R2RDump improvements #46833
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R2RDump improvements #46833
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* Fix `TryLocateNativeReadyToRunHeader` to swallow `BadImageFormatException` and return true / false whether the image has a native R2R header (for composite images). * Running R2RDump on IL assemblies with no R2R now emits an error message that the assembly is not R2R instead of an unhelpful error about some RVA offset conversion failing.
* Fix handling of module override token in signature parser. When the override is present, a new SignatureDecoder is created and used as the decoder for the final signature with the fixup kind (and module override flag which is stored in the upper bit of the fixup kind byte) already parsed. This causes the remainder of the signature to be parsed as a full R2R signature which is now missing the fixup type. * Instead of creating a new decoder when a module override is present, set up the initial decoder's metadata reader in the constructor by detecting the module override up front.
trylek
approved these changes
Jan 11, 2021
ghost
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TryLocateNativeReadyToRunHeaderto swallowBadImageFormatExceptionand return true / false whether the image has a native R2R header (for composite images).