mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-13 14:14:37 +00:00
71bb428fe2
Add a simple tool for querying and updating BPF objects on the system. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
80 lines
1.7 KiB
Makefile
80 lines
1.7 KiB
Makefile
include ../../scripts/Makefile.include
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include ../../scripts/utilities.mak
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ifeq ($(srctree),)
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srctree := $(patsubst %/,%,$(dir $(CURDIR)))
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srctree := $(patsubst %/,%,$(dir $(srctree)))
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srctree := $(patsubst %/,%,$(dir $(srctree)))
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#$(info Determined 'srctree' to be $(srctree))
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endif
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ifneq ($(objtree),)
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#$(info Determined 'objtree' to be $(objtree))
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endif
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ifneq ($(OUTPUT),)
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#$(info Determined 'OUTPUT' to be $(OUTPUT))
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# Adding $(OUTPUT) as a directory to look for source files,
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# because use generated output files as sources dependency
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# for flex/bison parsers.
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VPATH += $(OUTPUT)
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export VPATH
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endif
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ifeq ($(V),1)
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Q =
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else
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Q = @
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endif
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BPF_DIR = $(srctree)/tools/lib/bpf/
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ifneq ($(OUTPUT),)
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BPF_PATH=$(OUTPUT)
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else
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BPF_PATH=$(BPF_DIR)
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endif
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LIBBPF = $(BPF_PATH)libbpf.a
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$(LIBBPF): FORCE
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$(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(OUTPUT) $(OUTPUT)libbpf.a FEATURES_DUMP=$(FEATURE_DUMP_EXPORT)
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$(LIBBPF)-clean:
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$(call QUIET_CLEAN, libbpf)
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$(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(OUTPUT) clean >/dev/null
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prefix = /usr
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CC = gcc
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CFLAGS += -O2
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CFLAGS += -W -Wall -Wextra -Wno-unused-parameter -Wshadow
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CFLAGS += -D__EXPORTED_HEADERS__ -I$(srctree)/tools/include/uapi -I$(srctree)/tools/include -I$(srctree)/tools/lib/bpf
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LIBS = -lelf -lbfd -lopcodes $(LIBBPF)
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include $(wildcard *.d)
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all: $(OUTPUT)bpftool
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SRCS=$(wildcard *.c)
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OBJS=$(patsubst %.c,$(OUTPUT)%.o,$(SRCS))
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$(OUTPUT)bpftool: $(OBJS) $(LIBBPF)
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$(QUIET_LINK)$(CC) $(CFLAGS) -o $@ $^ $(LIBS)
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$(OUTPUT)%.o: %.c
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$(QUIET_CC)$(COMPILE.c) -MMD -o $@ $<
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clean: $(LIBBPF)-clean
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$(call QUIET_CLEAN, bpftool)
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$(Q)rm -rf $(OUTPUT)bpftool $(OUTPUT)*.o $(OUTPUT)*.d
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install:
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install $(OUTPUT)bpftool $(prefix)/sbin/bpftool
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FORCE:
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.PHONY: all clean FORCE
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.DEFAULT_GOAL := all
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