diff options
Diffstat (limited to 'arch/um/sys-x86_64/vdso/Makefile')
-rw-r--r-- | arch/um/sys-x86_64/vdso/Makefile | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/arch/um/sys-x86_64/vdso/Makefile b/arch/um/sys-x86_64/vdso/Makefile deleted file mode 100644 index 5dffe6d..0000000 --- a/arch/um/sys-x86_64/vdso/Makefile +++ /dev/null @@ -1,90 +0,0 @@ -# -# Building vDSO images for x86. -# - -VDSO64-y := y - -vdso-install-$(VDSO64-y) += vdso.so - - -# files to link into the vdso -vobjs-y := vdso-note.o um_vdso.o - -# files to link into kernel -obj-$(VDSO64-y) += vdso.o vma.o - -vobjs := $(foreach F,$(vobjs-y),$(obj)/$F) - -$(obj)/vdso.o: $(obj)/vdso.so - -targets += vdso.so vdso.so.dbg vdso.lds $(vobjs-y) - -export CPPFLAGS_vdso.lds += -P -C - -VDSO_LDFLAGS_vdso.lds = -m64 -Wl,-soname=linux-vdso.so.1 \ - -Wl,-z,max-page-size=4096 -Wl,-z,common-page-size=4096 - -$(obj)/vdso.o: $(src)/vdso.S $(obj)/vdso.so - -$(obj)/vdso.so.dbg: $(src)/vdso.lds $(vobjs) FORCE - $(call if_changed,vdso) - -$(obj)/%.so: OBJCOPYFLAGS := -S -$(obj)/%.so: $(obj)/%.so.dbg FORCE - $(call if_changed,objcopy) - -# -# Don't omit frame pointers for ease of userspace debugging, but do -# optimize sibling calls. -# -CFL := $(PROFILING) -mcmodel=small -fPIC -O2 -fasynchronous-unwind-tables -m64 \ - $(filter -g%,$(KBUILD_CFLAGS)) $(call cc-option, -fno-stack-protector) \ - -fno-omit-frame-pointer -foptimize-sibling-calls - -$(vobjs): KBUILD_CFLAGS += $(CFL) - -# -# vDSO code runs in userspace and -pg doesn't help with profiling anyway. -# -CFLAGS_REMOVE_vdso-note.o = -pg -CFLAGS_REMOVE_um_vdso.o = -pg - -targets += vdso-syms.lds -obj-$(VDSO64-y) += vdso-syms.lds - -# -# Match symbols in the DSO that look like VDSO*; produce a file of constants. -# -sed-vdsosym := -e 's/^00*/0/' \ - -e 's/^\([0-9a-fA-F]*\) . \(VDSO[a-zA-Z0-9_]*\)$$/\2 = 0x\1;/p' -quiet_cmd_vdsosym = VDSOSYM $@ -define cmd_vdsosym - $(NM) $< | LC_ALL=C sed -n $(sed-vdsosym) | LC_ALL=C sort > $@ -endef - -$(obj)/%-syms.lds: $(obj)/%.so.dbg FORCE - $(call if_changed,vdsosym) - -# -# The DSO images are built using a special linker script. -# -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 '$(NM)' '$@' - -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) |