mirror of
https://github.com/KolibriOS/kolibrios.git
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143 lines
4.0 KiB
Plaintext
143 lines
4.0 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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TYPE
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TP* = ARRAY 2 OF INTEGER;
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VAR
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Param*: INTEGER;
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sec* : INTEGER;
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dsec* : INTEGER;
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stdin* : INTEGER;
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stdout* : INTEGER;
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stderr* : INTEGER;
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dlopen* : PROCEDURE [cdecl] (filename, flag: INTEGER): INTEGER;
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dlsym* : PROCEDURE [cdecl] (handle, symbol: INTEGER): INTEGER;
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_malloc* : PROCEDURE [cdecl] (size: INTEGER): INTEGER;
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free* : PROCEDURE [cdecl] (ptr: INTEGER);
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fopen* : PROCEDURE [cdecl] (fname, fmode: INTEGER): INTEGER;
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fclose*, ftell* : PROCEDURE [cdecl] (file: INTEGER): INTEGER;
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fwrite*, fread* : PROCEDURE [cdecl] (buffer, bytes, blocks, file: INTEGER): INTEGER;
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fseek* : PROCEDURE [cdecl] (file, offset, origin: INTEGER): INTEGER;
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exit* : PROCEDURE [cdecl] (code: INTEGER);
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strncmp* : PROCEDURE [cdecl] (str1, str2, n: INTEGER): INTEGER;
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strlen* : PROCEDURE [cdecl] (str: INTEGER): INTEGER;
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clock_gettime* : PROCEDURE [cdecl] (clock_id: INTEGER; VAR tp: TP): INTEGER;
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PROCEDURE [stdcall] zeromem* (size, adr: INTEGER);
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BEGIN
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sys.CODE("578B7D0C8B4D0833C09CFCF3AB9D5F")
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END zeromem;
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PROCEDURE Align(n, m: INTEGER): INTEGER;
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RETURN n + (m - n MOD m) MOD m
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END Align;
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PROCEDURE malloc* (Bytes: INTEGER): INTEGER;
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VAR res: INTEGER;
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BEGIN
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Bytes := Align(Bytes, 4);
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res := _malloc(Bytes);
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IF res # 0 THEN
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zeromem(ASR(Bytes, 2), res)
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END
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RETURN res
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END malloc;
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PROCEDURE Free* (hMem: INTEGER): INTEGER;
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BEGIN
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free(hMem)
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RETURN 0
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END Free;
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PROCEDURE _NEW*(size: INTEGER): INTEGER;
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RETURN malloc(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 ConOut(str, length: INTEGER);
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BEGIN
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length := fwrite(str, length, 1, stdout)
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END ConOut;
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PROCEDURE DebugMsg* (lpText, lpCaption: INTEGER);
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VAR eol: ARRAY 3 OF CHAR;
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BEGIN
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eol[0] := 0DX;
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eol[1] := 0AX;
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eol[2] := 00X;
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ConOut(sys.ADR(eol), 2);
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ConOut(lpCaption, strlen(lpCaption));
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ConOut(sys.ADR(":"), 1);
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ConOut(sys.ADR(eol), 2);
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ConOut(lpText, strlen(lpText));
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ConOut(sys.ADR(eol), 2);
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END DebugMsg;
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PROCEDURE ExitProcess* (code: INTEGER);
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BEGIN
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exit(code)
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END ExitProcess;
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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 := dlsym(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 init* (esp: INTEGER);
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VAR lib, proc: INTEGER;
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BEGIN
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Param := esp;
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sys.MOVE(Param + 12, sys.ADR(dlopen), 4);
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sys.MOVE(Param + 16, sys.ADR(dlsym), 4);
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sys.MOVE(Param + 20, sys.ADR(exit), 4);
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sys.MOVE(Param + 24, sys.ADR(stdin), 4);
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sys.MOVE(Param + 28, sys.ADR(stdout), 4);
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sys.MOVE(Param + 32, sys.ADR(stderr), 4);
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sys.MOVE(Param + 36, sys.ADR(_malloc), 4);
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sys.MOVE(Param + 40, sys.ADR(free), 4);
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sys.MOVE(Param + 44, sys.ADR(fopen), 4);
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sys.MOVE(Param + 48, sys.ADR(fclose), 4);
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sys.MOVE(Param + 52, sys.ADR(fwrite), 4);
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sys.MOVE(Param + 56, sys.ADR(fread), 4);
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sys.MOVE(Param + 60, sys.ADR(fseek), 4);
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sys.MOVE(Param + 64, sys.ADR(ftell), 4);
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lib := dlopen(sys.ADR("libc.so.6"), 1);
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ASSERT(lib # 0);
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GetProc("strncmp", lib, sys.ADR(strncmp));
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GetProc("strlen", lib, sys.ADR(strlen));
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lib := dlopen(sys.ADR("librt.so.1"), 1);
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ASSERT(lib # 0);
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GetProc("clock_gettime", lib, sys.ADR(clock_gettime));
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END init;
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END API. |