gdb/filesystem.c

   1 /* Handle different target file systems for GDB, the GNU Debugger.
   2
   3    Copyright (C) 2010-2019 Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 #include "defs.h"
  21
  22 /* Local non-gdb includes.  */
  23 #include "filesystem.h"
  24 #include "gdbarch.h"
  25 #include "gdbcmd.h"
  26
  27 const char file_system_kind_auto[] = "auto";
  28 const char file_system_kind_unix[] = "unix";
  29 const char file_system_kind_dos_based[] = "dos-based";
  30 const char *const target_file_system_kinds[] =
  31 {
  32   file_system_kind_auto,
  33   file_system_kind_unix,
  34   file_system_kind_dos_based,
  35   NULL
  36 };
  37 const char *target_file_system_kind = file_system_kind_auto;
  38
  39 const char *
  40 effective_target_file_system_kind (void)
  41 {
  42   if (target_file_system_kind == file_system_kind_auto)
  43     {
  44       if (gdbarch_has_dos_based_file_system (target_gdbarch ()))
  45         return file_system_kind_dos_based;
  46       else
  47         return file_system_kind_unix;
  48     }
  49   else
  50     return target_file_system_kind;
  51 }
  52
  53 const char *
  54 target_lbasename (const char *kind, const char *name)
  55 {
  56   if (kind == file_system_kind_dos_based)
  57     return dos_lbasename (name);
  58   else
  59     return unix_lbasename (name);
  60 }
  61
  62 static void
  63 show_target_file_system_kind_command (struct ui_file *file,
  64                                       int from_tty,
  65                                       struct cmd_list_element *c,
  66                                       const char *value)
  67 {
  68   if (target_file_system_kind == file_system_kind_auto)
  69     fprintf_filtered (file, _("\
  70 The assumed file system kind for target reported file names \
  71 is \"%s\" (currently \"%s\").\n"),
  72                       value,
  73                       effective_target_file_system_kind ());
  74   else
  75     fprintf_filtered (file, _("\
  76 The assumed file system kind for target reported file names \
  77 is \"%s\".\n"),
  78                       value);
  79 }
  80
  81 void
  82 _initialize_filesystem (void)
  83 {
  84   add_setshow_enum_cmd ("target-file-system-kind",
  85                         class_files,
  86                         target_file_system_kinds,
  87                         &target_file_system_kind, _("\
  88 Set assumed file system kind for target reported file names"), _("\
  89 Show assumed file system kind for target reported file names"),
  90                         _("\
  91 If `unix', target file names (e.g., loaded shared library file names)\n\
  92 starting the forward slash (`/') character are considered absolute,\n\
  93 and the directory separator character is the forward slash (`/').  If\n\
  94 `dos-based', target file names starting with a drive letter followed\n\
  95 by a colon (e.g., `c:'), are also considered absolute, and the\n\
  96 backslash (`\\') is also considered a directory separator.  Set to\n\
  97 `auto' (which is the default), to let GDB decide, based on its\n\
  98 knowledge of the target operating system."),
  99                         NULL, /* setfunc */
 100                         show_target_file_system_kind_command,
 101                         &setlist, &showlist);
 102 }