From 6d5a6268d535d641147f16a5d0343beadaaab3d9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= <marcandre.lureau@redhat.com>
Date: Wed, 13 Dec 2017 13:39:11 +0100
Subject: [PATCH 40/41] dump-guest-memory.py: fix No symbol "vmcoreinfo_find"
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RH-Author: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: <20171213133912.26176-41-marcandre.lureau@redhat.com>
Patchwork-id: 78390
O-Subject: [RHEL-7.5 qemu-kvm PATCH v3 40/41] dump-guest-memory.py: fix No symbol "vmcoreinfo_find"
Bugzilla: 1411490
RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
RH-Acked-by: Michael S. Tsirkin <mst@redhat.com>
RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
When qemu is compiled without debug, the dump gdb python script can fail with:
Error occurred in Python command: No symbol "vmcoreinfo_find" in current context.
Because vmcoreinfo_find() is inlined and not exported.
Use the underlying object_resolve_path_type() to get the instance instead.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
(cherry picked from commit d36d0a9d152316a41e02c2613a71f5859f407da1)
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
scripts/dump-guest-memory.py | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/scripts/dump-guest-memory.py b/scripts/dump-guest-memory.py
index 471aa73..12b9b7d 100644
--- a/scripts/dump-guest-memory.py
+++ b/scripts/dump-guest-memory.py
@@ -546,13 +546,15 @@ shape and this command should mostly work."""
return None
def add_vmcoreinfo(self):
- if not gdb.parse_and_eval("vmcoreinfo_find()") \
- or not gdb.parse_and_eval("vmcoreinfo_find()->has_vmcoreinfo"):
+ vmci = '(VMCoreInfoState *)' + \
+ 'object_resolve_path_type("", "vmcoreinfo", 0)'
+ if not gdb.parse_and_eval("%s" % vmci) \
+ or not gdb.parse_and_eval("(%s)->has_vmcoreinfo" % vmci):
return
- fmt = gdb.parse_and_eval("vmcoreinfo_find()->vmcoreinfo.guest_format")
- addr = gdb.parse_and_eval("vmcoreinfo_find()->vmcoreinfo.paddr")
- size = gdb.parse_and_eval("vmcoreinfo_find()->vmcoreinfo.size")
+ fmt = gdb.parse_and_eval("(%s)->vmcoreinfo.guest_format" % vmci)
+ addr = gdb.parse_and_eval("(%s)->vmcoreinfo.paddr" % vmci)
+ size = gdb.parse_and_eval("(%s)->vmcoreinfo.size" % vmci)
fmt = le16_to_cpu(fmt)
addr = le64_to_cpu(addr)
--
1.8.3.1