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qapi-types.py: Fix enum struct sizes on i686

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Unlike other list types, enum wasn't adding any padding, which caused
a mismatch between the generated struct size and GenericList struct
size. More details in a678e26cbe

This crashed qemu if calling qmp query-tpm-types for example, which
upsets libvirt capabilities probing. Reproducer on i686:

(sleep 5; printf '{"execute":"qmp_capabilities"}\n{"execute":"query-tpm-types"}\n') | ./i386-softmmu/qemu-system-i386 -S -nodefaults -nographic -M none -qmp stdio

https://bugs.launchpad.net/qemu/+bug/1219207

Cc: qemu-stable@nongnu.org
Signed-off-by: Cole Robinson <crobinso@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Tested-by: Richard W.M. Jones <rjones@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
(cherry picked from commit 02dc4bf568)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
This commit is contained in:
Cole Robinson
2013-08-31 18:36:17 -04:00
committed by Michael Roth
parent 41900b0857
commit 8b4b3a71fd
1 changed files with 4 additions and 1 deletions
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5
scripts/qapi-types.py
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@ -51,7 +51,10 @@ def generate_fwd_enum_struct(name, members):
return mcgen('''
typedef struct %(name)sList
{
%(name)s value;
union {
%(name)s value;
uint64_t padding;
};
struct %(name)sList *next;
} %(name)sList;
''',