From 0c46ffc1f97c0ad7846fdcf6f63419738f0b3d73 Mon Sep 17 00:00:00 2001 From: Sebastiaan van Stijn Date: Fri, 19 Aug 2022 16:10:25 +0200 Subject: [PATCH] [20.10] vendor: github.com/modern-go/reflect2 v1.0.2 for Go 1.18 compatibility full diff: https://github.com/modern-go/reflect2/compare/4b7aa43c6742a2c18fdef89dd197aaae7dac7ccd...2b33151c9bbc5231aea69b8861c540102b087070 Signed-off-by: Sebastiaan van Stijn --- vendor.conf | 2 +- vendor/github.com/google/gofuzz/go.mod | 3 + vendor/github.com/modern-go/reflect2/go.mod | 3 + .../modern-go/reflect2/go_above_118.go | 23 +++++++ .../modern-go/reflect2/go_above_17.go | 8 --- .../modern-go/reflect2/go_above_19.go | 3 + .../modern-go/reflect2/go_below_118.go | 21 ++++++ .../modern-go/reflect2/go_below_17.go | 9 --- .../modern-go/reflect2/go_below_19.go | 14 ---- .../github.com/modern-go/reflect2/reflect2.go | 20 +++--- .../github.com/modern-go/reflect2/type_map.go | 67 +++++-------------- .../modern-go/reflect2/unsafe_link.go | 26 ++++--- .../modern-go/reflect2/unsafe_map.go | 8 --- 13 files changed, 98 insertions(+), 109 deletions(-) create mode 100644 vendor/github.com/google/gofuzz/go.mod create mode 100644 vendor/github.com/modern-go/reflect2/go.mod create mode 100644 vendor/github.com/modern-go/reflect2/go_above_118.go delete mode 100644 vendor/github.com/modern-go/reflect2/go_above_17.go create mode 100644 vendor/github.com/modern-go/reflect2/go_below_118.go delete mode 100644 vendor/github.com/modern-go/reflect2/go_below_17.go delete mode 100644 vendor/github.com/modern-go/reflect2/go_below_19.go diff --git a/vendor.conf b/vendor.conf index 923d993a1f..f3befa7900 100755 --- a/vendor.conf +++ b/vendor.conf @@ -50,7 +50,7 @@ github.com/moby/buildkit 8142d66b5ebde79846b869fba30d github.com/moby/sys 1bc8673b57550ddf85262eb0fed0aac651a37dab # symlink/v0.1.0 (latest tag, either mount/vXXX, mountinfo/vXXX or symlink/vXXX) github.com/moby/term 3f7ff695adc6a35abc925370dd0a4dafb48ec64d github.com/modern-go/concurrent bacd9c7ef1dd9b15be4a9909b8ac7a4e313eec94 # 1.0.3 -github.com/modern-go/reflect2 4b7aa43c6742a2c18fdef89dd197aaae7dac7ccd # 1.0.1 +github.com/modern-go/reflect2 2b33151c9bbc5231aea69b8861c540102b087070 # v1.0.2 github.com/morikuni/aec 39771216ff4c63d11f5e604076f9c45e8be1067b # v1.0.0 github.com/opencontainers/go-digest ea51bea511f75cfa3ef6098cc253c5c3609b037a # v1.0.0 github.com/opencontainers/image-spec 67d2d5658fe0476ab9bf414cec164077ebff3920 # v1.0.2 diff --git a/vendor/github.com/google/gofuzz/go.mod b/vendor/github.com/google/gofuzz/go.mod new file mode 100644 index 0000000000..8ec4fe9e97 --- /dev/null +++ b/vendor/github.com/google/gofuzz/go.mod @@ -0,0 +1,3 @@ +module github.com/google/gofuzz + +go 1.12 diff --git a/vendor/github.com/modern-go/reflect2/go.mod b/vendor/github.com/modern-go/reflect2/go.mod new file mode 100644 index 0000000000..9057e9b33f --- /dev/null +++ b/vendor/github.com/modern-go/reflect2/go.mod @@ -0,0 +1,3 @@ +module github.com/modern-go/reflect2 + +go 1.12 diff --git a/vendor/github.com/modern-go/reflect2/go_above_118.go b/vendor/github.com/modern-go/reflect2/go_above_118.go new file mode 100644 index 0000000000..2b4116f6c9 --- /dev/null +++ b/vendor/github.com/modern-go/reflect2/go_above_118.go @@ -0,0 +1,23 @@ +//+build go1.18 + +package reflect2 + +import ( + "unsafe" +) + +// m escapes into the return value, but the caller of mapiterinit +// doesn't let the return value escape. +//go:noescape +//go:linkname mapiterinit reflect.mapiterinit +func mapiterinit(rtype unsafe.Pointer, m unsafe.Pointer, it *hiter) + +func (type2 *UnsafeMapType) UnsafeIterate(obj unsafe.Pointer) MapIterator { + var it hiter + mapiterinit(type2.rtype, *(*unsafe.Pointer)(obj), &it) + return &UnsafeMapIterator{ + hiter: &it, + pKeyRType: type2.pKeyRType, + pElemRType: type2.pElemRType, + } +} \ No newline at end of file diff --git a/vendor/github.com/modern-go/reflect2/go_above_17.go b/vendor/github.com/modern-go/reflect2/go_above_17.go deleted file mode 100644 index 5c1cea8683..0000000000 --- a/vendor/github.com/modern-go/reflect2/go_above_17.go +++ /dev/null @@ -1,8 +0,0 @@ -//+build go1.7 - -package reflect2 - -import "unsafe" - -//go:linkname resolveTypeOff reflect.resolveTypeOff -func resolveTypeOff(rtype unsafe.Pointer, off int32) unsafe.Pointer diff --git a/vendor/github.com/modern-go/reflect2/go_above_19.go b/vendor/github.com/modern-go/reflect2/go_above_19.go index c7e3b78011..974f7685e4 100644 --- a/vendor/github.com/modern-go/reflect2/go_above_19.go +++ b/vendor/github.com/modern-go/reflect2/go_above_19.go @@ -6,6 +6,9 @@ import ( "unsafe" ) +//go:linkname resolveTypeOff reflect.resolveTypeOff +func resolveTypeOff(rtype unsafe.Pointer, off int32) unsafe.Pointer + //go:linkname makemap reflect.makemap func makemap(rtype unsafe.Pointer, cap int) (m unsafe.Pointer) diff --git a/vendor/github.com/modern-go/reflect2/go_below_118.go b/vendor/github.com/modern-go/reflect2/go_below_118.go new file mode 100644 index 0000000000..00003dbd7c --- /dev/null +++ b/vendor/github.com/modern-go/reflect2/go_below_118.go @@ -0,0 +1,21 @@ +//+build !go1.18 + +package reflect2 + +import ( + "unsafe" +) + +// m escapes into the return value, but the caller of mapiterinit +// doesn't let the return value escape. +//go:noescape +//go:linkname mapiterinit reflect.mapiterinit +func mapiterinit(rtype unsafe.Pointer, m unsafe.Pointer) (val *hiter) + +func (type2 *UnsafeMapType) UnsafeIterate(obj unsafe.Pointer) MapIterator { + return &UnsafeMapIterator{ + hiter: mapiterinit(type2.rtype, *(*unsafe.Pointer)(obj)), + pKeyRType: type2.pKeyRType, + pElemRType: type2.pElemRType, + } +} \ No newline at end of file diff --git a/vendor/github.com/modern-go/reflect2/go_below_17.go b/vendor/github.com/modern-go/reflect2/go_below_17.go deleted file mode 100644 index 65a93c889b..0000000000 --- a/vendor/github.com/modern-go/reflect2/go_below_17.go +++ /dev/null @@ -1,9 +0,0 @@ -//+build !go1.7 - -package reflect2 - -import "unsafe" - -func resolveTypeOff(rtype unsafe.Pointer, off int32) unsafe.Pointer { - return nil -} diff --git a/vendor/github.com/modern-go/reflect2/go_below_19.go b/vendor/github.com/modern-go/reflect2/go_below_19.go deleted file mode 100644 index b050ef70cd..0000000000 --- a/vendor/github.com/modern-go/reflect2/go_below_19.go +++ /dev/null @@ -1,14 +0,0 @@ -//+build !go1.9 - -package reflect2 - -import ( - "unsafe" -) - -//go:linkname makemap reflect.makemap -func makemap(rtype unsafe.Pointer) (m unsafe.Pointer) - -func makeMapWithSize(rtype unsafe.Pointer, cap int) unsafe.Pointer { - return makemap(rtype) -} diff --git a/vendor/github.com/modern-go/reflect2/reflect2.go b/vendor/github.com/modern-go/reflect2/reflect2.go index 63b49c7991..c43c8b9d62 100644 --- a/vendor/github.com/modern-go/reflect2/reflect2.go +++ b/vendor/github.com/modern-go/reflect2/reflect2.go @@ -1,8 +1,9 @@ package reflect2 import ( - "github.com/modern-go/concurrent" "reflect" + "runtime" + "sync" "unsafe" ) @@ -130,13 +131,13 @@ var ConfigSafe = Config{UseSafeImplementation: true}.Froze() type frozenConfig struct { useSafeImplementation bool - cache *concurrent.Map + cache *sync.Map } func (cfg Config) Froze() *frozenConfig { return &frozenConfig{ useSafeImplementation: cfg.UseSafeImplementation, - cache: concurrent.NewMap(), + cache: new(sync.Map), } } @@ -288,11 +289,12 @@ func NoEscape(p unsafe.Pointer) unsafe.Pointer { } func UnsafeCastString(str string) []byte { + bytes := make([]byte, 0) stringHeader := (*reflect.StringHeader)(unsafe.Pointer(&str)) - sliceHeader := &reflect.SliceHeader{ - Data: stringHeader.Data, - Cap: stringHeader.Len, - Len: stringHeader.Len, - } - return *(*[]byte)(unsafe.Pointer(sliceHeader)) + sliceHeader := (*reflect.SliceHeader)(unsafe.Pointer(&bytes)) + sliceHeader.Data = stringHeader.Data + sliceHeader.Cap = stringHeader.Len + sliceHeader.Len = stringHeader.Len + runtime.KeepAlive(str) + return bytes } diff --git a/vendor/github.com/modern-go/reflect2/type_map.go b/vendor/github.com/modern-go/reflect2/type_map.go index 6d489112ff..4b13c3155c 100644 --- a/vendor/github.com/modern-go/reflect2/type_map.go +++ b/vendor/github.com/modern-go/reflect2/type_map.go @@ -1,67 +1,32 @@ +// +build !gccgo + package reflect2 import ( "reflect" - "runtime" - "strings" + "sync" "unsafe" ) -// typelinks1 for 1.5 ~ 1.6 -//go:linkname typelinks1 reflect.typelinks -func typelinks1() [][]unsafe.Pointer - // typelinks2 for 1.7 ~ //go:linkname typelinks2 reflect.typelinks func typelinks2() (sections []unsafe.Pointer, offset [][]int32) -var types = map[string]reflect.Type{} -var packages = map[string]map[string]reflect.Type{} +// initOnce guards initialization of types and packages +var initOnce sync.Once -func init() { - ver := runtime.Version() - if ver == "go1.5" || strings.HasPrefix(ver, "go1.5.") { - loadGo15Types() - } else if ver == "go1.6" || strings.HasPrefix(ver, "go1.6.") { - loadGo15Types() - } else { - loadGo17Types() - } +var types map[string]reflect.Type +var packages map[string]map[string]reflect.Type + +// discoverTypes initializes types and packages +func discoverTypes() { + types = make(map[string]reflect.Type) + packages = make(map[string]map[string]reflect.Type) + + loadGoTypes() } -func loadGo15Types() { - var obj interface{} = reflect.TypeOf(0) - typePtrss := typelinks1() - for _, typePtrs := range typePtrss { - for _, typePtr := range typePtrs { - (*emptyInterface)(unsafe.Pointer(&obj)).word = typePtr - typ := obj.(reflect.Type) - if typ.Kind() == reflect.Ptr && typ.Elem().Kind() == reflect.Struct { - loadedType := typ.Elem() - pkgTypes := packages[loadedType.PkgPath()] - if pkgTypes == nil { - pkgTypes = map[string]reflect.Type{} - packages[loadedType.PkgPath()] = pkgTypes - } - types[loadedType.String()] = loadedType - pkgTypes[loadedType.Name()] = loadedType - } - if typ.Kind() == reflect.Slice && typ.Elem().Kind() == reflect.Ptr && - typ.Elem().Elem().Kind() == reflect.Struct { - loadedType := typ.Elem().Elem() - pkgTypes := packages[loadedType.PkgPath()] - if pkgTypes == nil { - pkgTypes = map[string]reflect.Type{} - packages[loadedType.PkgPath()] = pkgTypes - } - types[loadedType.String()] = loadedType - pkgTypes[loadedType.Name()] = loadedType - } - } - } -} - -func loadGo17Types() { +func loadGoTypes() { var obj interface{} = reflect.TypeOf(0) sections, offset := typelinks2() for i, offs := range offset { @@ -90,11 +55,13 @@ type emptyInterface struct { // TypeByName return the type by its name, just like Class.forName in java func TypeByName(typeName string) Type { + initOnce.Do(discoverTypes) return Type2(types[typeName]) } // TypeByPackageName return the type by its package and name func TypeByPackageName(pkgPath string, name string) Type { + initOnce.Do(discoverTypes) pkgTypes := packages[pkgPath] if pkgTypes == nil { return nil diff --git a/vendor/github.com/modern-go/reflect2/unsafe_link.go b/vendor/github.com/modern-go/reflect2/unsafe_link.go index 57229c8db4..b49f614efc 100644 --- a/vendor/github.com/modern-go/reflect2/unsafe_link.go +++ b/vendor/github.com/modern-go/reflect2/unsafe_link.go @@ -19,18 +19,12 @@ func typedslicecopy(elemType unsafe.Pointer, dst, src sliceHeader) int //go:linkname mapassign reflect.mapassign //go:noescape -func mapassign(rtype unsafe.Pointer, m unsafe.Pointer, key, val unsafe.Pointer) +func mapassign(rtype unsafe.Pointer, m unsafe.Pointer, key unsafe.Pointer, val unsafe.Pointer) //go:linkname mapaccess reflect.mapaccess //go:noescape func mapaccess(rtype unsafe.Pointer, m unsafe.Pointer, key unsafe.Pointer) (val unsafe.Pointer) -// m escapes into the return value, but the caller of mapiterinit -// doesn't let the return value escape. -//go:noescape -//go:linkname mapiterinit reflect.mapiterinit -func mapiterinit(rtype unsafe.Pointer, m unsafe.Pointer) *hiter - //go:noescape //go:linkname mapiternext reflect.mapiternext func mapiternext(it *hiter) @@ -42,9 +36,21 @@ func ifaceE2I(rtype unsafe.Pointer, src interface{}, dst unsafe.Pointer) // If you modify hiter, also change cmd/internal/gc/reflect.go to indicate // the layout of this structure. type hiter struct { - key unsafe.Pointer // Must be in first position. Write nil to indicate iteration end (see cmd/internal/gc/range.go). - value unsafe.Pointer // Must be in second position (see cmd/internal/gc/range.go). - // rest fields are ignored + key unsafe.Pointer + value unsafe.Pointer + t unsafe.Pointer + h unsafe.Pointer + buckets unsafe.Pointer + bptr unsafe.Pointer + overflow *[]unsafe.Pointer + oldoverflow *[]unsafe.Pointer + startBucket uintptr + offset uint8 + wrapped bool + B uint8 + i uint8 + bucket uintptr + checkBucket uintptr } // add returns p+x. diff --git a/vendor/github.com/modern-go/reflect2/unsafe_map.go b/vendor/github.com/modern-go/reflect2/unsafe_map.go index f2e76e6bb1..37872da819 100644 --- a/vendor/github.com/modern-go/reflect2/unsafe_map.go +++ b/vendor/github.com/modern-go/reflect2/unsafe_map.go @@ -107,14 +107,6 @@ func (type2 *UnsafeMapType) Iterate(obj interface{}) MapIterator { return type2.UnsafeIterate(objEFace.data) } -func (type2 *UnsafeMapType) UnsafeIterate(obj unsafe.Pointer) MapIterator { - return &UnsafeMapIterator{ - hiter: mapiterinit(type2.rtype, *(*unsafe.Pointer)(obj)), - pKeyRType: type2.pKeyRType, - pElemRType: type2.pElemRType, - } -} - type UnsafeMapIterator struct { *hiter pKeyRType unsafe.Pointer