Exception Handling #24

pca006132 · 2020-06-30T10:28:25+08:00

pca006132 commented

2020-06-30 10:28:25 +08:00

Now using the LLVM libunwind for unwinding the EHABI exception information.

Working features:

Raise and catch exception.
Finding the end of stack.

Not working:

Uncatch exception: It has to integrate with the kernel, not yet implemented, would trigger panic when an exception is uncatched.
Exception re-raise: The current _Unwind_Resume function in libunwind seems to be buggy, using ordinary raise function now (a bit slower), would investigate on the issue later.
Backtrace: The backtrace works in the raise function but not in other functions, still investigating the cause.

Now using the LLVM libunwind for unwinding the EHABI exception information. Working features: * Raise and catch exception. * Finding the end of stack. Not working: * Uncatch exception: It has to integrate with the kernel, not yet implemented, would trigger panic when an exception is uncatched. * Exception re-raise: The current `_Unwind_Resume` function in libunwind seems to be buggy, using ordinary raise function now (a bit slower), would investigate on the issue later. * Backtrace: The backtrace works in the `raise` function but not in other functions, still investigating the cause.

pca006132 commented

2020-06-30 17:34:28 +08:00

Poster

See #25

pca006132 closed this pull request

2020-06-30 17:34:30 +08:00