diff options
Diffstat (limited to 'src/internal/pkgbits')
-rw-r--r-- | src/internal/pkgbits/frames_go1.go | 21 | ||||
-rw-r--r-- | src/internal/pkgbits/frames_go17.go | 28 | ||||
-rw-r--r-- | src/internal/pkgbits/sync.go | 19 |
3 files changed, 19 insertions, 49 deletions
diff --git a/src/internal/pkgbits/frames_go1.go b/src/internal/pkgbits/frames_go1.go deleted file mode 100644 index 5294f6a63e..0000000000 --- a/src/internal/pkgbits/frames_go1.go +++ /dev/null @@ -1,21 +0,0 @@ -// 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 - -// TODO(mdempsky): Remove after #44505 is resolved - -package pkgbits - -import "runtime" - -func walkFrames(pcs []uintptr, visit frameVisitor) { - for _, pc := range pcs { - fn := runtime.FuncForPC(pc) - file, line := fn.FileLine(pc) - - visit(file, line, fn.Name(), pc-fn.Entry()) - } -} diff --git a/src/internal/pkgbits/frames_go17.go b/src/internal/pkgbits/frames_go17.go deleted file mode 100644 index 2324ae7adf..0000000000 --- a/src/internal/pkgbits/frames_go17.go +++ /dev/null @@ -1,28 +0,0 @@ -// 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 - } - } -} diff --git a/src/internal/pkgbits/sync.go b/src/internal/pkgbits/sync.go index a17a0088f7..1520b73afb 100644 --- a/src/internal/pkgbits/sync.go +++ b/src/internal/pkgbits/sync.go @@ -6,6 +6,7 @@ package pkgbits import ( "fmt" + "runtime" "strings" ) @@ -23,6 +24,24 @@ func fmtFrames(pcs ...uintptr) []string { type frameVisitor func(file string, line int, name string, offset uintptr) +// 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 + } + } +} + // SyncMarker is an enum type that represents markers that may be // written to export data to ensure the reader and writer stay // synchronized. |