1 //===----------------------- Linux syscalls ---------------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLVM_LIBC_SRC___SUPPORT_OSUTIL_LINUX_SYSCALL_H 10 #define LLVM_LIBC_SRC___SUPPORT_OSUTIL_LINUX_SYSCALL_H 11 12 #include "src/__support/CPP/bit.h" 13 #include "src/__support/common.h" 14 #include "src/__support/macros/properties/architectures.h" 15 16 #ifdef LIBC_TARGET_ARCH_IS_X86_64 17 #include "x86_64/syscall.h" 18 #elif defined(LIBC_TARGET_ARCH_IS_AARCH64) 19 #include "aarch64/syscall.h" 20 #elif defined(LIBC_TARGET_ARCH_IS_ARM) 21 #include "arm/syscall.h" 22 #elif defined(LIBC_TARGET_ARCH_IS_ANY_RISCV) 23 #include "riscv/syscall.h" 24 #endif 25 26 namespace LIBC_NAMESPACE { 27 28 template <typename R, typename... Ts> syscall_impl(long __number,Ts...ts)29LIBC_INLINE R syscall_impl(long __number, Ts... ts) { 30 static_assert(sizeof...(Ts) <= 6, "Too many arguments for syscall"); 31 return cpp::bit_or_static_cast<R>(syscall_impl(__number, (long)ts...)); 32 } 33 34 } // namespace LIBC_NAMESPACE 35 36 #endif // LLVM_LIBC_SRC___SUPPORT_OSUTIL_LINUX_SYSCALL_H 37