perf symbols: Record text offset in dso to calculate objdump address
Store DSO's .text offset into DSO, used for VDSOs and will also be used for other needs, like handling kernel modules. Signed-off-by: Wang Nan <wangnan0@huawei.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Cody P Schafer <dev@codyps.com> Cc: He Kuang <hekuang@huawei.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kirill Smelkov <kirr@nexedi.com> Cc: Li Zefan <lizefan@huawei.com> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: pi3orama@163.com Link: http://lkml.kernel.org/r/1456479154-136027-2-git-send-email-wangnan0@huawei.com [ Extracted from larger patch ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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