ifeq ($(subdir),csu) gen-as-const-headers += cpu-features-offsets.sym endif ifeq ($(subdir),elf) sysdep-dl-routines += dl-get-cpu-features tests += tst-get-cpu-features tests-static += tst-get-cpu-features-static endif ifeq ($(subdir),setjmp) gen-as-const-headers += jmp_buf-ssp.sym sysdep_routines += __longjmp_cancel endif ifeq ($(enable-cet),yes) ifeq ($(subdir),elf) sysdep-dl-routines += dl-cet tests += tst-cet-legacy-1 tst-cet-legacy-2 tst-cet-legacy-2a \ tst-cet-legacy-3 tst-cet-legacy-4 ifneq (no,$(have-tunables)) tests += tst-cet-legacy-4a tst-cet-legacy-4b tst-cet-legacy-4c endif modules-names += tst-cet-legacy-mod-1 tst-cet-legacy-mod-2 \ tst-cet-legacy-mod-4 CFLAGS-tst-cet-legacy-2.c += -fcf-protection=branch CFLAGS-tst-cet-legacy-2a.c += -fcf-protection CFLAGS-tst-cet-legacy-mod-1.c += -fcf-protection=none CFLAGS-tst-cet-legacy-mod-2.c += -fcf-protection=none CFLAGS-tst-cet-legacy-3.c += -fcf-protection=none CFLAGS-tst-cet-legacy-4.c += -fcf-protection=branch CFLAGS-tst-cet-legacy-4a.c += -fcf-protection CFLAGS-tst-cet-legacy-4b.c += -fcf-protection CFLAGS-tst-cet-legacy-mod-4.c += -fcf-protection=none $(objpfx)tst-cet-legacy-1: $(objpfx)tst-cet-legacy-mod-1.so \ $(objpfx)tst-cet-legacy-mod-2.so $(objpfx)tst-cet-legacy-2: $(objpfx)tst-cet-legacy-mod-2.so $(libdl) $(objpfx)tst-cet-legacy-2.out: $(objpfx)tst-cet-legacy-mod-1.so $(objpfx)tst-cet-legacy-2a: $(objpfx)tst-cet-legacy-mod-2.so $(libdl) $(objpfx)tst-cet-legacy-2a.out: $(objpfx)tst-cet-legacy-mod-1.so $(objpfx)tst-cet-legacy-4: $(libdl) $(objpfx)tst-cet-legacy-4.out: $(objpfx)tst-cet-legacy-mod-4.so ifneq (no,$(have-tunables)) $(objpfx)tst-cet-legacy-4a: $(libdl) $(objpfx)tst-cet-legacy-4a.out: $(objpfx)tst-cet-legacy-mod-4.so tst-cet-legacy-4a-ENV = GLIBC_TUNABLES=glibc.tune.x86_shstk=permissive $(objpfx)tst-cet-legacy-4b: $(libdl) $(objpfx)tst-cet-legacy-4b.out: $(objpfx)tst-cet-legacy-mod-4.so tst-cet-legacy-4b-ENV = GLIBC_TUNABLES=glibc.tune.x86_shstk=on $(objpfx)tst-cet-legacy-4c: $(libdl) $(objpfx)tst-cet-legacy-4c.out: $(objpfx)tst-cet-legacy-mod-4.so tst-cet-legacy-4c-ENV = GLIBC_TUNABLES=glibc.tune.x86_shstk=off endif endif # Add -fcf-protection to CFLAGS when CET is enabled. CFLAGS-.o += -fcf-protection CFLAGS-.os += -fcf-protection CFLAGS-.op += -fcf-protection CFLAGS-.oS += -fcf-protection # Compile assembly codes with when CET is enabled. asm-CPPFLAGS += -fcf-protection -include cet.h ifeq ($(subdir),elf) ifeq (yes,$(build-shared)) tests-special += $(objpfx)check-cet.out endif # FIXME: Can't use all-built-dso in elf/Makefile since this file is # processed before elf/Makefile. Duplicate it here. cet-built-dso := $(common-objpfx)elf/ld.so $(common-objpfx)libc.so \ $(filter-out $(common-objpfx)linkobj/libc.so, \ $(sort $(wildcard $(addprefix $(common-objpfx), \ */lib*.so \ iconvdata/*.so)))) $(cet-built-dso:=.note): %.note: % @rm -f $@T LC_ALL=C $(READELF) -n $< > $@T test -s $@T mv -f $@T $@ common-generated += $(cet-built-dso:$(common-objpfx)%=%.note) $(objpfx)check-cet.out: $(..)sysdeps/x86/check-cet.awk \ $(cet-built-dso:=.note) LC_ALL=C $(AWK) -f $^ > $@; \ $(evaluate-test) generated += check-cet.out endif endif