You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
104 lines
4.2 KiB
104 lines
4.2 KiB
![]()
4 years ago
|
// 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.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>
|
||
|
/// <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(__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
|
||
|
|
||
|
// Microsoft added ARM64 define December 2017.
|
||
|
#if defined(__arm64__) || defined(__aarch32__) || defined(__aarch64__) || defined(_M_ARM64)
|
||
|
#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
|
||
|
|
||
|
// And PowerPC.
|
||
|
#if 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
|
||
|
|
||
|
// And MIPS. TODO: finish these defines
|
||
|
#if defined(__mips64__)
|
||
|
#define CRYPTOPP_BOOL_MIPS64 1
|
||
|
#elif defined(__mips__)
|
||
|
#define CRYPTOPP_BOOL_MIPS32 1
|
||
|
#endif
|
||
|
|
||
|
// And SPARC.
|
||
|
#if 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
|
||
|
|
||
|
// This should be a lower bound on the L1 cache line size.
|
||
|
// It's used for defense against timing attacks.
|
||
|
#ifndef CRYPTOPP_L1_CACHE_LINE_SIZE
|
||
|
#if defined(CRYPTOPP_BOOL_X32) || defined(CRYPTOPP_BOOL_X64) || defined(CRYPTOPP_BOOL_ARMV8) || \
|
||
|
defined(CRYPTOPP_BOOL_PPC64) || defined(CRYPTOPP_BOOL_MIPS64) || defined(CRYPTOPP_BOOL_SPARC64)
|
||
|
#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
|
||
|
|
||
|
// 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
|
||
|
|
||
|
// 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(_MSC_VER) || defined(__BORLANDC__)
|
||
|
#define CRYPTOPP_MS_STYLE_INLINE_ASSEMBLY 1
|
||
|
#else
|
||
|
#define CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY 1
|
||
|
#endif
|
||
|
|
||
|
#endif
|