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riscv: Check that vdso does not contain any dynamic relocations

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Like other architectures, use the common cmd_vdso_check to make sure of
that.

Reviewed-by: Björn Töpel <bjorn@rivosinc.com>
Tested-by: Vladimir Isaev <vladimir.isaev@syntacore.com>
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Reviewed-by: Guo Ren <guoren@kernel.org>
Link: https://lore.kernel.org/r/20241016083625.136311-3-alexghiti@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
This commit is contained in:
Alexandre Ghiti 2024-10-16 10:36:25 +02:00 committed by Palmer Dabbelt
parent bf40167d54
commit c6898d66fd
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1 changed files with 5 additions and 4 deletions
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9
arch/riscv/kernel/vdso/Makefile
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@ -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)
$(call if_changed,vdsold_and_check)
LDFLAGS_vdso.so.dbg = -shared -soname=linux-vdso.so.1 \
--build-id=sha1 --hash-style=both --eh-frame-hdr
@ -65,7 +65,8 @@ include/generated/vdso-offsets.h: $(obj)/vdso.so.dbg FORCE
# actual build commands
# The DSO images are built using a special linker script
# Make sure only to export the intended __vdso_xxx symbol offsets.
quiet_cmd_vdsold = VDSOLD $@
cmd_vdsold = $(LD) $(ld_flags) -T $(filter-out FORCE,$^) -o $@.tmp && \
quiet_cmd_vdsold_and_check = VDSOLD $@
cmd_vdsold_and_check = $(LD) $(ld_flags) -T $(filter-out FORCE,$^) -o $@.tmp && \
$(OBJCOPY) $(patsubst %, -G __vdso_%, $(vdso-syms)) $@.tmp $@ && \
rm $@.tmp
rm $@.tmp && \
$(cmd_vdso_check)