github.com/SagerNet/gvisor@v0.0.0-20210707092255-7731c139d75c/pkg/sentry/strace/mmap.go (about)

     1  // Copyright 2021 The gVisor Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package strace
    16  
    17  import (
    18  	"github.com/SagerNet/gvisor/pkg/abi"
    19  	"github.com/SagerNet/gvisor/pkg/abi/linux"
    20  )
    21  
    22  // ProtectionFlagSet represents the protection to mmap(2).
    23  var ProtectionFlagSet = abi.FlagSet{
    24  	{
    25  		Flag: linux.PROT_READ,
    26  		Name: "PROT_READ",
    27  	},
    28  	{
    29  		Flag: linux.PROT_WRITE,
    30  		Name: "PROT_WRITE",
    31  	},
    32  	{
    33  		Flag: linux.PROT_EXEC,
    34  		Name: "PROT_EXEC",
    35  	},
    36  }
    37  
    38  // MmapFlagSet is the set of mmap(2) flags.
    39  var MmapFlagSet = abi.FlagSet{
    40  	{
    41  		Flag: linux.MAP_SHARED,
    42  		Name: "MAP_SHARED",
    43  	},
    44  	{
    45  		Flag: linux.MAP_PRIVATE,
    46  		Name: "MAP_PRIVATE",
    47  	},
    48  	{
    49  		Flag: linux.MAP_FIXED,
    50  		Name: "MAP_FIXED",
    51  	},
    52  	{
    53  		Flag: linux.MAP_ANONYMOUS,
    54  		Name: "MAP_ANONYMOUS",
    55  	},
    56  	{
    57  		Flag: linux.MAP_GROWSDOWN,
    58  		Name: "MAP_GROWSDOWN",
    59  	},
    60  	{
    61  		Flag: linux.MAP_DENYWRITE,
    62  		Name: "MAP_DENYWRITE",
    63  	},
    64  	{
    65  		Flag: linux.MAP_EXECUTABLE,
    66  		Name: "MAP_EXECUTABLE",
    67  	},
    68  	{
    69  		Flag: linux.MAP_LOCKED,
    70  		Name: "MAP_LOCKED",
    71  	},
    72  	{
    73  		Flag: linux.MAP_NORESERVE,
    74  		Name: "MAP_NORESERVE",
    75  	},
    76  	{
    77  		Flag: linux.MAP_POPULATE,
    78  		Name: "MAP_POPULATE",
    79  	},
    80  	{
    81  		Flag: linux.MAP_NONBLOCK,
    82  		Name: "MAP_NONBLOCK",
    83  	},
    84  	{
    85  		Flag: linux.MAP_STACK,
    86  		Name: "MAP_STACK",
    87  	},
    88  	{
    89  		Flag: linux.MAP_HUGETLB,
    90  		Name: "MAP_HUGETLB",
    91  	},
    92  }