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funcname.go
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/
funcname.go
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/*
* Copyright 2022 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 rt
import (
`fmt`
`runtime`
`unsafe`
)
func FuncName(p unsafe.Pointer) string {
if fn := runtime.FuncForPC(uintptr(p)); fn == nil {
return "???"
} else if fp := fn.Entry(); fp == uintptr(p) {
return fn.Name()
} else {
return fmt.Sprintf("%s+%#x", fn.Name(), uintptr(p) - fp)
}
}