Vector35 / Vector35/binaryninja-api
Improper return register selection for x86 xmm0
Nobody has claimed this yet.
- Dominant language
- C++
- Stars
- 1.3k
- Forks
- 298
- Avg merge
- 5d 5h
- Merged PRs (30d)
- 19
Description
Version and Platform (required):
- Binary Ninja Version: 4.2.6039-dev Personal (d2968e13)
Bug Description:
This basic block seems to be decompiled wrong, with temp[0] being introduced and going nowhere:
Steps To Reproduce:
Please provide all steps required to reproduce the behavior:
- Open libDly_DelayCalculator.so
- Go to
0x00074ed2 - Rotate through views
Expected Behavior:
An arithmetic expression is assembled from LLIL fragments and returned.
Binary:
libDly_DelayCalculator.so.zip
Contributor guide
No contributing guide indexed for this repository
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
Open libDly_DelayCalculator.so, navigate to 0x00074ed2, and rotate through the available views to reproduce the incorrect decompilation. Compare the displayed basic block with its LLIL fragments and investigate why temp[0] is introduced; done means an arithmetic expression is assembled from the fragments and returned.
Written by the indexing model from the issue text.
Assessment
- Domain
- reverse-engineering
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100