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dump-guest-memory.py: fix No symbol "vmcoreinfo_find"

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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>
This commit is contained in:
Marc-André Lureau 2017-12-01 12:37:44 +01:00 committed by Michael S. Tsirkin
parent 2ae39a113a
commit d36d0a9d15
1 changed files with 7 additions and 5 deletions
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12
scripts/dump-guest-memory.py
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@ -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)