On 5/17/15 3:56 AM, Wang Nan wrote:
Expand bpf_obj_elf_collect() to collect license and kernel version
information in eBPF object file. eBPF object file should have a section
named 'license', which contains a string. It should also have a section
named 'version', contains a u32 LINUX_VERSION_CODE.

bpf_obj_validate() is introduced to validate object file after loaded.
Currently it only check existance of 'version' section.

Signed-off-by: Wang Nan <wangn...@huawei.com>
...
+#ifdef min
+# undef min
+#endif
+#define min(x, y) ({                           \
+       typeof(x) _min1 = (x);                  \
+       typeof(y) _min2 = (y);                  \
+       (void) (&_min1 == &_min2);              \
+       _min1 < _min2 ? _min1 : _min2; })
+

copy-paste from lib traceevent?
there is another container_of copy-paste later in the patches.
please use something like tools/lib/bpf/utils.h file for such
things, so we can consolidate and share this code later.

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