gdb/cp-abi.c

   1 /* Generic code for supporting multiple C++ ABI's
   2    Copyright 2001 Free Software Foundation, Inc.
   3
   4    This file is part of GDB.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 59 Temple Place - Suite 330,
  19    Boston, MA 02111-1307, USA.  */
  20
  21 #include "defs.h"
  22 #include "value.h"
  23 #include "cp-abi.h"
  24
  25 struct cp_abi_ops current_cp_abi;
  26
  27 struct cp_abi_ops *cp_abis;
  28
  29 int num_cp_abis = 0;
  30
  31 enum ctor_kinds
  32 is_constructor_name (const char *name)
  33 {
  34   if ((current_cp_abi.is_constructor_name) == NULL)
  35     error ("ABI doesn't define required function is_constructor_name");
  36   return (*current_cp_abi.is_constructor_name) (name);
  37 }
  38
  39 enum dtor_kinds
  40 is_destructor_name (const char *name)
  41 {
  42   if ((current_cp_abi.is_destructor_name) == NULL)
  43     error ("ABI doesn't define required function is_destructor_name");
  44   return (*current_cp_abi.is_destructor_name) (name);
  45 }
  46
  47 int
  48 is_vtable_name (const char *name)
  49 {
  50   if ((current_cp_abi.is_vtable_name) == NULL)
  51     error ("ABI doesn't define required function is_vtable_name");
  52   return (*current_cp_abi.is_vtable_name) (name);
  53 }
  54
  55 int
  56 is_operator_name (const char *name)
  57 {
  58   if ((current_cp_abi.is_operator_name) == NULL)
  59     error ("ABI doesn't define required function is_operator_name");
  60   return (*current_cp_abi.is_operator_name) (name);
  61 }
  62
  63 struct value *
  64 value_virtual_fn_field (struct value **arg1p, struct fn_field * f, int j,
  65                         struct type * type, int offset)
  66 {
  67   if ((current_cp_abi.virtual_fn_field) == NULL)
  68     return NULL;
  69   return (*current_cp_abi.virtual_fn_field) (arg1p, f, j, type, offset);
  70 }
  71 struct type *
  72 value_rtti_type (struct value *v, int *full, int *top, int *using_enc)
  73 {
  74   if ((current_cp_abi.rtti_type) == NULL)
  75     return NULL;
  76   return (*current_cp_abi.rtti_type) (v, full, top, using_enc);
  77 }
  78
  79 int
  80 register_cp_abi (struct cp_abi_ops abi)
  81 {
  82   cp_abis =
  83     xrealloc (cp_abis, (num_cp_abis + 1) * sizeof (struct cp_abi_ops));
  84   cp_abis[num_cp_abis++] = abi;
  85
  86   return 1;
  87
  88 }
  89
  90 int
  91 switch_to_cp_abi (const char *short_name)
  92 {
  93   int i;
  94   for (i = 0; i < num_cp_abis; i++)
  95     if (strcmp (cp_abis[i].shortname, short_name) == 0)
  96       current_cp_abi = cp_abis[i];
  97   return 1;
  98 }
  99