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4bfc3a9d14
This change mechanically replaces all occurrences of interface{}
by 'any' (where deemed safe by the 'any' modernizer) throughout
std and cmd, minus their vendor trees.
Since this fix is relatively numerous, it gets its own CL.
Also, 'go generate go/types'.
Change-Id: I14a6b52856c3291c1d27935409bca8d5fd4242a2
Reviewed-on: https://go-review.googlesource.com/c/go/+/719702
Commit-Queue: Alan Donovan <adonovan@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Auto-Submit: Alan Donovan <adonovan@google.com>
129 lines
2.9 KiB
Go
129 lines
2.9 KiB
Go
// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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import (
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"bufio"
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"flag"
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"fmt"
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"internal/buildcfg"
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"log"
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"os"
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"cmd/asm/internal/arch"
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"cmd/asm/internal/asm"
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"cmd/asm/internal/flags"
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"cmd/asm/internal/lex"
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"cmd/internal/bio"
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"cmd/internal/obj"
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"cmd/internal/objabi"
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"cmd/internal/telemetry/counter"
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)
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func main() {
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log.SetFlags(0)
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log.SetPrefix("asm: ")
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counter.Open()
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buildcfg.Check()
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GOARCH := buildcfg.GOARCH
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flags.Parse()
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counter.Inc("asm/invocations")
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counter.CountFlags("asm/flag:", *flag.CommandLine)
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architecture := arch.Set(GOARCH, *flags.Shared || *flags.Dynlink)
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if architecture == nil {
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log.Fatalf("unrecognized architecture %s", GOARCH)
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}
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ctxt := obj.Linknew(architecture.LinkArch)
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ctxt.Debugasm = flags.PrintOut
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ctxt.Debugvlog = flags.DebugV
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ctxt.Flag_dynlink = *flags.Dynlink
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ctxt.Flag_linkshared = *flags.Linkshared
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ctxt.Flag_shared = *flags.Shared || *flags.Dynlink
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ctxt.Flag_maymorestack = flags.DebugFlags.MayMoreStack
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ctxt.Debugpcln = flags.DebugFlags.PCTab
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ctxt.IsAsm = true
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ctxt.Pkgpath = *flags.Importpath
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ctxt.DwTextCount = objabi.DummyDwarfFunctionCountForAssembler()
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switch *flags.Spectre {
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default:
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log.Printf("unknown setting -spectre=%s", *flags.Spectre)
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os.Exit(2)
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case "":
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// nothing
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case "index":
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// known to compiler; ignore here so people can use
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// the same list with -gcflags=-spectre=LIST and -asmflags=-spectre=LIST
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case "all", "ret":
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ctxt.Retpoline = true
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}
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ctxt.Bso = bufio.NewWriter(os.Stdout)
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defer ctxt.Bso.Flush()
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architecture.Init(ctxt)
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// Create object file, write header.
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buf, err := bio.Create(*flags.OutputFile)
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if err != nil {
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log.Fatal(err)
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}
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defer buf.Close()
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if !*flags.SymABIs {
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buf.WriteString(objabi.HeaderString())
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fmt.Fprintf(buf, "!\n")
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}
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// Set macros for GOEXPERIMENTs so we can easily switch
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// runtime assembly code based on them.
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if objabi.LookupPkgSpecial(ctxt.Pkgpath).AllowAsmABI {
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for _, exp := range buildcfg.Experiment.Enabled() {
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flags.D = append(flags.D, "GOEXPERIMENT_"+exp)
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}
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}
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var ok, diag bool
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var failedFile string
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for _, f := range flag.Args() {
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lexer := lex.NewLexer(f)
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parser := asm.NewParser(ctxt, architecture, lexer)
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ctxt.DiagFunc = func(format string, args ...any) {
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diag = true
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log.Printf(format, args...)
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}
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if *flags.SymABIs {
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ok = parser.ParseSymABIs(buf)
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} else {
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pList := new(obj.Plist)
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pList.Firstpc, ok = parser.Parse()
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// reports errors to parser.Errorf
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if ok {
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obj.Flushplist(ctxt, pList, nil)
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}
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}
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if !ok {
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failedFile = f
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break
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}
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}
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if ok && !*flags.SymABIs {
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ctxt.NumberSyms()
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obj.WriteObjFile(ctxt, buf)
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}
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if !ok || diag {
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if failedFile != "" {
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log.Printf("assembly of %s failed", failedFile)
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} else {
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log.Print("assembly failed")
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}
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buf.Close()
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os.Remove(*flags.OutputFile)
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os.Exit(1)
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}
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}
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