diff options
Diffstat (limited to 'src/runtime/map.go')
| -rw-r--r-- | src/runtime/map.go | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/runtime/map.go b/src/runtime/map.go index 7be27fd569..d284acf803 100644 --- a/src/runtime/map.go +++ b/src/runtime/map.go @@ -294,6 +294,16 @@ func makemap_small() *hmap { // can be created on the stack, h and/or bucket may be non-nil. // If h != nil, the map can be created directly in h. // If h.buckets != nil, bucket pointed to can be used as the first bucket. +// +// makemap should be an internal detail, +// but widely used packages access it using linkname. +// Notable members of the hall of shame include: +// - github.com/ugorji/go/codec +// +// Do not remove or change the type signature. +// See go.dev/issue/67401. +// +//go:linkname makemap func makemap(t *maptype, hint int, h *hmap) *hmap { mem, overflow := math.MulUintptr(uintptr(hint), t.Bucket.Size_) if overflow || mem > maxAlloc { @@ -446,6 +456,15 @@ bucketloop: return unsafe.Pointer(&zeroVal[0]) } +// mapaccess2 should be an internal detail, +// but widely used packages access it using linkname. +// Notable members of the hall of shame include: +// - github.com/ugorji/go/codec +// +// Do not remove or change the type signature. +// See go.dev/issue/67401. +// +//go:linkname mapaccess2 func mapaccess2(t *maptype, h *hmap, key unsafe.Pointer) (unsafe.Pointer, bool) { if raceenabled && h != nil { callerpc := getcallerpc() @@ -568,6 +587,16 @@ func mapaccess2_fat(t *maptype, h *hmap, key, zero unsafe.Pointer) (unsafe.Point } // Like mapaccess, but allocates a slot for the key if it is not present in the map. +// +// mapassign should be an internal detail, +// but widely used packages access it using linkname. +// Notable members of the hall of shame include: +// - github.com/ugorji/go/codec +// +// Do not remove or change the type signature. +// See go.dev/issue/67401. +// +//go:linkname mapassign func mapassign(t *maptype, h *hmap, key unsafe.Pointer) unsafe.Pointer { if h == nil { panic(plainError("assignment to entry in nil map")) @@ -685,6 +714,15 @@ done: return elem } +// mapdelete should be an internal detail, +// but widely used packages access it using linkname. +// Notable members of the hall of shame include: +// - github.com/ugorji/go/codec +// +// Do not remove or change the type signature. +// See go.dev/issue/67401. +// +//go:linkname mapdelete func mapdelete(t *maptype, h *hmap, key unsafe.Pointer) { if raceenabled && h != nil { callerpc := getcallerpc() @@ -805,6 +843,17 @@ search: // The hiter struct pointed to by 'it' is allocated on the stack // by the compilers order pass or on the heap by reflect_mapiterinit. // Both need to have zeroed hiter since the struct contains pointers. +// +// mapiterinit should be an internal detail, +// but widely used packages access it using linkname. +// Notable members of the hall of shame include: +// - github.com/goccy/go-json +// - github.com/ugorji/go/codec +// +// Do not remove or change the type signature. +// See go.dev/issue/67401. +// +//go:linkname mapiterinit func mapiterinit(t *maptype, h *hmap, it *hiter) { if raceenabled && h != nil { callerpc := getcallerpc() @@ -851,6 +900,15 @@ func mapiterinit(t *maptype, h *hmap, it *hiter) { mapiternext(it) } +// mapiternext should be an internal detail, +// but widely used packages access it using linkname. +// Notable members of the hall of shame include: +// - github.com/ugorji/go/codec +// +// Do not remove or change the type signature. +// See go.dev/issue/67401. +// +//go:linkname mapiternext func mapiternext(it *hiter) { h := it.h if raceenabled { @@ -1297,6 +1355,7 @@ func advanceEvacuationMark(h *hmap, t *maptype, newbit uintptr) { // but widely used packages access it using linkname. // Notable members of the hall of shame include: // - github.com/modern-go/reflect2 +// - github.com/goccy/go-json // // Do not remove or change the type signature. // See go.dev/issue/67401. @@ -1407,6 +1466,7 @@ func reflect_mapiterinit(t *maptype, h *hmap, it *hiter) { // but widely used packages access it using linkname. // Notable members of the hall of shame include: // - github.com/modern-go/reflect2 +// - github.com/goccy/go-json // // Do not remove or change the type signature. // See go.dev/issue/67401. @@ -1416,16 +1476,40 @@ func reflect_mapiternext(it *hiter) { mapiternext(it) } +// reflect_mapiterkey is for package reflect, +// but widely used packages access it using linkname. +// Notable members of the hall of shame include: +// - github.com/goccy/go-json +// +// Do not remove or change the type signature. +// See go.dev/issue/67401. +// //go:linkname reflect_mapiterkey reflect.mapiterkey func reflect_mapiterkey(it *hiter) unsafe.Pointer { return it.key } +// reflect_mapiterelem is for package reflect, +// but widely used packages access it using linkname. +// Notable members of the hall of shame include: +// - github.com/goccy/go-json +// +// Do not remove or change the type signature. +// See go.dev/issue/67401. +// //go:linkname reflect_mapiterelem reflect.mapiterelem func reflect_mapiterelem(it *hiter) unsafe.Pointer { return it.elem } +// reflect_maplen is for package reflect, +// but widely used packages access it using linkname. +// Notable members of the hall of shame include: +// - github.com/goccy/go-json +// +// Do not remove or change the type signature. +// See go.dev/issue/67401. +// //go:linkname reflect_maplen reflect.maplen func reflect_maplen(h *hmap) int { if h == nil { |