From c0f46187dec76c4ff980a3267d716e7f05c92f33 Mon Sep 17 00:00:00 2001 From: Mounir IDRASSI Date: Thu, 12 Jan 2017 18:12:10 +0100 Subject: Fix build error in Crypto/Whirpool.c when using LLVM Clang compiler by disabling inline assembly in this case (caused by http://llvm.org/bugs/show_bug.cgi?id=24232) --- src/Crypto/Whirlpool.c | 9 +++++++++ src/Crypto/config.h | 16 +++++++++++---- src/Crypto/cpu.h | 53 +++++++++++++++++++++++--------------------------- 3 files changed, 45 insertions(+), 33 deletions(-) (limited to 'src') diff --git a/src/Crypto/Whirlpool.c b/src/Crypto/Whirlpool.c index 86b3ebf6..308f4812 100644 --- a/src/Crypto/Whirlpool.c +++ b/src/Crypto/Whirlpool.c @@ -80,6 +80,15 @@ #include "misc.h" #include "Whirlpool.h" +// "Inline assembly operands don't work with .intel_syntax", +// http://llvm.org/bugs/show_bug.cgi?id=24232 +#if defined(CRYPTOPP_DISABLE_INTEL_ASM) +# undef CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE +# undef CRYPTOPP_BOOL_SSSE3_ASM_AVAILABLE +# define CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE 0 +# define CRYPTOPP_BOOL_SSSE3_ASM_AVAILABLE 0 +#endif + /* * The number of rounds of the internal dedicated block cipher. */ diff --git a/src/Crypto/config.h b/src/Crypto/config.h index 792ac678..03b1ecb4 100644 --- a/src/Crypto/config.h +++ b/src/Crypto/config.h @@ -9,6 +9,12 @@ #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__) +# error: "Unsupported configuration" +#endif + #ifdef __GNUC__ #define CRYPTOPP_GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) #endif @@ -16,15 +22,17 @@ // 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__) + #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__) - #define CRYPTOPP_APPLE_CLANG_VERSION (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__) + #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_CLANG_VERSION) && CRYPTOPP_CLANG_VERSION <= 200000) || (defined(CRYPTOPP_APPLE_CLANG_VERSION) && CRYPTOPP_APPLE_CLANG_VERSION <= 200000) -#define CRYPTOPP_DISABLE_INTEL_ASM 1 +#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 diff --git a/src/Crypto/cpu.h b/src/Crypto/cpu.h index ab372cf8..05ce9d8f 100644 --- a/src/Crypto/cpu.h +++ b/src/Crypto/cpu.h @@ -4,6 +4,27 @@ #include "Common/Tcdefs.h" #include "config.h" +// Applies to both X86/X32/X64 and ARM32/ARM64 +#if defined(CRYPTOPP_LLVM_CLANG_VERSION) || defined(CRYPTOPP_APPLE_CLANG_VERSION) || defined(CRYPTOPP_CLANG_INTEGRATED_ASSEMBLER) + #define NEW_LINE "\n" + #define INTEL_PREFIX ".intel_syntax;" + #define INTEL_NOPREFIX ".intel_syntax;" + #define ATT_PREFIX ".att_syntax;" + #define ATT_NOPREFIX ".att_syntax;" +#elif defined(__GNUC__) + #define NEW_LINE + #define INTEL_PREFIX ".intel_syntax prefix;" + #define INTEL_NOPREFIX ".intel_syntax noprefix;" + #define ATT_PREFIX ".att_syntax prefix;" + #define ATT_NOPREFIX ".att_syntax noprefix;" +#else + #define NEW_LINE + #define INTEL_PREFIX + #define INTEL_NOPREFIX + #define ATT_PREFIX + #define ATT_NOPREFIX +#endif + #ifdef CRYPTOPP_GENERATE_X64_MASM #define CRYPTOPP_X86_ASM_AVAILABLE @@ -218,6 +239,8 @@ extern int g_hasMMX; #endif +#if CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X32 || CRYPTOPP_BOOL_X64 + #ifdef CRYPTOPP_GENERATE_X64_MASM #define AS1(x) x*newline* #define AS2(x, y) x, y*newline* @@ -241,20 +264,6 @@ extern int g_hasMMX; #else #define CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY - #if defined(CRYPTOPP_CLANG_VERSION) || defined(CRYPTOPP_APPLE_CLANG_VERSION) - #define NEW_LINE "\n" - #define INTEL_PREFIX ".intel_syntax;" - #define INTEL_NOPREFIX ".intel_syntax;" - #define ATT_PREFIX ".att_syntax;" - #define ATT_NOPREFIX ".att_syntax;" - #else - #define NEW_LINE - #define INTEL_PREFIX ".intel_syntax prefix;" - #define INTEL_NOPREFIX ".intel_syntax noprefix;" - #define ATT_PREFIX ".att_syntax prefix;" - #define ATT_NOPREFIX ".att_syntax noprefix;" - #endif - // define these in two steps to allow arguments to be expanded #define GNU_AS1(x) #x ";" NEW_LINE #define GNU_AS2(x, y) #x ", " #y ";" NEW_LINE @@ -275,21 +284,6 @@ extern int g_hasMMX; #define IF0(y) #define IF1(y) y -// Should be confined to GCC, but its used to help manage Clang 3.4 compiler error. -// Also see LLVM Bug 24232, http://llvm.org/bugs/show_bug.cgi?id=24232 . -#ifndef INTEL_PREFIX -#define INTEL_PREFIX -#endif -#ifndef INTEL_NOPREFIX -#define INTEL_NOPREFIX -#endif -#ifndef ATT_PREFIX -#define ATT_PREFIX -#endif -#ifndef ATT_NOPREFIX -#define ATT_NOPREFIX -#endif - #ifdef CRYPTOPP_GENERATE_X64_MASM #define ASM_MOD(x, y) ((x) MOD (y)) #define XMMWORD_PTR XMMWORD PTR @@ -420,6 +414,7 @@ extern int g_hasMMX; ASL(labelPrefix##9)\ AS2( add outputPtr, increment*16) +#endif // X86/X32/X64 #if defined(TC_WINDOWS_DRIVER) || defined (_UEFI) #ifdef __cplusplus -- cgit v1.2.3