tools/testing/selftests/lib.mk

   1 # This mimics the top-level Makefile. We do it explicitly here so that this
   2 # Makefile can operate with or without the kbuild infrastructure.
   3 ifneq ($(LLVM),)
   4 CC := clang
   5 else
   6 CC := $(CROSS_COMPILE)gcc
   7 endif
   8
   9 ifeq (0,$(MAKELEVEL))
  10 OUTPUT := $(shell pwd)
  11 endif
  12
  13 # The following are built by lib.mk common compile rules.
  14 # TEST_CUSTOM_PROGS should be used by tests that require
  15 # custom build rule and prevent common build rule use.
  16 # TEST_PROGS are for test shell scripts.
  17 # TEST_CUSTOM_PROGS and TEST_PROGS will be run by common run_tests
  18 # and install targets. Common clean doesn't touch them.
  19 TEST_GEN_PROGS := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS))
  20 TEST_GEN_PROGS_EXTENDED := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS_EXTENDED))
  21 TEST_GEN_FILES := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_FILES))
  22
  23 ifdef KSFT_KHDR_INSTALL
  24 top_srcdir ?= ../../../..
  25 include $(top_srcdir)/scripts/subarch.include
  26 ARCH            ?= $(SUBARCH)
  27
  28 .PHONY: khdr
  29 .NOTPARALLEL:
  30 khdr:
  31         make ARCH=$(ARCH) -C $(top_srcdir) headers_install
  32
  33 all: khdr $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)
  34 else
  35 all: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)
  36 endif
  37
  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
  67 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),$(skip))                                              \
  76         done;
  77 endef
  78
  79 run_tests: all
  80 ifneq ($(KBUILD_SRC),)
  81         @if [ "X$(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES)" != "X" ]; then
  82                 @rsync -aq $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES) $(OUTPUT)
  83         fi
  84         @if [ "X$(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))
  88         fi
  89 else
  90         $(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_PROGS))
  91 endif
  92
  93 define INSTALL_SINGLE_RULE
  94         $(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)/)
  97 endef
  98
  99 define INSTALL_RULE
 100         $(eval INSTALL_LIST = $(TEST_PROGS)) $(INSTALL_SINGLE_RULE)
 101         $(eval INSTALL_LIST = $(TEST_PROGS_EXTENDED)) $(INSTALL_SINGLE_RULE)
 102         $(eval INSTALL_LIST = $(TEST_FILES)) $(INSTALL_SINGLE_RULE)
 103         $(eval INSTALL_LIST = $(TEST_GEN_PROGS)) $(INSTALL_SINGLE_RULE)
 104         $(eval INSTALL_LIST = $(TEST_CUSTOM_PROGS)) $(INSTALL_SINGLE_RULE)
 105         $(eval INSTALL_LIST = $(TEST_GEN_PROGS_EXTENDED)) $(INSTALL_SINGLE_RULE)
 106         $(eval INSTALL_LIST = $(TEST_GEN_FILES)) $(INSTALL_SINGLE_RULE)
 107 endef
 108
 109 install: all
 110 ifdef INSTALL_PATH
 111         $(INSTALL_RULE)
 112 else
 113         $(error Error: set INSTALL_PATH to use install)
 114 endif
 115
 116 define EMIT_TESTS
 117         @test_num=`echo 0`;                             \
 118         for TEST in $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_PROGS); do \
 119                 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         $(EMIT_TESTS)
 134
 135 # define if isn't already. It is undefined in make O= case.
 136 ifeq ($(RM),)
 137 RM := rm -f
 138 endif
 139
 140 define CLEAN
 141         $(RM) -r $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(EXTRA_CLEAN)
 142 endef
 143
 144 clean:
 145         $(CLEAN)
 146
 147 # Enables to extend CFLAGS and LDFLAGS from command line, e.g.
 148 # make USERCFLAGS=-Werror USERLDFLAGS=-static
 149 CFLAGS += $(USERCFLAGS)
 150 LDFLAGS += $(USERLDFLAGS)
 151
 152 # When make O= with kselftest target from main level
 153 # the following aren't defined.
 154 #
 155 ifneq ($(KBUILD_SRC),)
 156 LINK.c = $(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)
 157 COMPILE.S = $(CC) $(ASFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c
 158 LINK.S = $(CC) $(ASFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)
 159 endif
 160
 161 # Selftest makefiles can override those targets by setting
 162 # OVERRIDE_TARGETS = 1.
 163 ifeq ($(OVERRIDE_TARGETS),)
 164 $(OUTPUT)/%:%.c
 165         $(LINK.c) $^ $(LDLIBS) -o $@
 166
 167 $(OUTPUT)/%.o:%.S
 168         $(COMPILE.S) $^ -o $@
 169
 170 $(OUTPUT)/%:%.S
 171         $(LINK.S) $^ $(LDLIBS) -o $@
 172 endif
 173
 174 .PHONY: run_tests all clean install emit_tests