1 files changed, 100 insertions, 0 deletions
diff --git a/src/cmd/internal/objabi/funcid.go b/src/cmd/internal/objabi/funcid.go
new file mode 100644
index 0000000..1d098ee
--- /dev/null
+++ b/src/cmd/internal/objabi/funcid.go
@@ -0,0 +1,100 @@
+// 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
+
+// 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
+	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 string, isWrapper bool) FuncID {
+	if isWrapper {
+		return FuncID_wrapper
+	}
+	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":
+		return FuncID_cgocallback
+	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
+	}
+	return FuncID_normal
+}