[CRIU] [PATCH 06/13] vdso: Introduce vdso pie-engine

[Cyrill Gorcunov]

It's quite minimal at moment and provides only two helpers

 - vdso_redirect_calls, to patch vdso area redirectling
   calls to some new place.

 - vdso_fill_symtable, to parse vma area as vdso library
   and fill symbols table with offsets and names.

Because these routines will be needed in both regular criu
code and restorer code -- we compile it in pie format.

Signed-off-by: Cyrill Gorcunov <gorcunov at openvz.org>
---
 include/vdso.h |  67 ++++++++++++++++
 pie/Makefile   |   1 +
 pie/vdso.c     | 241 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 309 insertions(+)
 create mode 100644 include/vdso.h
 create mode 100644 pie/vdso.c

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