diff options
Diffstat (limited to 'tools/testing/selftests/bpf/Makefile')
| -rw-r--r-- | tools/testing/selftests/bpf/Makefile | 65 |
1 files changed, 50 insertions, 15 deletions
diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile index 7f3196af1ae4..6889c19a628c 100644 --- a/tools/testing/selftests/bpf/Makefile +++ b/tools/testing/selftests/bpf/Makefile @@ -17,6 +17,7 @@ LLC ?= llc LLVM_OBJCOPY ?= llvm-objcopy LLVM_READELF ?= llvm-readelf BTF_PAHOLE ?= pahole +BPF_GCC ?= $(shell command -v bpf-gcc;) CFLAGS += -g -Wall -O2 -I$(APIDIR) -I$(LIBDIR) -I$(BPFDIR) -I$(GENDIR) $(GENFLAGS) -I../../../include \ -Dbpf_prog_load=bpf_prog_test_load \ -Dbpf_load_program=bpf_test_load_program @@ -46,6 +47,10 @@ ifneq ($(SUBREG_CODEGEN),) TEST_GEN_FILES += $(patsubst %.o,alu32/%.o, $(BPF_OBJ_FILES)) endif +ifneq ($(BPF_GCC),) +TEST_GEN_FILES += $(patsubst %.o,bpf_gcc/%.o, $(BPF_OBJ_FILES)) +endif + # Order correspond to 'make run_tests' order TEST_PROGS := test_kmod.sh \ test_libbpf.sh \ @@ -137,16 +142,19 @@ endif # # Use '-idirafter': Don't interfere with include mechanics except where the # build would have failed anyways. -CLANG_SYS_INCLUDES := $(shell $(CLANG) -v -E - </dev/null 2>&1 \ +define get_sys_includes +$(shell $(1) -v -E - </dev/null 2>&1 \ | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') +endef +CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG)) +BPF_CFLAGS = -I. -I./include/uapi -I../../../include/uapi \ + -I$(OUTPUT)/../usr/include -D__TARGET_ARCH_$(SRCARCH) -CLANG_FLAGS = -I. -I./include/uapi -I../../../include/uapi \ - $(CLANG_SYS_INCLUDES) \ - -Wno-compare-distinct-pointer-types \ - -D__TARGET_ARCH_$(SRCARCH) +CLANG_CFLAGS = $(CLANG_SYS_INCLUDES) \ + -Wno-compare-distinct-pointer-types -$(OUTPUT)/test_l4lb_noinline.o: CLANG_FLAGS += -fno-inline -$(OUTPUT)/test_xdp_noinline.o: CLANG_FLAGS += -fno-inline +$(OUTPUT)/test_l4lb_noinline.o: BPF_CFLAGS += -fno-inline +$(OUTPUT)/test_xdp_noinline.o: BPF_CFLAGS += -fno-inline $(OUTPUT)/test_queue_map.o: test_queue_stack_map.h $(OUTPUT)/test_stack_map.o: test_queue_stack_map.h @@ -163,12 +171,12 @@ BTF_LLVM_PROBE := $(shell echo "int main() { return 0; }" | \ /bin/rm -f ./llvm_btf_verify.o) ifneq ($(BTF_LLVM_PROBE),) - CLANG_FLAGS += -g + BPF_CFLAGS += -g else ifneq ($(BTF_LLC_PROBE),) ifneq ($(BTF_PAHOLE_PROBE),) ifneq ($(BTF_OBJCOPY_PROBE),) - CLANG_FLAGS += -g + BPF_CFLAGS += -g LLC_FLAGS += -mattr=dwarfris DWARF2BTF = y endif @@ -202,8 +210,8 @@ $(ALU32_BUILD_DIR)/test_progs_32: prog_tests/*.c $(ALU32_BUILD_DIR)/%.o: progs/%.c $(ALU32_BUILD_DIR)/test_progs_32 \ | $(ALU32_BUILD_DIR) - ($(CLANG) $(CLANG_FLAGS) -O2 -target bpf -emit-llvm -c $< -o - || \ - echo "clang failed") | \ + ($(CLANG) $(BPF_CFLAGS) $(CLANG_CFLAGS) -O2 -target bpf -emit-llvm \ + -c $< -o - || echo "clang failed") | \ $(LLC) -march=bpf -mattr=+alu32 -mcpu=$(CPU) $(LLC_FLAGS) \ -filetype=obj -o $@ ifeq ($(DWARF2BTF),y) @@ -211,10 +219,37 @@ ifeq ($(DWARF2BTF),y) endif endif +ifneq ($(BPF_GCC),) +GCC_SYS_INCLUDES = $(call get_sys_includes,gcc) +IS_LITTLE_ENDIAN = $(shell $(CC) -dM -E - </dev/null | \ + grep 'define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__') +ifeq ($(IS_LITTLE_ENDIAN),) +MENDIAN=-mbig-endian +else +MENDIAN=-mlittle-endian +endif +BPF_GCC_CFLAGS = $(GCC_SYS_INCLUDES) $(MENDIAN) +BPF_GCC_BUILD_DIR = $(OUTPUT)/bpf_gcc +TEST_CUSTOM_PROGS += $(BPF_GCC_BUILD_DIR)/test_progs_bpf_gcc +$(BPF_GCC_BUILD_DIR): + mkdir -p $@ + +$(BPF_GCC_BUILD_DIR)/urandom_read: $(OUTPUT)/urandom_read | $(BPF_GCC_BUILD_DIR) + cp $< $@ + +$(BPF_GCC_BUILD_DIR)/test_progs_bpf_gcc: $(OUTPUT)/test_progs \ + | $(BPF_GCC_BUILD_DIR) + cp $< $@ + +$(BPF_GCC_BUILD_DIR)/%.o: progs/%.c $(BPF_GCC_BUILD_DIR)/test_progs_bpf_gcc \ + | $(BPF_GCC_BUILD_DIR) + $(BPF_GCC) $(BPF_CFLAGS) $(BPF_GCC_CFLAGS) -O2 -c $< -o $@ +endif + # Have one program compiled without "-target bpf" to test whether libbpf loads # it successfully $(OUTPUT)/test_xdp.o: progs/test_xdp.c - ($(CLANG) $(CLANG_FLAGS) -O2 -emit-llvm -c $< -o - || \ + ($(CLANG) $(BPF_CFLAGS) $(CLANG_CFLAGS) -O2 -emit-llvm -c $< -o - || \ echo "clang failed") | \ $(LLC) -march=bpf -mcpu=$(CPU) $(LLC_FLAGS) -filetype=obj -o $@ ifeq ($(DWARF2BTF),y) @@ -222,8 +257,8 @@ ifeq ($(DWARF2BTF),y) endif $(OUTPUT)/%.o: progs/%.c - ($(CLANG) $(CLANG_FLAGS) -O2 -target bpf -emit-llvm -c $< -o - || \ - echo "clang failed") | \ + ($(CLANG) $(BPF_CFLAGS) $(CLANG_CFLAGS) -O2 -target bpf -emit-llvm \ + -c $< -o - || echo "clang failed") | \ $(LLC) -march=bpf -mcpu=$(CPU) $(LLC_FLAGS) -filetype=obj -o $@ ifeq ($(DWARF2BTF),y) $(BTF_PAHOLE) -J $@ @@ -282,6 +317,6 @@ $(VERIFIER_TESTS_H): $(VERIFIER_TEST_FILES) | $(VERIFIER_TESTS_DIR) echo '#endif' \ ) > $(VERIFIER_TESTS_H)) -EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(ALU32_BUILD_DIR) \ +EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(ALU32_BUILD_DIR) $(BPF_GCC_BUILD_DIR) \ $(VERIFIER_TESTS_H) $(PROG_TESTS_H) $(MAP_TESTS_H) \ feature |