories", no_class, show_directories, _("\
|
add_cmd ("directories", no_class, show_directories, _("\
|
Current search path for finding source files.\n\
|
Current search path for finding source files.\n\
|
$cwd in the path means the current working directory.\n\
|
$cwd in the path means the current working directory.\n\
|
$cdir in the path means the compilation directory of the source file."),
|
$cdir in the path means the compilation directory of the source file."),
|
&showlist);
|
&showlist);
|
|
|
if (xdb_commands)
|
if (xdb_commands)
|
{
|
{
|
add_com_alias ("D", "directory", class_files, 0);
|
add_com_alias ("D", "directory", class_files, 0);
|
add_cmd ("ld", no_class, show_directories, _("\
|
add_cmd ("ld", no_class, show_directories, _("\
|
Current search path for finding source files.\n\
|
Current search path for finding source files.\n\
|
$cwd in the path means the current working directory.\n\
|
$cwd in the path means the current working directory.\n\
|
$cdir in the path means the compilation directory of the source file."),
|
$cdir in the path means the compilation directory of the source file."),
|
&cmdlist);
|
&cmdlist);
|
}
|
}
|
|
|
add_info ("source", source_info,
|
add_info ("source", source_info,
|
_("Information about the current source file."));
|
_("Information about the current source file."));
|
|
|
add_info ("line", line_info, _("\
|
add_info ("line", line_info, _("\
|
Core addresses of the code for a source line.\n\
|
Core addresses of the code for a source line.\n\
|
Line can be specified as\n\
|
Line can be specified as\n\
|
LINENUM, to list around that line in current file,\n\
|
LINENUM, to list around that line in current file,\n\
|
FILE:LINENUM, to list around that line in that file,\n\
|
FILE:LINENUM, to list around that line in that file,\n\
|
FUNCTION, to list around beginning of that function,\n\
|
FUNCTION, to list around beginning of that function,\n\
|
FILE:FUNCTION, to distinguish among like-named static functions.\n\
|
FILE:FUNCTION, to distinguish among like-named static functions.\n\
|
Default is to describe the last source line that was listed.\n\n\
|
Default is to describe the last source line that was listed.\n\n\
|
This sets the default address for \"x\" to the line's first instruction\n\
|
This sets the default address for \"x\" to the line's first instruction\n\
|
so that \"x/i\" suffices to start examining the machine code.\n\
|
so that \"x/i\" suffices to start examining the machine code.\n\
|
The address is also stored as the value of \"$_\"."));
|
The address is also stored as the value of \"$_\"."));
|
|
|
add_com ("forward-search", class_files, forward_search_command, _("\
|
add_com ("forward-search", class_files, forward_search_command, _("\
|
Search for regular expression (see regex(3)) from last line listed.\n\
|
Search for regular expression (see regex(3)) from last line listed.\n\
|
The matching line number is also stored as the value of \"$_\"."));
|
The matching line number is also stored as the value of \"$_\"."));
|
add_com_alias ("search", "forward-search", class_files, 0);
|
add_com_alias ("search", "forward-search", class_files, 0);
|
|
|
add_com ("reverse-search", class_files, reverse_search_command, _("\
|
add_com ("reverse-search", class_files, reverse_search_command, _("\
|
Search backward for regular expression (see regex(3)) from last line listed.\n\
|
Search backward for regular expression (see regex(3)) from last line listed.\n\
|
The matching line number is also stored as the value of \"$_\"."));
|
The matching line number is also stored as the value of \"$_\"."));
|
|
|
if (xdb_commands)
|
if (xdb_commands)
|
{
|
{
|
add_com_alias ("/", "forward-search", class_files, 0);
|
add_com_alias ("/", "forward-search", class_files, 0);
|
add_com_alias ("?", "reverse-search", class_files, 0);
|
add_com_alias ("?", "reverse-search", class_files, 0);
|
}
|
}
|
|
|
add_setshow_integer_cmd ("listsize", class_support, &lines_to_list, _("\
|
add_setshow_integer_cmd ("listsize", class_support, &lines_to_list, _("\
|
Set number of source lines gdb will list by default."), _("\
|
Set number of source lines gdb will list by default."), _("\
|
Show number of source lines gdb will list by default."), NULL,
|
Show number of source lines gdb will list by default."), NULL,
|
NULL,
|
NULL,
|
show_lines_to_list,
|
show_lines_to_list,
|
&setlist, &showlist);
|
&setlist, &showlist);
|
|
|
add_cmd ("substitute-path", class_files, set_substitute_path_command,
|
add_cmd ("substitute-path", class_files, set_substitute_path_command,
|
_("\
|
_("\
|
Usage: set substitute-path FROM TO\n\
|
Usage: set substitute-path FROM TO\n\
|
Add a substitution rule replacing FROM into TO in source file names.\n\
|
Add a substitution rule replacing FROM into TO in source file names.\n\
|
If a substitution rule was previously set for FROM, the old rule\n\
|
If a substitution rule was previously set for FROM, the old rule\n\
|
is replaced by the new one."),
|
is replaced by the new one."),
|
&setlist);
|
&setlist);
|
|
|
add_cmd ("substitute-path", class_files, unset_substitute_path_command,
|
add_cmd ("substitute-path", class_files, unset_substitute_path_command,
|
_("\
|
_("\
|
Usage: unset substitute-path [FROM]\n\
|
Usage: unset substitute-path [FROM]\n\
|
Delete the rule for substituting FROM in source file names. If FROM\n\
|
Delete the rule for substituting FROM in source file names. If FROM\n\
|
is not specified, all substituting rules are deleted.\n\
|
is not specified, all substituting rules are deleted.\n\
|
If the debugger cannot find a rule for FROM, it will display a warning."),
|
If the debugger cannot find a rule for FROM, it will display a warning."),
|
&unsetlist);
|
&unsetlist);
|
|
|
add_cmd ("substitute-path", class_files, show_substitute_path_command,
|
add_cmd ("substitute-path", class_files, show_substitute_path_command,
|
_("\
|
_("\
|
Usage: show substitute-path [FROM]\n\
|
Usage: show substitute-path [FROM]\n\
|
Print the rule for substituting FROM in source file names. If FROM\n\
|
Print the rule for substituting FROM in source file names. If FROM\n\
|
is not specified, print all substitution rules."),
|
is not specified, print all substitution rules."),
|
&showlist);
|
&showlist);
|
}
|
}
|
|
|
