| 1 | /** @file
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| 2 | * IPRT / No-CRT - GCC specifics.
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| 3 | *
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| 4 | * A quick hack for freebsd where there are no separate location
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| 5 | * for compiler specific headers like on linux, mingw, os2, ++.
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| 6 | * This file will be cleaned up later...
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| 7 | */
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| 8 |
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| 9 | /*
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| 10 | * Copyright (C) 2006-2022 Oracle and/or its affiliates.
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| 11 | *
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| 12 | * This file is part of VirtualBox base platform packages, as
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| 13 | * available from https://www.virtualbox.org.
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| 14 | *
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| 15 | * This program is free software; you can redistribute it and/or
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| 16 | * modify it under the terms of the GNU General Public License
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| 17 | * as published by the Free Software Foundation, in version 3 of the
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| 18 | * License.
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| 19 | *
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| 20 | * This program is distributed in the hope that it will be useful, but
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| 21 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 22 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 23 | * General Public License for more details.
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| 24 | *
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| 25 | * You should have received a copy of the GNU General Public License
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| 26 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 27 | *
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| 28 | * The contents of this file may alternatively be used under the terms
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| 29 | * of the Common Development and Distribution License Version 1.0
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| 30 | * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
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| 31 | * in the VirtualBox distribution, in which case the provisions of the
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| 32 | * CDDL are applicable instead of those of the GPL.
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| 33 | *
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| 34 | * You may elect to license modified versions of this file under the
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| 35 | * terms and conditions of either the GPL or the CDDL or both.
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| 36 | *
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| 37 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
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| 38 | */
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| 39 |
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| 40 | #ifndef IPRT_INCLUDED_nocrt_compiler_gcc_h
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| 41 | #define IPRT_INCLUDED_nocrt_compiler_gcc_h
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| 42 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 43 | # pragma once
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| 44 | #endif
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| 45 |
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| 46 |
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| 47 | /* stddef.h */
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| 48 | #ifdef __PTRDIFF_TYPE__
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| 49 | typedef __PTRDIFF_TYPE__ ptrdiff_t;
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| 50 | #elif ARCH_BITS == 32
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| 51 | typedef int32_t ptrdiff_t;
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| 52 | #elif ARCH_BITS == 64
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| 53 | typedef int64_t ptrdiff_t;
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| 54 | #else
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| 55 | # error "ARCH_BITS is undefined or incorrect."
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| 56 | #endif
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| 57 | #define _PTRDIFF_T_DECLARED
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| 58 |
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| 59 | #ifdef __SIZE_TYPE__
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| 60 | typedef __SIZE_TYPE__ size_t;
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| 61 | #elif ARCH_BITS == 32
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| 62 | typedef uint32_t size_t;
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| 63 | #elif ARCH_BITS == 64
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| 64 | typedef uint64_t size_t;
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| 65 | #else
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| 66 | # error "ARCH_BITS is undefined or incorrect."
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| 67 | #endif
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| 68 | #define _SIZE_T_DECLARED
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| 69 |
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| 70 | #ifndef __cplusplus
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| 71 | # ifdef __WCHAR_TYPE__
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| 72 | typedef __WCHAR_TYPE__ wchar_t;
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| 73 | # elif defined(RT_OS_OS2) || defined(RT_OS_WINDOWS)
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| 74 | typedef uint16_t wchar_t;
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| 75 | # else
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| 76 | typedef int wchar_t;
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| 77 | # endif
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| 78 | # define _WCHAR_T_DECLARED
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| 79 | #endif
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| 80 |
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| 81 | #ifdef __WINT_TYPE__
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| 82 | typedef __WINT_TYPE__ wint_t;
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| 83 | #else
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| 84 | typedef unsigned int wint_t;
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| 85 | #endif
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| 86 | #define _WINT_T_DECLARED
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| 87 |
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| 88 | #ifndef NULL
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| 89 | # ifdef __cplusplus
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| 90 | # define NULL 0
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| 91 | # else
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| 92 | # define NULL ((void *)0)
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| 93 | # endif
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| 94 | #endif
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| 95 |
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| 96 |
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| 97 | #ifndef offsetof
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| 98 | # if defined(__cplusplus) && defined(__offsetof__)
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| 99 | # define offsetof(type, memb)
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| 100 | (__offsetof__ (reinterpret_cast<size_t>(&reinterpret_cast<const volatile char &>(static_cast<type *>(0)->memb))) )
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| 101 | # else
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| 102 | # define offsetof(type, memb) ((size_t)&((type *)0)->memb)
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| 103 | # endif
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| 104 | #endif
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| 105 |
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| 106 |
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| 107 | /* sys/types.h */
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| 108 | #ifdef __SSIZE_TYPE__
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| 109 | typedef __SSIZE_TYPE__ ssize_t;
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| 110 | #elif ARCH_BITS == 32
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| 111 | typedef int32_t ssize_t;
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| 112 | #elif ARCH_BITS == 64
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| 113 | typedef int64_t ssize_t;
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| 114 | #else
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| 115 | # define ARCH_BITS 123123
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| 116 | # error "ARCH_BITS is undefined or incorrect."
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| 117 | #endif
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| 118 | #define _SSIZE_T_DECLARED
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| 119 |
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| 120 |
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| 121 | /* stdarg.h */
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| 122 | typedef __builtin_va_list va_list;
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| 123 | #if __GNUC__ == 3 \
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| 124 | && __GNUC_MINOR__ == 2
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| 125 | # define va_start(va, arg) __builtin_stdarg_start(va, arg)
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| 126 | #else
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| 127 | # define va_start(va, arg) __builtin_va_start(va, arg)
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| 128 | #endif
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| 129 | #define va_end(va) __builtin_va_end(va)
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| 130 | #define va_arg(va, type) __builtin_va_arg(va, type)
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| 131 | #define va_copy(dst, src) __builtin_va_copy(dst, src)
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| 132 |
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| 133 |
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| 134 | #endif /* !IPRT_INCLUDED_nocrt_compiler_gcc_h */
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