Remove libunwind dependency for NativeAOT
Nobody has claimed this yet.
Assessment
- Difficulty
- 5/5
- Estimated time
- Over a week
- Newbie friendliness
- 25/100
- Issue type
- Feature
- Clarity
- Needs clarification
- Activity status
- Stale
- Tech stack
- csharp
- Domain
- compilers, embedded-iot, operating-systems
Research direction
Start by tracing how the ILC compiler and NativeAOT runtime currently depend on libunwind, ELF, and DWARF metadata. Determine the required method-boundary and exception-handling metadata in rodata, then verify that the runtime can parse it in ARMv7-M raw binary images without libunwind.
Written by the indexing model from the issue text.
Description
Hello,
I am currently porting NativeAOT to ARMv7-M Thumb2 microcontrollers with VFPv5-D16 FPU support. On these embedded platforms, firmware is typically deployed as bin/hex/S19 files, not ELF. As a result, it is not possible to use libunwind, which relies on ELF/DWARF metadata and sections.
Would it be possible for the ILC compiler to generate the necessary method boundary, exception handling metadata.... to rodata sections? The runtime could then parse this data, removing the dependency on libunwind and ELF. This would make NativeAOT much more portable to RTOS(NUTTX) environments, where only raw binary images are used.
I believe this change would greatly benefit embedded scenarios and make .NET more accessible on microcontrollers.
Thank you for considering this feature request!
- Dominant language
- C#
- Stars
- 18.3k
- Forks
- 5.6k
- PR merge metrics
- PR metrics pending
Contributor guide
First steps
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