2019-04-29 21:25:05 +00:00
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// Copyright 2018 The gVisor Authors.
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2018-04-27 17:37:02 +00:00
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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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package strace
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import (
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"syscall"
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2019-06-13 23:49:09 +00:00
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"gvisor.dev/gvisor/pkg/abi"
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2018-04-27 17:37:02 +00:00
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)
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// OpenMode represents the mode to open(2) a file.
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var OpenMode = abi.ValueSet{
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2018-12-06 19:42:23 +00:00
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syscall.O_RDWR: "O_RDWR",
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syscall.O_WRONLY: "O_WRONLY",
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syscall.O_RDONLY: "O_RDONLY",
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2018-04-27 17:37:02 +00:00
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}
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// OpenFlagSet is the set of open(2) flags.
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var OpenFlagSet = abi.FlagSet{
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{
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Flag: syscall.O_APPEND,
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Name: "O_APPEND",
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},
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{
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Flag: syscall.O_ASYNC,
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Name: "O_ASYNC",
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},
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{
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Flag: syscall.O_CLOEXEC,
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Name: "O_CLOEXEC",
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},
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{
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Flag: syscall.O_CREAT,
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Name: "O_CREAT",
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},
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{
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Flag: syscall.O_DIRECT,
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Name: "O_DIRECT",
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},
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{
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Flag: syscall.O_DIRECTORY,
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Name: "O_DIRECTORY",
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},
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{
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Flag: syscall.O_EXCL,
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Name: "O_EXCL",
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},
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{
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Flag: syscall.O_NOATIME,
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Name: "O_NOATIME",
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},
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{
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Flag: syscall.O_NOCTTY,
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Name: "O_NOCTTY",
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},
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{
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Flag: syscall.O_NOFOLLOW,
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Name: "O_NOFOLLOW",
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},
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{
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Flag: syscall.O_NONBLOCK,
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Name: "O_NONBLOCK",
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},
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{
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Flag: 0x200000, // O_PATH
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Name: "O_PATH",
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},
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{
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Flag: syscall.O_SYNC,
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Name: "O_SYNC",
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},
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{
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Flag: syscall.O_TRUNC,
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Name: "O_TRUNC",
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},
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}
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func open(val uint64) string {
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s := OpenMode.Parse(val & syscall.O_ACCMODE)
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if flags := OpenFlagSet.Parse(val &^ syscall.O_ACCMODE); flags != "" {
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s += "|" + flags
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}
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return s
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}
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