workbench/classes/gadgets/initstruct.h

   1 /*
   2     Copyright © 1995-2001, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: Defines and macros to create and fill an inittable
   6     Lang: english
   7 */
   8
   9 #ifndef _INITSTRUCT_H_
  10 #define _INITSTRUCT_H_
  11 #ifndef EXEC_TYPES_H
  12 #   include <exec/types.h>
  13 #endif
  14
  15 typedef BYTE type_B;
  16 typedef WORD type_W;
  17 typedef LONG type_L;
  18
  19 #define S_DEF(i,l) union                                                        \
  20                    {                                                            \
  21                      struct _##i { l } _l;                                      \
  22                      char _s[(sizeof(struct _##i)+AROS_LONGALIGN-1)&~(AROS_LONGALIGN-1)]; \
  23                    } _##i
  24
  25
  26 #define CODE_B 0x20
  27 #define CODE_W 0x10
  28 #define CODE_L 0x00
  29
  30 #define S_CPY(i,n,t)      S_DEF(i,UBYTE _cmd; type_##t _data[(n)];)
  31 #define S_REP(i,n,t)      S_DEF(i,UBYTE _cmd; type_##t _data;)
  32 #define S_CPYO(i,n,t)     S_DEF(i,UBYTE _cmd; UBYTE _ofst; type_##t _data[(n)];)
  33 #define S_CPYO24(i,n,t)   S_DEF(i,ULONG _cmd; type_##t _data[(n)];)
  34 #define S_END(i)          UBYTE _##i
  35 #define I_CPY(n,t)        CODE_##t|((n)-1)
  36 #define I_REP(n,t)        0x40|CODE_##t|((n)-1)
  37 #define I_CPYO(n,t,o)     0x80|CODE_##t|((n)-1), (o)
  38 #if AROS_BIG_ENDIAN
  39 #define I_CPYO24(n,t,o)   (0xc0|CODE_##t|((n)-1))<<24|(o)
  40 #else
  41 #define I_CPYO24(n,t,o)   0xc0|CODE_##t|((n)-1)|(o)<<8
  42 #endif
  43 #define I_END()           0
  44
  45 #endif