[Xen-devel] [PATCH v3 17/23] xsplice: Print dependency and payloads build_id in the keyhandler.

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
---
 xen/common/xsplice.c | 36 ++++++++++++++++++++++++++++--------
 1 file changed, 28 insertions(+), 8 deletions(-)

diff --git a/xen/common/xsplice.c b/xen/common/xsplice.c
index 2ba5bb5..8c5557e 100644
--- a/xen/common/xsplice.c
+++ b/xen/common/xsplice.c
@@ -101,6 +101,21 @@ static const char *state2str(int32_t state)
     return names[state];
 }
 
+static void xsplice_print_build_id(char *id, unsigned int len)
+{
+    unsigned int i;
+
+    if ( !len )
+        return;
+
+    for ( i = 0; i < len; i++ )
+    {
+        uint8_t c = id[i];
+        printk("%02x", c);
+    }
+    printk("\n");
+}
+
 static void xsplice_printall(unsigned char key)
 {
     struct payload *data;
@@ -111,14 +126,9 @@ static void xsplice_printall(unsigned char key)
     rc = xen_build_id(&binary_id, &len);
     printk("build-id: ");
     if ( !rc )
-    {
-        for ( i = 0; i < len; i++ )
-        {
-                   uint8_t c = binary_id[i];
-                   printk("%02x", c);
-        }
-           printk("\n");
-    } else if ( rc < 0 )
+        xsplice_print_build_id(binary_id, len);
+
+    else if ( rc < 0 )
         printk("rc = %d\n", rc);
 
     spin_lock(&payload_lock);
@@ -135,6 +145,16 @@ static void xsplice_printall(unsigned char key)
             printk("    %s patch 0x%"PRIx64"(%u) with 0x%"PRIx64"(%u)\n",
                    f->name, f->old_addr, f->old_size, f->new_addr, 
f->new_size);
         }
+        if ( data->id.len )
+        {
+            printk(" build_id=");
+            xsplice_print_build_id(data->id.p, data->id.len);
+        }
+        if ( data->dep.len )
+        {
+            printk(" depend on=");
+            xsplice_print_build_id(data->dep.p, data->dep.len);
+        }
     }
     spin_unlock(&payload_lock);
 }
-- 
2.1.0


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