github.com/shogo82148/std@v1.22.1-0.20240327122250-4e474527810c/cmd/asm/internal/flags/flags.go (about)

     1  // Copyright 2015 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 flags implements top-level flags and the usage message for the assembler.
     6  package flags
     7  
     8  import (
     9  	"github.com/shogo82148/std/cmd/internal/obj"
    10  	"github.com/shogo82148/std/flag"
    11  )
    12  
    13  var (
    14  	Debug      = flag.Bool("debug", false, "dump instructions as they are parsed")
    15  	OutputFile = flag.String("o", "", "output file; default foo.o for /a/b/c/foo.s as first argument")
    16  	TrimPath   = flag.String("trimpath", "", "remove prefix from recorded source file paths")
    17  	Shared     = flag.Bool("shared", false, "generate code that can be linked into a shared library")
    18  	Dynlink    = flag.Bool("dynlink", false, "support references to Go symbols defined in other shared libraries")
    19  	Linkshared = flag.Bool("linkshared", false, "generate code that will be linked against Go shared libraries")
    20  	AllErrors  = flag.Bool("e", false, "no limit on number of errors reported")
    21  	SymABIs    = flag.Bool("gensymabis", false, "write symbol ABI information to output file, don't assemble")
    22  	Importpath = flag.String("p", obj.UnlinkablePkg, "set expected package import to path")
    23  	Spectre    = flag.String("spectre", "", "enable spectre mitigations in `list` (all, ret)")
    24  )
    25  
    26  var DebugFlags struct {
    27  	MayMoreStack string `help:"call named function before all stack growth checks"`
    28  	PCTab        string `help:"print named pc-value table\nOne of: pctospadj, pctofile, pctoline, pctoinline, pctopcdata"`
    29  }
    30  
    31  var (
    32  	D        MultiFlag
    33  	I        MultiFlag
    34  	PrintOut int
    35  	DebugV   bool
    36  )
    37  
    38  // MultiFlag allows setting a value multiple times to collect a list, as in -I=dir1 -I=dir2.
    39  type MultiFlag []string
    40  
    41  func (m *MultiFlag) String() string
    42  
    43  func (m *MultiFlag) Set(val string) error
    44  
    45  func Usage()
    46  
    47  func Parse()