| // Copyright 2021 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 go1.7 |
| // +build go1.7 |
| |
| package pkgbits |
| |
| import "runtime" |
| |
| // walkFrames calls visit for each call frame represented by pcs. |
| // |
| // pcs should be a slice of PCs, as returned by runtime.Callers. |
| func walkFrames(pcs []uintptr, visit frameVisitor) { |
| if len(pcs) == 0 { |
| return |
| } |
| |
| frames := runtime.CallersFrames(pcs) |
| for { |
| frame, more := frames.Next() |
| visit(frame.File, frame.Line, frame.Function, frame.PC-frame.Entry) |
| if !more { |
| return |
| } |
| } |
| } |
