* config.in (STRICTCOFF): New for strict COFF.
* configure.in: Define STRICTCOFF for i386-*-msdosdjgpp*,
i386-*-go32* and i386-go32-rtems*.
* configure: Rebuilt.
* config/obj-coff.c (obj_coff_endef): Follow the historical
behavior if STRICTCOFF is not defined.
* doc/internals.texi: Document STRICTCOFF.
(s_desc): Add ATTRIBUTE_UNUSED to args as appropriate.
* read.h (aout_process_stab): Declare.
* configure.in (EMULATIONS) [i386aout, i386coff, i386elf]:
Generalize to *aout, *coff *elf.
* configure: Regenerated.
* doc/internals.texi (Object format backend): Say
SEPARATE_STAB_SECTIONS needs to be nonzero, not just defined.
* doc/internals.texi (CPU backend): Mention that
line_separator_chars do not break up comments. Fix typos for
LEX_AT and LEX_NAME descriptions. Document operands for
TC_EQUAL_IN_INSN, md_operand and md_section_align. Correct
description of md_create_short_jump usage. Document argument for
md_undefined_symbol.
Move bitfield overflow checks to after the md_apply_fix call in
fixup_segment so that md_apply_fix has a chance to modify value.
Handle 8 and 16-bit pcrel relocs for i386.
Prototypes and other minor code cleanups.