xen: XEN_DOMCTL_getpageframeinfo3 hypercall

Xen reads 'num' and the 'array' pointer from ARG1, and proceeds to read and
modify-in-place the entire userspace array.

From: Andrew Cooper <andrew.cooper3@citrix.com>
Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13733 a5019735-40e9-0310-863c-91ae7b9d1cf9
2 files changed