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      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 (a] 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 (a] 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