golang/go · error

%s: invalid symbol type %d

Error message

%s: invalid symbol type %d

What it means

Error "%s: invalid symbol type %d" thrown in golang/go.

Source

Thrown at src/cmd/link/internal/loadpe/ldpe.go:732

		// details on this problem.
		if state.arch.Family == sys.I386 && name[0] == '_' && name != "_main" && !strings.HasPrefix(name, "__imp_") {
			name = name[1:] // _Name => Name
		}
	}

	// remove last @XXX
	if i := strings.LastIndex(name, "@"); i >= 0 {
		name = name[:i]
	}

	var s loader.Sym
	var bld *loader.SymbolBuilder
	// Microsoft's PE documentation is contradictory. It says that the symbol's complex type
	// is stored in the pesym.Type most significant byte, but MSVC, LLVM, and mingw store it
	// in the 4 high bits of the less significant byte.
	switch uint8(pesym.Type&0xf0) >> 4 {
	default:
		return nil, 0, fmt.Errorf("%s: invalid symbol type %d", symname, pesym.Type)

	case IMAGE_SYM_DTYPE_FUNCTION, IMAGE_SYM_DTYPE_NULL:
		switch pesym.StorageClass {
		case IMAGE_SYM_CLASS_EXTERNAL: //global
			s = state.l.LookupOrCreateCgoExport(name, 0)

		case IMAGE_SYM_CLASS_NULL, IMAGE_SYM_CLASS_STATIC, IMAGE_SYM_CLASS_LABEL:
			s = state.l.LookupOrCreateCgoExport(name, state.localSymVersion)
			bld = makeUpdater(state.l, bld, s)
			bld.SetDuplicateOK(true)

		default:
			return nil, 0, fmt.Errorf("%s: invalid symbol binding %d", symname, pesym.StorageClass)
		}
	}

	if s != 0 && state.l.SymType(s) == 0 && (pesym.StorageClass != IMAGE_SYM_CLASS_STATIC || pesym.Value != 0) {
		bld = makeUpdater(state.l, bld, s)

View on GitHub (pinned to b6b368adc5)

When it happens

Trigger: Thrown at src/cmd/link/internal/loadpe/ldpe.go:732 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of golang/go@b6b368adc5 (2026-08-12). Data as JSON: /api/errors/e6205e04e71573db. Report an issue: GitHub.