| /* 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 |
| // <openssl/base.h> and <openssl/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(__MIPSEL__) && !defined(__LP64__) |
| #define OPENSSL_32_BIT |
| #define OPENSSL_MIPS |
| #elif defined(__MIPSEL__) && defined(__LP64__) |
| #define OPENSSL_64_BIT |
| #define OPENSSL_MIPS64 |
| #elif defined(__riscv) && __SIZEOF_POINTER__ == 8 |
| #define OPENSSL_64_BIT |
| #define OPENSSL_RISCV64 |
| #elif defined(__riscv) && __SIZEOF_POINTER__ == 4 |
| #define OPENSSL_32_BIT |
| #elif defined(__pnacl__) |
| #define OPENSSL_32_BIT |
| #define OPENSSL_PNACL |
| #elif defined(__wasm__) |
| #define OPENSSL_32_BIT |
| #elif defined(__asmjs__) |
| #define OPENSSL_32_BIT |
| #elif defined(__myriad2__) |
| #define OPENSSL_32_BIT |
| #else |
| // The list above enumerates the platforms that BoringSSL supports. For these |
| // platforms we keep a reasonable bar of not breaking them: automated test |
| // coverage, for one, but also we need access to these types for machines for |
| // fixing them. |
| // |
| // However, we know that anything that seems to work will soon be expected |
| // to work and, quickly, the implicit expectation is that every machine will |
| // always work. So this list serves to mark the boundary of what we guarantee. |
| // Of course, you can run the code any many more machines, but then you're |
| // taking on the burden of fixing it and, if you're doing that, then you must |
| // be able to carry local patches. In which case patching this list is trivial. |
| // |
| // BoringSSL will only possibly work on 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 trying a new architecture. |
| #error "Unknown target CPU" |
| #endif |
| |
| #if defined(__APPLE__) |
| #define OPENSSL_APPLE |
| #endif |
| |
| #if defined(_WIN32) |
| #define OPENSSL_WINDOWS |
| #endif |
| |
| // Trusty and Android baremetal aren't Linux but currently define __linux__. |
| // As a workaround, we exclude them here. |
| // We also exclude nanolibc/CrOS EC/Zephyr. nanolibc/CrOS EC/Zephyr |
| // sometimes build for a non-Linux target (which should not define __linux__), |
| // but also sometimes build for Linux. Although technically running in Linux |
| // userspace, this lacks all the libc APIs we'd normally expect on Linux, so we |
| // treat it as a non-Linux target. |
| // |
| // TODO(b/169780122): Remove this workaround once Trusty no longer defines it. |
| // TODO(b/291101350): Remove this workaround once Android baremetal no longer |
| // defines it. |
| #if defined(__linux__) && !defined(__TRUSTY__) && \ |
| !defined(ANDROID_BAREMETAL) && !defined(OPENSSL_NANOLIBC) && \ |
| !defined(CROS_EC) && !defined(CROS_ZEPHYR) |
| #define OPENSSL_LINUX |
| #endif |
| |
| #if defined(__Fuchsia__) |
| #define OPENSSL_FUCHSIA |
| #endif |
| |
| // Trusty is Android's TEE target. See |
| // https://source.android.com/docs/security/features/trusty |
| // |
| // Defining this on any other platform is not supported. Other embedded |
| // platforms must introduce their own defines. |
| #if defined(__TRUSTY__) |
| #define OPENSSL_TRUSTY |
| #define OPENSSL_NO_FILESYSTEM |
| #define OPENSSL_NO_POSIX_IO |
| #define OPENSSL_NO_SOCK |
| #define OPENSSL_NO_THREADS_CORRUPT_MEMORY_AND_LEAK_SECRETS_IF_THREADED |
| #endif |
| |
| // nanolibc is a particular minimal libc implementation. Defining this on any |
| // other platform is not supported. Other embedded platforms must introduce |
| // their own defines. |
| #if defined(OPENSSL_NANOLIBC) |
| #define OPENSSL_NO_FILESYSTEM |
| #define OPENSSL_NO_POSIX_IO |
| #define OPENSSL_NO_SOCK |
| #define OPENSSL_NO_THREADS_CORRUPT_MEMORY_AND_LEAK_SECRETS_IF_THREADED |
| #endif |
| |
| // Android baremetal is an embedded target that uses a subset of bionic. |
| // Defining this on any other platform is not supported. Other embedded |
| // platforms must introduce their own defines. |
| #if defined(ANDROID_BAREMETAL) |
| #define OPENSSL_NO_FILESYSTEM |
| #define OPENSSL_NO_POSIX_IO |
| #define OPENSSL_NO_SOCK |
| #define OPENSSL_NO_THREADS_CORRUPT_MEMORY_AND_LEAK_SECRETS_IF_THREADED |
| #endif |
| |
| // CROS_EC is an embedded target for ChromeOS Embedded Controller. Defining |
| // this on any other platform is not supported. Other embedded platforms must |
| // introduce their own defines. |
| // |
| // https://chromium.googlesource.com/chromiumos/platform/ec/+/HEAD/README.md |
| #if defined(CROS_EC) |
| #define OPENSSL_NO_FILESYSTEM |
| #define OPENSSL_NO_POSIX_IO |
| #define OPENSSL_NO_SOCK |
| #define OPENSSL_NO_THREADS_CORRUPT_MEMORY_AND_LEAK_SECRETS_IF_THREADED |
| #endif |
| |
| // CROS_ZEPHYR is an embedded target for ChromeOS Zephyr Embedded Controller. |
| // Defining this on any other platform is not supported. Other embedded |
| // platforms must introduce their own defines. |
| // |
| // https://chromium.googlesource.com/chromiumos/platform/ec/+/HEAD/docs/zephyr/README.md |
| #if defined(CROS_ZEPHYR) |
| #define OPENSSL_NO_FILESYSTEM |
| #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 |
| |
| // Disable 32-bit Arm assembly on Apple platforms. The last iOS version that |
| // supported 32-bit Arm was iOS 10. |
| #if defined(OPENSSL_APPLE) && defined(OPENSSL_ARM) |
| #define OPENSSL_ASM_INCOMPATIBLE |
| #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 |
