xref: /llvm-project/libc/test/src/__support/OSUtil/linux/x86_64/syscall_test.cpp (revision b6bc9d72f65a5086f310f321e969d96e9a559e75)
1 //===-- Unittests for x86_64 syscalls -------------------------------------===//
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 #include "src/__support/CPP/functional.h"
10 #include "src/__support/OSUtil/syscall.h"
11 #include "test/UnitTest/Test.h"
12 
TEST(LlvmLibcX86_64_SyscallTest,APITest)13 TEST(LlvmLibcX86_64_SyscallTest, APITest) {
14   // We only do a signature test here. Actual functionality tests are
15   // done by the unit tests of the syscall wrappers like mmap.
16 
17   using LIBC_NAMESPACE::cpp::function;
18 
19   function<long(long)> f(
20       [](long n) { return LIBC_NAMESPACE::syscall_impl<long>(n); });
21   function<long(long, long)> f1([](long n, long a1) {
22     return LIBC_NAMESPACE::syscall_impl<long>(n, a1);
23   });
24   function<long(long, long, long)> f2([](long n, long a1, long a2) {
25     return LIBC_NAMESPACE::syscall_impl<long>(n, a1, a2);
26   });
27   function<long(long, long, long, long)> f3(
28       [](long n, long a1, long a2, long a3) {
29         return LIBC_NAMESPACE::syscall_impl<long>(n, a1, a2, a3);
30       });
31   function<long(long, long, long, long, long)> f4(
32       [](long n, long a1, long a2, long a3, long a4) {
33         return LIBC_NAMESPACE::syscall_impl<long>(n, a1, a2, a3, a4);
34       });
35   function<long(long, long, long, long, long, long)> f5(
36       [](long n, long a1, long a2, long a3, long a4, long a5) {
37         return LIBC_NAMESPACE::syscall_impl<long>(n, a1, a2, a3, a4, a5);
38       });
39   function<long(long, long, long, long, long, long, long)> f6(
40       [](long n, long a1, long a2, long a3, long a4, long a5, long a6) {
41         return LIBC_NAMESPACE::syscall_impl<long>(n, a1, a2, a3, a4, a5, a6);
42       });
43 
44   function<long(long, void *)> not_long_type([](long n, void *a1) {
45     return LIBC_NAMESPACE::syscall_impl<long>(n, a1);
46   });
47 }
48