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      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 }
     99