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Bring target_flock definitions to be more in sync with the way
flock is defined in kernel.
Basically, the rules from the kernel are:
1. Majority of architectures have a common flock definition.
2. Architectures with 32-bit MIPS ABIs have a sligtly different
flock definition; those architectures are the only arcitectures
that have HAVE_ARCH_STRUCT_FLOCK defined, and that preprocessor
constant is used in the common header as a flag for including or
not including common flock definition.
3. Sparc architectures also have a sligtly different flock
definition, but the difference is only the padding at the end of
the structure. The presence of that padding is determined by
preprocessor constants __ARCH_FLOCK6_PAD and __ARCH_FLOCK64_PAD.
QEMU linux-user already implements rules 1. and 3. in a very
similar way as they are implemented in kernel. However, rule 2.
is implemented in a dissimilar way (for example, the constant
TARGET_HAVE_ARCH_STRUCT_FLOCK is missing), and this patch brings
QEMU implementation much closer to the kernel implementation.
TARGET_HAVE_ARCH_STRUCT_FLOCK64 constant is also introduced to
mimic HAVE_ARCH_STRUCT_FLOCK64 from kernel, but it is not defined
anywhere, however, this is the case with HAVE_ARCH_STRUCT_FLOCK64
in kernel as well.
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <1561718618-20218-5-git-send-email-aleksandar.markovic@rt-rk.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
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Among MIPS ABIs, only MIPS O32 and N32 have special (different
than other architectures) definition of structure flock in kernel.
Bring target_flock definition in QEMU for MIPS O64 ABI to the
correct state, which is currently different than the most common
definition, and it should actually be the same.
Reported-by: Dragan Mladjenovic <dmladjenovic@wavecomp.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <1561718618-20218-4-git-send-email-aleksandar.markovic@rt-rk.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
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No code change.
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20180529194207.31503-6-laurent@vivier.eu>
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add a per target target_fcntl.h and include the generic one from them
No code change.
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20180529194207.31503-2-laurent@vivier.eu>
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