On Nov 2, 2009, at 9:08 PM, David Young wrote: > Module Name: src > Committed By: dyoung > Date: Tue Nov 3 05:08:19 UTC 2009 > > Modified Files: > src/sys/arch/i386/i386: copy.S > Added Files: > src/share/man/man9/man9.i386: return_address.9 > src/sys/arch/i386/include: return.h > > Log Message: > Add return_address(9) for reading the Nth return address from the call > stack. What's the intended usage? How is __builtin_return_address() not sufficient?
it's also not well defined for N > 0 in most use-cases. .mrg.
