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From: | Stefan Weil |
Subject: | Re: [Qemu-devel] [PATCH v2] tcg/i386: Use GDB JIT debugging interface only for hosts with ELF |
Date: | Sat, 14 Apr 2012 22:59:04 +0200 |
User-agent: | Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.28) Gecko/20120313 Thunderbird/3.1.20 |
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
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