111 lines
2.6 KiB
NASM
111 lines
2.6 KiB
NASM
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TITLE KFLATSTB.ASM
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PAGE ,132
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;
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; WOW v1.0
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;
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; Copyright (c) 1991, Microsoft Corporation
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;
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; KTHUNKS.ASM
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; Thunks in 16-bit space to route Windows API calls to WOW32
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;
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; History:
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; 02-Apr-1991 Matt Felton (mattfe)
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; Created.
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;
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ifndef WINDEBUG
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KDEBUG = 0
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WDEBUG = 0
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else
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KDEBUG = 1
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WDEBUG = 1
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endif
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.386p
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.xlist
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include cmacros.inc
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include wow.inc
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include wowkrn.inc
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.list
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externFP WOW16Call
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sBegin CODE
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assumes CS,CODE
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;---------------------------------------------------------------------
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;
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; BOOL ThunkConnect16(LPSTR pszDll16,
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; LPSTR pszDll32,
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; HINSTANCE hInstance,
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; DWORD dwReason,
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; LPVOID lpThunkData16,
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; LPSTR pszThunkData32Name,
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; WORD hModuleCS)
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;
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; Exported kernel routine: called from the DllEntryPoint()'s
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; of 16-bit dll's that depend on a 32-bit partner with which
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; they share thunks
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;
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;---------------------------------------------------------------------
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cProc ThunkConnect16, <PUBLIC, FAR, PASCAL>, <ds,si,di>
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parmD pszDll16
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parmD pszDll32
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parmW hInstance
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parmD dwReason
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parmD lpThunkData16
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parmD pszThunkData32Name
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parmW hModuleCS
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; ThunkConnect16 proc FAR PASCAL PUBLIC USES ds si di, pszDll16:DWORD,
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; pszDll32:DWORD,
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; hInstance:WORD,
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; dwReason:DWORD,
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; lpThunkData16:DWORD,
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; pszThunkData32Name:DWORD,
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; hModuleCS:WORD
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cBegin nogen
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xor ax, ax
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ret
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;ThunkConnect16 endp
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cEnd nogen
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;; C16ThkSL01
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;
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; This is the 16-bit rewriter code for orthogonal 16->32 thunks.
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;
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; Entry:
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; cx = offset in flat jump table
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; edx = linear address of THUNKDATA16
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; eax = cs:ip of common thunk entry point
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; bx = NOT USED
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;
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; Exit:
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; This "routine" doesn't really exit. It jumps back to eax (which now
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; holds the rewritten code). When it does this, cx, di, si, bp, ds and the D
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; flag must all hold the same values they had on entry.
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;
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;
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; This routine only runs when the 16-bit thunk entry point has been
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; freshly loaded, or restored after a discard. This routine patches
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; its caller code so that it jumps straight to C32ThkSL in kernel32.
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;
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cProc C16ThkSL01, <PUBLIC,FAR>
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cBegin nogen
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; just return
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ret
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cEnd nogen
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sEnd CODE
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end
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