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VeraCrypt/src/Crypto/config.h

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#ifndef CRYPTOPP_CONFIG_H
#define CRYPTOPP_CONFIG_H
#ifdef __GNUC__
#define VC_INLINE static inline __attribute__((always_inline))
#elif defined (_MSC_VER)
#define VC_INLINE __forceinline
#else
#define VC_INLINE static inline
#endif
// Clang pretends to be VC++, too.
// See http://github.com/weidai11/cryptopp/issues/147
#if defined(_MSC_VER) && defined(__clang__) && !defined(_DCSPKG_ANALYZE)
# error: "Unsupported configuration"
#endif
#ifdef __GNUC__
#define CRYPTOPP_GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
#endif
// Apple and LLVM's Clang. Apple Clang version 7.0 roughly equals LLVM Clang version 3.7
#if defined(__clang__ ) && !defined(__apple_build_version__) && !defined(_DCSPKG_ANALYZE)
#define CRYPTOPP_LLVM_CLANG_VERSION (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__)
#define CRYPTOPP_CLANG_INTEGRATED_ASSEMBLER 1
#elif defined(__clang__ ) && defined(__apple_build_version__) && !defined(_DCSPKG_ANALYZE)
#define CRYPTOPP_APPLE_CLANG_VERSION (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__)
#define CRYPTOPP_CLANG_INTEGRATED_ASSEMBLER 1
#endif
// Clang due to "Inline assembly operands don't work with .intel_syntax", http://llvm.org/bugs/show_bug.cgi?id=24232
// TODO: supply the upper version when LLVM fixes it. We set it to 20.0 for compilation purposes.
#if (defined(CRYPTOPP_LLVM_CLANG_VERSION) && CRYPTOPP_LLVM_CLANG_VERSION <= 200000) || (defined(CRYPTOPP_APPLE_CLANG_VERSION) && CRYPTOPP_APPLE_CLANG_VERSION <= 200000) || defined(CRYPTOPP_CLANG_INTEGRATED_ASSEMBLER)
#define CRYPTOPP_DISABLE_INTEL_ASM 1
#endif
#ifndef CRYPTOPP_L1_CACHE_LINE_SIZE
// This should be a lower bound on the L1 cache line size. It's used for defense against timing attacks.
// Also see http://stackoverflow.com/questions/794632/programmatically-get-the-cache-line-size.
#if defined(_M_X64) || defined(__x86_64__) || (__ILP32__ >= 1)
#define CRYPTOPP_L1_CACHE_LINE_SIZE 64
#else
// L1 cache line size is 32 on Pentium III and earlier
#define CRYPTOPP_L1_CACHE_LINE_SIZE 32
#endif
#endif
#if defined(_MSC_VER) && (_MSC_VER > 1200)
#define CRYPTOPP_MSVC6PP_OR_LATER
#endif
#ifndef CRYPTOPP_ALIGN_DATA
#if defined(_MSC_VER)
#define CRYPTOPP_ALIGN_DATA(x) __declspec(align(x))
#elif defined(__GNUC__)
#define CRYPTOPP_ALIGN_DATA(x) __attribute__((aligned(x)))
#else
#define CRYPTOPP_ALIGN_DATA(x)
#endif
#endif
#ifndef CRYPTOPP_SECTION_ALIGN16
#if defined(__GNUC__) && !defined(__APPLE__)
// the alignment attribute doesn't seem to work without this section attribute when -fdata-sections is turned on
#define CRYPTOPP_SECTION_ALIGN16 __attribute__((section ("CryptoPP_Align16")))
#else
#define CRYPTOPP_SECTION_ALIGN16
#endif
#endif
#if defined(_MSC_VER) || defined(__fastcall)
#define CRYPTOPP_FASTCALL __fastcall
#else
#define CRYPTOPP_FASTCALL
#endif
#ifdef CRYPTOPP_DISABLE_X86ASM // for backwards compatibility: this macro had both meanings
#define CRYPTOPP_DISABLE_ASM
#define CRYPTOPP_DISABLE_SSE2
#endif
// Apple's Clang prior to 5.0 cannot handle SSE2 (and Apple does not use LLVM Clang numbering...)
#if defined(CRYPTOPP_APPLE_CLANG_VERSION) && (CRYPTOPP_APPLE_CLANG_VERSION < 50000)
# define CRYPTOPP_DISABLE_ASM
#endif
#if !defined(CRYPTOPP_DISABLE_ASM) && ((defined(_MSC_VER) && defined(_M_IX86)) || (defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))))
// C++Builder 2010 does not allow "call label" where label is defined within inline assembly
#define CRYPTOPP_X86_ASM_AVAILABLE
#if !defined(CRYPTOPP_DISABLE_SSE2) && (defined(CRYPTOPP_MSVC6PP_OR_LATER) || CRYPTOPP_GCC_VERSION >= 30300 || defined(__SSE2__))
#define CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE 1
#else
#define CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE 0
#endif
// SSE3 was actually introduced in GNU as 2.17, which was released 6/23/2006, but we can't tell what version of binutils is installed.
// GCC 4.1.2 was released on 2/13/2007, so we'll use that as a proxy for the binutils version. Also see the output of
// `gcc -dM -E -march=native - < /dev/null | grep -i SSE` for preprocessor defines available.
#if !defined(CRYPTOPP_DISABLE_SSSE3) && (_MSC_VER >= 1400 || CRYPTOPP_GCC_VERSION >= 40102 || defined(__SSSE3__) || defined(__SSE3__))
#define CRYPTOPP_BOOL_SSSE3_ASM_AVAILABLE 1
#else
#define CRYPTOPP_BOOL_SSSE3_ASM_AVAILABLE 0
#endif
#endif
#if !defined(CRYPTOPP_DISABLE_ASM) && defined(_MSC_VER) && defined(_M_X64)
#define CRYPTOPP_X64_MASM_AVAILABLE
#endif
#if !defined(CRYPTOPP_DISABLE_ASM) && defined(__GNUC__) && defined(__x86_64__)
#define CRYPTOPP_X64_ASM_AVAILABLE
#endif
#if !defined(CRYPTOPP_DISABLE_SSE2) && (defined(CRYPTOPP_MSVC6PP_OR_LATER) || defined(__SSE2__)) && !defined(_M_ARM) && !defined(_M_ARM64) && !defined(__arm__) && !defined(__aarch64__) && !defined(__arm64__)
#define CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE 1
#else
#define CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE 0
#endif
#if !defined(CRYPTOPP_DISABLE_ASM) && !defined(CRYPTOPP_DISABLE_SSSE3) && !defined(_M_ARM) && !defined(_M_ARM64) && !defined(__arm__) && !defined(__aarch64__) && !defined(__arm64__) && ( \
defined(__SSSE3__) || (_MSC_VER >= 1500) || \
(CRYPTOPP_GCC_VERSION >= 40300) || (__INTEL_COMPILER >= 1000) || (__SUNPRO_CC >= 0x5110) || \
(CRYPTOPP_LLVM_CLANG_VERSION >= 20300) || (CRYPTOPP_APPLE_CLANG_VERSION >= 40000))
#define CRYPTOPP_SSSE3_AVAILABLE 1
#else
#define CRYPTOPP_SSSE3_AVAILABLE 0
# endif
#if !defined(CRYPTOPP_DISABLE_SSSE3) && (defined(__SSSE3__) || (_MSC_VER >= 1500)) && !defined(_M_ARM) && !defined(_M_ARM64) && !defined(__arm__) && !defined(__aarch64__) && !defined(__arm64__)
#define CRYPTOPP_BOOL_SSSE3_INTRINSICS_AVAILABLE 1
#else
#define CRYPTOPP_BOOL_SSSE3_INTRINSICS_AVAILABLE 0
#endif
#if !defined(CRYPTOPP_DISABLE_SSSE3) && !defined(CRYPTOPP_DISABLE_AESNI) && CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE && (CRYPTOPP_GCC_VERSION >= 40400 || _MSC_FULL_VER >= 150030729 || __INTEL_COMPILER >= 1110 || defined(__AES__))
#define CRYPTOPP_BOOL_AESNI_INTRINSICS_AVAILABLE 1
#else
#define CRYPTOPP_BOOL_AESNI_INTRINSICS_AVAILABLE 0
#endif
#if CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE || CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE || defined(CRYPTOPP_X64_MASM_AVAILABLE)
#define CRYPTOPP_BOOL_ALIGN16 1
#else
#define CRYPTOPP_BOOL_ALIGN16 0
#endif
#if CRYPTOPP_BOOL_SSSE3_INTRINSICS_AVAILABLE && (defined(__SSE4_1__) || defined(__INTEL_COMPILER) || defined(_MSC_VER))
#define CRYPTOPP_BOOL_SSE41_INTRINSICS_AVAILABLE 1
#else
#define CRYPTOPP_BOOL_SSE41_INTRINSICS_AVAILABLE 0
#endif
// how to allocate 16-byte aligned memory (for SSE2)
#if defined(_MSC_VER)
#define CRYPTOPP_MM_MALLOC_AVAILABLE
#elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
#define CRYPTOPP_MALLOC_ALIGNMENT_IS_16
#elif defined(__linux__) || defined(__sun__) || defined(__CYGWIN__)
#define CRYPTOPP_MEMALIGN_AVAILABLE
#else
#define CRYPTOPP_NO_ALIGNED_ALLOC
#endif
// how to declare class constants
#if (defined(_MSC_VER) && _MSC_VER <= 1300) || defined(__INTEL_COMPILER)
# define CRYPTOPP_CONSTANT(x) enum {x};
#else
# define CRYPTOPP_CONSTANT(x) static const int x;
#endif
// Linux provides X32, which is 32-bit integers, longs and pointers on x86_64 using the full x86_64 register set.
// Detect via __ILP32__ (http://wiki.debian.org/X32Port). However, __ILP32__ shows up in more places than
// the System V ABI specs calls out, like on just about any 32-bit system with Clang.
#if ((__ILP32__ >= 1) || (_ILP32 >= 1)) && defined(__x86_64__)
#define CRYPTOPP_BOOL_X32 1
#else
#define CRYPTOPP_BOOL_X32 0
#endif
// see http://predef.sourceforge.net/prearch.html
#if (defined(_M_IX86) || defined(__i386__) || defined(__i386) || defined(_X86_) || defined(__I86__) || defined(__INTEL__)) && !CRYPTOPP_BOOL_X32
#define CRYPTOPP_BOOL_X86 1
#else
#define CRYPTOPP_BOOL_X86 0
#endif
#if (defined(_M_X64) || defined(__x86_64__)) && !CRYPTOPP_BOOL_X32
#define CRYPTOPP_BOOL_X64 1
#else
#define CRYPTOPP_BOOL_X64 0
#endif
// Undo the ASM and Intrinsic related defines due to X32.
#if CRYPTOPP_BOOL_X32
# undef CRYPTOPP_BOOL_X64
# undef CRYPTOPP_X64_ASM_AVAILABLE
# undef CRYPTOPP_X64_MASM_AVAILABLE
#endif
#if !defined(CRYPTOPP_NO_UNALIGNED_DATA_ACCESS) && !defined(CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS)
#if (CRYPTOPP_BOOL_X64 || CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X32 || defined(__powerpc__) || (__ARM_FEATURE_UNALIGNED >= 1))
#define CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS
#endif
#endif
// this version of the macro is fastest on Pentium 3 and Pentium 4 with MSVC 6 SP5 w/ Processor Pack
#define GETBYTE(x, y) (unsigned int)((unsigned char)((x)>>(8*(y))))
// these may be faster on other CPUs/compilers
// #define GETBYTE(x, y) (unsigned int)(((x)>>(8*(y)))&255)
// #define GETBYTE(x, y) (((byte *)&(x))[y])
#define CRYPTOPP_GET_BYTE_AS_BYTE(x, y) ((byte)((x)>>(8*(y))))
#endif
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