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Re: [Qemu-devel] RFC: fix for random Qemu crashes
From: |
Jocelyn Mayer |
Subject: |
Re: [Qemu-devel] RFC: fix for random Qemu crashes |
Date: |
Fri, 16 Nov 2007 16:35:48 +0100 |
On Fri, 2007-11-16 at 17:06 +0200, Heikki Lindholm wrote:
> J. Mayer kirjoitti:
> > Some may have experienced of having some Qemu builds crashing,
> > apparently at random places, but in a reproducable way.
> > I found one reason for this crashes: it appears that with the growth of
> > the op.c file, there may be cases where we could reach the inlining
> > limits of gcc. In such a case, gcc would not inline some declared
> > "inline" function but would emit a call and provide a separate function.
> > Unfortunately, this is not acceptable in op.o context as it will
> > slowdown the emulation and because the call is likely to break the
> > specific compilation rules (ie reserved registers) used while compiling
> > op.o
>
> Does -winline give a warning when this happens?
I did not check this, but getting a warning won't help us a lot. The
generated Qemu executable would still crash.
--
Jocelyn Mayer <address@hidden>