diff options
Diffstat (limited to 'arch/s390/kernel/vdso64/Makefile')
| -rw-r--r-- | arch/s390/kernel/vdso64/Makefile | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/arch/s390/kernel/vdso64/Makefile b/arch/s390/kernel/vdso64/Makefile index 4a66a1cb919b..13cc5a3f9abf 100644 --- a/arch/s390/kernel/vdso64/Makefile +++ b/arch/s390/kernel/vdso64/Makefile @@ -1,17 +1,23 @@ # SPDX-License-Identifier: GPL-2.0 -# List of files in the vdso, has to be asm only for now +# 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 -obj-vdso64 = gettimeofday.o clock_getres.o clock_gettime.o note.o getcpu.o +include $(srctree)/lib/vdso/Makefile +obj-vdso64 = vdso_user_wrapper.o note.o getcpu.o +obj-cvdso64 = vdso64_generic.o +CFLAGS_REMOVE_vdso64_generic.o = -pg $(CC_FLAGS_FTRACE) $(CC_FLAGS_EXPOLINE) # Build rules -targets := $(obj-vdso64) vdso64.so vdso64.so.dbg +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 +KBUILD_CFLAGS += -DBUILD_VDSO -DDISABLE_BRANCH_PROFILING KBUILD_AFLAGS_64 := $(filter-out -m64,$(KBUILD_AFLAGS)) KBUILD_AFLAGS_64 += -m64 -s @@ -19,13 +25,13 @@ 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 -T + --hash-style=both --build-id=sha1 -T $(targets:%=$(obj)/%.dbg): KBUILD_CFLAGS = $(KBUILD_CFLAGS_64) $(targets:%=$(obj)/%.dbg): KBUILD_AFLAGS = $(KBUILD_AFLAGS_64) obj-y += vdso64_wrapper.o -extra-y += vdso64.lds +targets += vdso64.lds CPPFLAGS_vdso64.lds += -P -C -U$(ARCH) # Disable gcov profiling, ubsan and kasan for VDSO code @@ -37,7 +43,7 @@ KASAN_SANITIZE := n $(obj)/vdso64_wrapper.o : $(obj)/vdso64.so # link rule for the .so file, .lds has to be first -$(obj)/vdso64.so.dbg: $(obj)/vdso64.lds $(obj-vdso64) FORCE +$(obj)/vdso64.so.dbg: $(src)/vdso64.lds $(obj-vdso64) $(obj-cvdso64) FORCE $(call if_changed,ld) # strip rule for the .so file @@ -49,9 +55,14 @@ $(obj)/%.so: $(obj)/%.so.dbg FORCE $(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 $@ |