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Multi-file BPF C builds (#2393)

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This commit is contained in:
Jak May
2019-01-11 15:33:21 -08:00
committed by GitHub
parent 79b334b7f1
commit 23c43ed21b
13 changed files with 129 additions and 38 deletions
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121
sdk/bpf/bpf.mk
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@ -145,42 +145,56 @@ help:
@echo ' - make dump_foo'
@echo ''
define C_RULE
$1: $2
@echo "[cc] $1 ($2)"
$(_@)mkdir -p $(dir $1)
$(_@)$(CC) $(BPF_C_FLAGS) -o $1 -c $2 -MD -MF $(1:.ll=.d)
endef
define CC_RULE
$1: $2
@echo "[cxx] $1 ($2)"
$(_@)mkdir -p $(dir $1)
$(_@)$(CXX) $(BPF_CXX_FLAGS) -o $1 -c $2 -MD -MF $(1:.ll=.d)
endef
define O_RULE
$1: $2
@echo "[llc] $1 ($2)"
$(_@)mkdir -p $(dir $1)
$(_@)$(LLC) $(BPF_LLC_FLAGS) -o $1 $2
endef
define SO_RULE
$1: $2
@echo "[lld] $1 ($2)"
$(_@)mkdir -p $(dir $1)
$(_@)$(LLD) $(BPF_LLD_FLAGS) --entry entrypoint -o $1 $2
endef
define TEST_C_RULE
$1: $2
@echo "[test cc] $1 ($2)"
$(_@)mkdir -p $(dir $1)
$(_@)$(CC) $(TEST_C_FLAGS) -o $1 $2 -MD -MF $(1:.o=.d)
$(_@)$(MACOS_ADJUST_TEST_DYLIB) $1
endef
define TEST_CC_RULE
$1: $2
@echo "[test cxx] $1 ($2)"
$(_@)mkdir -p $(dir $1)
$(_@)$(CXX) $(TEST_CXX_FLAGS) -o $1 $2 -MD -MF $(1:.o=.d)
$(_@)$(MACOS_ADJUST_TEST_DYLIB) $1
endef
.PHONY: $(INSTALL_SH)
$(INSTALL_SH):
$(INSTALL_SH)
$(_@)$(INSTALL_SH)
.PRECIOUS: $(OUT_DIR)/%.o
$(OUT_DIR)/%.o: $(SRC_DIR)/%.c $(INSTALL_SH)
@echo "[cc] $@ ($<)"
$(_@)mkdir -p $(OUT_DIR)
$(_@)$(CC) $(BPF_C_FLAGS) -o $@ -c $< -MD -MF $(@:.o=.d)
$(OUT_DIR)/%.o: $(SRC_DIR)/%.cc $(INSTALL_SH)
@echo "[cxx] $@ ($<)"
$(_@)mkdir -p $(OUT_DIR)
$(_@)$(CXX) $(BPF_CXX_FLAGS) -o $@ -c $< -MD -MF $(@:.o=.d)
.PRECIOUS: $(OUT_DIR)/%.so
$(OUT_DIR)/%.so: $(OUT_DIR)/%.o $(INSTALL_SH)
@echo "[lld] $@ ($<)"
$(_@)$(LLD) $(BPF_LLD_FLAGS) -o $@ $<
$(OUT_DIR)/test_%: $(TEST_DIR)/%.c $(INSTALL_SH)
@echo "[test cc] $@ ($<)"
$(_@)mkdir -p $(OUT_DIR)
$(_@)$(CC) $(TEST_C_FLAGS) -o $@ $< -MD -MF $(@:=.d)
$(_@)$(MACOS_ADJUST_TEST_DYLIB) $@
$(OUT_DIR)/test_%: $(TEST_DIR)/%.cc $(INSTALL_SH)
@echo "[test cxx] $@ ($<)"
$(_@)mkdir -p $(OUT_DIR)
$(_@)$(CXX) $(TEST_CXX_FLAGS) -o $@ $< -MD -MF $(@:=.d)
$(_@)$(MACOS_ADJUST_TEST_DYLIB) $@
-include $(wildcard $(OUT_DIR)/*.d)
PROGRAM_NAMES := $(notdir $(basename $(wildcard $(SRC_DIR)/*.c $(SRC_DIR)/*.cc)))
TEST_NAMES := $(addprefix test_,$(notdir $(basename $(wildcard $(TEST_DIR)/*.c))))
PROGRAM_NAMES := $(notdir $(basename $(wildcard $(SRC_DIR)/*)))
# TEST_NAMES := $(addprefix test_,$(notdir $(basename $(wildcard $(TEST_DIR)/*.c))))
define \n
@ -189,11 +203,44 @@ endef
all: $(PROGRAM_NAMES)
test: $(TEST_NAMES)
$(foreach test, $(TEST_NAMES), $(OUT_DIR)/$(test)$(\n))
.PHONY: $(PROGRAM_NAMES)
$(PROGRAM_NAMES): $(INSTALL_SH)
$(PROGRAM_NAMES): %: $(addprefix $(OUT_DIR)/, %.so)
$(PROGRAM_NAMES): %: $(addprefix $(OUT_DIR)/, %.so) ;
$(TEST_NAMES): %: $(addprefix $(OUT_DIR)/, %) ;
$(foreach PROGRAM, $(PROGRAM_NAMES), \
$(eval -include $(wildcard $(OUT_DIR)/$(PROGRAM)/*.d)) \
\
$(eval $(PROGRAM)_SRCS := \
$(addprefix $(SRC_DIR)/$(PROGRAM)/, \
$(filter-out test_%,$(notdir $(wildcard $(SRC_DIR)/$(PROGRAM)/*.c $(SRC_DIR)/$(PROGRAM)/*.cc))))) \
$(eval $(PROGRAM)_OBJS := $(subst $(SRC_DIR), $(OUT_DIR), \
$(patsubst %.c,%.o, \
$(patsubst %.cc,%.o,$($(PROGRAM)_SRCS))))) \
$(eval $(call SO_RULE,$(OUT_DIR)/$(PROGRAM).so,$($(PROGRAM)_OBJS))) \
$(foreach _,$(filter %.c,$($(PROGRAM)_SRCS)), \
$(eval $(call C_RULE,$(subst $(SRC_DIR),$(OUT_DIR),$(_:%.c=%.o)),$_))) \
$(foreach _,$(filter %.cc,$($(PROGRAM)_SRCS)), \
$(eval $(call CC_RULE,$(subst $(SRC_DIR),$(OUT_DIR),$(_:%.cc=%.o)),$_))) \
\
$(eval TESTS := $(notdir $(basename $(wildcard $(SRC_DIR)/$(PROGRAM)/test_*.c)))) \
$(eval $(TESTS): %: $(addprefix $(OUT_DIR)/$(PROGRAM)/, %)) \
$(eval TEST_NAMES := $(TEST_NAMES) $(TESTS)) \
$(foreach TEST, $(TESTS), \
$(eval $(TEST)_SRCS := \
$(addprefix $(SRC_DIR)/$(PROGRAM)/, \
$(notdir $(wildcard $(SRC_DIR)/$(PROGRAM)/test_*.c $(SRC_DIR)/$(PROGRAM)/test_*.cc)))) \
$(foreach _,$(filter %.c,$($(TEST)_SRCS)), \
$(eval $(call TEST_C_RULE,$(subst $(SRC_DIR),$(OUT_DIR),$(_:%.c=%)),$_))) \
$(foreach _,$(filter %.cc, $($(TEST)_SRCS)), \
$(eval $(call TEST_CC_RULE,$(subst $(SRC_DIR),$(OUT_DIR),$(_:%.cc=%)),$_))) \
) \
)
test: $(TEST_NAMES)
$(foreach test, $(TEST_NAMES), $(OUT_DIR)/bench_alu/$(test)$(\n))
.PHONY: $(TEST_NAMES)
$(TEST_NAMES): $(INSTALL_SH)
dump_%: %
$(_@)$(OBJ_DUMP) $(OBJ_DUMP_FLAGS) $(addprefix $(OUT_DIR)/, $(addsuffix .so, $<))