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2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376 
 kernel/tools/testing/selftests/lib.mk
....@@ -7,8 +7,12 @@
77 endif
88 
99 ifeq (0,$(MAKELEVEL))
10
-OUTPUT := $(shell pwd)
10
+    ifeq ($(OUTPUT),)
11
+	OUTPUT := $(shell pwd)
12
+	DEFAULT_INSTALL_HDR_PATH := 1
13
+    endif
1114 endif
15
+selfdir = $(realpath $(dir $(filter %/lib.mk,$(MAKEFILE_LIST))))
1216 
1317 # The following are built by lib.mk common compile rules.
1418 # TEST_CUSTOM_PROGS should be used by tests that require
....@@ -25,75 +29,68 @@
2529 include $(top_srcdir)/scripts/subarch.include
2630 ARCH		?= $(SUBARCH)
2731 
32
+# set default goal to all, so make without a target runs all, even when
33
+# all isn't the first target in the file.
34
+.DEFAULT_GOAL := all
35
+
36
+# Invoke headers install with --no-builtin-rules to avoid circular
37
+# dependency in "make kselftest" case. In this case, second level
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+# make inherits builtin-rules which will use the rule generate
39
+# Makefile.o and runs into
40
+# "Circular Makefile.o <- prepare dependency dropped."
41
+# and headers_install fails and test compile fails.
42
+# O= KBUILD_OUTPUT cases don't run into this error, since main Makefile
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+# invokes them as sub-makes and --no-builtin-rules is not necessary,
44
+# but doesn't cause any failures. Keep it simple and use the same
45
+# flags in both cases.
46
+# Note that the support to install headers from lib.mk is necessary
47
+# when test Makefile is run directly with "make -C".
48
+# When local build is done, headers are installed in the default
49
+# INSTALL_HDR_PATH usr/include.
2850 .PHONY: khdr
2951 .NOTPARALLEL:
3052 khdr:
31
-	make ARCH=$(ARCH) -C $(top_srcdir) headers_install
53
+ifndef KSFT_KHDR_INSTALL_DONE
54
+ifeq (1,$(DEFAULT_INSTALL_HDR_PATH))
55
+	$(MAKE) --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install
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+else
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+	$(MAKE) --no-builtin-rules INSTALL_HDR_PATH=$$OUTPUT/usr \
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+		ARCH=$(ARCH) -C $(top_srcdir) headers_install
59
+endif
60
+endif
3261 
3362 all: khdr $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)
3463 else
3564 all: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)
3665 endif
3766 
38
-.ONESHELL:
39
-define RUN_TEST_PRINT_RESULT
40
-	TEST_HDR_MSG="selftests: "`basename $$PWD`:" $$BASENAME_TEST";	\
41
-	echo $$TEST_HDR_MSG;					\
42
-	echo "========================================";	\
43
-	if [ ! -x $$TEST ]; then	\
44
-		echo "$$TEST_HDR_MSG: Warning: file $$BASENAME_TEST is not executable, correct this.";\
45
-		echo "not ok 1..$$test_num $$TEST_HDR_MSG [FAIL]"; \
46
-	else					\
47
-		cd `dirname $$TEST` > /dev/null; \
48
-		if [ "X$(summary)" != "X" ]; then	\
49
-			(./$$BASENAME_TEST > /tmp/$$BASENAME_TEST 2>&1 && \
50
-			echo "ok 1..$$test_num $$TEST_HDR_MSG [PASS]") || \
51
-			(if [ $$? -eq $$skip ]; then	\
52
-				echo "not ok 1..$$test_num $$TEST_HDR_MSG [SKIP]";				\
53
-			else echo "not ok 1..$$test_num $$TEST_HDR_MSG [FAIL]";					\
54
-			fi;)			\
55
-		else				\
56
-			(./$$BASENAME_TEST &&	\
57
-			echo "ok 1..$$test_num $$TEST_HDR_MSG [PASS]") ||						\
58
-			(if [ $$? -eq $$skip ]; then \
59
-				echo "not ok 1..$$test_num $$TEST_HDR_MSG [SKIP]"; \
60
-			else echo "not ok 1..$$test_num $$TEST_HDR_MSG [FAIL]";				\
61
-			fi;)		\
62
-		fi;				\
63
-		cd - > /dev/null;		\
64
-	fi;
65
-endef
66
-
6767 define RUN_TESTS
68
-	@export KSFT_TAP_LEVEL=`echo 1`;		\
69
-	test_num=`echo 0`;				\
70
-	skip=`echo 4`;					\
71
-	echo "TAP version 13";				\
72
-	for TEST in $(1); do				\
73
-		BASENAME_TEST=`basename $$TEST`;	\
74
-		test_num=`echo $$test_num+1 | bc`;	\
75
-		$(call RUN_TEST_PRINT_RESULT,$(TEST),$(BASENAME_TEST),$(test_num),$(skip))						\
76
-	done;
68
+	BASE_DIR="$(selfdir)";			\
69
+	. $(selfdir)/kselftest/runner.sh;	\
70
+	if [ "X$(summary)" != "X" ]; then       \
71
+		per_test_logging=1;		\
72
+	fi;                                     \
73
+	run_many $(1)
7774 endef
7875 
7976 run_tests: all
80
-ifneq ($(KBUILD_SRC),)
81
-	@if [ "X$(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES)" != "X" ]; then
82
-		@rsync -aq $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES) $(OUTPUT)
77
+ifdef building_out_of_srctree
78
+	@if [ "X$(TEST_PROGS)$(TEST_PROGS_EXTENDED)$(TEST_FILES)" != "X" ]; then \
79
+		rsync -aq $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES) $(OUTPUT); \
8380 	fi
84
-	@if [ "X$(TEST_PROGS)" != "X" ]; then
85
-		$(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(OUTPUT)/$(TEST_PROGS))
86
-	else
87
-		$(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS))
81
+	@if [ "X$(TEST_PROGS)" != "X" ]; then \
82
+		$(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) \
83
+				  $(addprefix $(OUTPUT)/,$(TEST_PROGS))) ; \
84
+	else \
85
+		$(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS)); \
8886 	fi
8987 else
90
-	$(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_PROGS))
88
+	@$(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_PROGS))
9189 endif
9290 
9391 define INSTALL_SINGLE_RULE
9492 	$(if $(INSTALL_LIST),@mkdir -p $(INSTALL_PATH))
95
-	$(if $(INSTALL_LIST),@echo rsync -a $(INSTALL_LIST) $(INSTALL_PATH)/)
96
-	$(if $(INSTALL_LIST),@rsync -a $(INSTALL_LIST) $(INSTALL_PATH)/)
93
+	$(if $(INSTALL_LIST),rsync -a $(INSTALL_LIST) $(INSTALL_PATH)/)
9794 endef
9895 
9996 define INSTALL_RULE
....@@ -113,24 +110,11 @@
113110 	$(error Error: set INSTALL_PATH to use install)
114111 endif
115112 
116
-define EMIT_TESTS
117
-	@test_num=`echo 0`;				\
113
+emit_tests:
118114 	for TEST in $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_PROGS); do \
119115 		BASENAME_TEST=`basename $$TEST`;	\
120
-		test_num=`echo $$test_num+1 | bc`;	\
121
-		TEST_HDR_MSG="selftests: "`basename $$PWD`:" $$BASENAME_TEST";	\
122
-		echo "echo $$TEST_HDR_MSG";	\
123
-		if [ ! -x $$TEST ]; then	\
124
-			echo "echo \"$$TEST_HDR_MSG: Warning: file $$BASENAME_TEST is not executable, correct this.\"";		\
125
-			echo "echo \"not ok 1..$$test_num $$TEST_HDR_MSG [FAIL]\""; \
126
-		else
127
-			echo "(./$$BASENAME_TEST >> \$$OUTPUT 2>&1 && echo \"ok 1..$$test_num $$TEST_HDR_MSG [PASS]\") || (if [ \$$? -eq \$$skip ]; then echo \"not ok 1..$$test_num $$TEST_HDR_MSG [SKIP]\"; else echo \"not ok 1..$$test_num $$TEST_HDR_MSG [FAIL]\"; fi;)"; \
128
-		fi;		\
129
-	done;
130
-endef
131
-
132
-emit_tests:
133
-	$(EMIT_TESTS)
116
+		echo "$(COLLECTION):$$BASENAME_TEST";	\
117
+	done
134118 
135119 # define if isn't already. It is undefined in make O= case.
136120 ifeq ($(RM),)
....@@ -147,7 +131,7 @@
147131 # When make O= with kselftest target from main level
148132 # the following aren't defined.
149133 #
150
-ifneq ($(KBUILD_SRC),)
134
+ifdef building_out_of_srctree
151135 LINK.c = $(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)
152136 COMPILE.S = $(CC) $(ASFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c
153137 LINK.S = $(CC) $(ASFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)
....@@ -156,8 +140,9 @@
156140 # Selftest makefiles can override those targets by setting
157141 # OVERRIDE_TARGETS = 1.
158142 ifeq ($(OVERRIDE_TARGETS),)
159
-$(OUTPUT)/%:%.c
160
-	$(LINK.c) $^ $(LDLIBS) -o $@
143
+LOCAL_HDRS := $(selfdir)/kselftest_harness.h $(selfdir)/kselftest.h
144
+$(OUTPUT)/%:%.c $(LOCAL_HDRS)
145
+	$(LINK.c) $(filter-out $(LOCAL_HDRS),$^) $(LDLIBS) -o $@
161146 
162147 $(OUTPUT)/%.o:%.S
163148 	$(COMPILE.S) $^ -o $@