gcc.h revision c58f1213e628a545081c70e26c6b67a841cff880
/** @file
* IPRT / No-CRT - GCC specifics.
*
* A quick hack for freebsd where there are no separate location
* for compiler specific headers like on linux, mingw, os2, ++.
* This file will be cleaned up later...
*/
/*
* Copyright (C) 2006-2010 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
#ifndef ___iprt_nocrt_compiler_gcc_h
#define ___iprt_nocrt_compiler_gcc_h
/* stddef.h */
#ifdef __PTRDIFF_TYPE__
typedef __PTRDIFF_TYPE__ ptrdiff_t;
#elif ARCH_BITS == 32
typedef int32_t ptrdiff_t;
#elif ARCH_BITS == 64
typedef int64_t ptrdiff_t;
#else
# error "ARCH_BITS is undefined or incorrect."
#endif
#define _PTRDIFF_T_DECLARED
#ifdef __SIZE_TYPE__
typedef __SIZE_TYPE__ size_t;
#elif ARCH_BITS == 32
typedef uint32_t size_t;
#elif ARCH_BITS == 64
typedef uint64_t size_t;
#else
# error "ARCH_BITS is undefined or incorrect."
#endif
#define _SIZE_T_DECLARED
#ifndef __cplusplus
# ifdef __WCHAR_TYPE__
typedef __WCHAR_TYPE__ wchar_t;
# elif defined(RT_OS_OS2) || defined(RT_OS_WINDOWS)
typedef uint16_t wchar_t;
# else
typedef int wchar_t;
# endif
# define _WCHAR_T_DECLARED
#endif
#ifdef __WINT_TYPE__
typedef __WINT_TYPE__ wint_t;
#else
typedef unsigned int wint_t;
#endif
#define _WINT_T_DECLARED
#ifndef NULL
# ifdef __cplusplus
# define NULL 0
# else
# define NULL ((void *)0)
# endif
#endif
#ifndef offsetof
# if defined(__cplusplus) && defined(__offsetof__)
# define offsetof(type, memb)
(__offsetof__ (reinterpret_cast<size_t>(&reinterpret_cast<const volatile char &>(static_cast<type *>(0)->memb))) )
# else
# define offsetof(type, memb) ((size_t)&((type *)0)->memb)
# endif
#endif
/* sys/types.h */
#ifdef __SSIZE_TYPE__
typedef __SSIZE_TYPE__ ssize_t;
#elif ARCH_BITS == 32
typedef int32_t ssize_t;
#elif ARCH_BITS == 64
typedef int64_t ssize_t;
#else
# define ARCH_BITS 123123
# error "ARCH_BITS is undefined or incorrect."
#endif
#define _SSIZE_T_DECLARED
/* stdarg.h */
typedef __builtin_va_list va_list;
#if __GNUC__ == 3 \
&& __GNUC_MINOR__ == 2
# define va_start(va, arg) __builtin_stdarg_start(va, arg)
#else
# define va_start(va, arg) __builtin_va_start(va, arg)
#endif
#define va_end(va) __builtin_va_end(va)
#define va_arg(va, type) __builtin_va_arg(va, type)
#define va_copy(dst, src) __builtin_va_copy(dst, src)
#endif