KCOV_ENABLE and KCOV_DISABLE play the role in kernel coverage
tracing. These ioctls do not use the third argument of ioctl()
system call and are straightforward to implement in QEMU.
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Message-Id: <
1579214991-19602-12-git-send-email-aleksandar.markovic@rt-rk.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
IOCTL_IGNORE(TIOCSTART)
IOCTL_IGNORE(TIOCSTOP)
#endif
+
+#ifdef CONFIG_KCOV
+ IOCTL(KCOV_ENABLE, 0, TYPE_NULL)
+ IOCTL(KCOV_DISABLE, 0, TYPE_NULL)
+#endif
#ifdef CONFIG_SENDFILE
#include <sys/sendfile.h>
#endif
+#ifdef CONFIG_KCOV
+#include <sys/kcov.h>
+#endif
#define termios host_termios
#define winsize host_winsize
#define TARGET_MTIOCGET TARGET_IOR('m', 2, struct target_mtget)
#define TARGET_MTIOCPOS TARGET_IOR('m', 3, struct target_mtpos)
+/* kcov ioctls */
+#define TARGET_KCOV_ENABLE TARGET_IO('c', 100)
+#define TARGET_KCOV_DISABLE TARGET_IO('c', 101)
+
struct target_sysinfo {
abi_long uptime; /* Seconds since boot */
abi_ulong loads[3]; /* 1, 5, and 15 minute load averages */