1 |
20 |
jlechner |
// Control various target specific ABI tweaks. ARM version.
|
2 |
|
|
|
3 |
|
|
// Copyright (C) 2004 Free Software Foundation, Inc.
|
4 |
|
|
//
|
5 |
|
|
// This file is part of the GNU ISO C++ Library. This library is free
|
6 |
|
|
// software; you can redistribute it and/or modify it under the
|
7 |
|
|
// terms of the GNU General Public License as published by the
|
8 |
|
|
// Free Software Foundation; either version 2, or (at your option)
|
9 |
|
|
// any later version.
|
10 |
|
|
|
11 |
|
|
// This library 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 along
|
17 |
|
|
// with this library; see the file COPYING. If not, write to the Free
|
18 |
|
|
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
|
19 |
|
|
// USA.
|
20 |
|
|
|
21 |
|
|
// As a special exception, you may use this file as part of a free software
|
22 |
|
|
// library without restriction. Specifically, if other files instantiate
|
23 |
|
|
// templates or use macros or inline functions from this file, or you compile
|
24 |
|
|
// this file and link it with other files to produce an executable, this
|
25 |
|
|
// file does not by itself cause the resulting executable to be covered by
|
26 |
|
|
// the GNU General Public License. This exception does not however
|
27 |
|
|
// invalidate any other reasons why the executable file might be covered by
|
28 |
|
|
// the GNU General Public License.
|
29 |
|
|
|
30 |
|
|
#ifndef _CXXABI_TWEAKS_H
|
31 |
|
|
#define _CXXABI_TWEAKS_H 1
|
32 |
|
|
|
33 |
|
|
#ifdef __cplusplus
|
34 |
|
|
namespace __cxxabiv1
|
35 |
|
|
{
|
36 |
|
|
#endif
|
37 |
|
|
|
38 |
|
|
#ifdef __ARM_EABI__
|
39 |
|
|
// The ARM EABI uses the least significant bit of a 32-bit
|
40 |
|
|
// guard variable. */
|
41 |
|
|
#define _GLIBCXX_GUARD_TEST(x) ((*(x) & 1) != 0)
|
42 |
|
|
#define _GLIBCXX_GUARD_SET(x) *(x) = 1
|
43 |
|
|
typedef int __guard;
|
44 |
|
|
|
45 |
|
|
// We also want the element size in array cookies.
|
46 |
|
|
#define _GLIBCXX_ELTSIZE_IN_COOKIE 1
|
47 |
|
|
|
48 |
|
|
// __cxa_vec_ctor should return a pointer to the array.
|
49 |
|
|
typedef void * __cxa_vec_ctor_return_type;
|
50 |
|
|
#define _GLIBCXX_CXA_VEC_CTOR_RETURN(x) return x
|
51 |
|
|
// Constructors and destructors return the "this" pointer.
|
52 |
|
|
typedef void * __cxa_cdtor_return_type;
|
53 |
|
|
|
54 |
|
|
#else // __ARM_EABI__
|
55 |
|
|
|
56 |
|
|
// The generic ABI uses the first byte of a 64-bit guard variable.
|
57 |
|
|
#define _GLIBCXX_GUARD_TEST(x) (*(char *) (x) != 0)
|
58 |
|
|
#define _GLIBCXX_GUARD_SET(x) *(char *) (x) = 1
|
59 |
|
|
__extension__ typedef int __guard __attribute__((mode (__DI__)));
|
60 |
|
|
|
61 |
|
|
// __cxa_vec_ctor has void return type.
|
62 |
|
|
typedef void __cxa_vec_ctor_return_type;
|
63 |
|
|
#define _GLIBCXX_CXA_VEC_CTOR_RETURN(x) return
|
64 |
|
|
// Constructors and destructors do not return a value.
|
65 |
|
|
typedef void __cxa_cdtor_return_type;
|
66 |
|
|
|
67 |
|
|
#endif //!__ARM_EABI__
|
68 |
|
|
|
69 |
|
|
#ifdef __cplusplus
|
70 |
|
|
} // namespace __cxxabiv1
|
71 |
|
|
#endif
|
72 |
|
|
|
73 |
|
|
#endif // __cxxabiv1
|