mirror of
https://github.com/netbirdio/gvisor.git
synced 2026-05-22 17:12:49 -07:00
Ayush Ranjan
7e395bbbd4
This allows for external information to be passed to restore code.
Similar to c087777e37 ("Plumb restore context to afterLoad()").
Updates #1956.
PiperOrigin-RevId: 614125262
49 lines
1.3 KiB
Go
49 lines
1.3 KiB
Go
// 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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package kernel
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import (
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"context"
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"fmt"
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"gvisor.dev/gvisor/pkg/abi"
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"gvisor.dev/gvisor/pkg/sentry/arch"
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)
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// syscallTableInfo is used to reload the SyscallTable.
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//
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// +stateify savable
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type syscallTableInfo struct {
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OS abi.OS
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Arch arch.Arch
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}
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// saveSt saves the SyscallTable.
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func (image *TaskImage) saveSt() syscallTableInfo {
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return syscallTableInfo{
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OS: image.st.OS,
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Arch: image.st.Arch,
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}
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}
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// loadSt loads the SyscallTable.
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func (image *TaskImage) loadSt(_ context.Context, sti syscallTableInfo) {
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st, ok := LookupSyscallTable(sti.OS, sti.Arch)
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if !ok {
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panic(fmt.Sprintf("syscall table not found for OS %v, Arch %v", sti.OS, sti.Arch))
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}
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image.st = st // Save the table reference.
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}
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