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Re: C++ Issue on GCC 3.0 branch
- To: "John David Anglin" <dave at hiauly1 dot hia dot nrc dot ca>
- Subject: Re: C++ Issue on GCC 3.0 branch
- From: law at redhat dot com
- Date: Sat, 28 Apr 2001 09:57:16 -0700
- cc: mark at codesourcery dot com, gcc at gcc dot gnu dot org
- Reply-To: law at redhat dot com
In message <200104272214.SAA06753@hiauly1.hia.nrc.ca>you write:
> I think we need to define builtin_setjmp_receiver to restore r19. The
> default exception method I believe is exceptions via longjmp, so we need
> this. However, I have no idea whether or not this will fix the problem
> with rethrow1.C.
Yes, we probably need to restore %r19, but I'm 99.9 certain that's not the
problem with the rethrow test since they fail with static libraries.
> I also noticed a while back that exception_receiver uses a stack offset
> of -32 to restore the pic offset table register. This won't work on
> the 64-bit target. I think we should restore from the
> PIC_OFFSET_TABLE_SAVE_RTX. However, we need to wait for it to be
> initialized.
Right.
jeff