The following commit has been merged into the timers/vdso branch of tip: Commit-ID: 82e6de7a4fe0826b813d91fd193d87625646c6d9 Gitweb: https://git.kernel.org/tip/82e6de7a4fe0826b813d91fd193d87625646c6d9 Author: Thomas Weißschuh <thomas.weissschuh@xxxxxxxxxxxxx> AuthorDate: Thu, 06 Mar 2025 15:07:21 +01:00 Committer: Ingo Molnar <mingo@xxxxxxxxxx> CommitterDate: Tue, 11 Mar 2025 09:49:16 +01:00 sparc/vdso: Always reject undefined references during linking Instead of using a custom script to detect and fail on undefined references, use --no-undefined for all VDSO linker invocations. Drop the now unused checkundef.sh script. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@xxxxxxxxxxxxx> Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> Link: https://lore.kernel.org/r/20250306-vdso-checkundef-v2-2-a26cc315fd73@xxxxxxxxxxxxx --- arch/sparc/vdso/Makefile | 7 +++---- arch/sparc/vdso/checkundef.sh | 10 ---------- 2 files changed, 3 insertions(+), 14 deletions(-) delete mode 100644 arch/sparc/vdso/checkundef.sh diff --git a/arch/sparc/vdso/Makefile b/arch/sparc/vdso/Makefile index 50ec297..fdc4a8f 100644 --- a/arch/sparc/vdso/Makefile +++ b/arch/sparc/vdso/Makefile @@ -22,7 +22,7 @@ targets += $(foreach x, 32 64, vdso-image-$(x).c vdso$(x).so vdso$(x).so.dbg) CPPFLAGS_vdso.lds += -P -C -VDSO_LDFLAGS_vdso.lds = -m elf64_sparc -soname linux-vdso.so.1 --no-undefined \ +VDSO_LDFLAGS_vdso.lds = -m elf64_sparc -soname linux-vdso.so.1 \ -z max-page-size=8192 $(obj)/vdso64.so.dbg: $(obj)/vdso.lds $(vobjs) FORCE @@ -101,7 +101,6 @@ $(obj)/vdso32.so.dbg: FORCE \ quiet_cmd_vdso = VDSO $@ cmd_vdso = $(LD) -nostdlib -o $@ \ $(VDSO_LDFLAGS) $(VDSO_LDFLAGS_$(filter %.lds,$(^F))) \ - -T $(filter %.lds,$^) $(filter %.o,$^) && \ - sh $(src)/checkundef.sh '$(OBJDUMP)' '$@' + -T $(filter %.lds,$^) $(filter %.o,$^) -VDSO_LDFLAGS = -shared --hash-style=both --build-id=sha1 -Bsymbolic +VDSO_LDFLAGS = -shared --hash-style=both --build-id=sha1 -Bsymbolic --no-undefined diff --git a/arch/sparc/vdso/checkundef.sh b/arch/sparc/vdso/checkundef.sh deleted file mode 100644 index 2d85876..0000000 --- a/arch/sparc/vdso/checkundef.sh +++ /dev/null @@ -1,10 +0,0 @@ -#!/bin/sh -objdump="$1" -file="$2" -$objdump -t "$file" | grep '*UUND*' | grep -v '#scratch' > /dev/null 2>&1 -if [ $? -eq 1 ]; then - exit 0 -else - echo "$file: undefined symbols found" >&2 - exit 1 -fi
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