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8506d8fdf1
* First attempt to implement a sort of generic "gate" for adding different file access methods * Optimized heap and stack handling git-svn-id: trunk@12562 -
54 lines
1.3 KiB
PHP
54 lines
1.3 KiB
PHP
{
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This file is part of the Free Pascal run time library.
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Copyright (c) 2005 by Free Pascal development team
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Low level memory functions
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Heap functions unit for Nintendo DS
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Copyright (c) 2006 by Francesco Lombardi
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See the file COPYING.FPC, included in this distribution,
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for details about the copyright.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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**********************************************************************}
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{*****************************************************************************
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OS Memory allocation / deallocation
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****************************************************************************}
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function sbrk2(size: longint): pointer; cdecl; external name 'sbrk';
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function SysOSAlloc(size: ptruint): pointer;
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begin
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result := sbrk2(size);
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if result = pointer(-1) then
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result := nil
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end;
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procedure SysOSFree(p: pointer; size: ptruint);
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begin
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sbrk2(-size);
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end;
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(*
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var
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heap_start: longint; external name '_end';
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function SysOSAlloc(size: ptruint): pointer;
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begin
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result := @heap_start;
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end;
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{ $define HAS_SYSOSFREE}
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procedure SysOSFree(p: pointer; size: ptruint);
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begin
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end;
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*)
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