text_section_grouping.cc 1.6 KB

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  1. // text_section_grouping.cc -- a test case for gold
  2. // Copyright (C) 2012-2015 Free Software Foundation, Inc.
  3. // Written by Sriraman Tallam <tmsriram@google.com>.
  4. // This file is part of gold.
  5. // This program is free software; you can redistribute it and/or modify
  6. // it under the terms of the GNU General Public License as published by
  7. // the Free Software Foundation; either version 3 of the License, or
  8. // (at your option) any later version.
  9. // This program is distributed in the hope that it will be useful,
  10. // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. // GNU General Public License for more details.
  13. // You should have received a copy of the GNU General Public License
  14. // along with this program; if not, write to the Free Software
  15. // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  16. // MA 02110-1301, USA.
  17. // The goal of this program is to verify if .text sections are grouped
  18. // according to prefix. .text.unlikely, .text.startup and .text.hot should
  19. // be grouped and placed together.
  20. extern "C"
  21. __attribute__ ((section(".text.hot.foo")))
  22. int hot_foo()
  23. {
  24. return 1;
  25. }
  26. extern "C"
  27. __attribute__ ((section(".text.startup.foo")))
  28. int startup_foo()
  29. {
  30. return 1;
  31. }
  32. extern "C"
  33. __attribute__ ((section(".text.unlikely.foo")))
  34. int unlikely_foo()
  35. {
  36. return 1;
  37. }
  38. extern "C"
  39. __attribute__ ((section(".text.hot.bar")))
  40. int hot_bar()
  41. {
  42. return 1;
  43. }
  44. extern "C"
  45. __attribute__ ((section(".text.startup.bar")))
  46. int startup_bar()
  47. {
  48. return 1;
  49. }
  50. extern "C"
  51. __attribute__ ((section(".text.unlikely.bar")))
  52. int unlikely_bar()
  53. {
  54. return 1;
  55. }
  56. int main()
  57. {
  58. return 1;
  59. }