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We want to access the target errno indepently of the rest of the
linux-user code. Move the header containing the generic errno
definitions ('errno_defs.h') to 'generic/target_errno_defs.h',
create a new 'target_errno_defs.h' in each target which itself
includes 'generic/target_errno_defs.h'.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210708170550.1846343-4-f4bug@amsat.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190604181618.19980-5-armbru@redhat.com>
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With definitions for generic, alpha and mips taken from 4.9-rc2.
Signed-off-by: Richard Henderson <rth@twiddle.net>
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Currently we define a QEMU-internal errno TARGET_QEMU_ESIGRETURN
only on the MIPS and PPC targets; move this to errno_defs.h
so it is available for all architectures, and renumber it to 513.
We pick 513 because this is safe from future use as a system call return
value: Linux uses it as ERESTART_NOINTR internally and never allows that
errno to escape to userspace.
Signed-off-by: Timothy Edward Baldwin <T.E.Baldwin99@members.leeds.ac.uk>
Message-id: 1441497448-32489-4-git-send-email-T.E.Baldwin99@members.leeds.ac.uk
[PMM: TARGET_ERESTARTSYS split out into preceding patch, add comment]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
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Define TARGET_ERESTARTSYS; like the kernel, we will use this to
indicate that a guest system call should be restarted. We use
the same value the kernel does for this, 512.
Signed-off-by: Timothy Edward Baldwin <T.E.Baldwin99@members.leeds.ac.uk>
[PMM: split out from the patch which moves and renumbers
TARGET_QEMU_ESIGRETURN, add comment on usage]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6000 c046a42c-6fe2-441c-8c8c-71466251a162
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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2908 c046a42c-6fe2-441c-8c8c-71466251a162
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