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From: Paolo Bonzini <pbonzini@redhat.com>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: Rabin Vincent <rabin@rab.in>, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCHv2 5/6] target-arm: add dump-guest-memory support
Date: Thu, 04 Apr 2013 11:47:13 +0200	[thread overview]
Message-ID: <515D4C21.7010205@redhat.com> (raw)
In-Reply-To: <CAFEAcA9zdkkee20zk5gfa8G5QauzhYd03FFkm+1k8_=6Rx6Tsw@mail.gmail.com>

Il 24/03/2013 21:39, Peter Maydell ha scritto:
>> >
>> > I guess the API was made with x86 in mind.  I will see if the
>> > requirement can be removed with some ifdefs in the dump.c file.
>> >
>> > (come to think of it, I guess this ARM code will need to use ELFCLASS64
>> >  when we have physical memory > 4GiB (LPAE))
> It would be good to check whether that is correct -- mostly core
> files are for dumps of a virtual address space so I don't know
> whether gdb/etc would understand an ARM corefile which claimed
> ELFCLASS64. (I mean understand it as an AArch32 corefile rather
> than AArch64.)

Note that in this case we can choose between physical and virtual
address space dumps.

Virtual address space is mostly useful with gdb; physical address space
can be used for example with "crash", a post-mortem kernel debugger.

Paolo

  reply	other threads:[~2013-04-04  9:47 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-24 17:27 [Qemu-devel] [PATCHv2 0/6] ARM dump-guest-memory support Rabin Vincent
2013-03-24 17:27 ` [Qemu-devel] [PATCHv2 1/6] dump: create writable files Rabin Vincent
2013-04-04  9:42   ` Paolo Bonzini
2013-03-24 17:27 ` [Qemu-devel] [PATCHv2 2/6] dump: extract out note helper Rabin Vincent
2013-03-24 17:27 ` [Qemu-devel] [PATCHv2 3/6] dump: extract out get note size function Rabin Vincent
2013-03-24 17:27 ` [Qemu-devel] [PATCHv2 4/6] dump: fix up memory mapping dependencies / stub Rabin Vincent
2013-04-04  9:43   ` Paolo Bonzini
2013-03-24 17:27 ` [Qemu-devel] [PATCHv2 5/6] target-arm: add dump-guest-memory support Rabin Vincent
2013-03-24 18:34   ` Peter Maydell
2013-03-24 19:26     ` Rabin Vincent
2013-03-24 20:39       ` Peter Maydell
2013-04-04  9:47         ` Paolo Bonzini [this message]
2013-04-04  9:49           ` Peter Maydell
2013-03-24 17:27 ` [Qemu-devel] [PATCHv2 6/6] dump: fix memory region handling Rabin Vincent
2013-03-24 18:36   ` Peter Maydell
2013-03-24 19:35     ` Rabin Vincent
2013-03-24 20:18       ` Peter Maydell
2013-03-25 11:49 ` [Qemu-devel] [PATCHv2 0/6] ARM dump-guest-memory support Andreas Färber
2013-03-29  8:36   ` Rabin Vincent
2013-04-04  8:52     ` Andreas Färber
2013-04-09 12:09       ` [Qemu-devel] [RFC] make write_elf_xx functions part of CPUClass, use CPUState Jens Freimann
2013-04-09 13:15         ` Andreas Färber
2013-04-19 14:45           ` [Qemu-devel] [PATCH 0/2] qom: make cpu_write_elfXX_ functions part of CPUClass Jens Freimann
2013-04-19 14:45             ` [Qemu-devel] [PATCH 1/2] qom: Convert cpu_write_elfXX_note functions to CPUState Jens Freimann
2013-04-19 14:45             ` [Qemu-devel] [PATCH 2/2] i386: use CPUClass->write_elf* functions Jens Freimann
2013-04-29 14:21             ` [Qemu-devel] [PATCH 0/2] qom: make cpu_write_elfXX_ functions part of CPUClass Andreas Färber

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