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sonic/internal/loader/funcdata.go
2021-05-28 23:58:58 +08:00

66 lines
1.5 KiB
Go

/*
* Copyright 2021 ByteDance 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.
*/
package loader
import (
`sync`
_ `unsafe`
)
//go:linkname lastmoduledatap runtime.lastmoduledatap
//goland:noinspection GoUnusedGlobalVariable
var lastmoduledatap *_ModuleData
//go:linkname moduledataverify1 runtime.moduledataverify1
func moduledataverify1(_ *_ModuleData)
//go:nosplit
func no_pointers_stackmap() uintptr
var (
modLock sync.Mutex
modList []*_ModuleData
)
func encodeVariant(v int) []byte {
var u int
var r []byte
/* split every 7 bits */
for v > 127 {
u = v & 0x7f
v = v >> 7
r = append(r, byte(u) | 0x80)
}
/* check for last one */
if v == 0 {
return r
}
/* add the last one */
r = append(r, byte(v))
return r
}
func registerModule(mod *_ModuleData) {
modLock.Lock()
modList = append(modList, mod)
lastmoduledatap.next = mod
lastmoduledatap = mod
modLock.Unlock()
}