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| author |   Toke Høiland-Jørgensen <toke@redhat.com> | 2019-10-04 17:34:44 +0200 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2019-10-05 18:24:56 -0700 |
| commit | a9eb048d5615152dc4b8aedb7e704a4e59bc2205 (patch) | |
| tree | 58878a14962f410b46e4ee04529dc893993785da /tools/lib/bpf | |
| parent | Merge branch 'libbpf-api' (diff) | |
| download | linux-dev-a9eb048d5615152dc4b8aedb7e704a4e59bc2205.tar.xz linux-dev-a9eb048d5615152dc4b8aedb7e704a4e59bc2205.zip | |
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')
| -rw-r--r-- | tools/lib/bpf/.gitignore | 3 | ||||
| -rw-r--r-- | tools/lib/bpf/Makefile | 12 |
2 files changed, 14 insertions, 1 deletions
diff --git a/tools/lib/bpf/.gitignore b/tools/lib/bpf/.gitignore index d9e9dec04605..12382b0c71c7 100644 --- a/tools/lib/bpf/.gitignore +++ b/tools/lib/bpf/.gitignore @@ -3,3 +3,6 @@ libbpf.pc FEATURE-DUMP.libbpf test_libbpf libbpf.so.* +TAGS +tags +cscope.* 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) |