On Sat, Nov 23, 2013 at 12:48 AM, Mukesh Rathor
<mukesh.rathor@oracle.com> wrote:> Add pvh support to gdbsx so it can be used to debug pvh domUs.
>
> Signed-off-by: Mukesh Rathor <mukesh.rathor@oracle.com>
In theory the "pvh_guest" flag will go away at some point, but until
then:
Release-acked-by: George Dunlap <george.dunlap@eu.citrix.com>
> ---
> tools/debugger/gdbsx/xg/xg_main.c | 4 +++-
> 1 files changed, 3 insertions(+), 1 deletions(-)
>
> diff --git a/tools/debugger/gdbsx/xg/xg_main.c
b/tools/debugger/gdbsx/xg/xg_main.c
> index 64c7484..5736b86 100644
> --- a/tools/debugger/gdbsx/xg/xg_main.c
> +++ b/tools/debugger/gdbsx/xg/xg_main.c
> @@ -81,6 +81,7 @@ int xgtrc_on = 0;
> struct xen_domctl domctl; /* just use a global domctl */
>
> static int _hvm_guest; /* hvm guest? 32bit HVMs have 64bit
context */
> +static int _pvh_guest; /* PV guest in HVM container */
> static domid_t _dom_id; /* guest domid */
> static int _max_vcpu_id; /* thus max_vcpu_id+1 VCPUs */
> static int _dom0_fd; /* fd of /dev/privcmd */
> @@ -309,6 +310,7 @@ xg_attach(int domid, int guest_bitness)
>
> _max_vcpu_id = domctl.u.getdomaininfo.max_vcpu_id;
> _hvm_guest = (domctl.u.getdomaininfo.flags &
XEN_DOMINF_hvm_guest);
> + _pvh_guest = (domctl.u.getdomaininfo.flags &
XEN_DOMINF_pvh_guest);
> return _max_vcpu_id;
> }
>
> @@ -369,7 +371,7 @@ _change_TF(vcpuid_t which_vcpu, int guest_bitness, int
setit)
> int sz = sizeof(anyc);
>
> /* first try the MTF for hvm guest. otherwise do manually */
> - if (_hvm_guest) {
> + if (_hvm_guest || _pvh_guest) {
> domctl.u.debug_op.vcpu = which_vcpu;
> domctl.u.debug_op.op = setit ? XEN_DOMCTL_DEBUG_OP_SINGLE_STEP_ON
:
>
XEN_DOMCTL_DEBUG_OP_SINGLE_STEP_OFF;
> --
> 1.7.2.3
>
>
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