diff options
Diffstat (limited to 'sys/compat/linux/linux_ioctl.c')
| -rw-r--r-- | sys/compat/linux/linux_ioctl.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/sys/compat/linux/linux_ioctl.c b/sys/compat/linux/linux_ioctl.c index f1083391ba6d..28c3c627cb68 100644 --- a/sys/compat/linux/linux_ioctl.c +++ b/sys/compat/linux/linux_ioctl.c @@ -50,6 +50,7 @@ __FBSDID("$FreeBSD$"); #include <sys/filio.h> #include <sys/jail.h> #include <sys/kbio.h> +#include <sys/kcov.h> #include <sys/kernel.h> #include <sys/linker_set.h> #include <sys/lock.h> @@ -117,6 +118,7 @@ static linux_ioctl_function_t linux_ioctl_v4l2; static linux_ioctl_function_t linux_ioctl_special; static linux_ioctl_function_t linux_ioctl_fbsd_usb; static linux_ioctl_function_t linux_ioctl_evdev; +static linux_ioctl_function_t linux_ioctl_kcov; static struct linux_ioctl_handler cdrom_handler = { linux_ioctl_cdrom, LINUX_IOCTL_CDROM_MIN, LINUX_IOCTL_CDROM_MAX }; @@ -146,6 +148,8 @@ static struct linux_ioctl_handler fbsd_usb = { linux_ioctl_fbsd_usb, FBSD_LUSB_MIN, FBSD_LUSB_MAX }; static struct linux_ioctl_handler evdev_handler = { linux_ioctl_evdev, LINUX_IOCTL_EVDEV_MIN, LINUX_IOCTL_EVDEV_MAX }; +static struct linux_ioctl_handler kcov_handler = +{ linux_ioctl_kcov, LINUX_KCOV_MIN, LINUX_KCOV_MAX }; DATA_SET(linux_ioctl_handler_set, cdrom_handler); DATA_SET(linux_ioctl_handler_set, vfat_handler); @@ -161,6 +165,7 @@ DATA_SET(linux_ioctl_handler_set, video_handler); DATA_SET(linux_ioctl_handler_set, video2_handler); DATA_SET(linux_ioctl_handler_set, fbsd_usb); DATA_SET(linux_ioctl_handler_set, evdev_handler); +DATA_SET(linux_ioctl_handler_set, kcov_handler); /* * Keep sorted by low. @@ -3572,6 +3577,38 @@ linux_ioctl_evdev(struct thread *td, struct linux_ioctl_args *args) return (sys_ioctl(td, (struct ioctl_args *)args)); } +static int +linux_ioctl_kcov(struct thread *td, struct linux_ioctl_args *args) +{ + int error; + + error = 0; + switch (args->cmd & 0xffff) { + case LINUX_KCOV_INIT_TRACE: + args->cmd = KIOSETBUFSIZE; + break; + case LINUX_KCOV_ENABLE: + args->cmd = KIOENABLE; + if (args->arg == 0) + args->arg = KCOV_MODE_TRACE_PC; + else if (args->arg == 1) + args->arg = KCOV_MODE_TRACE_CMP; + else + error = EINVAL; + break; + case LINUX_KCOV_DISABLE: + args->cmd = KIODISABLE; + break; + default: + error = ENOTTY; + break; + } + + if (error == 0) + error = sys_ioctl(td, (struct ioctl_args *)args); + return (error); +} + /* * main ioctl syscall function */ |