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86 lines
2.1 KiB
PHP
86 lines
2.1 KiB
PHP
{
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Copyright (c) 1998-2000 by Florian Klaempfl
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This include implements the actual system call for the
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intel BeOS 80x86 platform.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; 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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}
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type
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SysCallArgs = packed record
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param: array[1..8] of cint;
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End;
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procedure sys_call; external name 'sys_call';
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function Do_SysCall( callnr:longint;var regs : SysCallArgs ): longint;assembler;
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{
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This routine sets up the parameters on the stack, all the parameters
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are in reverse order on the stack (like C parameter passing).
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}
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asm
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{ load the parameters... }
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movl regs,%eax
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movl 24(%eax),%ebx
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pushl %ebx
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movl 20(%eax),%ebx
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pushl %ebx
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movl 16(%eax),%ebx
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pushl %ebx
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movl 12(%eax),%ebx
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pushl %ebx
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movl 8(%eax),%ebx
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pushl %ebx
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movl 4(%eax),%ebx
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pushl %ebx
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movl 0(%eax),%ebx
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pushl %ebx
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{ set the call number }
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movl callnr,%eax
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call sys_call
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addl $28,%esp
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end;
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Function SysCall( callnr:longint;var args : SysCallArgs ):longint;
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{
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This function serves as an interface to do_SysCall.
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If the SysCall returned a negative number, it returns -1, and puts the
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SysCall result in errno. Otherwise, it returns the SysCall return value
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}
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var
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funcresult : longint;
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begin
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funcresult:=do_SysCall(callnr,args);
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if funcresult<0 then
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begin
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ErrNo:=funcresult;
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SysCall:=-1;
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end
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else
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begin
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SysCall:=funcresult;
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errno:=0
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end;
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end;
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