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{
This file is part of the Free Pascal run time library.
Copyright (c) 1999-2000 by Michael Van Canneyt,
member of the Free Pascal development team.
Signal handler is arch dependant due to processor to language
exception conversion.
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.
**********************************************************************}
procedure SignalToRunerror(sig : longint; SigInfo: PSigInfo; SigContext: PSigContext);cdecl;
var
res : word;
{ fpustate: longint; }
begin
res:=0;
{ exception flags are turned off by kernel }
fpc_enable_ppc_fpu_exceptions;
case sig of
SIGFPE :
begin
{
fpscr is cleared by the kernel -> can't find out cause :(
fpustate := fpc_get_ppc_fpscr;
if (fpustate and ppc_fpu_underflow) <> 0 then
res := 206
else if (fpustate and ppc_fpu_overflow) <> 0 then
res := 205
else if (fpustate and ppc_fpu_divbyzero) <> 0 then
res := 200
else
}
res := 207;
end;
SIGILL,
SIGBUS,
SIGSEGV :
res:=216;
end;
reenable_signal(sig);
{ give runtime error at the position where the signal was raised }
if res<>0 then
HandleErrorAddrFrame(res,pointer(SigContext^.pt_regs^.nip),pointer(SigContext^.pt_regs^.gpr[1]));
end;
{
$Log: sighnd.inc,v $
Revision 1.7 2005/04/24 21:19:22 peter
* unblock signal in signalhandler, remove the sigprocmask call
from setjmp
Revision 1.6 2005/02/14 17:13:30 peter
* truncate log
Revision 1.5 2005/01/30 18:01:15 peter
* signal cleanup for linux
* sigactionhandler instead of tsigaction for bsds
* sigcontext moved to cpu dir
}
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