mirror of
https://gitee.com/bianbu-linux/linux-6.6
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dc695516b6
The last part of the BTFGen algorithm is to create a new BTF object with all the types that were recorded in the previous steps. This function performs two different steps: 1. Add the types to the new BTF object by using btf__add_type(). Some special logic around struct and unions is implemented to only add the members that are really used in the field-based relocations. The type ID on the new and old BTF objects is stored on a map. 2. Fix all the type IDs on the new BTF object by using the IDs saved in the previous step. Signed-off-by: Mauricio Vásquez <mauricio@kinvolk.io> Signed-off-by: Rafael David Tinoco <rafael.tinoco@aquasec.com> Signed-off-by: Lorenzo Fontana <lorenzo.fontana@elastic.co> Signed-off-by: Leonardo Di Donato <leonardo.didonato@elastic.co> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20220215225856.671072-6-mauricio@kinvolk.io |
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