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target.h
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target.h
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/* Copyright (c) 2023, Google Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
#ifndef OPENSSL_HEADER_TARGET_H
#define OPENSSL_HEADER_TARGET_H
// Preprocessor symbols that define the target platform.
//
// This file may be included in C, C++, and assembler and must be compatible
// with each environment. It is separated out only to share code between
// <ring-core/base.h> and <ring-core/asm_base.h>. Prefer to include those headers
// instead.
#if defined(__x86_64) || defined(_M_AMD64) || defined(_M_X64)
#define OPENSSL_64_BIT
#define OPENSSL_X86_64
#elif defined(__x86) || defined(__i386) || defined(__i386__) || defined(_M_IX86)
#define OPENSSL_32_BIT
#define OPENSSL_X86
#elif defined(__AARCH64EL__) || defined(_M_ARM64)
#define OPENSSL_64_BIT
#define OPENSSL_AARCH64
#elif defined(__ARMEL__) || defined(_M_ARM)
#define OPENSSL_32_BIT
#define OPENSSL_ARM
#elif defined(__loongarch_lp64)
#define OPENSSL_64_BIT
#define OPENSSL_LOONGARCH64
#elif defined(__MIPSEL__) && !defined(__LP64__)
#define OPENSSL_32_BIT
#define OPENSSL_MIPS
#elif defined(__MIPSEL__) && defined(__LP64__)
#define OPENSSL_64_BIT
#define OPENSSL_MIPS64
#elif defined(__PPC64__) || defined(__powerpc64__)
#define OPENSSL_64_BIT
#elif (defined(__PPC__) || defined(__powerpc__)) && defined(_BIG_ENDIAN)
#define OPENSSL_32_BIT
#elif defined(__riscv) && __SIZEOF_POINTER__ == 8
#define OPENSSL_64_BIT
#define OPENSSL_RISCV64
#elif defined(__s390x__)
#define OPENSSL_64_BIT
#define OPENSSL_S390X
#elif defined(__wasm__)
#define OPENSSL_32_BIT
#else
// Note BoringSSL only supports standard 32-bit and 64-bit two's-complement,
// little-endian architectures. Functions will not produce the correct answer
// on other systems. Run the crypto_test binary, notably
// crypto/compiler_test.cc, before adding a new architecture.
#error "Unknown target CPU"
#endif
#if defined(__APPLE__)
#define OPENSSL_APPLE
#endif
#if defined(_WIN32)
#define OPENSSL_WINDOWS
#endif
// Trusty isn't Linux but currently defines __linux__. As a workaround, we
// exclude it here.
// TODO(b/169780122): Remove this workaround once Trusty no longer defines it.
#if defined(__linux__) && !defined(__TRUSTY__)
#define OPENSSL_LINUX
#endif
#if defined(__Fuchsia__)
#define OPENSSL_FUCHSIA
#endif
#if defined(__TRUSTY__)
#define OPENSSL_TRUSTY
#define OPENSSL_NO_POSIX_IO
#define OPENSSL_NO_SOCK
#define OPENSSL_NO_THREADS_CORRUPT_MEMORY_AND_LEAK_SECRETS_IF_THREADED
#endif
#if defined(OPENSSL_NANOLIBC)
#define OPENSSL_NO_POSIX_IO
#define OPENSSL_NO_SOCK
#define OPENSSL_NO_THREADS_CORRUPT_MEMORY_AND_LEAK_SECRETS_IF_THREADED
#endif
#if defined(__ANDROID_API__)
#define OPENSSL_ANDROID
#endif
#if defined(__FreeBSD__)
#define OPENSSL_FREEBSD
#endif
#if defined(__OpenBSD__)
#define OPENSSL_OPENBSD
#endif
// BoringSSL requires platform's locking APIs to make internal global state
// thread-safe, including the PRNG. On some single-threaded embedded platforms,
// locking APIs may not exist, so this dependency may be disabled with the
// following build flag.
//
// IMPORTANT: Doing so means the consumer promises the library will never be
// used in any multi-threaded context. It causes BoringSSL to be globally
// thread-unsafe. Setting it inappropriately will subtly and unpredictably
// corrupt memory and leak secret keys.
//
// Do not set this flag on any platform where threads are possible. BoringSSL
// maintainers will not provide support for any consumers that do so. Changes
// which break such unsupported configurations will not be reverted.
#if !defined(OPENSSL_NO_THREADS_CORRUPT_MEMORY_AND_LEAK_SECRETS_IF_THREADED)
#define OPENSSL_THREADS
#endif
#if defined(BORINGSSL_UNSAFE_FUZZER_MODE) && \
!defined(BORINGSSL_UNSAFE_DETERMINISTIC_MODE)
#define BORINGSSL_UNSAFE_DETERMINISTIC_MODE
#endif
#if defined(__has_feature)
#if __has_feature(address_sanitizer)
#define OPENSSL_ASAN
#endif
#if __has_feature(thread_sanitizer)
#define OPENSSL_TSAN
#endif
#if __has_feature(memory_sanitizer)
#define OPENSSL_MSAN
#define OPENSSL_ASM_INCOMPATIBLE
#endif
#if __has_feature(hwaddress_sanitizer)
#define OPENSSL_HWASAN
#endif
#endif
#if defined(OPENSSL_ASM_INCOMPATIBLE)
#undef OPENSSL_ASM_INCOMPATIBLE
#if !defined(OPENSSL_NO_ASM)
#define OPENSSL_NO_ASM
#endif
#endif // OPENSSL_ASM_INCOMPATIBLE
#endif // OPENSSL_HEADER_TARGET_H