linux-kernel - [PATCH] scripts/gdb: Ensure the absolute path is generated on initial source

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Message-Id: <20220712110003.1400015-1-atomlin@redhat.com>
Date:   Tue, 12 Jul 2022 12:00:03 +0100
From:   Aaron Tomlin <atomlin@...hat.com>
To:     jan.kiszka@...mens.com, kbingham@...nel.org
Cc:     atomlin@...mlin.com, linux-kernel@...r.kernel.org
Subject: [PATCH] scripts/gdb: Ensure the absolute path is generated on initial source

Post 'make scripts_gdb' a symbolic link to scripts/gdb/vmlinux-gdb.py
is created. Currently 'os.path.dirname(__file__)' does not generate
the absolute path to scripts/gdb resulting in the following:

    (gdb) source vmlinux-gdb.py
    Traceback (most recent call last):
      File "scripts/gdb/vmlinux-gdb.py", line 25, in <module>
	import linux.utils
    ModuleNotFoundError: No module named 'linux'

This patch ensures that the absolute path to scripts/gdb in relation to
the given file is generated so each module can be located accordingly.

Signed-off-by: Aaron Tomlin <atomlin@...hat.com>
---
 scripts/gdb/vmlinux-gdb.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/scripts/gdb/vmlinux-gdb.py b/scripts/gdb/vmlinux-gdb.py
index 4136dc2c59df..8d84e5968d30 100644
--- a/scripts/gdb/vmlinux-gdb.py
+++ b/scripts/gdb/vmlinux-gdb.py
@@ -13,7 +13,8 @@
 
 import os
 
-sys.path.insert(0, os.path.dirname(__file__) + "/scripts/gdb")
+sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)) + "/scripts/gdb")
+print(sys.path)
 
 try:
     gdb.parse_and_eval("0")
-- 
2.34.3