Wang Nan cc4228d57c bpf tools: Check endianness and make libbpf fail early ... Check endianness according to EHDR. Code is taken from tools/perf/util/symbol-elf.c. Libbpf doesn't magically convert missmatched endianness. Even if we swap eBPF instructions to correct byte order, we are unable to deal with endianness in code logical generated by LLVM. Therefore, libbpf should simply reject missmatched ELF object, and let LLVM to create good code. Signed-off-by: Wang Nan <wangnan0@huawei.com> Acked-by: Alexei Starovoitov <ast@plumgrid.com> Cc: Brendan Gregg <brendan.d.gregg@gmail.com> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: David Ahern <dsahern@gmail.com> Cc: He Kuang <hekuang@huawei.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kaixu Xia <xiakaixu@huawei.com> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Zefan Li <lizefan@huawei.com> Cc: pi3orama@163.com Link: http://lkml.kernel.org/r/1435716878-189507-8-git-send-email-wangnan0@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>		2015-08-07 10:16:56 -03:00
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.gitignore	bpf tools: Introduce 'bpf' library and add bpf feature check	2015-08-07 10:16:56 -03:00
Build	bpf tools: Introduce 'bpf' library and add bpf feature check	2015-08-07 10:16:56 -03:00
libbpf.c	bpf tools: Check endianness and make libbpf fail early	2015-08-07 10:16:56 -03:00
libbpf.h	bpf tools: Read eBPF object from buffer	2015-08-07 10:16:56 -03:00
Makefile	bpf tools: Introduce 'bpf' library and add bpf feature check	2015-08-07 10:16:56 -03:00