diff options
Diffstat (limited to 'arch/x86/um/vdso/Makefile')
| -rw-r--r-- | arch/x86/um/vdso/Makefile | 32 |
1 files changed, 6 insertions, 26 deletions
diff --git a/arch/x86/um/vdso/Makefile b/arch/x86/um/vdso/Makefile index bf94060fc06f..8a7c8b37cb6e 100644 --- a/arch/x86/um/vdso/Makefile +++ b/arch/x86/um/vdso/Makefile @@ -3,19 +3,13 @@ # Building vDSO images for x86. # -# Prevents link failures: __sanitizer_cov_trace_pc() is not linked in. -KCOV_INSTRUMENT := n - -VDSO64-y := y - -vdso-install-$(VDSO64-y) += vdso.so - +vdso-install-y += vdso.so # files to link into the vdso vobjs-y := vdso-note.o um_vdso.o # files to link into kernel -obj-$(VDSO64-y) += vdso.o vma.o +obj-y += vdso.o vma.o vobjs := $(foreach F,$(vobjs-y),$(obj)/$F) @@ -42,7 +36,7 @@ $(obj)/%.so: $(obj)/%.so.dbg FORCE # optimize sibling calls. # CFL := $(PROFILING) -mcmodel=small -fPIC -O2 -fasynchronous-unwind-tables -m64 \ - $(filter -g%,$(KBUILD_CFLAGS)) $(call cc-option, -fno-stack-protector) \ + $(filter -g%,$(KBUILD_CFLAGS)) -fno-stack-protector \ -fno-omit-frame-pointer -foptimize-sibling-calls $(vobjs): KBUILD_CFLAGS += $(CFL) @@ -58,21 +52,7 @@ CFLAGS_REMOVE_um_vdso.o = -pg -fprofile-arcs -ftest-coverage # quiet_cmd_vdso = VDSO $@ cmd_vdso = $(CC) -nostdlib -o $@ \ - $(VDSO_LDFLAGS) $(VDSO_LDFLAGS_$(filter %.lds,$(^F))) \ - -Wl,-T,$(filter %.lds,$^) $(filter %.o,$^) && \ - sh $(srctree)/$(src)/checkundef.sh '$(NM)' '$@' + $(CC_FLAGS_LTO) $(VDSO_LDFLAGS) $(VDSO_LDFLAGS_$(filter %.lds,$(^F))) \ + -Wl,-T,$(filter %.lds,$^) $(filter %.o,$^) -VDSO_LDFLAGS = -fPIC -shared $(call cc-ldoption, -Wl$(comma)--hash-style=sysv) -GCOV_PROFILE := n - -# -# Install the unstripped copy of vdso*.so listed in $(vdso-install-y). -# -quiet_cmd_vdso_install = INSTALL $@ - cmd_vdso_install = cp $(obj)/$@.dbg $(MODLIB)/vdso/$@ -$(vdso-install-y): %.so: $(obj)/%.so.dbg FORCE - @mkdir -p $(MODLIB)/vdso - $(call cmd,vdso_install) - -PHONY += vdso_install $(vdso-install-y) -vdso_install: $(vdso-install-y) +VDSO_LDFLAGS = -fPIC -shared -Wl,--hash-style=sysv -z noexecstack -Wl,--no-undefined |