golang execarchive 代码
文件路径：/src/cmd/link/internal/ld/execarchive.go
/ 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.
/go:build !wasm && !windows
/ +build !wasm,!windows
package ld
import (
"os"
"os/exec"
"path/filepath"
"syscall"
)
const syscallExecSupported = true
/ execArchive invokes the archiver tool with syscall.Exec(), with
/ the expectation that this is the last thing that takes place
/ in the linking operation.
func (ctxt *Link) execArchive(argv []string) {
var err error
argv0 := argv[0]
if filepath.Base(argv0) == argv0 {
argv0, err = exec.LookPath(argv0)
if err != nil {
Exitf("cannot find %s: %v", argv[0], err)
}
}
if ctxt.Debugvlog != 0 {
ctxt.Logf("invoking archiver with syscall.Exec()\n")
}
err = syscall.Exec(argv0, argv, os.Environ())
if err != nil {
Exitf("running %s failed: %v", argv[0], err)
}
}