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- # SPDX-License-Identifier: GPL-2.0
- TEST_GEN_PROGS := btitest nobtitest
- PROGS := $(patsubst %,gen/%,$(TEST_GEN_PROGS))
- # 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 $@ $<
- %-bti.o: %.c
- $(BTI_CC_COMMAND)
- %-bti.o: %.S
- $(BTI_CC_COMMAND)
- %-nobti.o: %.c
- $(NOBTI_CC_COMMAND)
- %-nobti.o: %.S
- $(NOBTI_CC_COMMAND)
- BTI_OBJS = \
- test-bti.o \
- signal-bti.o \
- start-bti.o \
- syscall-bti.o \
- system-bti.o \
- teststubs-bti.o \
- trampoline-bti.o
- gen/btitest: $(BTI_OBJS)
- $(CC) $(CFLAGS_BTI) $(CFLAGS_COMMON) -nostdlib -static -o $@ $^
- NOBTI_OBJS = \
- test-nobti.o \
- signal-nobti.o \
- start-nobti.o \
- syscall-nobti.o \
- system-nobti.o \
- teststubs-nobti.o \
- trampoline-nobti.o
- gen/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
- $(TEST_GEN_PROGS): $(PROGS)
- cp $(PROGS) $(OUTPUT)/
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