From fc2f5f10f9bc5e58d38e9fda7dae107ac04a799f Mon Sep 17 00:00:00 2001
From: Jens Remus <jremus@linux.ibm.com>
Date: Mon, 29 Apr 2024 17:02:53 +0200
Subject: [PATCH] s390/vdso: Create .build-id links for unstripped vdso files
Citing Andy Lutomirski from commit dda1e95cee38 ("x86/vdso: Create
.build-id links for unstripped vdso files"):
"With this change, doing 'make vdso_install' and telling gdb:
set debug-file-directory /lib/modules/KVER/vdso
will enable vdso debugging with symbols. This is useful for
testing, but kernel RPM builds will probably want to manually delete
these symlinks or otherwise do something sensible when they strip
the vdso/*.so files."
Fixes: 4bff8cb54502 ("s390: convert to GENERIC_VDSO")
Signed-off-by: Jens Remus <jremus@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
---
scripts/Makefile.vdsoinst | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/scripts/Makefile.vdsoinst b/scripts/Makefile.vdsoinst
index c477d17b0aa5b..a81ca735003e4 100644
--- a/scripts/Makefile.vdsoinst
+++ b/scripts/Makefile.vdsoinst
@@ -21,7 +21,7 @@ $$(dest): $$(src) FORCE
$$(call cmd,install)
# Some architectures create .build-id symlinks
-ifneq ($(filter arm sparc x86, $(SRCARCH)),)
+ifneq ($(filter arm s390 sparc x86, $(SRCARCH)),)
link := $(install-dir)/.build-id/$$(shell $(READELF) -n $$(src) | sed -n 's@^.*Build ID: \(..\)\(.*\)@\1/\2@p').debug
__default: $$(link)
--
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