valgrind support for xen4.7+

Commit Message

Olaf Hering July 5, 2017, 6:59 a.m. UTC

On Wed, Apr 12, Glenn Enright wrote:

> Has anyone seen or been working on patches for valgrind for recent versions
> of xen?

Upstream requires paperwork, via kde.org bugzilla. This is my variant,
which is enough to run 'xl create' with valgrind.

Olaf


Olaf

Patch

--- coregrind/m_syswrap/syswrap-xen.c.orig
+++ coregrind/m_syswrap/syswrap-xen.c
@@ -584,6 +584,8 @@  PRE(sysctl) {
    case 0x00000009:
    case 0x0000000a:
    case 0x0000000b:
+   case 0x0000000c:
+   case 0x0000000d:
 	   break;
    default:
       bad_intf_version(tid, layout, arrghs, status, flags,
@@ -626,6 +628,8 @@  PRE(sysctl) {
 	 break;
       case 0x0000000a:
       case 0x0000000b:
+      case 0x0000000c:
+      case 0x0000000d:
 	 PRE_XEN_SYSCTL_READ(getdomaininfolist_0000000a, first_domain);
 	 PRE_XEN_SYSCTL_READ(getdomaininfolist_0000000a, max_domains);
 	 PRE_XEN_SYSCTL_READ(getdomaininfolist_0000000a, buffer);
@@ -728,6 +732,9 @@  PRE(domctl)
    case 0x00000008:
    case 0x00000009:
    case 0x0000000a:
+   case 0x0000000b:
+   case 0x0000000c:
+   case 0x0000000d:
 	   break;
    default:
       bad_intf_version(tid, layout, arrghs, status, flags,
@@ -1534,6 +1541,8 @@  POST(sysctl)
    case 0x00000009:
    case 0x0000000a:
    case 0x0000000b:
+   case 0x0000000c:
+   case 0x0000000d:
 	   break;
    default:
       return;
@@ -1568,6 +1577,8 @@  POST(sysctl)
 	 break;
       case 0x0000000a:
       case 0x0000000b:
+      case 0x0000000c:
+      case 0x0000000d:
 	 POST_XEN_SYSCTL_WRITE(getdomaininfolist_0000000a, num_domains);
 	 POST_MEM_WRITE((Addr)sysctl->u.getdomaininfolist_0000000a.buffer.p,
 			sizeof(*sysctl->u.getdomaininfolist_0000000a.buffer.p)