fpc/rtl/linux/powerpc/sighnd.inc
2005-11-10 15:01:00 +00:00

49 lines
1.3 KiB
PHP

{
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; context: PUContext);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 :
case (SigInfo^.si_code) of
FPE_FLTDIV : res := 200;
FPE_FLTOVF : res := 205;
FPE_FLTUND : res := 206;
else
res := 207;
end;
SIGBUS :
res:=214;
SIGILL,
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(context^.uc_mcontext.pt_regs^.nip),
pointer(context^.uc_mcontext.pt_regs^.gpr[1]));
end;