Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/tools/bpf/bpftool/Makefile b/tools/bpf/bpftool/Makefile
index 74288a2..39bc6f0 100644
--- a/tools/bpf/bpftool/Makefile
+++ b/tools/bpf/bpftool/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
include ../../scripts/Makefile.include
include ../../scripts/utilities.mak
@@ -16,29 +17,30 @@
BPF_DIR = $(srctree)/tools/lib/bpf/
ifneq ($(OUTPUT),)
- BPF_PATH = $(OUTPUT)
+ LIBBPF_OUTPUT = $(OUTPUT)/libbpf/
+ LIBBPF_PATH = $(LIBBPF_OUTPUT)
else
- BPF_PATH = $(BPF_DIR)
+ LIBBPF_PATH = $(BPF_DIR)
endif
-LIBBPF = $(BPF_PATH)libbpf.a
+LIBBPF = $(LIBBPF_PATH)libbpf.a
-BPFTOOL_VERSION := $(shell make --no-print-directory -sC ../../.. kernelversion)
+BPFTOOL_VERSION := $(shell make -rR --no-print-directory -sC ../../.. kernelversion)
$(LIBBPF): FORCE
- $(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(OUTPUT) $(OUTPUT)libbpf.a
+ $(if $(LIBBPF_OUTPUT),@mkdir -p $(LIBBPF_OUTPUT))
+ $(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIBBPF_OUTPUT) $(LIBBPF_OUTPUT)libbpf.a
$(LIBBPF)-clean:
$(call QUIET_CLEAN, libbpf)
- $(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(OUTPUT) clean >/dev/null
+ $(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIBBPF_OUTPUT) clean >/dev/null
prefix ?= /usr/local
bash_compdir ?= /usr/share/bash-completion/completions
-CC = gcc
-
CFLAGS += -O2
-CFLAGS += -W -Wall -Wextra -Wno-unused-parameter -Wshadow -Wno-missing-field-initializers
+CFLAGS += -W -Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers
+CFLAGS += $(filter-out -Wswitch-enum,$(EXTRA_WARNINGS))
CFLAGS += -DPACKAGE='"bpftool"' -D__EXPORTED_HEADERS__ \
-I$(srctree)/kernel/bpf/ \
-I$(srctree)/tools/include \
@@ -46,14 +48,21 @@
-I$(srctree)/tools/lib/bpf \
-I$(srctree)/tools/perf
CFLAGS += -DBPFTOOL_VERSION='"$(BPFTOOL_VERSION)"'
-LIBS = -lelf -lbfd -lopcodes $(LIBBPF)
+ifneq ($(EXTRA_CFLAGS),)
+CFLAGS += $(EXTRA_CFLAGS)
+endif
+ifneq ($(EXTRA_LDFLAGS),)
+LDFLAGS += $(EXTRA_LDFLAGS)
+endif
+
+LIBS = $(LIBBPF) -lelf -lz
INSTALL ?= install
RM ?= rm -f
FEATURE_USER = .bpftool
-FEATURE_TESTS = libbfd disassembler-four-args reallocarray
-FEATURE_DISPLAY = libbfd disassembler-four-args
+FEATURE_TESTS = libbfd disassembler-four-args reallocarray zlib
+FEATURE_DISPLAY = libbfd disassembler-four-args zlib
check_feat := 1
NON_CHECK_FEAT_TARGETS := clean uninstall doc doc-clean doc-install doc-uninstall
@@ -83,23 +92,43 @@
all: $(OUTPUT)bpftool
-SRCS = $(wildcard *.c)
+BFD_SRCS = jit_disasm.c
+
+SRCS = $(filter-out $(BFD_SRCS),$(wildcard *.c))
+
+ifeq ($(feature-libbfd),1)
+ LIBS += -lbfd -ldl -lopcodes
+else ifeq ($(feature-libbfd-liberty),1)
+ LIBS += -lbfd -ldl -lopcodes -liberty
+else ifeq ($(feature-libbfd-liberty-z),1)
+ LIBS += -lbfd -ldl -lopcodes -liberty -lz
+endif
+
+ifneq ($(filter -lbfd,$(LIBS)),)
+CFLAGS += -DHAVE_LIBBFD_SUPPORT
+SRCS += $(BFD_SRCS)
+endif
+
OBJS = $(patsubst %.c,$(OUTPUT)%.o,$(SRCS)) $(OUTPUT)disasm.o
$(OUTPUT)disasm.o: $(srctree)/kernel/bpf/disasm.c
$(QUIET_CC)$(COMPILE.c) -MMD -o $@ $<
+$(OUTPUT)feature.o: | zdep
+
$(OUTPUT)bpftool: $(OBJS) $(LIBBPF)
- $(QUIET_LINK)$(CC) $(CFLAGS) -o $@ $^ $(LIBS)
+ $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(OBJS) $(LIBS)
$(OUTPUT)%.o: %.c
$(QUIET_CC)$(COMPILE.c) -MMD -o $@ $<
clean: $(LIBBPF)-clean
$(call QUIET_CLEAN, bpftool)
- $(Q)$(RM) $(OUTPUT)bpftool $(OUTPUT)*.o $(OUTPUT)*.d
+ $(Q)$(RM) -- $(OUTPUT)bpftool $(OUTPUT)*.o $(OUTPUT)*.d
+ $(Q)$(RM) -r -- $(OUTPUT)libbpf/
$(call QUIET_CLEAN, core-gen)
- $(Q)$(RM) $(OUTPUT)FEATURE-DUMP.bpftool
+ $(Q)$(RM) -- $(OUTPUT)FEATURE-DUMP.bpftool
+ $(Q)$(RM) -r -- $(OUTPUT)feature/
install: $(OUTPUT)bpftool
$(call QUIET_INSTALL, bpftool)
@@ -110,8 +139,8 @@
uninstall:
$(call QUIET_UNINST, bpftool)
- $(Q)$(RM) $(DESTDIR)$(prefix)/sbin/bpftool
- $(Q)$(RM) $(DESTDIR)$(bash_compdir)/bpftool
+ $(Q)$(RM) -- $(DESTDIR)$(prefix)/sbin/bpftool
+ $(Q)$(RM) -- $(DESTDIR)$(bash_compdir)/bpftool
doc:
$(call descend,Documentation)
@@ -127,6 +156,9 @@
FORCE:
-.PHONY: all FORCE clean install uninstall
+zdep:
+ @if [ "$(feature-zlib)" != "1" ]; then echo "No zlib found"; exit 1 ; fi
+
+.PHONY: all FORCE clean install uninstall zdep
.PHONY: doc doc-clean doc-install doc-uninstall
.DEFAULT_GOAL := all