linux-user: Add support for KCOV_INIT_TRACE ioctl
KCOV_INIT_TRACE ioctl plays the role in kernel coverage tracing. This ioctl's third argument is of type 'unsigned long', and the implementation in QEMU is straightforward. Reviewed-by: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com> Message-Id: <1579214991-19602-13-git-send-email-aleksandar.markovic@rt-rk.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
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@ -538,4 +538,5 @@
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#ifdef CONFIG_KCOV
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IOCTL(KCOV_ENABLE, 0, TYPE_NULL)
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IOCTL(KCOV_DISABLE, 0, TYPE_NULL)
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IOCTL(KCOV_INIT_TRACE, IOC_R, TYPE_ULONG)
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#endif
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@ -2437,6 +2437,7 @@ struct target_mtpos {
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/* kcov ioctls */
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#define TARGET_KCOV_ENABLE TARGET_IO('c', 100)
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#define TARGET_KCOV_DISABLE TARGET_IO('c', 101)
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#define TARGET_KCOV_INIT_TRACE TARGET_IOR('c', 1, abi_ulong)
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struct target_sysinfo {
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abi_long uptime; /* Seconds since boot */
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