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317af320cf
this .h file, but only those. Necessary fixes to a lot of .c files, started optimizing "windows.h" away from some of them. Moved GetCurrentTask prototype to wine/winbase16.h.
90 lines
3.2 KiB
C
90 lines
3.2 KiB
C
/*
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* 16-bit and 32-bit mode stack frame layout
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*
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* Copyright 1995, 1998 Alexandre Julliard
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*/
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#ifndef __WINE_STACKFRAME_H
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#define __WINE_STACKFRAME_H
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#include "ldt.h"
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#include "thread.h"
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#pragma pack(1)
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/* 32-bit stack layout after CallTo16() */
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typedef struct _STACK32FRAME
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{
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SEGPTR frame16; /* 00 16-bit frame from last CallFrom16() */
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DWORD restore_addr; /* 04 return address for restoring code selector */
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DWORD codeselector; /* 08 code selector to restore */
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DWORD edi; /* 0c saved registers */
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DWORD esi; /* 10 */
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DWORD edx; /* 14 */
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DWORD ecx; /* 18 */
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DWORD ebx; /* 1c */
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DWORD ebp; /* 20 saved 32-bit frame pointer */
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DWORD retaddr; /* 24 actual return address */
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DWORD args[1]; /* 28 arguments to 16-bit function */
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} STACK32FRAME;
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/* 16-bit stack layout after CallFrom16() */
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typedef struct
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{
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STACK32FRAME *frame32; /* 00 32-bit frame from last CallTo16() */
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DWORD ebp; /* 04 full 32-bit content of ebp */
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WORD mutex_count; /* 08 Win16Mutex recursion count */
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WORD fs; /* 0a fs */
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WORD entry_ip; /* 0c ip of entry point */
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WORD ds; /* 0e ds */
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WORD entry_cs; /* 10 cs of entry point */
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WORD es; /* 12 es */
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DWORD entry_point; /* 14 32-bit entry point to call */
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WORD bp; /* 18 16-bit bp */
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WORD ip; /* 1a return address */
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WORD cs; /* 1c */
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} STACK16FRAME;
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#pragma pack(4)
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#define THREAD_STACK16(thdb) ((STACK16FRAME*)PTR_SEG_TO_LIN((thdb)->cur_stack))
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#define CURRENT_STACK16 (THREAD_STACK16(THREAD_Current()))
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#define CURRENT_DS (CURRENT_STACK16->ds)
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/* varargs lists on the 16-bit stack */
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typedef void *VA_LIST16;
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#define __VA_ROUNDED16(type) \
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((sizeof(type) + sizeof(WORD) - 1) / sizeof(WORD) * sizeof(WORD))
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#define VA_START16(list) ((list) = (VA_LIST16)(CURRENT_STACK16 + 1))
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#define VA_ARG16(list,type) \
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(((list) = (VA_LIST16)((char *)(list) + __VA_ROUNDED16(type))), \
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*((type *)(void *)((char *)(list) - __VA_ROUNDED16(type))))
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#define VA_END16(list) ((void)0)
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/* Push bytes on the 16-bit stack of a thread;
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* return a segptr to the first pushed byte
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*/
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#define STACK16_PUSH(thdb,size) \
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(memmove((char*)THREAD_STACK16(thdb)-(size),THREAD_STACK16(thdb), \
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sizeof(STACK16FRAME)), \
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(thdb)->cur_stack -= (size), \
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(SEGPTR)((thdb)->cur_stack + sizeof(STACK16FRAME)))
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/* Pop bytes from the 16-bit stack of a thread */
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#define STACK16_POP(thdb,size) \
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(memmove((char*)THREAD_STACK16(thdb)+(size),THREAD_STACK16(thdb), \
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sizeof(STACK16FRAME)), \
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(thdb)->cur_stack += (size))
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/* Push a DWORD on the 32-bit stack */
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#define STACK32_PUSH(context,val) (*--((DWORD *)ESP_reg(context)) = (val))
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/* Pop a DWORD from the 32-bit stack */
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#define STACK32_POP(context) (*((DWORD *)ESP_reg(context))++)
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/* Win32 register functions */
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#define REGS_ENTRYPOINT(name) void WINAPI __regs_##name( CONTEXT *context )
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#endif /* __WINE_STACKFRAME_H */
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