[Bug 1001142] User defined linker sections.

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John Dallaway <john@dallaway.org.uk> changed:

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--- Comment #6 from John Dallaway <john@dallaway.org.uk> 2011-02-14 07:28:41 GMT ---
Sergei

(In reply to comment #1)

> I thought that's what. Another place where we could define SECTION_user
> macro could be lpc17xx variant linker include file, e.g.
> 
>   cortexm/lpc17xx/var/current/include/pkgconf/mlt_cortexm_lpc17xx.ldi
> 
> This definition could be included from the target's memory layout
> files.
> 
> - variant's source is a good place to comment what is macro for;

The macro is intended to be completely generic, suitable to any variant. We
know that other Cortex-M variants include peripheral memory which could be used
via such a macro. Placing this definition in cortex.ld seems like the right
approach to me. I could envisage a similar definition being added to *.ld for
other architectures in the future.

The *.ldi files were once generated by a memory layout tool and it seems best
to avoid adding arbitrary code to these files so the possibility of
re-introducing such a tool is preserved.

I do agree that the name "SECTION_user()" could lead to some confusion with the
existing SECTION_*() macros which have a different number of parameters. I
would be happy to use a macro name such as "USER_SECTION()" instead.

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