diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2017-06-22 22:39:29 +1000 |
|---|---|---|
| committer | Masahiro Yamada <yamada.masahiro@socionext.com> | 2017-06-30 09:03:04 +0900 |
| commit | d6d62a1c1e2276ee6fb4c25610dbcb39beb62240 (patch) | |
| tree | a89d914b09d6ea2d80082516b8bda6d341ebeae8 /arch/tile/kernel | |
| parent | 26160371359ea91d8e2bdad6245f39e7ed0c17a3 (diff) | |
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 <cmetcalf@mellanox.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'arch/tile/kernel')
| -rw-r--r-- | arch/tile/kernel/vdso/Makefile | 14 |
1 files 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 |