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b20652821d
+ support for catching sigill on FreeBSD in case not running on
an SSE2-capable cpu (untested) -- Darwin only runs on SSE2-capable
cpus
git-svn-id: trunk@9419 -
64 lines
1.6 KiB
PHP
64 lines
1.6 KiB
PHP
{
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This file is part of the Free Pascal run time library.
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(c) 2000-2003 by Marco van de Voort
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member of the Free Pascal development team.
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See the file COPYING.FPC, included in this distribution,
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for details about the copyright.
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Signalhandler for FreeBSD/i386
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY;without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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}
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procedure SignalToRunerror(Sig: cint; info : psiginfo; SigContext:PSigContext); cdecl;
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var
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res : word;
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begin
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res:=0;
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case sig of
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SIGFPE :
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begin
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Case Info^.si_code Of
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FPE_INTDIV : Res:=200; {integer divide fault. Div0?}
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FPE_FLTOVF : Res:=205; {Overflow trap}
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FPE_FLTUND : Res:=206; {Stack over/underflow}
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FPE_FLTRES : Res:=216; {Device not available}
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FPE_FLTINV : Res:=216; {Invalid floating point operation}
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Else
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Res:=208; {coprocessor error}
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End;
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sysResetFPU;
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End;
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SIGILL:
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if sse_check then
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begin
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os_supports_sse:=false;
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res:=0;
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inc(sigcontext^.sc_eip,3);
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end
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else
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res:=216;
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SIGBUS:
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res:=214;
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SIGSEGV :
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res:=216;
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end;
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{$ifdef FPC_USE_SIGPROCMASK}
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reenable_signal(sig);
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{$endif }
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{ give runtime error at the position where the signal was raised }
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if res<>0 then
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begin
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{$ifdef cpui386}
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HandleErrorAddrFrame(res,Pointer(SigContext^.sc_eip),pointer(SigContext^.sc_ebp));
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{$else}
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HandleError(res);
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{$endif}
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end;
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end;
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