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Subskeletons are headers which require an already loaded program to operate. For example, when a BPF library is linked into a larger BPF object file, the library userspace needs a way to access its own global variables without requiring knowledge about the larger program at build time. As a result, subskeletons require a loaded bpf_object to open(). Further, they find their own symbols in the larger program by walking BTF type data at run time. At this time, programs, maps, and globals are supported through non-owning pointers. Signed-off-by: Delyan Kratunov <delyank@fb.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/ca8a48b4841c72d285ecce82371bef4a899756cb.1647473511.git.delyank@fb.com |
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| .. | ||
| bpftool-btf.rst | ||
| bpftool-cgroup.rst | ||
| bpftool-feature.rst | ||
| bpftool-gen.rst | ||
| bpftool-iter.rst | ||
| bpftool-link.rst | ||
| bpftool-map.rst | ||
| bpftool-net.rst | ||
| bpftool-perf.rst | ||
| bpftool-prog.rst | ||
| bpftool-struct_ops.rst | ||
| bpftool.rst | ||
| common_options.rst | ||
| Makefile | ||
| substitutions.rst | ||