diff options
Diffstat (limited to 'sysdeps/x86/Makefile')
| -rw-r--r-- | sysdeps/x86/Makefile | 89 |
1 files changed, 87 insertions, 2 deletions
diff --git a/sysdeps/x86/Makefile b/sysdeps/x86/Makefile index 0de4f42168..337b0b63dc 100644 --- a/sysdeps/x86/Makefile +++ b/sysdeps/x86/Makefile @@ -1,10 +1,95 @@ ifeq ($(subdir),csu) -gen-as-const-headers += cpu-features-offsets.sym rtld-global-offsets.sym +gen-as-const-headers += cpu-features-offsets.sym endif ifeq ($(subdir),elf) sysdep-dl-routines += dl-get-cpu-features -tests += tst-get-cpu-features +tests += tst-get-cpu-features tst-get-cpu-features-static 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: $(objpfx)tst-cet-legacy-mod-4.so +tst-cet-legacy-4c-ENV = GLIBC_TUNABLES=glibc.tune.x86_shstk=off +endif +endif + +# Add -fcf-protection to CFLAGS when CET is enabled. +CFLAGS-.o += -fcf-protection +CFLAGS-.os += -fcf-protection +CFLAGS-.op += -fcf-protection +CFLAGS-.oS += -fcf-protection + +# Compile assembly codes with <cet.h> when CET is enabled. +asm-CPPFLAGS += -fcf-protection -include cet.h + +ifeq ($(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 |