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Yonghong Song
09d7df7da5
BPF: support type exist/size and enum exist/value relocations
Four new CO-RE relocations are introduced: - TYPE_EXISTENCE: whether a typedef/record/enum type exists - TYPE_SIZE: the size of a typedef/record/enum type - ENUM_VALUE_EXISTENCE: whether an enum value of an enum type exists - ENUM_VALUE: the enum value of an enum type These additional relocations will make CO-RE bpf programs more adaptive for potential kernel internal data structure changes. Differential Revision: https://reviews.llvm.org/D83878
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