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78 lines
1.6 KiB
78 lines
1.6 KiB
;***
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;lowhelpr.asm
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;
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; Copyright (C) 1995, Microsoft Corporation. All rights reserved.
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;
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;Purpose:
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; Contains _CallSettingFrame(), which must be in asm for NLG purposes.
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;
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;Notes:
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;
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;Revision History:
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; 03-30-95 JWM Module created.
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; 06-09-95 JWM NLG_CATCH_LEAVE now implemented.
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; 08-21-95 JWM Bug fix: Olympus 16585.
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;
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;*******************************************************************************
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title lowhelpr.asm
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.xlist
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include cruntime.inc
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include exsup.inc
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.list
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EXTERN _NLG_Notify:NEAR
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EXTERN _NLG_Notify1:NEAR
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PUBLIC _CallSettingFrame
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PUBLIC _NLG_Return
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extern _NLG_Destination:_NLG_INFO
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CODESEG
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;////////////////////////////////////////////////////////////////////////////
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;/
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;/ _CallSettingFrame - sets up EBP and calls the specified funclet. Restores
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;/ EBP on return.
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;/
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;/ Return value is return value of funclet (whatever is in EAX).
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;/
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public _CallSettingFrame
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_CallSettingFrame proc stdcall, funclet:IWORD, pRN:IWORD, dwInCode:DWORD
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sub esp,4
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push ebx
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push ecx
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mov eax,pRN
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add eax,0Ch ; TODO - need sizeof(EHRegistrationNode), not 0Ch
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mov dword ptr [ebp-4],eax
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mov eax,funclet
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push ebp ; Save our frame pointer
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push dwInCode
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mov ecx,dwInCode
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mov ebp,dword ptr [ebp-4] ; Load target frame pointer
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call _NLG_Notify1 ; Notify debugger
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call eax ; Call the funclet
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_NLG_Return::
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mov ebx,ebp
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pop ebp
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mov ecx,dwInCode
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push ebp
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mov ebp,ebx
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cmp ecx, 0100h
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jne _NLG_Continue
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mov ecx, 02h
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_NLG_Continue:
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push ecx
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call _NLG_Notify1 ; Notify debugger yet again
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pop ebp ; Restore our frame pointer
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pop ecx
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pop ebx
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ret 0Ch
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_CallSettingFrame ENDP
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END
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