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-rw-r--r--pkg/refs/weak_ref_list.go28
1 files changed, 28 insertions, 0 deletions
diff --git a/pkg/refs/weak_ref_list.go b/pkg/refs/weak_ref_list.go
index 31460bfc3..920e89eb3 100644
--- a/pkg/refs/weak_ref_list.go
+++ b/pkg/refs/weak_ref_list.go
@@ -38,16 +38,22 @@ func (l *weakRefList) Reset() {
}
// Empty returns true iff the list is empty.
+//
+//go:nosplit
func (l *weakRefList) Empty() bool {
return l.head == nil
}
// Front returns the first element of list l or nil.
+//
+//go:nosplit
func (l *weakRefList) Front() *WeakRef {
return l.head
}
// Back returns the last element of list l or nil.
+//
+//go:nosplit
func (l *weakRefList) Back() *WeakRef {
return l.tail
}
@@ -55,6 +61,8 @@ func (l *weakRefList) Back() *WeakRef {
// Len returns the number of elements in the list.
//
// NOTE: This is an O(n) operation.
+//
+//go:nosplit
func (l *weakRefList) Len() (count int) {
for e := l.Front(); e != nil; e = (weakRefElementMapper{}.linkerFor(e)).Next() {
count++
@@ -63,6 +71,8 @@ func (l *weakRefList) Len() (count int) {
}
// PushFront inserts the element e at the front of list l.
+//
+//go:nosplit
func (l *weakRefList) PushFront(e *WeakRef) {
linker := weakRefElementMapper{}.linkerFor(e)
linker.SetNext(l.head)
@@ -77,6 +87,8 @@ func (l *weakRefList) PushFront(e *WeakRef) {
}
// PushBack inserts the element e at the back of list l.
+//
+//go:nosplit
func (l *weakRefList) PushBack(e *WeakRef) {
linker := weakRefElementMapper{}.linkerFor(e)
linker.SetNext(nil)
@@ -91,6 +103,8 @@ func (l *weakRefList) PushBack(e *WeakRef) {
}
// PushBackList inserts list m at the end of list l, emptying m.
+//
+//go:nosplit
func (l *weakRefList) PushBackList(m *weakRefList) {
if l.head == nil {
l.head = m.head
@@ -106,6 +120,8 @@ func (l *weakRefList) PushBackList(m *weakRefList) {
}
// InsertAfter inserts e after b.
+//
+//go:nosplit
func (l *weakRefList) InsertAfter(b, e *WeakRef) {
bLinker := weakRefElementMapper{}.linkerFor(b)
eLinker := weakRefElementMapper{}.linkerFor(e)
@@ -124,6 +140,8 @@ func (l *weakRefList) InsertAfter(b, e *WeakRef) {
}
// InsertBefore inserts e before a.
+//
+//go:nosplit
func (l *weakRefList) InsertBefore(a, e *WeakRef) {
aLinker := weakRefElementMapper{}.linkerFor(a)
eLinker := weakRefElementMapper{}.linkerFor(e)
@@ -141,6 +159,8 @@ func (l *weakRefList) InsertBefore(a, e *WeakRef) {
}
// Remove removes e from l.
+//
+//go:nosplit
func (l *weakRefList) Remove(e *WeakRef) {
linker := weakRefElementMapper{}.linkerFor(e)
prev := linker.Prev()
@@ -173,21 +193,29 @@ type weakRefEntry struct {
}
// Next returns the entry that follows e in the list.
+//
+//go:nosplit
func (e *weakRefEntry) Next() *WeakRef {
return e.next
}
// Prev returns the entry that precedes e in the list.
+//
+//go:nosplit
func (e *weakRefEntry) Prev() *WeakRef {
return e.prev
}
// SetNext assigns 'entry' as the entry that follows e in the list.
+//
+//go:nosplit
func (e *weakRefEntry) SetNext(elem *WeakRef) {
e.next = elem
}
// SetPrev assigns 'entry' as the entry that precedes e in the list.
+//
+//go:nosplit
func (e *weakRefEntry) SetPrev(elem *WeakRef) {
e.prev = elem
}