[Crash-utility] [PATCH] xen: Handle rename of dom0 symbol in Xen 4.5.0

[Don Slutz]

Has been replaced by hardware_domain.

Xen tracking:

commit c86ccbf0b7976ac0093bef4e4e43005771c0f829
Author: Daniel De Graaf <dgdegra at tycho.nsa.gov>
Date:   Fri Apr 11 11:20:55 2014 +0200

    rename dom0 to hardware_domain

Signed-off-by: Don Slutz <dslutz at verizon.com>
---
I do have a big (32G sized file, that gzipped is 357M).
let me know if you want it.

 xen_hyper.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/xen_hyper.c b/xen_hyper.c
index db297ff..c02842b 100644
--- a/xen_hyper.c
+++ b/xen_hyper.c
@@ -1036,7 +1036,9 @@ xen_hyper_get_domains(void)
 	long domain_next_in_list;
 	int i, j;
 
-	get_symbol_data("dom0", sizeof(void *), &domain);
+	i = try_get_symbol_data("dom0", sizeof(void *), &domain);
+	if (!i)
+		get_symbol_data("hardware_domain", sizeof(void *), &domain);
 	domain_next_in_list = MEMBER_OFFSET("domain", "next_in_list");
 	i = 0;
 	while (domain != 0) {
@@ -1077,7 +1079,9 @@ xen_hyper_get_domain_next(int mod, ulong *next)
 		if (xhdt->dom0) {
 			*next = xhdt->dom0->domain;
 		} else {
-			get_symbol_data("dom0", sizeof(void *), next);
+			int ok = try_get_symbol_data("dom0", sizeof(void *), next);
+			if (!ok)
+				get_symbol_data("hardware_domain", sizeof(void *), next);
 		}
 		return xhdt->domain_struct;
 		break;
-- 
1.8.4