[PATCH v2 00/16] perf: various symbol resolution fixes, including .opd section use.

[Cody P Schafer]

1-4,6,7 are small cleanups.

5 fixes a potential segfault.

8 fixes a use after free for dso->long_name

9 avoids a segfault in elfutils when a truncated elf is loaded.

10 properly tracks that a dso had symbols loaded from a vmlinux image

11-16 fix handling of the '.opd' section in the presence of debuginfo. They
      should also fix plt symbol synthesis (haven't seen the plt issues in
      practice).

--

Changes from v1:
 - rebased on top of
   git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git  perf/core
 - In #2, make the symbols have size 0 instead of 1.

--

 tools/perf/util/event.c          |   2 +-
 tools/perf/util/map.c            |   8 --
 tools/perf/util/map.h            |   1 -
 tools/perf/util/symbol-elf.c     | 182 ++++++++++++++++++++++++++-------------
 tools/perf/util/symbol-minimal.c |  48 +++++++++--
 tools/perf/util/symbol.c         | 136 +++++++++++++++++------------
 tools/perf/util/symbol.h         |  49 +++++++++--
 7 files changed, 290 insertions(+), 136 deletions(-)

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