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Andrei VaginandgVisor bot
03a28d158e
Now we don't need to trigger a second fault to figure out whether it was write or read access. Fixes #11008 Co-developed-by: Jamie Liu <jamieliu@google.com> PiperOrigin-RevId: 697677262
34 lines
971 B
Go
34 lines
971 B
Go
// Copyright 2023 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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//go:build amd64
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// +build amd64
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package linux
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// TASK_SIZE can be one of two values, corresponding to 4-level and 5-level
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// paging.
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//
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// The array has to be sorted in decreasing order.
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var feasibleTaskSizes = []uintptr{0xfffffffffff000, 0x7ffffffff000}
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// Page fault error codes
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const (
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X86_PF_PROT = 1 << iota
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X86_PF_WRITE
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X86_PF_USER
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X86_PF_RSVD
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X86_PF_INSTR
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)
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