e966cad608
In commit c72a5aa710eebf001d7e020b042e9971ce9ef6b6 we removed the big-endian-only check for 32-bit PowerPC. Add it back.
161 lines
5.2 KiB
C
161 lines
5.2 KiB
C
/* Copyright (c) 2023, Google Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
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#ifndef OPENSSL_HEADER_TARGET_H
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#define OPENSSL_HEADER_TARGET_H
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// Preprocessor symbols that define the target platform.
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//
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// This file may be included in C, C++, and assembler and must be compatible
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// with each environment. It is separated out only to share code between
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// <ring-core/base.h> and <ring-core/asm_base.h>. Prefer to include those headers
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// instead.
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#if defined(__x86_64) || defined(_M_AMD64) || defined(_M_X64)
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#define OPENSSL_64_BIT
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#define OPENSSL_X86_64
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#elif defined(__x86) || defined(__i386) || defined(__i386__) || defined(_M_IX86)
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#define OPENSSL_32_BIT
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#define OPENSSL_X86
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#elif defined(__AARCH64EL__) || defined(_M_ARM64)
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#define OPENSSL_64_BIT
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#define OPENSSL_AARCH64
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#elif defined(__ARMEL__) || defined(_M_ARM)
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#define OPENSSL_32_BIT
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#define OPENSSL_ARM
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#elif defined(__loongarch_lp64)
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#define OPENSSL_64_BIT
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#elif defined(__riscv) && __SIZEOF_POINTER__ == 8
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#define OPENSSL_64_BIT
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#elif defined(__wasm__)
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#define OPENSSL_32_BIT
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// All of following architectures are only supported when `__BYTE_ORDER__` can be used to detect
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// endianness (in crypto/internal.h).
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#elif !defined(__BYTE_ORDER__)
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#error "Cannot determine endianness because __BYTE_ORDER__ is not defined"
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// Targets are assumed to be little-endian unless __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__.
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#elif !(defined(__ORDER_LITTLE_ENDIAN__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)) && \
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!(defined(__ORDER_BIG_ENDIAN__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__))
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#error "Unsupported endianness"
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#elif defined(__MIPSEL__) && !defined(__LP64__)
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#define OPENSSL_32_BIT
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#elif defined(__MIPSEL__) && defined(__LP64__)
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#define OPENSSL_64_BIT
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#elif defined(__MIPSEB__) && !defined(__LP64__)
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#define OPENSSL_32_BIT
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#elif defined(__PPC64__) || defined(__powerpc64__)
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#define OPENSSL_64_BIT
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#elif (defined(__PPC__) || defined(__powerpc__)) && defined(_BIG_ENDIAN)
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#define OPENSSL_32_BIT
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#elif defined(__s390x__)
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#define OPENSSL_64_BIT
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#else
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#error "Unknown target CPU"
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#endif
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#if defined(__APPLE__)
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#define OPENSSL_APPLE
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#endif
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#if defined(_WIN32)
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#define OPENSSL_WINDOWS
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#endif
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// Trusty isn't Linux but currently defines __linux__. As a workaround, we
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// exclude it here.
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// TODO(b/169780122): Remove this workaround once Trusty no longer defines it.
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#if defined(__linux__) && !defined(__TRUSTY__)
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#define OPENSSL_LINUX
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#endif
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#if defined(__Fuchsia__)
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#define OPENSSL_FUCHSIA
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#endif
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#if defined(__TRUSTY__)
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#define OPENSSL_TRUSTY
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#define OPENSSL_NO_POSIX_IO
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#define OPENSSL_NO_SOCK
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#define OPENSSL_NO_THREADS_CORRUPT_MEMORY_AND_LEAK_SECRETS_IF_THREADED
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#endif
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#if defined(OPENSSL_NANOLIBC)
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#define OPENSSL_NO_POSIX_IO
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#define OPENSSL_NO_SOCK
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#define OPENSSL_NO_THREADS_CORRUPT_MEMORY_AND_LEAK_SECRETS_IF_THREADED
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#endif
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#if defined(__ANDROID_API__)
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#define OPENSSL_ANDROID
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#endif
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#if defined(__FreeBSD__)
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#define OPENSSL_FREEBSD
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#endif
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#if defined(__OpenBSD__)
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#define OPENSSL_OPENBSD
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#endif
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// BoringSSL requires platform's locking APIs to make internal global state
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// thread-safe, including the PRNG. On some single-threaded embedded platforms,
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// locking APIs may not exist, so this dependency may be disabled with the
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// following build flag.
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//
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// IMPORTANT: Doing so means the consumer promises the library will never be
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// used in any multi-threaded context. It causes BoringSSL to be globally
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// thread-unsafe. Setting it inappropriately will subtly and unpredictably
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// corrupt memory and leak secret keys.
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//
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// Do not set this flag on any platform where threads are possible. BoringSSL
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// maintainers will not provide support for any consumers that do so. Changes
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// which break such unsupported configurations will not be reverted.
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#if !defined(OPENSSL_NO_THREADS_CORRUPT_MEMORY_AND_LEAK_SECRETS_IF_THREADED)
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#define OPENSSL_THREADS
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#endif
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#if defined(BORINGSSL_UNSAFE_FUZZER_MODE) && \
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!defined(BORINGSSL_UNSAFE_DETERMINISTIC_MODE)
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#define BORINGSSL_UNSAFE_DETERMINISTIC_MODE
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#endif
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#if defined(__has_feature)
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#if __has_feature(address_sanitizer)
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#define OPENSSL_ASAN
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#endif
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#if __has_feature(thread_sanitizer)
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#define OPENSSL_TSAN
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#endif
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#if __has_feature(memory_sanitizer)
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#define OPENSSL_MSAN
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#define OPENSSL_ASM_INCOMPATIBLE
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#endif
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#if __has_feature(hwaddress_sanitizer)
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#define OPENSSL_HWASAN
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#endif
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#endif
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#if defined(OPENSSL_ASM_INCOMPATIBLE)
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#undef OPENSSL_ASM_INCOMPATIBLE
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#if !defined(OPENSSL_NO_ASM)
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#define OPENSSL_NO_ASM
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#endif
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#endif // OPENSSL_ASM_INCOMPATIBLE
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#if !defined(OPENSSL_X86_64) && !defined(OPENSSL_AARCH64)
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#define OPENSSL_SMALL
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#endif
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#endif // OPENSSL_HEADER_TARGET_H
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