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authorAleksandar Markovic <amarkovic@wavecomp.com>2020-01-16 23:49:51 +0100
committerLaurent Vivier <laurent@vivier.eu>2020-01-22 15:15:51 +0100
commitf7dbd8fe5665a1161b5f8af3e2d2044f3bd349d2 (patch)
tree494bef1a76ca3a3eec7e002b8d2198378f381399 /linux-user
parentbd27e675d33d829fdb89a8604e0aba6f9f38ab79 (diff)
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>
Diffstat (limited to 'linux-user')
-rw-r--r--linux-user/ioctls.h1
-rw-r--r--linux-user/syscall_defs.h1
2 files changed, 2 insertions, 0 deletions
diff --git a/linux-user/ioctls.h b/linux-user/ioctls.h
index 6220dd8cf7..23f6d3feb5 100644
--- a/linux-user/ioctls.h
+++ b/linux-user/ioctls.h
@@ -538,4 +538,5 @@
#ifdef CONFIG_KCOV
IOCTL(KCOV_ENABLE, 0, TYPE_NULL)
IOCTL(KCOV_DISABLE, 0, TYPE_NULL)
+ IOCTL(KCOV_INIT_TRACE, IOC_R, TYPE_ULONG)
#endif
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index 7b0b60d253..fb8318d121 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -2437,6 +2437,7 @@ struct target_mtpos {
/* kcov ioctls */
#define TARGET_KCOV_ENABLE TARGET_IO('c', 100)
#define TARGET_KCOV_DISABLE TARGET_IO('c', 101)
+#define TARGET_KCOV_INIT_TRACE TARGET_IOR('c', 1, abi_ulong)
struct target_sysinfo {
abi_long uptime; /* Seconds since boot */