linux-kernel - [PATCHv4 06/12] scripts/gdb: Provide a dentry

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Message-Id: <1459339251-29611-7-git-send-email-kieran.bingham@linaro.org>
Date:	Wed, 30 Mar 2016 13:00:45 +0100
From:	Kieran Bingham <kieran.bingham@...aro.org>
To:	jan.kiszka@...mens.com, linux-kernel@...r.kernel.org
Cc:	lee.jones@...aro.org, peter.griffin@...aro.org,
	maxime.coquelin@...com, Kieran Bingham <kieran.bingham@...aro.org>
Subject: [PATCHv4 06/12] scripts/gdb: Provide a dentry_name VFS path helper

Walk the VFS entries, pre-pending the iname strings to generate a full
VFS path name from a dentry.

Signed-off-by: Kieran Bingham <kieran.bingham@...aro.org>

---
Changes since v2:
 - dentry_name separated out from proc module for use elsewhere
---
 scripts/gdb/linux/utils.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/scripts/gdb/linux/utils.py b/scripts/gdb/linux/utils.py
index dbe2ad78048c..de03a6b505bb 100644
--- a/scripts/gdb/linux/utils.py
+++ b/scripts/gdb/linux/utils.py
@@ -161,3 +161,11 @@ def gdb_eval_or_none(expresssion):
         return gdb.parse_and_eval(expresssion)
     except:
         return None
+
+
+def dentry_name(d):
+    parent = d['d_parent']
+    if parent == d or parent == 0:
+        return ""
+    p = dentry_name(d['d_parent']) + "/"
+    return p + d['d_iname'].string()
-- 
2.5.0