forked from KolibriOS/kolibrios
130 lines
2.8 KiB
Plaintext
130 lines
2.8 KiB
Plaintext
(*
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BSD 2-Clause License
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Copyright (c) 2018-2020, Anton Krotov
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All rights reserved.
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*)
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MODULE API;
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IMPORT SYSTEM;
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CONST
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SectionAlignment = 1000H;
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DLL_PROCESS_ATTACH = 1;
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DLL_THREAD_ATTACH = 2;
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DLL_THREAD_DETACH = 3;
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DLL_PROCESS_DETACH = 0;
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TYPE
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DLL_ENTRY* = PROCEDURE (hinstDLL, fdwReason, lpvReserved: INTEGER);
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VAR
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eol*: ARRAY 3 OF CHAR;
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base*: INTEGER;
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heap: INTEGER;
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process_detach,
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thread_detach,
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thread_attach: DLL_ENTRY;
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PROCEDURE [windows-, "kernel32.dll", "ExitProcess"] ExitProcess (code: INTEGER);
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PROCEDURE [windows-, "kernel32.dll", "ExitThread"] ExitThread (code: INTEGER);
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PROCEDURE [windows-, "kernel32.dll", "GetProcessHeap"] GetProcessHeap (): INTEGER;
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PROCEDURE [windows-, "kernel32.dll", "HeapAlloc"] HeapAlloc (hHeap, dwFlags, dwBytes: INTEGER): INTEGER;
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PROCEDURE [windows-, "kernel32.dll", "HeapFree"] HeapFree(hHeap, dwFlags, lpMem: INTEGER);
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PROCEDURE [windows-, "user32.dll", "MessageBoxA"] MessageBoxA (hWnd, lpText, lpCaption, uType: INTEGER): INTEGER;
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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 _NEW* (size: INTEGER): INTEGER;
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RETURN HeapAlloc(heap, 8, size)
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END _NEW;
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PROCEDURE _DISPOSE* (p: INTEGER): INTEGER;
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BEGIN
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HeapFree(heap, 0, p)
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RETURN 0
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END _DISPOSE;
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PROCEDURE init* (reserved, code: INTEGER);
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BEGIN
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process_detach := NIL;
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thread_detach := NIL;
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thread_attach := NIL;
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eol[0] := 0DX; eol[1] := 0AX; eol[2] := 0X;
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base := code - SectionAlignment;
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heap := GetProcessHeap()
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END init;
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PROCEDURE exit* (code: INTEGER);
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BEGIN
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ExitProcess(code)
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END exit;
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PROCEDURE exit_thread* (code: INTEGER);
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BEGIN
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ExitThread(code)
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END exit_thread;
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PROCEDURE dllentry* (hinstDLL, fdwReason, lpvReserved: INTEGER): INTEGER;
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VAR
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res: INTEGER;
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BEGIN
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res := 0;
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CASE fdwReason OF
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|DLL_PROCESS_ATTACH:
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res := 1
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|DLL_THREAD_ATTACH:
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IF thread_attach # NIL THEN
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thread_attach(hinstDLL, fdwReason, lpvReserved)
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END
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|DLL_THREAD_DETACH:
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IF thread_detach # NIL THEN
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thread_detach(hinstDLL, fdwReason, lpvReserved)
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END
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|DLL_PROCESS_DETACH:
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IF process_detach # NIL THEN
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process_detach(hinstDLL, fdwReason, lpvReserved)
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END
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ELSE
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END
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RETURN res
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END dllentry;
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PROCEDURE sofinit*;
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END sofinit;
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PROCEDURE SetDll* (_process_detach, _thread_detach, _thread_attach: DLL_ENTRY);
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BEGIN
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process_detach := _process_detach;
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thread_detach := _thread_detach;
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thread_attach := _thread_attach
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END SetDll;
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END API. |