Vector35 / Vector35/binaryninja-api
RTTI / vtables not discovered in images loaded from dyld shared cache
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- Dominant language
- C++
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Description
Version and Platform (required):
- Binary Ninja Version: 5.0.7189-dev (79570147)
- OS: macOS 15.4
- CPU Architecture: arm64
Bug Description:
RTTI and vtables are discovered and annotated in regular Mach-O binaries, but this does not appear to work in images loaded from the shared cache.
Steps To Reproduce:
- Open a macOS 15.x shared cache and load /System/Library/Frameworks/Metal.framework/Versions/A/Metal
- Search for
typeinfoorvtablein the symbols pane and click around.
Expected Behavior:
Glorious structs!
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Reproduce the issue by opening a macOS 15.x shared cache and loading /System/Library/Frameworks/Metal.framework/Versions/A/Metal, then search the symbols pane for typeinfo and vtable. Trace the shared-cache image loading and RTTI/vtable discovery paths; done means these symbols are discovered and annotated as they are for regular Mach-O binaries.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp
- Domain
- devtools, reverse-engineering
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100