123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211 |
- // config_cpu.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_cpu.h
- /// \brief Library configuration file
- /// \details <tt>config_cpu.h</tt> provides defines for the cpu and machine
- /// architecture.
- /// \details <tt>config.h</tt> was split into components in May 2019 to better
- /// integrate with Autoconf and its feature tests. The splitting occurred 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.
- /// \note You should include <tt>config.h</tt> rather than <tt>config_cpu.h</tt>
- /// directly.
- /// \sa <A HREF="https://github.com/weidai11/cryptopp/issues/835">Issue 835,
- /// Make config.h more autoconf friendly</A>,
- /// <A HREF="https://www.cryptopp.com/wiki/Configure.sh">Configure.sh script</A>
- /// on the Crypto++ wiki,
- /// <A HREF="https://sourceforge.net/p/predef/wiki/Architectures/">Sourceforge
- /// Pre-defined Compiler Macros</A>
- /// \since Crypto++ 8.3
- #ifndef CRYPTOPP_CONFIG_CPU_H
- #define CRYPTOPP_CONFIG_CPU_H
- #include "config_ver.h"
- #if defined(CRYPTOPP_DOXYGEN_PROCESSING)
- /// \brief 32-bit x32 platform
- /// \details CRYPTOPP_BOOL_X32 is defined to 1 when building the library
- /// for a 32-bit x32 platform. Otherwise, the macro is not defined.
- /// \details x32 is sometimes referred to as x86_32. x32 is the ILP32 data
- /// model on a 64-bit cpu. Integers, longs and pointers are 32-bit but the
- /// program runs on a 64-bit cpu.
- /// \details The significance of x32 is, inline assembly must operate on
- /// 64-bit registers, not 32-bit registers. That means, for example,
- /// function prologues and epilogues must push and pop RSP, not ESP.
- /// \note: Clang defines __ILP32__ on any 32-bit platform. Therefore,
- /// CRYPTOPP_BOOL_X32 depends upon both __ILP32__ and __x86_64__.
- /// \sa <A HREF="https://wiki.debian.org/X32Port">Debian X32 Port</A>,
- /// <A HREF="https://wiki.gentoo.org/wiki/Project:Multilib/Concepts">Gentoo
- /// Multilib Concepts</A>
- #define CRYPTOPP_BOOL_X32 ...
- /// \brief 32-bit x86 platform
- /// \details CRYPTOPP_BOOL_X64 is defined to 1 when building the library
- /// for a 64-bit x64 platform. Otherwise, the macro is not defined.
- #define CRYPTOPP_BOOL_X64 ...
- /// \brief 32-bit x86 platform
- /// \details CRYPTOPP_BOOL_X86 is defined to 1 when building the library
- /// for a 32-bit x86 platform. Otherwise, the macro is not defined.
- #define CRYPTOPP_BOOL_X86 ...
- #elif (defined(__ILP32__) || defined(_ILP32)) && defined(__x86_64__)
- #define CRYPTOPP_BOOL_X32 1
- #elif (defined(_M_X64) || defined(__x86_64__))
- #define CRYPTOPP_BOOL_X64 1
- #elif (defined(_M_IX86) || defined(__i386__) || defined(__i386) || defined(_X86_) || defined(__I86__) || defined(__INTEL__))
- #define CRYPTOPP_BOOL_X86 1
- #endif
- #if defined(CRYPTOPP_DOXYGEN_PROCESSING)
- /// \brief ARMv8 platform
- /// \details CRYPTOPP_BOOL_ARMV8 is defined to 1 when building the library
- /// for an ARMv8 platform. Otherwise, the macro is not defined.
- /// \details ARMv8 includes both Aarch32 and Aarch64. Aarch32 is a 32-bit
- /// execution environment on Aarch64.
- #define CRYPTOPP_BOOL_ARMV8 ...
- /// \brief 64-bit ARM platform
- /// \details CRYPTOPP_BOOL_ARM64 is defined to 1 when building the library
- /// for a 64-bit x64 platform. Otherwise, the macro is not defined.
- /// \details Currently the macro indicates an ARM 64-bit architecture.
- #define CRYPTOPP_BOOL_ARM64 ...
- /// \brief 32-bit ARM platform
- /// \details CRYPTOPP_BOOL_ARM32 is defined to 1 when building the library
- /// for a 32-bit ARM platform. Otherwise, the macro is not defined.
- /// \details Currently the macro indicates an ARM A-32 architecture.
- #define CRYPTOPP_BOOL_ARM32 ...
- #elif defined(__arm64__) || defined(__aarch32__) || defined(__aarch64__) || defined(_M_ARM64)
- // Microsoft added ARM64 define December 2017.
- #define CRYPTOPP_BOOL_ARMV8 1
- #endif
- #if defined(__arm64__) || defined(__aarch64__) || defined(_M_ARM64)
- #define CRYPTOPP_BOOL_ARM64 1
- #elif defined(__arm__) || defined(_M_ARM)
- #define CRYPTOPP_BOOL_ARM32 1
- #endif
- #if defined(CRYPTOPP_DOXYGEN_PROCESSING)
- /// \brief 64-bit PowerPC platform
- /// \details CRYPTOPP_BOOL_PPC64 is defined to 1 when building the library
- /// for a 64-bit PowerPC platform. Otherwise, the macro is not defined.
- #define CRYPTOPP_BOOL_PPC64 ...
- /// \brief 32-bit PowerPC platform
- /// \details CRYPTOPP_BOOL_PPC32 is defined to 1 when building the library
- /// for a 32-bit PowerPC platform. Otherwise, the macro is not defined.
- #define CRYPTOPP_BOOL_PPC32 ...
- #elif defined(__ppc64__) || defined(__powerpc64__) || defined(__PPC64__) || defined(_ARCH_PPC64)
- #define CRYPTOPP_BOOL_PPC64 1
- #elif defined(__powerpc__) || defined(__ppc__) || defined(__PPC__) || defined(_ARCH_PPC)
- #define CRYPTOPP_BOOL_PPC32 1
- #endif
- #if defined(CRYPTOPP_DOXYGEN_PROCESSING)
- /// \brief 64-bit MIPS platform
- /// \details CRYPTOPP_BOOL_MIPS64 is defined to 1 when building the library
- /// for a 64-bit MIPS platform. Otherwise, the macro is not defined.
- #define CRYPTOPP_BOOL_MIPS64 ...
- /// \brief 64-bit MIPS platform
- /// \details CRYPTOPP_BOOL_MIPS32 is defined to 1 when building the library
- /// for a 32-bit MIPS platform. Otherwise, the macro is not defined.
- #define CRYPTOPP_BOOL_MIPS32 ...
- #elif defined(__mips64__)
- #define CRYPTOPP_BOOL_MIPS64 1
- #elif defined(__mips__)
- #define CRYPTOPP_BOOL_MIPS32 1
- #endif
- #if defined(CRYPTOPP_DOXYGEN_PROCESSING)
- /// \brief 64-bit SPARC platform
- /// \details CRYPTOPP_BOOL_SPARC64 is defined to 1 when building the library
- /// for a 64-bit SPARC platform. Otherwise, the macro is not defined.
- #define CRYPTOPP_BOOL_SPARC64 ...
- /// \brief 32-bit SPARC platform
- /// \details CRYPTOPP_BOOL_SPARC32 is defined to 1 when building the library
- /// for a 32-bit SPARC platform. Otherwise, the macro is not defined.
- #define CRYPTOPP_BOOL_SPARC32 ...
- #elif defined(__sparc64__) || defined(__sparc64) || defined(__sparcv9) || defined(__sparc_v9__)
- #define CRYPTOPP_BOOL_SPARC64 1
- #elif defined(__sparc__) || defined(__sparc) || defined(__sparcv8) || defined(__sparc_v8__)
- #define CRYPTOPP_BOOL_SPARC32 1
- #endif
- #if defined(CRYPTOPP_DOXYGEN_PROCESSING)
- /// \brief L1 data cache line size
- /// \details CRYPTOPP_L1_CACHE_LINE_SIZE should be a lower bound on the L1
- /// data cache line size. It is used for defense against some timing attacks.
- /// \details CRYPTOPP_L1_CACHE_LINE_SIZE default value on 32-bit platforms
- /// is 32, and the default value on 64-bit platforms is 64. On PowerPC the
- /// default value is 128 since all PowerPC cpu's starting at PPC 970 provide
- /// it.
- /// \note The runtime library on some PowerPC platforms misreport the size
- /// of the cache line size. The runtime library reports 64, while the cpu
- /// has a cache line size of 128.
- /// \sa <A HREF="https://bugs.centos.org/view.php?id=14599">CentOS Issue
- /// 14599: sysconf(_SC_LEVEL1_DCACHE_LINESIZE) returns 0 instead of 128</A>
- /// \since Crypto++ 5.3
- #define CRYPTOPP_L1_CACHE_LINE_SIZE ...
- #else
- #ifndef CRYPTOPP_L1_CACHE_LINE_SIZE
- #if defined(CRYPTOPP_BOOL_X32) || defined(CRYPTOPP_BOOL_X64) || defined(CRYPTOPP_BOOL_ARMV8) || \
- defined(CRYPTOPP_BOOL_MIPS64) || defined(CRYPTOPP_BOOL_SPARC64)
- #define CRYPTOPP_L1_CACHE_LINE_SIZE 64
- #elif defined(CRYPTOPP_BOOL_PPC32) || defined(CRYPTOPP_BOOL_PPC64)
- // http://lists.llvm.org/pipermail/llvm-dev/2017-March/110982.html
- #define CRYPTOPP_L1_CACHE_LINE_SIZE 128
- #else
- // L1 cache line size is 32 on Pentium III and earlier
- #define CRYPTOPP_L1_CACHE_LINE_SIZE 32
- #endif
- #endif
- #endif
- #if defined(CRYPTOPP_DOXYGEN_PROCESSING)
- /// \brief Initialized data section
- /// \details CRYPTOPP_SECTION_INIT is added to variables to place them in the
- /// initialized data section (sometimes denoted <tt>.data</tt>). The placement
- /// helps avoid "uninitialized variable" warnings from Valgrind and other tools.
- #define CRYPTOPP_SECTION_INIT ...
- #else
- // The section attribute attempts to initialize CPU flags to avoid Valgrind findings above -O1
- #if ((defined(__MACH__) && defined(__APPLE__)) && ((CRYPTOPP_LLVM_CLANG_VERSION >= 30600) || \
- (CRYPTOPP_APPLE_CLANG_VERSION >= 70100) || (CRYPTOPP_GCC_VERSION >= 40300)))
- #define CRYPTOPP_SECTION_INIT __attribute__((section ("__DATA,__data")))
- #elif (defined(__ELF__) && (CRYPTOPP_GCC_VERSION >= 40300))
- #define CRYPTOPP_SECTION_INIT __attribute__((section ("nocommon")))
- #elif defined(__ELF__) && (defined(__xlC__) || defined(__ibmxl__))
- #define CRYPTOPP_SECTION_INIT __attribute__((section ("nocommon")))
- #else
- #define CRYPTOPP_SECTION_INIT
- #endif
- #endif
- // How to disable CPU feature probing. We determine machine
- // capabilities by performing an os/platform *query* first,
- // like getauxv(). If the *query* fails, we move onto a
- // cpu *probe*. The cpu *probe* tries to exeute an instruction
- // and then catches a SIGILL on Linux or the exception
- // EXCEPTION_ILLEGAL_INSTRUCTION on Windows. Some OSes
- // fail to hangle a SIGILL gracefully, like Apple OSes. Apple
- // machines corrupt memory and variables around the probe.
- #if defined(__APPLE__)
- #define CRYPTOPP_NO_CPU_FEATURE_PROBES 1
- #endif
- // Flavor of inline assembly language
- #if defined(CRYPTOPP_DOXYGEN_PROCESSING)
- /// \brief Microsoft style inline assembly
- /// \details CRYPTOPP_MS_STYLE_INLINE_ASSEMBLY is defined when either
- /// <tt>_MSC_VER</tt> or <tt>__BORLANDC__</tt> are defined.
- #define CRYPTOPP_MS_STYLE_INLINE_ASSEMBLY ...
- /// \brief GNU style inline assembly
- /// \details CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY is defined when neither
- /// <tt>_MSC_VER</tt> nor <tt>__BORLANDC__</tt> are defined.
- #define CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY ...
- #elif defined(_MSC_VER) || defined(__BORLANDC__)
- #define CRYPTOPP_MS_STYLE_INLINE_ASSEMBLY 1
- #else
- #define CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY 1
- #endif
- #endif // CRYPTOPP_CONFIG_CPU_H
|