* ldgram.y (DATA_SEGMENT_ALIGN, DATA_SEGMENT_END): New tokens.
(exp): Add DATA_SEGMENT_ALIGN (exp, exp) and DATA_SEGMENT_END (exp).
* ldexp.c (exp_data_seg): New variable.
(exp_print_token): Handle DATA_SEGMENT_ALIGN and DATA_SEGMENT_END.
(fold_binary): Handle DATA_SEGMENT_ALIGN.
(exp_fold_tree): Handle DATA_SEGMENT_END.
Pass allocation_done when recursing instead of hardcoding
lang_allocating_phase_enum.
* ldexp.h (exp_data_seg): New.
* ldlang.c (lang_size_sections_1): Renamed from lang_size_sections.
(lang_size_sections): New.
* ld.texinfo (DATA_SEGMENT_ALIGN, DATA_SEGMENT_END): Document.
* scripttempl/elf.sc: Use DATA_SEGMENT_ALIGN and DATA_SEGMENT_END
if COMMONPAGESIZE is defined.
* emulparams/elf_i386.sh (COMMONPAGESIZE): Set to 4K.
* emulparams/elf32_sparc.sh (COMMONPAGESIZE): Set to 8K.
* emulparams/elf64_sparc.sh (COMMONPAGESIZE): Set to 8K.
* emulparams/elf64alpha.sh (COMMONPAGESIZE): Set to 8K.
* emulparams/elf64_ia64.sh (COMMONPAGESIZE): Set to 16K for shared
libraries only.
The files in this directory are linker script templates.
genscripts.sh sets some shell variables, then sources
EMULATION.sc, to generate EMULATION.{x,xr,xu,xn,xbn} -- the script
files for default, -r, -Ur, -n, -N.