mirror of https://github.com/bsnes-emu/bsnes.git
83 lines
3.1 KiB
C++
83 lines
3.1 KiB
C++
#ifndef NALL_INTRINSICS_HPP
|
|
#define NALL_INTRINSICS_HPP
|
|
|
|
namespace nall {
|
|
|
|
struct Intrinsics {
|
|
enum class Compiler : unsigned { Clang, GCC, VisualCPP, Unknown };
|
|
enum class Platform : unsigned { Windows, MacOSX, X, Unknown }; //X = Linux, BSD, etc
|
|
enum class Architecture : unsigned { x86, amd64, Unknown };
|
|
enum class Endian : unsigned { LSB, MSB, Unknown };
|
|
|
|
static inline Compiler compiler();
|
|
static inline Platform platform();
|
|
static inline Architecture architecture();
|
|
static inline Endian endian();
|
|
};
|
|
|
|
/* Compiler detection */
|
|
|
|
#if defined(__clang__)
|
|
#define COMPILER_CLANG
|
|
Intrinsics::Compiler Intrinsics::compiler() { return Intrinsics::Compiler::Clang; }
|
|
#elif defined(__GNUC__)
|
|
#define COMPILER_GCC
|
|
Intrinsics::Compiler Intrinsics::compiler() { return Intrinsics::Compiler::GCC; }
|
|
#elif defined(_MSC_VER)
|
|
#define COMPILER_VISUALCPP
|
|
Intrinsics::Compiler Intrinsics::compiler() { return Intrinsics::Compiler::VisualCPP; }
|
|
#else
|
|
#warning "unable to detect compiler"
|
|
#define COMPILER_UNKNOWN
|
|
Intrinsics::Compiler Intrinsics::compiler() { return Intrinsics::Compiler::Unknown; }
|
|
#endif
|
|
|
|
/* Platform detection */
|
|
|
|
#if defined(_WIN32)
|
|
#define PLATFORM_WINDOWS
|
|
Intrinsics::Platform Intrinsics::platform() { return Intrinsics::Platform::Windows; }
|
|
#elif defined(__APPLE__)
|
|
#define PLATFORM_MACOSX
|
|
Intrinsics::Platform Intrinsics::platform() { return Intrinsics::Platform::MacOSX; }
|
|
#elif defined(linux) || defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__GNU__)
|
|
#define PLATFORM_X
|
|
Intrinsics::Platform Intrinsics::platform() { return Intrinsics::Platform::X; }
|
|
#else
|
|
#warning "unable to detect platform"
|
|
#define PLATFORM_UNKNOWN
|
|
Intrinsics::Platform Intrinsics::platform() { return Intrinsics::Platform::Unknown; }
|
|
#endif
|
|
|
|
/* Architecture Detection */
|
|
|
|
#if defined(__i386__) || defined(_M_IX86)
|
|
#define ARCH_X86
|
|
Intrinsics::Architecture Intrinsics::architecture() { return Intrinsics::Architecture::x86; }
|
|
#elif defined(__amd64__) || defined(_M_AMD64)
|
|
#define ARCH_AMD64
|
|
Intrinsics::Architecture Intrinsics::architecture() { return Intrinsics::Architecture::amd64; }
|
|
#else
|
|
#warning "unable to detect architecture"
|
|
#define ARCH_UNKNOWN
|
|
Intrinsics::Architecture Intrinsics::architecture() { return Intrinsics::Architecture::Unknown; }
|
|
#endif
|
|
|
|
/* Endian detection */
|
|
|
|
#if (defined(__BYTE_ORDER) && defined(__LITTLE_ENDIAN) && __BYTE_ORDER == __LITTLE_ENDIAN) || defined(__LITTLE_ENDIAN__) || defined(__i386__) || defined(__amd64__) || defined(_M_IX86) || defined(_M_AMD64)
|
|
#define ENDIAN_LSB
|
|
Intrinsics::Endian Intrinsics::endian() { return Intrinsics::Endian::LSB; }
|
|
#elif (defined(__BYTE_ORDER) && defined(__BIG_ENDIAN) && __BYTE_ORDER == __BIG_ENDIAN) || defined(__BIG_ENDIAN__) || defined(__powerpc__) || defined(_M_PPC)
|
|
#define ENDIAN_MSB
|
|
Intrinsics::Endian Intrinsics::endian() { return Intrinsics::Endian::MSB; }
|
|
#else
|
|
#warning "unable to detect endian"
|
|
#define ENDIAN_UNKNOWN
|
|
Intrinsics::Endian Intrinsics::endian() { return Intrinsics::Endian::Unknown; }
|
|
#endif
|
|
|
|
}
|
|
|
|
#endif
|