freepascal.compiler/rtl/freebsd/i386/sighnd.inc

{
   This file is part of the Free Pascal run time library.
   (c) 2000-2003 by Marco van de Voort
   member of the Free Pascal development team.

   See the file COPYING.FPC, included in this distribution,
   for details about the copyright.

   Signalhandler for FreeBSD/i386

   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.
}

procedure SignalToRunerror(Sig: cint; var info : tsiginfo_t;Var SigContext:SigContextRec); cdecl;

var
  res : word;

begin
  res:=0;
  case sig of
    SIGFPE :
          begin
            Case Info.si_code Of
                FPE_INTDIV : Res:=200;  {integer divide fault. Div0?}
                FPE_FLTOVF : Res:=205;  {Overflow trap}
                FPE_FLTUND : Res:=206;  {Stack over/underflow}
                FPE_FLTRES : Res:=216;  {Device not available}
                FPE_FLTINV : Res:=216;  {Invalid floating point operation}
               Else
                Res:=208; {coprocessor error}
                End;
             sysResetFPU;
          End;
    SIGILL,
    SIGBUS,
    SIGSEGV :
        res:=216;
  end;
  {$ifdef FPC_USE_SIGPROCMASK}
   reenable_signal(sig);
  {$endif }
{ give runtime error at the position where the signal was raised }
  if res<>0 then
   begin
{$ifdef cpui386}
  HandleErrorAddrFrame(res,Pointer(SigContext.sc_eip),pointer(SigContext.sc_ebp));
{$else}
     HandleError(res);
{$endif}
   end;
end;
{
procedure SignalToRunerror(signo: cint); cdecl;
var
  res : word;
begin
    res:=0;

    if signo = SIGFPE then
     begin
        res := 200;
     end
    else
    if (signo = SIGILL) or (signo = SIGBUS) or (signo = SIGSEGV) then
      begin
        res := 216;
      end;
  { give runtime error at the position where the signal was raised }
  if res<>0 then
   begin
     HandleError(res);
   end;
end;
}