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-rw-r--r--tools/bpf/bpftool/Makefile39
-rw-r--r--tools/bpf/bpftool/gen.c1
-rw-r--r--tools/bpf/bpftool/prog.c1
-rw-r--r--tools/bpf/resolve_btfids/Makefile16
-rw-r--r--tools/bpf/resolve_btfids/main.c4
-rw-r--r--tools/bpf/runqslower/Makefile22
6 files changed, 51 insertions, 32 deletions
diff --git a/tools/bpf/bpftool/Makefile b/tools/bpf/bpftool/Makefile
index 1fcf5b01a193..9c2d13c513f0 100644
--- a/tools/bpf/bpftool/Makefile
+++ b/tools/bpf/bpftool/Makefile
@@ -17,19 +17,23 @@ endif
BPF_DIR = $(srctree)/tools/lib/bpf/
ifneq ($(OUTPUT),)
- LIBBPF_OUTPUT = $(OUTPUT)/libbpf/
- LIBBPF_PATH = $(LIBBPF_OUTPUT)
- BOOTSTRAP_OUTPUT = $(OUTPUT)/bootstrap/
+ _OUTPUT := $(OUTPUT)
else
- LIBBPF_OUTPUT =
- LIBBPF_PATH = $(BPF_DIR)
- BOOTSTRAP_OUTPUT = $(CURDIR)/bootstrap/
+ _OUTPUT := $(CURDIR)
endif
+BOOTSTRAP_OUTPUT := $(_OUTPUT)/bootstrap/
+LIBBPF_OUTPUT := $(_OUTPUT)/libbpf/
+LIBBPF_DESTDIR := $(LIBBPF_OUTPUT)
+LIBBPF_INCLUDE := $(LIBBPF_DESTDIR)/include
-LIBBPF = $(LIBBPF_PATH)libbpf.a
+LIBBPF = $(LIBBPF_OUTPUT)libbpf.a
LIBBPF_BOOTSTRAP_OUTPUT = $(BOOTSTRAP_OUTPUT)libbpf/
LIBBPF_BOOTSTRAP = $(LIBBPF_BOOTSTRAP_OUTPUT)libbpf.a
+# We need to copy nlattr.h which is not otherwise exported by libbpf, but still
+# required by bpftool.
+LIBBPF_INTERNAL_HDRS := nlattr.h
+
ifeq ($(BPFTOOL_VERSION),)
BPFTOOL_VERSION := $(shell make -rR --no-print-directory -sC ../../.. kernelversion)
endif
@@ -38,7 +42,13 @@ $(LIBBPF_OUTPUT) $(BOOTSTRAP_OUTPUT) $(LIBBPF_BOOTSTRAP_OUTPUT):
$(QUIET_MKDIR)mkdir -p $@
$(LIBBPF): FORCE | $(LIBBPF_OUTPUT)
- $(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIBBPF_OUTPUT) $(LIBBPF_OUTPUT)libbpf.a
+ $(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIBBPF_OUTPUT) \
+ DESTDIR=$(LIBBPF_DESTDIR) prefix= $(LIBBPF) install_headers
+
+$(LIBBPF_INCLUDE)/bpf/$(LIBBPF_INTERNAL_HDRS): \
+ $(addprefix $(BPF_DIR),$(LIBBPF_INTERNAL_HDRS)) $(LIBBPF)
+ $(call QUIET_INSTALL, bpf/$(notdir $@))
+ $(Q)install -m 644 -t $(LIBBPF_INCLUDE)/bpf/ $(BPF_DIR)$(notdir $@)
$(LIBBPF_BOOTSTRAP): FORCE | $(LIBBPF_BOOTSTRAP_OUTPUT)
$(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIBBPF_BOOTSTRAP_OUTPUT) \
@@ -60,10 +70,10 @@ CFLAGS += -W -Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers
CFLAGS += $(filter-out -Wswitch-enum -Wnested-externs,$(EXTRA_WARNINGS))
CFLAGS += -DPACKAGE='"bpftool"' -D__EXPORTED_HEADERS__ \
-I$(if $(OUTPUT),$(OUTPUT),.) \
+ -I$(LIBBPF_INCLUDE) \
-I$(srctree)/kernel/bpf/ \
-I$(srctree)/tools/include \
-I$(srctree)/tools/include/uapi \
- -I$(srctree)/tools/lib \
-I$(srctree)/tools/perf
CFLAGS += -DBPFTOOL_VERSION='"$(BPFTOOL_VERSION)"'
ifneq ($(EXTRA_CFLAGS),)
@@ -140,7 +150,7 @@ BOOTSTRAP_OBJS = $(addprefix $(BOOTSTRAP_OUTPUT),main.o common.o json_writer.o g
$(BOOTSTRAP_OBJS): $(LIBBPF_BOOTSTRAP)
OBJS = $(patsubst %.c,$(OUTPUT)%.o,$(SRCS)) $(OUTPUT)disasm.o
-$(OBJS): $(LIBBPF)
+$(OBJS): $(LIBBPF) $(LIBBPF_INCLUDE)/bpf/$(LIBBPF_INTERNAL_HDRS)
VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) \
$(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux) \
@@ -167,8 +177,7 @@ $(OUTPUT)%.bpf.o: skeleton/%.bpf.c $(OUTPUT)vmlinux.h $(LIBBPF)
$(QUIET_CLANG)$(CLANG) \
-I$(if $(OUTPUT),$(OUTPUT),.) \
-I$(srctree)/tools/include/uapi/ \
- -I$(LIBBPF_PATH) \
- -I$(srctree)/tools/lib \
+ -I$(LIBBPF_INCLUDE) \
-g -O2 -Wall -target bpf -c $< -o $@ && $(LLVM_STRIP) -g $@
$(OUTPUT)%.skel.h: $(OUTPUT)%.bpf.o $(BPFTOOL_BOOTSTRAP)
@@ -217,10 +226,12 @@ clean: $(LIBBPF)-clean $(LIBBPF_BOOTSTRAP)-clean feature-detect-clean
$(Q)$(RM) -- $(OUTPUT)FEATURE-DUMP.bpftool
$(Q)$(RM) -r -- $(OUTPUT)feature/
-install: $(OUTPUT)bpftool
+install-bin: $(OUTPUT)bpftool
$(call QUIET_INSTALL, bpftool)
$(Q)$(INSTALL) -m 0755 -d $(DESTDIR)$(prefix)/sbin
$(Q)$(INSTALL) $(OUTPUT)bpftool $(DESTDIR)$(prefix)/sbin/bpftool
+
+install: install-bin
$(Q)$(INSTALL) -m 0755 -d $(DESTDIR)$(bash_compdir)
$(Q)$(INSTALL) -m 0644 bash-completion/bpftool $(DESTDIR)$(bash_compdir)
@@ -247,6 +258,6 @@ zdep:
@if [ "$(feature-zlib)" != "1" ]; then echo "No zlib found"; exit 1 ; fi
.SECONDARY:
-.PHONY: all FORCE clean install uninstall zdep
+.PHONY: all FORCE clean install-bin install uninstall zdep
.PHONY: doc doc-clean doc-install doc-uninstall
.DEFAULT_GOAL := all
diff --git a/tools/bpf/bpftool/gen.c b/tools/bpf/bpftool/gen.c
index cc835859465b..b2ffc18eafc1 100644
--- a/tools/bpf/bpftool/gen.c
+++ b/tools/bpf/bpftool/gen.c
@@ -18,7 +18,6 @@
#include <sys/stat.h>
#include <sys/mman.h>
#include <bpf/btf.h>
-#include <bpf/bpf_gen_internal.h>
#include "json_writer.h"
#include "main.h"
diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c
index a24ea7e26aa4..277d51c4c5d9 100644
--- a/tools/bpf/bpftool/prog.c
+++ b/tools/bpf/bpftool/prog.c
@@ -25,7 +25,6 @@
#include <bpf/bpf.h>
#include <bpf/btf.h>
#include <bpf/libbpf.h>
-#include <bpf/bpf_gen_internal.h>
#include <bpf/skel_internal.h>
#include "cfg.h"
diff --git a/tools/bpf/resolve_btfids/Makefile b/tools/bpf/resolve_btfids/Makefile
index 08b75e314ae7..751643f860b2 100644
--- a/tools/bpf/resolve_btfids/Makefile
+++ b/tools/bpf/resolve_btfids/Makefile
@@ -29,25 +29,30 @@ BPFOBJ := $(OUTPUT)/libbpf/libbpf.a
LIBBPF_OUT := $(abspath $(dir $(BPFOBJ)))/
SUBCMDOBJ := $(OUTPUT)/libsubcmd/libsubcmd.a
+LIBBPF_DESTDIR := $(LIBBPF_OUT)
+LIBBPF_INCLUDE := $(LIBBPF_DESTDIR)include
+
BINARY := $(OUTPUT)/resolve_btfids
BINARY_IN := $(BINARY)-in.o
all: $(BINARY)
-$(OUTPUT) $(OUTPUT)/libbpf $(OUTPUT)/libsubcmd:
+$(OUTPUT) $(OUTPUT)/libsubcmd $(LIBBPF_OUT):
$(call msg,MKDIR,,$@)
$(Q)mkdir -p $(@)
$(SUBCMDOBJ): fixdep FORCE | $(OUTPUT)/libsubcmd
$(Q)$(MAKE) -C $(SUBCMD_SRC) OUTPUT=$(abspath $(dir $@))/ $(abspath $@)
-$(BPFOBJ): $(wildcard $(LIBBPF_SRC)/*.[ch] $(LIBBPF_SRC)/Makefile) | $(OUTPUT)/libbpf
- $(Q)$(MAKE) $(submake_extras) -C $(LIBBPF_SRC) OUTPUT=$(LIBBPF_OUT) $(abspath $@)
+$(BPFOBJ): $(wildcard $(LIBBPF_SRC)/*.[ch] $(LIBBPF_SRC)/Makefile) | $(LIBBPF_OUT)
+ $(Q)$(MAKE) $(submake_extras) -C $(LIBBPF_SRC) OUTPUT=$(LIBBPF_OUT) \
+ DESTDIR=$(LIBBPF_DESTDIR) prefix= \
+ $(abspath $@) install_headers
CFLAGS := -g \
-I$(srctree)/tools/include \
-I$(srctree)/tools/include/uapi \
- -I$(LIBBPF_SRC) \
+ -I$(LIBBPF_INCLUDE) \
-I$(SUBCMD_SRC)
LIBS = -lelf -lz
@@ -65,7 +70,8 @@ $(BINARY): $(BPFOBJ) $(SUBCMDOBJ) $(BINARY_IN)
clean_objects := $(wildcard $(OUTPUT)/*.o \
$(OUTPUT)/.*.o.cmd \
$(OUTPUT)/.*.o.d \
- $(OUTPUT)/libbpf \
+ $(LIBBPF_OUT) \
+ $(LIBBPF_DESTDIR) \
$(OUTPUT)/libsubcmd \
$(OUTPUT)/resolve_btfids)
diff --git a/tools/bpf/resolve_btfids/main.c b/tools/bpf/resolve_btfids/main.c
index c6c3e613858a..716e6ad1864b 100644
--- a/tools/bpf/resolve_btfids/main.c
+++ b/tools/bpf/resolve_btfids/main.c
@@ -60,8 +60,8 @@
#include <linux/rbtree.h>
#include <linux/zalloc.h>
#include <linux/err.h>
-#include <btf.h>
-#include <libbpf.h>
+#include <bpf/btf.h>
+#include <bpf/libbpf.h>
#include <parse-options.h>
#define BTF_IDS_SECTION ".BTF_ids"
diff --git a/tools/bpf/runqslower/Makefile b/tools/bpf/runqslower/Makefile
index 3818ec511fd2..bbd1150578f7 100644
--- a/tools/bpf/runqslower/Makefile
+++ b/tools/bpf/runqslower/Makefile
@@ -9,9 +9,9 @@ BPFTOOL ?= $(DEFAULT_BPFTOOL)
LIBBPF_SRC := $(abspath ../../lib/bpf)
BPFOBJ_OUTPUT := $(OUTPUT)libbpf/
BPFOBJ := $(BPFOBJ_OUTPUT)libbpf.a
-BPF_INCLUDE := $(BPFOBJ_OUTPUT)
-INCLUDES := -I$(OUTPUT) -I$(BPF_INCLUDE) -I$(abspath ../../lib) \
- -I$(abspath ../../include/uapi)
+BPF_DESTDIR := $(BPFOBJ_OUTPUT)
+BPF_INCLUDE := $(BPF_DESTDIR)/include
+INCLUDES := -I$(OUTPUT) -I$(BPF_INCLUDE) -I$(abspath ../../include/uapi)
CFLAGS := -g -Wall
# Try to detect best kernel BTF source
@@ -33,7 +33,7 @@ endif
.DELETE_ON_ERROR:
-.PHONY: all clean runqslower
+.PHONY: all clean runqslower libbpf_hdrs
all: runqslower
runqslower: $(OUTPUT)/runqslower
@@ -46,13 +46,15 @@ clean:
$(Q)$(RM) $(OUTPUT)runqslower
$(Q)$(RM) -r .output
+libbpf_hdrs: $(BPFOBJ)
+
$(OUTPUT)/runqslower: $(OUTPUT)/runqslower.o $(BPFOBJ)
$(QUIET_LINK)$(CC) $(CFLAGS) $^ -lelf -lz -o $@
$(OUTPUT)/runqslower.o: runqslower.h $(OUTPUT)/runqslower.skel.h \
- $(OUTPUT)/runqslower.bpf.o
+ $(OUTPUT)/runqslower.bpf.o | libbpf_hdrs
-$(OUTPUT)/runqslower.bpf.o: $(OUTPUT)/vmlinux.h runqslower.h
+$(OUTPUT)/runqslower.bpf.o: $(OUTPUT)/vmlinux.h runqslower.h | libbpf_hdrs
$(OUTPUT)/%.skel.h: $(OUTPUT)/%.bpf.o | $(BPFTOOL)
$(QUIET_GEN)$(BPFTOOL) gen skeleton $< > $@
@@ -81,8 +83,10 @@ else
endif
$(BPFOBJ): $(wildcard $(LIBBPF_SRC)/*.[ch] $(LIBBPF_SRC)/Makefile) | $(BPFOBJ_OUTPUT)
- $(Q)$(MAKE) $(submake_extras) -C $(LIBBPF_SRC) OUTPUT=$(BPFOBJ_OUTPUT) $@
+ $(Q)$(MAKE) $(submake_extras) -C $(LIBBPF_SRC) OUTPUT=$(BPFOBJ_OUTPUT) \
+ DESTDIR=$(BPFOBJ_OUTPUT) prefix= $(abspath $@) install_headers
-$(DEFAULT_BPFTOOL): | $(BPFTOOL_OUTPUT)
+$(DEFAULT_BPFTOOL): $(BPFOBJ) | $(BPFTOOL_OUTPUT)
$(Q)$(MAKE) $(submake_extras) -C ../bpftool OUTPUT=$(BPFTOOL_OUTPUT) \
- CC=$(HOSTCC) LD=$(HOSTLD)
+ LIBBPF_OUTPUT=$(BPFOBJ_OUTPUT) \
+ LIBBPF_DESTDIR=$(BPF_DESTDIR) CC=$(HOSTCC) LD=$(HOSTLD)
generated by cgit (git 2.34.1) at 2025-06-01 23:00:46 +0000