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Source file src/cmd/internal/objabi/head.go

Documentation: cmd/internal/objabi

     1  // Derived from Inferno utils/6l/l.h and related files.
     2  // https://bitbucket.org/inferno-os/inferno-os/src/default/utils/6l/l.h
     3  //
     4  //	Copyright © 1994-1999 Lucent Technologies Inc.  All rights reserved.
     5  //	Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net)
     6  //	Portions Copyright © 1997-1999 Vita Nuova Limited
     7  //	Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
     8  //	Portions Copyright © 2004,2006 Bruce Ellis
     9  //	Portions Copyright © 2005-2007 C H Forsyth (forsyth@terzarima.net)
    10  //	Revisions Copyright © 2000-2007 Lucent Technologies Inc. and others
    11  //	Portions Copyright © 2009 The Go Authors. All rights reserved.
    12  //
    13  // Permission is hereby granted, free of charge, to any person obtaining a copy
    14  // of this software and associated documentation files (the "Software"), to deal
    15  // in the Software without restriction, including without limitation the rights
    16  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    17  // copies of the Software, and to permit persons to whom the Software is
    18  // furnished to do so, subject to the following conditions:
    19  //
    20  // The above copyright notice and this permission notice shall be included in
    21  // all copies or substantial portions of the Software.
    22  //
    23  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    24  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    25  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
    26  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    27  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    28  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    29  // THE SOFTWARE.
    30  
    31  package objabi
    32  
    33  import "fmt"
    34  
    35  // HeadType is the executable header type.
    36  type HeadType uint8
    37  
    38  const (
    39  	Hunknown HeadType = iota
    40  	Hdarwin
    41  	Hdragonfly
    42  	Hfreebsd
    43  	Hlinux
    44  	Hnacl
    45  	Hnetbsd
    46  	Hopenbsd
    47  	Hplan9
    48  	Hsolaris
    49  	Hwindows
    50  )
    51  
    52  func (h *HeadType) Set(s string) error {
    53  	switch s {
    54  	case "darwin":
    55  		*h = Hdarwin
    56  	case "dragonfly":
    57  		*h = Hdragonfly
    58  	case "freebsd":
    59  		*h = Hfreebsd
    60  	case "linux", "android":
    61  		*h = Hlinux
    62  	case "nacl":
    63  		*h = Hnacl
    64  	case "netbsd":
    65  		*h = Hnetbsd
    66  	case "openbsd":
    67  		*h = Hopenbsd
    68  	case "plan9":
    69  		*h = Hplan9
    70  	case "solaris":
    71  		*h = Hsolaris
    72  	case "windows":
    73  		*h = Hwindows
    74  	default:
    75  		return fmt.Errorf("invalid headtype: %q", s)
    76  	}
    77  	return nil
    78  }
    79  
    80  func (h *HeadType) String() string {
    81  	switch *h {
    82  	case Hdarwin:
    83  		return "darwin"
    84  	case Hdragonfly:
    85  		return "dragonfly"
    86  	case Hfreebsd:
    87  		return "freebsd"
    88  	case Hlinux:
    89  		return "linux"
    90  	case Hnacl:
    91  		return "nacl"
    92  	case Hnetbsd:
    93  		return "netbsd"
    94  	case Hopenbsd:
    95  		return "openbsd"
    96  	case Hplan9:
    97  		return "plan9"
    98  	case Hsolaris:
    99  		return "solaris"
   100  	case Hwindows:
   101  		return "windows"
   102  	}
   103  	return fmt.Sprintf("HeadType(%d)", *h)
   104  }
   105  

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