1.9 KiB
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