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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
2020-08-04 12:35:39 -07:00
2020-08-04 16:59:39 +01:00
2020-03-14 18:08:26 -07:00

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