diff options
Diffstat (limited to 'src/Crypto/config.h')
| -rwxr-xr-x[-rw-r--r--] | src/Crypto/config.h | 105 |
1 files changed, 72 insertions, 33 deletions
diff --git a/src/Crypto/config.h b/src/Crypto/config.h index 4c73079d..da9276db 100644..100755 --- a/src/Crypto/config.h +++ b/src/Crypto/config.h @@ -13,9 +13,24 @@ #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__) + #define CRYPTOPP_CLANG_VERSION (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__) +#elif defined(__clang__ ) && defined(__apple_build_version__) + #define CRYPTOPP_APPLE_CLANG_VERSION (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__) +#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_CLANG_VERSION) && CRYPTOPP_CLANG_VERSION <= 200000) || (defined(CRYPTOPP_APPLE_CLANG_VERSION) && CRYPTOPP_APPLE_CLANG_VERSION <= 200000) +#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. - #if defined(_M_X64) || defined(__x86_64__) + // 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 @@ -53,49 +68,55 @@ #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 + // 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(_MSC_VER) || CRYPTOPP_GCC_VERSION >= 30300) - #define CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE 1 - #else - #define CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE 0 - #endif + #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 - // SSSE3 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. - #if !defined(CRYPTOPP_DISABLE_SSSE3) && (_MSC_VER >= 1400 || CRYPTOPP_GCC_VERSION >= 40102) - #define CRYPTOPP_BOOL_SSSE3_ASM_AVAILABLE 1 - #else - #define CRYPTOPP_BOOL_SSSE3_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 + #define CRYPTOPP_X64_MASM_AVAILABLE #endif #if !defined(CRYPTOPP_DISABLE_ASM) && defined(__GNUC__) && defined(__x86_64__) - #define CRYPTOPP_X64_ASM_AVAILABLE + #define CRYPTOPP_X64_ASM_AVAILABLE #endif -#if !defined(CRYPTOPP_DISABLE_SSE2) && (defined(_MSC_VER) || defined(__SSE2__)) - #define CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE 1 +#if !defined(CRYPTOPP_DISABLE_SSE2) && (defined(CRYPTOPP_MSVC6PP_OR_LATER) || defined(__SSE2__)) && !defined(_M_ARM) + #define CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE 1 #else - #define CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE 0 + #define CRYPTOPP_BOOL_SSE2_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) - #define CRYPTOPP_BOOL_AESNI_INTRINSICS_AVAILABLE 1 +#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 + #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_ENABLED 1 + #define CRYPTOPP_BOOL_ALIGN16 1 #else - #define CRYPTOPP_BOOL_ALIGN16_ENABLED 0 + #define CRYPTOPP_BOOL_ALIGN16 0 #endif // how to allocate 16-byte aligned memory (for SSE2) @@ -116,21 +137,39 @@ # define CRYPTOPP_CONSTANT(x) static const int x; #endif -#if defined(_M_X64) || defined(__x86_64__) - #define CRYPTOPP_BOOL_X64 1 +// 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_X64 0 + #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__) - #define CRYPTOPP_BOOL_X86 1 +#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_X86 0 + #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 CRYPTOPP_BOOL_X64 || CRYPTOPP_BOOL_X86 || defined(__powerpc__) - #define CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS +#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 #define GETBYTE(x, y) (unsigned int)((unsigned char)((x)>>(8*(y)))) |