ext-cryptopp/config_int.h

104 lines
4.0 KiB
C++

// config_int.h - written and placed in public domain by Jeffrey Walton
// the bits that make up this source file are from the
// library's monolithic config.h.
/// \file config_int.h
/// \brief Library configuration file
/// \details <tt>config.h</tt> was split into components in May 2019 to better
/// integrate with Autoconf and its feature tests. The splitting occured so
/// users could continue to include <tt>config.h</tt> while allowing Autoconf
/// to write new <tt>config_asm.h</tt> and new <tt>config_cxx.h</tt> using
/// its feature tests.
/// \sa <A HREF="https://github.com/weidai11/cryptopp/issues/835">Issue 835</A>
/// \since Crypto++ 8.3
#ifndef CRYPTOPP_CONFIG_INT_H
#define CRYPTOPP_CONFIG_INT_H
#include "config_ns.h"
#include "config_ver.h"
// Originally in global namespace to avoid ambiguity with other byte typedefs.
// Moved to Crypto++ namespace due to C++17, std::byte and potential compile
// problems. Also see http://www.cryptopp.com/wiki/std::byte and
// http://github.com/weidai11/cryptopp/issues/442.
// typedef unsigned char byte;
#define CRYPTOPP_NO_GLOBAL_BYTE 1
NAMESPACE_BEGIN(CryptoPP)
// Signed words added at Issue 609 for early versions of and Visual Studio and
// the NaCl gear. Also see https://github.com/weidai11/cryptopp/issues/609.
typedef unsigned char byte;
typedef unsigned short word16;
typedef unsigned int word32;
typedef signed char sbyte;
typedef signed short sword16;
typedef signed int sword32;
#if defined(_MSC_VER) || defined(__BORLANDC__)
typedef signed __int64 sword64;
typedef unsigned __int64 word64;
#define SW64LIT(x) x##i64
#define W64LIT(x) x##ui64
#elif (_LP64 || __LP64__)
typedef signed long sword64;
typedef unsigned long word64;
#define SW64LIT(x) x##L
#define W64LIT(x) x##UL
#else
typedef signed long long sword64;
typedef unsigned long long word64;
#define SW64LIT(x) x##LL
#define W64LIT(x) x##ULL
#endif
// define large word type, used for file offsets and such
typedef word64 lword;
const lword LWORD_MAX = W64LIT(0xffffffffffffffff);
// define hword, word, and dword. these are used for multiprecision integer arithmetic
// Intel compiler won't have _umul128 until version 10.0. See http://softwarecommunity.intel.com/isn/Community/en-US/forums/thread/30231625.aspx
#if (defined(_MSC_VER) && (!defined(__INTEL_COMPILER) || __INTEL_COMPILER >= 1000) && (defined(_M_X64) || defined(_M_IA64))) || (defined(__DECCXX) && defined(__alpha__)) || (defined(__INTEL_COMPILER) && defined(__x86_64__)) || (defined(__SUNPRO_CC) && defined(__x86_64__))
typedef word32 hword;
typedef word64 word;
#else
#define CRYPTOPP_NATIVE_DWORD_AVAILABLE 1
#if defined(__alpha__) || defined(__ia64__) || defined(_ARCH_PPC64) || defined(__x86_64__) || defined(__mips64) || defined(__sparc64__)
#if ((CRYPTOPP_GCC_VERSION >= 30400) || (CRYPTOPP_LLVM_CLANG_VERSION >= 30000) || (CRYPTOPP_APPLE_CLANG_VERSION >= 40300)) && (__SIZEOF_INT128__ >= 16)
// GCC 4.0.1 on MacOS X is missing __umodti3 and __udivti3
// GCC 4.8.3 and bad uint128_t ops on PPC64/POWER7 (Issue 421)
// mode(TI) division broken on amd64 with GCC earlier than GCC 3.4
typedef word32 hword;
typedef word64 word;
typedef __uint128_t dword;
typedef __uint128_t word128;
#define CRYPTOPP_WORD128_AVAILABLE 1
#else
// if we're here, it means we're on a 64-bit CPU but we don't have a way to obtain 128-bit multiplication results
typedef word16 hword;
typedef word32 word;
typedef word64 dword;
#endif
#else
// being here means the native register size is probably 32 bits or less
#define CRYPTOPP_BOOL_SLOW_WORD64 1
typedef word16 hword;
typedef word32 word;
typedef word64 dword;
#endif
#endif
#ifndef CRYPTOPP_BOOL_SLOW_WORD64
# define CRYPTOPP_BOOL_SLOW_WORD64 0
#endif
const unsigned int WORD_SIZE = sizeof(word);
const unsigned int WORD_BITS = WORD_SIZE * 8;
NAMESPACE_END
#endif // CRYPTOPP_CONFIG_INT_H