fpc/rtl/i386/setjump.inc
2002-09-07 16:01:16 +00:00

55 lines
1.4 KiB
PHP

{
$Id$
This file is part of the Free Pascal run time library.
Copyright (c) 1999-2000 by the Free Pascal development team
SetJmp and LongJmp implementation for exception handling
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
This program 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.
**********************************************************************}
Function SetJmp (Var S : Jmp_buf) : longint;assembler;[Public, alias : 'FPC_SETJMP'];
asm
movl 8(%ebp),%eax
movl %ebx,(%eax)
movl %esi,4(%eax)
movl %edi,8(%eax)
movl 4(%ebp),%edi
movl %edi,20(%eax)
movl (%ebp),%edi
movl %edi,12(%eax)
leal 12(%ebp),%edi
movl %edi,16(%eax)
movl 8(%eax),%edi
xorl %eax,%eax
end['EAX'];
Procedure longJmp (Var S : Jmp_buf; value : longint); assembler;[Public, alias : 'FPC_LONGJMP'];
asm
movl 8(%ebp),%ecx
movl 12(%ebp),%eax
movl (%ecx),%ebx
movl 4(%ecx),%esi
movl 8(%ecx),%edi
movl 12(%ecx),%ebp
movl 16(%ecx),%esp
// we should also clear the fpu
// fninit no must be done elsewhere PM
// or we should reset the control word also
jmp 20(%ecx)
end;
{
$Log$
Revision 1.3 2002-09-07 16:01:19 peter
* old logs removed and tabs fixed
}