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authorAndrii Nakryiko <andriin@fb.com>2019-05-24 11:58:57 -0700
committerAlexei Starovoitov <ast@kernel.org>2019-05-24 14:05:57 -0700
commite6c64855fd7ad565d87b2bd617f4a50d3bdad82f (patch)
tree0ff1cdf6a80802389327d0f990f7ee3f943f600c /tools/lib/bpf/libbpf.map
parentlibbpf: ensure libbpf.h is included along libbpf_internal.h (diff)
downloadlinux-dev-e6c64855fd7ad565d87b2bd617f4a50d3bdad82f.tar.xz
linux-dev-e6c64855fd7ad565d87b2bd617f4a50d3bdad82f.zip
libbpf: add btf__parse_elf API to load .BTF and .BTF.ext
Loading BTF and BTF.ext from ELF file is a common need. Instead of requiring every user to re-implement it, let's provide this API from libbpf itself. It's mostly copy/paste from `bpftool btf dump` implementation, which will be switched to libbpf's version in next patch. btf__parse_elf allows to load BTF and optionally BTF.ext. This is also useful for tests that need to load/work with BTF, loaded from test ELF files. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to '')
-rw-r--r--tools/lib/bpf/libbpf.map5
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/lib/bpf/libbpf.map b/tools/lib/bpf/libbpf.map
index 673001787cba..6ea5ce19b9e0 100644
--- a/tools/lib/bpf/libbpf.map
+++ b/tools/lib/bpf/libbpf.map
@@ -164,3 +164,8 @@ LIBBPF_0.0.3 {
bpf_map_freeze;
btf__finalize_data;
} LIBBPF_0.0.2;
+
+LIBBPF_0.0.4 {
+ global:
+ btf__parse_elf;
+} LIBBPF_0.0.3;