citra/src/common/platform.h

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/**
* Copyright (C) 2005-2012 Gekko Emulator
*
* @file platform.h
* @author ShizZy <shizzy247@gmail.com>
* @date 2012-02-11
* @brief Platform detection macros for portable compilation
*
* @section LICENSE
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details at
* http://www.gnu.org/copyleft/gpl.html
*
* Official project repository can be found at:
* http://code.google.com/p/gekko-gc-emu/
*/
#ifndef COMMON_PLATFORM_H_
#define COMMON_PLATFORM_H_
#include "common_types.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// Platform definitions
/// Enumeration for defining the supported platforms
#define PLATFORM_NULL 0
#define PLATFORM_WINDOWS 1
#define PLATFORM_MACOSX 2
#define PLATFORM_LINUX 3
#define PLATFORM_ANDROID 4
#define PLATFORM_IOS 5
////////////////////////////////////////////////////////////////////////////////////////////////////
// Platform detection
#ifndef EMU_PLATFORM
#if defined( __WIN32__ ) || defined( _WIN32 )
#define EMU_PLATFORM PLATFORM_WINDOWS
#elif defined( __APPLE__ ) || defined( __APPLE_CC__ )
#define EMU_PLATFORM PLATFORM_MAXOSX
#elif defined(__linux__)
#define EMU_PLATFORM PLATFORM_LINUX
#else // Assume linux otherwise
#define EMU_PLATFORM PLATFORM_LINUX
#endif
#endif
#if defined(__x86_64__) || defined(_M_X64) || defined(__alpha__) || defined(__ia64__)
#define EMU_ARCHITECTURE_X64
#else
#define EMU_ARCHITECTURE_X86
#endif
////////////////////////////////////////////////////////////////////////////////////////////////////
// Compiler-Specific Definitions
#if EMU_PLATFORM == PLATFORM_WINDOWS
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#include <time.h>
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#define NOMINMAX
#define EMU_FASTCALL __fastcall
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inline struct tm* localtime_r(const time_t *clock, struct tm *result) {
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if (localtime_s(result, clock) == 0)
return result;
return NULL;
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}
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#else
#define EMU_FASTCALL __attribute__((fastcall))
#define __stdcall
#define __cdecl
#define LONG long
#define BOOL bool
#define DWORD u32
#endif
#if EMU_PLATFORM != PLATFORM_WINDOWS
// TODO: Hacks..
#include <limits.h>
#define MAX_PATH PATH_MAX
#include <strings.h>
#define stricmp(str1, str2) strcasecmp(str1, str2)
#define _stricmp(str1, str2) strcasecmp(str1, str2)
#define _snprintf snprintf
#define _getcwd getcwd
#define _tzset tzset
typedef void EXCEPTION_POINTERS;
inline u32 _rotl(u32 x, int shift) {
shift &= 31;
if (0 == shift) {
return x;
}
return (x << shift) | (x >> (32 - shift));
}
inline u64 _rotl64(u64 x, u32 shift){
u32 n = shift % 64;
return (x << n) | (x >> (64 - n));
}
inline u32 _rotr(u32 x, int shift) {
shift &= 31;
if (0 == shift) {
return x;
}
return (x >> shift) | (x << (32 - shift));
}
inline u64 _rotr64(u64 x, u32 shift){
u32 n = shift % 64;
return (x >> n) | (x << (64 - n));
}
#endif
#define GCC_VERSION_AVAILABLE(major, minor) (defined(__GNUC__) && (__GNUC__ > (major) || \
(__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))))
#endif // COMMON_PLATFORM_H_