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 #include "gdb_string.h"
  25
  26 struct cp_abi_ops current_cp_abi;
  27
  28 struct cp_abi_ops *cp_abis;
  29
  30 int num_cp_abis = 0;
  31
  32 enum ctor_kinds
  33 is_constructor_name (const char *name)
  34 {
  35   if ((current_cp_abi.is_constructor_name) == NULL)
  36     error ("ABI doesn't define required function is_constructor_name");
  37   return (*current_cp_abi.is_constructor_name) (name);
  38 }
  39
  40 enum dtor_kinds
  41 is_destructor_name (const char *name)
  42 {
  43   if ((current_cp_abi.is_destructor_name) == NULL)
  44     error ("ABI doesn't define required function is_destructor_name");
  45   return (*current_cp_abi.is_destructor_name) (name);
  46 }
  47
  48 int
  49 is_vtable_name (const char *name)
  50 {
  51   if ((current_cp_abi.is_vtable_name) == NULL)
  52     error ("ABI doesn't define required function is_vtable_name");
  53   return (*current_cp_abi.is_vtable_name) (name);
  54 }
  55
  56 int
  57 is_operator_name (const char *name)
  58 {
  59   if ((current_cp_abi.is_operator_name) == NULL)
  60     error ("ABI doesn't define required function is_operator_name");
  61   return (*current_cp_abi.is_operator_name) (name);
  62 }
  63
  64 int
  65 baseclass_offset (struct type *type, int index, char *valaddr,
  66                   CORE_ADDR address)
  67 {
  68   if (current_cp_abi.baseclass_offset == NULL)
  69     error ("ABI doesn't define required function baseclass_offset");
  70   return (*current_cp_abi.baseclass_offset) (type, index, valaddr, address);
  71 }
  72
  73 struct value *
  74 value_virtual_fn_field (struct value **arg1p, struct fn_field * f, int j,
  75                         struct type * type, int offset)
  76 {
  77   if ((current_cp_abi.virtual_fn_field) == NULL)
  78     return NULL;
  79   return (*current_cp_abi.virtual_fn_field) (arg1p, f, j, type, offset);
  80 }
  81
  82 struct type *
  83 value_rtti_type (struct value *v, int *full, int *top, int *using_enc)
  84 {
  85   if ((current_cp_abi.rtti_type) == NULL)
  86     return NULL;
  87   return (*current_cp_abi.rtti_type) (v, full, top, using_enc);
  88 }
  89
  90 int
  91 register_cp_abi (struct cp_abi_ops abi)
  92 {
  93   cp_abis =
  94     xrealloc (cp_abis, (num_cp_abis + 1) * sizeof (struct cp_abi_ops));
  95   cp_abis[num_cp_abis++] = abi;
  96
  97   return 1;
  98
  99 }
 100
 101 int
 102 switch_to_cp_abi (const char *short_name)
 103 {
 104   int i;
 105   for (i = 0; i < num_cp_abis; i++)
 106     if (strcmp (cp_abis[i].shortname, short_name) == 0)
 107       current_cp_abi = cp_abis[i];
 108   return 1;
 109 }
 110