/* General utility routines for GDB, the GNU debugger.
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/* General utility routines for GDB, the GNU debugger.
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Copyright (C) 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
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Copyright (C) 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
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1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
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1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 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 "gdb_assert.h"
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#include "gdb_assert.h"
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#include <ctype.h>
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#include <ctype.h>
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#include "gdb_string.h"
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#include "gdb_string.h"
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#include "event-top.h"
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#include "event-top.h"
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#include "exceptions.h"
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#include "exceptions.h"
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|
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#ifdef TUI
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#ifdef TUI
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#include "tui/tui.h" /* For tui_get_command_dimension. */
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#include "tui/tui.h" /* For tui_get_command_dimension. */
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#endif
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#endif
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#ifdef __GO32__
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#ifdef __GO32__
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#include <pc.h>
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#include <pc.h>
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#endif
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#endif
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/* SunOS's curses.h has a '#define reg register' in it. Thank you Sun. */
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/* SunOS's curses.h has a '#define reg register' in it. Thank you Sun. */
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#ifdef reg
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#ifdef reg
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#undef reg
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#undef reg
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#endif
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#endif
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#include <signal.h>
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#include <signal.h>
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#include "gdbcmd.h"
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#include "gdbcmd.h"
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#include "serial.h"
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#include "serial.h"
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#include "bfd.h"
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#include "bfd.h"
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#include "target.h"
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#include "target.h"
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#include "demangle.h"
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#include "demangle.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 "charset.h"
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#include "charset.h"
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#include "annotate.h"
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#include "annotate.h"
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#include "filenames.h"
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#include "filenames.h"
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#include "symfile.h"
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#include "symfile.h"
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#include "gdb_obstack.h"
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#include "gdb_obstack.h"
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#include "gdbcore.h"
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#include "gdbcore.h"
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#include "top.h"
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#include "top.h"
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|
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#include "inferior.h" /* for signed_pointer_to_address */
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#include "inferior.h" /* for signed_pointer_to_address */
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|
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#include <sys/param.h> /* For MAXPATHLEN */
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#include <sys/param.h> /* For MAXPATHLEN */
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|
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#include "gdb_curses.h"
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#include "gdb_curses.h"
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|
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#include "readline/readline.h"
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#include "readline/readline.h"
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|
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#if !HAVE_DECL_MALLOC
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#if !HAVE_DECL_MALLOC
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extern PTR malloc (); /* OK: PTR */
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extern PTR malloc (); /* OK: PTR */
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#endif
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#endif
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#if !HAVE_DECL_REALLOC
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#if !HAVE_DECL_REALLOC
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extern PTR realloc (); /* OK: PTR */
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extern PTR realloc (); /* OK: PTR */
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#endif
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#endif
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#if !HAVE_DECL_FREE
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#if !HAVE_DECL_FREE
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extern void free ();
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extern void free ();
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#endif
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#endif
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|
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/* readline defines this. */
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/* readline defines this. */
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#undef savestring
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#undef savestring
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void (*deprecated_error_begin_hook) (void);
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void (*deprecated_error_begin_hook) (void);
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|
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/* Prototypes for local functions */
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/* Prototypes for local functions */
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static void vfprintf_maybe_filtered (struct ui_file *, const char *,
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static void vfprintf_maybe_filtered (struct ui_file *, const char *,
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va_list, int) ATTR_FORMAT (printf, 2, 0);
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va_list, int) ATTR_FORMAT (printf, 2, 0);
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static void fputs_maybe_filtered (const char *, struct ui_file *, int);
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static void fputs_maybe_filtered (const char *, struct ui_file *, int);
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|
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static void do_my_cleanups (struct cleanup **, struct cleanup *);
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static void do_my_cleanups (struct cleanup **, struct cleanup *);
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static void prompt_for_continue (void);
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static void prompt_for_continue (void);
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static void set_screen_size (void);
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static void set_screen_size (void);
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static void set_width (void);
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static void set_width (void);
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/* Chain of cleanup actions established with make_cleanup,
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/* Chain of cleanup actions established with make_cleanup,
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to be executed if an error happens. */
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to be executed if an error happens. */
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static struct cleanup *cleanup_chain; /* cleaned up after a failed command */
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static struct cleanup *cleanup_chain; /* cleaned up after a failed command */
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static struct cleanup *final_cleanup_chain; /* cleaned up when gdb exits */
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static struct cleanup *final_cleanup_chain; /* cleaned up when gdb exits */
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static struct cleanup *exec_cleanup_chain; /* cleaned up on each execution command */
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static struct cleanup *exec_cleanup_chain; /* cleaned up on each execution command */
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/* cleaned up on each error from within an execution command */
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/* cleaned up on each error from within an execution command */
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static struct cleanup *exec_error_cleanup_chain;
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static struct cleanup *exec_error_cleanup_chain;
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/* Pointer to what is left to do for an execution command after the
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/* Pointer to what is left to do for an execution command after the
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target stops. Used only in asynchronous mode, by targets that
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target stops. Used only in asynchronous mode, by targets that
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support async execution. The finish and until commands use it. So
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support async execution. The finish and until commands use it. So
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does the target extended-remote command. */
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does the target extended-remote command. */
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struct continuation *cmd_continuation;
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struct continuation *cmd_continuation;
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struct continuation *intermediate_continuation;
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struct continuation *intermediate_continuation;
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/* Nonzero if we have job control. */
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/* Nonzero if we have job control. */
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int job_control;
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int job_control;
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/* Nonzero means a quit has been requested. */
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/* Nonzero means a quit has been requested. */
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int quit_flag;
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int quit_flag;
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/* Nonzero means quit immediately if Control-C is typed now, rather
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/* Nonzero means quit immediately if Control-C is typed now, rather
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than waiting until QUIT is executed. Be careful in setting this;
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than waiting until QUIT is executed. Be careful in setting this;
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code which executes with immediate_quit set has to be very careful
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code which executes with immediate_quit set has to be very careful
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about being able to deal with being interrupted at any time. It is
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about being able to deal with being interrupted at any time. It is
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almost always better to use QUIT; the only exception I can think of
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almost always better to use QUIT; the only exception I can think of
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is being able to quit out of a system call (using EINTR loses if
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is being able to quit out of a system call (using EINTR loses if
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the SIGINT happens between the previous QUIT and the system call).
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the SIGINT happens between the previous QUIT and the system call).
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To immediately quit in the case in which a SIGINT happens between
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To immediately quit in the case in which a SIGINT happens between
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the previous QUIT and setting immediate_quit (desirable anytime we
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the previous QUIT and setting immediate_quit (desirable anytime we
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expect to block), call QUIT after setting immediate_quit. */
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expect to block), call QUIT after setting immediate_quit. */
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int immediate_quit;
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int immediate_quit;
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/* Nonzero means that encoded C++/ObjC names should be printed out in their
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/* Nonzero means that encoded C++/ObjC names should be printed out in their
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C++/ObjC form rather than raw. */
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C++/ObjC form rather than raw. */
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int demangle = 1;
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int demangle = 1;
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static void
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static void
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show_demangle (struct ui_file *file, int from_tty,
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show_demangle (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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Demangling of encoded C++/ObjC names when displaying symbols is %s.\n"),
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Demangling of encoded C++/ObjC names when displaying symbols 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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/* Nonzero means that encoded C++/ObjC names should be printed out in their
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/* Nonzero means that encoded C++/ObjC names should be printed out in their
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C++/ObjC form even in assembler language displays. If this is set, but
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C++/ObjC form even in assembler language displays. If this is set, but
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DEMANGLE is zero, names are printed raw, i.e. DEMANGLE controls. */
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DEMANGLE is zero, names are printed raw, i.e. DEMANGLE controls. */
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int asm_demangle = 0;
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int asm_demangle = 0;
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static void
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static void
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show_asm_demangle (struct ui_file *file, int from_tty,
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show_asm_demangle (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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Demangling of C++/ObjC names in disassembly listings is %s.\n"),
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Demangling of C++/ObjC names in disassembly listings 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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/* Nonzero means that strings with character values >0x7F should be printed
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/* Nonzero means that strings with character values >0x7F should be printed
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as octal escapes. Zero means just print the value (e.g. it's an
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as octal escapes. Zero means just print the value (e.g. it's an
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international character, and the terminal or window can cope.) */
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international character, and the terminal or window can cope.) */
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int sevenbit_strings = 0;
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int sevenbit_strings = 0;
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static void
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static void
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show_sevenbit_strings (struct ui_file *file, int from_tty,
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show_sevenbit_strings (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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Printing of 8-bit characters in strings as \\nnn is %s.\n"),
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Printing of 8-bit characters in strings as \\nnn 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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/* String to be printed before error messages, if any. */
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/* String to be printed before error messages, if any. */
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char *error_pre_print;
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char *error_pre_print;
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/* String to be printed before quit messages, if any. */
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/* String to be printed before quit messages, if any. */
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char *quit_pre_print;
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char *quit_pre_print;
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/* String to be printed before warning messages, if any. */
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/* String to be printed before warning messages, if any. */
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char *warning_pre_print = "\nwarning: ";
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char *warning_pre_print = "\nwarning: ";
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int pagination_enabled = 1;
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int pagination_enabled = 1;
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static void
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static void
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show_pagination_enabled (struct ui_file *file, int from_tty,
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show_pagination_enabled (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, _("State of pagination is %s.\n"), value);
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fprintf_filtered (file, _("State of pagination is %s.\n"), value);
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}
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}
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/* Add a new cleanup to the cleanup_chain,
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/* Add a new cleanup to the cleanup_chain,
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and return the previous chain pointer
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and return the previous chain pointer
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to be passed later to do_cleanups or discard_cleanups.
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to be passed later to do_cleanups or discard_cleanups.
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Args are FUNCTION to clean up with, and ARG to pass to it. */
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Args are FUNCTION to clean up with, and ARG to pass to it. */
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struct cleanup *
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struct cleanup *
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make_cleanup (make_cleanup_ftype *function, void *arg)
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make_cleanup (make_cleanup_ftype *function, void *arg)
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{
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{
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return make_my_cleanup (&cleanup_chain, function, arg);
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return make_my_cleanup (&cleanup_chain, function, arg);
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}
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}
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struct cleanup *
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struct cleanup *
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make_final_cleanup (make_cleanup_ftype *function, void *arg)
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make_final_cleanup (make_cleanup_ftype *function, void *arg)
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{
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{
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return make_my_cleanup (&final_cleanup_chain, function, arg);
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return make_my_cleanup (&final_cleanup_chain, function, arg);
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}
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}
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struct cleanup *
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struct cleanup *
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make_exec_cleanup (make_cleanup_ftype *function, void *arg)
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make_exec_cleanup (make_cleanup_ftype *function, void *arg)
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{
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{
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return make_my_cleanup (&exec_cleanup_chain, function, arg);
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return make_my_cleanup (&exec_cleanup_chain, function, arg);
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}
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}
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struct cleanup *
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struct cleanup *
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make_exec_error_cleanup (make_cleanup_ftype *function, void *arg)
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make_exec_error_cleanup (make_cleanup_ftype *function, void *arg)
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{
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{
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return make_my_cleanup (&exec_error_cleanup_chain, function, arg);
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return make_my_cleanup (&exec_error_cleanup_chain, function, arg);
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}
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}
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static void
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static void
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do_freeargv (void *arg)
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do_freeargv (void *arg)
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{
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{
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freeargv ((char **) arg);
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freeargv ((char **) arg);
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}
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}
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struct cleanup *
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struct cleanup *
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make_cleanup_freeargv (char **arg)
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make_cleanup_freeargv (char **arg)
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{
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{
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return make_my_cleanup (&cleanup_chain, do_freeargv, arg);
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return make_my_cleanup (&cleanup_chain, do_freeargv, arg);
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}
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}
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static void
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static void
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do_bfd_close_cleanup (void *arg)
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do_bfd_close_cleanup (void *arg)
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{
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{
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bfd_close (arg);
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bfd_close (arg);
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}
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}
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struct cleanup *
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struct cleanup *
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make_cleanup_bfd_close (bfd *abfd)
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make_cleanup_bfd_close (bfd *abfd)
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{
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{
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return make_cleanup (do_bfd_close_cleanup, abfd);
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return make_cleanup (do_bfd_close_cleanup, abfd);
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}
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}
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static void
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static void
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do_close_cleanup (void *arg)
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do_close_cleanup (void *arg)
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{
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{
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int *fd = arg;
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int *fd = arg;
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close (*fd);
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close (*fd);
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xfree (fd);
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xfree (fd);
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}
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}
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struct cleanup *
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struct cleanup *
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make_cleanup_close (int fd)
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make_cleanup_close (int fd)
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{
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{
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int *saved_fd = xmalloc (sizeof (fd));
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int *saved_fd = xmalloc (sizeof (fd));
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*saved_fd = fd;
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*saved_fd = fd;
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return make_cleanup (do_close_cleanup, saved_fd);
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return make_cleanup (do_close_cleanup, saved_fd);
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}
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}
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static void
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static void
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do_ui_file_delete (void *arg)
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do_ui_file_delete (void *arg)
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{
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{
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ui_file_delete (arg);
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ui_file_delete (arg);
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}
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}
|
|
|
struct cleanup *
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struct cleanup *
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make_cleanup_ui_file_delete (struct ui_file *arg)
|
make_cleanup_ui_file_delete (struct ui_file *arg)
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{
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{
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return make_my_cleanup (&cleanup_chain, do_ui_file_delete, arg);
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return make_my_cleanup (&cleanup_chain, do_ui_file_delete, arg);
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}
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}
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static void
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static void
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do_free_section_addr_info (void *arg)
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do_free_section_addr_info (void *arg)
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{
|
{
|
free_section_addr_info (arg);
|
free_section_addr_info (arg);
|
}
|
}
|
|
|
struct cleanup *
|
struct cleanup *
|
make_cleanup_free_section_addr_info (struct section_addr_info *addrs)
|
make_cleanup_free_section_addr_info (struct section_addr_info *addrs)
|
{
|
{
|
return make_my_cleanup (&cleanup_chain, do_free_section_addr_info, addrs);
|
return make_my_cleanup (&cleanup_chain, do_free_section_addr_info, addrs);
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}
|
}
|
|
|
|
|
struct cleanup *
|
struct cleanup *
|
make_my_cleanup (struct cleanup **pmy_chain, make_cleanup_ftype *function,
|
make_my_cleanup (struct cleanup **pmy_chain, make_cleanup_ftype *function,
|
void *arg)
|
void *arg)
|
{
|
{
|
struct cleanup *new
|
struct cleanup *new
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= (struct cleanup *) xmalloc (sizeof (struct cleanup));
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= (struct cleanup *) xmalloc (sizeof (struct cleanup));
|
struct cleanup *old_chain = *pmy_chain;
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struct cleanup *old_chain = *pmy_chain;
|
|
|
new->next = *pmy_chain;
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new->next = *pmy_chain;
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new->function = function;
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new->function = function;
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new->arg = arg;
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new->arg = arg;
|
*pmy_chain = new;
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*pmy_chain = new;
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|
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return old_chain;
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return old_chain;
|
}
|
}
|
|
|
/* Discard cleanups and do the actions they describe
|
/* Discard cleanups and do the actions they describe
|
until we get back to the point OLD_CHAIN in the cleanup_chain. */
|
until we get back to the point OLD_CHAIN in the cleanup_chain. */
|
|
|
void
|
void
|
do_cleanups (struct cleanup *old_chain)
|
do_cleanups (struct cleanup *old_chain)
|
{
|
{
|
do_my_cleanups (&cleanup_chain, old_chain);
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do_my_cleanups (&cleanup_chain, old_chain);
|
}
|
}
|
|
|
void
|
void
|
do_final_cleanups (struct cleanup *old_chain)
|
do_final_cleanups (struct cleanup *old_chain)
|
{
|
{
|
do_my_cleanups (&final_cleanup_chain, old_chain);
|
do_my_cleanups (&final_cleanup_chain, old_chain);
|
}
|
}
|
|
|
void
|
void
|
do_exec_cleanups (struct cleanup *old_chain)
|
do_exec_cleanups (struct cleanup *old_chain)
|
{
|
{
|
do_my_cleanups (&exec_cleanup_chain, old_chain);
|
do_my_cleanups (&exec_cleanup_chain, old_chain);
|
}
|
}
|
|
|
void
|
void
|
do_exec_error_cleanups (struct cleanup *old_chain)
|
do_exec_error_cleanups (struct cleanup *old_chain)
|
{
|
{
|
do_my_cleanups (&exec_error_cleanup_chain, old_chain);
|
do_my_cleanups (&exec_error_cleanup_chain, old_chain);
|
}
|
}
|
|
|
static void
|
static void
|
do_my_cleanups (struct cleanup **pmy_chain,
|
do_my_cleanups (struct cleanup **pmy_chain,
|
struct cleanup *old_chain)
|
struct cleanup *old_chain)
|
{
|
{
|
struct cleanup *ptr;
|
struct cleanup *ptr;
|
while ((ptr = *pmy_chain) != old_chain)
|
while ((ptr = *pmy_chain) != old_chain)
|
{
|
{
|
*pmy_chain = ptr->next; /* Do this first incase recursion */
|
*pmy_chain = ptr->next; /* Do this first incase recursion */
|
(*ptr->function) (ptr->arg);
|
(*ptr->function) (ptr->arg);
|
xfree (ptr);
|
xfree (ptr);
|
}
|
}
|
}
|
}
|
|
|
/* Discard cleanups, not doing the actions they describe,
|
/* Discard cleanups, not doing the actions they describe,
|
until we get back to the point OLD_CHAIN in the cleanup_chain. */
|
until we get back to the point OLD_CHAIN in the cleanup_chain. */
|
|
|
void
|
void
|
discard_cleanups (struct cleanup *old_chain)
|
discard_cleanups (struct cleanup *old_chain)
|
{
|
{
|
discard_my_cleanups (&cleanup_chain, old_chain);
|
discard_my_cleanups (&cleanup_chain, old_chain);
|
}
|
}
|
|
|
void
|
void
|
discard_final_cleanups (struct cleanup *old_chain)
|
discard_final_cleanups (struct cleanup *old_chain)
|
{
|
{
|
discard_my_cleanups (&final_cleanup_chain, old_chain);
|
discard_my_cleanups (&final_cleanup_chain, old_chain);
|
}
|
}
|
|
|
void
|
void
|
discard_exec_error_cleanups (struct cleanup *old_chain)
|
discard_exec_error_cleanups (struct cleanup *old_chain)
|
{
|
{
|
discard_my_cleanups (&exec_error_cleanup_chain, old_chain);
|
discard_my_cleanups (&exec_error_cleanup_chain, old_chain);
|
}
|
}
|
|
|
void
|
void
|
discard_my_cleanups (struct cleanup **pmy_chain,
|
discard_my_cleanups (struct cleanup **pmy_chain,
|
struct cleanup *old_chain)
|
struct cleanup *old_chain)
|
{
|
{
|
struct cleanup *ptr;
|
struct cleanup *ptr;
|
while ((ptr = *pmy_chain) != old_chain)
|
while ((ptr = *pmy_chain) != old_chain)
|
{
|
{
|
*pmy_chain = ptr->next;
|
*pmy_chain = ptr->next;
|
xfree (ptr);
|
xfree (ptr);
|
}
|
}
|
}
|
}
|
|
|
/* Set the cleanup_chain to 0, and return the old cleanup chain. */
|
/* Set the cleanup_chain to 0, and return the old cleanup chain. */
|
struct cleanup *
|
struct cleanup *
|
save_cleanups (void)
|
save_cleanups (void)
|
{
|
{
|
return save_my_cleanups (&cleanup_chain);
|
return save_my_cleanups (&cleanup_chain);
|
}
|
}
|
|
|
struct cleanup *
|
struct cleanup *
|
save_final_cleanups (void)
|
save_final_cleanups (void)
|
{
|
{
|
return save_my_cleanups (&final_cleanup_chain);
|
return save_my_cleanups (&final_cleanup_chain);
|
}
|
}
|
|
|
struct cleanup *
|
struct cleanup *
|
save_my_cleanups (struct cleanup **pmy_chain)
|
save_my_cleanups (struct cleanup **pmy_chain)
|
{
|
{
|
struct cleanup *old_chain = *pmy_chain;
|
struct cleanup *old_chain = *pmy_chain;
|
|
|
*pmy_chain = 0;
|
*pmy_chain = 0;
|
return old_chain;
|
return old_chain;
|
}
|
}
|
|
|
/* Restore the cleanup chain from a previously saved chain. */
|
/* Restore the cleanup chain from a previously saved chain. */
|
void
|
void
|
restore_cleanups (struct cleanup *chain)
|
restore_cleanups (struct cleanup *chain)
|
{
|
{
|
restore_my_cleanups (&cleanup_chain, chain);
|
restore_my_cleanups (&cleanup_chain, chain);
|
}
|
}
|
|
|
void
|
void
|
restore_final_cleanups (struct cleanup *chain)
|
restore_final_cleanups (struct cleanup *chain)
|
{
|
{
|
restore_my_cleanups (&final_cleanup_chain, chain);
|
restore_my_cleanups (&final_cleanup_chain, chain);
|
}
|
}
|
|
|
void
|
void
|
restore_my_cleanups (struct cleanup **pmy_chain, struct cleanup *chain)
|
restore_my_cleanups (struct cleanup **pmy_chain, struct cleanup *chain)
|
{
|
{
|
*pmy_chain = chain;
|
*pmy_chain = chain;
|
}
|
}
|
|
|
/* This function is useful for cleanups.
|
/* This function is useful for cleanups.
|
Do
|
Do
|
|
|
foo = xmalloc (...);
|
foo = xmalloc (...);
|
old_chain = make_cleanup (free_current_contents, &foo);
|
old_chain = make_cleanup (free_current_contents, &foo);
|
|
|
to arrange to free the object thus allocated. */
|
to arrange to free the object thus allocated. */
|
|
|
void
|
void
|
free_current_contents (void *ptr)
|
free_current_contents (void *ptr)
|
{
|
{
|
void **location = ptr;
|
void **location = ptr;
|
if (location == NULL)
|
if (location == NULL)
|
internal_error (__FILE__, __LINE__,
|
internal_error (__FILE__, __LINE__,
|
_("free_current_contents: NULL pointer"));
|
_("free_current_contents: NULL pointer"));
|
if (*location != NULL)
|
if (*location != NULL)
|
{
|
{
|
xfree (*location);
|
xfree (*location);
|
*location = NULL;
|
*location = NULL;
|
}
|
}
|
}
|
}
|
|
|
/* Provide a known function that does nothing, to use as a base for
|
/* Provide a known function that does nothing, to use as a base for
|
for a possibly long chain of cleanups. This is useful where we
|
for a possibly long chain of cleanups. This is useful where we
|
use the cleanup chain for handling normal cleanups as well as dealing
|
use the cleanup chain for handling normal cleanups as well as dealing
|
with cleanups that need to be done as a result of a call to error().
|
with cleanups that need to be done as a result of a call to error().
|
In such cases, we may not be certain where the first cleanup is, unless
|
In such cases, we may not be certain where the first cleanup is, unless
|
we have a do-nothing one to always use as the base. */
|
we have a do-nothing one to always use as the base. */
|
|
|
void
|
void
|
null_cleanup (void *arg)
|
null_cleanup (void *arg)
|
{
|
{
|
}
|
}
|
|
|
/* Add a continuation to the continuation list, the global list
|
/* Add a continuation to the continuation list, the global list
|
cmd_continuation. The new continuation will be added at the front.*/
|
cmd_continuation. The new continuation will be added at the front.*/
|
void
|
void
|
add_continuation (void (*continuation_hook) (struct continuation_arg *),
|
add_continuation (void (*continuation_hook) (struct continuation_arg *),
|
struct continuation_arg *arg_list)
|
struct continuation_arg *arg_list)
|
{
|
{
|
struct continuation *continuation_ptr;
|
struct continuation *continuation_ptr;
|
|
|
continuation_ptr =
|
continuation_ptr =
|
(struct continuation *) xmalloc (sizeof (struct continuation));
|
(struct continuation *) xmalloc (sizeof (struct continuation));
|
continuation_ptr->continuation_hook = continuation_hook;
|
continuation_ptr->continuation_hook = continuation_hook;
|
continuation_ptr->arg_list = arg_list;
|
continuation_ptr->arg_list = arg_list;
|
continuation_ptr->next = cmd_continuation;
|
continuation_ptr->next = cmd_continuation;
|
cmd_continuation = continuation_ptr;
|
cmd_continuation = continuation_ptr;
|
}
|
}
|
|
|
/* Walk down the cmd_continuation list, and execute all the
|
/* Walk down the cmd_continuation list, and execute all the
|
continuations. There is a problem though. In some cases new
|
continuations. There is a problem though. In some cases new
|
continuations may be added while we are in the middle of this
|
continuations may be added while we are in the middle of this
|
loop. If this happens they will be added in the front, and done
|
loop. If this happens they will be added in the front, and done
|
before we have a chance of exhausting those that were already
|
before we have a chance of exhausting those that were already
|
there. We need to then save the beginning of the list in a pointer
|
there. We need to then save the beginning of the list in a pointer
|
and do the continuations from there on, instead of using the
|
and do the continuations from there on, instead of using the
|
global beginning of list as our iteration pointer. */
|
global beginning of list as our iteration pointer. */
|
void
|
void
|
do_all_continuations (void)
|
do_all_continuations (void)
|
{
|
{
|
struct continuation *continuation_ptr;
|
struct continuation *continuation_ptr;
|
struct continuation *saved_continuation;
|
struct continuation *saved_continuation;
|
|
|
/* Copy the list header into another pointer, and set the global
|
/* Copy the list header into another pointer, and set the global
|
list header to null, so that the global list can change as a side
|
list header to null, so that the global list can change as a side
|
effect of invoking the continuations and the processing of
|
effect of invoking the continuations and the processing of
|
the preexisting continuations will not be affected. */
|
the preexisting continuations will not be affected. */
|
continuation_ptr = cmd_continuation;
|
continuation_ptr = cmd_continuation;
|
cmd_continuation = NULL;
|
cmd_continuation = NULL;
|
|
|
/* Work now on the list we have set aside. */
|
/* Work now on the list we have set aside. */
|
while (continuation_ptr)
|
while (continuation_ptr)
|
{
|
{
|
(continuation_ptr->continuation_hook) (continuation_ptr->arg_list);
|
(continuation_ptr->continuation_hook) (continuation_ptr->arg_list);
|
saved_continuation = continuation_ptr;
|
saved_continuation = continuation_ptr;
|
continuation_ptr = continuation_ptr->next;
|
continuation_ptr = continuation_ptr->next;
|
xfree (saved_continuation);
|
xfree (saved_continuation);
|
}
|
}
|
}
|
}
|
|
|
/* Walk down the cmd_continuation list, and get rid of all the
|
/* Walk down the cmd_continuation list, and get rid of all the
|
continuations. */
|
continuations. */
|
void
|
void
|
discard_all_continuations (void)
|
discard_all_continuations (void)
|
{
|
{
|
struct continuation *continuation_ptr;
|
struct continuation *continuation_ptr;
|
|
|
while (cmd_continuation)
|
while (cmd_continuation)
|
{
|
{
|
continuation_ptr = cmd_continuation;
|
continuation_ptr = cmd_continuation;
|
cmd_continuation = continuation_ptr->next;
|
cmd_continuation = continuation_ptr->next;
|
xfree (continuation_ptr);
|
xfree (continuation_ptr);
|
}
|
}
|
}
|
}
|
|
|
/* Add a continuation to the continuation list, the global list
|
/* Add a continuation to the continuation list, the global list
|
intermediate_continuation. The new continuation will be added at
|
intermediate_continuation. The new continuation will be added at
|
the front. */
|
the front. */
|
void
|
void
|
add_intermediate_continuation (void (*continuation_hook)
|
add_intermediate_continuation (void (*continuation_hook)
|
(struct continuation_arg *),
|
(struct continuation_arg *),
|
struct continuation_arg *arg_list)
|
struct continuation_arg *arg_list)
|
{
|
{
|
struct continuation *continuation_ptr;
|
struct continuation *continuation_ptr;
|
|
|
continuation_ptr =
|
continuation_ptr =
|
(struct continuation *) xmalloc (sizeof (struct continuation));
|
(struct continuation *) xmalloc (sizeof (struct continuation));
|
continuation_ptr->continuation_hook = continuation_hook;
|
continuation_ptr->continuation_hook = continuation_hook;
|
continuation_ptr->arg_list = arg_list;
|
continuation_ptr->arg_list = arg_list;
|
continuation_ptr->next = intermediate_continuation;
|
continuation_ptr->next = intermediate_continuation;
|
intermediate_continuation = continuation_ptr;
|
intermediate_continuation = continuation_ptr;
|
}
|
}
|
|
|
/* Walk down the cmd_continuation list, and execute all the
|
/* Walk down the cmd_continuation list, and execute all the
|
continuations. There is a problem though. In some cases new
|
continuations. There is a problem though. In some cases new
|
continuations may be added while we are in the middle of this
|
continuations may be added while we are in the middle of this
|
loop. If this happens they will be added in the front, and done
|
loop. If this happens they will be added in the front, and done
|
before we have a chance of exhausting those that were already
|
before we have a chance of exhausting those that were already
|
there. We need to then save the beginning of the list in a pointer
|
there. We need to then save the beginning of the list in a pointer
|
and do the continuations from there on, instead of using the
|
and do the continuations from there on, instead of using the
|
global beginning of list as our iteration pointer.*/
|
global beginning of list as our iteration pointer.*/
|
void
|
void
|
do_all_intermediate_continuations (void)
|
do_all_intermediate_continuations (void)
|
{
|
{
|
struct continuation *continuation_ptr;
|
struct continuation *continuation_ptr;
|
struct continuation *saved_continuation;
|
struct continuation *saved_continuation;
|
|
|
/* Copy the list header into another pointer, and set the global
|
/* Copy the list header into another pointer, and set the global
|
list header to null, so that the global list can change as a side
|
list header to null, so that the global list can change as a side
|
effect of invoking the continuations and the processing of
|
effect of invoking the continuations and the processing of
|
the preexisting continuations will not be affected. */
|
the preexisting continuations will not be affected. */
|
continuation_ptr = intermediate_continuation;
|
continuation_ptr = intermediate_continuation;
|
intermediate_continuation = NULL;
|
intermediate_continuation = NULL;
|
|
|
/* Work now on the list we have set aside. */
|
/* Work now on the list we have set aside. */
|
while (continuation_ptr)
|
while (continuation_ptr)
|
{
|
{
|
(continuation_ptr->continuation_hook) (continuation_ptr->arg_list);
|
(continuation_ptr->continuation_hook) (continuation_ptr->arg_list);
|
saved_continuation = continuation_ptr;
|
saved_continuation = continuation_ptr;
|
continuation_ptr = continuation_ptr->next;
|
continuation_ptr = continuation_ptr->next;
|
xfree (saved_continuation);
|
xfree (saved_continuation);
|
}
|
}
|
}
|
}
|
|
|
/* Walk down the cmd_continuation list, and get rid of all the
|
/* Walk down the cmd_continuation list, and get rid of all the
|
continuations. */
|
continuations. */
|
void
|
void
|
discard_all_intermediate_continuations (void)
|
discard_all_intermediate_continuations (void)
|
{
|
{
|
struct continuation *continuation_ptr;
|
struct continuation *continuation_ptr;
|
|
|
while (intermediate_continuation)
|
while (intermediate_continuation)
|
{
|
{
|
continuation_ptr = intermediate_continuation;
|
continuation_ptr = intermediate_continuation;
|
intermediate_continuation = continuation_ptr->next;
|
intermediate_continuation = continuation_ptr->next;
|
xfree (continuation_ptr);
|
xfree (continuation_ptr);
|
}
|
}
|
}
|
}
|
|
|
|
|
|
|
/* Print a warning message. The first argument STRING is the warning
|
/* Print a warning message. The first argument STRING is the warning
|
message, used as an fprintf format string, the second is the
|
message, used as an fprintf format string, the second is the
|
va_list of arguments for that string. A warning is unfiltered (not
|
va_list of arguments for that string. A warning is unfiltered (not
|
paginated) so that the user does not need to page through each
|
paginated) so that the user does not need to page through each
|
screen full of warnings when there are lots of them. */
|
screen full of warnings when there are lots of them. */
|
|
|
void
|
void
|
vwarning (const char *string, va_list args)
|
vwarning (const char *string, va_list args)
|
{
|
{
|
if (deprecated_warning_hook)
|
if (deprecated_warning_hook)
|
(*deprecated_warning_hook) (string, args);
|
(*deprecated_warning_hook) (string, args);
|
else
|
else
|
{
|
{
|
target_terminal_ours ();
|
target_terminal_ours ();
|
wrap_here (""); /* Force out any buffered output */
|
wrap_here (""); /* Force out any buffered output */
|
gdb_flush (gdb_stdout);
|
gdb_flush (gdb_stdout);
|
if (warning_pre_print)
|
if (warning_pre_print)
|
fputs_unfiltered (warning_pre_print, gdb_stderr);
|
fputs_unfiltered (warning_pre_print, gdb_stderr);
|
vfprintf_unfiltered (gdb_stderr, string, args);
|
vfprintf_unfiltered (gdb_stderr, string, args);
|
fprintf_unfiltered (gdb_stderr, "\n");
|
fprintf_unfiltered (gdb_stderr, "\n");
|
va_end (args);
|
va_end (args);
|
}
|
}
|
}
|
}
|
|
|
/* Print a warning message.
|
/* Print a warning message.
|
The first argument STRING is the warning message, used as a fprintf string,
|
The first argument STRING is the warning message, used as a fprintf string,
|
and the remaining args are passed as arguments to it.
|
and the remaining args are passed as arguments to it.
|
The primary difference between warnings and errors is that a warning
|
The primary difference between warnings and errors is that a warning
|
does not force the return to command level. */
|
does not force the return to command level. */
|
|
|
void
|
void
|
warning (const char *string, ...)
|
warning (const char *string, ...)
|
{
|
{
|
va_list args;
|
va_list args;
|
va_start (args, string);
|
va_start (args, string);
|
vwarning (string, args);
|
vwarning (string, args);
|
va_end (args);
|
va_end (args);
|
}
|
}
|
|
|
/* Print an error message and return to command level.
|
/* Print an error message and return to command level.
|
The first argument STRING is the error message, used as a fprintf string,
|
The first argument STRING is the error message, used as a fprintf string,
|
and the remaining args are passed as arguments to it. */
|
and the remaining args are passed as arguments to it. */
|
|
|
NORETURN void
|
NORETURN void
|
verror (const char *string, va_list args)
|
verror (const char *string, va_list args)
|
{
|
{
|
throw_verror (GENERIC_ERROR, string, args);
|
throw_verror (GENERIC_ERROR, string, args);
|
}
|
}
|
|
|
NORETURN void
|
NORETURN void
|
error (const char *string, ...)
|
error (const char *string, ...)
|
{
|
{
|
va_list args;
|
va_list args;
|
va_start (args, string);
|
va_start (args, string);
|
throw_verror (GENERIC_ERROR, string, args);
|
throw_verror (GENERIC_ERROR, string, args);
|
va_end (args);
|
va_end (args);
|
}
|
}
|
|
|
/* Print an error message and quit.
|
/* Print an error message and quit.
|
The first argument STRING is the error message, used as a fprintf string,
|
The first argument STRING is the error message, used as a fprintf string,
|
and the remaining args are passed as arguments to it. */
|
and the remaining args are passed as arguments to it. */
|
|
|
NORETURN void
|
NORETURN void
|
vfatal (const char *string, va_list args)
|
vfatal (const char *string, va_list args)
|
{
|
{
|
throw_vfatal (string, args);
|
throw_vfatal (string, args);
|
}
|
}
|
|
|
NORETURN void
|
NORETURN void
|
fatal (const char *string, ...)
|
fatal (const char *string, ...)
|
{
|
{
|
va_list args;
|
va_list args;
|
va_start (args, string);
|
va_start (args, string);
|
throw_vfatal (string, args);
|
throw_vfatal (string, args);
|
va_end (args);
|
va_end (args);
|
}
|
}
|
|
|
NORETURN void
|
NORETURN void
|
error_stream (struct ui_file *stream)
|
error_stream (struct ui_file *stream)
|
{
|
{
|
long len;
|
long len;
|
char *message = ui_file_xstrdup (stream, &len);
|
char *message = ui_file_xstrdup (stream, &len);
|
make_cleanup (xfree, message);
|
make_cleanup (xfree, message);
|
error (("%s"), message);
|
error (("%s"), message);
|
}
|
}
|
|
|
/* Print a message reporting an internal error/warning. Ask the user
|
/* Print a message reporting an internal error/warning. Ask the user
|
if they want to continue, dump core, or just exit. Return
|
if they want to continue, dump core, or just exit. Return
|
something to indicate a quit. */
|
something to indicate a quit. */
|
|
|
struct internal_problem
|
struct internal_problem
|
{
|
{
|
const char *name;
|
const char *name;
|
/* FIXME: cagney/2002-08-15: There should be ``maint set/show''
|
/* FIXME: cagney/2002-08-15: There should be ``maint set/show''
|
commands available for controlling these variables. */
|
commands available for controlling these variables. */
|
enum auto_boolean should_quit;
|
enum auto_boolean should_quit;
|
enum auto_boolean should_dump_core;
|
enum auto_boolean should_dump_core;
|
};
|
};
|
|
|
/* Report a problem, internal to GDB, to the user. Once the problem
|
/* Report a problem, internal to GDB, to the user. Once the problem
|
has been reported, and assuming GDB didn't quit, the caller can
|
has been reported, and assuming GDB didn't quit, the caller can
|
either allow execution to resume or throw an error. */
|
either allow execution to resume or throw an error. */
|
/* JPB: Some picky Ubuntu GCC compilers don't like the result of write being
|
/* JPB: Some picky Ubuntu GCC compilers don't like the result of write being
|
ignored (even if you cast it to void). So capture the value and ignore
|
ignored (even if you cast it to void). So capture the value and ignore
|
THAT. */
|
THAT. */
|
|
|
static void ATTR_FORMAT (printf, 4, 0)
|
static void ATTR_FORMAT (printf, 4, 0)
|
internal_vproblem (struct internal_problem *problem,
|
internal_vproblem (struct internal_problem *problem,
|
const char *file, int line, const char *fmt, va_list ap)
|
const char *file, int line, const char *fmt, va_list ap)
|
{
|
{
|
int res; /* For write result */
|
int res; /* For write result */
|
static int dejavu;
|
static int dejavu;
|
int quit_p;
|
int quit_p;
|
int dump_core_p;
|
int dump_core_p;
|
char *reason;
|
char *reason;
|
|
|
/* Don't allow infinite error/warning recursion. */
|
/* Don't allow infinite error/warning recursion. */
|
{
|
{
|
static char msg[] = "Recursive internal problem.\n";
|
static char msg[] = "Recursive internal problem.\n";
|
switch (dejavu)
|
switch (dejavu)
|
{
|
{
|
case 0:
|
case 0:
|
dejavu = 1;
|
dejavu = 1;
|
break;
|
break;
|
case 1:
|
case 1:
|
dejavu = 2;
|
dejavu = 2;
|
fputs_unfiltered (msg, gdb_stderr);
|
fputs_unfiltered (msg, gdb_stderr);
|
abort (); /* NOTE: GDB has only three calls to abort(). */
|
abort (); /* NOTE: GDB has only three calls to abort(). */
|
default:
|
default:
|
dejavu = 3;
|
dejavu = 3;
|
res = write (STDERR_FILENO, msg, sizeof (msg));
|
res = write (STDERR_FILENO, msg, sizeof (msg));
|
exit (1);
|
exit (1);
|
}
|
}
|
}
|
}
|
|
|
/* Try to get the message out and at the start of a new line. */
|
/* Try to get the message out and at the start of a new line. */
|
target_terminal_ours ();
|
target_terminal_ours ();
|
begin_line ();
|
begin_line ();
|
|
|
/* Create a string containing the full error/warning message. Need
|
/* Create a string containing the full error/warning message. Need
|
to call query with this full string, as otherwize the reason
|
to call query with this full string, as otherwize the reason
|
(error/warning) and question become separated. Format using a
|
(error/warning) and question become separated. Format using a
|
style similar to a compiler error message. Include extra detail
|
style similar to a compiler error message. Include extra detail
|
so that the user knows that they are living on the edge. */
|
so that the user knows that they are living on the edge. */
|
{
|
{
|
char *msg;
|
char *msg;
|
msg = xstrvprintf (fmt, ap);
|
msg = xstrvprintf (fmt, ap);
|
reason = xstrprintf ("\
|
reason = xstrprintf ("\
|
%s:%d: %s: %s\n\
|
%s:%d: %s: %s\n\
|
A problem internal to GDB has been detected,\n\
|
A problem internal to GDB has been detected,\n\
|
further debugging may prove unreliable.", file, line, problem->name, msg);
|
further debugging may prove unreliable.", file, line, problem->name, msg);
|
xfree (msg);
|
xfree (msg);
|
make_cleanup (xfree, reason);
|
make_cleanup (xfree, reason);
|
}
|
}
|
|
|
switch (problem->should_quit)
|
switch (problem->should_quit)
|
{
|
{
|
case AUTO_BOOLEAN_AUTO:
|
case AUTO_BOOLEAN_AUTO:
|
/* Default (yes/batch case) is to quit GDB. When in batch mode
|
/* Default (yes/batch case) is to quit GDB. When in batch mode
|
this lessens the likelhood of GDB going into an infinate
|
this lessens the likelhood of GDB going into an infinate
|
loop. */
|
loop. */
|
quit_p = query (_("%s\nQuit this debugging session? "), reason);
|
quit_p = query (_("%s\nQuit this debugging session? "), reason);
|
break;
|
break;
|
case AUTO_BOOLEAN_TRUE:
|
case AUTO_BOOLEAN_TRUE:
|
quit_p = 1;
|
quit_p = 1;
|
break;
|
break;
|
case AUTO_BOOLEAN_FALSE:
|
case AUTO_BOOLEAN_FALSE:
|
quit_p = 0;
|
quit_p = 0;
|
break;
|
break;
|
default:
|
default:
|
internal_error (__FILE__, __LINE__, _("bad switch"));
|
internal_error (__FILE__, __LINE__, _("bad switch"));
|
}
|
}
|
|
|
switch (problem->should_dump_core)
|
switch (problem->should_dump_core)
|
{
|
{
|
case AUTO_BOOLEAN_AUTO:
|
case AUTO_BOOLEAN_AUTO:
|
/* Default (yes/batch case) is to dump core. This leaves a GDB
|
/* Default (yes/batch case) is to dump core. This leaves a GDB
|
`dropping' so that it is easier to see that something went
|
`dropping' so that it is easier to see that something went
|
wrong in GDB. */
|
wrong in GDB. */
|
dump_core_p = query (_("%s\nCreate a core file of GDB? "), reason);
|
dump_core_p = query (_("%s\nCreate a core file of GDB? "), reason);
|
break;
|
break;
|
break;
|
break;
|
case AUTO_BOOLEAN_TRUE:
|
case AUTO_BOOLEAN_TRUE:
|
dump_core_p = 1;
|
dump_core_p = 1;
|
break;
|
break;
|
case AUTO_BOOLEAN_FALSE:
|
case AUTO_BOOLEAN_FALSE:
|
dump_core_p = 0;
|
dump_core_p = 0;
|
break;
|
break;
|
default:
|
default:
|
internal_error (__FILE__, __LINE__, _("bad switch"));
|
internal_error (__FILE__, __LINE__, _("bad switch"));
|
}
|
}
|
|
|
if (quit_p)
|
if (quit_p)
|
{
|
{
|
if (dump_core_p)
|
if (dump_core_p)
|
abort (); /* NOTE: GDB has only three calls to abort(). */
|
abort (); /* NOTE: GDB has only three calls to abort(). */
|
else
|
else
|
exit (1);
|
exit (1);
|
}
|
}
|
else
|
else
|
{
|
{
|
if (dump_core_p)
|
if (dump_core_p)
|
{
|
{
|
#ifdef HAVE_WORKING_FORK
|
#ifdef HAVE_WORKING_FORK
|
if (fork () == 0)
|
if (fork () == 0)
|
abort (); /* NOTE: GDB has only three calls to abort(). */
|
abort (); /* NOTE: GDB has only three calls to abort(). */
|
#endif
|
#endif
|
}
|
}
|
}
|
}
|
|
|
dejavu = 0;
|
dejavu = 0;
|
}
|
}
|
|
|
static struct internal_problem internal_error_problem = {
|
static struct internal_problem internal_error_problem = {
|
"internal-error", AUTO_BOOLEAN_AUTO, AUTO_BOOLEAN_AUTO
|
"internal-error", AUTO_BOOLEAN_AUTO, AUTO_BOOLEAN_AUTO
|
};
|
};
|
|
|
NORETURN void
|
NORETURN void
|
internal_verror (const char *file, int line, const char *fmt, va_list ap)
|
internal_verror (const char *file, int line, const char *fmt, va_list ap)
|
{
|
{
|
internal_vproblem (&internal_error_problem, file, line, fmt, ap);
|
internal_vproblem (&internal_error_problem, file, line, fmt, ap);
|
deprecated_throw_reason (RETURN_ERROR);
|
deprecated_throw_reason (RETURN_ERROR);
|
}
|
}
|
|
|
NORETURN void
|
NORETURN void
|
internal_error (const char *file, int line, const char *string, ...)
|
internal_error (const char *file, int line, const char *string, ...)
|
{
|
{
|
va_list ap;
|
va_list ap;
|
va_start (ap, string);
|
va_start (ap, string);
|
internal_verror (file, line, string, ap);
|
internal_verror (file, line, string, ap);
|
va_end (ap);
|
va_end (ap);
|
}
|
}
|
|
|
static struct internal_problem internal_warning_problem = {
|
static struct internal_problem internal_warning_problem = {
|
"internal-warning", AUTO_BOOLEAN_AUTO, AUTO_BOOLEAN_AUTO
|
"internal-warning", AUTO_BOOLEAN_AUTO, AUTO_BOOLEAN_AUTO
|
};
|
};
|
|
|
void
|
void
|
internal_vwarning (const char *file, int line, const char *fmt, va_list ap)
|
internal_vwarning (const char *file, int line, const char *fmt, va_list ap)
|
{
|
{
|
internal_vproblem (&internal_warning_problem, file, line, fmt, ap);
|
internal_vproblem (&internal_warning_problem, file, line, fmt, ap);
|
}
|
}
|
|
|
void
|
void
|
internal_warning (const char *file, int line, const char *string, ...)
|
internal_warning (const char *file, int line, const char *string, ...)
|
{
|
{
|
va_list ap;
|
va_list ap;
|
va_start (ap, string);
|
va_start (ap, string);
|
internal_vwarning (file, line, string, ap);
|
internal_vwarning (file, line, string, ap);
|
va_end (ap);
|
va_end (ap);
|
}
|
}
|
|
|
/* Print the system error message for errno, and also mention STRING
|
/* Print the system error message for errno, and also mention STRING
|
as the file name for which the error was encountered.
|
as the file name for which the error was encountered.
|
Then return to command level. */
|
Then return to command level. */
|
|
|
NORETURN void
|
NORETURN void
|
perror_with_name (const char *string)
|
perror_with_name (const char *string)
|
{
|
{
|
char *err;
|
char *err;
|
char *combined;
|
char *combined;
|
|
|
err = safe_strerror (errno);
|
err = safe_strerror (errno);
|
combined = (char *) alloca (strlen (err) + strlen (string) + 3);
|
combined = (char *) alloca (strlen (err) + strlen (string) + 3);
|
strcpy (combined, string);
|
strcpy (combined, string);
|
strcat (combined, ": ");
|
strcat (combined, ": ");
|
strcat (combined, err);
|
strcat (combined, err);
|
|
|
/* I understand setting these is a matter of taste. Still, some people
|
/* I understand setting these is a matter of taste. Still, some people
|
may clear errno but not know about bfd_error. Doing this here is not
|
may clear errno but not know about bfd_error. Doing this here is not
|
unreasonable. */
|
unreasonable. */
|
bfd_set_error (bfd_error_no_error);
|
bfd_set_error (bfd_error_no_error);
|
errno = 0;
|
errno = 0;
|
|
|
error (_("%s."), combined);
|
error (_("%s."), combined);
|
}
|
}
|
|
|
/* Print the system error message for ERRCODE, and also mention STRING
|
/* Print the system error message for ERRCODE, and also mention STRING
|
as the file name for which the error was encountered. */
|
as the file name for which the error was encountered. */
|
|
|
void
|
void
|
print_sys_errmsg (const char *string, int errcode)
|
print_sys_errmsg (const char *string, int errcode)
|
{
|
{
|
char *err;
|
char *err;
|
char *combined;
|
char *combined;
|
|
|
err = safe_strerror (errcode);
|
err = safe_strerror (errcode);
|
combined = (char *) alloca (strlen (err) + strlen (string) + 3);
|
combined = (char *) alloca (strlen (err) + strlen (string) + 3);
|
strcpy (combined, string);
|
strcpy (combined, string);
|
strcat (combined, ": ");
|
strcat (combined, ": ");
|
strcat (combined, err);
|
strcat (combined, err);
|
|
|
/* We want anything which was printed on stdout to come out first, before
|
/* We want anything which was printed on stdout to come out first, before
|
this message. */
|
this message. */
|
gdb_flush (gdb_stdout);
|
gdb_flush (gdb_stdout);
|
fprintf_unfiltered (gdb_stderr, "%s.\n", combined);
|
fprintf_unfiltered (gdb_stderr, "%s.\n", combined);
|
}
|
}
|
|
|
/* Control C eventually causes this to be called, at a convenient time. */
|
/* Control C eventually causes this to be called, at a convenient time. */
|
|
|
void
|
void
|
quit (void)
|
quit (void)
|
{
|
{
|
#ifdef __MSDOS__
|
#ifdef __MSDOS__
|
/* No steenking SIGINT will ever be coming our way when the
|
/* No steenking SIGINT will ever be coming our way when the
|
program is resumed. Don't lie. */
|
program is resumed. Don't lie. */
|
fatal ("Quit");
|
fatal ("Quit");
|
#else
|
#else
|
if (job_control
|
if (job_control
|
/* If there is no terminal switching for this target, then we can't
|
/* If there is no terminal switching for this target, then we can't
|
possibly get screwed by the lack of job control. */
|
possibly get screwed by the lack of job control. */
|
|| current_target.to_terminal_ours == NULL)
|
|| current_target.to_terminal_ours == NULL)
|
fatal ("Quit");
|
fatal ("Quit");
|
else
|
else
|
fatal ("Quit (expect signal SIGINT when the program is resumed)");
|
fatal ("Quit (expect signal SIGINT when the program is resumed)");
|
#endif
|
#endif
|
}
|
}
|
|
|
|
|
/* Called when a memory allocation fails, with the number of bytes of
|
/* Called when a memory allocation fails, with the number of bytes of
|
memory requested in SIZE. */
|
memory requested in SIZE. */
|
|
|
NORETURN void
|
NORETURN void
|
nomem (long size)
|
nomem (long size)
|
{
|
{
|
if (size > 0)
|
if (size > 0)
|
{
|
{
|
internal_error (__FILE__, __LINE__,
|
internal_error (__FILE__, __LINE__,
|
_("virtual memory exhausted: can't allocate %ld bytes."),
|
_("virtual memory exhausted: can't allocate %ld bytes."),
|
size);
|
size);
|
}
|
}
|
else
|
else
|
{
|
{
|
internal_error (__FILE__, __LINE__, _("virtual memory exhausted."));
|
internal_error (__FILE__, __LINE__, _("virtual memory exhausted."));
|
}
|
}
|
}
|
}
|
|
|
/* The xmalloc() (libiberty.h) family of memory management routines.
|
/* The xmalloc() (libiberty.h) family of memory management routines.
|
|
|
These are like the ISO-C malloc() family except that they implement
|
These are like the ISO-C malloc() family except that they implement
|
consistent semantics and guard against typical memory management
|
consistent semantics and guard against typical memory management
|
problems. */
|
problems. */
|
|
|
/* NOTE: These are declared using PTR to ensure consistency with
|
/* NOTE: These are declared using PTR to ensure consistency with
|
"libiberty.h". xfree() is GDB local. */
|
"libiberty.h". xfree() is GDB local. */
|
|
|
PTR /* OK: PTR */
|
PTR /* OK: PTR */
|
xmalloc (size_t size)
|
xmalloc (size_t size)
|
{
|
{
|
void *val;
|
void *val;
|
|
|
/* See libiberty/xmalloc.c. This function need's to match that's
|
/* See libiberty/xmalloc.c. This function need's to match that's
|
semantics. It never returns NULL. */
|
semantics. It never returns NULL. */
|
if (size == 0)
|
if (size == 0)
|
size = 1;
|
size = 1;
|
|
|
val = malloc (size); /* OK: malloc */
|
val = malloc (size); /* OK: malloc */
|
if (val == NULL)
|
if (val == NULL)
|
nomem (size);
|
nomem (size);
|
|
|
return (val);
|
return (val);
|
}
|
}
|
|
|
void *
|
void *
|
xzalloc (size_t size)
|
xzalloc (size_t size)
|
{
|
{
|
return xcalloc (1, size);
|
return xcalloc (1, size);
|
}
|
}
|
|
|
PTR /* OK: PTR */
|
PTR /* OK: PTR */
|
xrealloc (PTR ptr, size_t size) /* OK: PTR */
|
xrealloc (PTR ptr, size_t size) /* OK: PTR */
|
{
|
{
|
void *val;
|
void *val;
|
|
|
/* See libiberty/xmalloc.c. This function need's to match that's
|
/* See libiberty/xmalloc.c. This function need's to match that's
|
semantics. It never returns NULL. */
|
semantics. It never returns NULL. */
|
if (size == 0)
|
if (size == 0)
|
size = 1;
|
size = 1;
|
|
|
if (ptr != NULL)
|
if (ptr != NULL)
|
val = realloc (ptr, size); /* OK: realloc */
|
val = realloc (ptr, size); /* OK: realloc */
|
else
|
else
|
val = malloc (size); /* OK: malloc */
|
val = malloc (size); /* OK: malloc */
|
if (val == NULL)
|
if (val == NULL)
|
nomem (size);
|
nomem (size);
|
|
|
return (val);
|
return (val);
|
}
|
}
|
|
|
PTR /* OK: PTR */
|
PTR /* OK: PTR */
|
xcalloc (size_t number, size_t size)
|
xcalloc (size_t number, size_t size)
|
{
|
{
|
void *mem;
|
void *mem;
|
|
|
/* See libiberty/xmalloc.c. This function need's to match that's
|
/* See libiberty/xmalloc.c. This function need's to match that's
|
semantics. It never returns NULL. */
|
semantics. It never returns NULL. */
|
if (number == 0 || size == 0)
|
if (number == 0 || size == 0)
|
{
|
{
|
number = 1;
|
number = 1;
|
size = 1;
|
size = 1;
|
}
|
}
|
|
|
mem = calloc (number, size); /* OK: xcalloc */
|
mem = calloc (number, size); /* OK: xcalloc */
|
if (mem == NULL)
|
if (mem == NULL)
|
nomem (number * size);
|
nomem (number * size);
|
|
|
return mem;
|
return mem;
|
}
|
}
|
|
|
void
|
void
|
xfree (void *ptr)
|
xfree (void *ptr)
|
{
|
{
|
if (ptr != NULL)
|
if (ptr != NULL)
|
free (ptr); /* OK: free */
|
free (ptr); /* OK: free */
|
}
|
}
|
|
|
|
|
/* Like asprintf/vasprintf but get an internal_error if the call
|
/* Like asprintf/vasprintf but get an internal_error if the call
|
fails. */
|
fails. */
|
|
|
char *
|
char *
|
xstrprintf (const char *format, ...)
|
xstrprintf (const char *format, ...)
|
{
|
{
|
char *ret;
|
char *ret;
|
va_list args;
|
va_list args;
|
va_start (args, format);
|
va_start (args, format);
|
ret = xstrvprintf (format, args);
|
ret = xstrvprintf (format, args);
|
va_end (args);
|
va_end (args);
|
return ret;
|
return ret;
|
}
|
}
|
|
|
void
|
void
|
xasprintf (char **ret, const char *format, ...)
|
xasprintf (char **ret, const char *format, ...)
|
{
|
{
|
va_list args;
|
va_list args;
|
va_start (args, format);
|
va_start (args, format);
|
(*ret) = xstrvprintf (format, args);
|
(*ret) = xstrvprintf (format, args);
|
va_end (args);
|
va_end (args);
|
}
|
}
|
|
|
void
|
void
|
xvasprintf (char **ret, const char *format, va_list ap)
|
xvasprintf (char **ret, const char *format, va_list ap)
|
{
|
{
|
(*ret) = xstrvprintf (format, ap);
|
(*ret) = xstrvprintf (format, ap);
|
}
|
}
|
|
|
char *
|
char *
|
xstrvprintf (const char *format, va_list ap)
|
xstrvprintf (const char *format, va_list ap)
|
{
|
{
|
char *ret = NULL;
|
char *ret = NULL;
|
int status = vasprintf (&ret, format, ap);
|
int status = vasprintf (&ret, format, ap);
|
/* NULL is returned when there was a memory allocation problem, or
|
/* NULL is returned when there was a memory allocation problem, or
|
any other error (for instance, a bad format string). A negative
|
any other error (for instance, a bad format string). A negative
|
status (the printed length) with a non-NULL buffer should never
|
status (the printed length) with a non-NULL buffer should never
|
happen, but just to be sure. */
|
happen, but just to be sure. */
|
if (ret == NULL || status < 0)
|
if (ret == NULL || status < 0)
|
internal_error (__FILE__, __LINE__, _("vasprintf call failed"));
|
internal_error (__FILE__, __LINE__, _("vasprintf call failed"));
|
return ret;
|
return ret;
|
}
|
}
|
|
|
int
|
int
|
xsnprintf (char *str, size_t size, const char *format, ...)
|
xsnprintf (char *str, size_t size, const char *format, ...)
|
{
|
{
|
va_list args;
|
va_list args;
|
int ret;
|
int ret;
|
|
|
va_start (args, format);
|
va_start (args, format);
|
ret = vsnprintf (str, size, format, args);
|
ret = vsnprintf (str, size, format, args);
|
gdb_assert (ret < size);
|
gdb_assert (ret < size);
|
va_end (args);
|
va_end (args);
|
|
|
return ret;
|
return ret;
|
}
|
}
|
|
|
/* My replacement for the read system call.
|
/* My replacement for the read system call.
|
Used like `read' but keeps going if `read' returns too soon. */
|
Used like `read' but keeps going if `read' returns too soon. */
|
|
|
int
|
int
|
myread (int desc, char *addr, int len)
|
myread (int desc, char *addr, int len)
|
{
|
{
|
int val;
|
int val;
|
int orglen = len;
|
int orglen = len;
|
|
|
while (len > 0)
|
while (len > 0)
|
{
|
{
|
val = read (desc, addr, len);
|
val = read (desc, addr, len);
|
if (val < 0)
|
if (val < 0)
|
return val;
|
return val;
|
if (val == 0)
|
if (val == 0)
|
return orglen - len;
|
return orglen - len;
|
len -= val;
|
len -= val;
|
addr += val;
|
addr += val;
|
}
|
}
|
return orglen;
|
return orglen;
|
}
|
}
|
|
|
/* Make a copy of the string at PTR with SIZE characters
|
/* Make a copy of the string at PTR with SIZE characters
|
(and add a null character at the end in the copy).
|
(and add a null character at the end in the copy).
|
Uses malloc to get the space. Returns the address of the copy. */
|
Uses malloc to get the space. Returns the address of the copy. */
|
|
|
char *
|
char *
|
savestring (const char *ptr, size_t size)
|
savestring (const char *ptr, size_t size)
|
{
|
{
|
char *p = (char *) xmalloc (size + 1);
|
char *p = (char *) xmalloc (size + 1);
|
memcpy (p, ptr, size);
|
memcpy (p, ptr, size);
|
p[size] = 0;
|
p[size] = 0;
|
return p;
|
return p;
|
}
|
}
|
|
|
void
|
void
|
print_spaces (int n, struct ui_file *file)
|
print_spaces (int n, struct ui_file *file)
|
{
|
{
|
fputs_unfiltered (n_spaces (n), file);
|
fputs_unfiltered (n_spaces (n), file);
|
}
|
}
|
|
|
/* Print a host address. */
|
/* Print a host address. */
|
|
|
void
|
void
|
gdb_print_host_address (const void *addr, struct ui_file *stream)
|
gdb_print_host_address (const void *addr, struct ui_file *stream)
|
{
|
{
|
|
|
/* We could use the %p conversion specifier to fprintf if we had any
|
/* We could use the %p conversion specifier to fprintf if we had any
|
way of knowing whether this host supports it. But the following
|
way of knowing whether this host supports it. But the following
|
should work on the Alpha and on 32 bit machines. */
|
should work on the Alpha and on 32 bit machines. */
|
|
|
fprintf_filtered (stream, "0x%lx", (unsigned long) addr);
|
fprintf_filtered (stream, "0x%lx", (unsigned long) addr);
|
}
|
}
|
|
|
|
|
/* This function supports the query, nquery, and yquery functions.
|
/* This function supports the query, nquery, and yquery functions.
|
Ask user a y-or-n question and return 0 if answer is no, 1 if
|
Ask user a y-or-n question and return 0 if answer is no, 1 if
|
answer is yes, or default the answer to the specified default
|
answer is yes, or default the answer to the specified default
|
(for yquery or nquery). DEFCHAR may be 'y' or 'n' to provide a
|
(for yquery or nquery). DEFCHAR may be 'y' or 'n' to provide a
|
default answer, or '\0' for no default.
|
default answer, or '\0' for no default.
|
CTLSTR is the control string and should end in "? ". It should
|
CTLSTR is the control string and should end in "? ". It should
|
not say how to answer, because we do that.
|
not say how to answer, because we do that.
|
ARGS are the arguments passed along with the CTLSTR argument to
|
ARGS are the arguments passed along with the CTLSTR argument to
|
printf. */
|
printf. */
|
|
|
static int ATTR_FORMAT (printf, 1, 0)
|
static int ATTR_FORMAT (printf, 1, 0)
|
defaulted_query (const char *ctlstr, const char defchar, va_list args)
|
defaulted_query (const char *ctlstr, const char defchar, va_list args)
|
{
|
{
|
int answer;
|
int answer;
|
int ans2;
|
int ans2;
|
int retval;
|
int retval;
|
int def_value;
|
int def_value;
|
char def_answer, not_def_answer;
|
char def_answer, not_def_answer;
|
char *y_string, *n_string, *question;
|
char *y_string, *n_string, *question;
|
|
|
/* Set up according to which answer is the default. */
|
/* Set up according to which answer is the default. */
|
if (defchar == '\0')
|
if (defchar == '\0')
|
{
|
{
|
def_value = 1;
|
def_value = 1;
|
def_answer = 'Y';
|
def_answer = 'Y';
|
not_def_answer = 'N';
|
not_def_answer = 'N';
|
y_string = "y";
|
y_string = "y";
|
n_string = "n";
|
n_string = "n";
|
}
|
}
|
else if (defchar == 'y')
|
else if (defchar == 'y')
|
{
|
{
|
def_value = 1;
|
def_value = 1;
|
def_answer = 'Y';
|
def_answer = 'Y';
|
not_def_answer = 'N';
|
not_def_answer = 'N';
|
y_string = "[y]";
|
y_string = "[y]";
|
n_string = "n";
|
n_string = "n";
|
}
|
}
|
else
|
else
|
{
|
{
|
def_value = 0;
|
def_value = 0;
|
def_answer = 'N';
|
def_answer = 'N';
|
not_def_answer = 'Y';
|
not_def_answer = 'Y';
|
y_string = "y";
|
y_string = "y";
|
n_string = "[n]";
|
n_string = "[n]";
|
}
|
}
|
|
|
/* Automatically answer the default value if the user did not want
|
/* Automatically answer the default value if the user did not want
|
prompts. */
|
prompts. */
|
if (! caution)
|
if (! caution)
|
return def_value;
|
return def_value;
|
|
|
/* If input isn't coming from the user directly, just say what
|
/* If input isn't coming from the user directly, just say what
|
question we're asking, and then answer "yes" automatically. This
|
question we're asking, and then answer "yes" automatically. This
|
way, important error messages don't get lost when talking to GDB
|
way, important error messages don't get lost when talking to GDB
|
over a pipe. */
|
over a pipe. */
|
if (! input_from_terminal_p ())
|
if (! input_from_terminal_p ())
|
{
|
{
|
wrap_here ("");
|
wrap_here ("");
|
vfprintf_filtered (gdb_stdout, ctlstr, args);
|
vfprintf_filtered (gdb_stdout, ctlstr, args);
|
|
|
printf_filtered (_("(%s or %s) [answered %c; input not from terminal]\n"),
|
printf_filtered (_("(%s or %s) [answered %c; input not from terminal]\n"),
|
y_string, n_string, def_answer);
|
y_string, n_string, def_answer);
|
gdb_flush (gdb_stdout);
|
gdb_flush (gdb_stdout);
|
|
|
return def_value;
|
return def_value;
|
}
|
}
|
|
|
/* Automatically answer the default value if input is not from the user
|
/* Automatically answer the default value if input is not from the user
|
directly, or if the user did not want prompts. */
|
directly, or if the user did not want prompts. */
|
if (!input_from_terminal_p () || !caution)
|
if (!input_from_terminal_p () || !caution)
|
return def_value;
|
return def_value;
|
|
|
if (deprecated_query_hook)
|
if (deprecated_query_hook)
|
{
|
{
|
return deprecated_query_hook (ctlstr, args);
|
return deprecated_query_hook (ctlstr, args);
|
}
|
}
|
|
|
/* Format the question outside of the loop, to avoid reusing args. */
|
/* Format the question outside of the loop, to avoid reusing args. */
|
question = xstrvprintf (ctlstr, args);
|
question = xstrvprintf (ctlstr, args);
|
|
|
while (1)
|
while (1)
|
{
|
{
|
wrap_here (""); /* Flush any buffered output */
|
wrap_here (""); /* Flush any buffered output */
|
gdb_flush (gdb_stdout);
|
gdb_flush (gdb_stdout);
|
|
|
if (annotation_level > 1)
|
if (annotation_level > 1)
|
printf_filtered (("\n\032\032pre-query\n"));
|
printf_filtered (("\n\032\032pre-query\n"));
|
|
|
fputs_filtered (question, gdb_stdout);
|
fputs_filtered (question, gdb_stdout);
|
printf_filtered (_("(%s or %s) "), y_string, n_string);
|
printf_filtered (_("(%s or %s) "), y_string, n_string);
|
|
|
if (annotation_level > 1)
|
if (annotation_level > 1)
|
printf_filtered (("\n\032\032query\n"));
|
printf_filtered (("\n\032\032query\n"));
|
|
|
wrap_here ("");
|
wrap_here ("");
|
gdb_flush (gdb_stdout);
|
gdb_flush (gdb_stdout);
|
|
|
answer = fgetc (stdin);
|
answer = fgetc (stdin);
|
clearerr (stdin); /* in case of C-d */
|
clearerr (stdin); /* in case of C-d */
|
if (answer == EOF) /* C-d */
|
if (answer == EOF) /* C-d */
|
{
|
{
|
printf_filtered ("EOF [assumed %c]\n", def_answer);
|
printf_filtered ("EOF [assumed %c]\n", def_answer);
|
retval = def_value;
|
retval = def_value;
|
break;
|
break;
|
}
|
}
|
/* Eat rest of input line, to EOF or newline */
|
/* Eat rest of input line, to EOF or newline */
|
if (answer != '\n')
|
if (answer != '\n')
|
do
|
do
|
{
|
{
|
ans2 = fgetc (stdin);
|
ans2 = fgetc (stdin);
|
clearerr (stdin);
|
clearerr (stdin);
|
}
|
}
|
while (ans2 != EOF && ans2 != '\n' && ans2 != '\r');
|
while (ans2 != EOF && ans2 != '\n' && ans2 != '\r');
|
|
|
if (answer >= 'a')
|
if (answer >= 'a')
|
answer -= 040;
|
answer -= 040;
|
/* Check answer. For the non-default, the user must specify
|
/* Check answer. For the non-default, the user must specify
|
the non-default explicitly. */
|
the non-default explicitly. */
|
if (answer == not_def_answer)
|
if (answer == not_def_answer)
|
{
|
{
|
retval = !def_value;
|
retval = !def_value;
|
break;
|
break;
|
}
|
}
|
/* Otherwise, if a default was specified, the user may either
|
/* Otherwise, if a default was specified, the user may either
|
specify the required input or have it default by entering
|
specify the required input or have it default by entering
|
nothing. */
|
nothing. */
|
if (answer == def_answer
|
if (answer == def_answer
|
|| (defchar != '\0' &&
|
|| (defchar != '\0' &&
|
(answer == '\n' || answer == '\r' || answer == EOF)))
|
(answer == '\n' || answer == '\r' || answer == EOF)))
|
{
|
{
|
retval = def_value;
|
retval = def_value;
|
break;
|
break;
|
}
|
}
|
/* Invalid entries are not defaulted and require another selection. */
|
/* Invalid entries are not defaulted and require another selection. */
|
printf_filtered (_("Please answer %s or %s.\n"),
|
printf_filtered (_("Please answer %s or %s.\n"),
|
y_string, n_string);
|
y_string, n_string);
|
}
|
}
|
|
|
xfree (question);
|
xfree (question);
|
if (annotation_level > 1)
|
if (annotation_level > 1)
|
printf_filtered (("\n\032\032post-query\n"));
|
printf_filtered (("\n\032\032post-query\n"));
|
return retval;
|
return retval;
|
}
|
}
|
|
|
|
|
/* Ask user a y-or-n question and return 0 if answer is no, 1 if
|
/* Ask user a y-or-n question and return 0 if answer is no, 1 if
|
answer is yes, or 0 if answer is defaulted.
|
answer is yes, or 0 if answer is defaulted.
|
Takes three args which are given to printf to print the question.
|
Takes three args which are given to printf to print the question.
|
The first, a control string, should end in "? ".
|
The first, a control string, should end in "? ".
|
It should not say how to answer, because we do that. */
|
It should not say how to answer, because we do that. */
|
|
|
int
|
int
|
nquery (const char *ctlstr, ...)
|
nquery (const char *ctlstr, ...)
|
{
|
{
|
va_list args;
|
va_list args;
|
|
|
va_start (args, ctlstr);
|
va_start (args, ctlstr);
|
return defaulted_query (ctlstr, 'n', args);
|
return defaulted_query (ctlstr, 'n', args);
|
va_end (args);
|
va_end (args);
|
}
|
}
|
|
|
/* Ask user a y-or-n question and return 0 if answer is no, 1 if
|
/* Ask user a y-or-n question and return 0 if answer is no, 1 if
|
answer is yes, or 1 if answer is defaulted.
|
answer is yes, or 1 if answer is defaulted.
|
Takes three args which are given to printf to print the question.
|
Takes three args which are given to printf to print the question.
|
The first, a control string, should end in "? ".
|
The first, a control string, should end in "? ".
|
It should not say how to answer, because we do that. */
|
It should not say how to answer, because we do that. */
|
|
|
int
|
int
|
yquery (const char *ctlstr, ...)
|
yquery (const char *ctlstr, ...)
|
{
|
{
|
va_list args;
|
va_list args;
|
|
|
va_start (args, ctlstr);
|
va_start (args, ctlstr);
|
return defaulted_query (ctlstr, 'y', args);
|
return defaulted_query (ctlstr, 'y', args);
|
va_end (args);
|
va_end (args);
|
}
|
}
|
|
|
/* Ask user a y-or-n question and return 1 iff answer is yes.
|
/* Ask user a y-or-n question and return 1 iff answer is yes.
|
Takes three args which are given to printf to print the question.
|
Takes three args which are given to printf to print the question.
|
The first, a control string, should end in "? ".
|
The first, a control string, should end in "? ".
|
It should not say how to answer, because we do that. */
|
It should not say how to answer, because we do that. */
|
|
|
int
|
int
|
query (const char *ctlstr, ...)
|
query (const char *ctlstr, ...)
|
{
|
{
|
va_list args;
|
va_list args;
|
|
|
va_start (args, ctlstr);
|
va_start (args, ctlstr);
|
return defaulted_query (ctlstr, '\0', args);
|
return defaulted_query (ctlstr, '\0', args);
|
va_end (args);
|
va_end (args);
|
}
|
}
|
|
|
/* Print an error message saying that we couldn't make sense of a
|
/* Print an error message saying that we couldn't make sense of a
|
\^mumble sequence in a string or character constant. START and END
|
\^mumble sequence in a string or character constant. START and END
|
indicate a substring of some larger string that contains the
|
indicate a substring of some larger string that contains the
|
erroneous backslash sequence, missing the initial backslash. */
|
erroneous backslash sequence, missing the initial backslash. */
|
static NORETURN int
|
static NORETURN int
|
no_control_char_error (const char *start, const char *end)
|
no_control_char_error (const char *start, const char *end)
|
{
|
{
|
int len = end - start;
|
int len = end - start;
|
char *copy = alloca (end - start + 1);
|
char *copy = alloca (end - start + 1);
|
|
|
memcpy (copy, start, len);
|
memcpy (copy, start, len);
|
copy[len] = '\0';
|
copy[len] = '\0';
|
|
|
error (_("There is no control character `\\%s' in the `%s' character set."),
|
error (_("There is no control character `\\%s' in the `%s' character set."),
|
copy, target_charset ());
|
copy, target_charset ());
|
}
|
}
|
|
|
/* Parse a C escape sequence. STRING_PTR points to a variable
|
/* Parse a C escape sequence. STRING_PTR points to a variable
|
containing a pointer to the string to parse. That pointer
|
containing a pointer to the string to parse. That pointer
|
should point to the character after the \. That pointer
|
should point to the character after the \. That pointer
|
is updated past the characters we use. The value of the
|
is updated past the characters we use. The value of the
|
escape sequence is returned.
|
escape sequence is returned.
|
|
|
A negative value means the sequence \ newline was seen,
|
A negative value means the sequence \ newline was seen,
|
which is supposed to be equivalent to nothing at all.
|
which is supposed to be equivalent to nothing at all.
|
|
|
If \ is followed by a null character, we return a negative
|
If \ is followed by a null character, we return a negative
|
value and leave the string pointer pointing at the null character.
|
value and leave the string pointer pointing at the null character.
|
|
|
If \ is followed by 000, we return 0 and leave the string pointer
|
If \ is followed by 000, we return 0 and leave the string pointer
|
after the zeros. A value of 0 does not mean end of string. */
|
after the zeros. A value of 0 does not mean end of string. */
|
|
|
int
|
int
|
parse_escape (char **string_ptr)
|
parse_escape (char **string_ptr)
|
{
|
{
|
int target_char;
|
int target_char;
|
int c = *(*string_ptr)++;
|
int c = *(*string_ptr)++;
|
if (c_parse_backslash (c, &target_char))
|
if (c_parse_backslash (c, &target_char))
|
return target_char;
|
return target_char;
|
else
|
else
|
switch (c)
|
switch (c)
|
{
|
{
|
case '\n':
|
case '\n':
|
return -2;
|
return -2;
|
case 0:
|
case 0:
|
(*string_ptr)--;
|
(*string_ptr)--;
|
return 0;
|
return 0;
|
case '^':
|
case '^':
|
{
|
{
|
/* Remember where this escape sequence started, for reporting
|
/* Remember where this escape sequence started, for reporting
|
errors. */
|
errors. */
|
char *sequence_start_pos = *string_ptr - 1;
|
char *sequence_start_pos = *string_ptr - 1;
|
|
|
c = *(*string_ptr)++;
|
c = *(*string_ptr)++;
|
|
|
if (c == '?')
|
if (c == '?')
|
{
|
{
|
/* XXXCHARSET: What is `delete' in the host character set? */
|
/* XXXCHARSET: What is `delete' in the host character set? */
|
c = 0177;
|
c = 0177;
|
|
|
if (!host_char_to_target (c, &target_char))
|
if (!host_char_to_target (c, &target_char))
|
error (_("There is no character corresponding to `Delete' "
|
error (_("There is no character corresponding to `Delete' "
|
"in the target character set `%s'."), host_charset ());
|
"in the target character set `%s'."), host_charset ());
|
|
|
return target_char;
|
return target_char;
|
}
|
}
|
else if (c == '\\')
|
else if (c == '\\')
|
target_char = parse_escape (string_ptr);
|
target_char = parse_escape (string_ptr);
|
else
|
else
|
{
|
{
|
if (!host_char_to_target (c, &target_char))
|
if (!host_char_to_target (c, &target_char))
|
no_control_char_error (sequence_start_pos, *string_ptr);
|
no_control_char_error (sequence_start_pos, *string_ptr);
|
}
|
}
|
|
|
/* Now target_char is something like `c', and we want to find
|
/* Now target_char is something like `c', and we want to find
|
its control-character equivalent. */
|
its control-character equivalent. */
|
if (!target_char_to_control_char (target_char, &target_char))
|
if (!target_char_to_control_char (target_char, &target_char))
|
no_control_char_error (sequence_start_pos, *string_ptr);
|
no_control_char_error (sequence_start_pos, *string_ptr);
|
|
|
return target_char;
|
return target_char;
|
}
|
}
|
|
|
/* XXXCHARSET: we need to use isdigit and value-of-digit
|
/* XXXCHARSET: we need to use isdigit and value-of-digit
|
methods of the host character set here. */
|
methods of the host character set here. */
|
|
|
case '0':
|
case '0':
|
case '1':
|
case '1':
|
case '2':
|
case '2':
|
case '3':
|
case '3':
|
case '4':
|
case '4':
|
case '5':
|
case '5':
|
case '6':
|
case '6':
|
case '7':
|
case '7':
|
{
|
{
|
int i = c - '0';
|
int i = c - '0';
|
int count = 0;
|
int count = 0;
|
while (++count < 3)
|
while (++count < 3)
|
{
|
{
|
c = (**string_ptr);
|
c = (**string_ptr);
|
if (c >= '0' && c <= '7')
|
if (c >= '0' && c <= '7')
|
{
|
{
|
(*string_ptr)++;
|
(*string_ptr)++;
|
i *= 8;
|
i *= 8;
|
i += c - '0';
|
i += c - '0';
|
}
|
}
|
else
|
else
|
{
|
{
|
break;
|
break;
|
}
|
}
|
}
|
}
|
return i;
|
return i;
|
}
|
}
|
default:
|
default:
|
if (!host_char_to_target (c, &target_char))
|
if (!host_char_to_target (c, &target_char))
|
error
|
error
|
("The escape sequence `\%c' is equivalent to plain `%c', which"
|
("The escape sequence `\%c' is equivalent to plain `%c', which"
|
" has no equivalent\n" "in the `%s' character set.", c, c,
|
" has no equivalent\n" "in the `%s' character set.", c, c,
|
target_charset ());
|
target_charset ());
|
return target_char;
|
return target_char;
|
}
|
}
|
}
|
}
|
|
|
/* Print the character C on STREAM as part of the contents of a literal
|
/* Print the character C on STREAM as part of the contents of a literal
|
string whose delimiter is QUOTER. Note that this routine should only
|
string whose delimiter is QUOTER. Note that this routine should only
|
be call for printing things which are independent of the language
|
be call for printing things which are independent of the language
|
of the program being debugged. */
|
of the program being debugged. */
|
|
|
static void
|
static void
|
printchar (int c, void (*do_fputs) (const char *, struct ui_file *),
|
printchar (int c, void (*do_fputs) (const char *, struct ui_file *),
|
void (*do_fprintf) (struct ui_file *, const char *, ...)
|
void (*do_fprintf) (struct ui_file *, const char *, ...)
|
ATTRIBUTE_FPTR_PRINTF_2, struct ui_file *stream, int quoter)
|
ATTRIBUTE_FPTR_PRINTF_2, struct ui_file *stream, int quoter)
|
{
|
{
|
|
|
c &= 0xFF; /* Avoid sign bit follies */
|
c &= 0xFF; /* Avoid sign bit follies */
|
|
|
if (c < 0x20 || /* Low control chars */
|
if (c < 0x20 || /* Low control chars */
|
(c >= 0x7F && c < 0xA0) || /* DEL, High controls */
|
(c >= 0x7F && c < 0xA0) || /* DEL, High controls */
|
(sevenbit_strings && c >= 0x80))
|
(sevenbit_strings && c >= 0x80))
|
{ /* high order bit set */
|
{ /* high order bit set */
|
switch (c)
|
switch (c)
|
{
|
{
|
case '\n':
|
case '\n':
|
do_fputs ("\\n", stream);
|
do_fputs ("\\n", stream);
|
break;
|
break;
|
case '\b':
|
case '\b':
|
do_fputs ("\\b", stream);
|
do_fputs ("\\b", stream);
|
break;
|
break;
|
case '\t':
|
case '\t':
|
do_fputs ("\\t", stream);
|
do_fputs ("\\t", stream);
|
break;
|
break;
|
case '\f':
|
case '\f':
|
do_fputs ("\\f", stream);
|
do_fputs ("\\f", stream);
|
break;
|
break;
|
case '\r':
|
case '\r':
|
do_fputs ("\\r", stream);
|
do_fputs ("\\r", stream);
|
break;
|
break;
|
case '\033':
|
case '\033':
|
do_fputs ("\\e", stream);
|
do_fputs ("\\e", stream);
|
break;
|
break;
|
case '\007':
|
case '\007':
|
do_fputs ("\\a", stream);
|
do_fputs ("\\a", stream);
|
break;
|
break;
|
default:
|
default:
|
do_fprintf (stream, "\\%.3o", (unsigned int) c);
|
do_fprintf (stream, "\\%.3o", (unsigned int) c);
|
break;
|
break;
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
if (c == '\\' || c == quoter)
|
if (c == '\\' || c == quoter)
|
do_fputs ("\\", stream);
|
do_fputs ("\\", stream);
|
do_fprintf (stream, "%c", c);
|
do_fprintf (stream, "%c", c);
|
}
|
}
|
}
|
}
|
|
|
/* Print the character C on STREAM as part of the contents of a
|
/* Print the character C on STREAM as part of the contents of a
|
literal string whose delimiter is QUOTER. Note that these routines
|
literal string whose delimiter is QUOTER. Note that these routines
|
should only be call for printing things which are independent of
|
should only be call for printing things which are independent of
|
the language of the program being debugged. */
|
the language of the program being debugged. */
|
|
|
void
|
void
|
fputstr_filtered (const char *str, int quoter, struct ui_file *stream)
|
fputstr_filtered (const char *str, int quoter, struct ui_file *stream)
|
{
|
{
|
while (*str)
|
while (*str)
|
printchar (*str++, fputs_filtered, fprintf_filtered, stream, quoter);
|
printchar (*str++, fputs_filtered, fprintf_filtered, stream, quoter);
|
}
|
}
|
|
|
void
|
void
|
fputstr_unfiltered (const char *str, int quoter, struct ui_file *stream)
|
fputstr_unfiltered (const char *str, int quoter, struct ui_file *stream)
|
{
|
{
|
while (*str)
|
while (*str)
|
printchar (*str++, fputs_unfiltered, fprintf_unfiltered, stream, quoter);
|
printchar (*str++, fputs_unfiltered, fprintf_unfiltered, stream, quoter);
|
}
|
}
|
|
|
void
|
void
|
fputstrn_filtered (const char *str, int n, int quoter,
|
fputstrn_filtered (const char *str, int n, int quoter,
|
struct ui_file *stream)
|
struct ui_file *stream)
|
{
|
{
|
int i;
|
int i;
|
for (i = 0; i < n; i++)
|
for (i = 0; i < n; i++)
|
printchar (str[i], fputs_filtered, fprintf_filtered, stream, quoter);
|
printchar (str[i], fputs_filtered, fprintf_filtered, stream, quoter);
|
}
|
}
|
|
|
void
|
void
|
fputstrn_unfiltered (const char *str, int n, int quoter,
|
fputstrn_unfiltered (const char *str, int n, int quoter,
|
struct ui_file *stream)
|
struct ui_file *stream)
|
{
|
{
|
int i;
|
int i;
|
for (i = 0; i < n; i++)
|
for (i = 0; i < n; i++)
|
printchar (str[i], fputs_unfiltered, fprintf_unfiltered, stream, quoter);
|
printchar (str[i], fputs_unfiltered, fprintf_unfiltered, stream, quoter);
|
}
|
}
|
|
|
|
|
/* Number of lines per page or UINT_MAX if paging is disabled. */
|
/* Number of lines per page or UINT_MAX if paging is disabled. */
|
static unsigned int lines_per_page;
|
static unsigned int lines_per_page;
|
static void
|
static void
|
show_lines_per_page (struct ui_file *file, int from_tty,
|
show_lines_per_page (struct ui_file *file, int from_tty,
|
struct cmd_list_element *c, const char *value)
|
struct cmd_list_element *c, const char *value)
|
{
|
{
|
fprintf_filtered (file, _("\
|
fprintf_filtered (file, _("\
|
Number of lines gdb thinks are in a page is %s.\n"),
|
Number of lines gdb thinks are in a page is %s.\n"),
|
value);
|
value);
|
}
|
}
|
|
|
/* Number of chars per line or UINT_MAX if line folding is disabled. */
|
/* Number of chars per line or UINT_MAX if line folding is disabled. */
|
static unsigned int chars_per_line;
|
static unsigned int chars_per_line;
|
static void
|
static void
|
show_chars_per_line (struct ui_file *file, int from_tty,
|
show_chars_per_line (struct ui_file *file, int from_tty,
|
struct cmd_list_element *c, const char *value)
|
struct cmd_list_element *c, const char *value)
|
{
|
{
|
fprintf_filtered (file, _("\
|
fprintf_filtered (file, _("\
|
Number of characters gdb thinks are in a line is %s.\n"),
|
Number of characters gdb thinks are in a line is %s.\n"),
|
value);
|
value);
|
}
|
}
|
|
|
/* Current count of lines printed on this page, chars on this line. */
|
/* Current count of lines printed on this page, chars on this line. */
|
static unsigned int lines_printed, chars_printed;
|
static unsigned int lines_printed, chars_printed;
|
|
|
/* Buffer and start column of buffered text, for doing smarter word-
|
/* Buffer and start column of buffered text, for doing smarter word-
|
wrapping. When someone calls wrap_here(), we start buffering output
|
wrapping. When someone calls wrap_here(), we start buffering output
|
that comes through fputs_filtered(). If we see a newline, we just
|
that comes through fputs_filtered(). If we see a newline, we just
|
spit it out and forget about the wrap_here(). If we see another
|
spit it out and forget about the wrap_here(). If we see another
|
wrap_here(), we spit it out and remember the newer one. If we see
|
wrap_here(), we spit it out and remember the newer one. If we see
|
the end of the line, we spit out a newline, the indent, and then
|
the end of the line, we spit out a newline, the indent, and then
|
the buffered output. */
|
the buffered output. */
|
|
|
/* Malloc'd buffer with chars_per_line+2 bytes. Contains characters which
|
/* Malloc'd buffer with chars_per_line+2 bytes. Contains characters which
|
are waiting to be output (they have already been counted in chars_printed).
|
are waiting to be output (they have already been counted in chars_printed).
|
When wrap_buffer[0] is null, the buffer is empty. */
|
When wrap_buffer[0] is null, the buffer is empty. */
|
static char *wrap_buffer;
|
static char *wrap_buffer;
|
|
|
/* Pointer in wrap_buffer to the next character to fill. */
|
/* Pointer in wrap_buffer to the next character to fill. */
|
static char *wrap_pointer;
|
static char *wrap_pointer;
|
|
|
/* String to indent by if the wrap occurs. Must not be NULL if wrap_column
|
/* String to indent by if the wrap occurs. Must not be NULL if wrap_column
|
is non-zero. */
|
is non-zero. */
|
static char *wrap_indent;
|
static char *wrap_indent;
|
|
|
/* Column number on the screen where wrap_buffer begins, or 0 if wrapping
|
/* Column number on the screen where wrap_buffer begins, or 0 if wrapping
|
is not in effect. */
|
is not in effect. */
|
static int wrap_column;
|
static int wrap_column;
|
|
|
|
|
/* Inialize the number of lines per page and chars per line. */
|
/* Inialize the number of lines per page and chars per line. */
|
|
|
void
|
void
|
init_page_info (void)
|
init_page_info (void)
|
{
|
{
|
#if defined(TUI)
|
#if defined(TUI)
|
if (!tui_get_command_dimension (&chars_per_line, &lines_per_page))
|
if (!tui_get_command_dimension (&chars_per_line, &lines_per_page))
|
#endif
|
#endif
|
{
|
{
|
int rows, cols;
|
int rows, cols;
|
|
|
#if defined(__GO32__)
|
#if defined(__GO32__)
|
rows = ScreenRows ();
|
rows = ScreenRows ();
|
cols = ScreenCols ();
|
cols = ScreenCols ();
|
lines_per_page = rows;
|
lines_per_page = rows;
|
chars_per_line = cols;
|
chars_per_line = cols;
|
#else
|
#else
|
/* Make sure Readline has initialized its terminal settings. */
|
/* Make sure Readline has initialized its terminal settings. */
|
rl_reset_terminal (NULL);
|
rl_reset_terminal (NULL);
|
|
|
/* Get the screen size from Readline. */
|
/* Get the screen size from Readline. */
|
rl_get_screen_size (&rows, &cols);
|
rl_get_screen_size (&rows, &cols);
|
lines_per_page = rows;
|
lines_per_page = rows;
|
chars_per_line = cols;
|
chars_per_line = cols;
|
|
|
/* Readline should have fetched the termcap entry for us. */
|
/* Readline should have fetched the termcap entry for us. */
|
if (tgetnum ("li") < 0 || getenv ("EMACS"))
|
if (tgetnum ("li") < 0 || getenv ("EMACS"))
|
{
|
{
|
/* The number of lines per page is not mentioned in the
|
/* The number of lines per page is not mentioned in the
|
terminal description. This probably means that paging is
|
terminal description. This probably means that paging is
|
not useful (e.g. emacs shell window), so disable paging. */
|
not useful (e.g. emacs shell window), so disable paging. */
|
lines_per_page = UINT_MAX;
|
lines_per_page = UINT_MAX;
|
}
|
}
|
|
|
/* FIXME: Get rid of this junk. */
|
/* FIXME: Get rid of this junk. */
|
#if defined(SIGWINCH) && defined(SIGWINCH_HANDLER)
|
#if defined(SIGWINCH) && defined(SIGWINCH_HANDLER)
|
SIGWINCH_HANDLER (SIGWINCH);
|
SIGWINCH_HANDLER (SIGWINCH);
|
#endif
|
#endif
|
|
|
/* If the output is not a terminal, don't paginate it. */
|
/* If the output is not a terminal, don't paginate it. */
|
if (!ui_file_isatty (gdb_stdout))
|
if (!ui_file_isatty (gdb_stdout))
|
lines_per_page = UINT_MAX;
|
lines_per_page = UINT_MAX;
|
#endif
|
#endif
|
}
|
}
|
|
|
set_screen_size ();
|
set_screen_size ();
|
set_width ();
|
set_width ();
|
}
|
}
|
|
|
/* Set the screen size based on LINES_PER_PAGE and CHARS_PER_LINE. */
|
/* Set the screen size based on LINES_PER_PAGE and CHARS_PER_LINE. */
|
|
|
static void
|
static void
|
set_screen_size (void)
|
set_screen_size (void)
|
{
|
{
|
int rows = lines_per_page;
|
int rows = lines_per_page;
|
int cols = chars_per_line;
|
int cols = chars_per_line;
|
|
|
if (rows <= 0)
|
if (rows <= 0)
|
rows = INT_MAX;
|
rows = INT_MAX;
|
|
|
if (cols <= 0)
|
if (cols <= 0)
|
cols = INT_MAX;
|
cols = INT_MAX;
|
|
|
/* Update Readline's idea of the terminal size. */
|
/* Update Readline's idea of the terminal size. */
|
rl_set_screen_size (rows, cols);
|
rl_set_screen_size (rows, cols);
|
}
|
}
|
|
|
/* Reinitialize WRAP_BUFFER according to the current value of
|
/* Reinitialize WRAP_BUFFER according to the current value of
|
CHARS_PER_LINE. */
|
CHARS_PER_LINE. */
|
|
|
static void
|
static void
|
set_width (void)
|
set_width (void)
|
{
|
{
|
if (chars_per_line == 0)
|
if (chars_per_line == 0)
|
init_page_info ();
|
init_page_info ();
|
|
|
if (!wrap_buffer)
|
if (!wrap_buffer)
|
{
|
{
|
wrap_buffer = (char *) xmalloc (chars_per_line + 2);
|
wrap_buffer = (char *) xmalloc (chars_per_line + 2);
|
wrap_buffer[0] = '\0';
|
wrap_buffer[0] = '\0';
|
}
|
}
|
else
|
else
|
wrap_buffer = (char *) xrealloc (wrap_buffer, chars_per_line + 2);
|
wrap_buffer = (char *) xrealloc (wrap_buffer, chars_per_line + 2);
|
wrap_pointer = wrap_buffer; /* Start it at the beginning. */
|
wrap_pointer = wrap_buffer; /* Start it at the beginning. */
|
}
|
}
|
|
|
static void
|
static void
|
set_width_command (char *args, int from_tty, struct cmd_list_element *c)
|
set_width_command (char *args, int from_tty, struct cmd_list_element *c)
|
{
|
{
|
set_screen_size ();
|
set_screen_size ();
|
set_width ();
|
set_width ();
|
}
|
}
|
|
|
static void
|
static void
|
set_height_command (char *args, int from_tty, struct cmd_list_element *c)
|
set_height_command (char *args, int from_tty, struct cmd_list_element *c)
|
{
|
{
|
set_screen_size ();
|
set_screen_size ();
|
}
|
}
|
|
|
/* Wait, so the user can read what's on the screen. Prompt the user
|
/* Wait, so the user can read what's on the screen. Prompt the user
|
to continue by pressing RETURN. */
|
to continue by pressing RETURN. */
|
|
|
static void
|
static void
|
prompt_for_continue (void)
|
prompt_for_continue (void)
|
{
|
{
|
char *ignore;
|
char *ignore;
|
char cont_prompt[120];
|
char cont_prompt[120];
|
|
|
if (annotation_level > 1)
|
if (annotation_level > 1)
|
printf_unfiltered (("\n\032\032pre-prompt-for-continue\n"));
|
printf_unfiltered (("\n\032\032pre-prompt-for-continue\n"));
|
|
|
strcpy (cont_prompt,
|
strcpy (cont_prompt,
|
"---Type <return> to continue, or q <return> to quit---");
|
"---Type <return> to continue, or q <return> to quit---");
|
if (annotation_level > 1)
|
if (annotation_level > 1)
|
strcat (cont_prompt, "\n\032\032prompt-for-continue\n");
|
strcat (cont_prompt, "\n\032\032prompt-for-continue\n");
|
|
|
/* We must do this *before* we call gdb_readline, else it will eventually
|
/* We must do this *before* we call gdb_readline, else it will eventually
|
call us -- thinking that we're trying to print beyond the end of the
|
call us -- thinking that we're trying to print beyond the end of the
|
screen. */
|
screen. */
|
reinitialize_more_filter ();
|
reinitialize_more_filter ();
|
|
|
immediate_quit++;
|
immediate_quit++;
|
/* On a real operating system, the user can quit with SIGINT.
|
/* On a real operating system, the user can quit with SIGINT.
|
But not on GO32.
|
But not on GO32.
|
|
|
'q' is provided on all systems so users don't have to change habits
|
'q' is provided on all systems so users don't have to change habits
|
from system to system, and because telling them what to do in
|
from system to system, and because telling them what to do in
|
the prompt is more user-friendly than expecting them to think of
|
the prompt is more user-friendly than expecting them to think of
|
SIGINT. */
|
SIGINT. */
|
/* Call readline, not gdb_readline, because GO32 readline handles control-C
|
/* Call readline, not gdb_readline, because GO32 readline handles control-C
|
whereas control-C to gdb_readline will cause the user to get dumped
|
whereas control-C to gdb_readline will cause the user to get dumped
|
out to DOS. */
|
out to DOS. */
|
ignore = gdb_readline_wrapper (cont_prompt);
|
ignore = gdb_readline_wrapper (cont_prompt);
|
|
|
if (annotation_level > 1)
|
if (annotation_level > 1)
|
printf_unfiltered (("\n\032\032post-prompt-for-continue\n"));
|
printf_unfiltered (("\n\032\032post-prompt-for-continue\n"));
|
|
|
if (ignore)
|
if (ignore)
|
{
|
{
|
char *p = ignore;
|
char *p = ignore;
|
while (*p == ' ' || *p == '\t')
|
while (*p == ' ' || *p == '\t')
|
++p;
|
++p;
|
if (p[0] == 'q')
|
if (p[0] == 'q')
|
async_request_quit (0);
|
async_request_quit (0);
|
xfree (ignore);
|
xfree (ignore);
|
}
|
}
|
immediate_quit--;
|
immediate_quit--;
|
|
|
/* Now we have to do this again, so that GDB will know that it doesn't
|
/* Now we have to do this again, so that GDB will know that it doesn't
|
need to save the ---Type <return>--- line at the top of the screen. */
|
need to save the ---Type <return>--- line at the top of the screen. */
|
reinitialize_more_filter ();
|
reinitialize_more_filter ();
|
|
|
dont_repeat (); /* Forget prev cmd -- CR won't repeat it. */
|
dont_repeat (); /* Forget prev cmd -- CR won't repeat it. */
|
}
|
}
|
|
|
/* Reinitialize filter; ie. tell it to reset to original values. */
|
/* Reinitialize filter; ie. tell it to reset to original values. */
|
|
|
void
|
void
|
reinitialize_more_filter (void)
|
reinitialize_more_filter (void)
|
{
|
{
|
lines_printed = 0;
|
lines_printed = 0;
|
chars_printed = 0;
|
chars_printed = 0;
|
}
|
}
|
|
|
/* Indicate that if the next sequence of characters overflows the line,
|
/* Indicate that if the next sequence of characters overflows the line,
|
a newline should be inserted here rather than when it hits the end.
|
a newline should be inserted here rather than when it hits the end.
|
If INDENT is non-null, it is a string to be printed to indent the
|
If INDENT is non-null, it is a string to be printed to indent the
|
wrapped part on the next line. INDENT must remain accessible until
|
wrapped part on the next line. INDENT must remain accessible until
|
the next call to wrap_here() or until a newline is printed through
|
the next call to wrap_here() or until a newline is printed through
|
fputs_filtered().
|
fputs_filtered().
|
|
|
If the line is already overfull, we immediately print a newline and
|
If the line is already overfull, we immediately print a newline and
|
the indentation, and disable further wrapping.
|
the indentation, and disable further wrapping.
|
|
|
If we don't know the width of lines, but we know the page height,
|
If we don't know the width of lines, but we know the page height,
|
we must not wrap words, but should still keep track of newlines
|
we must not wrap words, but should still keep track of newlines
|
that were explicitly printed.
|
that were explicitly printed.
|
|
|
INDENT should not contain tabs, as that will mess up the char count
|
INDENT should not contain tabs, as that will mess up the char count
|
on the next line. FIXME.
|
on the next line. FIXME.
|
|
|
This routine is guaranteed to force out any output which has been
|
This routine is guaranteed to force out any output which has been
|
squirreled away in the wrap_buffer, so wrap_here ((char *)0) can be
|
squirreled away in the wrap_buffer, so wrap_here ((char *)0) can be
|
used to force out output from the wrap_buffer. */
|
used to force out output from the wrap_buffer. */
|
|
|
void
|
void
|
wrap_here (char *indent)
|
wrap_here (char *indent)
|
{
|
{
|
/* This should have been allocated, but be paranoid anyway. */
|
/* This should have been allocated, but be paranoid anyway. */
|
if (!wrap_buffer)
|
if (!wrap_buffer)
|
internal_error (__FILE__, __LINE__, _("failed internal consistency check"));
|
internal_error (__FILE__, __LINE__, _("failed internal consistency check"));
|
|
|
if (wrap_buffer[0])
|
if (wrap_buffer[0])
|
{
|
{
|
*wrap_pointer = '\0';
|
*wrap_pointer = '\0';
|
fputs_unfiltered (wrap_buffer, gdb_stdout);
|
fputs_unfiltered (wrap_buffer, gdb_stdout);
|
}
|
}
|
wrap_pointer = wrap_buffer;
|
wrap_pointer = wrap_buffer;
|
wrap_buffer[0] = '\0';
|
wrap_buffer[0] = '\0';
|
if (chars_per_line == UINT_MAX) /* No line overflow checking */
|
if (chars_per_line == UINT_MAX) /* No line overflow checking */
|
{
|
{
|
wrap_column = 0;
|
wrap_column = 0;
|
}
|
}
|
else if (chars_printed >= chars_per_line)
|
else if (chars_printed >= chars_per_line)
|
{
|
{
|
puts_filtered ("\n");
|
puts_filtered ("\n");
|
if (indent != NULL)
|
if (indent != NULL)
|
puts_filtered (indent);
|
puts_filtered (indent);
|
wrap_column = 0;
|
wrap_column = 0;
|
}
|
}
|
else
|
else
|
{
|
{
|
wrap_column = chars_printed;
|
wrap_column = chars_printed;
|
if (indent == NULL)
|
if (indent == NULL)
|
wrap_indent = "";
|
wrap_indent = "";
|
else
|
else
|
wrap_indent = indent;
|
wrap_indent = indent;
|
}
|
}
|
}
|
}
|
|
|
/* Print input string to gdb_stdout, filtered, with wrap,
|
/* Print input string to gdb_stdout, filtered, with wrap,
|
arranging strings in columns of n chars. String can be
|
arranging strings in columns of n chars. String can be
|
right or left justified in the column. Never prints
|
right or left justified in the column. Never prints
|
trailing spaces. String should never be longer than
|
trailing spaces. String should never be longer than
|
width. FIXME: this could be useful for the EXAMINE
|
width. FIXME: this could be useful for the EXAMINE
|
command, which currently doesn't tabulate very well */
|
command, which currently doesn't tabulate very well */
|
|
|
void
|
void
|
puts_filtered_tabular (char *string, int width, int right)
|
puts_filtered_tabular (char *string, int width, int right)
|
{
|
{
|
int spaces = 0;
|
int spaces = 0;
|
int stringlen;
|
int stringlen;
|
char *spacebuf;
|
char *spacebuf;
|
|
|
gdb_assert (chars_per_line > 0);
|
gdb_assert (chars_per_line > 0);
|
if (chars_per_line == UINT_MAX)
|
if (chars_per_line == UINT_MAX)
|
{
|
{
|
fputs_filtered (string, gdb_stdout);
|
fputs_filtered (string, gdb_stdout);
|
fputs_filtered ("\n", gdb_stdout);
|
fputs_filtered ("\n", gdb_stdout);
|
return;
|
return;
|
}
|
}
|
|
|
if (((chars_printed - 1) / width + 2) * width >= chars_per_line)
|
if (((chars_printed - 1) / width + 2) * width >= chars_per_line)
|
fputs_filtered ("\n", gdb_stdout);
|
fputs_filtered ("\n", gdb_stdout);
|
|
|
if (width >= chars_per_line)
|
if (width >= chars_per_line)
|
width = chars_per_line - 1;
|
width = chars_per_line - 1;
|
|
|
stringlen = strlen (string);
|
stringlen = strlen (string);
|
|
|
if (chars_printed > 0)
|
if (chars_printed > 0)
|
spaces = width - (chars_printed - 1) % width - 1;
|
spaces = width - (chars_printed - 1) % width - 1;
|
if (right)
|
if (right)
|
spaces += width - stringlen;
|
spaces += width - stringlen;
|
|
|
spacebuf = alloca (spaces + 1);
|
spacebuf = alloca (spaces + 1);
|
spacebuf[spaces] = '\0';
|
spacebuf[spaces] = '\0';
|
while (spaces--)
|
while (spaces--)
|
spacebuf[spaces] = ' ';
|
spacebuf[spaces] = ' ';
|
|
|
fputs_filtered (spacebuf, gdb_stdout);
|
fputs_filtered (spacebuf, gdb_stdout);
|
fputs_filtered (string, gdb_stdout);
|
fputs_filtered (string, gdb_stdout);
|
}
|
}
|
|
|
|
|
/* Ensure that whatever gets printed next, using the filtered output
|
/* Ensure that whatever gets printed next, using the filtered output
|
commands, starts at the beginning of the line. I.E. if there is
|
commands, starts at the beginning of the line. I.E. if there is
|
any pending output for the current line, flush it and start a new
|
any pending output for the current line, flush it and start a new
|
line. Otherwise do nothing. */
|
line. Otherwise do nothing. */
|
|
|
void
|
void
|
begin_line (void)
|
begin_line (void)
|
{
|
{
|
if (chars_printed > 0)
|
if (chars_printed > 0)
|
{
|
{
|
puts_filtered ("\n");
|
puts_filtered ("\n");
|
}
|
}
|
}
|
}
|
|
|
|
|
/* Like fputs but if FILTER is true, pause after every screenful.
|
/* Like fputs but if FILTER is true, pause after every screenful.
|
|
|
Regardless of FILTER can wrap at points other than the final
|
Regardless of FILTER can wrap at points other than the final
|
character of a line.
|
character of a line.
|
|
|
Unlike fputs, fputs_maybe_filtered does not return a value.
|
Unlike fputs, fputs_maybe_filtered does not return a value.
|
It is OK for LINEBUFFER to be NULL, in which case just don't print
|
It is OK for LINEBUFFER to be NULL, in which case just don't print
|
anything.
|
anything.
|
|
|
Note that a longjmp to top level may occur in this routine (only if
|
Note that a longjmp to top level may occur in this routine (only if
|
FILTER is true) (since prompt_for_continue may do so) so this
|
FILTER is true) (since prompt_for_continue may do so) so this
|
routine should not be called when cleanups are not in place. */
|
routine should not be called when cleanups are not in place. */
|
|
|
static void
|
static void
|
fputs_maybe_filtered (const char *linebuffer, struct ui_file *stream,
|
fputs_maybe_filtered (const char *linebuffer, struct ui_file *stream,
|
int filter)
|
int filter)
|
{
|
{
|
const char *lineptr;
|
const char *lineptr;
|
|
|
if (linebuffer == 0)
|
if (linebuffer == 0)
|
return;
|
return;
|
|
|
/* Don't do any filtering if it is disabled. */
|
/* Don't do any filtering if it is disabled. */
|
if ((stream != gdb_stdout) || !pagination_enabled
|
if ((stream != gdb_stdout) || !pagination_enabled
|
|| (lines_per_page == UINT_MAX && chars_per_line == UINT_MAX))
|
|| (lines_per_page == UINT_MAX && chars_per_line == UINT_MAX))
|
{
|
{
|
fputs_unfiltered (linebuffer, stream);
|
fputs_unfiltered (linebuffer, stream);
|
return;
|
return;
|
}
|
}
|
|
|
/* Go through and output each character. Show line extension
|
/* Go through and output each character. Show line extension
|
when this is necessary; prompt user for new page when this is
|
when this is necessary; prompt user for new page when this is
|
necessary. */
|
necessary. */
|
|
|
lineptr = linebuffer;
|
lineptr = linebuffer;
|
while (*lineptr)
|
while (*lineptr)
|
{
|
{
|
/* Possible new page. */
|
/* Possible new page. */
|
if (filter && (lines_printed >= lines_per_page - 1))
|
if (filter && (lines_printed >= lines_per_page - 1))
|
prompt_for_continue ();
|
prompt_for_continue ();
|
|
|
while (*lineptr && *lineptr != '\n')
|
while (*lineptr && *lineptr != '\n')
|
{
|
{
|
/* Print a single line. */
|
/* Print a single line. */
|
if (*lineptr == '\t')
|
if (*lineptr == '\t')
|
{
|
{
|
if (wrap_column)
|
if (wrap_column)
|
*wrap_pointer++ = '\t';
|
*wrap_pointer++ = '\t';
|
else
|
else
|
fputc_unfiltered ('\t', stream);
|
fputc_unfiltered ('\t', stream);
|
/* Shifting right by 3 produces the number of tab stops
|
/* Shifting right by 3 produces the number of tab stops
|
we have already passed, and then adding one and
|
we have already passed, and then adding one and
|
shifting left 3 advances to the next tab stop. */
|
shifting left 3 advances to the next tab stop. */
|
chars_printed = ((chars_printed >> 3) + 1) << 3;
|
chars_printed = ((chars_printed >> 3) + 1) << 3;
|
lineptr++;
|
lineptr++;
|
}
|
}
|
else
|
else
|
{
|
{
|
if (wrap_column)
|
if (wrap_column)
|
*wrap_pointer++ = *lineptr;
|
*wrap_pointer++ = *lineptr;
|
else
|
else
|
fputc_unfiltered (*lineptr, stream);
|
fputc_unfiltered (*lineptr, stream);
|
chars_printed++;
|
chars_printed++;
|
lineptr++;
|
lineptr++;
|
}
|
}
|
|
|
if (chars_printed >= chars_per_line)
|
if (chars_printed >= chars_per_line)
|
{
|
{
|
unsigned int save_chars = chars_printed;
|
unsigned int save_chars = chars_printed;
|
|
|
chars_printed = 0;
|
chars_printed = 0;
|
lines_printed++;
|
lines_printed++;
|
/* If we aren't actually wrapping, don't output newline --
|
/* If we aren't actually wrapping, don't output newline --
|
if chars_per_line is right, we probably just overflowed
|
if chars_per_line is right, we probably just overflowed
|
anyway; if it's wrong, let us keep going. */
|
anyway; if it's wrong, let us keep going. */
|
if (wrap_column)
|
if (wrap_column)
|
fputc_unfiltered ('\n', stream);
|
fputc_unfiltered ('\n', stream);
|
|
|
/* Possible new page. */
|
/* Possible new page. */
|
if (lines_printed >= lines_per_page - 1)
|
if (lines_printed >= lines_per_page - 1)
|
prompt_for_continue ();
|
prompt_for_continue ();
|
|
|
/* Now output indentation and wrapped string */
|
/* Now output indentation and wrapped string */
|
if (wrap_column)
|
if (wrap_column)
|
{
|
{
|
fputs_unfiltered (wrap_indent, stream);
|
fputs_unfiltered (wrap_indent, stream);
|
*wrap_pointer = '\0'; /* Null-terminate saved stuff */
|
*wrap_pointer = '\0'; /* Null-terminate saved stuff */
|
fputs_unfiltered (wrap_buffer, stream); /* and eject it */
|
fputs_unfiltered (wrap_buffer, stream); /* and eject it */
|
/* FIXME, this strlen is what prevents wrap_indent from
|
/* FIXME, this strlen is what prevents wrap_indent from
|
containing tabs. However, if we recurse to print it
|
containing tabs. However, if we recurse to print it
|
and count its chars, we risk trouble if wrap_indent is
|
and count its chars, we risk trouble if wrap_indent is
|
longer than (the user settable) chars_per_line.
|
longer than (the user settable) chars_per_line.
|
Note also that this can set chars_printed > chars_per_line
|
Note also that this can set chars_printed > chars_per_line
|
if we are printing a long string. */
|
if we are printing a long string. */
|
chars_printed = strlen (wrap_indent)
|
chars_printed = strlen (wrap_indent)
|
+ (save_chars - wrap_column);
|
+ (save_chars - wrap_column);
|
wrap_pointer = wrap_buffer; /* Reset buffer */
|
wrap_pointer = wrap_buffer; /* Reset buffer */
|
wrap_buffer[0] = '\0';
|
wrap_buffer[0] = '\0';
|
wrap_column = 0; /* And disable fancy wrap */
|
wrap_column = 0; /* And disable fancy wrap */
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
if (*lineptr == '\n')
|
if (*lineptr == '\n')
|
{
|
{
|
chars_printed = 0;
|
chars_printed = 0;
|
wrap_here ((char *) 0); /* Spit out chars, cancel further wraps */
|
wrap_here ((char *) 0); /* Spit out chars, cancel further wraps */
|
lines_printed++;
|
lines_printed++;
|
fputc_unfiltered ('\n', stream);
|
fputc_unfiltered ('\n', stream);
|
lineptr++;
|
lineptr++;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
void
|
void
|
fputs_filtered (const char *linebuffer, struct ui_file *stream)
|
fputs_filtered (const char *linebuffer, struct ui_file *stream)
|
{
|
{
|
fputs_maybe_filtered (linebuffer, stream, 1);
|
fputs_maybe_filtered (linebuffer, stream, 1);
|
}
|
}
|
|
|
int
|
int
|
putchar_unfiltered (int c)
|
putchar_unfiltered (int c)
|
{
|
{
|
char buf = c;
|
char buf = c;
|
ui_file_write (gdb_stdout, &buf, 1);
|
ui_file_write (gdb_stdout, &buf, 1);
|
return c;
|
return c;
|
}
|
}
|
|
|
/* Write character C to gdb_stdout using GDB's paging mechanism and return C.
|
/* Write character C to gdb_stdout using GDB's paging mechanism and return C.
|
May return nonlocally. */
|
May return nonlocally. */
|
|
|
int
|
int
|
putchar_filtered (int c)
|
putchar_filtered (int c)
|
{
|
{
|
return fputc_filtered (c, gdb_stdout);
|
return fputc_filtered (c, gdb_stdout);
|
}
|
}
|
|
|
int
|
int
|
fputc_unfiltered (int c, struct ui_file *stream)
|
fputc_unfiltered (int c, struct ui_file *stream)
|
{
|
{
|
char buf = c;
|
char buf = c;
|
ui_file_write (stream, &buf, 1);
|
ui_file_write (stream, &buf, 1);
|
return c;
|
return c;
|
}
|
}
|
|
|
int
|
int
|
fputc_filtered (int c, struct ui_file *stream)
|
fputc_filtered (int c, struct ui_file *stream)
|
{
|
{
|
char buf[2];
|
char buf[2];
|
|
|
buf[0] = c;
|
buf[0] = c;
|
buf[1] = 0;
|
buf[1] = 0;
|
fputs_filtered (buf, stream);
|
fputs_filtered (buf, stream);
|
return c;
|
return c;
|
}
|
}
|
|
|
/* puts_debug is like fputs_unfiltered, except it prints special
|
/* puts_debug is like fputs_unfiltered, except it prints special
|
characters in printable fashion. */
|
characters in printable fashion. */
|
|
|
void
|
void
|
puts_debug (char *prefix, char *string, char *suffix)
|
puts_debug (char *prefix, char *string, char *suffix)
|
{
|
{
|
int ch;
|
int ch;
|
|
|
/* Print prefix and suffix after each line. */
|
/* Print prefix and suffix after each line. */
|
static int new_line = 1;
|
static int new_line = 1;
|
static int return_p = 0;
|
static int return_p = 0;
|
static char *prev_prefix = "";
|
static char *prev_prefix = "";
|
static char *prev_suffix = "";
|
static char *prev_suffix = "";
|
|
|
if (*string == '\n')
|
if (*string == '\n')
|
return_p = 0;
|
return_p = 0;
|
|
|
/* If the prefix is changing, print the previous suffix, a new line,
|
/* If the prefix is changing, print the previous suffix, a new line,
|
and the new prefix. */
|
and the new prefix. */
|
if ((return_p || (strcmp (prev_prefix, prefix) != 0)) && !new_line)
|
if ((return_p || (strcmp (prev_prefix, prefix) != 0)) && !new_line)
|
{
|
{
|
fputs_unfiltered (prev_suffix, gdb_stdlog);
|
fputs_unfiltered (prev_suffix, gdb_stdlog);
|
fputs_unfiltered ("\n", gdb_stdlog);
|
fputs_unfiltered ("\n", gdb_stdlog);
|
fputs_unfiltered (prefix, gdb_stdlog);
|
fputs_unfiltered (prefix, gdb_stdlog);
|
}
|
}
|
|
|
/* Print prefix if we printed a newline during the previous call. */
|
/* Print prefix if we printed a newline during the previous call. */
|
if (new_line)
|
if (new_line)
|
{
|
{
|
new_line = 0;
|
new_line = 0;
|
fputs_unfiltered (prefix, gdb_stdlog);
|
fputs_unfiltered (prefix, gdb_stdlog);
|
}
|
}
|
|
|
prev_prefix = prefix;
|
prev_prefix = prefix;
|
prev_suffix = suffix;
|
prev_suffix = suffix;
|
|
|
/* Output characters in a printable format. */
|
/* Output characters in a printable format. */
|
while ((ch = *string++) != '\0')
|
while ((ch = *string++) != '\0')
|
{
|
{
|
switch (ch)
|
switch (ch)
|
{
|
{
|
default:
|
default:
|
if (isprint (ch))
|
if (isprint (ch))
|
fputc_unfiltered (ch, gdb_stdlog);
|
fputc_unfiltered (ch, gdb_stdlog);
|
|
|
else
|
else
|
fprintf_unfiltered (gdb_stdlog, "\\x%02x", ch & 0xff);
|
fprintf_unfiltered (gdb_stdlog, "\\x%02x", ch & 0xff);
|
break;
|
break;
|
|
|
case '\\':
|
case '\\':
|
fputs_unfiltered ("\\\\", gdb_stdlog);
|
fputs_unfiltered ("\\\\", gdb_stdlog);
|
break;
|
break;
|
case '\b':
|
case '\b':
|
fputs_unfiltered ("\\b", gdb_stdlog);
|
fputs_unfiltered ("\\b", gdb_stdlog);
|
break;
|
break;
|
case '\f':
|
case '\f':
|
fputs_unfiltered ("\\f", gdb_stdlog);
|
fputs_unfiltered ("\\f", gdb_stdlog);
|
break;
|
break;
|
case '\n':
|
case '\n':
|
new_line = 1;
|
new_line = 1;
|
fputs_unfiltered ("\\n", gdb_stdlog);
|
fputs_unfiltered ("\\n", gdb_stdlog);
|
break;
|
break;
|
case '\r':
|
case '\r':
|
fputs_unfiltered ("\\r", gdb_stdlog);
|
fputs_unfiltered ("\\r", gdb_stdlog);
|
break;
|
break;
|
case '\t':
|
case '\t':
|
fputs_unfiltered ("\\t", gdb_stdlog);
|
fputs_unfiltered ("\\t", gdb_stdlog);
|
break;
|
break;
|
case '\v':
|
case '\v':
|
fputs_unfiltered ("\\v", gdb_stdlog);
|
fputs_unfiltered ("\\v", gdb_stdlog);
|
break;
|
break;
|
}
|
}
|
|
|
return_p = ch == '\r';
|
return_p = ch == '\r';
|
}
|
}
|
|
|
/* Print suffix if we printed a newline. */
|
/* Print suffix if we printed a newline. */
|
if (new_line)
|
if (new_line)
|
{
|
{
|
fputs_unfiltered (suffix, gdb_stdlog);
|
fputs_unfiltered (suffix, gdb_stdlog);
|
fputs_unfiltered ("\n", gdb_stdlog);
|
fputs_unfiltered ("\n", gdb_stdlog);
|
}
|
}
|
}
|
}
|
|
|
|
|
/* Print a variable number of ARGS using format FORMAT. If this
|
/* Print a variable number of ARGS using format FORMAT. If this
|
information is going to put the amount written (since the last call
|
information is going to put the amount written (since the last call
|
to REINITIALIZE_MORE_FILTER or the last page break) over the page size,
|
to REINITIALIZE_MORE_FILTER or the last page break) over the page size,
|
call prompt_for_continue to get the users permision to continue.
|
call prompt_for_continue to get the users permision to continue.
|
|
|
Unlike fprintf, this function does not return a value.
|
Unlike fprintf, this function does not return a value.
|
|
|
We implement three variants, vfprintf (takes a vararg list and stream),
|
We implement three variants, vfprintf (takes a vararg list and stream),
|
fprintf (takes a stream to write on), and printf (the usual).
|
fprintf (takes a stream to write on), and printf (the usual).
|
|
|
Note also that a longjmp to top level may occur in this routine
|
Note also that a longjmp to top level may occur in this routine
|
(since prompt_for_continue may do so) so this routine should not be
|
(since prompt_for_continue may do so) so this routine should not be
|
called when cleanups are not in place. */
|
called when cleanups are not in place. */
|
|
|
static void
|
static void
|
vfprintf_maybe_filtered (struct ui_file *stream, const char *format,
|
vfprintf_maybe_filtered (struct ui_file *stream, const char *format,
|
va_list args, int filter)
|
va_list args, int filter)
|
{
|
{
|
char *linebuffer;
|
char *linebuffer;
|
struct cleanup *old_cleanups;
|
struct cleanup *old_cleanups;
|
|
|
linebuffer = xstrvprintf (format, args);
|
linebuffer = xstrvprintf (format, args);
|
old_cleanups = make_cleanup (xfree, linebuffer);
|
old_cleanups = make_cleanup (xfree, linebuffer);
|
fputs_maybe_filtered (linebuffer, stream, filter);
|
fputs_maybe_filtered (linebuffer, stream, filter);
|
do_cleanups (old_cleanups);
|
do_cleanups (old_cleanups);
|
}
|
}
|
|
|
|
|
void
|
void
|
vfprintf_filtered (struct ui_file *stream, const char *format, va_list args)
|
vfprintf_filtered (struct ui_file *stream, const char *format, va_list args)
|
{
|
{
|
vfprintf_maybe_filtered (stream, format, args, 1);
|
vfprintf_maybe_filtered (stream, format, args, 1);
|
}
|
}
|
|
|
void
|
void
|
vfprintf_unfiltered (struct ui_file *stream, const char *format, va_list args)
|
vfprintf_unfiltered (struct ui_file *stream, const char *format, va_list args)
|
{
|
{
|
char *linebuffer;
|
char *linebuffer;
|
struct cleanup *old_cleanups;
|
struct cleanup *old_cleanups;
|
|
|
linebuffer = xstrvprintf (format, args);
|
linebuffer = xstrvprintf (format, args);
|
old_cleanups = make_cleanup (xfree, linebuffer);
|
old_cleanups = make_cleanup (xfree, linebuffer);
|
fputs_unfiltered (linebuffer, stream);
|
fputs_unfiltered (linebuffer, stream);
|
do_cleanups (old_cleanups);
|
do_cleanups (old_cleanups);
|
}
|
}
|
|
|
void
|
void
|
vprintf_filtered (const char *format, va_list args)
|
vprintf_filtered (const char *format, va_list args)
|
{
|
{
|
vfprintf_maybe_filtered (gdb_stdout, format, args, 1);
|
vfprintf_maybe_filtered (gdb_stdout, format, args, 1);
|
}
|
}
|
|
|
void
|
void
|
vprintf_unfiltered (const char *format, va_list args)
|
vprintf_unfiltered (const char *format, va_list args)
|
{
|
{
|
vfprintf_unfiltered (gdb_stdout, format, args);
|
vfprintf_unfiltered (gdb_stdout, format, args);
|
}
|
}
|
|
|
void
|
void
|
fprintf_filtered (struct ui_file *stream, const char *format, ...)
|
fprintf_filtered (struct ui_file *stream, const char *format, ...)
|
{
|
{
|
va_list args;
|
va_list args;
|
va_start (args, format);
|
va_start (args, format);
|
vfprintf_filtered (stream, format, args);
|
vfprintf_filtered (stream, format, args);
|
va_end (args);
|
va_end (args);
|
}
|
}
|
|
|
void
|
void
|
fprintf_unfiltered (struct ui_file *stream, const char *format, ...)
|
fprintf_unfiltered (struct ui_file *stream, const char *format, ...)
|
{
|
{
|
va_list args;
|
va_list args;
|
va_start (args, format);
|
va_start (args, format);
|
vfprintf_unfiltered (stream, format, args);
|
vfprintf_unfiltered (stream, format, args);
|
va_end (args);
|
va_end (args);
|
}
|
}
|
|
|
/* Like fprintf_filtered, but prints its result indented.
|
/* Like fprintf_filtered, but prints its result indented.
|
Called as fprintfi_filtered (spaces, stream, format, ...); */
|
Called as fprintfi_filtered (spaces, stream, format, ...); */
|
|
|
void
|
void
|
fprintfi_filtered (int spaces, struct ui_file *stream, const char *format,
|
fprintfi_filtered (int spaces, struct ui_file *stream, const char *format,
|
...)
|
...)
|
{
|
{
|
va_list args;
|
va_list args;
|
va_start (args, format);
|
va_start (args, format);
|
print_spaces_filtered (spaces, stream);
|
print_spaces_filtered (spaces, stream);
|
|
|
vfprintf_filtered (stream, format, args);
|
vfprintf_filtered (stream, format, args);
|
va_end (args);
|
va_end (args);
|
}
|
}
|
|
|
|
|
void
|
void
|
printf_filtered (const char *format, ...)
|
printf_filtered (const char *format, ...)
|
{
|
{
|
va_list args;
|
va_list args;
|
va_start (args, format);
|
va_start (args, format);
|
vfprintf_filtered (gdb_stdout, format, args);
|
vfprintf_filtered (gdb_stdout, format, args);
|
va_end (args);
|
va_end (args);
|
}
|
}
|
|
|
|
|
void
|
void
|
printf_unfiltered (const char *format, ...)
|
printf_unfiltered (const char *format, ...)
|
{
|
{
|
va_list args;
|
va_list args;
|
va_start (args, format);
|
va_start (args, format);
|
vfprintf_unfiltered (gdb_stdout, format, args);
|
vfprintf_unfiltered (gdb_stdout, format, args);
|
va_end (args);
|
va_end (args);
|
}
|
}
|
|
|
/* Like printf_filtered, but prints it's result indented.
|
/* Like printf_filtered, but prints it's result indented.
|
Called as printfi_filtered (spaces, format, ...); */
|
Called as printfi_filtered (spaces, format, ...); */
|
|
|
void
|
void
|
printfi_filtered (int spaces, const char *format, ...)
|
printfi_filtered (int spaces, const char *format, ...)
|
{
|
{
|
va_list args;
|
va_list args;
|
va_start (args, format);
|
va_start (args, format);
|
print_spaces_filtered (spaces, gdb_stdout);
|
print_spaces_filtered (spaces, gdb_stdout);
|
vfprintf_filtered (gdb_stdout, format, args);
|
vfprintf_filtered (gdb_stdout, format, args);
|
va_end (args);
|
va_end (args);
|
}
|
}
|
|
|
/* Easy -- but watch out!
|
/* Easy -- but watch out!
|
|
|
This routine is *not* a replacement for puts()! puts() appends a newline.
|
This routine is *not* a replacement for puts()! puts() appends a newline.
|
This one doesn't, and had better not! */
|
This one doesn't, and had better not! */
|
|
|
void
|
void
|
puts_filtered (const char *string)
|
puts_filtered (const char *string)
|
{
|
{
|
fputs_filtered (string, gdb_stdout);
|
fputs_filtered (string, gdb_stdout);
|
}
|
}
|
|
|
void
|
void
|
puts_unfiltered (const char *string)
|
puts_unfiltered (const char *string)
|
{
|
{
|
fputs_unfiltered (string, gdb_stdout);
|
fputs_unfiltered (string, gdb_stdout);
|
}
|
}
|
|
|
/* Return a pointer to N spaces and a null. The pointer is good
|
/* Return a pointer to N spaces and a null. The pointer is good
|
until the next call to here. */
|
until the next call to here. */
|
char *
|
char *
|
n_spaces (int n)
|
n_spaces (int n)
|
{
|
{
|
char *t;
|
char *t;
|
static char *spaces = 0;
|
static char *spaces = 0;
|
static int max_spaces = -1;
|
static int max_spaces = -1;
|
|
|
if (n > max_spaces)
|
if (n > max_spaces)
|
{
|
{
|
if (spaces)
|
if (spaces)
|
xfree (spaces);
|
xfree (spaces);
|
spaces = (char *) xmalloc (n + 1);
|
spaces = (char *) xmalloc (n + 1);
|
for (t = spaces + n; t != spaces;)
|
for (t = spaces + n; t != spaces;)
|
*--t = ' ';
|
*--t = ' ';
|
spaces[n] = '\0';
|
spaces[n] = '\0';
|
max_spaces = n;
|
max_spaces = n;
|
}
|
}
|
|
|
return spaces + max_spaces - n;
|
return spaces + max_spaces - n;
|
}
|
}
|
|
|
/* Print N spaces. */
|
/* Print N spaces. */
|
void
|
void
|
print_spaces_filtered (int n, struct ui_file *stream)
|
print_spaces_filtered (int n, struct ui_file *stream)
|
{
|
{
|
fputs_filtered (n_spaces (n), stream);
|
fputs_filtered (n_spaces (n), stream);
|
}
|
}
|
|
|
/* C++/ObjC demangler stuff. */
|
/* C++/ObjC demangler stuff. */
|
|
|
/* fprintf_symbol_filtered attempts to demangle NAME, a symbol in language
|
/* fprintf_symbol_filtered attempts to demangle NAME, a symbol in language
|
LANG, using demangling args ARG_MODE, and print it filtered to STREAM.
|
LANG, using demangling args ARG_MODE, and print it filtered to STREAM.
|
If the name is not mangled, or the language for the name is unknown, or
|
If the name is not mangled, or the language for the name is unknown, or
|
demangling is off, the name is printed in its "raw" form. */
|
demangling is off, the name is printed in its "raw" form. */
|
|
|
void
|
void
|
fprintf_symbol_filtered (struct ui_file *stream, char *name,
|
fprintf_symbol_filtered (struct ui_file *stream, char *name,
|
enum language lang, int arg_mode)
|
enum language lang, int arg_mode)
|
{
|
{
|
char *demangled;
|
char *demangled;
|
|
|
if (name != NULL)
|
if (name != NULL)
|
{
|
{
|
/* If user wants to see raw output, no problem. */
|
/* If user wants to see raw output, no problem. */
|
if (!demangle)
|
if (!demangle)
|
{
|
{
|
fputs_filtered (name, stream);
|
fputs_filtered (name, stream);
|
}
|
}
|
else
|
else
|
{
|
{
|
demangled = language_demangle (language_def (lang), name, arg_mode);
|
demangled = language_demangle (language_def (lang), name, arg_mode);
|
fputs_filtered (demangled ? demangled : name, stream);
|
fputs_filtered (demangled ? demangled : name, stream);
|
if (demangled != NULL)
|
if (demangled != NULL)
|
{
|
{
|
xfree (demangled);
|
xfree (demangled);
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
/* Do a strcmp() type operation on STRING1 and STRING2, ignoring any
|
/* Do a strcmp() type operation on STRING1 and STRING2, ignoring any
|
differences in whitespace. Returns 0 if they match, non-zero if they
|
differences in whitespace. Returns 0 if they match, non-zero if they
|
don't (slightly different than strcmp()'s range of return values).
|
don't (slightly different than strcmp()'s range of return values).
|
|
|
As an extra hack, string1=="FOO(ARGS)" matches string2=="FOO".
|
As an extra hack, string1=="FOO(ARGS)" matches string2=="FOO".
|
This "feature" is useful when searching for matching C++ function names
|
This "feature" is useful when searching for matching C++ function names
|
(such as if the user types 'break FOO', where FOO is a mangled C++
|
(such as if the user types 'break FOO', where FOO is a mangled C++
|
function). */
|
function). */
|
|
|
int
|
int
|
strcmp_iw (const char *string1, const char *string2)
|
strcmp_iw (const char *string1, const char *string2)
|
{
|
{
|
while ((*string1 != '\0') && (*string2 != '\0'))
|
while ((*string1 != '\0') && (*string2 != '\0'))
|
{
|
{
|
while (isspace (*string1))
|
while (isspace (*string1))
|
{
|
{
|
string1++;
|
string1++;
|
}
|
}
|
while (isspace (*string2))
|
while (isspace (*string2))
|
{
|
{
|
string2++;
|
string2++;
|
}
|
}
|
if (*string1 != *string2)
|
if (*string1 != *string2)
|
{
|
{
|
break;
|
break;
|
}
|
}
|
if (*string1 != '\0')
|
if (*string1 != '\0')
|
{
|
{
|
string1++;
|
string1++;
|
string2++;
|
string2++;
|
}
|
}
|
}
|
}
|
return (*string1 != '\0' && *string1 != '(') || (*string2 != '\0');
|
return (*string1 != '\0' && *string1 != '(') || (*string2 != '\0');
|
}
|
}
|
|
|
/* This is like strcmp except that it ignores whitespace and treats
|
/* This is like strcmp except that it ignores whitespace and treats
|
'(' as the first non-NULL character in terms of ordering. Like
|
'(' as the first non-NULL character in terms of ordering. Like
|
strcmp (and unlike strcmp_iw), it returns negative if STRING1 <
|
strcmp (and unlike strcmp_iw), it returns negative if STRING1 <
|
STRING2, 0 if STRING2 = STRING2, and positive if STRING1 > STRING2
|
STRING2, 0 if STRING2 = STRING2, and positive if STRING1 > STRING2
|
according to that ordering.
|
according to that ordering.
|
|
|
If a list is sorted according to this function and if you want to
|
If a list is sorted according to this function and if you want to
|
find names in the list that match some fixed NAME according to
|
find names in the list that match some fixed NAME according to
|
strcmp_iw(LIST_ELT, NAME), then the place to start looking is right
|
strcmp_iw(LIST_ELT, NAME), then the place to start looking is right
|
where this function would put NAME.
|
where this function would put NAME.
|
|
|
Here are some examples of why using strcmp to sort is a bad idea:
|
Here are some examples of why using strcmp to sort is a bad idea:
|
|
|
Whitespace example:
|
Whitespace example:
|
|
|
Say your partial symtab contains: "foo<char *>", "goo". Then, if
|
Say your partial symtab contains: "foo<char *>", "goo". Then, if
|
we try to do a search for "foo<char*>", strcmp will locate this
|
we try to do a search for "foo<char*>", strcmp will locate this
|
after "foo<char *>" and before "goo". Then lookup_partial_symbol
|
after "foo<char *>" and before "goo". Then lookup_partial_symbol
|
will start looking at strings beginning with "goo", and will never
|
will start looking at strings beginning with "goo", and will never
|
see the correct match of "foo<char *>".
|
see the correct match of "foo<char *>".
|
|
|
Parenthesis example:
|
Parenthesis example:
|
|
|
In practice, this is less like to be an issue, but I'll give it a
|
In practice, this is less like to be an issue, but I'll give it a
|
shot. Let's assume that '$' is a legitimate character to occur in
|
shot. Let's assume that '$' is a legitimate character to occur in
|
symbols. (Which may well even be the case on some systems.) Then
|
symbols. (Which may well even be the case on some systems.) Then
|
say that the partial symbol table contains "foo$" and "foo(int)".
|
say that the partial symbol table contains "foo$" and "foo(int)".
|
strcmp will put them in this order, since '$' < '('. Now, if the
|
strcmp will put them in this order, since '$' < '('. Now, if the
|
user searches for "foo", then strcmp will sort "foo" before "foo$".
|
user searches for "foo", then strcmp will sort "foo" before "foo$".
|
Then lookup_partial_symbol will notice that strcmp_iw("foo$",
|
Then lookup_partial_symbol will notice that strcmp_iw("foo$",
|
"foo") is false, so it won't proceed to the actual match of
|
"foo") is false, so it won't proceed to the actual match of
|
"foo(int)" with "foo". */
|
"foo(int)" with "foo". */
|
|
|
int
|
int
|
strcmp_iw_ordered (const char *string1, const char *string2)
|
strcmp_iw_ordered (const char *string1, const char *string2)
|
{
|
{
|
while ((*string1 != '\0') && (*string2 != '\0'))
|
while ((*string1 != '\0') && (*string2 != '\0'))
|
{
|
{
|
while (isspace (*string1))
|
while (isspace (*string1))
|
{
|
{
|
string1++;
|
string1++;
|
}
|
}
|
while (isspace (*string2))
|
while (isspace (*string2))
|
{
|
{
|
string2++;
|
string2++;
|
}
|
}
|
if (*string1 != *string2)
|
if (*string1 != *string2)
|
{
|
{
|
break;
|
break;
|
}
|
}
|
if (*string1 != '\0')
|
if (*string1 != '\0')
|
{
|
{
|
string1++;
|
string1++;
|
string2++;
|
string2++;
|
}
|
}
|
}
|
}
|
|
|
switch (*string1)
|
switch (*string1)
|
{
|
{
|
/* Characters are non-equal unless they're both '\0'; we want to
|
/* Characters are non-equal unless they're both '\0'; we want to
|
make sure we get the comparison right according to our
|
make sure we get the comparison right according to our
|
comparison in the cases where one of them is '\0' or '('. */
|
comparison in the cases where one of them is '\0' or '('. */
|
case '\0':
|
case '\0':
|
if (*string2 == '\0')
|
if (*string2 == '\0')
|
return 0;
|
return 0;
|
else
|
else
|
return -1;
|
return -1;
|
case '(':
|
case '(':
|
if (*string2 == '\0')
|
if (*string2 == '\0')
|
return 1;
|
return 1;
|
else
|
else
|
return -1;
|
return -1;
|
default:
|
default:
|
if (*string2 == '(')
|
if (*string2 == '(')
|
return 1;
|
return 1;
|
else
|
else
|
return *string1 - *string2;
|
return *string1 - *string2;
|
}
|
}
|
}
|
}
|
|
|
/* A simple comparison function with opposite semantics to strcmp. */
|
/* A simple comparison function with opposite semantics to strcmp. */
|
|
|
int
|
int
|
streq (const char *lhs, const char *rhs)
|
streq (const char *lhs, const char *rhs)
|
{
|
{
|
return !strcmp (lhs, rhs);
|
return !strcmp (lhs, rhs);
|
}
|
}
|
|
|
|
|
/*
|
/*
|
** subset_compare()
|
** subset_compare()
|
** Answer whether string_to_compare is a full or partial match to
|
** Answer whether string_to_compare is a full or partial match to
|
** template_string. The partial match must be in sequence starting
|
** template_string. The partial match must be in sequence starting
|
** at index 0.
|
** at index 0.
|
*/
|
*/
|
int
|
int
|
subset_compare (char *string_to_compare, char *template_string)
|
subset_compare (char *string_to_compare, char *template_string)
|
{
|
{
|
int match;
|
int match;
|
if (template_string != (char *) NULL && string_to_compare != (char *) NULL
|
if (template_string != (char *) NULL && string_to_compare != (char *) NULL
|
&& strlen (string_to_compare) <= strlen (template_string))
|
&& strlen (string_to_compare) <= strlen (template_string))
|
match =
|
match =
|
(strncmp
|
(strncmp
|
(template_string, string_to_compare, strlen (string_to_compare)) == 0);
|
(template_string, string_to_compare, strlen (string_to_compare)) == 0);
|
else
|
else
|
match = 0;
|
match = 0;
|
return match;
|
return match;
|
}
|
}
|
|
|
static void
|
static void
|
pagination_on_command (char *arg, int from_tty)
|
pagination_on_command (char *arg, int from_tty)
|
{
|
{
|
pagination_enabled = 1;
|
pagination_enabled = 1;
|
}
|
}
|
|
|
static void
|
static void
|
pagination_off_command (char *arg, int from_tty)
|
pagination_off_command (char *arg, int from_tty)
|
{
|
{
|
pagination_enabled = 0;
|
pagination_enabled = 0;
|
}
|
}
|
|
|
|
|
void
|
void
|
initialize_utils (void)
|
initialize_utils (void)
|
{
|
{
|
struct cmd_list_element *c;
|
struct cmd_list_element *c;
|
|
|
add_setshow_uinteger_cmd ("width", class_support, &chars_per_line, _("\
|
add_setshow_uinteger_cmd ("width", class_support, &chars_per_line, _("\
|
Set number of characters gdb thinks are in a line."), _("\
|
Set number of characters gdb thinks are in a line."), _("\
|
Show number of characters gdb thinks are in a line."), NULL,
|
Show number of characters gdb thinks are in a line."), NULL,
|
set_width_command,
|
set_width_command,
|
show_chars_per_line,
|
show_chars_per_line,
|
&setlist, &showlist);
|
&setlist, &showlist);
|
|
|
add_setshow_uinteger_cmd ("height", class_support, &lines_per_page, _("\
|
add_setshow_uinteger_cmd ("height", class_support, &lines_per_page, _("\
|
Set number of lines gdb thinks are in a page."), _("\
|
Set number of lines gdb thinks are in a page."), _("\
|
Show number of lines gdb thinks are in a page."), NULL,
|
Show number of lines gdb thinks are in a page."), NULL,
|
set_height_command,
|
set_height_command,
|
show_lines_per_page,
|
show_lines_per_page,
|
&setlist, &showlist);
|
&setlist, &showlist);
|
|
|
init_page_info ();
|
init_page_info ();
|
|
|
add_setshow_boolean_cmd ("demangle", class_support, &demangle, _("\
|
add_setshow_boolean_cmd ("demangle", class_support, &demangle, _("\
|
Set demangling of encoded C++/ObjC names when displaying symbols."), _("\
|
Set demangling of encoded C++/ObjC names when displaying symbols."), _("\
|
Show demangling of encoded C++/ObjC names when displaying symbols."), NULL,
|
Show demangling of encoded C++/ObjC names when displaying symbols."), NULL,
|
NULL,
|
NULL,
|
show_demangle,
|
show_demangle,
|
&setprintlist, &showprintlist);
|
&setprintlist, &showprintlist);
|
|
|
add_setshow_boolean_cmd ("pagination", class_support,
|
add_setshow_boolean_cmd ("pagination", class_support,
|
&pagination_enabled, _("\
|
&pagination_enabled, _("\
|
Set state of pagination."), _("\
|
Set state of pagination."), _("\
|
Show state of pagination."), NULL,
|
Show state of pagination."), NULL,
|
NULL,
|
NULL,
|
show_pagination_enabled,
|
show_pagination_enabled,
|
&setlist, &showlist);
|
&setlist, &showlist);
|
|
|
if (xdb_commands)
|
if (xdb_commands)
|
{
|
{
|
add_com ("am", class_support, pagination_on_command,
|
add_com ("am", class_support, pagination_on_command,
|
_("Enable pagination"));
|
_("Enable pagination"));
|
add_com ("sm", class_support, pagination_off_command,
|
add_com ("sm", class_support, pagination_off_command,
|
_("Disable pagination"));
|
_("Disable pagination"));
|
}
|
}
|
|
|
add_setshow_boolean_cmd ("sevenbit-strings", class_support,
|
add_setshow_boolean_cmd ("sevenbit-strings", class_support,
|
&sevenbit_strings, _("\
|
&sevenbit_strings, _("\
|
Set printing of 8-bit characters in strings as \\nnn."), _("\
|
Set printing of 8-bit characters in strings as \\nnn."), _("\
|
Show printing of 8-bit characters in strings as \\nnn."), NULL,
|
Show printing of 8-bit characters in strings as \\nnn."), NULL,
|
NULL,
|
NULL,
|
show_sevenbit_strings,
|
show_sevenbit_strings,
|
&setprintlist, &showprintlist);
|
&setprintlist, &showprintlist);
|
|
|
add_setshow_boolean_cmd ("asm-demangle", class_support, &asm_demangle, _("\
|
add_setshow_boolean_cmd ("asm-demangle", class_support, &asm_demangle, _("\
|
Set demangling of C++/ObjC names in disassembly listings."), _("\
|
Set demangling of C++/ObjC names in disassembly listings."), _("\
|
Show demangling of C++/ObjC names in disassembly listings."), NULL,
|
Show demangling of C++/ObjC names in disassembly listings."), NULL,
|
NULL,
|
NULL,
|
show_asm_demangle,
|
show_asm_demangle,
|
&setprintlist, &showprintlist);
|
&setprintlist, &showprintlist);
|
}
|
}
|
|
|
/* Machine specific function to handle SIGWINCH signal. */
|
/* Machine specific function to handle SIGWINCH signal. */
|
|
|
#ifdef SIGWINCH_HANDLER_BODY
|
#ifdef SIGWINCH_HANDLER_BODY
|
SIGWINCH_HANDLER_BODY
|
SIGWINCH_HANDLER_BODY
|
#endif
|
#endif
|
/* print routines to handle variable size regs, etc. */
|
/* print routines to handle variable size regs, etc. */
|
/* temporary storage using circular buffer */
|
/* temporary storage using circular buffer */
|
#define NUMCELLS 16
|
#define NUMCELLS 16
|
#define CELLSIZE 50
|
#define CELLSIZE 50
|
static char *
|
static char *
|
get_cell (void)
|
get_cell (void)
|
{
|
{
|
static char buf[NUMCELLS][CELLSIZE];
|
static char buf[NUMCELLS][CELLSIZE];
|
static int cell = 0;
|
static int cell = 0;
|
if (++cell >= NUMCELLS)
|
if (++cell >= NUMCELLS)
|
cell = 0;
|
cell = 0;
|
return buf[cell];
|
return buf[cell];
|
}
|
}
|
|
|
int
|
int
|
strlen_paddr (void)
|
strlen_paddr (void)
|
{
|
{
|
return (gdbarch_addr_bit (current_gdbarch) / 8 * 2);
|
return (gdbarch_addr_bit (current_gdbarch) / 8 * 2);
|
}
|
}
|
|
|
char *
|
char *
|
paddr (CORE_ADDR addr)
|
paddr (CORE_ADDR addr)
|
{
|
{
|
return phex (addr, gdbarch_addr_bit (current_gdbarch) / 8);
|
return phex (addr, gdbarch_addr_bit (current_gdbarch) / 8);
|
}
|
}
|
|
|
char *
|
char *
|
paddr_nz (CORE_ADDR addr)
|
paddr_nz (CORE_ADDR addr)
|
{
|
{
|
return phex_nz (addr, gdbarch_addr_bit (current_gdbarch) / 8);
|
return phex_nz (addr, gdbarch_addr_bit (current_gdbarch) / 8);
|
}
|
}
|
|
|
const char *
|
const char *
|
paddress (CORE_ADDR addr)
|
paddress (CORE_ADDR addr)
|
{
|
{
|
/* Truncate address to the size of a target address, avoiding shifts
|
/* Truncate address to the size of a target address, avoiding shifts
|
larger or equal than the width of a CORE_ADDR. The local
|
larger or equal than the width of a CORE_ADDR. The local
|
variable ADDR_BIT stops the compiler reporting a shift overflow
|
variable ADDR_BIT stops the compiler reporting a shift overflow
|
when it won't occur. */
|
when it won't occur. */
|
/* NOTE: This assumes that the significant address information is
|
/* NOTE: This assumes that the significant address information is
|
kept in the least significant bits of ADDR - the upper bits were
|
kept in the least significant bits of ADDR - the upper bits were
|
either zero or sign extended. Should gdbarch_address_to_pointer or
|
either zero or sign extended. Should gdbarch_address_to_pointer or
|
some ADDRESS_TO_PRINTABLE() be used to do the conversion? */
|
some ADDRESS_TO_PRINTABLE() be used to do the conversion? */
|
|
|
int addr_bit = gdbarch_addr_bit (current_gdbarch);
|
int addr_bit = gdbarch_addr_bit (current_gdbarch);
|
|
|
if (addr_bit < (sizeof (CORE_ADDR) * HOST_CHAR_BIT))
|
if (addr_bit < (sizeof (CORE_ADDR) * HOST_CHAR_BIT))
|
addr &= ((CORE_ADDR) 1 << addr_bit) - 1;
|
addr &= ((CORE_ADDR) 1 << addr_bit) - 1;
|
return hex_string (addr);
|
return hex_string (addr);
|
}
|
}
|
|
|
static char *
|
static char *
|
decimal2str (char *sign, ULONGEST addr, int width)
|
decimal2str (char *sign, ULONGEST addr, int width)
|
{
|
{
|
/* Steal code from valprint.c:print_decimal(). Should this worry
|
/* Steal code from valprint.c:print_decimal(). Should this worry
|
about the real size of addr as the above does? */
|
about the real size of addr as the above does? */
|
unsigned long temp[3];
|
unsigned long temp[3];
|
char *str = get_cell ();
|
char *str = get_cell ();
|
|
|
int i = 0;
|
int i = 0;
|
do
|
do
|
{
|
{
|
temp[i] = addr % (1000 * 1000 * 1000);
|
temp[i] = addr % (1000 * 1000 * 1000);
|
addr /= (1000 * 1000 * 1000);
|
addr /= (1000 * 1000 * 1000);
|
i++;
|
i++;
|
width -= 9;
|
width -= 9;
|
}
|
}
|
while (addr != 0 && i < (sizeof (temp) / sizeof (temp[0])));
|
while (addr != 0 && i < (sizeof (temp) / sizeof (temp[0])));
|
|
|
width += 9;
|
width += 9;
|
if (width < 0)
|
if (width < 0)
|
width = 0;
|
width = 0;
|
|
|
switch (i)
|
switch (i)
|
{
|
{
|
case 1:
|
case 1:
|
xsnprintf (str, CELLSIZE, "%s%0*lu", sign, width, temp[0]);
|
xsnprintf (str, CELLSIZE, "%s%0*lu", sign, width, temp[0]);
|
break;
|
break;
|
case 2:
|
case 2:
|
xsnprintf (str, CELLSIZE, "%s%0*lu%09lu", sign, width,
|
xsnprintf (str, CELLSIZE, "%s%0*lu%09lu", sign, width,
|
temp[1], temp[0]);
|
temp[1], temp[0]);
|
break;
|
break;
|
case 3:
|
case 3:
|
xsnprintf (str, CELLSIZE, "%s%0*lu%09lu%09lu", sign, width,
|
xsnprintf (str, CELLSIZE, "%s%0*lu%09lu%09lu", sign, width,
|
temp[2], temp[1], temp[0]);
|
temp[2], temp[1], temp[0]);
|
break;
|
break;
|
default:
|
default:
|
internal_error (__FILE__, __LINE__,
|
internal_error (__FILE__, __LINE__,
|
_("failed internal consistency check"));
|
_("failed internal consistency check"));
|
}
|
}
|
|
|
return str;
|
return str;
|
}
|
}
|
|
|
static char *
|
static char *
|
octal2str (ULONGEST addr, int width)
|
octal2str (ULONGEST addr, int width)
|
{
|
{
|
unsigned long temp[3];
|
unsigned long temp[3];
|
char *str = get_cell ();
|
char *str = get_cell ();
|
|
|
int i = 0;
|
int i = 0;
|
do
|
do
|
{
|
{
|
temp[i] = addr % (0100000 * 0100000);
|
temp[i] = addr % (0100000 * 0100000);
|
addr /= (0100000 * 0100000);
|
addr /= (0100000 * 0100000);
|
i++;
|
i++;
|
width -= 10;
|
width -= 10;
|
}
|
}
|
while (addr != 0 && i < (sizeof (temp) / sizeof (temp[0])));
|
while (addr != 0 && i < (sizeof (temp) / sizeof (temp[0])));
|
|
|
width += 10;
|
width += 10;
|
if (width < 0)
|
if (width < 0)
|
width = 0;
|
width = 0;
|
|
|
switch (i)
|
switch (i)
|
{
|
{
|
case 1:
|
case 1:
|
if (temp[0] == 0)
|
if (temp[0] == 0)
|
xsnprintf (str, CELLSIZE, "%*o", width, 0);
|
xsnprintf (str, CELLSIZE, "%*o", width, 0);
|
else
|
else
|
xsnprintf (str, CELLSIZE, "0%0*lo", width, temp[0]);
|
xsnprintf (str, CELLSIZE, "0%0*lo", width, temp[0]);
|
break;
|
break;
|
case 2:
|
case 2:
|
xsnprintf (str, CELLSIZE, "0%0*lo%010lo", width, temp[1], temp[0]);
|
xsnprintf (str, CELLSIZE, "0%0*lo%010lo", width, temp[1], temp[0]);
|
break;
|
break;
|
case 3:
|
case 3:
|
xsnprintf (str, CELLSIZE, "0%0*lo%010lo%010lo", width,
|
xsnprintf (str, CELLSIZE, "0%0*lo%010lo%010lo", width,
|
temp[2], temp[1], temp[0]);
|
temp[2], temp[1], temp[0]);
|
break;
|
break;
|
default:
|
default:
|
internal_error (__FILE__, __LINE__,
|
internal_error (__FILE__, __LINE__,
|
_("failed internal consistency check"));
|
_("failed internal consistency check"));
|
}
|
}
|
|
|
return str;
|
return str;
|
}
|
}
|
|
|
char *
|
char *
|
paddr_u (CORE_ADDR addr)
|
paddr_u (CORE_ADDR addr)
|
{
|
{
|
return decimal2str ("", addr, 0);
|
return decimal2str ("", addr, 0);
|
}
|
}
|
|
|
char *
|
char *
|
paddr_d (LONGEST addr)
|
paddr_d (LONGEST addr)
|
{
|
{
|
if (addr < 0)
|
if (addr < 0)
|
return decimal2str ("-", -addr, 0);
|
return decimal2str ("-", -addr, 0);
|
else
|
else
|
return decimal2str ("", addr, 0);
|
return decimal2str ("", addr, 0);
|
}
|
}
|
|
|
/* Eliminate warning from compiler on 32-bit systems. */
|
/* Eliminate warning from compiler on 32-bit systems. */
|
static int thirty_two = 32;
|
static int thirty_two = 32;
|
|
|
char *
|
char *
|
phex (ULONGEST l, int sizeof_l)
|
phex (ULONGEST l, int sizeof_l)
|
{
|
{
|
char *str;
|
char *str;
|
|
|
switch (sizeof_l)
|
switch (sizeof_l)
|
{
|
{
|
case 8:
|
case 8:
|
str = get_cell ();
|
str = get_cell ();
|
xsnprintf (str, CELLSIZE, "%08lx%08lx",
|
xsnprintf (str, CELLSIZE, "%08lx%08lx",
|
(unsigned long) (l >> thirty_two),
|
(unsigned long) (l >> thirty_two),
|
(unsigned long) (l & 0xffffffff));
|
(unsigned long) (l & 0xffffffff));
|
break;
|
break;
|
case 4:
|
case 4:
|
str = get_cell ();
|
str = get_cell ();
|
xsnprintf (str, CELLSIZE, "%08lx", (unsigned long) l);
|
xsnprintf (str, CELLSIZE, "%08lx", (unsigned long) l);
|
break;
|
break;
|
case 2:
|
case 2:
|
str = get_cell ();
|
str = get_cell ();
|
xsnprintf (str, CELLSIZE, "%04x", (unsigned short) (l & 0xffff));
|
xsnprintf (str, CELLSIZE, "%04x", (unsigned short) (l & 0xffff));
|
break;
|
break;
|
default:
|
default:
|
str = phex (l, sizeof (l));
|
str = phex (l, sizeof (l));
|
break;
|
break;
|
}
|
}
|
|
|
return str;
|
return str;
|
}
|
}
|
|
|
char *
|
char *
|
phex_nz (ULONGEST l, int sizeof_l)
|
phex_nz (ULONGEST l, int sizeof_l)
|
{
|
{
|
char *str;
|
char *str;
|
|
|
switch (sizeof_l)
|
switch (sizeof_l)
|
{
|
{
|
case 8:
|
case 8:
|
{
|
{
|
unsigned long high = (unsigned long) (l >> thirty_two);
|
unsigned long high = (unsigned long) (l >> thirty_two);
|
str = get_cell ();
|
str = get_cell ();
|
if (high == 0)
|
if (high == 0)
|
xsnprintf (str, CELLSIZE, "%lx",
|
xsnprintf (str, CELLSIZE, "%lx",
|
(unsigned long) (l & 0xffffffff));
|
(unsigned long) (l & 0xffffffff));
|
else
|
else
|
xsnprintf (str, CELLSIZE, "%lx%08lx", high,
|
xsnprintf (str, CELLSIZE, "%lx%08lx", high,
|
(unsigned long) (l & 0xffffffff));
|
(unsigned long) (l & 0xffffffff));
|
break;
|
break;
|
}
|
}
|
case 4:
|
case 4:
|
str = get_cell ();
|
str = get_cell ();
|
xsnprintf (str, CELLSIZE, "%lx", (unsigned long) l);
|
xsnprintf (str, CELLSIZE, "%lx", (unsigned long) l);
|
break;
|
break;
|
case 2:
|
case 2:
|
str = get_cell ();
|
str = get_cell ();
|
xsnprintf (str, CELLSIZE, "%x", (unsigned short) (l & 0xffff));
|
xsnprintf (str, CELLSIZE, "%x", (unsigned short) (l & 0xffff));
|
break;
|
break;
|
default:
|
default:
|
str = phex_nz (l, sizeof (l));
|
str = phex_nz (l, sizeof (l));
|
break;
|
break;
|
}
|
}
|
|
|
return str;
|
return str;
|
}
|
}
|
|
|
/* Converts a LONGEST to a C-format hexadecimal literal and stores it
|
/* Converts a LONGEST to a C-format hexadecimal literal and stores it
|
in a static string. Returns a pointer to this string. */
|
in a static string. Returns a pointer to this string. */
|
char *
|
char *
|
hex_string (LONGEST num)
|
hex_string (LONGEST num)
|
{
|
{
|
char *result = get_cell ();
|
char *result = get_cell ();
|
xsnprintf (result, CELLSIZE, "0x%s", phex_nz (num, sizeof (num)));
|
xsnprintf (result, CELLSIZE, "0x%s", phex_nz (num, sizeof (num)));
|
return result;
|
return result;
|
}
|
}
|
|
|
/* Converts a LONGEST number to a C-format hexadecimal literal and
|
/* Converts a LONGEST number to a C-format hexadecimal literal and
|
stores it in a static string. Returns a pointer to this string
|
stores it in a static string. Returns a pointer to this string
|
that is valid until the next call. The number is padded on the
|
that is valid until the next call. The number is padded on the
|
left with 0s to at least WIDTH characters. */
|
left with 0s to at least WIDTH characters. */
|
char *
|
char *
|
hex_string_custom (LONGEST num, int width)
|
hex_string_custom (LONGEST num, int width)
|
{
|
{
|
char *result = get_cell ();
|
char *result = get_cell ();
|
char *result_end = result + CELLSIZE - 1;
|
char *result_end = result + CELLSIZE - 1;
|
const char *hex = phex_nz (num, sizeof (num));
|
const char *hex = phex_nz (num, sizeof (num));
|
int hex_len = strlen (hex);
|
int hex_len = strlen (hex);
|
|
|
if (hex_len > width)
|
if (hex_len > width)
|
width = hex_len;
|
width = hex_len;
|
if (width + 2 >= CELLSIZE)
|
if (width + 2 >= CELLSIZE)
|
internal_error (__FILE__, __LINE__,
|
internal_error (__FILE__, __LINE__,
|
_("hex_string_custom: insufficient space to store result"));
|
_("hex_string_custom: insufficient space to store result"));
|
|
|
strcpy (result_end - width - 2, "0x");
|
strcpy (result_end - width - 2, "0x");
|
memset (result_end - width, '0', width);
|
memset (result_end - width, '0', width);
|
strcpy (result_end - hex_len, hex);
|
strcpy (result_end - hex_len, hex);
|
return result_end - width - 2;
|
return result_end - width - 2;
|
}
|
}
|
|
|
/* Convert VAL to a numeral in the given radix. For
|
/* Convert VAL to a numeral in the given radix. For
|
* radix 10, IS_SIGNED may be true, indicating a signed quantity;
|
* radix 10, IS_SIGNED may be true, indicating a signed quantity;
|
* otherwise VAL is interpreted as unsigned. If WIDTH is supplied,
|
* otherwise VAL is interpreted as unsigned. If WIDTH is supplied,
|
* it is the minimum width (0-padded if needed). USE_C_FORMAT means
|
* it is the minimum width (0-padded if needed). USE_C_FORMAT means
|
* to use C format in all cases. If it is false, then 'x'
|
* to use C format in all cases. If it is false, then 'x'
|
* and 'o' formats do not include a prefix (0x or leading 0). */
|
* and 'o' formats do not include a prefix (0x or leading 0). */
|
|
|
char *
|
char *
|
int_string (LONGEST val, int radix, int is_signed, int width,
|
int_string (LONGEST val, int radix, int is_signed, int width,
|
int use_c_format)
|
int use_c_format)
|
{
|
{
|
switch (radix)
|
switch (radix)
|
{
|
{
|
case 16:
|
case 16:
|
{
|
{
|
char *result;
|
char *result;
|
if (width == 0)
|
if (width == 0)
|
result = hex_string (val);
|
result = hex_string (val);
|
else
|
else
|
result = hex_string_custom (val, width);
|
result = hex_string_custom (val, width);
|
if (! use_c_format)
|
if (! use_c_format)
|
result += 2;
|
result += 2;
|
return result;
|
return result;
|
}
|
}
|
case 10:
|
case 10:
|
{
|
{
|
if (is_signed && val < 0)
|
if (is_signed && val < 0)
|
return decimal2str ("-", -val, width);
|
return decimal2str ("-", -val, width);
|
else
|
else
|
return decimal2str ("", val, width);
|
return decimal2str ("", val, width);
|
}
|
}
|
case 8:
|
case 8:
|
{
|
{
|
char *result = octal2str (val, width);
|
char *result = octal2str (val, width);
|
if (use_c_format || val == 0)
|
if (use_c_format || val == 0)
|
return result;
|
return result;
|
else
|
else
|
return result + 1;
|
return result + 1;
|
}
|
}
|
default:
|
default:
|
internal_error (__FILE__, __LINE__,
|
internal_error (__FILE__, __LINE__,
|
_("failed internal consistency check"));
|
_("failed internal consistency check"));
|
}
|
}
|
}
|
}
|
|
|
/* Convert a CORE_ADDR into a string. */
|
/* Convert a CORE_ADDR into a string. */
|
const char *
|
const char *
|
core_addr_to_string (const CORE_ADDR addr)
|
core_addr_to_string (const CORE_ADDR addr)
|
{
|
{
|
char *str = get_cell ();
|
char *str = get_cell ();
|
strcpy (str, "0x");
|
strcpy (str, "0x");
|
strcat (str, phex (addr, sizeof (addr)));
|
strcat (str, phex (addr, sizeof (addr)));
|
return str;
|
return str;
|
}
|
}
|
|
|
const char *
|
const char *
|
core_addr_to_string_nz (const CORE_ADDR addr)
|
core_addr_to_string_nz (const CORE_ADDR addr)
|
{
|
{
|
char *str = get_cell ();
|
char *str = get_cell ();
|
strcpy (str, "0x");
|
strcpy (str, "0x");
|
strcat (str, phex_nz (addr, sizeof (addr)));
|
strcat (str, phex_nz (addr, sizeof (addr)));
|
return str;
|
return str;
|
}
|
}
|
|
|
/* Convert a string back into a CORE_ADDR. */
|
/* Convert a string back into a CORE_ADDR. */
|
CORE_ADDR
|
CORE_ADDR
|
string_to_core_addr (const char *my_string)
|
string_to_core_addr (const char *my_string)
|
{
|
{
|
int addr_bit = gdbarch_addr_bit (current_gdbarch);
|
int addr_bit = gdbarch_addr_bit (current_gdbarch);
|
CORE_ADDR addr = 0;
|
CORE_ADDR addr = 0;
|
|
|
if (my_string[0] == '0' && tolower (my_string[1]) == 'x')
|
if (my_string[0] == '0' && tolower (my_string[1]) == 'x')
|
{
|
{
|
/* Assume that it is in hex. */
|
/* Assume that it is in hex. */
|
int i;
|
int i;
|
for (i = 2; my_string[i] != '\0'; i++)
|
for (i = 2; my_string[i] != '\0'; i++)
|
{
|
{
|
if (isdigit (my_string[i]))
|
if (isdigit (my_string[i]))
|
addr = (my_string[i] - '0') + (addr * 16);
|
addr = (my_string[i] - '0') + (addr * 16);
|
else if (isxdigit (my_string[i]))
|
else if (isxdigit (my_string[i]))
|
addr = (tolower (my_string[i]) - 'a' + 0xa) + (addr * 16);
|
addr = (tolower (my_string[i]) - 'a' + 0xa) + (addr * 16);
|
else
|
else
|
error (_("invalid hex \"%s\""), my_string);
|
error (_("invalid hex \"%s\""), my_string);
|
}
|
}
|
|
|
/* Not very modular, but if the executable format expects
|
/* Not very modular, but if the executable format expects
|
addresses to be sign-extended, then do so if the address was
|
addresses to be sign-extended, then do so if the address was
|
specified with only 32 significant bits. Really this should
|
specified with only 32 significant bits. Really this should
|
be determined by the target architecture, not by the object
|
be determined by the target architecture, not by the object
|
file. */
|
file. */
|
if (i - 2 == addr_bit / 4
|
if (i - 2 == addr_bit / 4
|
&& exec_bfd
|
&& exec_bfd
|
&& bfd_get_sign_extend_vma (exec_bfd))
|
&& bfd_get_sign_extend_vma (exec_bfd))
|
addr = (addr ^ ((CORE_ADDR) 1 << (addr_bit - 1)))
|
addr = (addr ^ ((CORE_ADDR) 1 << (addr_bit - 1)))
|
- ((CORE_ADDR) 1 << (addr_bit - 1));
|
- ((CORE_ADDR) 1 << (addr_bit - 1));
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Assume that it is in decimal. */
|
/* Assume that it is in decimal. */
|
int i;
|
int i;
|
for (i = 0; my_string[i] != '\0'; i++)
|
for (i = 0; my_string[i] != '\0'; i++)
|
{
|
{
|
if (isdigit (my_string[i]))
|
if (isdigit (my_string[i]))
|
addr = (my_string[i] - '0') + (addr * 10);
|
addr = (my_string[i] - '0') + (addr * 10);
|
else
|
else
|
error (_("invalid decimal \"%s\""), my_string);
|
error (_("invalid decimal \"%s\""), my_string);
|
}
|
}
|
}
|
}
|
|
|
return addr;
|
return addr;
|
}
|
}
|
|
|
char *
|
char *
|
gdb_realpath (const char *filename)
|
gdb_realpath (const char *filename)
|
{
|
{
|
/* Method 1: The system has a compile time upper bound on a filename
|
/* Method 1: The system has a compile time upper bound on a filename
|
path. Use that and realpath() to canonicalize the name. This is
|
path. Use that and realpath() to canonicalize the name. This is
|
the most common case. Note that, if there isn't a compile time
|
the most common case. Note that, if there isn't a compile time
|
upper bound, you want to avoid realpath() at all costs. */
|
upper bound, you want to avoid realpath() at all costs. */
|
#if defined(HAVE_REALPATH)
|
#if defined(HAVE_REALPATH)
|
{
|
{
|
# if defined (PATH_MAX)
|
# if defined (PATH_MAX)
|
char buf[PATH_MAX];
|
char buf[PATH_MAX];
|
# define USE_REALPATH
|
# define USE_REALPATH
|
# elif defined (MAXPATHLEN)
|
# elif defined (MAXPATHLEN)
|
char buf[MAXPATHLEN];
|
char buf[MAXPATHLEN];
|
# define USE_REALPATH
|
# define USE_REALPATH
|
# endif
|
# endif
|
# if defined (USE_REALPATH)
|
# if defined (USE_REALPATH)
|
const char *rp = realpath (filename, buf);
|
const char *rp = realpath (filename, buf);
|
if (rp == NULL)
|
if (rp == NULL)
|
rp = filename;
|
rp = filename;
|
return xstrdup (rp);
|
return xstrdup (rp);
|
# endif
|
# endif
|
}
|
}
|
#endif /* HAVE_REALPATH */
|
#endif /* HAVE_REALPATH */
|
|
|
/* Method 2: The host system (i.e., GNU) has the function
|
/* Method 2: The host system (i.e., GNU) has the function
|
canonicalize_file_name() which malloc's a chunk of memory and
|
canonicalize_file_name() which malloc's a chunk of memory and
|
returns that, use that. */
|
returns that, use that. */
|
#if defined(HAVE_CANONICALIZE_FILE_NAME)
|
#if defined(HAVE_CANONICALIZE_FILE_NAME)
|
{
|
{
|
char *rp = canonicalize_file_name (filename);
|
char *rp = canonicalize_file_name (filename);
|
if (rp == NULL)
|
if (rp == NULL)
|
return xstrdup (filename);
|
return xstrdup (filename);
|
else
|
else
|
return rp;
|
return rp;
|
}
|
}
|
#endif
|
#endif
|
|
|
/* FIXME: cagney/2002-11-13:
|
/* FIXME: cagney/2002-11-13:
|
|
|
Method 2a: Use realpath() with a NULL buffer. Some systems, due
|
Method 2a: Use realpath() with a NULL buffer. Some systems, due
|
to the problems described in in method 3, have modified their
|
to the problems described in in method 3, have modified their
|
realpath() implementation so that it will allocate a buffer when
|
realpath() implementation so that it will allocate a buffer when
|
NULL is passed in. Before this can be used, though, some sort of
|
NULL is passed in. Before this can be used, though, some sort of
|
configure time test would need to be added. Otherwize the code
|
configure time test would need to be added. Otherwize the code
|
will likely core dump. */
|
will likely core dump. */
|
|
|
/* Method 3: Now we're getting desperate! The system doesn't have a
|
/* Method 3: Now we're getting desperate! The system doesn't have a
|
compile time buffer size and no alternative function. Query the
|
compile time buffer size and no alternative function. Query the
|
OS, using pathconf(), for the buffer limit. Care is needed
|
OS, using pathconf(), for the buffer limit. Care is needed
|
though, some systems do not limit PATH_MAX (return -1 for
|
though, some systems do not limit PATH_MAX (return -1 for
|
pathconf()) making it impossible to pass a correctly sized buffer
|
pathconf()) making it impossible to pass a correctly sized buffer
|
to realpath() (it could always overflow). On those systems, we
|
to realpath() (it could always overflow). On those systems, we
|
skip this. */
|
skip this. */
|
#if defined (HAVE_REALPATH) && defined (HAVE_UNISTD_H) && defined(HAVE_ALLOCA)
|
#if defined (HAVE_REALPATH) && defined (HAVE_UNISTD_H) && defined(HAVE_ALLOCA)
|
{
|
{
|
/* Find out the max path size. */
|
/* Find out the max path size. */
|
long path_max = pathconf ("/", _PC_PATH_MAX);
|
long path_max = pathconf ("/", _PC_PATH_MAX);
|
if (path_max > 0)
|
if (path_max > 0)
|
{
|
{
|
/* PATH_MAX is bounded. */
|
/* PATH_MAX is bounded. */
|
char *buf = alloca (path_max);
|
char *buf = alloca (path_max);
|
char *rp = realpath (filename, buf);
|
char *rp = realpath (filename, buf);
|
return xstrdup (rp ? rp : filename);
|
return xstrdup (rp ? rp : filename);
|
}
|
}
|
}
|
}
|
#endif
|
#endif
|
|
|
/* This system is a lost cause, just dup the buffer. */
|
/* This system is a lost cause, just dup the buffer. */
|
return xstrdup (filename);
|
return xstrdup (filename);
|
}
|
}
|
|
|
/* Return a copy of FILENAME, with its directory prefix canonicalized
|
/* Return a copy of FILENAME, with its directory prefix canonicalized
|
by gdb_realpath. */
|
by gdb_realpath. */
|
|
|
char *
|
char *
|
xfullpath (const char *filename)
|
xfullpath (const char *filename)
|
{
|
{
|
const char *base_name = lbasename (filename);
|
const char *base_name = lbasename (filename);
|
char *dir_name;
|
char *dir_name;
|
char *real_path;
|
char *real_path;
|
char *result;
|
char *result;
|
|
|
/* Extract the basename of filename, and return immediately
|
/* Extract the basename of filename, and return immediately
|
a copy of filename if it does not contain any directory prefix. */
|
a copy of filename if it does not contain any directory prefix. */
|
if (base_name == filename)
|
if (base_name == filename)
|
return xstrdup (filename);
|
return xstrdup (filename);
|
|
|
dir_name = alloca ((size_t) (base_name - filename + 2));
|
dir_name = alloca ((size_t) (base_name - filename + 2));
|
/* Allocate enough space to store the dir_name + plus one extra
|
/* Allocate enough space to store the dir_name + plus one extra
|
character sometimes needed under Windows (see below), and
|
character sometimes needed under Windows (see below), and
|
then the closing \000 character */
|
then the closing \000 character */
|
strncpy (dir_name, filename, base_name - filename);
|
strncpy (dir_name, filename, base_name - filename);
|
dir_name[base_name - filename] = '\000';
|
dir_name[base_name - filename] = '\000';
|
|
|
#ifdef HAVE_DOS_BASED_FILE_SYSTEM
|
#ifdef HAVE_DOS_BASED_FILE_SYSTEM
|
/* We need to be careful when filename is of the form 'd:foo', which
|
/* We need to be careful when filename is of the form 'd:foo', which
|
is equivalent of d:./foo, which is totally different from d:/foo. */
|
is equivalent of d:./foo, which is totally different from d:/foo. */
|
if (strlen (dir_name) == 2 && isalpha (dir_name[0]) && dir_name[1] == ':')
|
if (strlen (dir_name) == 2 && isalpha (dir_name[0]) && dir_name[1] == ':')
|
{
|
{
|
dir_name[2] = '.';
|
dir_name[2] = '.';
|
dir_name[3] = '\000';
|
dir_name[3] = '\000';
|
}
|
}
|
#endif
|
#endif
|
|
|
/* Canonicalize the directory prefix, and build the resulting
|
/* Canonicalize the directory prefix, and build the resulting
|
filename. If the dirname realpath already contains an ending
|
filename. If the dirname realpath already contains an ending
|
directory separator, avoid doubling it. */
|
directory separator, avoid doubling it. */
|
real_path = gdb_realpath (dir_name);
|
real_path = gdb_realpath (dir_name);
|
if (IS_DIR_SEPARATOR (real_path[strlen (real_path) - 1]))
|
if (IS_DIR_SEPARATOR (real_path[strlen (real_path) - 1]))
|
result = concat (real_path, base_name, (char *)NULL);
|
result = concat (real_path, base_name, (char *)NULL);
|
else
|
else
|
result = concat (real_path, SLASH_STRING, base_name, (char *)NULL);
|
result = concat (real_path, SLASH_STRING, base_name, (char *)NULL);
|
|
|
xfree (real_path);
|
xfree (real_path);
|
return result;
|
return result;
|
}
|
}
|
|
|
|
|
/* This is the 32-bit CRC function used by the GNU separate debug
|
/* This is the 32-bit CRC function used by the GNU separate debug
|
facility. An executable may contain a section named
|
facility. An executable may contain a section named
|
.gnu_debuglink, which holds the name of a separate executable file
|
.gnu_debuglink, which holds the name of a separate executable file
|
containing its debug info, and a checksum of that file's contents,
|
containing its debug info, and a checksum of that file's contents,
|
computed using this function. */
|
computed using this function. */
|
unsigned long
|
unsigned long
|
gnu_debuglink_crc32 (unsigned long crc, unsigned char *buf, size_t len)
|
gnu_debuglink_crc32 (unsigned long crc, unsigned char *buf, size_t len)
|
{
|
{
|
static const unsigned long crc32_table[256] = {
|
static const unsigned long crc32_table[256] = {
|
0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419,
|
0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419,
|
0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4,
|
0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4,
|
0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07,
|
0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07,
|
0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de,
|
0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de,
|
0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856,
|
0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856,
|
0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
|
0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
|
0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4,
|
0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4,
|
0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
|
0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
|
0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3,
|
0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3,
|
0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a,
|
0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a,
|
0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599,
|
0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599,
|
0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
|
0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
|
0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190,
|
0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190,
|
0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f,
|
0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f,
|
0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e,
|
0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e,
|
0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
|
0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
|
0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed,
|
0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed,
|
0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
|
0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
|
0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3,
|
0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3,
|
0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2,
|
0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2,
|
0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a,
|
0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a,
|
0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5,
|
0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5,
|
0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010,
|
0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010,
|
0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
|
0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
|
0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17,
|
0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17,
|
0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6,
|
0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6,
|
0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615,
|
0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615,
|
0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8,
|
0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8,
|
0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344,
|
0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344,
|
0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
|
0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
|
0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a,
|
0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a,
|
0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
|
0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
|
0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1,
|
0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1,
|
0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c,
|
0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c,
|
0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef,
|
0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef,
|
0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
|
0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
|
0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe,
|
0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe,
|
0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31,
|
0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31,
|
0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c,
|
0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c,
|
0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
|
0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
|
0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b,
|
0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b,
|
0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
|
0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
|
0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1,
|
0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1,
|
0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c,
|
0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c,
|
0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278,
|
0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278,
|
0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7,
|
0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7,
|
0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66,
|
0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66,
|
0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
|
0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
|
0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605,
|
0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605,
|
0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8,
|
0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8,
|
0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b,
|
0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b,
|
0x2d02ef8d
|
0x2d02ef8d
|
};
|
};
|
unsigned char *end;
|
unsigned char *end;
|
|
|
crc = ~crc & 0xffffffff;
|
crc = ~crc & 0xffffffff;
|
for (end = buf + len; buf < end; ++buf)
|
for (end = buf + len; buf < end; ++buf)
|
crc = crc32_table[(crc ^ *buf) & 0xff] ^ (crc >> 8);
|
crc = crc32_table[(crc ^ *buf) & 0xff] ^ (crc >> 8);
|
return ~crc & 0xffffffff;;
|
return ~crc & 0xffffffff;;
|
}
|
}
|
|
|
ULONGEST
|
ULONGEST
|
align_up (ULONGEST v, int n)
|
align_up (ULONGEST v, int n)
|
{
|
{
|
/* Check that N is really a power of two. */
|
/* Check that N is really a power of two. */
|
gdb_assert (n && (n & (n-1)) == 0);
|
gdb_assert (n && (n & (n-1)) == 0);
|
return (v + n - 1) & -n;
|
return (v + n - 1) & -n;
|
}
|
}
|
|
|
ULONGEST
|
ULONGEST
|
align_down (ULONGEST v, int n)
|
align_down (ULONGEST v, int n)
|
{
|
{
|
/* Check that N is really a power of two. */
|
/* Check that N is really a power of two. */
|
gdb_assert (n && (n & (n-1)) == 0);
|
gdb_assert (n && (n & (n-1)) == 0);
|
return (v & -n);
|
return (v & -n);
|
}
|
}
|
|
|
/* Allocation function for the libiberty hash table which uses an
|
/* Allocation function for the libiberty hash table which uses an
|
obstack. The obstack is passed as DATA. */
|
obstack. The obstack is passed as DATA. */
|
|
|
void *
|
void *
|
hashtab_obstack_allocate (void *data, size_t size, size_t count)
|
hashtab_obstack_allocate (void *data, size_t size, size_t count)
|
{
|
{
|
unsigned int total = size * count;
|
unsigned int total = size * count;
|
void *ptr = obstack_alloc ((struct obstack *) data, total);
|
void *ptr = obstack_alloc ((struct obstack *) data, total);
|
memset (ptr, 0, total);
|
memset (ptr, 0, total);
|
return ptr;
|
return ptr;
|
}
|
}
|
|
|
/* Trivial deallocation function for the libiberty splay tree and hash
|
/* Trivial deallocation function for the libiberty splay tree and hash
|
table - don't deallocate anything. Rely on later deletion of the
|
table - don't deallocate anything. Rely on later deletion of the
|
obstack. DATA will be the obstack, although it is not needed
|
obstack. DATA will be the obstack, although it is not needed
|
here. */
|
here. */
|
|
|
void
|
void
|
dummy_obstack_deallocate (void *object, void *data)
|
dummy_obstack_deallocate (void *object, void *data)
|
{
|
{
|
return;
|
return;
|
}
|
}
|
|
|
/* The bit offset of the highest byte in a ULONGEST, for overflow
|
/* The bit offset of the highest byte in a ULONGEST, for overflow
|
checking. */
|
checking. */
|
|
|
#define HIGH_BYTE_POSN ((sizeof (ULONGEST) - 1) * HOST_CHAR_BIT)
|
#define HIGH_BYTE_POSN ((sizeof (ULONGEST) - 1) * HOST_CHAR_BIT)
|
|
|
/* True (non-zero) iff DIGIT is a valid digit in radix BASE,
|
/* True (non-zero) iff DIGIT is a valid digit in radix BASE,
|
where 2 <= BASE <= 36. */
|
where 2 <= BASE <= 36. */
|
|
|
static int
|
static int
|
is_digit_in_base (unsigned char digit, int base)
|
is_digit_in_base (unsigned char digit, int base)
|
{
|
{
|
if (!isalnum (digit))
|
if (!isalnum (digit))
|
return 0;
|
return 0;
|
if (base <= 10)
|
if (base <= 10)
|
return (isdigit (digit) && digit < base + '0');
|
return (isdigit (digit) && digit < base + '0');
|
else
|
else
|
return (isdigit (digit) || tolower (digit) < base - 10 + 'a');
|
return (isdigit (digit) || tolower (digit) < base - 10 + 'a');
|
}
|
}
|
|
|
static int
|
static int
|
digit_to_int (unsigned char c)
|
digit_to_int (unsigned char c)
|
{
|
{
|
if (isdigit (c))
|
if (isdigit (c))
|
return c - '0';
|
return c - '0';
|
else
|
else
|
return tolower (c) - 'a' + 10;
|
return tolower (c) - 'a' + 10;
|
}
|
}
|
|
|
/* As for strtoul, but for ULONGEST results. */
|
/* As for strtoul, but for ULONGEST results. */
|
|
|
ULONGEST
|
ULONGEST
|
strtoulst (const char *num, const char **trailer, int base)
|
strtoulst (const char *num, const char **trailer, int base)
|
{
|
{
|
unsigned int high_part;
|
unsigned int high_part;
|
ULONGEST result;
|
ULONGEST result;
|
int minus = 0;
|
int minus = 0;
|
int i = 0;
|
int i = 0;
|
|
|
/* Skip leading whitespace. */
|
/* Skip leading whitespace. */
|
while (isspace (num[i]))
|
while (isspace (num[i]))
|
i++;
|
i++;
|
|
|
/* Handle prefixes. */
|
/* Handle prefixes. */
|
if (num[i] == '+')
|
if (num[i] == '+')
|
i++;
|
i++;
|
else if (num[i] == '-')
|
else if (num[i] == '-')
|
{
|
{
|
minus = 1;
|
minus = 1;
|
i++;
|
i++;
|
}
|
}
|
|
|
if (base == 0 || base == 16)
|
if (base == 0 || base == 16)
|
{
|
{
|
if (num[i] == '0' && (num[i + 1] == 'x' || num[i + 1] == 'X'))
|
if (num[i] == '0' && (num[i + 1] == 'x' || num[i + 1] == 'X'))
|
{
|
{
|
i += 2;
|
i += 2;
|
if (base == 0)
|
if (base == 0)
|
base = 16;
|
base = 16;
|
}
|
}
|
}
|
}
|
|
|
if (base == 0 && num[i] == '0')
|
if (base == 0 && num[i] == '0')
|
base = 8;
|
base = 8;
|
|
|
if (base == 0)
|
if (base == 0)
|
base = 10;
|
base = 10;
|
|
|
if (base < 2 || base > 36)
|
if (base < 2 || base > 36)
|
{
|
{
|
errno = EINVAL;
|
errno = EINVAL;
|
return 0;
|
return 0;
|
}
|
}
|
|
|
result = high_part = 0;
|
result = high_part = 0;
|
for (; is_digit_in_base (num[i], base); i += 1)
|
for (; is_digit_in_base (num[i], base); i += 1)
|
{
|
{
|
result = result * base + digit_to_int (num[i]);
|
result = result * base + digit_to_int (num[i]);
|
high_part = high_part * base + (unsigned int) (result >> HIGH_BYTE_POSN);
|
high_part = high_part * base + (unsigned int) (result >> HIGH_BYTE_POSN);
|
result &= ((ULONGEST) 1 << HIGH_BYTE_POSN) - 1;
|
result &= ((ULONGEST) 1 << HIGH_BYTE_POSN) - 1;
|
if (high_part > 0xff)
|
if (high_part > 0xff)
|
{
|
{
|
errno = ERANGE;
|
errno = ERANGE;
|
result = ~ (ULONGEST) 0;
|
result = ~ (ULONGEST) 0;
|
high_part = 0;
|
high_part = 0;
|
minus = 0;
|
minus = 0;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
if (trailer != NULL)
|
if (trailer != NULL)
|
*trailer = &num[i];
|
*trailer = &num[i];
|
|
|
result = result + ((ULONGEST) high_part << HIGH_BYTE_POSN);
|
result = result + ((ULONGEST) high_part << HIGH_BYTE_POSN);
|
if (minus)
|
if (minus)
|
return -result;
|
return -result;
|
else
|
else
|
return result;
|
return result;
|
}
|
}
|
|
|
/* Simple, portable version of dirname that does not modify its
|
/* Simple, portable version of dirname that does not modify its
|
argument. */
|
argument. */
|
|
|
char *
|
char *
|
ldirname (const char *filename)
|
ldirname (const char *filename)
|
{
|
{
|
const char *base = lbasename (filename);
|
const char *base = lbasename (filename);
|
char *dirname;
|
char *dirname;
|
|
|
while (base > filename && IS_DIR_SEPARATOR (base[-1]))
|
while (base > filename && IS_DIR_SEPARATOR (base[-1]))
|
--base;
|
--base;
|
|
|
if (base == filename)
|
if (base == filename)
|
return NULL;
|
return NULL;
|
|
|
dirname = xmalloc (base - filename + 2);
|
dirname = xmalloc (base - filename + 2);
|
memcpy (dirname, filename, base - filename);
|
memcpy (dirname, filename, base - filename);
|
|
|
/* On DOS based file systems, convert "d:foo" to "d:.", so that we
|
/* On DOS based file systems, convert "d:foo" to "d:.", so that we
|
create "d:./bar" later instead of the (different) "d:/bar". */
|
create "d:./bar" later instead of the (different) "d:/bar". */
|
if (base - filename == 2 && IS_ABSOLUTE_PATH (base)
|
if (base - filename == 2 && IS_ABSOLUTE_PATH (base)
|
&& !IS_DIR_SEPARATOR (filename[0]))
|
&& !IS_DIR_SEPARATOR (filename[0]))
|
dirname[base++ - filename] = '.';
|
dirname[base++ - filename] = '.';
|
|
|
dirname[base - filename] = '\0';
|
dirname[base - filename] = '\0';
|
return dirname;
|
return dirname;
|
}
|
}
|
|
|
