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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>
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@ -546,6 +546,8 @@ def phys_memory_read(self, addr, size):
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return None
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def add_vmcoreinfo(self):
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if gdb.lookup_symbol("vmcoreinfo_realize")[0] is None:
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return
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vmci = 'vmcoreinfo_realize::vmcoreinfo_state'
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if not gdb.parse_and_eval("%s" % vmci) \
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or not gdb.parse_and_eval("(%s)->has_vmcoreinfo" % vmci):
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