diff options
Diffstat (limited to 'tools/testing/selftests/lib.mk')
| -rw-r--r-- | tools/testing/selftests/lib.mk | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk new file mode 100644 index 000000000..aa646e066 --- /dev/null +++ b/tools/testing/selftests/lib.mk @@ -0,0 +1,156 @@ +# This mimics the top-level Makefile. We do it explicitly here so that this +# Makefile can operate with or without the kbuild infrastructure. +ifneq ($(LLVM),) +ifneq ($(filter %/,$(LLVM)),) +LLVM_PREFIX := $(LLVM) +else ifneq ($(filter -%,$(LLVM)),) +LLVM_SUFFIX := $(LLVM) +endif + +CLANG_TARGET_FLAGS_arm := arm-linux-gnueabi +CLANG_TARGET_FLAGS_arm64 := aarch64-linux-gnu +CLANG_TARGET_FLAGS_hexagon := hexagon-linux-musl +CLANG_TARGET_FLAGS_i386 := i386-linux-gnu +CLANG_TARGET_FLAGS_m68k := m68k-linux-gnu +CLANG_TARGET_FLAGS_mips := mipsel-linux-gnu +CLANG_TARGET_FLAGS_powerpc := powerpc64le-linux-gnu +CLANG_TARGET_FLAGS_riscv := riscv64-linux-gnu +CLANG_TARGET_FLAGS_s390 := s390x-linux-gnu +CLANG_TARGET_FLAGS_x86 := x86_64-linux-gnu +CLANG_TARGET_FLAGS_x86_64 := x86_64-linux-gnu +CLANG_TARGET_FLAGS := $(CLANG_TARGET_FLAGS_$(ARCH)) + +ifeq ($(CROSS_COMPILE),) +ifeq ($(CLANG_TARGET_FLAGS),) +$(error Specify CROSS_COMPILE or add '--target=' option to lib.mk) +else +CLANG_FLAGS += --target=$(CLANG_TARGET_FLAGS) +endif # CLANG_TARGET_FLAGS +else +CLANG_FLAGS += --target=$(notdir $(CROSS_COMPILE:%-=%)) +endif # CROSS_COMPILE + +CC := $(LLVM_PREFIX)clang$(LLVM_SUFFIX) $(CLANG_FLAGS) -fintegrated-as +else +CC := $(CROSS_COMPILE)gcc +endif # LLVM + +ifeq (0,$(MAKELEVEL)) + ifeq ($(OUTPUT),) + OUTPUT := $(shell pwd) + DEFAULT_INSTALL_HDR_PATH := 1 + endif +endif +selfdir = $(realpath $(dir $(filter %/lib.mk,$(MAKEFILE_LIST)))) +top_srcdir = $(selfdir)/../../.. + +ifeq ($(KHDR_INCLUDES),) +KHDR_INCLUDES := -isystem $(top_srcdir)/usr/include +endif + +# The following are built by lib.mk common compile rules. +# TEST_CUSTOM_PROGS should be used by tests that require +# custom build rule and prevent common build rule use. +# TEST_PROGS are for test shell scripts. +# TEST_CUSTOM_PROGS and TEST_PROGS will be run by common run_tests +# and install targets. Common clean doesn't touch them. +TEST_GEN_PROGS := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS)) +TEST_GEN_PROGS_EXTENDED := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS_EXTENDED)) +TEST_GEN_FILES := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_FILES)) + +all: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) + +define RUN_TESTS + BASE_DIR="$(selfdir)"; \ + . $(selfdir)/kselftest/runner.sh; \ + if [ "X$(summary)" != "X" ]; then \ + per_test_logging=1; \ + fi; \ + run_many $(1) +endef + +run_tests: all +ifdef building_out_of_srctree + @if [ "X$(TEST_PROGS)$(TEST_PROGS_EXTENDED)$(TEST_FILES)" != "X" ]; then \ + rsync -aq --copy-unsafe-links $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES) $(OUTPUT); \ + fi + @if [ "X$(TEST_PROGS)" != "X" ]; then \ + $(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) \ + $(addprefix $(OUTPUT)/,$(TEST_PROGS))) ; \ + else \ + $(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS)); \ + fi +else + @$(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_PROGS)) +endif + +define INSTALL_SINGLE_RULE + $(if $(INSTALL_LIST),@mkdir -p $(INSTALL_PATH)) + $(if $(INSTALL_LIST),rsync -a --copy-unsafe-links $(INSTALL_LIST) $(INSTALL_PATH)/) +endef + +define INSTALL_RULE + $(eval INSTALL_LIST = $(TEST_PROGS)) $(INSTALL_SINGLE_RULE) + $(eval INSTALL_LIST = $(TEST_PROGS_EXTENDED)) $(INSTALL_SINGLE_RULE) + $(eval INSTALL_LIST = $(TEST_FILES)) $(INSTALL_SINGLE_RULE) + $(eval INSTALL_LIST = $(TEST_GEN_PROGS)) $(INSTALL_SINGLE_RULE) + $(eval INSTALL_LIST = $(TEST_CUSTOM_PROGS)) $(INSTALL_SINGLE_RULE) + $(eval INSTALL_LIST = $(TEST_GEN_PROGS_EXTENDED)) $(INSTALL_SINGLE_RULE) + $(eval INSTALL_LIST = $(TEST_GEN_FILES)) $(INSTALL_SINGLE_RULE) + $(eval INSTALL_LIST = $(wildcard config settings)) $(INSTALL_SINGLE_RULE) +endef + +install: all +ifdef INSTALL_PATH + $(INSTALL_RULE) +else + $(error Error: set INSTALL_PATH to use install) +endif + +emit_tests: + for TEST in $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_PROGS); do \ + BASENAME_TEST=`basename $$TEST`; \ + echo "$(COLLECTION):$$BASENAME_TEST"; \ + done + +# define if isn't already. It is undefined in make O= case. +ifeq ($(RM),) +RM := rm -f +endif + +define CLEAN + $(RM) -r $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(EXTRA_CLEAN) +endef + +clean: + $(CLEAN) + +# Enables to extend CFLAGS and LDFLAGS from command line, e.g. +# make USERCFLAGS=-Werror USERLDFLAGS=-static +CFLAGS += $(USERCFLAGS) +LDFLAGS += $(USERLDFLAGS) + +# When make O= with kselftest target from main level +# the following aren't defined. +# +ifdef building_out_of_srctree +LINK.c = $(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH) +COMPILE.S = $(CC) $(ASFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c +LINK.S = $(CC) $(ASFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH) +endif + +# Selftest makefiles can override those targets by setting +# OVERRIDE_TARGETS = 1. +ifeq ($(OVERRIDE_TARGETS),) +LOCAL_HDRS += $(selfdir)/kselftest_harness.h $(selfdir)/kselftest.h +$(OUTPUT)/%:%.c $(LOCAL_HDRS) + $(LINK.c) $(filter-out $(LOCAL_HDRS),$^) $(LDLIBS) -o $@ + +$(OUTPUT)/%.o:%.S + $(COMPILE.S) $^ -o $@ + +$(OUTPUT)/%:%.S + $(LINK.S) $^ $(LDLIBS) -o $@ +endif + +.PHONY: run_tests all clean install emit_tests |