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-rw-r--r--pkg/sentry/fs/lock/lock_range.go14
-rw-r--r--pkg/sentry/kernel/auth/id_map_range.go14
-rw-r--r--pkg/sentry/memmap/file_range.go14
-rw-r--r--pkg/sentry/memmap/mappable_range.go14
-rw-r--r--pkg/sentry/pgalloc/evictable_range.go14
-rw-r--r--pkg/state/addr_range.go14
-rw-r--r--pkg/usermem/addr_range.go14
7 files changed, 98 insertions, 0 deletions
diff --git a/pkg/sentry/fs/lock/lock_range.go b/pkg/sentry/fs/lock/lock_range.go
index 7a6f77640..13a2cce6e 100644
--- a/pkg/sentry/fs/lock/lock_range.go
+++ b/pkg/sentry/fs/lock/lock_range.go
@@ -13,27 +13,37 @@ type LockRange struct {
// WellFormed returns true if r.Start <= r.End. All other methods on a Range
// require that the Range is well-formed.
+//
+//go:nosplit
func (r LockRange) WellFormed() bool {
return r.Start <= r.End
}
// Length returns the length of the range.
+//
+//go:nosplit
func (r LockRange) Length() uint64 {
return r.End - r.Start
}
// Contains returns true if r contains x.
+//
+//go:nosplit
func (r LockRange) Contains(x uint64) bool {
return r.Start <= x && x < r.End
}
// Overlaps returns true if r and r2 overlap.
+//
+//go:nosplit
func (r LockRange) Overlaps(r2 LockRange) bool {
return r.Start < r2.End && r2.Start < r.End
}
// IsSupersetOf returns true if r is a superset of r2; that is, the range r2 is
// contained within r.
+//
+//go:nosplit
func (r LockRange) IsSupersetOf(r2 LockRange) bool {
return r.Start <= r2.Start && r.End >= r2.End
}
@@ -41,6 +51,8 @@ func (r LockRange) IsSupersetOf(r2 LockRange) bool {
// Intersect returns a range consisting of the intersection between r and r2.
// If r and r2 do not overlap, Intersect returns a range with unspecified
// bounds, but for which Length() == 0.
+//
+//go:nosplit
func (r LockRange) Intersect(r2 LockRange) LockRange {
if r.Start < r2.Start {
r.Start = r2.Start
@@ -57,6 +69,8 @@ func (r LockRange) Intersect(r2 LockRange) LockRange {
// CanSplitAt returns true if it is legal to split a segment spanning the range
// r at x; that is, splitting at x would produce two ranges, both of which have
// non-zero length.
+//
+//go:nosplit
func (r LockRange) CanSplitAt(x uint64) bool {
return r.Contains(x) && r.Start < x
}
diff --git a/pkg/sentry/kernel/auth/id_map_range.go b/pkg/sentry/kernel/auth/id_map_range.go
index 833fa3518..19d542716 100644
--- a/pkg/sentry/kernel/auth/id_map_range.go
+++ b/pkg/sentry/kernel/auth/id_map_range.go
@@ -13,27 +13,37 @@ type idMapRange struct {
// WellFormed returns true if r.Start <= r.End. All other methods on a Range
// require that the Range is well-formed.
+//
+//go:nosplit
func (r idMapRange) WellFormed() bool {
return r.Start <= r.End
}
// Length returns the length of the range.
+//
+//go:nosplit
func (r idMapRange) Length() uint32 {
return r.End - r.Start
}
// Contains returns true if r contains x.
+//
+//go:nosplit
func (r idMapRange) Contains(x uint32) bool {
return r.Start <= x && x < r.End
}
// Overlaps returns true if r and r2 overlap.
+//
+//go:nosplit
func (r idMapRange) Overlaps(r2 idMapRange) bool {
return r.Start < r2.End && r2.Start < r.End
}
// IsSupersetOf returns true if r is a superset of r2; that is, the range r2 is
// contained within r.
+//
+//go:nosplit
func (r idMapRange) IsSupersetOf(r2 idMapRange) bool {
return r.Start <= r2.Start && r.End >= r2.End
}
@@ -41,6 +51,8 @@ func (r idMapRange) IsSupersetOf(r2 idMapRange) bool {
// Intersect returns a range consisting of the intersection between r and r2.
// If r and r2 do not overlap, Intersect returns a range with unspecified
// bounds, but for which Length() == 0.
+//
+//go:nosplit
func (r idMapRange) Intersect(r2 idMapRange) idMapRange {
if r.Start < r2.Start {
r.Start = r2.Start
@@ -57,6 +69,8 @@ func (r idMapRange) Intersect(r2 idMapRange) idMapRange {
// CanSplitAt returns true if it is legal to split a segment spanning the range
// r at x; that is, splitting at x would produce two ranges, both of which have
// non-zero length.
+//
+//go:nosplit
func (r idMapRange) CanSplitAt(x uint32) bool {
return r.Contains(x) && r.Start < x
}
diff --git a/pkg/sentry/memmap/file_range.go b/pkg/sentry/memmap/file_range.go
index e4c852a66..6f0b4bde4 100644
--- a/pkg/sentry/memmap/file_range.go
+++ b/pkg/sentry/memmap/file_range.go
@@ -13,27 +13,37 @@ type FileRange struct {
// WellFormed returns true if r.Start <= r.End. All other methods on a Range
// require that the Range is well-formed.
+//
+//go:nosplit
func (r FileRange) WellFormed() bool {
return r.Start <= r.End
}
// Length returns the length of the range.
+//
+//go:nosplit
func (r FileRange) Length() uint64 {
return r.End - r.Start
}
// Contains returns true if r contains x.
+//
+//go:nosplit
func (r FileRange) Contains(x uint64) bool {
return r.Start <= x && x < r.End
}
// Overlaps returns true if r and r2 overlap.
+//
+//go:nosplit
func (r FileRange) Overlaps(r2 FileRange) bool {
return r.Start < r2.End && r2.Start < r.End
}
// IsSupersetOf returns true if r is a superset of r2; that is, the range r2 is
// contained within r.
+//
+//go:nosplit
func (r FileRange) IsSupersetOf(r2 FileRange) bool {
return r.Start <= r2.Start && r.End >= r2.End
}
@@ -41,6 +51,8 @@ func (r FileRange) IsSupersetOf(r2 FileRange) bool {
// Intersect returns a range consisting of the intersection between r and r2.
// If r and r2 do not overlap, Intersect returns a range with unspecified
// bounds, but for which Length() == 0.
+//
+//go:nosplit
func (r FileRange) Intersect(r2 FileRange) FileRange {
if r.Start < r2.Start {
r.Start = r2.Start
@@ -57,6 +69,8 @@ func (r FileRange) Intersect(r2 FileRange) FileRange {
// CanSplitAt returns true if it is legal to split a segment spanning the range
// r at x; that is, splitting at x would produce two ranges, both of which have
// non-zero length.
+//
+//go:nosplit
func (r FileRange) CanSplitAt(x uint64) bool {
return r.Contains(x) && r.Start < x
}
diff --git a/pkg/sentry/memmap/mappable_range.go b/pkg/sentry/memmap/mappable_range.go
index 6b6c2c685..7b7312cb6 100644
--- a/pkg/sentry/memmap/mappable_range.go
+++ b/pkg/sentry/memmap/mappable_range.go
@@ -13,27 +13,37 @@ type MappableRange struct {
// WellFormed returns true if r.Start <= r.End. All other methods on a Range
// require that the Range is well-formed.
+//
+//go:nosplit
func (r MappableRange) WellFormed() bool {
return r.Start <= r.End
}
// Length returns the length of the range.
+//
+//go:nosplit
func (r MappableRange) Length() uint64 {
return r.End - r.Start
}
// Contains returns true if r contains x.
+//
+//go:nosplit
func (r MappableRange) Contains(x uint64) bool {
return r.Start <= x && x < r.End
}
// Overlaps returns true if r and r2 overlap.
+//
+//go:nosplit
func (r MappableRange) Overlaps(r2 MappableRange) bool {
return r.Start < r2.End && r2.Start < r.End
}
// IsSupersetOf returns true if r is a superset of r2; that is, the range r2 is
// contained within r.
+//
+//go:nosplit
func (r MappableRange) IsSupersetOf(r2 MappableRange) bool {
return r.Start <= r2.Start && r.End >= r2.End
}
@@ -41,6 +51,8 @@ func (r MappableRange) IsSupersetOf(r2 MappableRange) bool {
// Intersect returns a range consisting of the intersection between r and r2.
// If r and r2 do not overlap, Intersect returns a range with unspecified
// bounds, but for which Length() == 0.
+//
+//go:nosplit
func (r MappableRange) Intersect(r2 MappableRange) MappableRange {
if r.Start < r2.Start {
r.Start = r2.Start
@@ -57,6 +69,8 @@ func (r MappableRange) Intersect(r2 MappableRange) MappableRange {
// CanSplitAt returns true if it is legal to split a segment spanning the range
// r at x; that is, splitting at x would produce two ranges, both of which have
// non-zero length.
+//
+//go:nosplit
func (r MappableRange) CanSplitAt(x uint64) bool {
return r.Contains(x) && r.Start < x
}
diff --git a/pkg/sentry/pgalloc/evictable_range.go b/pkg/sentry/pgalloc/evictable_range.go
index 10ce2ff44..79f513ac2 100644
--- a/pkg/sentry/pgalloc/evictable_range.go
+++ b/pkg/sentry/pgalloc/evictable_range.go
@@ -13,27 +13,37 @@ type EvictableRange struct {
// WellFormed returns true if r.Start <= r.End. All other methods on a Range
// require that the Range is well-formed.
+//
+//go:nosplit
func (r EvictableRange) WellFormed() bool {
return r.Start <= r.End
}
// Length returns the length of the range.
+//
+//go:nosplit
func (r EvictableRange) Length() uint64 {
return r.End - r.Start
}
// Contains returns true if r contains x.
+//
+//go:nosplit
func (r EvictableRange) Contains(x uint64) bool {
return r.Start <= x && x < r.End
}
// Overlaps returns true if r and r2 overlap.
+//
+//go:nosplit
func (r EvictableRange) Overlaps(r2 EvictableRange) bool {
return r.Start < r2.End && r2.Start < r.End
}
// IsSupersetOf returns true if r is a superset of r2; that is, the range r2 is
// contained within r.
+//
+//go:nosplit
func (r EvictableRange) IsSupersetOf(r2 EvictableRange) bool {
return r.Start <= r2.Start && r.End >= r2.End
}
@@ -41,6 +51,8 @@ func (r EvictableRange) IsSupersetOf(r2 EvictableRange) bool {
// Intersect returns a range consisting of the intersection between r and r2.
// If r and r2 do not overlap, Intersect returns a range with unspecified
// bounds, but for which Length() == 0.
+//
+//go:nosplit
func (r EvictableRange) Intersect(r2 EvictableRange) EvictableRange {
if r.Start < r2.Start {
r.Start = r2.Start
@@ -57,6 +69,8 @@ func (r EvictableRange) Intersect(r2 EvictableRange) EvictableRange {
// CanSplitAt returns true if it is legal to split a segment spanning the range
// r at x; that is, splitting at x would produce two ranges, both of which have
// non-zero length.
+//
+//go:nosplit
func (r EvictableRange) CanSplitAt(x uint64) bool {
return r.Contains(x) && r.Start < x
}
diff --git a/pkg/state/addr_range.go b/pkg/state/addr_range.go
index 45720c643..0b7346e47 100644
--- a/pkg/state/addr_range.go
+++ b/pkg/state/addr_range.go
@@ -13,27 +13,37 @@ type addrRange struct {
// WellFormed returns true if r.Start <= r.End. All other methods on a Range
// require that the Range is well-formed.
+//
+//go:nosplit
func (r addrRange) WellFormed() bool {
return r.Start <= r.End
}
// Length returns the length of the range.
+//
+//go:nosplit
func (r addrRange) Length() uintptr {
return r.End - r.Start
}
// Contains returns true if r contains x.
+//
+//go:nosplit
func (r addrRange) Contains(x uintptr) bool {
return r.Start <= x && x < r.End
}
// Overlaps returns true if r and r2 overlap.
+//
+//go:nosplit
func (r addrRange) Overlaps(r2 addrRange) bool {
return r.Start < r2.End && r2.Start < r.End
}
// IsSupersetOf returns true if r is a superset of r2; that is, the range r2 is
// contained within r.
+//
+//go:nosplit
func (r addrRange) IsSupersetOf(r2 addrRange) bool {
return r.Start <= r2.Start && r.End >= r2.End
}
@@ -41,6 +51,8 @@ func (r addrRange) IsSupersetOf(r2 addrRange) bool {
// Intersect returns a range consisting of the intersection between r and r2.
// If r and r2 do not overlap, Intersect returns a range with unspecified
// bounds, but for which Length() == 0.
+//
+//go:nosplit
func (r addrRange) Intersect(r2 addrRange) addrRange {
if r.Start < r2.Start {
r.Start = r2.Start
@@ -57,6 +69,8 @@ func (r addrRange) Intersect(r2 addrRange) addrRange {
// CanSplitAt returns true if it is legal to split a segment spanning the range
// r at x; that is, splitting at x would produce two ranges, both of which have
// non-zero length.
+//
+//go:nosplit
func (r addrRange) CanSplitAt(x uintptr) bool {
return r.Contains(x) && r.Start < x
}
diff --git a/pkg/usermem/addr_range.go b/pkg/usermem/addr_range.go
index 152ed1434..6e030127b 100644
--- a/pkg/usermem/addr_range.go
+++ b/pkg/usermem/addr_range.go
@@ -13,27 +13,37 @@ type AddrRange struct {
// WellFormed returns true if r.Start <= r.End. All other methods on a Range
// require that the Range is well-formed.
+//
+//go:nosplit
func (r AddrRange) WellFormed() bool {
return r.Start <= r.End
}
// Length returns the length of the range.
+//
+//go:nosplit
func (r AddrRange) Length() Addr {
return r.End - r.Start
}
// Contains returns true if r contains x.
+//
+//go:nosplit
func (r AddrRange) Contains(x Addr) bool {
return r.Start <= x && x < r.End
}
// Overlaps returns true if r and r2 overlap.
+//
+//go:nosplit
func (r AddrRange) Overlaps(r2 AddrRange) bool {
return r.Start < r2.End && r2.Start < r.End
}
// IsSupersetOf returns true if r is a superset of r2; that is, the range r2 is
// contained within r.
+//
+//go:nosplit
func (r AddrRange) IsSupersetOf(r2 AddrRange) bool {
return r.Start <= r2.Start && r.End >= r2.End
}
@@ -41,6 +51,8 @@ func (r AddrRange) IsSupersetOf(r2 AddrRange) bool {
// Intersect returns a range consisting of the intersection between r and r2.
// If r and r2 do not overlap, Intersect returns a range with unspecified
// bounds, but for which Length() == 0.
+//
+//go:nosplit
func (r AddrRange) Intersect(r2 AddrRange) AddrRange {
if r.Start < r2.Start {
r.Start = r2.Start
@@ -57,6 +69,8 @@ func (r AddrRange) Intersect(r2 AddrRange) AddrRange {
// CanSplitAt returns true if it is legal to split a segment spanning the range
// r at x; that is, splitting at x would produce two ranges, both of which have
// non-zero length.
+//
+//go:nosplit
func (r AddrRange) CanSplitAt(x Addr) bool {
return r.Contains(x) && r.Start < x
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-25 06:22:03 +0000