[cDAC] RuntimeSignatureDecoder and centralized Signature contract (2/5)#127636

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max-charlamb wants to merge 13 commits intodotnet:mainfrom

max-charlamb:cdac-stackrefs-pr2

Commits on May 1, 2026

WIP: RuntimeSignatureDecoder, centralized SignatureDecoder contract

Max Charlamb
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Align RuntimeSignatureDecoder with SRM and move GC decoding to StackWalk

Max Charlamb
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Address review feedback: split interface, drop dead code, require MetadataReader

Max Charlamb
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Capture Target in providers; document signature-based GC scanning

Max Charlamb
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Address PR review: handle StoredSigMethodDesc; cache GcSignatureTypeProvider

Max Charlamb
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Resolve VAR/MVAR via instantiation; normalize enums to underlying primitive

Max Charlamb
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Address PR review: visibility, dead state, doc fixes

Max Charlamb
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Rename SignatureDecoder contract to Signature

Max Charlamb
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Address review feedback: data-first Signature.md + cross-ref tag

Max Charlamb
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Commits on May 4, 2026

address feedback
Max Charlamb
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remove all references to number of internal types
Max Charlamb
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Handle array class contexts in GcSignatureTypeProvider

Max Charlamb
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Commits on May 8, 2026

Use EcmaMetadataUtils for method token constants in GcScanner

Max Charlamb
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