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# 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