| // Copyright 2020 The BoringSSL Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // https://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef OPENSSL_HEADER_CRYPTO_RAND_GETRANDOM_FILLIN_H |
| #define OPENSSL_HEADER_CRYPTO_RAND_GETRANDOM_FILLIN_H |
| |
| #include <openssl/base.h> |
| |
| |
| #if defined(OPENSSL_LINUX) |
| |
| #include <sys/syscall.h> |
| |
| #if defined(OPENSSL_X86_64) |
| #define EXPECTED_NR_getrandom 318 |
| #elif defined(OPENSSL_X86) |
| #define EXPECTED_NR_getrandom 355 |
| #elif defined(OPENSSL_AARCH64) |
| #define EXPECTED_NR_getrandom 278 |
| #elif defined(OPENSSL_ARM) |
| #define EXPECTED_NR_getrandom 384 |
| #elif defined(OPENSSL_RISCV64) |
| #define EXPECTED_NR_getrandom 278 |
| #endif |
| |
| #if defined(EXPECTED_NR_getrandom) |
| #define USE_NR_getrandom |
| |
| #if defined(__NR_getrandom) |
| |
| #if __NR_getrandom != EXPECTED_NR_getrandom |
| #error "system call number for getrandom is not the expected value" |
| #endif |
| |
| #else // __NR_getrandom |
| |
| #define __NR_getrandom EXPECTED_NR_getrandom |
| |
| #endif // __NR_getrandom |
| |
| #endif // EXPECTED_NR_getrandom |
| |
| #if !defined(GRND_NONBLOCK) |
| #define GRND_NONBLOCK 1 |
| #endif |
| #if !defined(GRND_RANDOM) |
| #define GRND_RANDOM 2 |
| #endif |
| |
| #endif // OPENSSL_LINUX |
| |
| |
| #endif // OPENSSL_HEADER_CRYPTO_RAND_GETRANDOM_FILLIN_H |