[hoc-devel] Issue 19 in hoc: GNUstep's NSException segfaults when generating stack trace

[<cod...@go...>]

Status: Accepted
Owner: wolfgang...@gmx.net
Labels: Type-Defect Priority-Medium OpSys-Linux Component-Core

New issue 19 by wolfgang...@gmx.net: GNUstep's NSException segfaults when  
generating stack trace
http://code.google.com/p/hoc/issues/detail?id=19

GNUstep's NSException class uses various GNU C built-in functions to
generate a stack trace whenever an exception is thrown.
These built-ins rely on a proper chain of %ebp-based stack frames (on i386,
that is). GHC just leaves a bogus value in %ebp when it calls out from
Haskell land. A segfault results.

This will require either a hack to prevent GNUstep from walking the stack or
a hack to "fix" the stack frame chain.

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