relocation for ROMd systems?

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I know that objcopy can relocate sections with --change-address and
friends: I was wondering how exactly these are used with regard to
linker scripts.  I assume I write my linker script to put .data in RAM,
and use "objcopy --change-section-lma" to move things down into ROM,
provided I have a procedure (inside software_init_hook?) to copy
preinitialized .data up to link-time specified RAM.  Right?  Does
anybody have an example linker script and objcopy they could share for
generating ROM images from the GNU toolchain?

Thanks in advance.

-- 
  Aaron J. Grier   |   Frye Electronics, Tigard, OR   |   aaron@frye.com
  "The simplistic anthropomorphism which asserts that source code has a
   life separate from its creator or maintainer is the product of one
   too many viewings of Tron."  -- paraphrasing of anonymous post on /.

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