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linux-user: fix to handle variably sized SIOCGSTAMP with new kernels

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The SIOCGSTAMP symbol was previously defined in the
asm-generic/sockios.h header file. QEMU sees that header
indirectly via sys/socket.h

In linux kernel commit 0768e17073dc527ccd18ed5f96ce85f9985e9115
the asm-generic/sockios.h header no longer defines SIOCGSTAMP.
Instead it provides only SIOCGSTAMP_OLD, which only uses a
32-bit time_t on 32-bit architectures.

The linux/sockios.h header then defines SIOCGSTAMP using
either SIOCGSTAMP_OLD or SIOCGSTAMP_NEW as appropriate. If
SIOCGSTAMP_NEW is used, then the tv_sec field is 64-bit even
on 32-bit architectures

To cope with this we must now convert the old and new type from
the target to the host one.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Message-Id: <20190718130641.15294-1-laurent@vivier.eu>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Daniel P. Berrangé
2019-07-18 15:06:41 +02:00
committed by Laurent Vivier
parent 0acd4ab849
commit 6d5d5dde9a
4 changed files with 159 additions and 38 deletions
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6
linux-user/syscall_types.h
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@@ -14,12 +14,6 @@ STRUCT(serial_icounter_struct,
STRUCT(sockaddr,
TYPE_SHORT, MK_ARRAY(TYPE_CHAR, 14))
STRUCT(timeval,
MK_ARRAY(TYPE_LONG, 2))
STRUCT(timespec,
MK_ARRAY(TYPE_LONG, 2))
STRUCT(rtentry,
TYPE_ULONG, MK_STRUCT(STRUCT_sockaddr), MK_STRUCT(STRUCT_sockaddr), MK_STRUCT(STRUCT_sockaddr),
TYPE_SHORT, TYPE_SHORT, TYPE_ULONG, TYPE_PTRVOID, TYPE_SHORT, TYPE_PTRVOID,