linkage.h 1.7 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081
  1. /*
  2. * U-boot - linkage.h
  3. *
  4. * Copyright (c) 2005-2007 Analog Devices Inc.
  5. *
  6. * See file CREDITS for list of people who contributed to this
  7. * project.
  8. *
  9. * This program is free software; you can redistribute it and/or
  10. * modify it under the terms of the GNU General Public License as
  11. * published by the Free Software Foundation; either version 2 of
  12. * the License, or (at your option) any later version.
  13. *
  14. * This program is distributed in the hope that it will be useful,
  15. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17. * GNU General Public License for more details.
  18. *
  19. * You should have received a copy of the GNU General Public License
  20. * along with this program; if not, write to the Free Software
  21. * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
  22. * MA 02110-1301 USA
  23. */
  24. #ifndef _LINUX_LINKAGE_H
  25. #define _LINUX_LINKAGE_H
  26. #include <asm/linkage.h>
  27. #include <linux/config.h>
  28. #ifdef __cplusplus
  29. #define CPP_ASMLINKAGE extern "C"
  30. #else
  31. #define CPP_ASMLINKAGE
  32. #endif
  33. #define asmlinkage CPP_ASMLINKAGE
  34. #define SYMBOL_NAME_STR(X) #X
  35. #define SYMBOL_NAME(X) X
  36. #ifdef __STDC__
  37. #define SYMBOL_NAME_LABEL(X) X##:
  38. #else
  39. #define SYMBOL_NAME_LABEL(X) X:
  40. #endif
  41. #ifndef __ALIGN
  42. #define __ALIGN .align 4
  43. #endif
  44. #ifndef __ALIGN_STR
  45. #define __ALIGN_STR ".align 4"
  46. #endif
  47. #ifdef __ASSEMBLY__
  48. #define ALIGN __ALIGN
  49. #define ALIGN_STR __ALIGN_STR
  50. #define LENTRY(name) \
  51. ALIGN; \
  52. SYMBOL_NAME_LABEL(name)
  53. #define ENTRY(name) \
  54. .globl SYMBOL_NAME(name); \
  55. LENTRY(name)
  56. #ifndef END
  57. #define END(name) \
  58. .size name, .-name
  59. #endif
  60. #ifndef ENDPROC
  61. #define ENDPROC(name) \
  62. .type name STT_FUNC; \
  63. END(name)
  64. #endif
  65. #endif
  66. #endif