diff options
author | Toke Høiland-Jørgensen <toke@redhat.com> | 2019-10-04 18:34:44 +0300 |
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committer | Alexei Starovoitov <ast@kernel.org> | 2019-10-06 04:24:56 +0300 |
commit | a9eb048d5615152dc4b8aedb7e704a4e59bc2205 (patch) | |
tree | 58878a14962f410b46e4ee04529dc893993785da /tools/lib/bpf/Makefile | |
parent | b84fbfe2ceed14a3623739ba72a2c1f4db003f1e (diff) | |
download | linux-a9eb048d5615152dc4b8aedb7e704a4e59bc2205.tar.xz |
libbpf: Add cscope and tags targets to Makefile
Using cscope and/or TAGS files for navigating the source code is useful.
Add simple targets to the Makefile to generate the index files for both
tools.
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Tested-by: Andrii Nakryiko <andriin@fb.com>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/20191004153444.1711278-1-toke@redhat.com
Diffstat (limited to 'tools/lib/bpf/Makefile')
-rw-r--r-- | tools/lib/bpf/Makefile | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile index c6f94cffe06e..10b77644a17c 100644 --- a/tools/lib/bpf/Makefile +++ b/tools/lib/bpf/Makefile @@ -133,6 +133,8 @@ LIB_TARGET := $(addprefix $(OUTPUT),$(LIB_TARGET)) LIB_FILE := $(addprefix $(OUTPUT),$(LIB_FILE)) PC_FILE := $(addprefix $(OUTPUT),$(PC_FILE)) +TAGS_PROG := $(if $(shell which etags 2>/dev/null),etags,ctags) + GLOBAL_SYM_COUNT = $(shell readelf -s --wide $(BPF_IN) | \ cut -d "@" -f1 | sed 's/_v[0-9]_[0-9]_[0-9].*//' | \ awk '/GLOBAL/ && /DEFAULT/ && !/UND/ {print $$8}' | \ @@ -262,7 +264,7 @@ clean: -PHONY += force elfdep bpfdep +PHONY += force elfdep bpfdep cscope tags force: elfdep: @@ -271,6 +273,14 @@ elfdep: bpfdep: @if [ "$(feature-bpf)" != "1" ]; then echo "BPF API too old"; exit 1 ; fi +cscope: + ls *.c *.h > cscope.files + cscope -b -q -I $(srctree)/include -f cscope.out + +tags: + rm -f TAGS tags + ls *.c *.h | xargs $(TAGS_PROG) -a + # Declare the contents of the .PHONY variable as phony. We keep that # information in a variable so we can use it in if_changed and friends. .PHONY: $(PHONY) |