1 # This mimics the top-level Makefile. We do it 1 # This mimics the top-level Makefile. We do it explicitly here so that this
2 # Makefile can operate with or without the kbu 2 # Makefile can operate with or without the kbuild infrastructure.
3 ifneq ($(LLVM),) <<
4 ifneq ($(filter %/,$(LLVM)),) <<
5 LLVM_PREFIX := $(LLVM) <<
6 else ifneq ($(filter -%,$(LLVM)),) <<
7 LLVM_SUFFIX := $(LLVM) <<
8 endif <<
9 <<
10 CLANG := $(LLVM_PREFIX)clang$(LLVM_SUFFIX) <<
11 <<
12 CLANG_TARGET_FLAGS_arm := arm-linux-g <<
13 CLANG_TARGET_FLAGS_arm64 := aarch64-lin <<
14 CLANG_TARGET_FLAGS_hexagon := hexagon-lin <<
15 CLANG_TARGET_FLAGS_i386 := i386-linux- <<
16 CLANG_TARGET_FLAGS_m68k := m68k-linux- <<
17 CLANG_TARGET_FLAGS_mips := mipsel-linu <<
18 CLANG_TARGET_FLAGS_powerpc := powerpc64le <<
19 CLANG_TARGET_FLAGS_riscv := riscv64-lin <<
20 CLANG_TARGET_FLAGS_s390 := s390x-linux <<
21 CLANG_TARGET_FLAGS_x86 := x86_64-linu <<
22 CLANG_TARGET_FLAGS_x86_64 := x86_64-linu <<
23 <<
24 # Default to host architecture if ARCH is not <<
25 ifeq ($(ARCH),) <<
26 CLANG_TARGET_FLAGS := $(shell $(CLANG) -print- <<
27 else <<
28 CLANG_TARGET_FLAGS := $(CLANG_TARGET_FLAGS_$(A <<
29 endif <<
30 <<
31 ifeq ($(CROSS_COMPILE),) <<
32 ifeq ($(CLANG_TARGET_FLAGS),) <<
33 $(error Specify CROSS_COMPILE or add '--target <<
34 else <<
35 CLANG_FLAGS += --target=$(CLANG_TARGET_FLA <<
36 endif # CLANG_TARGET_FLAGS <<
37 else <<
38 CLANG_FLAGS += --target=$(notdir $(CROSS_C <<
39 endif # CROSS_COMPILE <<
40 <<
41 # gcc defaults to silence (off) for the follow <<
42 # to the opposite. The warnings are not useful <<
43 # why they have remained disabled in gcc for t <<
44 # only due to including kernel data structures <<
45 # warnings from clang. Therefore, disable the <<
46 CFLAGS += -Wno-address-of-packed-member <<
47 CFLAGS += -Wno-gnu-variable-sized-type-not-at- <<
48 <<
49 CC := $(CLANG) $(CLANG_FLAGS) -fintegrated-as <<
50 else <<
51 CC := $(CROSS_COMPILE)gcc 3 CC := $(CROSS_COMPILE)gcc
52 endif # LLVM <<
53 4
54 ifeq (0,$(MAKELEVEL)) 5 ifeq (0,$(MAKELEVEL))
55 ifeq ($(OUTPUT),) !! 6 OUTPUT := $(shell pwd)
56 OUTPUT := $(shell pwd) <<
57 DEFAULT_INSTALL_HDR_PATH := 1 <<
58 endif <<
59 endif <<
60 selfdir = $(realpath $(dir $(filter %/lib.mk,$ <<
61 top_srcdir = $(selfdir)/../../.. <<
62 <<
63 # msg: emit succinct information message descr <<
64 # $1 - generic step name (e.g., CC, LINK, etc) <<
65 # $2 - optional "flavor" specifier; if provide <<
66 # $3 - target (assumed to be file); only file <<
67 # $4 - optional extra arg, emitted as-is, if p <<
68 ifeq ($(V),1) <<
69 Q = <<
70 msg = <<
71 else <<
72 Q = @ <<
73 msg = @printf ' %-8s%s %s%s\n' "$(1)" "$(if $ <<
74 MAKEFLAGS += --no-print-directory <<
75 endif <<
76 <<
77 ifeq ($(KHDR_INCLUDES),) <<
78 KHDR_INCLUDES := -isystem $(top_srcdir)/usr/in <<
79 endif 7 endif
80 8
81 # In order to use newer items that haven't yet <<
82 # header files, add $(TOOLS_INCLUDES) to the c <<
83 # each selftest. <<
84 # You may need to add files to that location, <<
85 # order to do that, run "make headers" from $( <<
86 # header file that you want from $(top_srcdir) <<
87 # subdir in $(TOOLS_INCLUDE). <<
88 TOOLS_INCLUDES := -isystem $(top_srcdir)/tools <<
89 <<
90 # The following are built by lib.mk common com <<
91 # TEST_CUSTOM_PROGS should be used by tests th <<
92 # custom build rule and prevent common build r <<
93 # TEST_PROGS are for test shell scripts. <<
94 # TEST_CUSTOM_PROGS and TEST_PROGS will be run <<
95 # and install targets. Common clean doesn't to <<
96 TEST_GEN_PROGS := $(patsubst %,$(OUTPUT)/%,$(T 9 TEST_GEN_PROGS := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS))
97 TEST_GEN_PROGS_EXTENDED := $(patsubst %,$(OUTP <<
98 TEST_GEN_FILES := $(patsubst %,$(OUTPUT)/%,$(T 10 TEST_GEN_FILES := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_FILES))
99 11
100 all: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTEND !! 12 all: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)
101 $(if $(TEST_GEN_MODS_DIR),gen_mods_dir <<
102 13
103 define RUN_TESTS 14 define RUN_TESTS
104 BASE_DIR="$(selfdir)"; !! 15 @for TEST in $(TEST_GEN_PROGS) $(TEST_PROGS); do \
105 . $(selfdir)/kselftest/runner.sh; !! 16 BASENAME_TEST=`basename $$TEST`; \
106 if [ "X$(summary)" != "X" ]; then !! 17 cd `dirname $$TEST`; (./$$BASENAME_TEST && echo "selftests: $$BASENAME_TEST [PASS]") || echo "selftests: $$BASENAME_TEST [FAIL]"; cd -;\
107 per_test_logging=1; !! 18 done;
108 fi; <<
109 run_many $(1) <<
110 endef <<
111 <<
112 define INSTALL_INCLUDES <<
113 $(if $(TEST_INCLUDES), \ <<
114 relative_files=""; \ <<
115 for entry in $(TEST_INCLUDES); <<
116 entry_dir=$$(readlink <<
117 entry_name=$$(basename <<
118 relative_dir=$${entry_ <<
119 if [ "$$relative_dir" <<
120 echo "Error: T <<
121 exit 1; \ <<
122 fi; \ <<
123 relative_files="$$rela <<
124 done; \ <<
125 cd $(SRC_PATH) && rsync -aR $$ <<
126 ) <<
127 endef 19 endef
128 20
129 run_tests: all 21 run_tests: all
130 ifdef building_out_of_srctree !! 22 $(RUN_TESTS)
131 @if [ "X$(TEST_PROGS)$(TEST_PROGS_EXTE <<
132 rsync -aq --copy-unsafe-links <<
133 fi <<
134 @$(INSTALL_INCLUDES) <<
135 @if [ "X$(TEST_PROGS)" != "X" ]; then <<
136 $(call RUN_TESTS, $(TEST_GEN_P <<
137 $(addprefix <<
138 else \ <<
139 $(call RUN_TESTS, $(TEST_GEN_P <<
140 fi <<
141 else <<
142 @$(call RUN_TESTS, $(TEST_GEN_PROGS) $ <<
143 endif <<
144 <<
145 gen_mods_dir: <<
146 $(Q)$(MAKE) -C $(TEST_GEN_MODS_DIR) <<
147 <<
148 clean_mods_dir: <<
149 $(Q)$(MAKE) -C $(TEST_GEN_MODS_DIR) cl <<
150 <<
151 define INSTALL_SINGLE_RULE <<
152 $(if $(INSTALL_LIST),@mkdir -p $(INSTA <<
153 $(if $(INSTALL_LIST),rsync -a --copy-u <<
154 endef <<
155 <<
156 define INSTALL_MODS_RULE <<
157 $(if $(INSTALL_LIST),@mkdir -p $(INSTA <<
158 $(if $(INSTALL_LIST),rsync -a --copy-u <<
159 endef <<
160 23
161 define INSTALL_RULE 24 define INSTALL_RULE
162 $(eval INSTALL_LIST = $(TEST_PROGS)) $ !! 25 @if [ "X$(TEST_PROGS)$(TEST_PROGS_EXTENDED)$(TEST_FILES)" != "X" ]; then \
163 $(eval INSTALL_LIST = $(TEST_PROGS_EXT !! 26 mkdir -p ${INSTALL_PATH}; \
164 $(eval INSTALL_LIST = $(TEST_FILES)) $ !! 27 echo "rsync -a $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES) $(INSTALL_PATH)/"; \
165 $(eval INSTALL_LIST = $(TEST_GEN_PROGS !! 28 rsync -a $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES) $(INSTALL_PATH)/; \
166 $(eval INSTALL_LIST = $(TEST_CUSTOM_PR !! 29 fi
167 $(eval INSTALL_LIST = $(TEST_GEN_PROGS !! 30 @if [ "X$(TEST_GEN_PROGS)$(TEST_GEN_PROGS_EXTENDED)$(TEST_GEN_FILES)" != "X" ]; then \
168 $(eval INSTALL_LIST = $(TEST_GEN_FILES !! 31 mkdir -p ${INSTALL_PATH}; \
169 $(eval INSTALL_LIST = $(notdir $(TEST_ !! 32 echo "rsync -a $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(INSTALL_PATH)/"; \
170 $(eval INSTALL_LIST = $(wildcard confi !! 33 rsync -a $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(INSTALL_PATH)/; \
>> 34 fi
171 endef 35 endef
172 36
173 install: all 37 install: all
174 ifdef INSTALL_PATH 38 ifdef INSTALL_PATH
175 $(INSTALL_RULE) 39 $(INSTALL_RULE)
176 $(INSTALL_INCLUDES) <<
177 else 40 else
178 $(error Error: set INSTALL_PATH to use 41 $(error Error: set INSTALL_PATH to use install)
179 endif 42 endif
180 43
181 emit_tests: !! 44 define EMIT_TESTS
182 for TEST in $(TEST_GEN_PROGS) $(TEST_C !! 45 @for TEST in $(TEST_GEN_PROGS) $(TEST_PROGS); do \
183 BASENAME_TEST=`basename $$TEST 46 BASENAME_TEST=`basename $$TEST`; \
184 echo "$(COLLECTION):$$BASENAME !! 47 echo "(./$$BASENAME_TEST && echo \"selftests: $$BASENAME_TEST [PASS]\") || echo \"selftests: $$BASENAME_TEST [FAIL]\""; \
185 done !! 48 done;
>> 49 endef
186 50
187 # define if isn't already. It is undefined in !! 51 emit_tests:
188 ifeq ($(RM),) !! 52 $(EMIT_TESTS)
189 RM := rm -f <<
190 endif <<
191 53
192 define CLEAN 54 define CLEAN
193 $(RM) -r $(TEST_GEN_PROGS) $(TEST_GEN_ 55 $(RM) -r $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(EXTRA_CLEAN)
194 endef 56 endef
195 57
196 clean: $(if $(TEST_GEN_MODS_DIR),clean_mods_di !! 58 clean:
197 $(CLEAN) 59 $(CLEAN)
198 60
199 # Build with _GNU_SOURCE by default !! 61 $(OUTPUT)/%:%.c
200 CFLAGS += -D_GNU_SOURCE= !! 62 $(LINK.c) $^ $(LDLIBS) -o $@
201 <<
202 # Enables to extend CFLAGS and LDFLAGS from co <<
203 # make USERCFLAGS=-Werror USERLDFLAGS=-static <<
204 CFLAGS += $(USERCFLAGS) <<
205 LDFLAGS += $(USERLDFLAGS) <<
206 <<
207 # When make O= with kselftest target from main <<
208 # the following aren't defined. <<
209 # <<
210 ifdef building_out_of_srctree <<
211 LINK.c = $(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS <<
212 COMPILE.S = $(CC) $(ASFLAGS) $(CPPFLAGS) $(TAR <<
213 LINK.S = $(CC) $(ASFLAGS) $(CPPFLAGS) $(LDFLAG <<
214 endif <<
215 <<
216 # Selftest makefiles can override those target <<
217 # OVERRIDE_TARGETS = 1. <<
218 ifeq ($(OVERRIDE_TARGETS),) <<
219 LOCAL_HDRS += $(selfdir)/kselftest_harness.h $ <<
220 $(OUTPUT)/%:%.c $(LOCAL_HDRS) <<
221 $(call msg,CC,,$@) <<
222 $(Q)$(LINK.c) $(filter-out $(LOCAL_HDR <<
223 63
224 $(OUTPUT)/%.o:%.S 64 $(OUTPUT)/%.o:%.S
225 $(COMPILE.S) $^ -o $@ 65 $(COMPILE.S) $^ -o $@
226 66
227 $(OUTPUT)/%:%.S 67 $(OUTPUT)/%:%.S
228 $(LINK.S) $^ $(LDLIBS) -o $@ 68 $(LINK.S) $^ $(LDLIBS) -o $@
229 endif <<
230 69
231 .PHONY: run_tests all clean install emit_tests !! 70 .PHONY: run_tests all clean install emit_tests
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