forked from KolibriOS/kolibrios
323 lines
11 KiB
Plaintext
323 lines
11 KiB
Plaintext
(*
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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 <http://www.gnu.org/licenses/>.
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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 [stdcall] malloc*(size: INTEGER): INTEGER;
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BEGIN
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sys.CODE("60"); (* pusha *)
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size := sysfunc3(68, 12, size);
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sys.CODE("61") (* popa *)
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RETURN size
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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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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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BEGIN
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DLL_INIT := dll_Init
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END KOSAPI. |