symkind.go 3.0 KB

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  1. // Derived from Inferno utils/6l/l.h and related files.
  2. // https://bitbucket.org/inferno-os/inferno-os/src/master/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. package objabi
  31. // A SymKind describes the kind of memory represented by a symbol.
  32. type SymKind uint8
  33. // Defined SymKind values.
  34. // These are used to index into cmd/link/internal/sym/AbiSymKindToSymKind
  35. //
  36. // TODO(rsc): Give idiomatic Go names.
  37. //go:generate stringer -type=SymKind
  38. const (
  39. // An otherwise invalid zero value for the type
  40. Sxxx SymKind = iota
  41. // Executable instructions
  42. STEXT
  43. // Read only static data
  44. SRODATA
  45. // Static data that does not contain any pointers
  46. SNOPTRDATA
  47. // Static data
  48. SDATA
  49. // Statically data that is initially all 0s
  50. SBSS
  51. // Statically data that is initially all 0s and does not contain pointers
  52. SNOPTRBSS
  53. // Thread-local data that is initially all 0s
  54. STLSBSS
  55. // Debugging data
  56. SDWARFCUINFO
  57. SDWARFCONST
  58. SDWARFFCN
  59. SDWARFABSFCN
  60. SDWARFTYPE
  61. SDWARFVAR
  62. SDWARFRANGE
  63. SDWARFLOC
  64. SDWARFLINES
  65. // ABI alias. An ABI alias symbol is an empty symbol with a
  66. // single relocation with 0 size that references the native
  67. // function implementation symbol.
  68. //
  69. // TODO(austin): Remove this and all uses once the compiler
  70. // generates real ABI wrappers rather than symbol aliases.
  71. SABIALIAS
  72. // Coverage instrumentation counter for libfuzzer.
  73. SLIBFUZZER_EXTRA_COUNTER
  74. // Update cmd/link/internal/sym/AbiSymKindToSymKind for new SymKind values.
  75. )