linux-kernel - [PATCH] riscv: vdso: do not strip debugging info for vdso.so.dbg

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Date: Tue, 11 Jun 2024 12:09:47 +0800
From: Changbin Du <changbin.du@...wei.com>
To: Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt
	<palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>
CC: <linux-riscv@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
	Changbin Du <changbin.du@...wei.com>
Subject: [PATCH] riscv: vdso: do not strip debugging info for vdso.so.dbg

The vdso.so.dbg is a debug version of vdso and could be used for debugging
purpose. For example, perf-annotate requires debugging info to show source
lines. So let's keep its debugging info.

Signed-off-by: Changbin Du <changbin.du@...wei.com>
---
 arch/riscv/kernel/vdso/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/riscv/kernel/vdso/Makefile b/arch/riscv/kernel/vdso/Makefile
index f7ef8ad9b550..960feb1526ca 100644
--- a/arch/riscv/kernel/vdso/Makefile
+++ b/arch/riscv/kernel/vdso/Makefile
@@ -45,7 +45,7 @@ $(obj)/vdso.o: $(obj)/vdso.so
 # link rule for the .so file, .lds has to be first
 $(obj)/vdso.so.dbg: $(obj)/vdso.lds $(obj-vdso) FORCE
 	$(call if_changed,vdsold)
-LDFLAGS_vdso.so.dbg = -shared -S -soname=linux-vdso.so.1 \
+LDFLAGS_vdso.so.dbg = -shared -soname=linux-vdso.so.1 \
 	--build-id=sha1 --hash-style=both --eh-frame-hdr
 
 # strip rule for the .so file
-- 
2.34.1