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Diffstat (limited to '')
-rw-r--r-- | tools/testing/selftests/arm64/bti/Makefile | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/tools/testing/selftests/arm64/bti/Makefile b/tools/testing/selftests/arm64/bti/Makefile new file mode 100644 index 000000000000..05e4ee523a53 --- /dev/null +++ b/tools/testing/selftests/arm64/bti/Makefile @@ -0,0 +1,56 @@ +# SPDX-License-Identifier: GPL-2.0 + +TEST_GEN_PROGS := btitest nobtitest + +# These tests are built as freestanding binaries since otherwise BTI +# support in ld.so is required which is not currently widespread; when +# it is available it will still be useful to test this separately as the +# cases for statically linked and dynamically lined binaries are +# slightly different. + +CFLAGS_NOBTI = -mbranch-protection=none -DBTI=0 +CFLAGS_BTI = -mbranch-protection=standard -DBTI=1 + +CFLAGS_COMMON = -ffreestanding -Wall -Wextra $(CFLAGS) + +BTI_CC_COMMAND = $(CC) $(CFLAGS_BTI) $(CFLAGS_COMMON) -c -o $@ $< +NOBTI_CC_COMMAND = $(CC) $(CFLAGS_NOBTI) $(CFLAGS_COMMON) -c -o $@ $< + +$(OUTPUT)/%-bti.o: %.c + $(BTI_CC_COMMAND) + +$(OUTPUT)/%-bti.o: %.S + $(BTI_CC_COMMAND) + +$(OUTPUT)/%-nobti.o: %.c + $(NOBTI_CC_COMMAND) + +$(OUTPUT)/%-nobti.o: %.S + $(NOBTI_CC_COMMAND) + +BTI_OBJS = \ + $(OUTPUT)/test-bti.o \ + $(OUTPUT)/signal-bti.o \ + $(OUTPUT)/start-bti.o \ + $(OUTPUT)/syscall-bti.o \ + $(OUTPUT)/system-bti.o \ + $(OUTPUT)/teststubs-bti.o \ + $(OUTPUT)/trampoline-bti.o +$(OUTPUT)/btitest: $(BTI_OBJS) + $(CC) $(CFLAGS_BTI) $(CFLAGS_COMMON) -nostdlib -static -o $@ $^ + +NOBTI_OBJS = \ + $(OUTPUT)/test-nobti.o \ + $(OUTPUT)/signal-nobti.o \ + $(OUTPUT)/start-nobti.o \ + $(OUTPUT)/syscall-nobti.o \ + $(OUTPUT)/system-nobti.o \ + $(OUTPUT)/teststubs-nobti.o \ + $(OUTPUT)/trampoline-nobti.o +$(OUTPUT)/nobtitest: $(NOBTI_OBJS) + $(CC) $(CFLAGS_BTI) $(CFLAGS_COMMON) -nostdlib -static -o $@ $^ + +# Including KSFT lib.mk here will also mangle the TEST_GEN_PROGS list +# to account for any OUTPUT target-dirs optionally provided by +# the toplevel makefile +include ../../lib.mk |