github.com/code-reading/golang@v0.0.0-20220303082512-ba5bc0e589a3/go/src/runtime/cgo/callbacks_traceback.go (about)

     1  // Copyright 2016 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  //go:build darwin || linux
     6  // +build darwin linux
     7  
     8  package cgo
     9  
    10  import _ "unsafe" // for go:linkname
    11  
    12  // Calls the traceback function passed to SetCgoTraceback.
    13  
    14  //go:cgo_import_static x_cgo_callers
    15  //go:linkname x_cgo_callers x_cgo_callers
    16  //go:linkname _cgo_callers _cgo_callers
    17  var x_cgo_callers byte
    18  var _cgo_callers = &x_cgo_callers