// Copyright 2018 The gVisor 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 // // http://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. #include <sys/syscall.h> #include <unistd.h> #include "gtest/gtest.h" #include "test/util/test_util.h" namespace gvisor { namespace testing { namespace { #ifdef __x86_64__ // get_kernel_syms is not supported in Linux > 2.6, and not implemented in // gVisor. constexpr uint32_t kNotImplementedSyscall = SYS_get_kernel_syms; #elif __aarch64__ // Use the last of arch_specific_syscalls which are not implemented on arm64. constexpr uint32_t kNotImplementedSyscall = __NR_arch_specific_syscall + 15; #endif TEST(BadSyscallTest, NotImplemented) { EXPECT_THAT(syscall(kNotImplementedSyscall), SyscallFailsWithErrno(ENOSYS)); } TEST(BadSyscallTest, NegativeOne) { EXPECT_THAT(syscall(-1), SyscallFailsWithErrno(ENOSYS)); } } // namespace } // namespace testing } // namespace gvisor