MEMORY commands in link scripts

[Nick Clifton]

Hi Jon,

> 2004-11-08  Jon Beniston <jon@beniston.com>
> 
> 	* ld/ldlex.l: Allow ORIGIN and LENGTH in EXPRESSION.
> 	* ld/ldgram.y: Add ORIGIN and LENGTH expressions.
> 	* ld/ldexp.c (fold_name): Implement LENGTH() and ORIGIN() functions 
> 	which return the length and origin of a memory.
> 	* ld/ld.texinfo: Document LENGTH() and ORIGIN() functions.

Approved and applied.

Note - I felt that this patch deserved a mention in the ld/NEWS file 
since it implements a new feature and also a testsuite case to check to 
make sure that it works.  So I have added the attached patch to do these 
things.

Cheers
   Nick

ld/ChangeLog

	* NEWS: Mention support for ORIGIN and LENGTH operators.

ld/testsuite/ChangeLog
2004-11-19  Nick Clifton  <nickc@redhat.com>

	* ld-scripts/script.exp: Add test of memory linker script.
	Reorganize code to remove unnecessary indentation.
	Fix target tests to avoid using --image-base with *-nto targets.
	* ld-scripts/memory.t: New linker script to test the MEMORY
	section and the ORIGIN and LENGTH operators.

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