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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /tools/testing/selftests/arm64/bti/Makefile
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/testing/selftests/arm64/bti/Makefile')
-rw-r--r--tools/testing/selftests/arm64/bti/Makefile56
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 0000000000..05e4ee523a
--- /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