[Bug 1001142] User defined linker sections.

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--- Comment #13 from Ilija Kocho <ilijak@siva.com.mk> 2011-02-14 13:43:15 GMT ---
(In reply to comment #12)
> (In reply to comment #11)
> 
> > I introduced them because of properties of CPP concatenation ## with respect to
> > argument prescan.
> > http://gcc.gnu.org/onlinedocs/cpp/Argument-Prescan.html#Argument-Prescan
> > They are needed if "_name_" is a macro:
> > 
> > #define FOO "foo"
> > USER_SECTION(FOO, reg, vma, lma)
> > 
> > Example use case is when the section name is provided via CDL.
> > I would keep them but we may consider more suitable names.
> 
> Ilija, thank you for the clarification. I now agree that we should keep them.
> Perhaps they could be renamed to CYG_USER_SECTION_START() and
> CYG_USER_SECTION_END() to reduce the possibility of a naming clash?

John, I take that you are more qualified than me for avoidance of naming clash
so I would accept your choice.

Just one note: The products of these macros can also be useful for application
(zeroing the section or so). Is it possible (and desirable) to place them
somewhere else where they will be available to both cortexm.ld and user?

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