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gVisor bot
50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
// Copyright 2018 The gVisor Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <sys/syscall.h>
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#include <unistd.h>
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#include "gtest/gtest.h"
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#include "test/util/test_util.h"
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namespace gvisor {
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namespace testing {
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namespace {
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#if defined(__x86_64__)
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// get_kernel_syms is not supported in Linux > 2.6, and not implemented in
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// gVisor.
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constexpr uint32_t kNotImplementedSyscall = SYS_get_kernel_syms;
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#elif defined(__aarch64__)
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// Use the last of arch_specific_syscalls which are not implemented on arm64.
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constexpr uint32_t kNotImplementedSyscall = __NR_arch_specific_syscall + 15;
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#elif defined(__riscv)
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// `__NR_arch_specific_syscall + 15` is used on RISC-V for
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// `sys_riscv_flush_icache(). Use `__NR_arch_specific_syscall + 14` instead.
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constexpr uint32_t kNotImplementedSyscall = __NR_arch_specific_syscall + 14;
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#endif
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TEST(BadSyscallTest, NotImplemented) {
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EXPECT_THAT(syscall(kNotImplementedSyscall), SyscallFailsWithErrno(ENOSYS));
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}
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TEST(BadSyscallTest, NegativeOne) {
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EXPECT_THAT(syscall(-1), SyscallFailsWithErrno(ENOSYS));
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}
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} // namespace
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} // namespace testing
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} // namespace gvisor
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