gdbsupport/osabi.cc

   1 /* OS ABI variant handling for GDB and gdbserver.
   2
   3    Copyright (C) 2001-2024 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 "gdbsupport/osabi.h"
  21
  22 /* Names associated with each osabi.  */
  23
  24 struct osabi_names
  25 {
  26   /* The "pretty" name.  */
  27
  28   const char *pretty;
  29
  30   /* The triplet regexp, or NULL if not known.  */
  31
  32   const char *regexp;
  33 };
  34
  35 /* This table matches the indices assigned to enum gdb_osabi.  Keep
  36    them in sync.  */
  37 static const struct osabi_names gdb_osabi_names[] =
  38 {
  39 #define GDB_OSABI_DEF_FIRST(Enum, Name, Regex)  \
  40   { Name, Regex },
  41
  42 #define GDB_OSABI_DEF(Enum, Name, Regex)        \
  43   { Name, Regex },
  44
  45 #define GDB_OSABI_DEF_LAST(Enum, Name, Regex)   \
  46   { Name, Regex }
  47
  48 #include "gdbsupport/osabi.def"
  49
  50 #undef GDB_OSABI_DEF_LAST
  51 #undef GDB_OSABI_DEF
  52 #undef GDB_OSABI_DEF_FIRST
  53 };
  54
  55 /* See gdbsupport/osabi.h.  */
  56
  57 const char *
  58 gdbarch_osabi_name (enum gdb_osabi osabi)
  59 {
  60   if (osabi >= GDB_OSABI_UNKNOWN && osabi < GDB_OSABI_INVALID)
  61     return gdb_osabi_names[osabi].pretty;
  62
  63   return gdb_osabi_names[GDB_OSABI_INVALID].pretty;
  64 }
  65
  66 /* See gdbsupport/osabi.h.  */
  67
  68 enum gdb_osabi
  69 osabi_from_tdesc_string (const char *name)
  70 {
  71   int i;
  72
  73   for (i = 0; i < ARRAY_SIZE (gdb_osabi_names); i++)
  74     if (strcmp (name, gdb_osabi_names[i].pretty) == 0)
  75       {
  76         /* See note above: the name table matches the indices assigned
  77            to enum gdb_osabi.  */
  78         enum gdb_osabi osabi = (enum gdb_osabi) i;
  79
  80         if (osabi == GDB_OSABI_INVALID)
  81           return GDB_OSABI_UNKNOWN;
  82         else
  83           return osabi;
  84       }
  85
  86   return GDB_OSABI_UNKNOWN;
  87 }
  88
  89 /* See gdbsupport/osabi.h.  */
  90
  91 const char *
  92 osabi_triplet_regexp (enum gdb_osabi osabi)
  93 {
  94   if (osabi >= GDB_OSABI_UNKNOWN && osabi < GDB_OSABI_INVALID)
  95     return gdb_osabi_names[osabi].regexp;
  96
  97   return gdb_osabi_names[GDB_OSABI_INVALID].regexp;
  98 }