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Re: Status of Gdb support for new ABI?
- To: Per Bothner <per at bothner dot com>
- Subject: Re: Status of Gdb support for new ABI?
- From: Jason Merrill <jason at redhat dot com>
- Date: 29 Jan 2001 12:51:05 +0000
- Cc: gcc-sc at goof dot com, gdb at sources dot redhat dot com
- References: <m2d7dg1mnt.fsf@kelso.bothner.com>
>>>>> "Per" == Per Bothner <per@bothner.com> writes:
> How well does Gdb handle the new ABI? This is actually two questions:
> (1) How well does cvs trunk of Gdb handle the new ABI?
It handles the mangling properly. I don't think there is any specific
support for the new ABI object model yet, and the dwarf2 output hasn't yet
been expanded to give the debugger a more complete idea of, say, how to
find virtual bases.
> (2) How well does the current Gdb release handle the new ABI?
It doesn't handle the new mangling at all.
> I'm guessing that the answer to (1) is 'ok' and that of (2) is 'not'.
> One could argue that it is not acceptable for the current Gdb to
> be unable to (reasonably) debug C++ programs generated by the current Gcc.
> The implication is: We need to make sure Gdb 5.1 is released on
> or before GCC 3.0 is released. Is this possible? Am I wrong?
If necessary, we could make a minor release of GDB that just updates the
demangler. That would be pretty straightforward.
Jason