[CRIU] [PATCH 1/2] vdso: Introduce vdso engine

[Cyrill Gorcunov]

In this patch we prepare vDSO engine to be used further.
Basically what we need is some way to

 - parse runtime vDSO memory
 - patch vDSO area to redirect calls to a new place

So here we introduce arch-dependant functions for that.

Signed-off-by: Cyrill Gorcunov <gorcunov at openvz.org>
---
 arch/arm/include/asm/vdso.h |  13 +++
 arch/x86/Makefile           |   1 +
 arch/x86/crtools.c          |  40 +++++++++
 arch/x86/include/asm/vdso.h |  13 +++
 arch/x86/vdso.c             | 209 ++++++++++++++++++++++++++++++++++++++++++++
 include/vdso.h              |  62 +++++++++++++
 6 files changed, 338 insertions(+)
 create mode 100644 arch/arm/include/asm/vdso.h
 create mode 100644 arch/x86/include/asm/vdso.h
 create mode 100644 arch/x86/vdso.c
 create mode 100644 include/vdso.h

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