123 lines
3 KiB
NASM
123 lines
3 KiB
NASM
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;
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; DLLENTRY.ASM
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;
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; simulates the NT DllEntryPoint call for a Win16 DLL
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;
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; Copyright (c) Microsoft Corporation 1989, 1990. All rights reserved.
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;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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PMODE = 1
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?PLM=1 ; pascal call convention
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?WIN=0 ; NO! Windows prolog/epilog code
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.286
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.xlist
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include cmacros.inc
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.list
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DLL_PROCESS_DETACH = 0
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DLL_PROCESS_ATTACH = 1
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externFP DllEntryPoint
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externFP LocalInit
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ifndef SEGNAME
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SEGNAME equ <_TEXT>
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endif
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createSeg %SEGNAME, CodeSeg, word, public, CODE
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;-----------------------------------------------------------------------;
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;
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; Stuff needed to avoid the C runtime coming in, and init the windows
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; reserved parameter block at the base of DGROUP
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;
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; NOTE if you need the 'C' startup dont use this file.
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;
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;-----------------------------------------------------------------------;
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if 1;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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sBegin Data
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assumes ds,Data
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DD 0 ; So null pointers get 0
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DW 5 ; number of reserved ptrs
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globalW pLocalHeap,0 ; Local heap pointer
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globalW pAtomTable,0 ; Atom table pointer
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globalW pStackTop,0 ; top of stack
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globalW pStackMin,0 ; minimum value of SP
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globalW pStackBot,0 ; bottom of stack
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public __acrtused
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__acrtused = 1
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sEnd Data
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endif;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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sBegin CodeSeg
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assumes cs,CodeSeg
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assumes ds,Data
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assumes es,nothing
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;--------------------------Private-Routine-----------------------------;
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;
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; LibEntry - called when DLL is loaded
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;
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; Entry:
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; CX = size of heap
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; DI = module handle
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; DS = automatic data segment
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; ES:SI = address of command line (not used)
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; Returns:
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; AX = TRUE if success
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; History:
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; 06-27-89 -by- Todd Laney [ToddLa]
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; Created.
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;-----------------------------------------------------------------------;
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assumes ds,nothing
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assumes es,nothing
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cProc LibEntry,<FAR,PUBLIC,NODATA>,<>
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cBegin
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jcxz @f
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cCall LocalInit,<0,0,cx>
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@@: cCall DllEntryPoint, <di, 0,DLL_PROCESS_ATTACH, 0, 0>
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cEnd
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;--------------------------Private-Routine-----------------------------;
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;
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; WEP - called when DLL is unloaded
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;
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; History:
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; 06-27-89 -by- Todd Laney [ToddLa]
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; Created.
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;-----------------------------------------------------------------------;
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assumes ds,nothing
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assumes es,nothing
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cProc WEP, <FAR, PUBLIC, PASCAL>, <ds>
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ParmW fSystemExit
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cBegin
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;
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; HEY dont cleanup if windows is going down.
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;
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mov ax,fSystemExit
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or ax,ax
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;;; jnz just_exit
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mov ax,DataBASE
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mov ds,ax
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assumes ds,Data
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cCall DllEntryPoint, <ax, 0,DLL_PROCESS_DETACH, 0, 0>
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just_exit:
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cEnd
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sEnd CodeSeg
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end LibEntry
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