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Re: [Xen-devel] [PATCH v2 10/13] xen_hello_world.xsplice: Test payload for patching 'xen_extra_version'.
- To: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>, <mpohlack@xxxxxxxxxx>, <andrew.cooper3@xxxxxxxxxx>, <stefano.stabellini@xxxxxxxxxx>, <jbeulich@xxxxxxxx>, <ian.jackson@xxxxxxxxxxxxx>, <ian.campbell@xxxxxxxxxx>, <wei.liu2@xxxxxxxxxx>, <sasha.levin@xxxxxxxxxx>
- From: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>
- Date: Tue, 19 Jan 2016 16:47:28 +0000
- Delivery-date: Tue, 19 Jan 2016 16:47:41 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
On 01/14/2016 09:47 PM, Konrad Rzeszutek Wilk wrote:
snip
diff --git a/tools/misc/xen_hello_world.c b/tools/misc/xen_hello_world.c
new file mode 100644
index 0000000..8c24d8f
--- /dev/null
+++ b/tools/misc/xen_hello_world.c
@@ -0,0 +1,15 @@
+#include "xsplice.h"
+
+/* Our replacement function for xen_extra_version. */
+const char *xen_hello_world(void)
+{
+ return "Hello World";
+}
+
+struct xsplice_patch_func xsplice_hello_world = {
+ .name = "xen_extra_version",
+ .new_addr = &xen_hello_world,
This line introduces a warning:
xen_hello_world.c:11:17: warning: initialization makes integer from
pointer without a cast [-Wint-conversion]
.new_addr = &xen_hello_world,
^
xen_hello_world.c:11:17: note: (near initialization for
‘xsplice_hello_world.new_addr’)
--
Ross Lagerwall
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