dump-guest-memory.py: skip vmcoreinfo section if not available
On some architectures, qemu doesn't support vmcoreinfo device,
and dump-guest-memory fails:
(gdb) dump-guest-memory /tmp/vmcore ppc64-le
guest RAM blocks:
target_start target_end host_addr message count
---------------- ---------------- ---------------- ------- -----
0000000000000000 0000000200000000 00003ffd86980000 added 1
0000200080000000 0000200080800000 00003ffd86170000 added 2
Python Exception <class 'gdb.error'> No symbol "vmcoreinfo_realize" in current context.:
Error occurred in Python command: No symbol "vmcoreinfo_realize" in current context.
Check that vmcoreinfo_realize symbol exists before evaluating an
expression with it.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
diff --git a/scripts/dump-guest-memory.py b/scripts/dump-guest-memory.py
index 03fbf69..51acfcd 100644
--- a/scripts/dump-guest-memory.py
+++ b/scripts/dump-guest-memory.py
@@ -546,6 +546,8 @@
return None
def add_vmcoreinfo(self):
+ if gdb.lookup_symbol("vmcoreinfo_realize")[0] is None:
+ return
vmci = 'vmcoreinfo_realize::vmcoreinfo_state'
if not gdb.parse_and_eval("%s" % vmci) \
or not gdb.parse_and_eval("(%s)->has_vmcoreinfo" % vmci):
