From d6d62a1c1e2276ee6fb4c25610dbcb39beb62240 Mon Sep 17 00:00:00 2001 From: Nicholas Piggin Date: Thu, 22 Jun 2017 22:39:29 +1000 Subject: tile: thin archives fix linking 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 Signed-off-by: Nicholas Piggin Signed-off-by: Masahiro Yamada --- arch/tile/kernel/vdso/Makefile | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/arch/tile/kernel/vdso/Makefile b/arch/tile/kernel/vdso/Makefile index cf162a23e866..0603ce6f047c 100644 --- a/arch/tile/kernel/vdso/Makefile +++ b/arch/tile/kernel/vdso/Makefile @@ -5,13 +5,13 @@ vdso-syms = rt_sigreturn gettimeofday obj-vdso = $(patsubst %, v%.o, $(vdso-syms)) # Build rules -targets := $(obj-vdso) vdso.so vdso.so.dbg vdso.lds +targets := $(obj-vdso) vdso.so vdso.so.dbg vdso.lds vdso-dummy.o 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) @@ -48,16 +48,16 @@ $(obj)/vdso.so.dbg: $(src)/vdso.lds $(obj-vdso) FORCE # We also create a special relocatable object that should mirror the symbol # table and layout of the linked DSO. With ld -R we can then refer to # these symbols in the kernel code rather than hand-coded addresses. -extra-y += vdso-syms.o -$(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 $(call if_changed,vdsold) +LDFLAGS_vdso-syms.o := -r -R +$(obj)/vdso-syms.o: $(obj)/vdso-dummy.o FORCE + $(call if_changed,ld) # strip rule for the .so file $(obj)/%.so: OBJCOPYFLAGS := -S -- cgit