Vector35 / Vector35/binaryninja-api
Allow an array size to use an enum or other symbolic value
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- Dominant language
- C++
- Stars
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- Forks
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- Avg merge
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- Merged PRs (30d)
- 19
Description
What is the feature you'd like to have?
I'd like to be able to annotate an array declaration with a symbolic constant. For example:
MyStruct array[0x8]
to
MyStruct array[MAX_STRUCTS]
Is your feature request related to a problem?
n/a
Are any alternative solutions acceptable?
Not that I'm aware of.
Additional Information:
I tried creating an enum called MAXIMA to define labels for such values, but even when the array size (e.g. 0x8 above) is highlighted, pressing M assign an enum (a) doesn't show any matches for 0x8 and (b) changes the type of array itself to an enum.
enums may or may not be the best/easiest way to accomplish this, they were just the first thing I tried.
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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 array declaration and enum-assignment behavior described in the issue, comparing a literal size such as 0x8 with a symbolic value such as MAX_STRUCTS. Investigate the array-size annotation and the M-based enum assignment entry points; done means array declarations accept symbolic constants without changing the array type.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp
- Domain
- reverse-engineering
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100