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Move mm.vma save/restore to save_restore.go.

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PiperOrigin-RevId: 581078934
This commit is contained in:
Jamie Liu
2023-11-09 17:55:49 -08:00
committed by gVisor bot
parent 5a78e12e2f
commit 2475303d89
2 changed files with 88 additions and 88 deletions
Download Patch File Download Diff File Expand all files Collapse all files
pkg/sentry/mm/mm.go
-88
View File
@@ -325,94 +325,6 @@ type vma struct {
lastFault uintptr
}
const (
vmaRealPermsRead = 1 << iota
vmaRealPermsWrite
vmaRealPermsExecute
vmaEffectivePermsRead
vmaEffectivePermsWrite
vmaEffectivePermsExecute
vmaMaxPermsRead
vmaMaxPermsWrite
vmaMaxPermsExecute
vmaPrivate
vmaGrowsDown
)
func (v *vma) saveRealPerms() int {
var b int
if v.realPerms.Read {
b |= vmaRealPermsRead
}
if v.realPerms.Write {
b |= vmaRealPermsWrite
}
if v.realPerms.Execute {
b |= vmaRealPermsExecute
}
if v.effectivePerms.Read {
b |= vmaEffectivePermsRead
}
if v.effectivePerms.Write {
b |= vmaEffectivePermsWrite
}
if v.effectivePerms.Execute {
b |= vmaEffectivePermsExecute
}
if v.maxPerms.Read {
b |= vmaMaxPermsRead
}
if v.maxPerms.Write {
b |= vmaMaxPermsWrite
}
if v.maxPerms.Execute {
b |= vmaMaxPermsExecute
}
if v.private {
b |= vmaPrivate
}
if v.growsDown {
b |= vmaGrowsDown
}
return b
}
func (v *vma) loadRealPerms(b int) {
if b&vmaRealPermsRead > 0 {
v.realPerms.Read = true
}
if b&vmaRealPermsWrite > 0 {
v.realPerms.Write = true
}
if b&vmaRealPermsExecute > 0 {
v.realPerms.Execute = true
}
if b&vmaEffectivePermsRead > 0 {
v.effectivePerms.Read = true
}
if b&vmaEffectivePermsWrite > 0 {
v.effectivePerms.Write = true
}
if b&vmaEffectivePermsExecute > 0 {
v.effectivePerms.Execute = true
}
if b&vmaMaxPermsRead > 0 {
v.maxPerms.Read = true
}
if b&vmaMaxPermsWrite > 0 {
v.maxPerms.Write = true
}
if b&vmaMaxPermsExecute > 0 {
v.maxPerms.Execute = true
}
if b&vmaPrivate > 0 {
v.private = true
}
if b&vmaGrowsDown > 0 {
v.growsDown = true
}
}
func (v *vma) copy() vma {
return vma{
mappable: v.mappable,
pkg/sentry/mm/save_restore.go
+88
View File
@@ -55,3 +55,91 @@ func (mm *MemoryManager) afterLoad() {
pseg.ValuePtr().file = mf
}
}
const (
vmaRealPermsRead = 1 << iota
vmaRealPermsWrite
vmaRealPermsExecute
vmaEffectivePermsRead
vmaEffectivePermsWrite
vmaEffectivePermsExecute
vmaMaxPermsRead
vmaMaxPermsWrite
vmaMaxPermsExecute
vmaPrivate
vmaGrowsDown
)
func (v *vma) saveRealPerms() int {
var b int
if v.realPerms.Read {
b |= vmaRealPermsRead
}
if v.realPerms.Write {
b |= vmaRealPermsWrite
}
if v.realPerms.Execute {
b |= vmaRealPermsExecute
}
if v.effectivePerms.Read {
b |= vmaEffectivePermsRead
}
if v.effectivePerms.Write {
b |= vmaEffectivePermsWrite
}
if v.effectivePerms.Execute {
b |= vmaEffectivePermsExecute
}
if v.maxPerms.Read {
b |= vmaMaxPermsRead
}
if v.maxPerms.Write {
b |= vmaMaxPermsWrite
}
if v.maxPerms.Execute {
b |= vmaMaxPermsExecute
}
if v.private {
b |= vmaPrivate
}
if v.growsDown {
b |= vmaGrowsDown
}
return b
}
func (v *vma) loadRealPerms(b int) {
if b&vmaRealPermsRead > 0 {
v.realPerms.Read = true
}
if b&vmaRealPermsWrite > 0 {
v.realPerms.Write = true
}
if b&vmaRealPermsExecute > 0 {
v.realPerms.Execute = true
}
if b&vmaEffectivePermsRead > 0 {
v.effectivePerms.Read = true
}
if b&vmaEffectivePermsWrite > 0 {
v.effectivePerms.Write = true
}
if b&vmaEffectivePermsExecute > 0 {
v.effectivePerms.Execute = true
}
if b&vmaMaxPermsRead > 0 {
v.maxPerms.Read = true
}
if b&vmaMaxPermsWrite > 0 {
v.maxPerms.Write = true
}
if b&vmaMaxPermsExecute > 0 {
v.maxPerms.Execute = true
}
if b&vmaPrivate > 0 {
v.private = true
}
if b&vmaGrowsDown > 0 {
v.growsDown = true
}
}