Re: CVS commit: src

[Jason Thorpe <thorpej%shagadelic.org@localhost>]

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?

> 
> 
> To generate a diff of this commit:
> cvs rdiff -u -r0 -r1.1 src/share/man/man9/man9.i386/return_address.9
> cvs rdiff -u -r1.18 -r1.19 src/sys/arch/i386/i386/copy.S
> cvs rdiff -u -r0 -r1.1 src/sys/arch/i386/include/return.h
> 
> Please note that diffs are not public domain; they are subject to the
> copyright notices on the relevant files.

-- thorpej