updates go-mutexes to no longer rely on unsafe linkname (#3027)

1 files changed, 0 insertions, 111 deletions

diff --git a/vendor/github.com/dolthub/maphash/runtime.go b/vendor/github.com/dolthub/maphash/runtime.go
deleted file mode 100644
index 29cd6a8ed..000000000
--- a/vendor/github.com/dolthub/maphash/runtime.go
+++ /dev/null
@@ -1,111 +0,0 @@
-// Copyright 2022 Dolthub, Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-// This file incorporates work covered by the following copyright and
-// permission notice:
-//
-// Copyright 2022 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build go1.18 || go1.19
-// +build go1.18 go1.19
-
-package maphash
-
-import (
-	"math/rand"
-	"unsafe"
-)
-
-type hashfn func(unsafe.Pointer, uintptr) uintptr
-
-func getRuntimeHasher[K comparable]() (h hashfn) {
-	a := any(make(map[K]struct{}))
-	i := (*mapiface)(unsafe.Pointer(&a))
-	h = i.typ.hasher
-	return
-}
-
-func newHashSeed() uintptr {
-	return uintptr(rand.Int())
-}
-
-// noescape hides a pointer from escape analysis. It is the identity function
-// but escape analysis doesn't think the output depends on the input.
-// noescape is inlined and currently compiles down to zero instructions.
-// USE CAREFULLY!
-// This was copied from the runtime (via pkg "strings"); see issues 23382 and 7921.
-//
-//go:nosplit
-//go:nocheckptr
-func noescape(p unsafe.Pointer) unsafe.Pointer {
-	x := uintptr(p)
-	return unsafe.Pointer(x ^ 0)
-}
-
-type mapiface struct {
-	typ *maptype
-	val *hmap
-}
-
-// go/src/runtime/type.go
-type maptype struct {
-	typ    _type
-	key    *_type
-	elem   *_type
-	bucket *_type
-	// function for hashing keys (ptr to key, seed) -> hash
-	hasher     func(unsafe.Pointer, uintptr) uintptr
-	keysize    uint8
-	elemsize   uint8
-	bucketsize uint16
-	flags      uint32
-}
-
-// go/src/runtime/map.go
-type hmap struct {
-	count     int
-	flags     uint8
-	B         uint8
-	noverflow uint16
-	// hash seed
-	hash0      uint32
-	buckets    unsafe.Pointer
-	oldbuckets unsafe.Pointer
-	nevacuate  uintptr
-	// true type is *mapextra
-	// but we don't need this data
-	extra unsafe.Pointer
-}
-
-// go/src/runtime/type.go
-type tflag uint8
-type nameOff int32
-type typeOff int32
-
-// go/src/runtime/type.go
-type _type struct {
-	size       uintptr
-	ptrdata    uintptr
-	hash       uint32
-	tflag      tflag
-	align      uint8
-	fieldAlign uint8
-	kind       uint8
-	equal      func(unsafe.Pointer, unsafe.Pointer) bool
-	gcdata     *byte
-	str        nameOff
-	ptrToThis  typeOff
-}