mirror of
https://github.com/torvalds/linux.git
synced 2024-11-17 09:31:50 +00:00
e37b3dd063
s390x GCC and SystemZ Clang have ThreadSanitizer support now [1] [2], so enable KCSAN for s390. [1] https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=ea22954e7c58 [2] https://reviews.llvm.org/D105629 Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
86 lines
2.6 KiB
Makefile
86 lines
2.6 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
|
|
# List of files in the vdso
|
|
|
|
KCOV_INSTRUMENT := n
|
|
ARCH_REL_TYPE_ABS := R_390_COPY|R_390_GLOB_DAT|R_390_JMP_SLOT|R_390_RELATIVE
|
|
ARCH_REL_TYPE_ABS += R_390_GOT|R_390_PLT
|
|
|
|
include $(srctree)/lib/vdso/Makefile
|
|
obj-vdso64 = vdso_user_wrapper.o note.o
|
|
obj-cvdso64 = vdso64_generic.o getcpu.o
|
|
CFLAGS_REMOVE_getcpu.o = -pg $(CC_FLAGS_FTRACE) $(CC_FLAGS_EXPOLINE)
|
|
CFLAGS_REMOVE_vdso64_generic.o = -pg $(CC_FLAGS_FTRACE) $(CC_FLAGS_EXPOLINE)
|
|
|
|
# Build rules
|
|
|
|
targets := $(obj-vdso64) $(obj-cvdso64) vdso64.so vdso64.so.dbg
|
|
obj-vdso64 := $(addprefix $(obj)/, $(obj-vdso64))
|
|
obj-cvdso64 := $(addprefix $(obj)/, $(obj-cvdso64))
|
|
|
|
KBUILD_AFLAGS += -DBUILD_VDSO
|
|
KBUILD_CFLAGS += -DBUILD_VDSO -DDISABLE_BRANCH_PROFILING
|
|
|
|
KBUILD_AFLAGS_64 := $(filter-out -m64,$(KBUILD_AFLAGS))
|
|
KBUILD_AFLAGS_64 += -m64 -s
|
|
|
|
KBUILD_CFLAGS_64 := $(filter-out -m64,$(KBUILD_CFLAGS))
|
|
KBUILD_CFLAGS_64 += -m64 -fPIC -shared -fno-common -fno-builtin
|
|
ldflags-y := -fPIC -shared -nostdlib -soname=linux-vdso64.so.1 \
|
|
--hash-style=both --build-id=sha1 -T
|
|
|
|
$(targets:%=$(obj)/%.dbg): KBUILD_CFLAGS = $(KBUILD_CFLAGS_64)
|
|
$(targets:%=$(obj)/%.dbg): KBUILD_AFLAGS = $(KBUILD_AFLAGS_64)
|
|
|
|
obj-y += vdso64_wrapper.o
|
|
targets += vdso64.lds
|
|
CPPFLAGS_vdso64.lds += -P -C -U$(ARCH)
|
|
|
|
# Disable gcov profiling, ubsan and kasan for VDSO code
|
|
GCOV_PROFILE := n
|
|
UBSAN_SANITIZE := n
|
|
KASAN_SANITIZE := n
|
|
KCSAN_SANITIZE := n
|
|
|
|
# Force dependency (incbin is bad)
|
|
$(obj)/vdso64_wrapper.o : $(obj)/vdso64.so
|
|
|
|
# link rule for the .so file, .lds has to be first
|
|
$(obj)/vdso64.so.dbg: $(src)/vdso64.lds $(obj-vdso64) $(obj-cvdso64) FORCE
|
|
$(call if_changed,ld)
|
|
|
|
# strip rule for the .so file
|
|
$(obj)/%.so: OBJCOPYFLAGS := -S
|
|
$(obj)/%.so: $(obj)/%.so.dbg FORCE
|
|
$(call if_changed,objcopy)
|
|
|
|
# assembly rules for the .S files
|
|
$(obj-vdso64): %.o: %.S FORCE
|
|
$(call if_changed_dep,vdso64as)
|
|
|
|
$(obj-cvdso64): %.o: %.c FORCE
|
|
$(call if_changed_dep,vdso64cc)
|
|
|
|
# actual build commands
|
|
quiet_cmd_vdso64as = VDSO64A $@
|
|
cmd_vdso64as = $(CC) $(a_flags) -c -o $@ $<
|
|
quiet_cmd_vdso64cc = VDSO64C $@
|
|
cmd_vdso64cc = $(CC) $(c_flags) -c -o $@ $<
|
|
|
|
# install commands for the unstripped file
|
|
quiet_cmd_vdso_install = INSTALL $@
|
|
cmd_vdso_install = cp $(obj)/$@.dbg $(MODLIB)/vdso/$@
|
|
|
|
vdso64.so: $(obj)/vdso64.so.dbg
|
|
@mkdir -p $(MODLIB)/vdso
|
|
$(call cmd,vdso_install)
|
|
|
|
vdso_install: vdso64.so
|
|
|
|
# Generate VDSO offsets using helper script
|
|
gen-vdsosym := $(srctree)/$(src)/gen_vdso_offsets.sh
|
|
quiet_cmd_vdsosym = VDSOSYM $@
|
|
cmd_vdsosym = $(NM) $< | $(gen-vdsosym) | LC_ALL=C sort > $@
|
|
|
|
include/generated/vdso64-offsets.h: $(obj)/vdso64.so.dbg FORCE
|
|
$(call if_changed,vdsosym)
|