include/builtin16.h

   1 /*
   2  * Win16 built-in DLLs definitions
   3  *
   4  * Copyright 1999 Ulrich Weigand
   5  */
   6
   7 #ifndef __WINE_BUILTIN16_H
   8 #define __WINE_BUILTIN16_H
   9
  10 #include "windef.h"
  11
  12 #include "pshpack1.h"
  13
  14 typedef struct
  15 {
  16     WORD   pushw_bp;               /* pushw %bp */
  17     BYTE   pushl;                  /* pushl $target */
  18     DWORD  target;
  19     BYTE   lcall;                  /* lcall __FLATCS__:relay */
  20     DWORD  relay;
  21     WORD   flatcs;
  22 } STD_ENTRYPOINT16;
  23
  24 typedef struct
  25 {
  26     WORD   movw_ax;                /* movw $<ax>, %ax */
  27     WORD   ax;
  28     WORD   movw_dx;                /* movw $<dx>, %dx */
  29     WORD   dx;
  30     WORD   lret;                   /* lret $<args> */
  31     WORD   args;
  32     WORD   nopnop;                 /* nop; nop */
  33 } RET_ENTRYPOINT16;
  34
  35 typedef union
  36 {
  37     STD_ENTRYPOINT16  std;
  38     RET_ENTRYPOINT16  ret;
  39 } ENTRYPOINT16;
  40
  41 #define EP_STD( target, relay ) \
  42     { std: { 0x5566, 0x68, (DWORD)(target), 0x9a, (DWORD)(relay), __FLATCS__ } }
  43
  44 #define EP_RET( retval, nargs ) \
  45     { ret: { 0xb866, LOWORD(retval), 0xba66, HIWORD(retval), \
  46              (nargs)? 0xca66 : 0xcb66, (nargs)? (nargs) : 0x9090, 0x9090 } }
  47
  48 #include "poppack.h"
  49
  50 typedef struct
  51 {
  52     const char *name;              /* DLL name */
  53     void       *module_start;      /* 32-bit address of the module data */
  54     int         module_size;       /* Size of the module data */
  55     const BYTE *code_start;        /* 32-bit address of DLL code */
  56     const BYTE *data_start;        /* 32-bit address of DLL data */
  57 } WIN16_DESCRIPTOR;
  58
  59
  60 extern void RELAY_Unimplemented16(void);
  61
  62
  63 #endif /* __WINE_BUILTIN16_H */