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Re: [PATCH v2] tcg/i386: Use GDB JIT debugging interface only for hosts with ELF
- From: Stefan Weil <sw at weilnetz dot de>
- To: Richard Henderson <rth at twiddle dot net>
- Cc: qemu-devel at nongnu dot org, Blue Swirl <blauwirbel at gmail dot com>, gdb at sourceware dot org
- Date: Sat, 14 Apr 2012 22:59:04 +0200
- Subject: Re: [PATCH v2] tcg/i386: Use GDB JIT debugging interface only for hosts with ELF
- References: <1333813984-1516-1-git-send-email-sw@weilnetz.de> <4F89A8F7.9090701@twiddle.net>
Am 14.04.2012 18:42, schrieb Richard Henderson:
On 04/07/2012 11:53 AM, Stefan Weil wrote:
Not all i386 / x86_64 hosts use ELF.
Ask the compiler whether ELF is used.
On w64, gdb crashes when ELF_HOST_MACHINE is defined.
Hmm. Because the other way this could be addressed is
to fix gdb. (1) it shouldn't crash and (2) it could
support elf alongside pe-coff fairly easily i'd imagine;
just a matter of enabling that bfd backend.
Shall we ask gdb maintainers?
r~
Fixing problems at their source - in this
case fixing gdb - is of course the best solution.
For the w64 port of gdb, I needed a quick solution.
Usually it will take some time to ask the gdb maintainers,
find a solution, get distributions which include the solution
and use such distributions everywhere.
I don't think that the setup with pe-coff (when it is supported)
will be 100 % identical to the elf setup, so most probably we'll
need a test for ELF / not ELF anyway.
Therefore I suggest to apply my patch, even it is only an
intermediate solution for the next year.
Regards,
Stefan W.
different