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Message-ID: <20200113073143.1779940-4-andriin@fb.com>
Date: Sun, 12 Jan 2020 23:31:40 -0800
From: Andrii Nakryiko <andriin@...com>
To: <bpf@...r.kernel.org>, <netdev@...r.kernel.org>, <ast@...com>,
<daniel@...earbox.net>
CC: <andrii.nakryiko@...il.com>, <kernel-team@...com>,
Andrii Nakryiko <andriin@...com>
Subject: [PATCH v2 bpf-next 3/6] selftests/bpf: conform selftests/bpf Makefile output to libbpf and bpftool
Bring selftest/bpf's Makefile output to the same format used by libbpf and
bpftool: 2 spaces of padding on the left + 8-character left-aligned build step
identifier.
Also, hide feature detection output by default. Can be enabled back by setting
V=1.
Signed-off-by: Andrii Nakryiko <andriin@...com>
---
tools/testing/selftests/bpf/Makefile | 47 +++++++++++++++-------------
1 file changed, 25 insertions(+), 22 deletions(-)
diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
index c28e67548f45..bf9f7e415e95 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -87,14 +87,15 @@ Q =
msg =
else
Q = @
-msg = @$(info $(1)$(if $(2), [$(2)]) $(notdir $(3)))$(if $(4), $(4))
+msg = @printf ' %-8s%s %s%s\n' "$(1)" "$(if $(2), [$(2)])" "$(notdir $(3))" "$(if $(4), $(4))";
MAKEFLAGS += --no-print-directory
+submake_extras := feature_display=0
endif
# override lib.mk's default rules
OVERRIDE_TARGETS := 1
override define CLEAN
- $(call msg, CLEAN)
+ $(call msg,CLEAN)
$(RM) -r $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(EXTRA_CLEAN)
$(MAKE) -C $(BPFDIR) OUTPUT=$(OUTPUT)/ clean
endef
@@ -112,15 +113,15 @@ $(notdir $(TEST_GEN_PROGS) \
$(TEST_CUSTOM_PROGS)): %: $(OUTPUT)/% ;
$(OUTPUT)/%:%.c
- $(call msg, BINARY,,$@)
+ $(call msg,BINARY,,$@)
$(LINK.c) $^ $(LDLIBS) -o $@
$(OUTPUT)/urandom_read: urandom_read.c
- $(call msg, BINARY,,$@)
+ $(call msg,BINARY,,$@)
$(CC) -o $@ $< -Wl,--build-id
$(OUTPUT)/test_stub.o: test_stub.c
- $(call msg, CC,,$@)
+ $(call msg,CC,,$@)
$(CC) -c $(CFLAGS) -o $@ $<
BPFOBJ := $(OUTPUT)/libbpf.a
@@ -146,18 +147,20 @@ $(OUTPUT)/test_sysctl: cgroup_helpers.c
# force a rebuild of BPFOBJ when its dependencies are updated
force:
-DEFAULT_BPFTOOL := $(OUTPUT)/tools/usr/local/sbin/bpftool
+DEFAULT_BPFTOOL := $(OUTPUT)/tools/sbin/bpftool
BPFTOOL ?= $(DEFAULT_BPFTOOL)
$(DEFAULT_BPFTOOL): force
- $(Q)$(MAKE) -C $(BPFTOOLDIR) DESTDIR=$(OUTPUT)/tools install
+ $(Q)$(MAKE) $(submake_extras) -C $(BPFTOOLDIR) \
+ prefix= DESTDIR=$(OUTPUT)/tools/ install
$(BPFOBJ): force
- $(Q)$(MAKE) -C $(BPFDIR) OUTPUT=$(OUTPUT)/
+ $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) OUTPUT=$(OUTPUT)/
BPF_HELPERS := $(OUTPUT)/bpf_helper_defs.h $(wildcard $(BPFDIR)/bpf_*.h)
$(OUTPUT)/bpf_helper_defs.h: $(BPFOBJ)
- $(Q)$(MAKE) -C $(BPFDIR) OUTPUT=$(OUTPUT)/ $(OUTPUT)/bpf_helper_defs.h
+ $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) \
+ OUTPUT=$(OUTPUT)/ $(OUTPUT)/bpf_helper_defs.h
# Get Clang's default includes on this system, as opposed to those seen by
# '-target bpf'. This fixes "missing" files on some architectures/distros,
@@ -194,28 +197,28 @@ $(OUTPUT)/flow_dissector_load.o: flow_dissector_load.h
# $3 - CFLAGS
# $4 - LDFLAGS
define CLANG_BPF_BUILD_RULE
- $(call msg, CLANG-LLC,$(TRUNNER_BINARY),$2)
+ $(call msg,CLNG-LLC,$(TRUNNER_BINARY),$2)
($(CLANG) $3 -O2 -target bpf -emit-llvm \
-c $1 -o - || echo "BPF obj compilation failed") | \
$(LLC) -mattr=dwarfris -march=bpf -mcpu=probe $4 -filetype=obj -o $2
endef
# Similar to CLANG_BPF_BUILD_RULE, but with disabled alu32
define CLANG_NOALU32_BPF_BUILD_RULE
- $(call msg, CLANG-LLC,$(TRUNNER_BINARY),$2)
+ $(call msg,CLNG-LLC,$(TRUNNER_BINARY),$2)
($(CLANG) $3 -O2 -target bpf -emit-llvm \
-c $1 -o - || echo "BPF obj compilation failed") | \
$(LLC) -march=bpf -mcpu=v2 $4 -filetype=obj -o $2
endef
# Similar to CLANG_BPF_BUILD_RULE, but using native Clang and bpf LLC
define CLANG_NATIVE_BPF_BUILD_RULE
- $(call msg, CLANG-BPF,$(TRUNNER_BINARY),$2)
+ $(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2)
($(CLANG) $3 -O2 -emit-llvm \
-c $1 -o - || echo "BPF obj compilation failed") | \
$(LLC) -march=bpf -mcpu=probe $4 -filetype=obj -o $2
endef
# Build BPF object using GCC
define GCC_BPF_BUILD_RULE
- $(call msg, GCC-BPF,$(TRUNNER_BINARY),$2)
+ $(call msg,GCC-BPF,$(TRUNNER_BINARY),$2)
$(BPF_GCC) $3 $4 -O2 -c $1 -o $2
endef
@@ -256,7 +259,7 @@ define DEFINE_TEST_RUNNER_RULES
ifeq ($($(TRUNNER_OUTPUT)-dir),)
$(TRUNNER_OUTPUT)-dir := y
$(TRUNNER_OUTPUT):
- $$(call msg, MKDIR,,$$@)
+ $$(call msg,MKDIR,,$$@)
mkdir -p $$@
endif
@@ -275,7 +278,7 @@ $(TRUNNER_BPF_OBJS): $(TRUNNER_OUTPUT)/%.o: \
$(TRUNNER_BPF_SKELS): $(TRUNNER_OUTPUT)/%.skel.h: \
$(TRUNNER_OUTPUT)/%.o \
| $(BPFTOOL) $(TRUNNER_OUTPUT)
- $$(call msg, GEN-SKEL,$(TRUNNER_BINARY),$$@)
+ $$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@)
$$(BPFTOOL) gen skeleton $$< > $$@
endif
@@ -283,7 +286,7 @@ endif
ifeq ($($(TRUNNER_TESTS_DIR)-tests-hdr),)
$(TRUNNER_TESTS_DIR)-tests-hdr := y
$(TRUNNER_TESTS_HDR): $(TRUNNER_TESTS_DIR)/*.c
- $$(call msg, TEST-HDR,$(TRUNNER_BINARY),$$@)
+ $$(call msg,TEST-HDR,$(TRUNNER_BINARY),$$@)
$$(shell ( cd $(TRUNNER_TESTS_DIR); \
echo '/* Generated header, do not edit */'; \
ls *.c 2> /dev/null | \
@@ -299,7 +302,7 @@ $(TRUNNER_TEST_OBJS): $(TRUNNER_OUTPUT)/%.test.o: \
$(TRUNNER_BPF_OBJS) \
$(TRUNNER_BPF_SKELS) \
$$(BPFOBJ) | $(TRUNNER_OUTPUT)
- $$(call msg, TEST-OBJ,$(TRUNNER_BINARY),$$@)
+ $$(call msg,TEST-OBJ,$(TRUNNER_BINARY),$$@)
cd $$(@D) && $$(CC) $$(CFLAGS) -c $(CURDIR)/$$< $$(LDLIBS) -o $$(@F)
$(TRUNNER_EXTRA_OBJS): $(TRUNNER_OUTPUT)/%.o: \
@@ -307,20 +310,20 @@ $(TRUNNER_EXTRA_OBJS): $(TRUNNER_OUTPUT)/%.o: \
$(TRUNNER_EXTRA_HDRS) \
$(TRUNNER_TESTS_HDR) \
$$(BPFOBJ) | $(TRUNNER_OUTPUT)
- $$(call msg, EXTRA-OBJ,$(TRUNNER_BINARY),$$@)
+ $$(call msg,EXT-OBJ,$(TRUNNER_BINARY),$$@)
$$(CC) $$(CFLAGS) -c $$< $$(LDLIBS) -o $$@
# only copy extra resources if in flavored build
$(TRUNNER_BINARY)-extras: $(TRUNNER_EXTRA_FILES) | $(TRUNNER_OUTPUT)
ifneq ($2,)
- $$(call msg, EXTRAS-CP,$(TRUNNER_BINARY),$(TRUNNER_EXTRA_FILES))
+ $$(call msg,EXT-COPY,$(TRUNNER_BINARY),$(TRUNNER_EXTRA_FILES))
cp -a $$^ $(TRUNNER_OUTPUT)/
endif
$(OUTPUT)/$(TRUNNER_BINARY): $(TRUNNER_TEST_OBJS) \
$(TRUNNER_EXTRA_OBJS) $$(BPFOBJ) \
| $(TRUNNER_BINARY)-extras
- $$(call msg, BINARY,,$$@)
+ $$(call msg,BINARY,,$$@)
$$(CC) $$(CFLAGS) $$(filter %.a %.o,$$^) $$(LDLIBS) -o $$@
endef
@@ -372,12 +375,12 @@ verifier/tests.h: verifier/*.c
echo '#endif' \
) > verifier/tests.h)
$(OUTPUT)/test_verifier: test_verifier.c verifier/tests.h $(BPFOBJ) | $(OUTPUT)
- $(call msg, BINARY,,$@)
+ $(call msg,BINARY,,$@)
$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@
# Make sure we are able to include and link libbpf against c++.
$(OUTPUT)/test_cpp: test_cpp.cpp $(OUTPUT)/test_core_extern.skel.h $(BPFOBJ)
- $(call msg, CXX,,$@)
+ $(call msg,CXX,,$@)
$(CXX) $(CFLAGS) $^ $(LDLIBS) -o $@
EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) \
--
2.17.1
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