include/asm-ia64/asmmacro.h

   1 #ifndef _ASM_IA64_ASMMACRO_H
   2 #define _ASM_IA64_ASMMACRO_H
   3
   4 /*
   5  * Copyright (C) 2000-2001 Hewlett-Packard Co
   6  * Copyright (C) 2000-2001 David Mosberger-Tang <davidm@hpl.hp.com>
   7  */
   8
   9 #define ENTRY(name)                             \
  10         .align 32;                              \
  11         .proc name;                             \
  12 name:
  13
  14 #define GLOBAL_ENTRY(name)                      \
  15         .global name;                           \
  16         ENTRY(name)
  17
  18 #define END(name)                               \
  19         .endp name
  20
  21 /*
  22  * Helper macros to make unwind directives more readable:
  23  */
  24
  25 /* prologue_gr: */
  26 #define ASM_UNW_PRLG_RP                 0x8
  27 #define ASM_UNW_PRLG_PFS                0x4
  28 #define ASM_UNW_PRLG_PSP                0x2
  29 #define ASM_UNW_PRLG_PR                 0x1
  30 #define ASM_UNW_PRLG_GRSAVE(ninputs)    (32+(ninputs))
  31
  32 /*
  33  * Helper macros for accessing user memory.
  34  */
  35
  36         .section "__ex_table", "a"              // declare section & section attributes
  37         .previous
  38
  39 #if __GNUC__ >= 3
  40 # define EX(y,x...)                                     \
  41         .xdata4 "__ex_table", @gprel(99f), @gprel(y);   \
  42   [99:] x
  43 # define EXCLR(y,x...)                                  \
  44         .xdata4 "__ex_table", @gprel(99f), @gprel(y)+4; \
  45   [99:] x
  46 #else
  47 # define EX(y,x...)                                     \
  48         .xdata4 "__ex_table", @gprel(99f), @gprel(y);   \
  49   99:   x
  50 # define EXCLR(y,x...)                                  \
  51         .xdata4 "__ex_table", @gprel(99f), @gprel(y)+4; \
  52   99:   x
  53 #endif
  54
  55 #endif /* _ASM_IA64_ASMMACRO_H */