[discuss] Re: [patches] Re: x86_64 frame unwind info

[Andrew Haley]

Sorry for the blank message.

Richard Henderson writes:
 > 
 > What you actually want is extensions to libgcc's EH traversal that
 > allow you to walk the stack without actually changing machine state.
 > I would be most happy to add such a thing.

This is very useful for Java -- in fact, it's essential for compliance
with the language specification.  At present, we use backtrace() from
glibc, but it would be better to use the unwinder.

Andrew.