funcid.go

Documentation: cmd/internal/objabi

     1  // Copyright 2018 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  package objabi
     6  
     7  import (
     8  	"internal/abi"
     9  	"strings"
    10  )
    11  
    12  var funcIDs = map[string]abi.FuncID{
    13  	"abort":              abi.FuncID_abort,
    14  	"asmcgocall":         abi.FuncID_asmcgocall,
    15  	"asyncPreempt":       abi.FuncID_asyncPreempt,
    16  	"cgocallback":        abi.FuncID_cgocallback,
    17  	"corostart":          abi.FuncID_corostart,
    18  	"debugCallV2":        abi.FuncID_debugCallV2,
    19  	"gcBgMarkWorker":     abi.FuncID_gcBgMarkWorker,
    20  	"rt0_go":             abi.FuncID_rt0_go,
    21  	"goexit":             abi.FuncID_goexit,
    22  	"gogo":               abi.FuncID_gogo,
    23  	"gopanic":            abi.FuncID_gopanic,
    24  	"handleAsyncEvent":   abi.FuncID_handleAsyncEvent,
    25  	"main":               abi.FuncID_runtime_main,
    26  	"mcall":              abi.FuncID_mcall,
    27  	"morestack":          abi.FuncID_morestack,
    28  	"mstart":             abi.FuncID_mstart,
    29  	"panicwrap":          abi.FuncID_panicwrap,
    30  	"runfinq":            abi.FuncID_runfinq,
    31  	"sigpanic":           abi.FuncID_sigpanic,
    32  	"systemstack_switch": abi.FuncID_systemstack_switch,
    33  	"systemstack":        abi.FuncID_systemstack,
    34  
    35  	// Don't show in call stack but otherwise not special.
    36  	"deferreturn": abi.FuncIDWrapper,
    37  }
    38  
    39  // Get the function ID for the named function in the named file.
    40  // The function should be package-qualified.
    41  func GetFuncID(name string, isWrapper bool) abi.FuncID {
    42  	if isWrapper {
    43  		return abi.FuncIDWrapper
    44  	}
    45  	if strings.HasPrefix(name, "runtime.") {
    46  		if id, ok := funcIDs[name[len("runtime."):]]; ok {
    47  			return id
    48  		}
    49  	}
    50  	return abi.FuncIDNormal
    51  }
    52
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