ARM BPABI PT_DYNAMIC segment

[Nick Clifton]

Hi Mark,

> This patch implements changes relating to the ARM BPABI PT_DYNAMIC
> segment.  There should be a PT_DYNAMIC segment, even though the
> .dynamic section is not marked SEC_ALLOC.  Furthermore, DT_HASH,
> DT_STRTAB, etc. need to use file offsets, not VMA addresses.  I had to
> create a new linker script so as to get the VMA address for .hash,
> etc., set to zero in the ELF output file, as required, since these
> sections are not loaded at runtime under the BPABI.
> 
> OK?

> 2004-09-03  Mark Mitchell  <mark@codesourcery.com>
> 
> 	* elf-bfd.h (_bfd_elf_make_dynamic_segment): Declare it.
> 	* elf.c (_bfd_elf_make_dynamic_segment): New function, split out
> 	from ...
> 	(map_sections_to_segments): ... here.  Use it.  Assign a file
> 	position to the .dynamic section if it is not loadable, but part
> 	of the PT_DYNAMIC segment.
> 	* elf32-arm.h (elf32_arm_finish_dynamic_sections): Use file
> 	offsets, not VMAs, for the BPABI.  Do not fill in the header in
> 	the .got.plt section for the BPABI.
> 	* elfarm-nabi.c (elf32_arm_symbian_modify_segment_map): Add a
> 	PT_DYNAMIC segment.
> 	(elf_backend_want_got_plt): Define to zero for Symbian OS.
> 
> 2004-09-03  Mark Mitchell  <mark@codesourcery.com>
> 
> 	* emulparams/armsymbian.sh: Use armbpabi script.
> 	* scripttempl/armbpabi.sc: New script.

Approved - please apply ... but - it would be nice if there was a linker 
test for this feature to make sure that it works/continues to work.  You 
could add it to the ld/testsuite/ld-arm directory.

Cheers
   Nick