Re: signal unwind and fp state

2007-06-01 Thread Roman Zippel
Hi, On Fri, 1 Jun 2007, Ian Lance Taylor wrote: > I don't know the answer. But I do know that you need to think about > -fasynchronous-unwind-tables, and you need to think about how your > kernel handles registers when calling a handler, and you need to think > about what unwind information is a

Re: signal unwind and fp state

2007-06-01 Thread Ian Lance Taylor
Roman Zippel <[EMAIL PROTECTED]> writes: > While working on a vdso for Linux/m68k I stumbled again on a problem, I > already had with the fallback unwind handler in gcc, where I'd like to > hear some opinions. > I'm looking at the i386 unwind handler and that doesn't bother to restore > any fp