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Copyright 2016 Anton Krotov |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU Lesser General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU Lesser General Public License for more details. |
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You should have received a copy of the GNU Lesser General Public License |
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along with this program. If not, see . |
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*) |
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MODULE KOSAPI; |
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IMPORT sys := SYSTEM; |
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TYPE STRING = ARRAY 1024 OF CHAR; |
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VAR DLL_INIT: PROCEDURE [stdcall] (entry: INTEGER); |
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PROCEDURE [stdcall] sysfunc1*(arg1: INTEGER): INTEGER; |
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BEGIN |
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sys.CODE("8B4508"); (* mov eax, [ebp + 08h] *) |
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sys.CODE("CD40"); (* int 40h *) |
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sys.CODE("C9"); (* leave *) |
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sys.CODE("C20400"); (* ret 04h *) |
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RETURN 0 |
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END sysfunc1; |
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PROCEDURE [stdcall] sysfunc2*(arg1, arg2: INTEGER): INTEGER; |
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BEGIN |
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sys.CODE("53"); (* push ebx *) |
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sys.CODE("8B4508"); (* mov eax, [ebp + 08h] *) |
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sys.CODE("8B5D0C"); (* mov ebx, [ebp + 0Ch] *) |
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sys.CODE("CD40"); (* int 40h *) |
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sys.CODE("5B"); (* pop ebx *) |
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sys.CODE("C9"); (* leave *) |
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sys.CODE("C20800"); (* ret 08h *) |
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RETURN 0 |
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END sysfunc2; |
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PROCEDURE [stdcall] sysfunc3*(arg1, arg2, arg3: INTEGER): INTEGER; |
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BEGIN |
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sys.CODE("53"); (* push ebx *) |
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sys.CODE("8B4508"); (* mov eax, [ebp + 08h] *) |
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sys.CODE("8B5D0C"); (* mov ebx, [ebp + 0Ch] *) |
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sys.CODE("8B4D10"); (* mov ecx, [ebp + 10h] *) |
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sys.CODE("CD40"); (* int 40h *) |
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sys.CODE("5B"); (* pop ebx *) |
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sys.CODE("C9"); (* leave *) |
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sys.CODE("C20C00"); (* ret 0Ch *) |
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RETURN 0 |
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END sysfunc3; |
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PROCEDURE [stdcall] sysfunc4*(arg1, arg2, arg3, arg4: INTEGER): INTEGER; |
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BEGIN |
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sys.CODE("53"); (* push ebx *) |
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sys.CODE("8B4508"); (* mov eax, [ebp + 08h] *) |
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sys.CODE("8B5D0C"); (* mov ebx, [ebp + 0Ch] *) |
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sys.CODE("8B4D10"); (* mov ecx, [ebp + 10h] *) |
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sys.CODE("8B5514"); (* mov edx, [ebp + 14h] *) |
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sys.CODE("CD40"); (* int 40h *) |
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sys.CODE("5B"); (* pop ebx *) |
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sys.CODE("C9"); (* leave *) |
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sys.CODE("C21000"); (* ret 10h *) |
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RETURN 0 |
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END sysfunc4; |
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PROCEDURE [stdcall] sysfunc5*(arg1, arg2, arg3, arg4, arg5: INTEGER): INTEGER; |
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BEGIN |
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sys.CODE("53"); (* push ebx *) |
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sys.CODE("56"); (* push esi *) |
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sys.CODE("8B4508"); (* mov eax, [ebp + 08h] *) |
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sys.CODE("8B5D0C"); (* mov ebx, [ebp + 0Ch] *) |
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sys.CODE("8B4D10"); (* mov ecx, [ebp + 10h] *) |
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sys.CODE("8B5514"); (* mov edx, [ebp + 14h] *) |
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sys.CODE("8B7518"); (* mov esi, [ebp + 18h] *) |
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sys.CODE("CD40"); (* int 40h *) |
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sys.CODE("5E"); (* pop esi *) |
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sys.CODE("5B"); (* pop ebx *) |
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sys.CODE("C9"); (* leave *) |
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sys.CODE("C21400"); (* ret 14h *) |
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RETURN 0 |
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END sysfunc5; |
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PROCEDURE [stdcall] sysfunc6*(arg1, arg2, arg3, arg4, arg5, arg6: INTEGER): INTEGER; |
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BEGIN |
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sys.CODE("53"); (* push ebx *) |
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sys.CODE("56"); (* push esi *) |
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sys.CODE("57"); (* push edi *) |
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sys.CODE("8B4508"); (* mov eax, [ebp + 08h] *) |
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sys.CODE("8B5D0C"); (* mov ebx, [ebp + 0Ch] *) |
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sys.CODE("8B4D10"); (* mov ecx, [ebp + 10h] *) |
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sys.CODE("8B5514"); (* mov edx, [ebp + 14h] *) |
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sys.CODE("8B7518"); (* mov esi, [ebp + 18h] *) |
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sys.CODE("8B7D1C"); (* mov edi, [ebp + 1Ch] *) |
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sys.CODE("CD40"); (* int 40h *) |
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sys.CODE("5F"); (* pop edi *) |
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sys.CODE("5E"); (* pop esi *) |
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sys.CODE("5B"); (* pop ebx *) |
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sys.CODE("C9"); (* leave *) |
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sys.CODE("C21800"); (* ret 18h *) |
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RETURN 0 |
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END sysfunc6; |
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PROCEDURE [stdcall] sysfunc7*(arg1, arg2, arg3, arg4, arg5, arg6, arg7: INTEGER): INTEGER; |
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BEGIN |
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sys.CODE("53"); (* push ebx *) |
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sys.CODE("56"); (* push esi *) |
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sys.CODE("57"); (* push edi *) |
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sys.CODE("55"); (* push ebp *) |
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sys.CODE("8B4508"); (* mov eax, [ebp + 08h] *) |
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sys.CODE("8B5D0C"); (* mov ebx, [ebp + 0Ch] *) |
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sys.CODE("8B4D10"); (* mov ecx, [ebp + 10h] *) |
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sys.CODE("8B5514"); (* mov edx, [ebp + 14h] *) |
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sys.CODE("8B7518"); (* mov esi, [ebp + 18h] *) |
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sys.CODE("8B7D1C"); (* mov edi, [ebp + 1Ch] *) |
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sys.CODE("8B6D20"); (* mov ebp, [ebp + 20h] *) |
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sys.CODE("CD40"); (* int 40h *) |
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sys.CODE("5D"); (* pop ebp *) |
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sys.CODE("5F"); (* pop edi *) |
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sys.CODE("5E"); (* pop esi *) |
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sys.CODE("5B"); (* pop ebx *) |
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sys.CODE("C9"); (* leave *) |
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sys.CODE("C21C00"); (* ret 1Ch *) |
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RETURN 0 |
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END sysfunc7; |
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PROCEDURE [stdcall] sysfunc22*(arg1, arg2: INTEGER; VAR res2: INTEGER): INTEGER; |
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BEGIN |
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sys.CODE("53"); (* push ebx *) |
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sys.CODE("8B4508"); (* mov eax, [ebp + 08h] *) |
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sys.CODE("8B5D0C"); (* mov ebx, [ebp + 0Ch] *) |
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sys.CODE("CD40"); (* int 40h *) |
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sys.CODE("8B4D10"); (* mov ecx, [ebp + 10h] *) |
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sys.CODE("8919"); (* mov [ecx], ebx *) |
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sys.CODE("5B"); (* pop ebx *) |
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sys.CODE("C9"); (* leave *) |
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sys.CODE("C20C00"); (* ret 0Ch *) |
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RETURN 0 |
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END sysfunc22; |
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PROCEDURE mem_commit(adr, size: INTEGER); |
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VAR tmp: INTEGER; |
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BEGIN |
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FOR tmp := adr TO adr + size - 1 BY 4096 DO |
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sys.PUT(tmp, 0) |
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END |
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END mem_commit; |
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PROCEDURE [stdcall] malloc*(size: INTEGER): INTEGER; |
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akron1 |
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VAR ptr: INTEGER; |
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BEGIN |
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sys.CODE("60"); (* pusha *) |
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IF sysfunc2(18, 16) > ASR(size, 10) THEN |
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ptr := sysfunc3(68, 12, size); |
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IF ptr # 0 THEN |
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mem_commit(ptr, size) |
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END |
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ELSE |
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ptr := 0 |
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END; |
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sys.CODE("61") (* popa *) |
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RETURN ptr |
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END malloc; |
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PROCEDURE [stdcall] free*(ptr: INTEGER): INTEGER; |
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BEGIN |
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sys.CODE("60"); (* pusha *) |
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IF ptr # 0 THEN |
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ptr := sysfunc3(68, 13, ptr) |
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END; |
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sys.CODE("61") (* popa *) |
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RETURN 0 |
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END free; |
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PROCEDURE [stdcall] realloc*(ptr, size: INTEGER): INTEGER; |
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BEGIN |
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sys.CODE("60"); (* pusha *) |
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ptr := sysfunc4(68, 20, size, ptr); |
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sys.CODE("61") (* popa *) |
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RETURN ptr |
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END realloc; |
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PROCEDURE GetCommandLine*(): INTEGER; |
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VAR param: INTEGER; |
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BEGIN |
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sys.GET(28, param) |
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RETURN param |
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END GetCommandLine; |
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PROCEDURE GetName*(): INTEGER; |
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VAR name: INTEGER; |
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BEGIN |
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sys.GET(32, name) |
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RETURN name |
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END GetName; |
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PROCEDURE [stdcall] dll_init2(arg1, arg2, arg3, arg4, arg5: INTEGER); |
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BEGIN |
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sys.CODE("60"); (* pusha *) |
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sys.CODE("8B4508"); (* mov eax, [ebp + 08h] *) |
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sys.CODE("8B5D0C"); (* mov ebx, [ebp + 0Ch] *) |
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sys.CODE("8B4D10"); (* mov ecx, [ebp + 10h] *) |
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sys.CODE("8B5514"); (* mov edx, [ebp + 14h] *) |
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sys.CODE("8B7518"); (* mov esi, [ebp + 18h] *) |
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sys.CODE("FFD6"); (* call esi *) |
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sys.CODE("61"); (* popa *) |
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sys.CODE("C9"); (* leave *) |
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sys.CODE("C21400"); (* ret 14h *) |
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END dll_init2; |
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PROCEDURE GetProcAdr*(name: ARRAY OF CHAR; lib: INTEGER): INTEGER; |
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VAR cur, procname, adr: INTEGER; |
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PROCEDURE streq(str1, str2: INTEGER): BOOLEAN; |
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VAR c1, c2: CHAR; |
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BEGIN |
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REPEAT |
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sys.GET(str1, c1); |
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sys.GET(str2, c2); |
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INC(str1); |
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INC(str2) |
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UNTIL (c1 # c2) OR (c1 = 0X) |
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RETURN c1 = c2 |
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END streq; |
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BEGIN |
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adr := 0; |
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IF (lib # 0) & (name # "") THEN |
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cur := lib; |
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REPEAT |
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sys.GET(cur, procname); |
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INC(cur, 8) |
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UNTIL (procname = 0) OR streq(procname, sys.ADR(name[0])); |
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IF procname # 0 THEN |
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sys.GET(cur - 4, adr) |
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END |
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END |
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RETURN adr |
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END GetProcAdr; |
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PROCEDURE init(dll: INTEGER); |
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VAR lib_init: INTEGER; |
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BEGIN |
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lib_init := GetProcAdr("lib_init", dll); |
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IF lib_init # 0 THEN |
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DLL_INIT(lib_init) |
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END; |
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lib_init := GetProcAdr("START", dll); |
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IF lib_init # 0 THEN |
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DLL_INIT(lib_init) |
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END; |
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END init; |
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PROCEDURE [stdcall] dll_Load(import_table: INTEGER): INTEGER; |
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VAR imp, lib, exp, proc, res: INTEGER; |
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fail, done: BOOLEAN; |
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procname, libname: STRING; |
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PROCEDURE GetStr(adr, i: INTEGER; VAR str: STRING); |
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VAR c: CHAR; |
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BEGIN |
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REPEAT |
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sys.GET(adr, c); INC(adr); |
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str[i] := c; INC(i) |
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UNTIL c = 0X |
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END GetStr; |
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BEGIN |
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sys.CODE("60"); (* pusha *) |
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fail := FALSE; |
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done := FALSE; |
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res := 0; |
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libname := "/rd/1/lib/"; |
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REPEAT |
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sys.GET(import_table, imp); |
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IF imp # 0 THEN |
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sys.GET(import_table + 4, lib); |
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GetStr(lib, 10, libname); |
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exp := sysfunc3(68, 19, sys.ADR(libname[0])); |
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fail := exp = 0; |
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ELSE |
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done := TRUE |
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END; |
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IF fail THEN |
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done := TRUE |
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END; |
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IF (imp # 0) & ~fail THEN |
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REPEAT |
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sys.GET(imp, proc); |
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IF proc # 0 THEN |
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GetStr(proc, 0, procname); |
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proc := GetProcAdr(procname, exp); |
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IF proc # 0 THEN |
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sys.PUT(imp, proc); |
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INC(imp, 4); |
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END |
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END |
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UNTIL proc = 0; |
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init(exp); |
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INC(import_table, 8) |
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END |
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UNTIL done; |
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IF fail THEN |
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res := 1 |
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END; |
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import_table := res; |
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sys.CODE("61") (* popa *) |
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RETURN import_table |
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END dll_Load; |
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PROCEDURE [stdcall] dll_Init(entry: INTEGER); |
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BEGIN |
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sys.CODE("60"); (* pusha *) |
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IF entry # 0 THEN |
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dll_init2(sys.ADR(malloc), sys.ADR(free), sys.ADR(realloc), sys.ADR(dll_Load), entry) |
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END; |
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sys.CODE("61"); (* popa *) |
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END dll_Init; |
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PROCEDURE LoadLib*(name: ARRAY OF CHAR): INTEGER; |
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VAR Lib: INTEGER; |
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BEGIN |
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akron1 |
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DLL_INIT := dll_Init; |
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Lib := sysfunc3(68, 19, sys.ADR(name[0])); |
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IF Lib # 0 THEN |
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init(Lib) |
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END |
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RETURN Lib |
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END LoadLib; |
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END KOSAPI. |