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From 8bd9fce5250f9abcca1e80afb5425bcf6e867b28 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= <marcandre.lureau@redhat.com>
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Date: Mon, 22 Jan 2018 14:04:40 +0100
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Subject: [PATCH 2/3] dump-guest-memory.py: fix python 2 support
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: Marc-André Lureau <marcandre.lureau@redhat.com>
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Message-id: <20180122140440.24988-1-marcandre.lureau@redhat.com>
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Patchwork-id: 78692
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O-Subject: [RHEL-7.5 qemu-kvm PATCH v2] dump-guest-memory.py: fix python 2 support
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Bugzilla: 1411490
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RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
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RH-Acked-by: Michael S. Tsirkin <mst@redhat.com>
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
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RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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Python GDB support may use Python 2 or 3.
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Inferior.read_memory() may return a 'buffer' with Python 2 or a
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'memoryview' with Python 3 (see also
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https://sourceware.org/gdb/onlinedocs/gdb/Inferiors-In-Python.html)
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The elf.add_vmcoreinfo_note() method expects a "bytes" object. Wrap
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the returned memory with bytes(), which works with both 'memoryview'
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and 'buffer'.
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Fixes a regression introduced with commit
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d23bfa91b7789534d16ede6cb7d925bfac3f3c4c ("add vmcoreinfo").
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Suggested-by: Peter Maydell <peter.maydell@linaro.org>
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Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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Acked-by: Laszlo Ersek <lersek@redhat.com>
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Reviewed-by: Eric Blake <eblake@redhat.com>
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(cherry picked from commit 6f49ec4034e55dfb675a56a62c9579384f7fb8cc)
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Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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scripts/dump-guest-memory.py | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/scripts/dump-guest-memory.py b/scripts/dump-guest-memory.py
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index 8a13db0..adb942e 100644
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--- a/scripts/dump-guest-memory.py
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+++ b/scripts/dump-guest-memory.py
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@@ -564,7 +564,7 @@ shape and this command should mostly work."""
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vmcoreinfo = self.phys_memory_read(addr, size)
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if vmcoreinfo:
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- self.elf.add_vmcoreinfo_note(vmcoreinfo.tobytes())
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+ self.elf.add_vmcoreinfo_note(bytes(vmcoreinfo))
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def invoke(self, args, from_tty):
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"""Handles command invocation from gdb."""
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--
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1.8.3.1
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