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/config.h" 15 #include "src/__support/macros/properties/architectures.h" 16 17 #ifdef LIBC_TARGET_ARCH_IS_X86_32 18 #include "i386/syscall.h" 19 #elif defined(LIBC_TARGET_ARCH_IS_X86_64) 20 #include "x86_64/syscall.h" 21 #elif defined(LIBC_TARGET_ARCH_IS_AARCH64) 22 #include "aarch64/syscall.h" 23 #elif defined(LIBC_TARGET_ARCH_IS_ARM) 24 #include "arm/syscall.h" 25 #elif defined(LIBC_TARGET_ARCH_IS_ANY_RISCV) 26 #include "riscv/syscall.h" 27 #endif 28 29 namespace LIBC_NAMESPACE_DECL { 30 31 template <typename R, typename... Ts> syscall_impl(long __number,Ts...ts)32LIBC_INLINE R syscall_impl(long __number, Ts... ts) { 33 static_assert(sizeof...(Ts) <= 6, "Too many arguments for syscall"); 34 return cpp::bit_or_static_cast<R>(syscall_impl(__number, (long)ts...)); 35 } 36 37 } // namespace LIBC_NAMESPACE_DECL 38 39 #endif // LLVM_LIBC_SRC___SUPPORT_OSUTIL_LINUX_SYSCALL_H 40