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Consolidate ulm library files.
This commit is contained in:
David Brown
parent
e4309559f3
commit
d6d9666713
20 changed files with 0 additions and 3345 deletions
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@ -1,137 +0,0 @@
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MODULE ulmSYSTEM;
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IMPORT SYSTEM, Unix, Sys := ulmSys;
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TYPE pchar = POINTER TO ARRAY 1 OF CHAR;
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pstring = POINTER TO ARRAY 1024 OF CHAR;
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pstatus = POINTER TO Unix.Status;
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TYPE bytearray* = ARRAY SIZE(LONGINT) OF SYSTEM.BYTE; (* need this because voc does not convert implicitly LONGINT to ARRAY OF BYTE; -- noch *)
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pbytearray* = POINTER TO bytearray;
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TYPE longrealarray* = ARRAY SIZE(LONGREAL) OF SYSTEM.BYTE; (* need this because voc does not convert implicitly LONGINT to ARRAY OF BYTE; -- noch *)
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plongrealarray* = POINTER TO bytearray;
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PROCEDURE LongToByteArr* ( l : LONGINT; VAR bar : bytearray); (* noch *)
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VAR b : SYSTEM.BYTE;
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p : pbytearray;
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i : LONGINT;
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BEGIN
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p := SYSTEM.VAL(pbytearray, SYSTEM.ADR(l));
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FOR i := 0 TO SIZE(LONGINT) -1 DO
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b := p^[i]; bar[i] := b;
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END
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END LongToByteArr;
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PROCEDURE LRealToByteArr* ( l : LONGREAL; VAR lar : longrealarray); (* noch *)
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VAR b : SYSTEM.BYTE;
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p : plongrealarray;
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i : LONGINT;
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BEGIN
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p := SYSTEM.VAL(plongrealarray, SYSTEM.ADR(l));
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FOR i := 0 TO SIZE(LONGREAL) -1 DO
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b := p^[i]; lar[i] := b;
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END
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END LRealToByteArr;
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(*
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PROCEDURE -Write(adr, n: LONGINT): LONGINT
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"write(1/*stdout*/, adr, n)";
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PROCEDURE -read(VAR ch: CHAR): LONGINT
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"read(0/*stdin*/, ch, 1)";
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*)
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PROCEDURE TAS*(VAR flag:BOOLEAN): BOOLEAN; (* added for compatibility with ulmSYSTEM module; noch *)
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VAR oldflag : BOOLEAN;
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BEGIN
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oldflag := flag;
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flag := TRUE;
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RETURN oldflag;
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END TAS;
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PROCEDURE UNIXCALL*(syscall: LONGINT; VAR d0, d1: LONGINT; (* in ulm version both LONGINT and INTEGER are 4 byte size *)
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arg1, arg2, arg3: LONGINT) : BOOLEAN;
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VAR
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n : LONGINT;
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ch : CHAR;
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pch : pchar;
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pstr : pstring;
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pst : pstatus;
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BEGIN
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IF syscall = Sys.read THEN
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d0 := Unix.Read(arg1, arg2, arg3);
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IF d0 >= 0 THEN RETURN TRUE ELSE RETURN FALSE END
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(*NEW(pch);
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pch := SYSTEM.VAL(pchar, arg2);
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ch := pch^[0];
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n := read(ch);
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IF n # 1 THEN
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ch := 0X;
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RETURN FALSE
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ELSE
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pch^[0] := ch;
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RETURN TRUE
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END;
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*)
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ELSIF syscall = Sys.write THEN
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d0 := Unix.Write(arg1, arg2, arg3);
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IF d0 >= 0 THEN RETURN TRUE ELSE RETURN FALSE END
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(*NEW(pch);
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pch := SYSTEM.VAL(pchar, arg2);
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n := Write(SYSTEM.VAL(LONGINT, pch), 1);
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IF n # 1 THEN RETURN FALSE ELSE RETURN TRUE END
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*)
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ELSIF syscall = Sys.open THEN
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pstr := SYSTEM.VAL(pstring, arg1);
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d0 := Unix.Open(pstr^, SYSTEM.VAL(SET, arg3), SYSTEM.VAL(SET, arg2));
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IF d0 >= 0 THEN RETURN TRUE ELSE RETURN FALSE END
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ELSIF syscall = Sys.close THEN
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d0 := Unix.Close(arg1);
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IF d0 = 0 THEN RETURN TRUE ELSE RETURN FALSE END
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ELSIF syscall = Sys.lseek THEN
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d0 := Unix.Lseek(arg1, arg2, arg3);
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IF d0 >= 0 THEN RETURN TRUE ELSE RETURN FALSE END
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ELSIF syscall = Sys.ioctl THEN
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d0 := Unix.Ioctl(arg1, arg2, arg3);
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RETURN d0 >= 0;
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ELSIF syscall = Sys.fcntl THEN
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d0 := Unix.Fcntl (arg1, arg2, arg3);
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RETURN d0 >= 0;
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ELSIF syscall = Sys.dup THEN
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d0 := Unix.Dup(arg1);
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RETURN d0 > 0;
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ELSIF syscall = Sys.pipe THEN
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d0 := Unix.Pipe(arg1);
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RETURN d0 >= 0;
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ELSIF syscall = Sys.newstat THEN
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pst := SYSTEM.VAL(pstatus, arg2);
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pstr := SYSTEM.VAL(pstring, arg1);
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d0 := Unix.Stat(pstr^, pst^);
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RETURN d0 >= 0
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ELSIF syscall = Sys.newfstat THEN
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pst := SYSTEM.VAL(pstatus, arg2);
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d0 := Unix.Fstat(arg1, pst^);
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RETURN d0 >= 0;
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END
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END UNIXCALL;
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PROCEDURE UNIXFORK(VAR pid: LONGINT) : BOOLEAN;
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BEGIN
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END UNIXFORK;
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PROCEDURE UNIXSIGNAL(signo: INTEGER; p: PROCEDURE;
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VAR old: PROCEDURE; VAR error: INTEGER) : BOOLEAN;
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BEGIN
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END UNIXSIGNAL;
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PROCEDURE WMOVE*(from, to, n : LONGINT);
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VAR l : LONGINT;
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BEGIN
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SYSTEM.MOVE(from, to, n);
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END WMOVE;
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END ulmSYSTEM.
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@ -1,574 +0,0 @@
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(* Ulm's Oberon Library
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Copyright (C) 1989-1994 by University of Ulm, SAI, D-89069 Ulm, Germany
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----------------------------------------------------------------------------
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Ulm's Oberon Library is free software; you can redistribute it
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and/or modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either version
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2 of the License, or (at your option) any later version.
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Ulm's Oberon Library is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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----------------------------------------------------------------------------
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E-mail contact: oberon@mathematik.uni-ulm.de
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----------------------------------------------------------------------------
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$Id: SysConversi.om,v 1.2 1997/07/30 09:38:16 borchert Exp $
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----------------------------------------------------------------------------
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$Log: SysConversi.om,v $
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Revision 1.2 1997/07/30 09:38:16 borchert
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bug in ReadConv fixed: cv.flags was used but not set for
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counts > 1
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Revision 1.1 1994/02/23 07:58:28 borchert
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Initial revision
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----------------------------------------------------------------------------
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AFB 8/90
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adapted to linux cae 02/01
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----------------------------------------------------------------------------
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*)
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MODULE ulmSysConversions;
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(* convert Oberon records to/from C structures *)
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IMPORT Events := ulmEvents, Objects := ulmObjects, Priorities := ulmPriorities, Streams := ulmStreams, Strings := ulmStrings,
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SYS := SYSTEM, SysTypes := ulmSysTypes, Texts := ulmTexts;
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TYPE
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Address* = SysTypes.Address;
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Size* = Address;
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(* format:
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Format = Conversion { "/" Conversion } .
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Conversion = [ Factors ] ConvChars [ Comment ] .
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Factors = Array | Factor | Array Factor | Factor Array .
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Array = Integer ":" .
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Factor = Integer "*" .
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ConvChars = OberonType CType | Skip CType | OberonType Skip .
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OberonType = "a" | "b" | "c" | "s" | "i" | "l" | "S" .
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CType = "a" | "c" | "s" | "i" | "l" .
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Integer = Digit { Digit } .
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Digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" .
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Skip = "-" .
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Comment = "=" { AnyChar } .
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AnyChar = (* all characters except "/" *) .
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Oberon data types:
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a: Address
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b: SYS.BYTE
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B: BOOLEAN
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c: CHAR
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s: SHORTINT
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i: INTEGER
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l: LONGINT
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S: SET
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C data types:
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a: char *
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c: /* signed */ char
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C: unsigned char
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s: short int
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S: unsigned short int
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i: int
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I: unsigned int
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u: unsigned int
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l: long int
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L: unsigned long int
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example:
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conversion from
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Rec =
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RECORD
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a, b: INTEGER;
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c: CHAR;
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s: SET;
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f: ARRAY 3 OF INTEGER;
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END;
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to
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struct rec {
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short a, b;
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char c;
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int xx; /* to be skipped on conversion */
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int s;
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int f[3];
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};
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or vice versa:
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"2*is=a,b/cc=c/-i=xx/Si=s/3:ii=f"
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The comments allow to give the field names.
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*)
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CONST
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(* conversion flags *)
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unsigned = 0; (* suppress sign extension *)
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boolean = 1; (* convert anything # 0 to 1 *)
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TYPE
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Flags = SET;
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Event* = POINTER TO EventRec;
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EventRec* =
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RECORD
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(Events.EventRec)
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format*: Events.Message;
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END;
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ConvStream = POINTER TO ConvStreamRec;
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ConvStreamRec =
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RECORD
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fmt: Texts.Text;
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char: CHAR;
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eof: BOOLEAN;
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(* 1: Oberon type
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2: C type
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*)
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type1, type2: CHAR; length: INTEGER; left: INTEGER;
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offset1, offset2: Address;
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size1, size2: Address; elementsleft: INTEGER; flags: Flags;
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END;
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Format* = POINTER TO FormatRec;
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FormatRec* =
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RECORD
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(Objects.ObjectRec)
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offset1, offset2: Address;
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size1, size2: Address;
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flags: Flags;
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next: Format;
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END;
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VAR
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badformat*: Events.EventType;
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PROCEDURE Error(cv: ConvStream; msg: ARRAY OF CHAR);
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VAR
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event: Event;
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BEGIN
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NEW(event);
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event.type := badformat;
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event.message := "SysConversions: ";
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Strings.Concatenate(event.message, msg);
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Strings.Read(event.format, cv.fmt);
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Events.Raise(event);
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cv.eof := TRUE;
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cv.char := 0X;
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cv.left := 0;
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cv.elementsleft := 0;
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END Error;
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PROCEDURE SizeError(msg, format: ARRAY OF CHAR);
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VAR
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event: Event;
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BEGIN
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NEW(event);
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event.type := badformat;
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event.message := "SysConversions: ";
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Strings.Concatenate(event.message, msg);
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COPY(format, event.format);
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Events.Raise(event);
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END SizeError;
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PROCEDURE NextCh(cv: ConvStream);
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BEGIN
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cv.eof := cv.eof OR ~Streams.ReadByte(cv.fmt, cv.char) OR (cv.char = 0X);
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IF cv.eof THEN
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cv.char := 0X;
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END;
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END NextCh;
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PROCEDURE IsDigit(ch: CHAR) : BOOLEAN;
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BEGIN
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RETURN (ch >= "0") & (ch <= "9")
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END IsDigit;
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PROCEDURE ReadInt(cv: ConvStream; VAR i: INTEGER);
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BEGIN
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i := 0;
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REPEAT
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i := 10 * i + ORD(cv.char) - ORD("0");
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NextCh(cv);
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UNTIL ~IsDigit(cv.char);
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END ReadInt;
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PROCEDURE Open(VAR cv: ConvStream; format: ARRAY OF CHAR);
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BEGIN
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NEW(cv);
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Texts.Open(SYS.VAL(Streams.Stream, cv.fmt));
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Strings.Write(cv.fmt, format);
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cv.left := 0; cv.elementsleft := 0;
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cv.offset1 := 0; cv.offset2 := 0;
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cv.eof := FALSE;
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NextCh(cv);
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END Open;
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PROCEDURE Close(VAR cv: ConvStream);
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BEGIN
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IF ~Streams.Close(cv.fmt) THEN END;
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END Close;
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PROCEDURE ScanConv(cv: ConvStream;
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VAR type1, type2: CHAR;
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VAR length: INTEGER) : BOOLEAN;
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VAR
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i: INTEGER;
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factor: INTEGER;
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BEGIN
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IF cv.left > 0 THEN
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type1 := cv.type1;
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type2 := cv.type2;
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length := cv.length;
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DEC(cv.left);
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RETURN TRUE
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END;
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IF cv.char = "/" THEN
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NextCh(cv);
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END;
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IF cv.eof THEN
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RETURN FALSE
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END;
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factor := 0; length := 0;
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WHILE IsDigit(cv.char) DO
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ReadInt(cv, i);
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IF i <= 0 THEN
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Error(cv, "integer must be positive"); RETURN FALSE
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END;
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IF cv.char = ":" THEN
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IF length # 0 THEN
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Error(cv, "multiple length specification"); RETURN FALSE
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END;
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length := i;
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NextCh(cv);
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ELSIF cv.char = "*" THEN
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IF factor # 0 THEN
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Error(cv, "multiple factor specification"); RETURN FALSE
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END;
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factor := i; cv.left := factor - 1;
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NextCh(cv);
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ELSE
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Error(cv, "factor or length expected"); RETURN FALSE
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END;
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END;
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type1 := cv.char; NextCh(cv);
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type2 := cv.char; NextCh(cv);
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IF cv.left > 0 THEN
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cv.type1 := type1; cv.type2 := type2; cv.length := length;
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END;
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IF cv.char = "=" THEN (* comment *)
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REPEAT
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NextCh(cv);
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UNTIL cv.eof OR (cv.char = "/");
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END;
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RETURN TRUE
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END ScanConv;
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PROCEDURE Align(VAR offset: Address; boundary: Address);
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BEGIN
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IF SYS.VAL (INTEGER, offset) MOD SYS.VAL (INTEGER, boundary) # 0 THEN
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offset := SYS.VAL (INTEGER, offset) + (SYS.VAL (INTEGER, boundary) - SYS.VAL (INTEGER, offset) MOD SYS.VAL (INTEGER, boundary));
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END;
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END Align;
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PROCEDURE ReadConv(cv: ConvStream;
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VAR offset1, offset2: Address;
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VAR size1, size2: Address;
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VAR flags: Flags) : BOOLEAN;
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VAR
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type1, type2: CHAR;
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length: INTEGER;
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align: BOOLEAN;
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boundary: INTEGER;
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BEGIN
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IF cv.elementsleft > 0 THEN
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DEC(cv.elementsleft);
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(* Oberon type *)
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IF size1 > SIZE(SYS.BYTE) THEN
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Align(cv.offset1, SIZE(INTEGER));
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END;
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offset1 := cv.offset1; cv.offset1 := SYS.VAL (INTEGER, cv.offset1) + size1;
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size1 := cv.size1; size2 := cv.size2; flags := cv.flags;
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IF (size1 > 0) & (cv.elementsleft = 0) THEN
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Align(cv.offset1, SIZE(INTEGER));
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END;
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(* C type *)
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IF size2 > 1 THEN
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Align(cv.offset2, 2);
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END;
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offset2 := cv.offset2; cv.offset2 := SYS.VAL (INTEGER, cv.offset2) + SYS.VAL (INTEGER, size2);
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RETURN TRUE
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END;
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IF ScanConv(cv, type1, type2, length) THEN
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flags := {};
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(* Oberon type *)
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CASE type1 OF
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| "a": size1 := SIZE(Address); INCL(flags, unsigned);
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| "b": size1 := SIZE(SYS.BYTE); INCL(flags, unsigned);
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| "B": size1 := SIZE(BOOLEAN); INCL(flags, boolean);
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| "c": size1 := SIZE(CHAR); INCL(flags, unsigned);
|
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| "s": size1 := SIZE(SHORTINT);
|
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| "i": size1 := SIZE(INTEGER);
|
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| "l": size1 := SIZE(LONGINT);
|
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| "S": size1 := SIZE(SET); INCL(flags, unsigned);
|
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| "-": size1 := 0;
|
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ELSE Error(cv, "bad Oberon type specifier"); RETURN FALSE
|
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END;
|
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IF size1 > 0 THEN
|
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IF length > 0 THEN
|
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Align(cv.offset1, SIZE(INTEGER));
|
||||
ELSIF size1 > SIZE(SYS.BYTE) THEN
|
||||
Align(cv.offset1, SIZE(INTEGER));
|
||||
END;
|
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END;
|
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offset1 := cv.offset1; cv.offset1 := SYS.VAL (INTEGER, cv.offset1) + size1;
|
||||
|
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(* C type *)
|
||||
CASE type2 OF
|
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| "a": size2 := 4; INCL(flags, unsigned); (* char* *)
|
||||
| "c": size2 := 1; (* /* signed */ char *)
|
||||
| "C": size2 := 1; INCL(flags, unsigned); (* unsigned char *)
|
||||
| "s": size2 := 2; (* short int *)
|
||||
| "S": size2 := 2; INCL(flags, unsigned); (* unsigned short int *)
|
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| "i": size2 := 4; (* int *)
|
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| "I": size2 := 4; INCL(flags, unsigned); (* unsigned int *)
|
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| "u": size2 := 4; INCL(flags, unsigned); (* unsigned int *)
|
||||
| "l": size2 := 4; (* long int *)
|
||||
| "L": size2 := 4; INCL(flags, unsigned); (* long int *)
|
||||
| "-": size2 := 0;
|
||||
ELSE Error(cv, "bad C type specifier"); RETURN FALSE
|
||||
END;
|
||||
IF size2 > 1 THEN
|
||||
Align(cv.offset2, size2);
|
||||
END;
|
||||
offset2 := cv.offset2; cv.offset2 := SYS.VAL (INTEGER, cv.offset2) + SYS.VAL (INTEGER, size2);
|
||||
|
||||
cv.size1 := size1; cv.size2 := size2;
|
||||
IF length > 0 THEN
|
||||
cv.elementsleft := length - 1;
|
||||
cv.flags := flags;
|
||||
END;
|
||||
RETURN TRUE
|
||||
ELSE
|
||||
RETURN FALSE
|
||||
END;
|
||||
END ReadConv;
|
||||
|
||||
PROCEDURE Convert(from, to: Address; ssize, dsize: Address; flags: Flags);
|
||||
TYPE
|
||||
Bytes = ARRAY 8 OF CHAR;
|
||||
Pointer = POINTER TO Bytes;
|
||||
VAR
|
||||
dest, source: Pointer;
|
||||
dindex, sindex: INTEGER;
|
||||
nonzero: BOOLEAN;
|
||||
fill : CHAR;
|
||||
BEGIN
|
||||
IF ssize > 0 THEN
|
||||
dest := SYS.VAL(Pointer, to);
|
||||
source := SYS.VAL(Pointer, from);
|
||||
dindex := 0; sindex := 0;
|
||||
IF boolean IN flags THEN
|
||||
nonzero := FALSE;
|
||||
WHILE ssize > 0 DO
|
||||
nonzero := nonzero OR (source[sindex] # 0X);
|
||||
INC(sindex); ssize := SYS.VAL (INTEGER, ssize) - 1;
|
||||
END;
|
||||
IF dsize > 0 THEN
|
||||
IF nonzero THEN
|
||||
dest[dindex] := 1X;
|
||||
ELSE
|
||||
dest[dindex] := 0X;
|
||||
END;
|
||||
dsize := dsize - 1; INC (dindex);
|
||||
END;
|
||||
WHILE dsize > 0 DO
|
||||
dest[dindex] := 0X;
|
||||
dsize := SYS.VAL (INTEGER, dsize) - 1; INC(dindex);
|
||||
END;
|
||||
ELSE
|
||||
WHILE (dsize > 0) & (ssize > 0) DO
|
||||
dest[dindex] := source[sindex];
|
||||
ssize := SYS.VAL (INTEGER, ssize) - 1;
|
||||
dsize := dsize - 1;
|
||||
INC(dindex); INC(sindex);
|
||||
END;
|
||||
IF dsize > 0 THEN
|
||||
(* sindex has been incremented at least once because
|
||||
* ssize and dsize were greater than 0, i.e. sindex-1
|
||||
* is a valid inex. *)
|
||||
fill := 0X;
|
||||
IF ~(unsigned IN flags) & (source[sindex-1] >= 080X) THEN
|
||||
fill := 0FFX;
|
||||
END;
|
||||
END;
|
||||
WHILE dsize > 0 DO
|
||||
dest[dindex] := fill;
|
||||
dsize := SYS.VAL (INTEGER, dsize) - 1; INC(dindex);
|
||||
END;
|
||||
END;
|
||||
END;
|
||||
END Convert;
|
||||
|
||||
PROCEDURE ByAddrToC*(from, to: Address; format: ARRAY OF CHAR);
|
||||
VAR
|
||||
cv: ConvStream;
|
||||
offset1, offset2, size1, size2: Address;
|
||||
flags: Flags;
|
||||
BEGIN
|
||||
Open(cv, format);
|
||||
WHILE ReadConv(cv, offset1, offset2, size1, size2, flags) DO
|
||||
Convert(from + offset1, to + offset2, size1, size2, flags);
|
||||
END;
|
||||
Close(cv);
|
||||
END ByAddrToC;
|
||||
|
||||
PROCEDURE ByAddrFromC*(from, to: Address; format: ARRAY OF CHAR);
|
||||
VAR
|
||||
cv: ConvStream;
|
||||
offset1, offset2, size1, size2: Address;
|
||||
flags: Flags;
|
||||
BEGIN
|
||||
Open(cv, format);
|
||||
WHILE ReadConv(cv, offset1, offset2, size1, size2, flags) DO
|
||||
Convert(from + offset2, to + offset1, size2, size1, flags);
|
||||
END;
|
||||
Close(cv);
|
||||
END ByAddrFromC;
|
||||
|
||||
PROCEDURE CSize*(format: ARRAY OF CHAR) : Size;
|
||||
(* returns the size of the C-structure described by `format' *)
|
||||
VAR
|
||||
cv: ConvStream;
|
||||
offset1, offset2, size1, size2: Address;
|
||||
size: Address;
|
||||
flags: Flags;
|
||||
BEGIN
|
||||
Open(cv, format);
|
||||
WHILE ReadConv(cv, offset1, offset2, size1, size2, flags) DO END;
|
||||
Close(cv);
|
||||
size := offset2 + size2;
|
||||
Align(size, 2);
|
||||
RETURN size
|
||||
END CSize;
|
||||
|
||||
PROCEDURE OberonSize*(format: ARRAY OF CHAR) : Size;
|
||||
(* returns the size of the Oberon-structure described by `format' *)
|
||||
VAR
|
||||
cv: ConvStream;
|
||||
offset1, offset2, size1, size2: Address;
|
||||
size: Address;
|
||||
flags: Flags;
|
||||
BEGIN
|
||||
Open(cv, format);
|
||||
WHILE ReadConv(cv, offset1, offset2, size1, size2, flags) DO END;
|
||||
Close(cv);
|
||||
size := offset1 + size1;
|
||||
Align(size, SIZE(INTEGER));
|
||||
RETURN size
|
||||
END OberonSize;
|
||||
|
||||
PROCEDURE ToC*(VAR from, to: ARRAY OF SYS.BYTE; format: ARRAY OF CHAR);
|
||||
BEGIN
|
||||
IF OberonSize(format) > LEN(from) THEN
|
||||
SizeError("Oberon record is too small", format); RETURN
|
||||
END;
|
||||
IF CSize(format) > LEN(to) THEN
|
||||
SizeError("C structure is too small", format); RETURN
|
||||
END;
|
||||
ByAddrToC(SYS.ADR(from), SYS.ADR(to), format);
|
||||
END ToC;
|
||||
|
||||
PROCEDURE FromC*(VAR from, to: ARRAY OF SYS.BYTE; format: ARRAY OF CHAR);
|
||||
BEGIN
|
||||
IF OberonSize(format) > LEN(to) THEN
|
||||
SizeError("Oberon record is too small", format); RETURN
|
||||
END;
|
||||
IF CSize(format) > LEN(from) THEN
|
||||
SizeError("C structure is too small", format); RETURN
|
||||
END;
|
||||
ByAddrFromC(SYS.ADR(from), SYS.ADR(to), format);
|
||||
END FromC;
|
||||
|
||||
PROCEDURE Compile*(VAR fmt: Format; format: ARRAY OF CHAR);
|
||||
(* translate format into an internal representation
|
||||
which is later referenced by fmt;
|
||||
ByFmtToC and ByFmtFromC are faster than ToC and FromC
|
||||
*)
|
||||
VAR
|
||||
cv: ConvStream;
|
||||
offset1, offset2, size1, size2: Address;
|
||||
flags: Flags;
|
||||
element: Format;
|
||||
head, tail: Format;
|
||||
BEGIN
|
||||
Open(cv, format);
|
||||
head := NIL; tail := NIL;
|
||||
WHILE ReadConv(cv, offset1, offset2, size1, size2, flags) DO
|
||||
NEW(element);
|
||||
element.offset1 := offset1;
|
||||
element.offset2 := offset2;
|
||||
element.size1 := size1;
|
||||
element.size2 := size2;
|
||||
element.flags := flags;
|
||||
element.next := NIL;
|
||||
IF tail # NIL THEN
|
||||
tail.next := element;
|
||||
ELSE
|
||||
head := element;
|
||||
END;
|
||||
tail := element;
|
||||
END;
|
||||
fmt := head;
|
||||
Close(cv);
|
||||
END Compile;
|
||||
|
||||
PROCEDURE ByFmtAndAddrToC*(from, to: Address; format: Format);
|
||||
VAR
|
||||
offset1, offset2, size1, size2: Address;
|
||||
flags: Flags;
|
||||
BEGIN
|
||||
WHILE format # NIL DO
|
||||
Convert(from + format.offset1, to + format.offset2,
|
||||
format.size1, format.size2, format.flags);
|
||||
format := format.next;
|
||||
END;
|
||||
END ByFmtAndAddrToC;
|
||||
|
||||
PROCEDURE ByFmtAndAddrFromC*(from, to: Address; format: Format);
|
||||
VAR
|
||||
offset1, offset2, size1, size2: Address;
|
||||
flags: Flags;
|
||||
BEGIN
|
||||
WHILE format # NIL DO
|
||||
Convert(from + format.offset2, to + format.offset1,
|
||||
format.size2, format.size1, format.flags);
|
||||
format := format.next;
|
||||
END;
|
||||
END ByFmtAndAddrFromC;
|
||||
|
||||
PROCEDURE ByFmtToC*(VAR from, to: ARRAY OF SYS.BYTE; format: Format);
|
||||
BEGIN
|
||||
ByFmtAndAddrToC(SYS.ADR(from), SYS.ADR(to), format);
|
||||
END ByFmtToC;
|
||||
|
||||
PROCEDURE ByFmtFromC*(VAR from, to: ARRAY OF SYS.BYTE; format: Format);
|
||||
BEGIN
|
||||
ByFmtAndAddrFromC(SYS.ADR(from), SYS.ADR(to), format);
|
||||
END ByFmtFromC;
|
||||
|
||||
BEGIN
|
||||
Events.Define(badformat);
|
||||
Events.SetPriority(badformat, Priorities.liberrors);
|
||||
END ulmSysConversions.
|
||||
|
|
@ -1,201 +0,0 @@
|
|||
(* Ulm's Oberon Library
|
||||
Copyright (C) 1989-1994 by University of Ulm, SAI, D-89069 Ulm, Germany
|
||||
----------------------------------------------------------------------------
|
||||
Ulm's Oberon Library is free software; you can redistribute it
|
||||
and/or modify it under the terms of the GNU Library General Public
|
||||
License as published by the Free Software Foundation; either version
|
||||
2 of the License, or (at your option) any later version.
|
||||
|
||||
Ulm's Oberon Library is distributed in the hope that it will be
|
||||
useful, but WITHOUT ANY WARRANTY; without even the implied warranty
|
||||
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Library General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Library General Public
|
||||
License along with this library; if not, write to the Free Software
|
||||
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
----------------------------------------------------------------------------
|
||||
E-mail contact: oberon@mathematik.uni-ulm.de
|
||||
----------------------------------------------------------------------------
|
||||
$Id: SysStat.om,v 1.3 2000/11/12 13:02:09 borchert Exp $
|
||||
----------------------------------------------------------------------------
|
||||
$Log: SysStat.om,v $
|
||||
Revision 1.3 2000/11/12 13:02:09 borchert
|
||||
door file type added
|
||||
|
||||
Revision 1.2 2000/11/12 12:48:07 borchert
|
||||
- conversion adapted to Solaris 2.x
|
||||
- Lstat added
|
||||
|
||||
Revision 1.1 1994/02/23 08:00:48 borchert
|
||||
Initial revision
|
||||
|
||||
----------------------------------------------------------------------------
|
||||
AFB 9/89
|
||||
----------------------------------------------------------------------------
|
||||
*)
|
||||
|
||||
MODULE ulmSysStat;
|
||||
|
||||
(* examine inode: stat(2) and fstat(2) *)
|
||||
|
||||
IMPORT RelatedEvents := ulmRelatedEvents, Sys := ulmSys, SYS := SYSTEM, uSYS := ulmSYSTEM, SysConversions := ulmSysConversions, SysErrors := ulmSysErrors,
|
||||
SysTypes := ulmSysTypes;
|
||||
|
||||
CONST
|
||||
(* file mode:
|
||||
bit 0 = 1<<0 bit 31 = 1<<31
|
||||
|
||||
user group other
|
||||
3 1 1111 11
|
||||
1 ... 6 5432 109 876 543 210
|
||||
+--------+------+-----+-----+-----+-----+
|
||||
| unused | type | sst | rwx | rwx | rwx |
|
||||
+--------+------+-----+-----+-----+-----+
|
||||
*)
|
||||
|
||||
type* = {12..15};
|
||||
prot* = {0..8};
|
||||
|
||||
(* file types; example: (stat.mode * type = dir) *)
|
||||
reg* = {15}; (* regular *)
|
||||
dir* = {14}; (* directory *)
|
||||
chr* = {13}; (* character special *)
|
||||
fifo* = {12}; (* fifo *)
|
||||
blk* = {13..14}; (* block special *)
|
||||
symlink* = {13, 15}; (* symbolic link *)
|
||||
socket* = {14, 15}; (* socket *)
|
||||
|
||||
(* special *)
|
||||
setuid* = 11; (* set user id on execution *)
|
||||
setgid* = 10; (* set group id on execution *)
|
||||
savetext* = 9; (* save swapped text even after use *)
|
||||
|
||||
(* protection *)
|
||||
uread* = 8; (* read permission owner *)
|
||||
uwrite* = 7; (* write permission owner *)
|
||||
uexec* = 6; (* execute/search permission owner *)
|
||||
gread* = 5; (* read permission group *)
|
||||
gwrite* = 4; (* write permission group *)
|
||||
gexec* = 3; (* execute/search permission group *)
|
||||
oread* = 2; (* read permission other *)
|
||||
owrite* = 1; (* write permission other *)
|
||||
oexec* = 0; (* execute/search permission other *)
|
||||
|
||||
(* example for "r-xr-x---": (read + exec) * (owner + group) *)
|
||||
owner* = {uread, uwrite, uexec};
|
||||
group* = {gread, gwrite, gexec};
|
||||
other* = {oread, owrite, oexec};
|
||||
read* = {uread, gread, oread};
|
||||
write* = {uwrite, gwrite, owrite};
|
||||
exec* = {uexec, gexec, oexec};
|
||||
rwx* = prot;
|
||||
|
||||
TYPE
|
||||
StatRec* = (* result of stat(2) and fstat(2) *)
|
||||
RECORD
|
||||
device*: SysTypes.Device; (* ID of device containing
|
||||
a directory entry for this file *)
|
||||
inode*: SysTypes.Inode; (* inode number *)
|
||||
mode*: SET; (* file mode; see mknod(2) *)
|
||||
nlinks*: LONGINT; (* number of links *)
|
||||
uid*: LONGINT; (* user id of the file's owner *)
|
||||
gid*: LONGINT; (* group id of the file's group *)
|
||||
rdev*: SysTypes.Device; (* ID of device
|
||||
this entry is defined only for
|
||||
character special or block
|
||||
special files
|
||||
*)
|
||||
size*: SysTypes.Offset; (* file size in bytes *)
|
||||
blksize*: LONGINT; (* preferred blocksize *)
|
||||
blocks*: LONGINT; (* # of blocks allocated *)
|
||||
atime*: SysTypes.Time; (* time of last access *)
|
||||
mtime*: SysTypes.Time; (* time of last data modification *)
|
||||
ctime*: SysTypes.Time; (* time of last file status change *)
|
||||
END;
|
||||
|
||||
(* Linux kernel struct stat (2.2.17)
|
||||
struct stat {
|
||||
unsigned short st_dev;
|
||||
unsigned short __pad1;
|
||||
unsigned long st_ino;
|
||||
unsigned short st_mode;
|
||||
unsigned short st_nlink;
|
||||
unsigned short st_uid;
|
||||
unsigned short st_gid;
|
||||
unsigned short st_rdev;
|
||||
unsigned short __pad2;
|
||||
unsigned long st_size;
|
||||
unsigned long st_blksize;
|
||||
unsigned long st_blocks;
|
||||
unsigned long st_atime;
|
||||
unsigned long __unused1;
|
||||
unsigned long st_mtime;
|
||||
unsigned long __unused2;
|
||||
unsigned long st_ctime;
|
||||
unsigned long __unused3;
|
||||
unsigned long __unused4;
|
||||
unsigned long __unused5;
|
||||
};
|
||||
*)
|
||||
|
||||
CONST
|
||||
statbufsize = 88(*64*); (* see <sys/stat.h> *) (* sizeof struct stat gives us 144 on x86_64 and 88 on x86 *)
|
||||
TYPE
|
||||
UnixStatRec = ARRAY statbufsize OF SYS.BYTE;
|
||||
CONST
|
||||
statbufconv =
|
||||
(*"is=dev/-s=pad1/ll=ino/Ss=mode/4*is=nlink+uid+gid+rdev/-s=pad2/ll=size/2*ll=blksize,blocks/il=atime/-l/il=mtime/-l/il=ctime/3*-l";*)
|
||||
(*"ls=dev/-s=pad1/lL=ino/Ss=mode/4*is=nlink+uid+gid+rdev/-s=pad2/lL=size/2*lL=blksize,blocks/lL=atime/-l/lL=mtime/-l/lL=ctime/3*-l";*)
|
||||
"ll=dev/-l=devx/-s=pad1/ll=ino/Sl=mode/ll=nlink/ll=uid/ll=gid/ll=rdev/-l=rdevx/-s=pad2/ll=size/2*ll=blksize,blocks/lL=atime/-l/lL=mtime/-l/lL=ctime/3*-l";
|
||||
VAR
|
||||
statbuffmt: SysConversions.Format;
|
||||
|
||||
PROCEDURE Stat*(path: ARRAY OF CHAR; VAR buf: StatRec;
|
||||
errors: RelatedEvents.Object) : BOOLEAN;
|
||||
VAR
|
||||
d0, d1, d2: LONGINT;
|
||||
origbuf: UnixStatRec;
|
||||
BEGIN
|
||||
IF uSYS.UNIXCALL(Sys.newstat, d0, d1, SYS.ADR(path), SYS.ADR(origbuf), d2) THEN
|
||||
SysConversions.ByFmtFromC(origbuf, buf, statbuffmt);
|
||||
RETURN TRUE
|
||||
ELSE
|
||||
SysErrors.Raise(errors, d0, Sys.newstat, path);
|
||||
RETURN FALSE
|
||||
END;
|
||||
END Stat;
|
||||
(*
|
||||
PROCEDURE Lstat*(path: ARRAY OF CHAR; VAR buf: StatRec;
|
||||
errors: RelatedEvents.Object) : BOOLEAN;
|
||||
VAR
|
||||
d0, d1: INTEGER;
|
||||
origbuf: UnixStatRec;
|
||||
BEGIN
|
||||
IF SYS.UNIXCALL(Sys.newlstat, d0, d1, SYS.ADR(path), SYS.ADR(origbuf)) THEN
|
||||
SysConversions.ByFmtFromC(origbuf, buf, statbuffmt);
|
||||
RETURN TRUE
|
||||
ELSE
|
||||
SysErrors.Raise(errors, d0, Sys.newlstat, path);
|
||||
RETURN FALSE
|
||||
END;
|
||||
END Lstat;
|
||||
*)
|
||||
PROCEDURE Fstat*(fd: SysTypes.File; VAR buf: StatRec;
|
||||
errors: RelatedEvents.Object) : BOOLEAN;
|
||||
VAR
|
||||
d0, d1, d2: LONGINT;
|
||||
origbuf: UnixStatRec;
|
||||
BEGIN
|
||||
IF uSYS.UNIXCALL(Sys.newfstat, d0, d1, fd, SYS.ADR(origbuf), d2) THEN
|
||||
SysConversions.ByFmtFromC(origbuf, buf, statbuffmt);
|
||||
RETURN TRUE
|
||||
ELSE
|
||||
SysErrors.Raise(errors, d0, Sys.newfstat, "");
|
||||
RETURN FALSE
|
||||
END;
|
||||
END Fstat;
|
||||
|
||||
BEGIN
|
||||
SysConversions.Compile(statbuffmt, statbufconv);
|
||||
END ulmSysStat.
|
||||
|
|
@ -1,133 +0,0 @@
|
|||
(* Ulm's Oberon Library
|
||||
Copyright (C) 1989-2000 by University of Ulm, SAI, D-89069 Ulm, Germany
|
||||
----------------------------------------------------------------------------
|
||||
Ulm's Oberon Library is free software; you can redistribute it
|
||||
and/or modify it under the terms of the GNU Library General Public
|
||||
License as published by the Free Software Foundation; either version
|
||||
2 of the License, or (at your option) any later version.
|
||||
|
||||
Ulm's Oberon Library is distributed in the hope that it will be
|
||||
useful, but WITHOUT ANY WARRANTY; without even the implied warranty
|
||||
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Library General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Library General Public
|
||||
License along with this library; if not, write to the Free Software
|
||||
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
----------------------------------------------------------------------------
|
||||
E-mail contact: oberon@mathematik.uni-ulm.de
|
||||
----------------------------------------------------------------------------
|
||||
$Id: Types.om,v 1.5 2000/12/13 10:03:00 borchert Exp $
|
||||
----------------------------------------------------------------------------
|
||||
$Log: Types.om,v $
|
||||
Revision 1.5 2000/12/13 10:03:00 borchert
|
||||
SetInt type used in msb constant
|
||||
|
||||
Revision 1.4 2000/12/13 09:51:57 borchert
|
||||
constants and types for the relationship of INTEGER and SET added
|
||||
|
||||
Revision 1.3 1998/09/25 15:23:09 borchert
|
||||
Real32..Real128 added
|
||||
|
||||
Revision 1.2 1994/07/01 11:08:04 borchert
|
||||
IntAddress, Int8/16/32, ToInt8/16/32 and bit/little endian stuff added
|
||||
|
||||
Revision 1.1 1994/02/22 20:12:14 borchert
|
||||
Initial revision
|
||||
|
||||
----------------------------------------------------------------------------
|
||||
AFB 9/93
|
||||
----------------------------------------------------------------------------
|
||||
*)
|
||||
|
||||
MODULE ulmTypes;
|
||||
|
||||
(* compiler-dependent type definitions;
|
||||
this version works for Ulm's Oberon Compilers on
|
||||
following architectures: m68k and sparc
|
||||
*)
|
||||
|
||||
IMPORT SYS := SYSTEM;
|
||||
|
||||
TYPE
|
||||
Address* = LONGINT (*SYS.ADDRESS*);
|
||||
(* ulm compiler can accept
|
||||
VAR p : SYSTEM.ADDRESS; // SYSTEM.PTR in ETH and V4 versions
|
||||
...
|
||||
p := SYSTEM.ADR(something);
|
||||
and this is how it is used in ulm oberon system library,
|
||||
while SYSTEM.ADR returns LONGINT in ETH and V4 versions.
|
||||
Thus I leave it as LONGINT for now, before coming up with better solution -- noch *)
|
||||
UntracedAddress* = POINTER[1] TO UntracedAddressDesc; (*SYS.UNTRACEDADDRESS;*)
|
||||
UntracedAddressDesc* = RECORD[1] END;
|
||||
Count* = LONGINT;
|
||||
Size* = Count;
|
||||
Byte* = SYS.BYTE;
|
||||
IntAddress* = LONGINT;
|
||||
Int8* = SHORTINT;
|
||||
Int16* = INTEGER;
|
||||
Int32* = LONGINT;
|
||||
Real32* = REAL;
|
||||
Real64* = LONGREAL;
|
||||
|
||||
CONST
|
||||
bigEndian* = 0; (* SPARC, M68K etc *)
|
||||
littleEndian* = 1; (* Intel 80x86, VAX etc *)
|
||||
byteorder* = littleEndian; (* machine-dependent constant *)
|
||||
TYPE
|
||||
ByteOrder* = SHORTINT; (* bigEndian or littleEndian *)
|
||||
|
||||
(* following constants and type definitions try to make
|
||||
conversions from INTEGER to SET and vice versa more portable
|
||||
to allow for bit operations on INTEGER values
|
||||
*)
|
||||
TYPE
|
||||
SetInt* = LONGINT; (* INTEGER type that corresponds to SET *)
|
||||
VAR msb* : SET;
|
||||
msbIsMax*, msbIs0*: SHORTINT;
|
||||
msbindex*, lsbindex*, nofbits*: LONGINT;
|
||||
|
||||
PROCEDURE ToInt8*(int: LONGINT) : Int8;
|
||||
BEGIN
|
||||
RETURN SHORT(SHORT(int))
|
||||
END ToInt8;
|
||||
|
||||
PROCEDURE ToInt16*(int: LONGINT) : Int16;
|
||||
BEGIN
|
||||
RETURN SYS.VAL(Int16, int)
|
||||
END ToInt16;
|
||||
|
||||
PROCEDURE ToInt32*(int: LONGINT) : Int32;
|
||||
BEGIN
|
||||
RETURN int
|
||||
END ToInt32;
|
||||
|
||||
PROCEDURE ToReal32*(real: LONGREAL) : Real32;
|
||||
BEGIN
|
||||
RETURN SHORT(real)
|
||||
END ToReal32;
|
||||
|
||||
PROCEDURE ToReal64*(real: LONGREAL) : Real64;
|
||||
BEGIN
|
||||
RETURN real
|
||||
END ToReal64;
|
||||
|
||||
BEGIN
|
||||
msb := SYS.VAL(SET, MIN(SetInt));
|
||||
(* most significant bit, converted to a SET *)
|
||||
(* we expect msbIsMax XOR msbIs0 to be 1;
|
||||
this is checked for by an assertion
|
||||
*)
|
||||
msbIsMax := SYS.VAL(SHORTINT, (msb = {MAX(SET)}));
|
||||
(* is 1, if msb equals {MAX(SET)} *)
|
||||
msbIs0 := SYS.VAL(SHORTINT, (msb = {0}));
|
||||
(* is 0, if msb equals {0} *)
|
||||
msbindex := msbIsMax * MAX(SET);
|
||||
(* set element that corresponds to the most-significant-bit *)
|
||||
lsbindex := MAX(SET) - msbindex;
|
||||
(* set element that corresponds to the lowest-significant-bit *)
|
||||
nofbits := MAX(SET) + 1;
|
||||
(* number of elements in SETs *)
|
||||
|
||||
ASSERT((msbIs0 = 1) & (msbIsMax = 0) OR (msbIs0 = 0) & (msbIsMax = 1));
|
||||
END ulmTypes.
|
||||
|
|
@ -1,137 +0,0 @@
|
|||
MODULE ulmSYSTEM;
|
||||
IMPORT SYSTEM, Unix, Sys := ulmSys;
|
||||
|
||||
TYPE pchar = POINTER TO ARRAY 1 OF CHAR;
|
||||
pstring = POINTER TO ARRAY 1024 OF CHAR;
|
||||
pstatus = POINTER TO Unix.Status;
|
||||
|
||||
TYPE bytearray* = ARRAY SIZE(LONGINT) OF SYSTEM.BYTE; (* need this because voc does not convert implicitly LONGINT to ARRAY OF BYTE; -- noch *)
|
||||
pbytearray* = POINTER TO bytearray;
|
||||
TYPE longrealarray* = ARRAY SIZE(LONGREAL) OF SYSTEM.BYTE; (* need this because voc does not convert implicitly LONGINT to ARRAY OF BYTE; -- noch *)
|
||||
plongrealarray* = POINTER TO bytearray;
|
||||
|
||||
PROCEDURE LongToByteArr* ( l : LONGINT; VAR bar : bytearray); (* noch *)
|
||||
VAR b : SYSTEM.BYTE;
|
||||
p : pbytearray;
|
||||
i : LONGINT;
|
||||
BEGIN
|
||||
p := SYSTEM.VAL(pbytearray, SYSTEM.ADR(l));
|
||||
FOR i := 0 TO SIZE(LONGINT) -1 DO
|
||||
b := p^[i]; bar[i] := b;
|
||||
END
|
||||
END LongToByteArr;
|
||||
|
||||
PROCEDURE LRealToByteArr* ( l : LONGREAL; VAR lar : longrealarray); (* noch *)
|
||||
VAR b : SYSTEM.BYTE;
|
||||
p : plongrealarray;
|
||||
i : LONGINT;
|
||||
BEGIN
|
||||
p := SYSTEM.VAL(plongrealarray, SYSTEM.ADR(l));
|
||||
FOR i := 0 TO SIZE(LONGREAL) -1 DO
|
||||
b := p^[i]; lar[i] := b;
|
||||
END
|
||||
END LRealToByteArr;
|
||||
|
||||
|
||||
(*
|
||||
PROCEDURE -Write(adr, n: LONGINT): LONGINT
|
||||
"write(1/*stdout*/, adr, n)";
|
||||
|
||||
PROCEDURE -read(VAR ch: CHAR): LONGINT
|
||||
"read(0/*stdin*/, ch, 1)";
|
||||
*)
|
||||
|
||||
PROCEDURE TAS*(VAR flag:BOOLEAN): BOOLEAN; (* added for compatibility with ulmSYSTEM module; noch *)
|
||||
VAR oldflag : BOOLEAN;
|
||||
BEGIN
|
||||
oldflag := flag;
|
||||
flag := TRUE;
|
||||
RETURN oldflag;
|
||||
END TAS;
|
||||
|
||||
PROCEDURE UNIXCALL*(syscall: LONGINT; VAR d0, d1: LONGINT; (* in ulm version both LONGINT and INTEGER are 4 byte size *)
|
||||
arg1, arg2, arg3: LONGINT) : BOOLEAN;
|
||||
VAR
|
||||
n : LONGINT;
|
||||
ch : CHAR;
|
||||
pch : pchar;
|
||||
pstr : pstring;
|
||||
pst : pstatus;
|
||||
BEGIN
|
||||
|
||||
IF syscall = Sys.read THEN
|
||||
d0 := Unix.Read(arg1, arg2, arg3);
|
||||
IF d0 >= 0 THEN RETURN TRUE ELSE RETURN FALSE END
|
||||
(*NEW(pch);
|
||||
pch := SYSTEM.VAL(pchar, arg2);
|
||||
ch := pch^[0];
|
||||
n := read(ch);
|
||||
IF n # 1 THEN
|
||||
ch := 0X;
|
||||
RETURN FALSE
|
||||
ELSE
|
||||
pch^[0] := ch;
|
||||
RETURN TRUE
|
||||
END;
|
||||
*)
|
||||
ELSIF syscall = Sys.write THEN
|
||||
d0 := Unix.Write(arg1, arg2, arg3);
|
||||
IF d0 >= 0 THEN RETURN TRUE ELSE RETURN FALSE END
|
||||
(*NEW(pch);
|
||||
pch := SYSTEM.VAL(pchar, arg2);
|
||||
n := Write(SYSTEM.VAL(LONGINT, pch), 1);
|
||||
IF n # 1 THEN RETURN FALSE ELSE RETURN TRUE END
|
||||
*)
|
||||
ELSIF syscall = Sys.open THEN
|
||||
pstr := SYSTEM.VAL(pstring, arg1);
|
||||
d0 := Unix.Open(pstr^, SYSTEM.VAL(SET, arg3), SYSTEM.VAL(SET, arg2));
|
||||
IF d0 >= 0 THEN RETURN TRUE ELSE RETURN FALSE END
|
||||
ELSIF syscall = Sys.close THEN
|
||||
d0 := Unix.Close(arg1);
|
||||
IF d0 = 0 THEN RETURN TRUE ELSE RETURN FALSE END
|
||||
ELSIF syscall = Sys.lseek THEN
|
||||
d0 := Unix.Lseek(arg1, arg2, arg3);
|
||||
IF d0 >= 0 THEN RETURN TRUE ELSE RETURN FALSE END
|
||||
ELSIF syscall = Sys.ioctl THEN
|
||||
d0 := Unix.Ioctl(arg1, arg2, arg3);
|
||||
RETURN d0 >= 0;
|
||||
ELSIF syscall = Sys.fcntl THEN
|
||||
d0 := Unix.Fcntl (arg1, arg2, arg3);
|
||||
RETURN d0 >= 0;
|
||||
ELSIF syscall = Sys.dup THEN
|
||||
d0 := Unix.Dup(arg1);
|
||||
RETURN d0 > 0;
|
||||
ELSIF syscall = Sys.pipe THEN
|
||||
d0 := Unix.Pipe(arg1);
|
||||
RETURN d0 >= 0;
|
||||
ELSIF syscall = Sys.newstat THEN
|
||||
pst := SYSTEM.VAL(pstatus, arg2);
|
||||
pstr := SYSTEM.VAL(pstring, arg1);
|
||||
d0 := Unix.Stat(pstr^, pst^);
|
||||
RETURN d0 >= 0
|
||||
ELSIF syscall = Sys.newfstat THEN
|
||||
pst := SYSTEM.VAL(pstatus, arg2);
|
||||
d0 := Unix.Fstat(arg1, pst^);
|
||||
RETURN d0 >= 0;
|
||||
END
|
||||
|
||||
END UNIXCALL;
|
||||
|
||||
|
||||
PROCEDURE UNIXFORK(VAR pid: LONGINT) : BOOLEAN;
|
||||
BEGIN
|
||||
|
||||
END UNIXFORK;
|
||||
|
||||
PROCEDURE UNIXSIGNAL(signo: INTEGER; p: PROCEDURE;
|
||||
VAR old: PROCEDURE; VAR error: INTEGER) : BOOLEAN;
|
||||
BEGIN
|
||||
|
||||
END UNIXSIGNAL;
|
||||
|
||||
PROCEDURE WMOVE*(from, to, n : LONGINT);
|
||||
VAR l : LONGINT;
|
||||
BEGIN
|
||||
SYSTEM.MOVE(from, to, n);
|
||||
END WMOVE;
|
||||
END ulmSYSTEM.
|
||||
|
|
@ -1,574 +0,0 @@
|
|||
(* Ulm's Oberon Library
|
||||
Copyright (C) 1989-1994 by University of Ulm, SAI, D-89069 Ulm, Germany
|
||||
----------------------------------------------------------------------------
|
||||
Ulm's Oberon Library is free software; you can redistribute it
|
||||
and/or modify it under the terms of the GNU Library General Public
|
||||
License as published by the Free Software Foundation; either version
|
||||
2 of the License, or (at your option) any later version.
|
||||
|
||||
Ulm's Oberon Library is distributed in the hope that it will be
|
||||
useful, but WITHOUT ANY WARRANTY; without even the implied warranty
|
||||
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Library General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Library General Public
|
||||
License along with this library; if not, write to the Free Software
|
||||
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
----------------------------------------------------------------------------
|
||||
E-mail contact: oberon@mathematik.uni-ulm.de
|
||||
----------------------------------------------------------------------------
|
||||
$Id: SysConversi.om,v 1.2 1997/07/30 09:38:16 borchert Exp $
|
||||
----------------------------------------------------------------------------
|
||||
$Log: SysConversi.om,v $
|
||||
Revision 1.2 1997/07/30 09:38:16 borchert
|
||||
bug in ReadConv fixed: cv.flags was used but not set for
|
||||
counts > 1
|
||||
|
||||
Revision 1.1 1994/02/23 07:58:28 borchert
|
||||
Initial revision
|
||||
|
||||
----------------------------------------------------------------------------
|
||||
AFB 8/90
|
||||
adapted to linux cae 02/01
|
||||
----------------------------------------------------------------------------
|
||||
*)
|
||||
|
||||
MODULE ulmSysConversions;
|
||||
|
||||
(* convert Oberon records to/from C structures *)
|
||||
|
||||
IMPORT Events := ulmEvents, Objects := ulmObjects, Priorities := ulmPriorities, Streams := ulmStreams, Strings := ulmStrings,
|
||||
SYS := SYSTEM, SysTypes := ulmSysTypes, Texts := ulmTexts;
|
||||
|
||||
TYPE
|
||||
Address* = SysTypes.Address;
|
||||
Size* = Address;
|
||||
|
||||
(* format:
|
||||
|
||||
Format = Conversion { "/" Conversion } .
|
||||
Conversion = [ Factors ] ConvChars [ Comment ] .
|
||||
Factors = Array | Factor | Array Factor | Factor Array .
|
||||
Array = Integer ":" .
|
||||
Factor = Integer "*" .
|
||||
ConvChars = OberonType CType | Skip CType | OberonType Skip .
|
||||
OberonType = "a" | "b" | "c" | "s" | "i" | "l" | "S" .
|
||||
CType = "a" | "c" | "s" | "i" | "l" .
|
||||
Integer = Digit { Digit } .
|
||||
Digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" .
|
||||
Skip = "-" .
|
||||
Comment = "=" { AnyChar } .
|
||||
AnyChar = (* all characters except "/" *) .
|
||||
|
||||
Oberon data types:
|
||||
|
||||
a: Address
|
||||
b: SYS.BYTE
|
||||
B: BOOLEAN
|
||||
c: CHAR
|
||||
s: SHORTINT
|
||||
i: INTEGER
|
||||
l: LONGINT
|
||||
S: SET
|
||||
|
||||
C data types:
|
||||
|
||||
a: char *
|
||||
c: /* signed */ char
|
||||
C: unsigned char
|
||||
s: short int
|
||||
S: unsigned short int
|
||||
i: int
|
||||
I: unsigned int
|
||||
u: unsigned int
|
||||
l: long int
|
||||
L: unsigned long int
|
||||
|
||||
example:
|
||||
|
||||
conversion from
|
||||
|
||||
Rec =
|
||||
RECORD
|
||||
a, b: INTEGER;
|
||||
c: CHAR;
|
||||
s: SET;
|
||||
f: ARRAY 3 OF INTEGER;
|
||||
END;
|
||||
|
||||
to
|
||||
|
||||
struct rec {
|
||||
short a, b;
|
||||
char c;
|
||||
int xx; /* to be skipped on conversion */
|
||||
int s;
|
||||
int f[3];
|
||||
};
|
||||
|
||||
or vice versa:
|
||||
|
||||
"2*is=a,b/cc=c/-i=xx/Si=s/3:ii=f"
|
||||
|
||||
The comments allow to give the field names.
|
||||
*)
|
||||
|
||||
CONST
|
||||
(* conversion flags *)
|
||||
unsigned = 0; (* suppress sign extension *)
|
||||
boolean = 1; (* convert anything # 0 to 1 *)
|
||||
TYPE
|
||||
Flags = SET;
|
||||
Event* = POINTER TO EventRec;
|
||||
EventRec* =
|
||||
RECORD
|
||||
(Events.EventRec)
|
||||
format*: Events.Message;
|
||||
END;
|
||||
ConvStream = POINTER TO ConvStreamRec;
|
||||
ConvStreamRec =
|
||||
RECORD
|
||||
fmt: Texts.Text;
|
||||
char: CHAR;
|
||||
eof: BOOLEAN;
|
||||
(* 1: Oberon type
|
||||
2: C type
|
||||
*)
|
||||
type1, type2: CHAR; length: INTEGER; left: INTEGER;
|
||||
offset1, offset2: Address;
|
||||
size1, size2: Address; elementsleft: INTEGER; flags: Flags;
|
||||
END;
|
||||
|
||||
Format* = POINTER TO FormatRec;
|
||||
FormatRec* =
|
||||
RECORD
|
||||
(Objects.ObjectRec)
|
||||
offset1, offset2: Address;
|
||||
size1, size2: Address;
|
||||
flags: Flags;
|
||||
next: Format;
|
||||
END;
|
||||
VAR
|
||||
badformat*: Events.EventType;
|
||||
|
||||
PROCEDURE Error(cv: ConvStream; msg: ARRAY OF CHAR);
|
||||
VAR
|
||||
event: Event;
|
||||
BEGIN
|
||||
NEW(event);
|
||||
event.type := badformat;
|
||||
event.message := "SysConversions: ";
|
||||
Strings.Concatenate(event.message, msg);
|
||||
Strings.Read(event.format, cv.fmt);
|
||||
Events.Raise(event);
|
||||
cv.eof := TRUE;
|
||||
cv.char := 0X;
|
||||
cv.left := 0;
|
||||
cv.elementsleft := 0;
|
||||
END Error;
|
||||
|
||||
PROCEDURE SizeError(msg, format: ARRAY OF CHAR);
|
||||
VAR
|
||||
event: Event;
|
||||
BEGIN
|
||||
NEW(event);
|
||||
event.type := badformat;
|
||||
event.message := "SysConversions: ";
|
||||
Strings.Concatenate(event.message, msg);
|
||||
COPY(format, event.format);
|
||||
Events.Raise(event);
|
||||
END SizeError;
|
||||
|
||||
PROCEDURE NextCh(cv: ConvStream);
|
||||
BEGIN
|
||||
cv.eof := cv.eof OR ~Streams.ReadByte(cv.fmt, cv.char) OR (cv.char = 0X);
|
||||
IF cv.eof THEN
|
||||
cv.char := 0X;
|
||||
END;
|
||||
END NextCh;
|
||||
|
||||
PROCEDURE IsDigit(ch: CHAR) : BOOLEAN;
|
||||
BEGIN
|
||||
RETURN (ch >= "0") & (ch <= "9")
|
||||
END IsDigit;
|
||||
|
||||
PROCEDURE ReadInt(cv: ConvStream; VAR i: INTEGER);
|
||||
BEGIN
|
||||
i := 0;
|
||||
REPEAT
|
||||
i := 10 * i + ORD(cv.char) - ORD("0");
|
||||
NextCh(cv);
|
||||
UNTIL ~IsDigit(cv.char);
|
||||
END ReadInt;
|
||||
|
||||
PROCEDURE Open(VAR cv: ConvStream; format: ARRAY OF CHAR);
|
||||
BEGIN
|
||||
NEW(cv);
|
||||
Texts.Open(SYS.VAL(Streams.Stream, cv.fmt));
|
||||
Strings.Write(cv.fmt, format);
|
||||
cv.left := 0; cv.elementsleft := 0;
|
||||
cv.offset1 := 0; cv.offset2 := 0;
|
||||
cv.eof := FALSE;
|
||||
NextCh(cv);
|
||||
END Open;
|
||||
|
||||
PROCEDURE Close(VAR cv: ConvStream);
|
||||
BEGIN
|
||||
IF ~Streams.Close(cv.fmt) THEN END;
|
||||
END Close;
|
||||
|
||||
PROCEDURE ScanConv(cv: ConvStream;
|
||||
VAR type1, type2: CHAR;
|
||||
VAR length: INTEGER) : BOOLEAN;
|
||||
VAR
|
||||
i: INTEGER;
|
||||
factor: INTEGER;
|
||||
BEGIN
|
||||
IF cv.left > 0 THEN
|
||||
type1 := cv.type1;
|
||||
type2 := cv.type2;
|
||||
length := cv.length;
|
||||
DEC(cv.left);
|
||||
RETURN TRUE
|
||||
END;
|
||||
IF cv.char = "/" THEN
|
||||
NextCh(cv);
|
||||
END;
|
||||
IF cv.eof THEN
|
||||
RETURN FALSE
|
||||
END;
|
||||
factor := 0; length := 0;
|
||||
WHILE IsDigit(cv.char) DO
|
||||
ReadInt(cv, i);
|
||||
IF i <= 0 THEN
|
||||
Error(cv, "integer must be positive"); RETURN FALSE
|
||||
END;
|
||||
IF cv.char = ":" THEN
|
||||
IF length # 0 THEN
|
||||
Error(cv, "multiple length specification"); RETURN FALSE
|
||||
END;
|
||||
length := i;
|
||||
NextCh(cv);
|
||||
ELSIF cv.char = "*" THEN
|
||||
IF factor # 0 THEN
|
||||
Error(cv, "multiple factor specification"); RETURN FALSE
|
||||
END;
|
||||
factor := i; cv.left := factor - 1;
|
||||
NextCh(cv);
|
||||
ELSE
|
||||
Error(cv, "factor or length expected"); RETURN FALSE
|
||||
END;
|
||||
END;
|
||||
type1 := cv.char; NextCh(cv);
|
||||
type2 := cv.char; NextCh(cv);
|
||||
IF cv.left > 0 THEN
|
||||
cv.type1 := type1; cv.type2 := type2; cv.length := length;
|
||||
END;
|
||||
IF cv.char = "=" THEN (* comment *)
|
||||
REPEAT
|
||||
NextCh(cv);
|
||||
UNTIL cv.eof OR (cv.char = "/");
|
||||
END;
|
||||
RETURN TRUE
|
||||
END ScanConv;
|
||||
|
||||
PROCEDURE Align(VAR offset: Address; boundary: Address);
|
||||
BEGIN
|
||||
IF SYS.VAL (INTEGER, offset) MOD SYS.VAL (INTEGER, boundary) # 0 THEN
|
||||
offset := SYS.VAL (INTEGER, offset) + (SYS.VAL (INTEGER, boundary) - SYS.VAL (INTEGER, offset) MOD SYS.VAL (INTEGER, boundary));
|
||||
END;
|
||||
END Align;
|
||||
|
||||
PROCEDURE ReadConv(cv: ConvStream;
|
||||
VAR offset1, offset2: Address;
|
||||
VAR size1, size2: Address;
|
||||
VAR flags: Flags) : BOOLEAN;
|
||||
VAR
|
||||
type1, type2: CHAR;
|
||||
length: INTEGER;
|
||||
align: BOOLEAN;
|
||||
boundary: INTEGER;
|
||||
BEGIN
|
||||
IF cv.elementsleft > 0 THEN
|
||||
DEC(cv.elementsleft);
|
||||
|
||||
(* Oberon type *)
|
||||
IF size1 > SIZE(SYS.BYTE) THEN
|
||||
Align(cv.offset1, SIZE(INTEGER));
|
||||
END;
|
||||
offset1 := cv.offset1; cv.offset1 := SYS.VAL (INTEGER, cv.offset1) + size1;
|
||||
size1 := cv.size1; size2 := cv.size2; flags := cv.flags;
|
||||
IF (size1 > 0) & (cv.elementsleft = 0) THEN
|
||||
Align(cv.offset1, SIZE(INTEGER));
|
||||
END;
|
||||
|
||||
(* C type *)
|
||||
IF size2 > 1 THEN
|
||||
Align(cv.offset2, 2);
|
||||
END;
|
||||
offset2 := cv.offset2; cv.offset2 := SYS.VAL (INTEGER, cv.offset2) + SYS.VAL (INTEGER, size2);
|
||||
|
||||
RETURN TRUE
|
||||
END;
|
||||
IF ScanConv(cv, type1, type2, length) THEN
|
||||
flags := {};
|
||||
(* Oberon type *)
|
||||
CASE type1 OF
|
||||
| "a": size1 := SIZE(Address); INCL(flags, unsigned);
|
||||
| "b": size1 := SIZE(SYS.BYTE); INCL(flags, unsigned);
|
||||
| "B": size1 := SIZE(BOOLEAN); INCL(flags, boolean);
|
||||
| "c": size1 := SIZE(CHAR); INCL(flags, unsigned);
|
||||
| "s": size1 := SIZE(SHORTINT);
|
||||
| "i": size1 := SIZE(INTEGER);
|
||||
| "l": size1 := SIZE(LONGINT);
|
||||
| "S": size1 := SIZE(SET); INCL(flags, unsigned);
|
||||
| "-": size1 := 0;
|
||||
ELSE Error(cv, "bad Oberon type specifier"); RETURN FALSE
|
||||
END;
|
||||
IF size1 > 0 THEN
|
||||
IF length > 0 THEN
|
||||
Align(cv.offset1, SIZE(INTEGER));
|
||||
ELSIF size1 > SIZE(SYS.BYTE) THEN
|
||||
Align(cv.offset1, SIZE(INTEGER));
|
||||
END;
|
||||
END;
|
||||
offset1 := cv.offset1; cv.offset1 := SYS.VAL (INTEGER, cv.offset1) + size1;
|
||||
|
||||
(* C type *)
|
||||
CASE type2 OF
|
||||
| "a": size2 := 4; INCL(flags, unsigned); (* char* *)
|
||||
| "c": size2 := 1; (* /* signed */ char *)
|
||||
| "C": size2 := 1; INCL(flags, unsigned); (* unsigned char *)
|
||||
| "s": size2 := 2; (* short int *)
|
||||
| "S": size2 := 2; INCL(flags, unsigned); (* unsigned short int *)
|
||||
| "i": size2 := 4; (* int *)
|
||||
| "I": size2 := 4; INCL(flags, unsigned); (* unsigned int *)
|
||||
| "u": size2 := 4; INCL(flags, unsigned); (* unsigned int *)
|
||||
| "l": size2 := 4; (* long int *)
|
||||
| "L": size2 := 4; INCL(flags, unsigned); (* long int *)
|
||||
| "-": size2 := 0;
|
||||
ELSE Error(cv, "bad C type specifier"); RETURN FALSE
|
||||
END;
|
||||
IF size2 > 1 THEN
|
||||
Align(cv.offset2, size2);
|
||||
END;
|
||||
offset2 := cv.offset2; cv.offset2 := SYS.VAL (INTEGER, cv.offset2) + SYS.VAL (INTEGER, size2);
|
||||
|
||||
cv.size1 := size1; cv.size2 := size2;
|
||||
IF length > 0 THEN
|
||||
cv.elementsleft := length - 1;
|
||||
cv.flags := flags;
|
||||
END;
|
||||
RETURN TRUE
|
||||
ELSE
|
||||
RETURN FALSE
|
||||
END;
|
||||
END ReadConv;
|
||||
|
||||
PROCEDURE Convert(from, to: Address; ssize, dsize: Address; flags: Flags);
|
||||
TYPE
|
||||
Bytes = ARRAY 8 OF CHAR;
|
||||
Pointer = POINTER TO Bytes;
|
||||
VAR
|
||||
dest, source: Pointer;
|
||||
dindex, sindex: INTEGER;
|
||||
nonzero: BOOLEAN;
|
||||
fill : CHAR;
|
||||
BEGIN
|
||||
IF ssize > 0 THEN
|
||||
dest := SYS.VAL(Pointer, to);
|
||||
source := SYS.VAL(Pointer, from);
|
||||
dindex := 0; sindex := 0;
|
||||
IF boolean IN flags THEN
|
||||
nonzero := FALSE;
|
||||
WHILE ssize > 0 DO
|
||||
nonzero := nonzero OR (source[sindex] # 0X);
|
||||
INC(sindex); ssize := SYS.VAL (INTEGER, ssize) - 1;
|
||||
END;
|
||||
IF dsize > 0 THEN
|
||||
IF nonzero THEN
|
||||
dest[dindex] := 1X;
|
||||
ELSE
|
||||
dest[dindex] := 0X;
|
||||
END;
|
||||
dsize := dsize - 1; INC (dindex);
|
||||
END;
|
||||
WHILE dsize > 0 DO
|
||||
dest[dindex] := 0X;
|
||||
dsize := SYS.VAL (INTEGER, dsize) - 1; INC(dindex);
|
||||
END;
|
||||
ELSE
|
||||
WHILE (dsize > 0) & (ssize > 0) DO
|
||||
dest[dindex] := source[sindex];
|
||||
ssize := SYS.VAL (INTEGER, ssize) - 1;
|
||||
dsize := dsize - 1;
|
||||
INC(dindex); INC(sindex);
|
||||
END;
|
||||
IF dsize > 0 THEN
|
||||
(* sindex has been incremented at least once because
|
||||
* ssize and dsize were greater than 0, i.e. sindex-1
|
||||
* is a valid inex. *)
|
||||
fill := 0X;
|
||||
IF ~(unsigned IN flags) & (source[sindex-1] >= 080X) THEN
|
||||
fill := 0FFX;
|
||||
END;
|
||||
END;
|
||||
WHILE dsize > 0 DO
|
||||
dest[dindex] := fill;
|
||||
dsize := SYS.VAL (INTEGER, dsize) - 1; INC(dindex);
|
||||
END;
|
||||
END;
|
||||
END;
|
||||
END Convert;
|
||||
|
||||
PROCEDURE ByAddrToC*(from, to: Address; format: ARRAY OF CHAR);
|
||||
VAR
|
||||
cv: ConvStream;
|
||||
offset1, offset2, size1, size2: Address;
|
||||
flags: Flags;
|
||||
BEGIN
|
||||
Open(cv, format);
|
||||
WHILE ReadConv(cv, offset1, offset2, size1, size2, flags) DO
|
||||
Convert(from + offset1, to + offset2, size1, size2, flags);
|
||||
END;
|
||||
Close(cv);
|
||||
END ByAddrToC;
|
||||
|
||||
PROCEDURE ByAddrFromC*(from, to: Address; format: ARRAY OF CHAR);
|
||||
VAR
|
||||
cv: ConvStream;
|
||||
offset1, offset2, size1, size2: Address;
|
||||
flags: Flags;
|
||||
BEGIN
|
||||
Open(cv, format);
|
||||
WHILE ReadConv(cv, offset1, offset2, size1, size2, flags) DO
|
||||
Convert(from + offset2, to + offset1, size2, size1, flags);
|
||||
END;
|
||||
Close(cv);
|
||||
END ByAddrFromC;
|
||||
|
||||
PROCEDURE CSize*(format: ARRAY OF CHAR) : Size;
|
||||
(* returns the size of the C-structure described by `format' *)
|
||||
VAR
|
||||
cv: ConvStream;
|
||||
offset1, offset2, size1, size2: Address;
|
||||
size: Address;
|
||||
flags: Flags;
|
||||
BEGIN
|
||||
Open(cv, format);
|
||||
WHILE ReadConv(cv, offset1, offset2, size1, size2, flags) DO END;
|
||||
Close(cv);
|
||||
size := offset2 + size2;
|
||||
Align(size, 2);
|
||||
RETURN size
|
||||
END CSize;
|
||||
|
||||
PROCEDURE OberonSize*(format: ARRAY OF CHAR) : Size;
|
||||
(* returns the size of the Oberon-structure described by `format' *)
|
||||
VAR
|
||||
cv: ConvStream;
|
||||
offset1, offset2, size1, size2: Address;
|
||||
size: Address;
|
||||
flags: Flags;
|
||||
BEGIN
|
||||
Open(cv, format);
|
||||
WHILE ReadConv(cv, offset1, offset2, size1, size2, flags) DO END;
|
||||
Close(cv);
|
||||
size := offset1 + size1;
|
||||
Align(size, SIZE(INTEGER));
|
||||
RETURN size
|
||||
END OberonSize;
|
||||
|
||||
PROCEDURE ToC*(VAR from, to: ARRAY OF SYS.BYTE; format: ARRAY OF CHAR);
|
||||
BEGIN
|
||||
IF OberonSize(format) > LEN(from) THEN
|
||||
SizeError("Oberon record is too small", format); RETURN
|
||||
END;
|
||||
IF CSize(format) > LEN(to) THEN
|
||||
SizeError("C structure is too small", format); RETURN
|
||||
END;
|
||||
ByAddrToC(SYS.ADR(from), SYS.ADR(to), format);
|
||||
END ToC;
|
||||
|
||||
PROCEDURE FromC*(VAR from, to: ARRAY OF SYS.BYTE; format: ARRAY OF CHAR);
|
||||
BEGIN
|
||||
IF OberonSize(format) > LEN(to) THEN
|
||||
SizeError("Oberon record is too small", format); RETURN
|
||||
END;
|
||||
IF CSize(format) > LEN(from) THEN
|
||||
SizeError("C structure is too small", format); RETURN
|
||||
END;
|
||||
ByAddrFromC(SYS.ADR(from), SYS.ADR(to), format);
|
||||
END FromC;
|
||||
|
||||
PROCEDURE Compile*(VAR fmt: Format; format: ARRAY OF CHAR);
|
||||
(* translate format into an internal representation
|
||||
which is later referenced by fmt;
|
||||
ByFmtToC and ByFmtFromC are faster than ToC and FromC
|
||||
*)
|
||||
VAR
|
||||
cv: ConvStream;
|
||||
offset1, offset2, size1, size2: Address;
|
||||
flags: Flags;
|
||||
element: Format;
|
||||
head, tail: Format;
|
||||
BEGIN
|
||||
Open(cv, format);
|
||||
head := NIL; tail := NIL;
|
||||
WHILE ReadConv(cv, offset1, offset2, size1, size2, flags) DO
|
||||
NEW(element);
|
||||
element.offset1 := offset1;
|
||||
element.offset2 := offset2;
|
||||
element.size1 := size1;
|
||||
element.size2 := size2;
|
||||
element.flags := flags;
|
||||
element.next := NIL;
|
||||
IF tail # NIL THEN
|
||||
tail.next := element;
|
||||
ELSE
|
||||
head := element;
|
||||
END;
|
||||
tail := element;
|
||||
END;
|
||||
fmt := head;
|
||||
Close(cv);
|
||||
END Compile;
|
||||
|
||||
PROCEDURE ByFmtAndAddrToC*(from, to: Address; format: Format);
|
||||
VAR
|
||||
offset1, offset2, size1, size2: Address;
|
||||
flags: Flags;
|
||||
BEGIN
|
||||
WHILE format # NIL DO
|
||||
Convert(from + format.offset1, to + format.offset2,
|
||||
format.size1, format.size2, format.flags);
|
||||
format := format.next;
|
||||
END;
|
||||
END ByFmtAndAddrToC;
|
||||
|
||||
PROCEDURE ByFmtAndAddrFromC*(from, to: Address; format: Format);
|
||||
VAR
|
||||
offset1, offset2, size1, size2: Address;
|
||||
flags: Flags;
|
||||
BEGIN
|
||||
WHILE format # NIL DO
|
||||
Convert(from + format.offset2, to + format.offset1,
|
||||
format.size2, format.size1, format.flags);
|
||||
format := format.next;
|
||||
END;
|
||||
END ByFmtAndAddrFromC;
|
||||
|
||||
PROCEDURE ByFmtToC*(VAR from, to: ARRAY OF SYS.BYTE; format: Format);
|
||||
BEGIN
|
||||
ByFmtAndAddrToC(SYS.ADR(from), SYS.ADR(to), format);
|
||||
END ByFmtToC;
|
||||
|
||||
PROCEDURE ByFmtFromC*(VAR from, to: ARRAY OF SYS.BYTE; format: Format);
|
||||
BEGIN
|
||||
ByFmtAndAddrFromC(SYS.ADR(from), SYS.ADR(to), format);
|
||||
END ByFmtFromC;
|
||||
|
||||
BEGIN
|
||||
Events.Define(badformat);
|
||||
Events.SetPriority(badformat, Priorities.liberrors);
|
||||
END ulmSysConversions.
|
||||
|
|
@ -1,201 +0,0 @@
|
|||
(* Ulm's Oberon Library
|
||||
Copyright (C) 1989-1994 by University of Ulm, SAI, D-89069 Ulm, Germany
|
||||
----------------------------------------------------------------------------
|
||||
Ulm's Oberon Library is free software; you can redistribute it
|
||||
and/or modify it under the terms of the GNU Library General Public
|
||||
License as published by the Free Software Foundation; either version
|
||||
2 of the License, or (at your option) any later version.
|
||||
|
||||
Ulm's Oberon Library is distributed in the hope that it will be
|
||||
useful, but WITHOUT ANY WARRANTY; without even the implied warranty
|
||||
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Library General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Library General Public
|
||||
License along with this library; if not, write to the Free Software
|
||||
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
----------------------------------------------------------------------------
|
||||
E-mail contact: oberon@mathematik.uni-ulm.de
|
||||
----------------------------------------------------------------------------
|
||||
$Id: SysStat.om,v 1.3 2000/11/12 13:02:09 borchert Exp $
|
||||
----------------------------------------------------------------------------
|
||||
$Log: SysStat.om,v $
|
||||
Revision 1.3 2000/11/12 13:02:09 borchert
|
||||
door file type added
|
||||
|
||||
Revision 1.2 2000/11/12 12:48:07 borchert
|
||||
- conversion adapted to Solaris 2.x
|
||||
- Lstat added
|
||||
|
||||
Revision 1.1 1994/02/23 08:00:48 borchert
|
||||
Initial revision
|
||||
|
||||
----------------------------------------------------------------------------
|
||||
AFB 9/89
|
||||
----------------------------------------------------------------------------
|
||||
*)
|
||||
|
||||
MODULE ulmSysStat;
|
||||
|
||||
(* examine inode: stat(2) and fstat(2) *)
|
||||
|
||||
IMPORT RelatedEvents := ulmRelatedEvents, Sys := ulmSys, SYS := SYSTEM, uSYS := ulmSYSTEM, SysConversions := ulmSysConversions, SysErrors := ulmSysErrors,
|
||||
SysTypes := ulmSysTypes;
|
||||
|
||||
CONST
|
||||
(* file mode:
|
||||
bit 0 = 1<<0 bit 31 = 1<<31
|
||||
|
||||
user group other
|
||||
3 1 1111 11
|
||||
1 ... 6 5432 109 876 543 210
|
||||
+--------+------+-----+-----+-----+-----+
|
||||
| unused | type | sst | rwx | rwx | rwx |
|
||||
+--------+------+-----+-----+-----+-----+
|
||||
*)
|
||||
|
||||
type* = {12..15};
|
||||
prot* = {0..8};
|
||||
|
||||
(* file types; example: (stat.mode * type = dir) *)
|
||||
reg* = {15}; (* regular *)
|
||||
dir* = {14}; (* directory *)
|
||||
chr* = {13}; (* character special *)
|
||||
fifo* = {12}; (* fifo *)
|
||||
blk* = {13..14}; (* block special *)
|
||||
symlink* = {13, 15}; (* symbolic link *)
|
||||
socket* = {14, 15}; (* socket *)
|
||||
|
||||
(* special *)
|
||||
setuid* = 11; (* set user id on execution *)
|
||||
setgid* = 10; (* set group id on execution *)
|
||||
savetext* = 9; (* save swapped text even after use *)
|
||||
|
||||
(* protection *)
|
||||
uread* = 8; (* read permission owner *)
|
||||
uwrite* = 7; (* write permission owner *)
|
||||
uexec* = 6; (* execute/search permission owner *)
|
||||
gread* = 5; (* read permission group *)
|
||||
gwrite* = 4; (* write permission group *)
|
||||
gexec* = 3; (* execute/search permission group *)
|
||||
oread* = 2; (* read permission other *)
|
||||
owrite* = 1; (* write permission other *)
|
||||
oexec* = 0; (* execute/search permission other *)
|
||||
|
||||
(* example for "r-xr-x---": (read + exec) * (owner + group) *)
|
||||
owner* = {uread, uwrite, uexec};
|
||||
group* = {gread, gwrite, gexec};
|
||||
other* = {oread, owrite, oexec};
|
||||
read* = {uread, gread, oread};
|
||||
write* = {uwrite, gwrite, owrite};
|
||||
exec* = {uexec, gexec, oexec};
|
||||
rwx* = prot;
|
||||
|
||||
TYPE
|
||||
StatRec* = (* result of stat(2) and fstat(2) *)
|
||||
RECORD
|
||||
device*: SysTypes.Device; (* ID of device containing
|
||||
a directory entry for this file *)
|
||||
inode*: SysTypes.Inode; (* inode number *)
|
||||
mode*: SET; (* file mode; see mknod(2) *)
|
||||
nlinks*: LONGINT; (* number of links *)
|
||||
uid*: LONGINT; (* user id of the file's owner *)
|
||||
gid*: LONGINT; (* group id of the file's group *)
|
||||
rdev*: SysTypes.Device; (* ID of device
|
||||
this entry is defined only for
|
||||
character special or block
|
||||
special files
|
||||
*)
|
||||
size*: SysTypes.Offset; (* file size in bytes *)
|
||||
blksize*: LONGINT; (* preferred blocksize *)
|
||||
blocks*: LONGINT; (* # of blocks allocated *)
|
||||
atime*: SysTypes.Time; (* time of last access *)
|
||||
mtime*: SysTypes.Time; (* time of last data modification *)
|
||||
ctime*: SysTypes.Time; (* time of last file status change *)
|
||||
END;
|
||||
|
||||
(* Linux kernel struct stat (2.2.17)
|
||||
struct stat {
|
||||
unsigned short st_dev;
|
||||
unsigned short __pad1;
|
||||
unsigned long st_ino;
|
||||
unsigned short st_mode;
|
||||
unsigned short st_nlink;
|
||||
unsigned short st_uid;
|
||||
unsigned short st_gid;
|
||||
unsigned short st_rdev;
|
||||
unsigned short __pad2;
|
||||
unsigned long st_size;
|
||||
unsigned long st_blksize;
|
||||
unsigned long st_blocks;
|
||||
unsigned long st_atime;
|
||||
unsigned long __unused1;
|
||||
unsigned long st_mtime;
|
||||
unsigned long __unused2;
|
||||
unsigned long st_ctime;
|
||||
unsigned long __unused3;
|
||||
unsigned long __unused4;
|
||||
unsigned long __unused5;
|
||||
};
|
||||
*)
|
||||
|
||||
CONST
|
||||
statbufsize = 88(*64*); (* see <sys/stat.h> *) (* sizeof struct stat gives us 144 on x86_64 and 88 on x86 *)
|
||||
TYPE
|
||||
UnixStatRec = ARRAY statbufsize OF SYS.BYTE;
|
||||
CONST
|
||||
statbufconv =
|
||||
(*"is=dev/-s=pad1/ll=ino/Ss=mode/4*is=nlink+uid+gid+rdev/-s=pad2/ll=size/2*ll=blksize,blocks/il=atime/-l/il=mtime/-l/il=ctime/3*-l";*)
|
||||
(*"ls=dev/-s=pad1/lL=ino/Ss=mode/4*is=nlink+uid+gid+rdev/-s=pad2/lL=size/2*lL=blksize,blocks/lL=atime/-l/lL=mtime/-l/lL=ctime/3*-l";*)
|
||||
"ll=dev/-l=devx/-s=pad1/ll=ino/Sl=mode/ll=nlink/ll=uid/ll=gid/ll=rdev/-l=rdevx/-s=pad2/ll=size/2*ll=blksize,blocks/lL=atime/-l/lL=mtime/-l/lL=ctime/3*-l";
|
||||
VAR
|
||||
statbuffmt: SysConversions.Format;
|
||||
|
||||
PROCEDURE Stat*(path: ARRAY OF CHAR; VAR buf: StatRec;
|
||||
errors: RelatedEvents.Object) : BOOLEAN;
|
||||
VAR
|
||||
d0, d1, d2: LONGINT;
|
||||
origbuf: UnixStatRec;
|
||||
BEGIN
|
||||
IF uSYS.UNIXCALL(Sys.newstat, d0, d1, SYS.ADR(path), SYS.ADR(origbuf), d2) THEN
|
||||
SysConversions.ByFmtFromC(origbuf, buf, statbuffmt);
|
||||
RETURN TRUE
|
||||
ELSE
|
||||
SysErrors.Raise(errors, d0, Sys.newstat, path);
|
||||
RETURN FALSE
|
||||
END;
|
||||
END Stat;
|
||||
(*
|
||||
PROCEDURE Lstat*(path: ARRAY OF CHAR; VAR buf: StatRec;
|
||||
errors: RelatedEvents.Object) : BOOLEAN;
|
||||
VAR
|
||||
d0, d1: INTEGER;
|
||||
origbuf: UnixStatRec;
|
||||
BEGIN
|
||||
IF SYS.UNIXCALL(Sys.newlstat, d0, d1, SYS.ADR(path), SYS.ADR(origbuf)) THEN
|
||||
SysConversions.ByFmtFromC(origbuf, buf, statbuffmt);
|
||||
RETURN TRUE
|
||||
ELSE
|
||||
SysErrors.Raise(errors, d0, Sys.newlstat, path);
|
||||
RETURN FALSE
|
||||
END;
|
||||
END Lstat;
|
||||
*)
|
||||
PROCEDURE Fstat*(fd: SysTypes.File; VAR buf: StatRec;
|
||||
errors: RelatedEvents.Object) : BOOLEAN;
|
||||
VAR
|
||||
d0, d1, d2: LONGINT;
|
||||
origbuf: UnixStatRec;
|
||||
BEGIN
|
||||
IF uSYS.UNIXCALL(Sys.newfstat, d0, d1, fd, SYS.ADR(origbuf), d2) THEN
|
||||
SysConversions.ByFmtFromC(origbuf, buf, statbuffmt);
|
||||
RETURN TRUE
|
||||
ELSE
|
||||
SysErrors.Raise(errors, d0, Sys.newfstat, "");
|
||||
RETURN FALSE
|
||||
END;
|
||||
END Fstat;
|
||||
|
||||
BEGIN
|
||||
SysConversions.Compile(statbuffmt, statbufconv);
|
||||
END ulmSysStat.
|
||||
|
|
@ -1,70 +0,0 @@
|
|||
(* Ulm's Oberon Library
|
||||
Copyright (C) 1989-1994 by University of Ulm, SAI, D-89069 Ulm, Germany
|
||||
----------------------------------------------------------------------------
|
||||
Ulm's Oberon Library is free software; you can redistribute it
|
||||
and/or modify it under the terms of the GNU Library General Public
|
||||
License as published by the Free Software Foundation; either version
|
||||
2 of the License, or (at your option) any later version.
|
||||
|
||||
Ulm's Oberon Library is distributed in the hope that it will be
|
||||
useful, but WITHOUT ANY WARRANTY; without even the implied warranty
|
||||
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Library General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Library General Public
|
||||
License along with this library; if not, write to the Free Software
|
||||
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
----------------------------------------------------------------------------
|
||||
E-mail contact: oberon@mathematik.uni-ulm.de
|
||||
----------------------------------------------------------------------------
|
||||
$Id: SysTypes.om,v 1.1 1994/02/23 08:01:38 borchert Exp $
|
||||
----------------------------------------------------------------------------
|
||||
$Log: SysTypes.om,v $
|
||||
Revision 1.1 1994/02/23 08:01:38 borchert
|
||||
Initial revision
|
||||
|
||||
----------------------------------------------------------------------------
|
||||
AFB 9/89
|
||||
----------------------------------------------------------------------------
|
||||
*)
|
||||
|
||||
MODULE ulmSysTypes;
|
||||
|
||||
IMPORT Types := ulmTypes;
|
||||
|
||||
TYPE
|
||||
Address* = Types.Address;
|
||||
UntracedAddress* = Types.UntracedAddress;
|
||||
Count* = Types.Count;
|
||||
Size* = Types.Size;
|
||||
Byte* = Types.Byte;
|
||||
|
||||
File* = (*INTEGER*)LONGINT; (* in ulm's system both INTEGER and LONGINT are 4 bytes long *)
|
||||
Offset* = LONGINT;
|
||||
Device* = LONGINT;
|
||||
Inode* = LONGINT;
|
||||
Time* = LONGINT;
|
||||
|
||||
Word* = INTEGER; (* must have the size of C's int-type *)
|
||||
|
||||
(* Note: linux supports wait4 but not waitid, i.e. these
|
||||
* constants aren't needed. *)
|
||||
(*
|
||||
CONST
|
||||
(* possible values of the idtype parameter (4 bytes),
|
||||
see <sys/procset.h>
|
||||
*)
|
||||
idPid = 0; (* a process identifier *)
|
||||
idPpid = 1; (* a parent process identifier *)
|
||||
idPgid = 2; (* a process group (job control group) identifier *)
|
||||
idSid = 3; (* a session identifier *)
|
||||
idCid = 4; (* a scheduling class identifier *)
|
||||
idUid = 5; (* a user identifier *)
|
||||
idGid = 6; (* a group identifier *)
|
||||
idAll = 7; (* all processes *)
|
||||
idLwpid = 8; (* an LWP identifier *)
|
||||
TYPE
|
||||
IdType = INTEGER; (* idPid .. idLwpid *)
|
||||
*)
|
||||
|
||||
END ulmSysTypes.
|
||||
|
|
@ -1,133 +0,0 @@
|
|||
(* Ulm's Oberon Library
|
||||
Copyright (C) 1989-2000 by University of Ulm, SAI, D-89069 Ulm, Germany
|
||||
----------------------------------------------------------------------------
|
||||
Ulm's Oberon Library is free software; you can redistribute it
|
||||
and/or modify it under the terms of the GNU Library General Public
|
||||
License as published by the Free Software Foundation; either version
|
||||
2 of the License, or (at your option) any later version.
|
||||
|
||||
Ulm's Oberon Library is distributed in the hope that it will be
|
||||
useful, but WITHOUT ANY WARRANTY; without even the implied warranty
|
||||
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Library General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Library General Public
|
||||
License along with this library; if not, write to the Free Software
|
||||
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
----------------------------------------------------------------------------
|
||||
E-mail contact: oberon@mathematik.uni-ulm.de
|
||||
----------------------------------------------------------------------------
|
||||
$Id: Types.om,v 1.5 2000/12/13 10:03:00 borchert Exp $
|
||||
----------------------------------------------------------------------------
|
||||
$Log: Types.om,v $
|
||||
Revision 1.5 2000/12/13 10:03:00 borchert
|
||||
SetInt type used in msb constant
|
||||
|
||||
Revision 1.4 2000/12/13 09:51:57 borchert
|
||||
constants and types for the relationship of INTEGER and SET added
|
||||
|
||||
Revision 1.3 1998/09/25 15:23:09 borchert
|
||||
Real32..Real128 added
|
||||
|
||||
Revision 1.2 1994/07/01 11:08:04 borchert
|
||||
IntAddress, Int8/16/32, ToInt8/16/32 and bit/little endian stuff added
|
||||
|
||||
Revision 1.1 1994/02/22 20:12:14 borchert
|
||||
Initial revision
|
||||
|
||||
----------------------------------------------------------------------------
|
||||
AFB 9/93
|
||||
----------------------------------------------------------------------------
|
||||
*)
|
||||
|
||||
MODULE ulmTypes;
|
||||
|
||||
(* compiler-dependent type definitions;
|
||||
this version works for Ulm's Oberon Compilers on
|
||||
following architectures: m68k and sparc
|
||||
*)
|
||||
|
||||
IMPORT SYS := SYSTEM;
|
||||
|
||||
TYPE
|
||||
Address* = LONGINT (*SYS.ADDRESS*);
|
||||
(* ulm compiler can accept
|
||||
VAR p : SYSTEM.ADDRESS; // SYSTEM.PTR in ETH and V4 versions
|
||||
...
|
||||
p := SYSTEM.ADR(something);
|
||||
and this is how it is used in ulm oberon system library,
|
||||
while SYSTEM.ADR returns LONGINT in ETH and V4 versions.
|
||||
Thus I leave it as LONGINT for now, before coming up with better solution -- noch *)
|
||||
UntracedAddress* = POINTER[1] TO UntracedAddressDesc; (*SYS.UNTRACEDADDRESS;*)
|
||||
UntracedAddressDesc* = RECORD[1] END;
|
||||
Count* = LONGINT;
|
||||
Size* = Count;
|
||||
Byte* = SYS.BYTE;
|
||||
IntAddress* = LONGINT;
|
||||
Int8* = SHORTINT;
|
||||
Int16* = INTEGER;
|
||||
Int32* = LONGINT;
|
||||
Real32* = REAL;
|
||||
Real64* = LONGREAL;
|
||||
|
||||
CONST
|
||||
bigEndian* = 0; (* SPARC, M68K etc *)
|
||||
littleEndian* = 1; (* Intel 80x86, VAX etc *)
|
||||
byteorder* = bigEndian; (* machine-dependent constant *)
|
||||
TYPE
|
||||
ByteOrder* = SHORTINT; (* bigEndian or littleEndian *)
|
||||
|
||||
(* following constants and type definitions try to make
|
||||
conversions from INTEGER to SET and vice versa more portable
|
||||
to allow for bit operations on INTEGER values
|
||||
*)
|
||||
TYPE
|
||||
SetInt* = LONGINT; (* INTEGER type that corresponds to SET *)
|
||||
VAR msb* : SET;
|
||||
msbIsMax*, msbIs0*: SHORTINT;
|
||||
msbindex*, lsbindex*, nofbits*: LONGINT;
|
||||
|
||||
PROCEDURE ToInt8*(int: LONGINT) : Int8;
|
||||
BEGIN
|
||||
RETURN SHORT(SHORT(int))
|
||||
END ToInt8;
|
||||
|
||||
PROCEDURE ToInt16*(int: LONGINT) : Int16;
|
||||
BEGIN
|
||||
RETURN SYS.VAL(Int16, int)
|
||||
END ToInt16;
|
||||
|
||||
PROCEDURE ToInt32*(int: LONGINT) : Int32;
|
||||
BEGIN
|
||||
RETURN int
|
||||
END ToInt32;
|
||||
|
||||
PROCEDURE ToReal32*(real: LONGREAL) : Real32;
|
||||
BEGIN
|
||||
RETURN SHORT(real)
|
||||
END ToReal32;
|
||||
|
||||
PROCEDURE ToReal64*(real: LONGREAL) : Real64;
|
||||
BEGIN
|
||||
RETURN real
|
||||
END ToReal64;
|
||||
|
||||
BEGIN
|
||||
msb := SYS.VAL(SET, MIN(SetInt));
|
||||
(* most significant bit, converted to a SET *)
|
||||
(* we expect msbIsMax XOR msbIs0 to be 1;
|
||||
this is checked for by an assertion
|
||||
*)
|
||||
msbIsMax := SYS.VAL(SHORTINT, (msb = {MAX(SET)}));
|
||||
(* is 1, if msb equals {MAX(SET)} *)
|
||||
msbIs0 := SYS.VAL(SHORTINT, (msb = {0}));
|
||||
(* is 0, if msb equals {0} *)
|
||||
msbindex := msbIsMax * MAX(SET);
|
||||
(* set element that corresponds to the most-significant-bit *)
|
||||
lsbindex := MAX(SET) - msbindex;
|
||||
(* set element that corresponds to the lowest-significant-bit *)
|
||||
nofbits := MAX(SET) + 1;
|
||||
(* number of elements in SETs *)
|
||||
|
||||
ASSERT((msbIs0 = 1) & (msbIsMax = 0) OR (msbIs0 = 0) & (msbIsMax = 1));
|
||||
END ulmTypes.
|
||||
|
|
@ -1,137 +0,0 @@
|
|||
MODULE ulmSYSTEM;
|
||||
IMPORT SYSTEM, Unix, Sys := ulmSys;
|
||||
|
||||
TYPE pchar = POINTER TO ARRAY 1 OF CHAR;
|
||||
pstring = POINTER TO ARRAY 1024 OF CHAR;
|
||||
pstatus = POINTER TO Unix.Status;
|
||||
|
||||
TYPE bytearray* = ARRAY SIZE(LONGINT) OF SYSTEM.BYTE; (* need this because voc does not convert implicitly LONGINT to ARRAY OF BYTE; -- noch *)
|
||||
pbytearray* = POINTER TO bytearray;
|
||||
TYPE longrealarray* = ARRAY SIZE(LONGREAL) OF SYSTEM.BYTE; (* need this because voc does not convert implicitly LONGINT to ARRAY OF BYTE; -- noch *)
|
||||
plongrealarray* = POINTER TO bytearray;
|
||||
|
||||
PROCEDURE LongToByteArr* ( l : LONGINT; VAR bar : bytearray); (* noch *)
|
||||
VAR b : SYSTEM.BYTE;
|
||||
p : pbytearray;
|
||||
i : LONGINT;
|
||||
BEGIN
|
||||
p := SYSTEM.VAL(pbytearray, SYSTEM.ADR(l));
|
||||
FOR i := 0 TO SIZE(LONGINT) -1 DO
|
||||
b := p^[i]; bar[i] := b;
|
||||
END
|
||||
END LongToByteArr;
|
||||
|
||||
PROCEDURE LRealToByteArr* ( l : LONGREAL; VAR lar : longrealarray); (* noch *)
|
||||
VAR b : SYSTEM.BYTE;
|
||||
p : plongrealarray;
|
||||
i : LONGINT;
|
||||
BEGIN
|
||||
p := SYSTEM.VAL(plongrealarray, SYSTEM.ADR(l));
|
||||
FOR i := 0 TO SIZE(LONGREAL) -1 DO
|
||||
b := p^[i]; lar[i] := b;
|
||||
END
|
||||
END LRealToByteArr;
|
||||
|
||||
|
||||
(*
|
||||
PROCEDURE -Write(adr, n: LONGINT): LONGINT
|
||||
"write(1/*stdout*/, adr, n)";
|
||||
|
||||
PROCEDURE -read(VAR ch: CHAR): LONGINT
|
||||
"read(0/*stdin*/, ch, 1)";
|
||||
*)
|
||||
|
||||
PROCEDURE TAS*(VAR flag:BOOLEAN): BOOLEAN; (* added for compatibility with ulmSYSTEM module; noch *)
|
||||
VAR oldflag : BOOLEAN;
|
||||
BEGIN
|
||||
oldflag := flag;
|
||||
flag := TRUE;
|
||||
RETURN oldflag;
|
||||
END TAS;
|
||||
|
||||
PROCEDURE UNIXCALL*(syscall: LONGINT; VAR d0, d1: LONGINT; (* in ulm version both LONGINT and INTEGER are 4 byte size *)
|
||||
arg1, arg2, arg3: LONGINT) : BOOLEAN;
|
||||
VAR
|
||||
n : LONGINT;
|
||||
ch : CHAR;
|
||||
pch : pchar;
|
||||
pstr : pstring;
|
||||
pst : pstatus;
|
||||
BEGIN
|
||||
|
||||
IF syscall = Sys.read THEN
|
||||
d0 := Unix.Read(arg1, arg2, arg3);
|
||||
IF d0 >= 0 THEN RETURN TRUE ELSE RETURN FALSE END
|
||||
(*NEW(pch);
|
||||
pch := SYSTEM.VAL(pchar, arg2);
|
||||
ch := pch^[0];
|
||||
n := read(ch);
|
||||
IF n # 1 THEN
|
||||
ch := 0X;
|
||||
RETURN FALSE
|
||||
ELSE
|
||||
pch^[0] := ch;
|
||||
RETURN TRUE
|
||||
END;
|
||||
*)
|
||||
ELSIF syscall = Sys.write THEN
|
||||
d0 := Unix.Write(arg1, arg2, arg3);
|
||||
IF d0 >= 0 THEN RETURN TRUE ELSE RETURN FALSE END
|
||||
(*NEW(pch);
|
||||
pch := SYSTEM.VAL(pchar, arg2);
|
||||
n := Write(SYSTEM.VAL(LONGINT, pch), 1);
|
||||
IF n # 1 THEN RETURN FALSE ELSE RETURN TRUE END
|
||||
*)
|
||||
ELSIF syscall = Sys.open THEN
|
||||
pstr := SYSTEM.VAL(pstring, arg1);
|
||||
d0 := Unix.Open(pstr^, SYSTEM.VAL(SET, arg3), SYSTEM.VAL(SET, arg2));
|
||||
IF d0 >= 0 THEN RETURN TRUE ELSE RETURN FALSE END
|
||||
ELSIF syscall = Sys.close THEN
|
||||
d0 := Unix.Close(arg1);
|
||||
IF d0 = 0 THEN RETURN TRUE ELSE RETURN FALSE END
|
||||
ELSIF syscall = Sys.lseek THEN
|
||||
d0 := Unix.Lseek(arg1, arg2, arg3);
|
||||
IF d0 >= 0 THEN RETURN TRUE ELSE RETURN FALSE END
|
||||
ELSIF syscall = Sys.ioctl THEN
|
||||
d0 := Unix.Ioctl(arg1, arg2, arg3);
|
||||
RETURN d0 >= 0;
|
||||
ELSIF syscall = Sys.fcntl THEN
|
||||
d0 := Unix.Fcntl (arg1, arg2, arg3);
|
||||
RETURN d0 >= 0;
|
||||
ELSIF syscall = Sys.dup THEN
|
||||
d0 := Unix.Dup(arg1);
|
||||
RETURN d0 > 0;
|
||||
ELSIF syscall = Sys.pipe THEN
|
||||
d0 := Unix.Pipe(arg1);
|
||||
RETURN d0 >= 0;
|
||||
ELSIF syscall = Sys.newstat THEN
|
||||
pst := SYSTEM.VAL(pstatus, arg2);
|
||||
pstr := SYSTEM.VAL(pstring, arg1);
|
||||
d0 := Unix.Stat(pstr^, pst^);
|
||||
RETURN d0 >= 0
|
||||
ELSIF syscall = Sys.newfstat THEN
|
||||
pst := SYSTEM.VAL(pstatus, arg2);
|
||||
d0 := Unix.Fstat(arg1, pst^);
|
||||
RETURN d0 >= 0;
|
||||
END
|
||||
|
||||
END UNIXCALL;
|
||||
|
||||
|
||||
PROCEDURE UNIXFORK(VAR pid: LONGINT) : BOOLEAN;
|
||||
BEGIN
|
||||
|
||||
END UNIXFORK;
|
||||
|
||||
PROCEDURE UNIXSIGNAL(signo: INTEGER; p: PROCEDURE;
|
||||
VAR old: PROCEDURE; VAR error: INTEGER) : BOOLEAN;
|
||||
BEGIN
|
||||
|
||||
END UNIXSIGNAL;
|
||||
|
||||
PROCEDURE WMOVE*(from, to, n : LONGINT);
|
||||
VAR l : LONGINT;
|
||||
BEGIN
|
||||
SYSTEM.MOVE(from, to, n);
|
||||
END WMOVE;
|
||||
END ulmSYSTEM.
|
||||
|
|
@ -1,574 +0,0 @@
|
|||
(* Ulm's Oberon Library
|
||||
Copyright (C) 1989-1994 by University of Ulm, SAI, D-89069 Ulm, Germany
|
||||
----------------------------------------------------------------------------
|
||||
Ulm's Oberon Library is free software; you can redistribute it
|
||||
and/or modify it under the terms of the GNU Library General Public
|
||||
License as published by the Free Software Foundation; either version
|
||||
2 of the License, or (at your option) any later version.
|
||||
|
||||
Ulm's Oberon Library is distributed in the hope that it will be
|
||||
useful, but WITHOUT ANY WARRANTY; without even the implied warranty
|
||||
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Library General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Library General Public
|
||||
License along with this library; if not, write to the Free Software
|
||||
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
----------------------------------------------------------------------------
|
||||
E-mail contact: oberon@mathematik.uni-ulm.de
|
||||
----------------------------------------------------------------------------
|
||||
$Id: SysConversi.om,v 1.2 1997/07/30 09:38:16 borchert Exp $
|
||||
----------------------------------------------------------------------------
|
||||
$Log: SysConversi.om,v $
|
||||
Revision 1.2 1997/07/30 09:38:16 borchert
|
||||
bug in ReadConv fixed: cv.flags was used but not set for
|
||||
counts > 1
|
||||
|
||||
Revision 1.1 1994/02/23 07:58:28 borchert
|
||||
Initial revision
|
||||
|
||||
----------------------------------------------------------------------------
|
||||
AFB 8/90
|
||||
adapted to linux cae 02/01
|
||||
----------------------------------------------------------------------------
|
||||
*)
|
||||
|
||||
MODULE ulmSysConversions;
|
||||
|
||||
(* convert Oberon records to/from C structures *)
|
||||
|
||||
IMPORT Events := ulmEvents, Objects := ulmObjects, Priorities := ulmPriorities, Streams := ulmStreams, Strings := ulmStrings,
|
||||
SYS := SYSTEM, SysTypes := ulmSysTypes, Texts := ulmTexts;
|
||||
|
||||
TYPE
|
||||
Address* = SysTypes.Address;
|
||||
Size* = Address;
|
||||
|
||||
(* format:
|
||||
|
||||
Format = Conversion { "/" Conversion } .
|
||||
Conversion = [ Factors ] ConvChars [ Comment ] .
|
||||
Factors = Array | Factor | Array Factor | Factor Array .
|
||||
Array = Integer ":" .
|
||||
Factor = Integer "*" .
|
||||
ConvChars = OberonType CType | Skip CType | OberonType Skip .
|
||||
OberonType = "a" | "b" | "c" | "s" | "i" | "l" | "S" .
|
||||
CType = "a" | "c" | "s" | "i" | "l" .
|
||||
Integer = Digit { Digit } .
|
||||
Digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" .
|
||||
Skip = "-" .
|
||||
Comment = "=" { AnyChar } .
|
||||
AnyChar = (* all characters except "/" *) .
|
||||
|
||||
Oberon data types:
|
||||
|
||||
a: Address
|
||||
b: SYS.BYTE
|
||||
B: BOOLEAN
|
||||
c: CHAR
|
||||
s: SHORTINT
|
||||
i: INTEGER
|
||||
l: LONGINT
|
||||
S: SET
|
||||
|
||||
C data types:
|
||||
|
||||
a: char *
|
||||
c: /* signed */ char
|
||||
C: unsigned char
|
||||
s: short int
|
||||
S: unsigned short int
|
||||
i: int
|
||||
I: unsigned int
|
||||
u: unsigned int
|
||||
l: long int
|
||||
L: unsigned long int
|
||||
|
||||
example:
|
||||
|
||||
conversion from
|
||||
|
||||
Rec =
|
||||
RECORD
|
||||
a, b: INTEGER;
|
||||
c: CHAR;
|
||||
s: SET;
|
||||
f: ARRAY 3 OF INTEGER;
|
||||
END;
|
||||
|
||||
to
|
||||
|
||||
struct rec {
|
||||
short a, b;
|
||||
char c;
|
||||
int xx; /* to be skipped on conversion */
|
||||
int s;
|
||||
int f[3];
|
||||
};
|
||||
|
||||
or vice versa:
|
||||
|
||||
"2*is=a,b/cc=c/-i=xx/Si=s/3:ii=f"
|
||||
|
||||
The comments allow to give the field names.
|
||||
*)
|
||||
|
||||
CONST
|
||||
(* conversion flags *)
|
||||
unsigned = 0; (* suppress sign extension *)
|
||||
boolean = 1; (* convert anything # 0 to 1 *)
|
||||
TYPE
|
||||
Flags = SET;
|
||||
Event* = POINTER TO EventRec;
|
||||
EventRec* =
|
||||
RECORD
|
||||
(Events.EventRec)
|
||||
format*: Events.Message;
|
||||
END;
|
||||
ConvStream = POINTER TO ConvStreamRec;
|
||||
ConvStreamRec =
|
||||
RECORD
|
||||
fmt: Texts.Text;
|
||||
char: CHAR;
|
||||
eof: BOOLEAN;
|
||||
(* 1: Oberon type
|
||||
2: C type
|
||||
*)
|
||||
type1, type2: CHAR; length: INTEGER; left: INTEGER;
|
||||
offset1, offset2: Address;
|
||||
size1, size2: Address; elementsleft: INTEGER; flags: Flags;
|
||||
END;
|
||||
|
||||
Format* = POINTER TO FormatRec;
|
||||
FormatRec* =
|
||||
RECORD
|
||||
(Objects.ObjectRec)
|
||||
offset1, offset2: Address;
|
||||
size1, size2: Address;
|
||||
flags: Flags;
|
||||
next: Format;
|
||||
END;
|
||||
VAR
|
||||
badformat*: Events.EventType;
|
||||
|
||||
PROCEDURE Error(cv: ConvStream; msg: ARRAY OF CHAR);
|
||||
VAR
|
||||
event: Event;
|
||||
BEGIN
|
||||
NEW(event);
|
||||
event.type := badformat;
|
||||
event.message := "SysConversions: ";
|
||||
Strings.Concatenate(event.message, msg);
|
||||
Strings.Read(event.format, cv.fmt);
|
||||
Events.Raise(event);
|
||||
cv.eof := TRUE;
|
||||
cv.char := 0X;
|
||||
cv.left := 0;
|
||||
cv.elementsleft := 0;
|
||||
END Error;
|
||||
|
||||
PROCEDURE SizeError(msg, format: ARRAY OF CHAR);
|
||||
VAR
|
||||
event: Event;
|
||||
BEGIN
|
||||
NEW(event);
|
||||
event.type := badformat;
|
||||
event.message := "SysConversions: ";
|
||||
Strings.Concatenate(event.message, msg);
|
||||
COPY(format, event.format);
|
||||
Events.Raise(event);
|
||||
END SizeError;
|
||||
|
||||
PROCEDURE NextCh(cv: ConvStream);
|
||||
BEGIN
|
||||
cv.eof := cv.eof OR ~Streams.ReadByte(cv.fmt, cv.char) OR (cv.char = 0X);
|
||||
IF cv.eof THEN
|
||||
cv.char := 0X;
|
||||
END;
|
||||
END NextCh;
|
||||
|
||||
PROCEDURE IsDigit(ch: CHAR) : BOOLEAN;
|
||||
BEGIN
|
||||
RETURN (ch >= "0") & (ch <= "9")
|
||||
END IsDigit;
|
||||
|
||||
PROCEDURE ReadInt(cv: ConvStream; VAR i: INTEGER);
|
||||
BEGIN
|
||||
i := 0;
|
||||
REPEAT
|
||||
i := 10 * i + ORD(cv.char) - ORD("0");
|
||||
NextCh(cv);
|
||||
UNTIL ~IsDigit(cv.char);
|
||||
END ReadInt;
|
||||
|
||||
PROCEDURE Open(VAR cv: ConvStream; format: ARRAY OF CHAR);
|
||||
BEGIN
|
||||
NEW(cv);
|
||||
Texts.Open(SYS.VAL(Streams.Stream, cv.fmt));
|
||||
Strings.Write(cv.fmt, format);
|
||||
cv.left := 0; cv.elementsleft := 0;
|
||||
cv.offset1 := 0; cv.offset2 := 0;
|
||||
cv.eof := FALSE;
|
||||
NextCh(cv);
|
||||
END Open;
|
||||
|
||||
PROCEDURE Close(VAR cv: ConvStream);
|
||||
BEGIN
|
||||
IF ~Streams.Close(cv.fmt) THEN END;
|
||||
END Close;
|
||||
|
||||
PROCEDURE ScanConv(cv: ConvStream;
|
||||
VAR type1, type2: CHAR;
|
||||
VAR length: INTEGER) : BOOLEAN;
|
||||
VAR
|
||||
i: INTEGER;
|
||||
factor: INTEGER;
|
||||
BEGIN
|
||||
IF cv.left > 0 THEN
|
||||
type1 := cv.type1;
|
||||
type2 := cv.type2;
|
||||
length := cv.length;
|
||||
DEC(cv.left);
|
||||
RETURN TRUE
|
||||
END;
|
||||
IF cv.char = "/" THEN
|
||||
NextCh(cv);
|
||||
END;
|
||||
IF cv.eof THEN
|
||||
RETURN FALSE
|
||||
END;
|
||||
factor := 0; length := 0;
|
||||
WHILE IsDigit(cv.char) DO
|
||||
ReadInt(cv, i);
|
||||
IF i <= 0 THEN
|
||||
Error(cv, "integer must be positive"); RETURN FALSE
|
||||
END;
|
||||
IF cv.char = ":" THEN
|
||||
IF length # 0 THEN
|
||||
Error(cv, "multiple length specification"); RETURN FALSE
|
||||
END;
|
||||
length := i;
|
||||
NextCh(cv);
|
||||
ELSIF cv.char = "*" THEN
|
||||
IF factor # 0 THEN
|
||||
Error(cv, "multiple factor specification"); RETURN FALSE
|
||||
END;
|
||||
factor := i; cv.left := factor - 1;
|
||||
NextCh(cv);
|
||||
ELSE
|
||||
Error(cv, "factor or length expected"); RETURN FALSE
|
||||
END;
|
||||
END;
|
||||
type1 := cv.char; NextCh(cv);
|
||||
type2 := cv.char; NextCh(cv);
|
||||
IF cv.left > 0 THEN
|
||||
cv.type1 := type1; cv.type2 := type2; cv.length := length;
|
||||
END;
|
||||
IF cv.char = "=" THEN (* comment *)
|
||||
REPEAT
|
||||
NextCh(cv);
|
||||
UNTIL cv.eof OR (cv.char = "/");
|
||||
END;
|
||||
RETURN TRUE
|
||||
END ScanConv;
|
||||
|
||||
PROCEDURE Align(VAR offset: Address; boundary: Address);
|
||||
BEGIN
|
||||
IF SYS.VAL (INTEGER, offset) MOD SYS.VAL (INTEGER, boundary) # 0 THEN
|
||||
offset := SYS.VAL (INTEGER, offset) + (SYS.VAL (INTEGER, boundary) - SYS.VAL (INTEGER, offset) MOD SYS.VAL (INTEGER, boundary));
|
||||
END;
|
||||
END Align;
|
||||
|
||||
PROCEDURE ReadConv(cv: ConvStream;
|
||||
VAR offset1, offset2: Address;
|
||||
VAR size1, size2: Address;
|
||||
VAR flags: Flags) : BOOLEAN;
|
||||
VAR
|
||||
type1, type2: CHAR;
|
||||
length: INTEGER;
|
||||
align: BOOLEAN;
|
||||
boundary: INTEGER;
|
||||
BEGIN
|
||||
IF cv.elementsleft > 0 THEN
|
||||
DEC(cv.elementsleft);
|
||||
|
||||
(* Oberon type *)
|
||||
IF size1 > SIZE(SYS.BYTE) THEN
|
||||
Align(cv.offset1, SIZE(INTEGER));
|
||||
END;
|
||||
offset1 := cv.offset1; cv.offset1 := SYS.VAL (INTEGER, cv.offset1) + size1;
|
||||
size1 := cv.size1; size2 := cv.size2; flags := cv.flags;
|
||||
IF (size1 > 0) & (cv.elementsleft = 0) THEN
|
||||
Align(cv.offset1, SIZE(INTEGER));
|
||||
END;
|
||||
|
||||
(* C type *)
|
||||
IF size2 > 1 THEN
|
||||
Align(cv.offset2, 2);
|
||||
END;
|
||||
offset2 := cv.offset2; cv.offset2 := SYS.VAL (INTEGER, cv.offset2) + SYS.VAL (INTEGER, size2);
|
||||
|
||||
RETURN TRUE
|
||||
END;
|
||||
IF ScanConv(cv, type1, type2, length) THEN
|
||||
flags := {};
|
||||
(* Oberon type *)
|
||||
CASE type1 OF
|
||||
| "a": size1 := SIZE(Address); INCL(flags, unsigned);
|
||||
| "b": size1 := SIZE(SYS.BYTE); INCL(flags, unsigned);
|
||||
| "B": size1 := SIZE(BOOLEAN); INCL(flags, boolean);
|
||||
| "c": size1 := SIZE(CHAR); INCL(flags, unsigned);
|
||||
| "s": size1 := SIZE(SHORTINT);
|
||||
| "i": size1 := SIZE(INTEGER);
|
||||
| "l": size1 := SIZE(LONGINT);
|
||||
| "S": size1 := SIZE(SET); INCL(flags, unsigned);
|
||||
| "-": size1 := 0;
|
||||
ELSE Error(cv, "bad Oberon type specifier"); RETURN FALSE
|
||||
END;
|
||||
IF size1 > 0 THEN
|
||||
IF length > 0 THEN
|
||||
Align(cv.offset1, SIZE(INTEGER));
|
||||
ELSIF size1 > SIZE(SYS.BYTE) THEN
|
||||
Align(cv.offset1, SIZE(INTEGER));
|
||||
END;
|
||||
END;
|
||||
offset1 := cv.offset1; cv.offset1 := SYS.VAL (INTEGER, cv.offset1) + size1;
|
||||
|
||||
(* C type *)
|
||||
CASE type2 OF
|
||||
| "a": size2 := 4; INCL(flags, unsigned); (* char* *)
|
||||
| "c": size2 := 1; (* /* signed */ char *)
|
||||
| "C": size2 := 1; INCL(flags, unsigned); (* unsigned char *)
|
||||
| "s": size2 := 2; (* short int *)
|
||||
| "S": size2 := 2; INCL(flags, unsigned); (* unsigned short int *)
|
||||
| "i": size2 := 4; (* int *)
|
||||
| "I": size2 := 4; INCL(flags, unsigned); (* unsigned int *)
|
||||
| "u": size2 := 4; INCL(flags, unsigned); (* unsigned int *)
|
||||
| "l": size2 := 4; (* long int *)
|
||||
| "L": size2 := 4; INCL(flags, unsigned); (* long int *)
|
||||
| "-": size2 := 0;
|
||||
ELSE Error(cv, "bad C type specifier"); RETURN FALSE
|
||||
END;
|
||||
IF size2 > 1 THEN
|
||||
Align(cv.offset2, size2);
|
||||
END;
|
||||
offset2 := cv.offset2; cv.offset2 := SYS.VAL (INTEGER, cv.offset2) + SYS.VAL (INTEGER, size2);
|
||||
|
||||
cv.size1 := size1; cv.size2 := size2;
|
||||
IF length > 0 THEN
|
||||
cv.elementsleft := length - 1;
|
||||
cv.flags := flags;
|
||||
END;
|
||||
RETURN TRUE
|
||||
ELSE
|
||||
RETURN FALSE
|
||||
END;
|
||||
END ReadConv;
|
||||
|
||||
PROCEDURE Convert(from, to: Address; ssize, dsize: Address; flags: Flags);
|
||||
TYPE
|
||||
Bytes = ARRAY 8 OF CHAR;
|
||||
Pointer = POINTER TO Bytes;
|
||||
VAR
|
||||
dest, source: Pointer;
|
||||
dindex, sindex: INTEGER;
|
||||
nonzero: BOOLEAN;
|
||||
fill : CHAR;
|
||||
BEGIN
|
||||
IF ssize > 0 THEN
|
||||
dest := SYS.VAL(Pointer, to);
|
||||
source := SYS.VAL(Pointer, from);
|
||||
dindex := 0; sindex := 0;
|
||||
IF boolean IN flags THEN
|
||||
nonzero := FALSE;
|
||||
WHILE ssize > 0 DO
|
||||
nonzero := nonzero OR (source[sindex] # 0X);
|
||||
INC(sindex); ssize := SYS.VAL (INTEGER, ssize) - 1;
|
||||
END;
|
||||
IF dsize > 0 THEN
|
||||
IF nonzero THEN
|
||||
dest[dindex] := 1X;
|
||||
ELSE
|
||||
dest[dindex] := 0X;
|
||||
END;
|
||||
dsize := dsize - 1; INC (dindex);
|
||||
END;
|
||||
WHILE dsize > 0 DO
|
||||
dest[dindex] := 0X;
|
||||
dsize := SYS.VAL (INTEGER, dsize) - 1; INC(dindex);
|
||||
END;
|
||||
ELSE
|
||||
WHILE (dsize > 0) & (ssize > 0) DO
|
||||
dest[dindex] := source[sindex];
|
||||
ssize := SYS.VAL (INTEGER, ssize) - 1;
|
||||
dsize := dsize - 1;
|
||||
INC(dindex); INC(sindex);
|
||||
END;
|
||||
IF dsize > 0 THEN
|
||||
(* sindex has been incremented at least once because
|
||||
* ssize and dsize were greater than 0, i.e. sindex-1
|
||||
* is a valid inex. *)
|
||||
fill := 0X;
|
||||
IF ~(unsigned IN flags) & (source[sindex-1] >= 080X) THEN
|
||||
fill := 0FFX;
|
||||
END;
|
||||
END;
|
||||
WHILE dsize > 0 DO
|
||||
dest[dindex] := fill;
|
||||
dsize := SYS.VAL (INTEGER, dsize) - 1; INC(dindex);
|
||||
END;
|
||||
END;
|
||||
END;
|
||||
END Convert;
|
||||
|
||||
PROCEDURE ByAddrToC*(from, to: Address; format: ARRAY OF CHAR);
|
||||
VAR
|
||||
cv: ConvStream;
|
||||
offset1, offset2, size1, size2: Address;
|
||||
flags: Flags;
|
||||
BEGIN
|
||||
Open(cv, format);
|
||||
WHILE ReadConv(cv, offset1, offset2, size1, size2, flags) DO
|
||||
Convert(from + offset1, to + offset2, size1, size2, flags);
|
||||
END;
|
||||
Close(cv);
|
||||
END ByAddrToC;
|
||||
|
||||
PROCEDURE ByAddrFromC*(from, to: Address; format: ARRAY OF CHAR);
|
||||
VAR
|
||||
cv: ConvStream;
|
||||
offset1, offset2, size1, size2: Address;
|
||||
flags: Flags;
|
||||
BEGIN
|
||||
Open(cv, format);
|
||||
WHILE ReadConv(cv, offset1, offset2, size1, size2, flags) DO
|
||||
Convert(from + offset2, to + offset1, size2, size1, flags);
|
||||
END;
|
||||
Close(cv);
|
||||
END ByAddrFromC;
|
||||
|
||||
PROCEDURE CSize*(format: ARRAY OF CHAR) : Size;
|
||||
(* returns the size of the C-structure described by `format' *)
|
||||
VAR
|
||||
cv: ConvStream;
|
||||
offset1, offset2, size1, size2: Address;
|
||||
size: Address;
|
||||
flags: Flags;
|
||||
BEGIN
|
||||
Open(cv, format);
|
||||
WHILE ReadConv(cv, offset1, offset2, size1, size2, flags) DO END;
|
||||
Close(cv);
|
||||
size := offset2 + size2;
|
||||
Align(size, 2);
|
||||
RETURN size
|
||||
END CSize;
|
||||
|
||||
PROCEDURE OberonSize*(format: ARRAY OF CHAR) : Size;
|
||||
(* returns the size of the Oberon-structure described by `format' *)
|
||||
VAR
|
||||
cv: ConvStream;
|
||||
offset1, offset2, size1, size2: Address;
|
||||
size: Address;
|
||||
flags: Flags;
|
||||
BEGIN
|
||||
Open(cv, format);
|
||||
WHILE ReadConv(cv, offset1, offset2, size1, size2, flags) DO END;
|
||||
Close(cv);
|
||||
size := offset1 + size1;
|
||||
Align(size, SIZE(INTEGER));
|
||||
RETURN size
|
||||
END OberonSize;
|
||||
|
||||
PROCEDURE ToC*(VAR from, to: ARRAY OF SYS.BYTE; format: ARRAY OF CHAR);
|
||||
BEGIN
|
||||
IF OberonSize(format) > LEN(from) THEN
|
||||
SizeError("Oberon record is too small", format); RETURN
|
||||
END;
|
||||
IF CSize(format) > LEN(to) THEN
|
||||
SizeError("C structure is too small", format); RETURN
|
||||
END;
|
||||
ByAddrToC(SYS.ADR(from), SYS.ADR(to), format);
|
||||
END ToC;
|
||||
|
||||
PROCEDURE FromC*(VAR from, to: ARRAY OF SYS.BYTE; format: ARRAY OF CHAR);
|
||||
BEGIN
|
||||
IF OberonSize(format) > LEN(to) THEN
|
||||
SizeError("Oberon record is too small", format); RETURN
|
||||
END;
|
||||
IF CSize(format) > LEN(from) THEN
|
||||
SizeError("C structure is too small", format); RETURN
|
||||
END;
|
||||
ByAddrFromC(SYS.ADR(from), SYS.ADR(to), format);
|
||||
END FromC;
|
||||
|
||||
PROCEDURE Compile*(VAR fmt: Format; format: ARRAY OF CHAR);
|
||||
(* translate format into an internal representation
|
||||
which is later referenced by fmt;
|
||||
ByFmtToC and ByFmtFromC are faster than ToC and FromC
|
||||
*)
|
||||
VAR
|
||||
cv: ConvStream;
|
||||
offset1, offset2, size1, size2: Address;
|
||||
flags: Flags;
|
||||
element: Format;
|
||||
head, tail: Format;
|
||||
BEGIN
|
||||
Open(cv, format);
|
||||
head := NIL; tail := NIL;
|
||||
WHILE ReadConv(cv, offset1, offset2, size1, size2, flags) DO
|
||||
NEW(element);
|
||||
element.offset1 := offset1;
|
||||
element.offset2 := offset2;
|
||||
element.size1 := size1;
|
||||
element.size2 := size2;
|
||||
element.flags := flags;
|
||||
element.next := NIL;
|
||||
IF tail # NIL THEN
|
||||
tail.next := element;
|
||||
ELSE
|
||||
head := element;
|
||||
END;
|
||||
tail := element;
|
||||
END;
|
||||
fmt := head;
|
||||
Close(cv);
|
||||
END Compile;
|
||||
|
||||
PROCEDURE ByFmtAndAddrToC*(from, to: Address; format: Format);
|
||||
VAR
|
||||
offset1, offset2, size1, size2: Address;
|
||||
flags: Flags;
|
||||
BEGIN
|
||||
WHILE format # NIL DO
|
||||
Convert(from + format.offset1, to + format.offset2,
|
||||
format.size1, format.size2, format.flags);
|
||||
format := format.next;
|
||||
END;
|
||||
END ByFmtAndAddrToC;
|
||||
|
||||
PROCEDURE ByFmtAndAddrFromC*(from, to: Address; format: Format);
|
||||
VAR
|
||||
offset1, offset2, size1, size2: Address;
|
||||
flags: Flags;
|
||||
BEGIN
|
||||
WHILE format # NIL DO
|
||||
Convert(from + format.offset2, to + format.offset1,
|
||||
format.size2, format.size1, format.flags);
|
||||
format := format.next;
|
||||
END;
|
||||
END ByFmtAndAddrFromC;
|
||||
|
||||
PROCEDURE ByFmtToC*(VAR from, to: ARRAY OF SYS.BYTE; format: Format);
|
||||
BEGIN
|
||||
ByFmtAndAddrToC(SYS.ADR(from), SYS.ADR(to), format);
|
||||
END ByFmtToC;
|
||||
|
||||
PROCEDURE ByFmtFromC*(VAR from, to: ARRAY OF SYS.BYTE; format: Format);
|
||||
BEGIN
|
||||
ByFmtAndAddrFromC(SYS.ADR(from), SYS.ADR(to), format);
|
||||
END ByFmtFromC;
|
||||
|
||||
BEGIN
|
||||
Events.Define(badformat);
|
||||
Events.SetPriority(badformat, Priorities.liberrors);
|
||||
END ulmSysConversions.
|
||||
|
|
@ -1,201 +0,0 @@
|
|||
(* Ulm's Oberon Library
|
||||
Copyright (C) 1989-1994 by University of Ulm, SAI, D-89069 Ulm, Germany
|
||||
----------------------------------------------------------------------------
|
||||
Ulm's Oberon Library is free software; you can redistribute it
|
||||
and/or modify it under the terms of the GNU Library General Public
|
||||
License as published by the Free Software Foundation; either version
|
||||
2 of the License, or (at your option) any later version.
|
||||
|
||||
Ulm's Oberon Library is distributed in the hope that it will be
|
||||
useful, but WITHOUT ANY WARRANTY; without even the implied warranty
|
||||
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Library General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Library General Public
|
||||
License along with this library; if not, write to the Free Software
|
||||
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
----------------------------------------------------------------------------
|
||||
E-mail contact: oberon@mathematik.uni-ulm.de
|
||||
----------------------------------------------------------------------------
|
||||
$Id: SysStat.om,v 1.3 2000/11/12 13:02:09 borchert Exp $
|
||||
----------------------------------------------------------------------------
|
||||
$Log: SysStat.om,v $
|
||||
Revision 1.3 2000/11/12 13:02:09 borchert
|
||||
door file type added
|
||||
|
||||
Revision 1.2 2000/11/12 12:48:07 borchert
|
||||
- conversion adapted to Solaris 2.x
|
||||
- Lstat added
|
||||
|
||||
Revision 1.1 1994/02/23 08:00:48 borchert
|
||||
Initial revision
|
||||
|
||||
----------------------------------------------------------------------------
|
||||
AFB 9/89
|
||||
----------------------------------------------------------------------------
|
||||
*)
|
||||
|
||||
MODULE ulmSysStat;
|
||||
|
||||
(* examine inode: stat(2) and fstat(2) *)
|
||||
|
||||
IMPORT RelatedEvents := ulmRelatedEvents, Sys := ulmSys, SYS := SYSTEM, uSYS := ulmSYSTEM, SysConversions := ulmSysConversions, SysErrors := ulmSysErrors,
|
||||
SysTypes := ulmSysTypes;
|
||||
|
||||
CONST
|
||||
(* file mode:
|
||||
bit 0 = 1<<0 bit 31 = 1<<31
|
||||
|
||||
user group other
|
||||
3 1 1111 11
|
||||
1 ... 6 5432 109 876 543 210
|
||||
+--------+------+-----+-----+-----+-----+
|
||||
| unused | type | sst | rwx | rwx | rwx |
|
||||
+--------+------+-----+-----+-----+-----+
|
||||
*)
|
||||
|
||||
type* = {12..15};
|
||||
prot* = {0..8};
|
||||
|
||||
(* file types; example: (stat.mode * type = dir) *)
|
||||
reg* = {15}; (* regular *)
|
||||
dir* = {14}; (* directory *)
|
||||
chr* = {13}; (* character special *)
|
||||
fifo* = {12}; (* fifo *)
|
||||
blk* = {13..14}; (* block special *)
|
||||
symlink* = {13, 15}; (* symbolic link *)
|
||||
socket* = {14, 15}; (* socket *)
|
||||
|
||||
(* special *)
|
||||
setuid* = 11; (* set user id on execution *)
|
||||
setgid* = 10; (* set group id on execution *)
|
||||
savetext* = 9; (* save swapped text even after use *)
|
||||
|
||||
(* protection *)
|
||||
uread* = 8; (* read permission owner *)
|
||||
uwrite* = 7; (* write permission owner *)
|
||||
uexec* = 6; (* execute/search permission owner *)
|
||||
gread* = 5; (* read permission group *)
|
||||
gwrite* = 4; (* write permission group *)
|
||||
gexec* = 3; (* execute/search permission group *)
|
||||
oread* = 2; (* read permission other *)
|
||||
owrite* = 1; (* write permission other *)
|
||||
oexec* = 0; (* execute/search permission other *)
|
||||
|
||||
(* example for "r-xr-x---": (read + exec) * (owner + group) *)
|
||||
owner* = {uread, uwrite, uexec};
|
||||
group* = {gread, gwrite, gexec};
|
||||
other* = {oread, owrite, oexec};
|
||||
read* = {uread, gread, oread};
|
||||
write* = {uwrite, gwrite, owrite};
|
||||
exec* = {uexec, gexec, oexec};
|
||||
rwx* = prot;
|
||||
|
||||
TYPE
|
||||
StatRec* = (* result of stat(2) and fstat(2) *)
|
||||
RECORD
|
||||
device*: SysTypes.Device; (* ID of device containing
|
||||
a directory entry for this file *)
|
||||
inode*: SysTypes.Inode; (* inode number *)
|
||||
mode*: SET; (* file mode; see mknod(2) *)
|
||||
nlinks*: LONGINT; (* number of links *)
|
||||
uid*: LONGINT; (* user id of the file's owner *)
|
||||
gid*: LONGINT; (* group id of the file's group *)
|
||||
rdev*: SysTypes.Device; (* ID of device
|
||||
this entry is defined only for
|
||||
character special or block
|
||||
special files
|
||||
*)
|
||||
size*: SysTypes.Offset; (* file size in bytes *)
|
||||
blksize*: LONGINT; (* preferred blocksize *)
|
||||
blocks*: LONGINT; (* # of blocks allocated *)
|
||||
atime*: SysTypes.Time; (* time of last access *)
|
||||
mtime*: SysTypes.Time; (* time of last data modification *)
|
||||
ctime*: SysTypes.Time; (* time of last file status change *)
|
||||
END;
|
||||
|
||||
(* Linux kernel struct stat (2.2.17)
|
||||
struct stat {
|
||||
unsigned short st_dev;
|
||||
unsigned short __pad1;
|
||||
unsigned long st_ino;
|
||||
unsigned short st_mode;
|
||||
unsigned short st_nlink;
|
||||
unsigned short st_uid;
|
||||
unsigned short st_gid;
|
||||
unsigned short st_rdev;
|
||||
unsigned short __pad2;
|
||||
unsigned long st_size;
|
||||
unsigned long st_blksize;
|
||||
unsigned long st_blocks;
|
||||
unsigned long st_atime;
|
||||
unsigned long __unused1;
|
||||
unsigned long st_mtime;
|
||||
unsigned long __unused2;
|
||||
unsigned long st_ctime;
|
||||
unsigned long __unused3;
|
||||
unsigned long __unused4;
|
||||
unsigned long __unused5;
|
||||
};
|
||||
*)
|
||||
|
||||
CONST
|
||||
statbufsize = 88(*64*); (* see <sys/stat.h> *) (* sizeof struct stat gives us 144 on x86_64 and 88 on x86 *)
|
||||
TYPE
|
||||
UnixStatRec = ARRAY statbufsize OF SYS.BYTE;
|
||||
CONST
|
||||
statbufconv =
|
||||
(*"is=dev/-s=pad1/ll=ino/Ss=mode/4*is=nlink+uid+gid+rdev/-s=pad2/ll=size/2*ll=blksize,blocks/il=atime/-l/il=mtime/-l/il=ctime/3*-l";*)
|
||||
(*"ls=dev/-s=pad1/lL=ino/Ss=mode/4*is=nlink+uid+gid+rdev/-s=pad2/lL=size/2*lL=blksize,blocks/lL=atime/-l/lL=mtime/-l/lL=ctime/3*-l";*)
|
||||
"ll=dev/-l=devx/-s=pad1/ll=ino/Sl=mode/ll=nlink/ll=uid/ll=gid/ll=rdev/-l=rdevx/-s=pad2/ll=size/2*ll=blksize,blocks/lL=atime/-l/lL=mtime/-l/lL=ctime/3*-l";
|
||||
VAR
|
||||
statbuffmt: SysConversions.Format;
|
||||
|
||||
PROCEDURE Stat*(path: ARRAY OF CHAR; VAR buf: StatRec;
|
||||
errors: RelatedEvents.Object) : BOOLEAN;
|
||||
VAR
|
||||
d0, d1, d2: LONGINT;
|
||||
origbuf: UnixStatRec;
|
||||
BEGIN
|
||||
IF uSYS.UNIXCALL(Sys.newstat, d0, d1, SYS.ADR(path), SYS.ADR(origbuf), d2) THEN
|
||||
SysConversions.ByFmtFromC(origbuf, buf, statbuffmt);
|
||||
RETURN TRUE
|
||||
ELSE
|
||||
SysErrors.Raise(errors, d0, Sys.newstat, path);
|
||||
RETURN FALSE
|
||||
END;
|
||||
END Stat;
|
||||
(*
|
||||
PROCEDURE Lstat*(path: ARRAY OF CHAR; VAR buf: StatRec;
|
||||
errors: RelatedEvents.Object) : BOOLEAN;
|
||||
VAR
|
||||
d0, d1: INTEGER;
|
||||
origbuf: UnixStatRec;
|
||||
BEGIN
|
||||
IF SYS.UNIXCALL(Sys.newlstat, d0, d1, SYS.ADR(path), SYS.ADR(origbuf)) THEN
|
||||
SysConversions.ByFmtFromC(origbuf, buf, statbuffmt);
|
||||
RETURN TRUE
|
||||
ELSE
|
||||
SysErrors.Raise(errors, d0, Sys.newlstat, path);
|
||||
RETURN FALSE
|
||||
END;
|
||||
END Lstat;
|
||||
*)
|
||||
PROCEDURE Fstat*(fd: SysTypes.File; VAR buf: StatRec;
|
||||
errors: RelatedEvents.Object) : BOOLEAN;
|
||||
VAR
|
||||
d0, d1, d2: LONGINT;
|
||||
origbuf: UnixStatRec;
|
||||
BEGIN
|
||||
IF uSYS.UNIXCALL(Sys.newfstat, d0, d1, fd, SYS.ADR(origbuf), d2) THEN
|
||||
SysConversions.ByFmtFromC(origbuf, buf, statbuffmt);
|
||||
RETURN TRUE
|
||||
ELSE
|
||||
SysErrors.Raise(errors, d0, Sys.newfstat, "");
|
||||
RETURN FALSE
|
||||
END;
|
||||
END Fstat;
|
||||
|
||||
BEGIN
|
||||
SysConversions.Compile(statbuffmt, statbufconv);
|
||||
END ulmSysStat.
|
||||
|
|
@ -1,70 +0,0 @@
|
|||
(* Ulm's Oberon Library
|
||||
Copyright (C) 1989-1994 by University of Ulm, SAI, D-89069 Ulm, Germany
|
||||
----------------------------------------------------------------------------
|
||||
Ulm's Oberon Library is free software; you can redistribute it
|
||||
and/or modify it under the terms of the GNU Library General Public
|
||||
License as published by the Free Software Foundation; either version
|
||||
2 of the License, or (at your option) any later version.
|
||||
|
||||
Ulm's Oberon Library is distributed in the hope that it will be
|
||||
useful, but WITHOUT ANY WARRANTY; without even the implied warranty
|
||||
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Library General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Library General Public
|
||||
License along with this library; if not, write to the Free Software
|
||||
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
----------------------------------------------------------------------------
|
||||
E-mail contact: oberon@mathematik.uni-ulm.de
|
||||
----------------------------------------------------------------------------
|
||||
$Id: SysTypes.om,v 1.1 1994/02/23 08:01:38 borchert Exp $
|
||||
----------------------------------------------------------------------------
|
||||
$Log: SysTypes.om,v $
|
||||
Revision 1.1 1994/02/23 08:01:38 borchert
|
||||
Initial revision
|
||||
|
||||
----------------------------------------------------------------------------
|
||||
AFB 9/89
|
||||
----------------------------------------------------------------------------
|
||||
*)
|
||||
|
||||
MODULE ulmSysTypes;
|
||||
|
||||
IMPORT Types := ulmTypes;
|
||||
|
||||
TYPE
|
||||
Address* = Types.Address;
|
||||
UntracedAddress* = Types.UntracedAddress;
|
||||
Count* = Types.Count;
|
||||
Size* = Types.Size;
|
||||
Byte* = Types.Byte;
|
||||
|
||||
File* = (*INTEGER*)LONGINT; (* in ulm's system both INTEGER and LONGINT are 4 bytes long *)
|
||||
Offset* = LONGINT;
|
||||
Device* = LONGINT;
|
||||
Inode* = LONGINT;
|
||||
Time* = LONGINT;
|
||||
|
||||
Word* = INTEGER; (* must have the size of C's int-type *)
|
||||
|
||||
(* Note: linux supports wait4 but not waitid, i.e. these
|
||||
* constants aren't needed. *)
|
||||
(*
|
||||
CONST
|
||||
(* possible values of the idtype parameter (4 bytes),
|
||||
see <sys/procset.h>
|
||||
*)
|
||||
idPid = 0; (* a process identifier *)
|
||||
idPpid = 1; (* a parent process identifier *)
|
||||
idPgid = 2; (* a process group (job control group) identifier *)
|
||||
idSid = 3; (* a session identifier *)
|
||||
idCid = 4; (* a scheduling class identifier *)
|
||||
idUid = 5; (* a user identifier *)
|
||||
idGid = 6; (* a group identifier *)
|
||||
idAll = 7; (* all processes *)
|
||||
idLwpid = 8; (* an LWP identifier *)
|
||||
TYPE
|
||||
IdType = INTEGER; (* idPid .. idLwpid *)
|
||||
*)
|
||||
|
||||
END ulmSysTypes.
|
||||
|
|
@ -1,133 +0,0 @@
|
|||
(* Ulm's Oberon Library
|
||||
Copyright (C) 1989-2000 by University of Ulm, SAI, D-89069 Ulm, Germany
|
||||
----------------------------------------------------------------------------
|
||||
Ulm's Oberon Library is free software; you can redistribute it
|
||||
and/or modify it under the terms of the GNU Library General Public
|
||||
License as published by the Free Software Foundation; either version
|
||||
2 of the License, or (at your option) any later version.
|
||||
|
||||
Ulm's Oberon Library is distributed in the hope that it will be
|
||||
useful, but WITHOUT ANY WARRANTY; without even the implied warranty
|
||||
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Library General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Library General Public
|
||||
License along with this library; if not, write to the Free Software
|
||||
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
----------------------------------------------------------------------------
|
||||
E-mail contact: oberon@mathematik.uni-ulm.de
|
||||
----------------------------------------------------------------------------
|
||||
$Id: Types.om,v 1.5 2000/12/13 10:03:00 borchert Exp $
|
||||
----------------------------------------------------------------------------
|
||||
$Log: Types.om,v $
|
||||
Revision 1.5 2000/12/13 10:03:00 borchert
|
||||
SetInt type used in msb constant
|
||||
|
||||
Revision 1.4 2000/12/13 09:51:57 borchert
|
||||
constants and types for the relationship of INTEGER and SET added
|
||||
|
||||
Revision 1.3 1998/09/25 15:23:09 borchert
|
||||
Real32..Real128 added
|
||||
|
||||
Revision 1.2 1994/07/01 11:08:04 borchert
|
||||
IntAddress, Int8/16/32, ToInt8/16/32 and bit/little endian stuff added
|
||||
|
||||
Revision 1.1 1994/02/22 20:12:14 borchert
|
||||
Initial revision
|
||||
|
||||
----------------------------------------------------------------------------
|
||||
AFB 9/93
|
||||
----------------------------------------------------------------------------
|
||||
*)
|
||||
|
||||
MODULE ulmTypes;
|
||||
|
||||
(* compiler-dependent type definitions;
|
||||
this version works for Ulm's Oberon Compilers on
|
||||
following architectures: m68k and sparc
|
||||
*)
|
||||
|
||||
IMPORT SYS := SYSTEM;
|
||||
|
||||
TYPE
|
||||
Address* = LONGINT (*SYS.ADDRESS*);
|
||||
(* ulm compiler can accept
|
||||
VAR p : SYSTEM.ADDRESS; // SYSTEM.PTR in ETH and V4 versions
|
||||
...
|
||||
p := SYSTEM.ADR(something);
|
||||
and this is how it is used in ulm oberon system library,
|
||||
while SYSTEM.ADR returns LONGINT in ETH and V4 versions.
|
||||
Thus I leave it as LONGINT for now, before coming up with better solution -- noch *)
|
||||
UntracedAddress* = POINTER[1] TO UntracedAddressDesc; (*SYS.UNTRACEDADDRESS;*)
|
||||
UntracedAddressDesc* = RECORD[1] END;
|
||||
Count* = LONGINT;
|
||||
Size* = Count;
|
||||
Byte* = SYS.BYTE;
|
||||
IntAddress* = LONGINT;
|
||||
Int8* = SHORTINT;
|
||||
Int16* = INTEGER;
|
||||
Int32* = LONGINT;
|
||||
Real32* = REAL;
|
||||
Real64* = LONGREAL;
|
||||
|
||||
CONST
|
||||
bigEndian* = 0; (* SPARC, M68K etc *)
|
||||
littleEndian* = 1; (* Intel 80x86, VAX etc *)
|
||||
byteorder* = littleEndian; (* machine-dependent constant *)
|
||||
TYPE
|
||||
ByteOrder* = SHORTINT; (* bigEndian or littleEndian *)
|
||||
|
||||
(* following constants and type definitions try to make
|
||||
conversions from INTEGER to SET and vice versa more portable
|
||||
to allow for bit operations on INTEGER values
|
||||
*)
|
||||
TYPE
|
||||
SetInt* = LONGINT; (* INTEGER type that corresponds to SET *)
|
||||
VAR msb* : SET;
|
||||
msbIsMax*, msbIs0*: SHORTINT;
|
||||
msbindex*, lsbindex*, nofbits*: LONGINT;
|
||||
|
||||
PROCEDURE ToInt8*(int: LONGINT) : Int8;
|
||||
BEGIN
|
||||
RETURN SHORT(SHORT(int))
|
||||
END ToInt8;
|
||||
|
||||
PROCEDURE ToInt16*(int: LONGINT) : Int16;
|
||||
BEGIN
|
||||
RETURN SYS.VAL(Int16, int)
|
||||
END ToInt16;
|
||||
|
||||
PROCEDURE ToInt32*(int: LONGINT) : Int32;
|
||||
BEGIN
|
||||
RETURN int
|
||||
END ToInt32;
|
||||
|
||||
PROCEDURE ToReal32*(real: LONGREAL) : Real32;
|
||||
BEGIN
|
||||
RETURN SHORT(real)
|
||||
END ToReal32;
|
||||
|
||||
PROCEDURE ToReal64*(real: LONGREAL) : Real64;
|
||||
BEGIN
|
||||
RETURN real
|
||||
END ToReal64;
|
||||
|
||||
BEGIN
|
||||
msb := SYS.VAL(SET, MIN(SetInt));
|
||||
(* most significant bit, converted to a SET *)
|
||||
(* we expect msbIsMax XOR msbIs0 to be 1;
|
||||
this is checked for by an assertion
|
||||
*)
|
||||
msbIsMax := SYS.VAL(SHORTINT, (msb = {MAX(SET)}));
|
||||
(* is 1, if msb equals {MAX(SET)} *)
|
||||
msbIs0 := SYS.VAL(SHORTINT, (msb = {0}));
|
||||
(* is 0, if msb equals {0} *)
|
||||
msbindex := msbIsMax * MAX(SET);
|
||||
(* set element that corresponds to the most-significant-bit *)
|
||||
lsbindex := MAX(SET) - msbindex;
|
||||
(* set element that corresponds to the lowest-significant-bit *)
|
||||
nofbits := MAX(SET) + 1;
|
||||
(* number of elements in SETs *)
|
||||
|
||||
ASSERT((msbIs0 = 1) & (msbIsMax = 0) OR (msbIs0 = 0) & (msbIsMax = 1));
|
||||
END ulmTypes.
|
||||
|
|
@ -1,70 +0,0 @@
|
|||
(* Ulm's Oberon Library
|
||||
Copyright (C) 1989-1994 by University of Ulm, SAI, D-89069 Ulm, Germany
|
||||
----------------------------------------------------------------------------
|
||||
Ulm's Oberon Library is free software; you can redistribute it
|
||||
and/or modify it under the terms of the GNU Library General Public
|
||||
License as published by the Free Software Foundation; either version
|
||||
2 of the License, or (at your option) any later version.
|
||||
|
||||
Ulm's Oberon Library is distributed in the hope that it will be
|
||||
useful, but WITHOUT ANY WARRANTY; without even the implied warranty
|
||||
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Library General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Library General Public
|
||||
License along with this library; if not, write to the Free Software
|
||||
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
----------------------------------------------------------------------------
|
||||
E-mail contact: oberon@mathematik.uni-ulm.de
|
||||
----------------------------------------------------------------------------
|
||||
$Id: SysTypes.om,v 1.1 1994/02/23 08:01:38 borchert Exp $
|
||||
----------------------------------------------------------------------------
|
||||
$Log: SysTypes.om,v $
|
||||
Revision 1.1 1994/02/23 08:01:38 borchert
|
||||
Initial revision
|
||||
|
||||
----------------------------------------------------------------------------
|
||||
AFB 9/89
|
||||
----------------------------------------------------------------------------
|
||||
*)
|
||||
|
||||
MODULE ulmSysTypes;
|
||||
|
||||
IMPORT Types := ulmTypes;
|
||||
|
||||
TYPE
|
||||
Address* = Types.Address;
|
||||
UntracedAddress* = Types.UntracedAddress;
|
||||
Count* = Types.Count;
|
||||
Size* = Types.Size;
|
||||
Byte* = Types.Byte;
|
||||
|
||||
File* = (*INTEGER*)LONGINT; (* in ulm's system both INTEGER and LONGINT are 4 bytes long *)
|
||||
Offset* = LONGINT;
|
||||
Device* = LONGINT;
|
||||
Inode* = LONGINT;
|
||||
Time* = LONGINT;
|
||||
|
||||
Word* = INTEGER; (* must have the size of C's int-type *)
|
||||
|
||||
(* Note: linux supports wait4 but not waitid, i.e. these
|
||||
* constants aren't needed. *)
|
||||
(*
|
||||
CONST
|
||||
(* possible values of the idtype parameter (4 bytes),
|
||||
see <sys/procset.h>
|
||||
*)
|
||||
idPid = 0; (* a process identifier *)
|
||||
idPpid = 1; (* a parent process identifier *)
|
||||
idPgid = 2; (* a process group (job control group) identifier *)
|
||||
idSid = 3; (* a session identifier *)
|
||||
idCid = 4; (* a scheduling class identifier *)
|
||||
idUid = 5; (* a user identifier *)
|
||||
idGid = 6; (* a group identifier *)
|
||||
idAll = 7; (* all processes *)
|
||||
idLwpid = 8; (* an LWP identifier *)
|
||||
TYPE
|
||||
IdType = INTEGER; (* idPid .. idLwpid *)
|
||||
*)
|
||||
|
||||
END ulmSysTypes.
|
||||
Loading…
Add table
Add a link
Reference in a new issue