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// Copyright 2019 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 goobj
import "internal/buildcfg"
// Builtin (compiler-generated) function references appear
// frequently. We assign special indices for them, so they
// don't need to be referenced by name.
// NBuiltin returns the number of listed builtin
// symbols.
func NBuiltin() int {
return len(builtins)
}
// BuiltinName returns the name and ABI of the i-th
// builtin symbol.
func BuiltinName(i int) (string, int) {
return builtins[i].name, builtins[i].abi
}
// BuiltinIdx returns the index of the builtin with the
// given name and abi, or -1 if it is not a builtin.
func BuiltinIdx(name string, abi int) int {
i, ok := builtinMap[name]
if !ok {
return -1
}
if buildcfg.Experiment.RegabiWrappers && builtins[i].abi != abi {
return -1
}
return i
}
//go:generate go run mkbuiltin.go
var builtinMap map[string]int
func init() {
builtinMap = make(map[string]int, len(builtins))
for i, b := range builtins {
builtinMap[b.name] = i
}
}