#define _LTTNG_KERNEL_VERSION_H
#include <linux/version.h>
+#include <linux/types.h>
#include <generated/utsrelease.h>
-#define LTTNG_KERNEL_VERSION(a, b, c) KERNEL_VERSION(a, b, c)
-#define LTTNG_LINUX_VERSION_CODE LINUX_VERSION_CODE
-
/*
* The following defines are extracted from the toplevel Linux Makefile and
* passed on the command line -with '-D'.
* of LINUX_VERSION_CODE from the kernel headers and allocate 16bits.
* Otherwise, keep using the version code from the headers to minimise the
* behavior change and avoid regressions.
+ *
+ * Cast the result to uint64_t to prevent overflowing when we append distro
+ * specific version information.
*/
#if (LTTNG_LINUX_PATCH >= 256)
#define LTTNG_KERNEL_VERSION(a, b, c) \
- (((a) << 24) + ((b) << 16) + (c))
+ ((((a) << 24) + ((b) << 16) + (c)) * 1ULL)
#define LTTNG_LINUX_VERSION_CODE \
LTTNG_KERNEL_VERSION(LTTNG_LINUX_MAJOR, LTTNG_LINUX_MINOR, LTTNG_LINUX_PATCH)
#else
-#define LTTNG_KERNEL_VERSION(a, b, c) KERNEL_VERSION(a, b, c)
-#define LTTNG_LINUX_VERSION_CODE LINUX_VERSION_CODE
+#define LTTNG_KERNEL_VERSION(a, b, c) (KERNEL_VERSION(a, b, c) * 1ULL)
+#define LTTNG_LINUX_VERSION_CODE (LINUX_VERSION_CODE * 1ULL)
#endif
/* Ubuntu */
#define LTTNG_UBUNTU_KERNEL_VERSION(a, b, c, d) \
- (((LTTNG_KERNEL_VERSION(a, b, c)) << 8) + (d))
+ (((LTTNG_KERNEL_VERSION(a, b, c)) << 16) + (d))
#ifdef UTS_UBUNTU_RELEASE_ABI
#define LTTNG_UBUNTU_VERSION_CODE \
- ((LTTNG_LINUX_VERSION_CODE << 8) + UTS_UBUNTU_RELEASE_ABI)
+ ((LTTNG_LINUX_VERSION_CODE << 16) + UTS_UBUNTU_RELEASE_ABI)
#else
#define LTTNG_UBUNTU_VERSION_CODE 0
#endif
/* RHEL */
#define LTTNG_RHEL_KERNEL_VERSION(a, b, c, d, e, f) \
- (((LTTNG_KERNEL_VERSION(a, b, c)) * 10000000ULL) + ((d) * 10000) + ((e) * 100) + (f))
+ (((LTTNG_KERNEL_VERSION(a, b, c)) * 100000000ULL) + ((d) * 10000) + ((e) * 100) + (f))
#ifdef RHEL_API_VERSION
#define LTTNG_RHEL_VERSION_CODE \
- ((LTTNG_LINUX_VERSION_CODE * 10000000ULL) + RHEL_API_VERSION)
+ ((LTTNG_LINUX_VERSION_CODE * 100000000ULL) + RHEL_API_VERSION)
#else
#define LTTNG_RHEL_VERSION_CODE 0
#endif
/* SUSE Linux enterprise */
#define LTTNG_SLE_KERNEL_VERSION(a, b, c, d, e, f) \
- (((LTTNG_KERNEL_VERSION(a, b, c)) * 10000000ULL) + ((d) * 10000) + ((e) * 100) + (f))
+ (((LTTNG_KERNEL_VERSION(a, b, c)) * 100000000ULL) + ((d) * 100000) + ((e) * 100) + (f))
#ifdef SLE_API_VERSION
#define LTTNG_SLE_VERSION_CODE \
- ((LTTNG_LINUX_VERSION_CODE * 10000000ULL) + SLE_API_VERSION)
+ ((LTTNG_LINUX_VERSION_CODE * 100000000ULL) + SLE_API_VERSION)
#else
#define LTTNG_SLE_VERSION_CODE 0
#endif
/* RT patch */
#define LTTNG_RT_KERNEL_VERSION(a, b, c, d) \
- (((LTTNG_KERNEL_VERSION(a, b, c)) << 8) + (d))
+ (((LTTNG_KERNEL_VERSION(a, b, c)) << 16) + (d))
#ifdef RT_PATCH_VERSION
#define LTTNG_RT_VERSION_CODE \
- ((LTTNG_LINUX_VERSION_CODE << 8) + RT_PATCH_VERSION)
+ ((LTTNG_LINUX_VERSION_CODE << 16) + RT_PATCH_VERSION)
#else
#define LTTNG_RT_VERSION_CODE 0
#endif