gnu/lib/libstdc++-v3_4/arch/arm/cxxabi_tweaks.h

   1 /* This file is automatically generated.  DO NOT EDIT! */
   2 /* Generated from:      NetBSD: mknative-gcc,v 1.22 2006/06/25 03:06:15 mrg Exp  */
   3 /* Generated from: NetBSD: mknative.common,v 1.8 2006/05/26 19:17:21 mrg Exp  */
   4
   5 // Control various target specific ABI tweaks.  ARM version.
   6
   7 // Copyright (C) 2004, 2006 Free Software Foundation, Inc.
   8 //
   9 // This file is part of the GNU ISO C++ Library.  This library is free
  10 // software; you can redistribute it and/or modify it under the
  11 // terms of the GNU General Public License as published by the
  12 // Free Software Foundation; either version 2, or (at your option)
  13 // any later version.
  14
  15 // This library is distributed in the hope that it will be useful,
  16 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 // GNU General Public License for more details.
  19
  20 // You should have received a copy of the GNU General Public License along
  21 // with this library; see the file COPYING.  If not, write to the Free
  22 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  23 // USA.
  24
  25 // As a special exception, you may use this file as part of a free software
  26 // library without restriction.  Specifically, if other files instantiate
  27 // templates or use macros or inline functions from this file, or you compile
  28 // this file and link it with other files to produce an executable, this
  29 // file does not by itself cause the resulting executable to be covered by
  30 // the GNU General Public License.  This exception does not however
  31 // invalidate any other reasons why the executable file might be covered by
  32 // the GNU General Public License.
  33
  34 #ifndef _CXXABI_TWEAKS_H
  35 #define _CXXABI_TWEAKS_H 1
  36
  37 #ifdef __cplusplus
  38 namespace __cxxabiv1
  39 {
  40   extern "C"
  41   {
  42 #endif
  43
  44 #ifdef __ARM_EABI__
  45   // The ARM EABI uses the least significant bit of a 32-bit
  46   // guard variable.  */
  47 #define _GLIBCXX_GUARD_TEST(x) ((*(x) & 1) != 0)
  48 #define _GLIBCXX_GUARD_SET(x) *(x) = 1
  49   typedef int __guard;
  50
  51   // We also want the element size in array cookies.
  52 #define _GLIBCXX_ELTSIZE_IN_COOKIE 1
  53
  54   // __cxa_vec_ctor should return a pointer to the array.
  55   typedef void * __cxa_vec_ctor_return_type;
  56 #define _GLIBCXX_CXA_VEC_CTOR_RETURN(x) return x
  57   // Constructors and destructors return the "this" pointer.
  58   typedef void * __cxa_cdtor_return_type;
  59
  60 #else // __ARM_EABI__
  61
  62   // The generic ABI uses the first byte of a 64-bit guard variable.
  63 #define _GLIBCXX_GUARD_TEST(x) (*(char *) (x) != 0)
  64 #define _GLIBCXX_GUARD_SET(x) *(char *) (x) = 1
  65   __extension__ typedef int __guard __attribute__((mode (__DI__)));
  66
  67   // __cxa_vec_ctor has void return type.
  68   typedef void __cxa_vec_ctor_return_type;
  69 #define _GLIBCXX_CXA_VEC_CTOR_RETURN(x) return
  70   // Constructors and destructors do not return a value.
  71   typedef void __cxa_cdtor_return_type;
  72
  73 #endif //!__ARM_EABI__
  74
  75 #ifdef __cplusplus
  76   }
  77 } // namespace __cxxabiv1
  78 #endif
  79
  80 #endif