libgo/go/cmd/internal/objabi/symkind.go

   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 // A SymKind describes the kind of memory represented by a symbol.
  34 type SymKind uint8
  35
  36 // Defined SymKind values.
  37 // These are used to index into cmd/link/internal/sym/AbiSymKindToSymKind
  38 //
  39 // TODO(rsc): Give idiomatic Go names.
  40 //go:generate stringer -type=SymKind
  41 const (
  42         // An otherwise invalid zero value for the type
  43         Sxxx SymKind = iota
  44         // Executable instructions
  45         STEXT
  46         // Read only static data
  47         SRODATA
  48         // Static data that does not contain any pointers
  49         SNOPTRDATA
  50         // Static data
  51         SDATA
  52         // Statically data that is initially all 0s
  53         SBSS
  54         // Statically data that is initially all 0s and does not contain pointers
  55         SNOPTRBSS
  56         // Thread-local data that is initially all 0s
  57         STLSBSS
  58         // Debugging data
  59         SDWARFINFO
  60         SDWARFRANGE
  61         SDWARFLOC
  62         SDWARFLINES
  63         // ABI alias. An ABI alias symbol is an empty symbol with a
  64         // single relocation with 0 size that references the native
  65         // function implementation symbol.
  66         //
  67         // TODO(austin): Remove this and all uses once the compiler
  68         // generates real ABI wrappers rather than symbol aliases.
  69         SABIALIAS
  70         // Coverage instrumentation counter for libfuzzer.
  71         SLIBFUZZER_EXTRA_COUNTER
  72         // Update cmd/link/internal/sym/AbiSymKindToSymKind for new SymKind values.
  73
  74 )