pe: Support exception data for ARM64
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- Dominant language
- Rust
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Description
Currently `goblin` supports exception data only for x86_64 PE files: https://github.com/m4b/goblin/blob/c029a2c8a4eb79a2f62397b16e9fa00c05e622bc/src/pe/mod.rs#L265-L267
`llvm-objdump` also only supports PE unwind info for AMD64:
```
❯ llvm-objdump -u App_arm64.exe
App_arm64.exe_: file format coff-arm64
Unwind info:
llvm-objdump: error: unsupported image machine type (currently only AMD64 is supported).
```
How difficult would it be to extend this support to ARM64? Is it a question of documentation?
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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
Start with src/pe/mod.rs around the linked x86_64 exception-data handling, then investigate the PE ARM64 unwind-information documentation and the coff-arm64 behavior shown from llvm-objdump. Done means goblin supports ARM64 PE exception data rather than limiting this path to x86_64.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- reverse-engineering
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Quiet
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100