The VDSO symbols can't be linked into built-in.o when building with
thin archives, so change this to linking a new object file that is
included into the built-in.o.
Cc: Chris Metcalf <cmetcalf@xxxxxxxxxxxx>
Signed-off-by: Nicholas Piggin <npiggin@xxxxxxxxx>
---
arch/tile/kernel/vdso/Makefile | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/arch/tile/kernel/vdso/Makefile b/arch/tile/kernel/vdso/Makefile
index c54fff37b5ff..e140472d5be6 100644
--- a/arch/tile/kernel/vdso/Makefile
+++ b/arch/tile/kernel/vdso/Makefile
@@ -11,7 +11,7 @@ obj-vdso := $(addprefix $(obj)/, $(obj-vdso))
# vdso32 is only for tilegx -m32 compat task.
VDSO32-$(CONFIG_COMPAT) := y
-obj-y += vdso.o
+obj-y += vdso.o vdso-syms.o
obj-$(VDSO32-y) += vdso32.o
extra-y += vdso.lds
CPPFLAGS_vdso.lds += -P -C -U$(ARCH)
@@ -49,16 +49,18 @@ $(obj)/vdso.so.dbg: $(src)/vdso.lds $(obj-vdso)
# We also create a special relocatable object that should mirror the symbol
# table and layout of the linked DSO. With ld -R we can then refer to
# these symbols in the kernel code rather than hand-coded addresses.
-extra-y += vdso-syms.o
-$(obj)/built-in.o: $(obj)/vdso-syms.o
-$(obj)/built-in.o: ld_flags += -R $(obj)/vdso-syms.o
SYSCFLAGS_vdso.so.dbg = -shared -s -Wl,-soname=linux-vdso.so.1 \
$(call cc-ldoption, -Wl$(comma)--hash-style=both)
-SYSCFLAGS_vdso_syms.o = -r
-$(obj)/vdso-syms.o: $(src)/vdso.lds $(obj)/vrt_sigreturn.o FORCE
+SYSCFLAGS_vdso_dummy.o = -r
+$(obj)/vdso-dummy.o: $(src)/vdso.lds $(obj)/vrt_sigreturn.o FORCE
$(call if_changed,vdsold)
+quiet_cmd_vdso_sym = VDSOSYM $@
+ cmd_vdso_sym = $(LD) -r -R $(obj)/vdso-dummy.o -o $@
+
+$(obj)/vdso-syms.o: $(obj)/vdso-dummy.o
+ $(call if_changed,vdso_sym)
# strip rule for the .so file
$(obj)/%.so: OBJCOPYFLAGS := -S
--
2.11.0
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