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60 lines
1.6 KiB
PHP
60 lines
1.6 KiB
PHP
{
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This file is part of the Free Pascal run time library.
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Copyright (c) 2001 by Free Pascal development team
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This file implements all the base types and limits required
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for a minimal POSIX compliant subset required to port the compiler
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to a new OS.
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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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Heap Management
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*****************************************************************************}
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function __sbrk(size:longint):longint;cdecl;external;
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function SysOSAlloc (size: ptruint): pointer; assembler;
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asm
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{$ifdef SYSTEMDEBUG}
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cmpb $1,accept_sbrk
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je .Lsbrk
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movl $0,%eax
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jmp .Lsbrk_fail
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.Lsbrk:
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{$endif}
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movl size,%eax
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pushl %eax
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call __sbrk
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addl $4,%esp
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{$ifdef SYSTEMDEBUG}
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.Lsbrk_fail:
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{$endif}
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end;
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{*****************************************************************************
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OS Memory allocation / deallocation
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****************************************************************************}
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{function SysOSAlloc(size: ptrint): pointer;
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begin
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result := sbrk(size);
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end;
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}
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{.$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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