blob: 0fda1db1789556198bc3c552e5c077376a2ee692 [file] [log] [blame]
// Copyright 2018 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.
package objabi
import (
"strconv"
"strings"
)
// A FuncID identifies particular functions that need to be treated
// specially by the runtime.
// Note that in some situations involving plugins, there may be multiple
// copies of a particular special runtime function.
// Note: this list must match the list in runtime/symtab.go.
type FuncID uint8
const (
FuncID_normal FuncID = iota // not a special function
FuncID_runtime_main
FuncID_goexit
FuncID_jmpdefer
FuncID_mcall
FuncID_morestack
FuncID_mstart
FuncID_rt0_go
FuncID_asmcgocall
FuncID_sigpanic
FuncID_runfinq
FuncID_gcBgMarkWorker
FuncID_systemstack_switch
FuncID_systemstack
FuncID_cgocallback_gofunc
FuncID_gogo
FuncID_externalthreadhandler
FuncID_debugCallV1
FuncID_gopanic
FuncID_panicwrap
FuncID_handleAsyncEvent
FuncID_asyncPreempt
FuncID_wrapper // any autogenerated code (hash/eq algorithms, method wrappers, etc.)
)
// Get the function ID for the named function in the named file.
// The function should be package-qualified.
func GetFuncID(name, file string) FuncID {
switch name {
case "runtime.main":
return FuncID_runtime_main
case "runtime.goexit":
return FuncID_goexit
case "runtime.jmpdefer":
return FuncID_jmpdefer
case "runtime.mcall":
return FuncID_mcall
case "runtime.morestack":
return FuncID_morestack
case "runtime.mstart":
return FuncID_mstart
case "runtime.rt0_go":
return FuncID_rt0_go
case "runtime.asmcgocall":
return FuncID_asmcgocall
case "runtime.sigpanic":
return FuncID_sigpanic
case "runtime.runfinq":
return FuncID_runfinq
case "runtime.gcBgMarkWorker":
return FuncID_gcBgMarkWorker
case "runtime.systemstack_switch":
return FuncID_systemstack_switch
case "runtime.systemstack":
return FuncID_systemstack
case "runtime.cgocallback_gofunc":
return FuncID_cgocallback_gofunc
case "runtime.gogo":
return FuncID_gogo
case "runtime.externalthreadhandler":
return FuncID_externalthreadhandler
case "runtime.debugCallV1":
return FuncID_debugCallV1
case "runtime.gopanic":
return FuncID_gopanic
case "runtime.panicwrap":
return FuncID_panicwrap
case "runtime.handleAsyncEvent":
return FuncID_handleAsyncEvent
case "runtime.asyncPreempt":
return FuncID_asyncPreempt
case "runtime.deferreturn":
// Don't show in the call stack (used when invoking defer functions)
return FuncID_wrapper
case "runtime.runOpenDeferFrame":
// Don't show in the call stack (used when invoking defer functions)
return FuncID_wrapper
case "runtime.reflectcallSave":
// Don't show in the call stack (used when invoking defer functions)
return FuncID_wrapper
}
if file == "<autogenerated>" {
return FuncID_wrapper
}
if strings.HasPrefix(name, "runtime.call") {
if _, err := strconv.Atoi(name[12:]); err == nil {
// runtime.callXX reflect call wrappers.
return FuncID_wrapper
}
}
if strings.HasSuffix(name, "-fm") {
return FuncID_wrapper
}
return FuncID_normal
}