gdb/filesystem.c

   1 /* Handle different target file systems for GDB, the GNU Debugger.
   2
   3    Copyright (C) 2010-2020 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 #include "filesystem.h"
  22 #include "gdbarch.h"
  23 #include "gdbcmd.h"
  24
  25 const char file_system_kind_auto[] = "auto";
  26 const char file_system_kind_unix[] = "unix";
  27 const char file_system_kind_dos_based[] = "dos-based";
  28 const char *const target_file_system_kinds[] =
  29 {
  30   file_system_kind_auto,
  31   file_system_kind_unix,
  32   file_system_kind_dos_based,
  33   NULL
  34 };
  35 const char *target_file_system_kind = file_system_kind_auto;
  36
  37 const char *
  38 effective_target_file_system_kind (void)
  39 {
  40   if (target_file_system_kind == file_system_kind_auto)
  41     {
  42       if (gdbarch_has_dos_based_file_system (target_gdbarch ()))
  43         return file_system_kind_dos_based;
  44       else
  45         return file_system_kind_unix;
  46     }
  47   else
  48     return target_file_system_kind;
  49 }
  50
  51 const char *
  52 target_lbasename (const char *kind, const char *name)
  53 {
  54   if (kind == file_system_kind_dos_based)
  55     return dos_lbasename (name);
  56   else
  57     return unix_lbasename (name);
  58 }
  59
  60 static void
  61 show_target_file_system_kind_command (struct ui_file *file,
  62                                       int from_tty,
  63                                       struct cmd_list_element *c,
  64                                       const char *value)
  65 {
  66   if (target_file_system_kind == file_system_kind_auto)
  67     fprintf_filtered (file, _("\
  68 The assumed file system kind for target reported file names \
  69 is \"%s\" (currently \"%s\").\n"),
  70                       value,
  71                       effective_target_file_system_kind ());
  72   else
  73     fprintf_filtered (file, _("\
  74 The assumed file system kind for target reported file names \
  75 is \"%s\".\n"),
  76                       value);
  77 }
  78
  79 void
  80 _initialize_filesystem (void)
  81 {
  82   add_setshow_enum_cmd ("target-file-system-kind",
  83                         class_files,
  84                         target_file_system_kinds,
  85                         &target_file_system_kind, _("\
  86 Set assumed file system kind for target reported file names."), _("\
  87 Show assumed file system kind for target reported file names."),
  88                         _("\
  89 If `unix', target file names (e.g., loaded shared library file names)\n\
  90 starting the forward slash (`/') character are considered absolute,\n\
  91 and the directory separator character is the forward slash (`/').  If\n\
  92 `dos-based', target file names starting with a drive letter followed\n\
  93 by a colon (e.g., `c:'), are also considered absolute, and the\n\
  94 backslash (`\\') is also considered a directory separator.  Set to\n\
  95 `auto' (which is the default), to let GDB decide, based on its\n\
  96 knowledge of the target operating system."),
  97                         NULL, /* setfunc */
  98                         show_target_file_system_kind_command,
  99                         &setlist, &showlist);
 100 }