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> |
29 | LIBC_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 | |