diff options
Diffstat (limited to 'arch/arm/vdso/Makefile')
-rw-r--r-- | arch/arm/vdso/Makefile | 43 |
1 files changed, 9 insertions, 34 deletions
diff --git a/arch/arm/vdso/Makefile b/arch/arm/vdso/Makefile index 0fda344beb0b..d761bd2e2f40 100644 --- a/arch/arm/vdso/Makefile +++ b/arch/arm/vdso/Makefile @@ -1,11 +1,9 @@ # SPDX-License-Identifier: GPL-2.0 -# Absolute relocation type $(ARCH_REL_TYPE_ABS) needs to be defined before -# the inclusion of generic Makefile. -ARCH_REL_TYPE_ABS := R_ARM_JUMP_SLOT|R_ARM_GLOB_DAT|R_ARM_ABS32 +# Include the generic Makefile to check the built vdso. include $(srctree)/lib/vdso/Makefile -hostprogs-y := vdsomunge +hostprogs := vdsomunge obj-vdso := vgettimeofday.o datapage.o note.o @@ -14,22 +12,21 @@ targets := $(obj-vdso) vdso.so vdso.so.dbg vdso.so.raw vdso.lds obj-vdso := $(addprefix $(obj)/, $(obj-vdso)) ccflags-y := -fPIC -fno-common -fno-builtin -fno-stack-protector -ccflags-y += -DDISABLE_BRANCH_PROFILING +ccflags-y += -DDISABLE_BRANCH_PROFILING -DBUILD_VDSO32 ldflags-$(CONFIG_CPU_ENDIAN_BE8) := --be8 ldflags-y := -Bsymbolic --no-undefined -soname=linux-vdso.so.1 \ - -z max-page-size=4096 -nostdlib -shared $(ldflags-y) \ - --hash-style=sysv --build-id \ + -z max-page-size=4096 -shared $(ldflags-y) \ + --hash-style=sysv --build-id=sha1 \ -T obj-$(CONFIG_VDSO) += vdso.o -extra-$(CONFIG_VDSO) += vdso.lds CPPFLAGS_vdso.lds += -P -C -U$(ARCH) CFLAGS_REMOVE_vdso.o = -pg # Force -O2 to avoid libgcc dependencies -CFLAGS_REMOVE_vgettimeofday.o = -pg -Os +CFLAGS_REMOVE_vgettimeofday.o = -pg -Os $(RANDSTRUCT_CFLAGS) $(GCC_PLUGINS_CFLAGS) ifeq ($(c-gettimeofday-y),) CFLAGS_vgettimeofday.o = -O2 else @@ -38,10 +35,13 @@ endif # Disable gcov profiling for VDSO code GCOV_PROFILE := n +UBSAN_SANITIZE := n # Prevents link failures: __sanitizer_cov_trace_pc() is not linked in. KCOV_INSTRUMENT := n +KASAN_SANITIZE := n + # Force dependency $(obj)/vdso.o : $(obj)/vdso.so @@ -63,28 +63,3 @@ quiet_cmd_vdsold_and_vdso_check = LD $@ quiet_cmd_vdsomunge = MUNGE $@ cmd_vdsomunge = $(objtree)/$(obj)/vdsomunge $< $@ - -# -# Install the unstripped copy of vdso.so.dbg. If our toolchain -# supports build-id, install .build-id links as well. -# -# Cribbed from arch/x86/vdso/Makefile. -# -quiet_cmd_vdso_install = INSTALL $< -define cmd_vdso_install - cp $< "$(MODLIB)/vdso/vdso.so"; \ - if readelf -n $< | grep -q 'Build ID'; then \ - buildid=`readelf -n $< |grep 'Build ID' |sed -e 's/^.*Build ID: \(.*\)$$/\1/'`; \ - first=`echo $$buildid | cut -b-2`; \ - last=`echo $$buildid | cut -b3-`; \ - mkdir -p "$(MODLIB)/vdso/.build-id/$$first"; \ - ln -sf "../../vdso.so" "$(MODLIB)/vdso/.build-id/$$first/$$last.debug"; \ - fi -endef - -$(MODLIB)/vdso: FORCE - @mkdir -p $(MODLIB)/vdso - -PHONY += vdso_install -vdso_install: $(obj)/vdso.so.dbg $(MODLIB)/vdso - $(call cmd,vdso_install) |