fpc/rtl/solaris/sparc/sighnd.inc
Jonas Maebe 5b9a51eaa8 * fixed extracting stack pointer and program counter from
signal context

git-svn-id: trunk@5650 -
2006-12-19 15:15:39 +00:00

92 lines
2.0 KiB
PHP

{
This file is part of the Free Pascal run time library.
Copyright (c) 1999-2006 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.
**********************************************************************}
const
REG_PC = 1;
REG_nPC = 2;
REG_O6 = 17;
REG_SP = REG_O6;
const
FPE_INTDIV = 1;
FPE_INTOVF = 2;
FPE_FLTDIV = 3;
FPE_FLTOVF = 4;
FPE_FLTUND = 5;
FPE_FLTRES = 6;
FPE_FLTINV = 7;
FPE_FLTSUB = 8;
procedure SignalToRunerror(sig : longint; SigInfo: PSigInfo; SigContext: PSigContext);cdecl;
var
res : word;
addr : pointer;
frame : pointer;
begin
res:=0;
if assigned(sigcontext) then
begin
addr := pointer(sigcontext^.uc_mcontext.gregs[REG_PC]);
frame := pointer(sigcontext^.uc_mcontext.gregs[REG_SP])
end
else
begin
addr := nil;
frame := nil;
end;
case sig of
SIGFPE :
begin
res := 207;
case siginfo^.si_code of
FPE_INTDIV:
res:=200;
FPE_INTOVF:
res:=205;
FPE_FLTDIV:
res:=200;
FPE_FLTOVF:
res:=205;
FPE_FLTUND:
res:=206;
FPE_FLTRES,
FPE_FLTINV,
FPE_FLTSUB:
res:=216;
else
res:=207;
end;
end;
SIGILL,
SIGSEGV :
begin
res:=216;
end;
SIGBUS :
begin
res:=214;
end;
end;
reenable_signal(sig);
{ give runtime error at the position where the signal was raised }
if res<>0 then
HandleErrorAddrFrame(res,addr,frame);
end;