mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-10-21 21:41:37 +02:00
ccb9e7bb1b
+ psiginfo alias for psiginfo_t
* changed arguments to sigactionhandler procvar type from var parameters
into pointers
-> all compatible to the way it's done for Linux -> fpcdaemon compiles
git-svn-id: trunk@6283 -
57 lines
1.9 KiB
PHP
57 lines
1.9 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, { integer divide by zero -NOTIMP on Mac OS X 10.4.7 }
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FPE_FLTDIV : Res:=200; { floating point divide by zero }
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FPE_FLTOVF : Res:=205; { floating point overflow }
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FPE_FLTUND : Res:=206; { floating point underflow }
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FPE_FLTRES, { floating point inexact result }
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FPE_FLTINV : Res:=207; { invalid floating point operation }
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Else
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Res:=207; { coprocessor error }
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end;
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{ the following is true on ppc, but fortunately not on x86 }
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{ FPU exceptions are completely disabled by the kernel if one occurred, it }
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{ seems this is necessary to be able to return to user mode. They can be }
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{ enabled by executing a sigreturn, however then the exception is triggered }
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{ triggered again immediately if we don't turn off the "exception occurred" }
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{ flags in fpscr }
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sysResetFPU;
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end;
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SIGILL,
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SIGBUS,
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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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if (res <> 0) then
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HandleErrorAddrFrame(res,pointer(sigcontext^.ts.eip),pointer(sigcontext^.ts.ebp));
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end;
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