75 lines
2.3 KiB
Plaintext
75 lines
2.3 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 API;
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IMPORT sys := SYSTEM;
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VAR
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Alloc*: PROCEDURE [winapi] (uFlags, dwBytes: INTEGER): INTEGER;
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Free*: PROCEDURE [winapi] (hMem: INTEGER): INTEGER;
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MessageBoxA*: PROCEDURE [winapi] (hWnd, lpText, lpCaption, uType: INTEGER): INTEGER;
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ExitProcess*: PROCEDURE [winapi] (code: INTEGER);
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strncmp*: PROCEDURE [cdecl] (a, b, n: INTEGER): INTEGER;
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GetProcAddress*: PROCEDURE [winapi] (hModule, name: INTEGER): INTEGER;
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LoadLibraryA*: PROCEDURE [winapi] (name: INTEGER): INTEGER;
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PROCEDURE zeromem*(size, adr: INTEGER);
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END zeromem;
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PROCEDURE DebugMsg*(lpText, lpCaption: INTEGER);
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BEGIN
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MessageBoxA(0, lpText, lpCaption, 16)
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END DebugMsg;
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PROCEDURE GetProc(name: ARRAY OF CHAR; hMOD, adr: INTEGER);
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VAR H: INTEGER;
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BEGIN
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H := GetProcAddress(hMOD, sys.ADR(name[0]));
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ASSERT(H # 0);
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sys.PUT(adr, H);
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END GetProc;
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PROCEDURE _NEW*(size: INTEGER): INTEGER;
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RETURN Alloc(64, size)
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END _NEW;
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PROCEDURE _DISPOSE*(p: INTEGER): INTEGER;
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RETURN Free(p)
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END _DISPOSE;
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PROCEDURE init* (esp: INTEGER);
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VAR lib: INTEGER;
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BEGIN
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sys.GET(esp, GetProcAddress);
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sys.GET(esp + 4, LoadLibraryA);
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lib := LoadLibraryA(sys.ADR("kernel32.dll"));
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GetProc("ExitProcess", lib, sys.ADR(ExitProcess));
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GetProc("GlobalAlloc", lib, sys.ADR(Alloc));
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GetProc("GlobalFree", lib, sys.ADR(Free));
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lib := LoadLibraryA(sys.ADR("msvcrt.dll"));
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GetProc("strncmp", lib, sys.ADR(strncmp));
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lib := LoadLibraryA(sys.ADR("user32.dll"));
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GetProc("MessageBoxA", lib, sys.ADR(MessageBoxA));
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END init;
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END API. |