[rfc] new bfd hook: additional link map text

[Maciej W. Rozycki]

On Sat, 10 May 2014, DJ Delorie wrote:

> Here's the current patch, without the debugs, with elf32-rx.h, and
> without the old bfd hook.
> 
> In case you're wondering, the purpose for all this is to have better
> support for auto-generated interrupt vector tables.  The compiler sets
> up all the hooks, the bfd pass stitches the tables together, and this
> new linker map hook dumps the generated table info to the map file.
> 
> 	* bfd/elf32-rx.c (get_symbol_value_maybe): New.
> 	(rx_elf_relocate_section): If we find a reloc against
> 	$tableentry$default$<name>, redirect it to the appropriate
> 	$tableentry$<n>$.
> 	(RX_Table_Info): New.
> 	(rx_table_find): New.  Check all tables and SEC_KEEP all sections
> 	with table parts in them.
> 	(rx_check_directives): New.
> 	(rx_table_map_2): New.
> 	(rx_table_map): New.
> 	(rx_additional_link_map_text): New.  Called to dump tables to the
> 	map file.
> 	* bfd/elf32-rx.h: New.

 This change doesn't build with the i686-linux-gnu host, mips-linux-gnu 
target, --enable-targets=all:

cc1: warnings being treated as errors
.../bfd/elf32-rx.c: In function 'rx_table_map':
.../bfd/elf32-rx.c:3871: error: format '%08lx' expects type 'long unsigned int', but argument 5 has type 'bfd_vma'
.../bfd/elf32-rx.c:3876: error: format '%08lx' expects type 'long unsigned int', but argument 4 has type 'bfd_vma'
.../bfd/elf32-rx.c:3879: error: format '%08lx' expects type 'long unsigned int', but argument 3 has type 'bfd_vma'
.../bfd/elf32-rx.c:3895: error: format '%08lx' expects type 'long unsigned int', but argument 3 has type 'bfd_vma'
.../bfd/elf32-rx.c:3910: error: format '%08lx' expects type 'long unsigned int', but argument 3 has type 'bfd_vma'
.../bfd/elf32-rx.c:3915: error: format '%08lx' expects type 'long unsigned int', but argument 3 has type 'bfd_vma'
make[4]: *** [elf32-rx.lo] Error 1

  Maciej