Lots of changes from gas-bfd work. Includes:
* working reloc lookup support * better support for creation of COFF files from scratch * misc doc changes, macro tweaks, "const" additions, typo fixes, etc. * one or two ugly kludges that should get cleaned up (but what's one or two more, in BFD?) See ChangeLog for details.
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Wed May 20 08:18:18 1992 Ken Raeburn (Raeburn@Cygnus.COM)
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* section.c (bfd_*_symbol, bfd_*_section): Initialize statically.
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Make the symbols unmodifiable.
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(bfd_section_init): Deleted.
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* init.c (bfd_init): Don't call bfd_section_init.
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* section.c (bfd_set_section_contents): Ensure that range to be
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written is within section boundaries.
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(bfd_get_section_contents): Likewise. Don't bother dispatching if
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size is zero.
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* libbfd.c (bfd_xmalloc): Text of error message should be const.
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* coff-i960.c (howto_table): Deleted.
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(howto_rellong, howto_iprmed, howto_optcall): New vars;
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interesting entries from old howto_table.
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(RTYPE2HOWTO): Adjusted to use switch.
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(coff_i960_reloc_type_lookup): New function.
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* coffcode.h (coff_new_section_hook): Allocate storage for aux
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records for section symbol.
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(make_abs_section): Unused; deleted.
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(renumber_symbols): Re-order symbols so undefined symbols come
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last, as COFF format desires.
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(coff_write_symbol): Put C_FILE symbols in debug section always.
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(coff_section_symbol): New function; creates a symbol with the
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same name as a section, and sets up aux records for it.
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(coff_add_missing_symbols): New function; adds section symbols to
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symbol table if they aren't there already. Should someday also
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add a dummy C_FILE symbol if none is present.
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(coff_write_object_contents): Add missing symbols before preparing
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symbol table to be written.
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(coff_slurp_reloc_table): Verify that symbol indices read in are
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in a reasonable range.
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* libcoff-in.h (struct coff_tdata): New field conv_table_size.
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(obj_conv_table_size): Accessor macro.
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* bout.c (b_out_reloc_type_lookup): New function. Handles three
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reloc types on i960.
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* bfd-in.h (bfd_get_section_name): New macro. Like
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bfd_section_name, but returns rvalue, not lvalue.
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(bfd_get_section_vma, bfd_get_section_alignment): Similar.
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(bfd_get_section_flags): Now returns rvalue.
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* reloc.c (enum bfd_reloc_code_real): Add several new values, some
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general, some specific to sparc or i960.
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* aoutx.h (set_section_contents): Set VMA for each section based
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on previous section. If text section VMA doesn't appear to have
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been set, make a best guess from the type of file.
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* aout-target.h (MY_reloc_howto_type_lookup): Define as zero if
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not defined.
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(MY(vec)): Initialize reloc_type_lookup field.
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* aoutx.h (howto_table_*): Export as aout_#_*_howto_table.
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(bfd_error_trap, bfd_error_vector): Extern, not common.
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* aoutf1.h (sunos4_reloc_type_lookup): New function. Handles a
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few types of relocs for sparc; will need enhancement.
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* bout.c (callj_callback): Use DEFUN macro in definition.
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* coff-i960.c (optcall_callback): Likewise.
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* targets.c (bfd_target): Added fields reloc_type_lookup and
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_bfd_make_debug_symbol. Also minor comment changes.
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* syms.c (bfd_make_debug_symbol): New dispatching macro.
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* reloc.c (bfd_reloc_type_lookup): Take a BFD ptr as arg rather
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than arch info, and dispatch with BFD_SEND. Callers changed.
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* archures.c (struct bfd_arch_info): Deleted field
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reloc_type_lookup.
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* cpu-*.c: Don't initialize that field.
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* bfd-in.h (enum bfd_error): Add new value "bad_value".
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* bfd.c (bfd_errmsgs): Now const; added entry for bad_value.
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(bfd_errmsg): Now returns ptr to const.
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* bfd-in.h (bfd_errmsg): Fix prototype.
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* cache.c (BFD_CACHE_MAX_OPEN): Fix typo in doc.
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* reloc.c (bfd_generic_relax_section): Ditto.
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* section.c (Section Output doc): Improve description of use of
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output_section and output_offset.
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Tue May 19 23:42:10 1992 D. V. Henkel-Wallace (gumby@cygnus.com)
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* sco-core.c: new file from net.
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