root/include/linux/linkage.h

/* */

INCLUDED FROM

   1 #ifndef _LINUX_LINKAGE_H
   2 #define _LINUX_LINKAGE_H
   3 
   4 #ifdef __cplusplus
   5 #define asmlinkage extern "C"
   6 #else
   7 #define asmlinkage
   8 #endif
   9 
  10 #ifdef __ELF__
  11 #define SYMBOL_NAME_STR(X) #X
  12 #define SYMBOL_NAME(X) X
  13 #ifdef __STDC__
  14 #define SYMBOL_NAME_LABEL(X) X##:
  15 #else
  16 #define SYMBOL_NAME_LABEL(X) X/**/:
  17 #endif
  18 #else
  19 #define SYMBOL_NAME_STR(X) "_"#X
  20 #ifdef __STDC__
  21 #define SYMBOL_NAME(X) _##X
  22 #define SYMBOL_NAME_LABEL(X) _##X##:
  23 #else
  24 #define SYMBOL_NAME(X) _/**/X
  25 #define SYMBOL_NAME_LABEL(X) _/**/X/**/:
  26 #endif
  27 #endif
  28 
  29 #if !defined(__i486__) && !defined(__i586__)
  30 #ifdef __ELF__
  31 #define __ALIGN .align 4,0x90
  32 #define __ALIGN_STR ".align 4,0x90"
  33 #else  /* __ELF__ */
  34 #define __ALIGN .align 2,0x90
  35 #define __ALIGN_STR ".align 2,0x90"
  36 #endif /* __ELF__ */
  37 #else  /* __i486__/__i586__ */
  38 #ifdef __ELF__
  39 #define __ALIGN .align 16,0x90
  40 #define __ALIGN_STR ".align 16,0x90"
  41 #else  /* __ELF__ */
  42 #define __ALIGN .align 4,0x90
  43 #define __ALIGN_STR ".align 4,0x90"
  44 #endif /* __ELF__ */
  45 #endif /* __i486__/__i586__ */
  46 
  47 #ifdef __ASSEMBLY__
  48 
  49 #define ALIGN __ALIGN
  50 #define ALIGN_STRING __ALIGN_STRING
  51 
  52 #define ENTRY(name) \
  53   .globl SYMBOL_NAME(name); \
  54   ALIGN; \
  55   SYMBOL_NAME_LABEL(name)
  56 
  57 #endif
  58 
  59 #endif

/* */