linux-kernel - [PATCH] scripts/gdb: Handle split debug for vmlinux

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Message-Id: <20211028140833.1.Ie6bd5a232f770acd8c9ffae487a02170bad3e963@changeid>
Date:   Thu, 28 Oct 2021 14:08:49 -0700
From:   Douglas Anderson <dianders@...omium.org>
To:     Jan Kiszka <jan.kiszka@...mens.com>,
        Kieran Bingham <kbingham@...nel.org>
Cc:     Douglas Anderson <dianders@...omium.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Johannes Berg <johannes.berg@...el.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] scripts/gdb: Handle split debug for vmlinux

This is related to two previous changes. Commit dfe4529ee4d3
("scripts/gdb: find vmlinux where it was before") and commit
da036ae14762 ("scripts/gdb: handle split debug").

Although Chrome OS has been using the debug suffix for modules for a
while, it has just recently started using it for vmlinux as well. That
means we've now got to improve the detection of "vmlinux" to also
handle that it might end with ".debug".

Cc: Stephen Boyd <swboyd@...omium.org>
Signed-off-by: Douglas Anderson <dianders@...omium.org>
---

 scripts/gdb/linux/symbols.py | 3 ++-
 scripts/gdb/vmlinux-gdb.py   | 0
 2 files changed, 2 insertions(+), 1 deletion(-)
 mode change 100644 => 100755 scripts/gdb/vmlinux-gdb.py

diff --git a/scripts/gdb/linux/symbols.py b/scripts/gdb/linux/symbols.py
index 08d264ac328b..46f7542db08c 100644
--- a/scripts/gdb/linux/symbols.py
+++ b/scripts/gdb/linux/symbols.py
@@ -148,7 +148,8 @@ lx-symbols command."""
         # drop all current symbols and reload vmlinux
         orig_vmlinux = 'vmlinux'
         for obj in gdb.objfiles():
-            if obj.filename.endswith('vmlinux'):
+            if (obj.filename.endswith('vmlinux') or
+                obj.filename.endswith('vmlinux.debug')):
                 orig_vmlinux = obj.filename
         gdb.execute("symbol-file", to_string=True)
         gdb.execute("symbol-file {0}".format(orig_vmlinux))
diff --git a/scripts/gdb/vmlinux-gdb.py b/scripts/gdb/vmlinux-gdb.py
old mode 100644
new mode 100755
-- 
2.33.0.1079.g6e70778dc9-goog