1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 2
3 ccflags-y := $(call cc-disable-warning,fortify 3 ccflags-y := $(call cc-disable-warning,fortify-source)
4 4
5 quiet_cmd_test_fortify = TEST $@ 5 quiet_cmd_test_fortify = TEST $@
6 cmd_test_fortify = $(CONFIG_SHELL) $(src 6 cmd_test_fortify = $(CONFIG_SHELL) $(src)/test_fortify.sh \
7 $< $@ "$(NM)" $(CC) $( 7 $< $@ "$(NM)" $(CC) $(c_flags) -DKBUILD_EXTRA_WARN1
8 8
9 $(obj)/%.log: $(src)/%.c $(src)/test_fortify.s 9 $(obj)/%.log: $(src)/%.c $(src)/test_fortify.sh FORCE
10 $(call if_changed_dep,test_fortify) 10 $(call if_changed_dep,test_fortify)
11 11
12 logs = $(patsubst $(src)/%.c, %.log, $(wildcar 12 logs = $(patsubst $(src)/%.c, %.log, $(wildcard $(src)/*-*.c))
13 targets += $(logs) 13 targets += $(logs)
14 14
15 quiet_cmd_gen_fortify_log = CAT $@ 15 quiet_cmd_gen_fortify_log = CAT $@
16 cmd_gen_fortify_log = cat $(or $(real-pr 16 cmd_gen_fortify_log = cat $(or $(real-prereqs),/dev/null) > $@
17 17
18 $(obj)/test_fortify.log: $(addprefix $(obj)/, 18 $(obj)/test_fortify.log: $(addprefix $(obj)/, $(logs)) FORCE
19 $(call if_changed,gen_fortify_log) 19 $(call if_changed,gen_fortify_log)
20 20
21 # GCC<=7 does not always produce *.d files. 21 # GCC<=7 does not always produce *.d files.
22 # Run the tests only for GCC>=8 or Clang. 22 # Run the tests only for GCC>=8 or Clang.
23 always-$(call gcc-min-version, 80000) += test_ 23 always-$(call gcc-min-version, 80000) += test_fortify.log
24 always-$(CONFIG_CC_IS_CLANG) += test_ 24 always-$(CONFIG_CC_IS_CLANG) += test_fortify.log
25 25
26 # Some architectures define __NO_FORTIFY if __ 26 # Some architectures define __NO_FORTIFY if __SANITIZE_ADDRESS__ is undefined.
27 # Pass CFLAGS_KASAN to avoid warnings. 27 # Pass CFLAGS_KASAN to avoid warnings.
28 KASAN_SANITIZE := y 28 KASAN_SANITIZE := y
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