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 #include "ldt.h"
  12
  13 struct _CONTEXT86;
  14 struct _STACK16FRAME;
  15
  16 extern void RELAY_Unimplemented16(void);
  17
  18 extern WORD CallFrom16Word();
  19 extern LONG CallFrom16Long();
  20 extern void CallFrom16Register();
  21 extern void CallFrom16Thunk();
  22
  23 extern WORD CALLBACK CallTo16Word( FARPROC16 target, INT nArgs );
  24 extern LONG CALLBACK CallTo16Long( FARPROC16 target, INT nArgs );
  25 extern LONG CALLBACK CallTo16RegisterShort( const struct _CONTEXT86 *context, INT nArgs );
  26 extern LONG CALLBACK CallTo16RegisterLong ( const struct _CONTEXT86 *context, INT nArgs );
  27
  28 #include "pshpack1.h"
  29
  30 typedef struct
  31 {
  32     WORD   pushw_bp;               /* pushw %bp */
  33     BYTE   pushl;                  /* pushl $target */
  34     void (*target)();
  35     WORD   call;                   /* call CALLFROM16 */
  36     WORD   callfrom16;
  37 } ENTRYPOINT16;
  38
  39 #define EP(target, offset) { 0x5566, 0x68, (target), 0xe866, (WORD) (offset) }
  40
  41 typedef struct
  42 {
  43     BYTE   pushl;                  /* pushl $relay */
  44     DWORD  relay;
  45     BYTE   lcall;                  /* lcall __FLATCS__:glue */
  46     DWORD  glue;
  47     WORD   flatcs;
  48     BYTE   prefix;                 /* lret $nArgs */
  49     BYTE   lret;
  50     WORD   nArgs;
  51     LPCSTR profile;                /* profile string */
  52 } CALLFROM16;
  53
  54 #define CF16_WORD( relay, nArgs, profile ) \
  55   { 0x68, (DWORD)(relay), \
  56     0x9a, (DWORD)CallFrom16Word, __FLATCS__, \
  57     0x66, (nArgs)? 0xca : 0xcb, (nArgs)? (nArgs) : 0x9090, \
  58     (profile) }
  59
  60 #define CF16_LONG( relay, nArgs, profile ) \
  61   { 0x68, (DWORD)(relay), \
  62     0x9a, (DWORD)CallFrom16Long, __FLATCS__, \
  63     0x66, (nArgs)? 0xca : 0xcb, (nArgs)? (nArgs) : 0x9090, \
  64     (profile) }
  65
  66 #define CF16_REGS( relay, nArgs, profile ) \
  67   { 0x68, (DWORD)(relay), \
  68     0x9a, (DWORD)CallFrom16Register, __FLATCS__, \
  69     0x66, (nArgs)? 0xca : 0xcb, (nArgs)? (nArgs) : 0x9090, \
  70     (profile) }
  71
  72 #include "poppack.h"
  73
  74 typedef struct
  75 {
  76     const char *name;              /* DLL name */
  77     void       *module_start;      /* 32-bit address of the module data */
  78     int         module_size;       /* Size of the module data */
  79     const BYTE *code_start;        /* 32-bit address of DLL code */
  80     const BYTE *data_start;        /* 32-bit address of DLL data */
  81     const void *rsrc;              /* resources data */
  82 } BUILTIN16_DESCRIPTOR;
  83
  84 extern BOOL BUILTIN_Init(void);
  85 extern HMODULE16 BUILTIN_LoadModule( LPCSTR name );
  86 extern LPCSTR BUILTIN_GetEntryPoint16( struct _STACK16FRAME *frame, LPSTR name, WORD *pOrd );
  87 extern void BUILTIN_RegisterDLL( const BUILTIN16_DESCRIPTOR *descr );
  88
  89 #endif /* __WINE_BUILTIN16_H */