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87 lines
3.1 KiB
C
87 lines
3.1 KiB
C
/* BFD COFF interfaces used outside of BFD.
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Copyright (C) 1990-2017 Free Software Foundation, Inc.
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Written by Cygnus Support.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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/* This structure is used for a comdat section, as in PE. A comdat
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section is associated with a particular symbol. When the linker
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sees a comdat section, it keeps only one of the sections with a
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given name and associated with a given symbol. */
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struct coff_comdat_info
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{
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/* The name of the symbol associated with a comdat section. */
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const char *name;
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/* The local symbol table index of the symbol associated with a
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comdat section. This is only meaningful to the object file format
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specific code; it is not an index into the list returned by
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bfd_canonicalize_symtab. */
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long symbol;
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};
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/* The used_by_bfd field of a section may be set to a pointer to this
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structure. */
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struct coff_section_tdata
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{
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/* The relocs, swapped into COFF internal form. This may be NULL. */
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struct internal_reloc *relocs;
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/* If this is TRUE, the relocs entry may not be freed. */
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bfd_boolean keep_relocs;
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/* The section contents. This may be NULL. */
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bfd_byte *contents;
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/* If this is TRUE, the contents entry may not be freed. */
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bfd_boolean keep_contents;
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/* Information cached by coff_find_nearest_line. */
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bfd_vma offset;
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unsigned int i;
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const char *function;
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/* Optional information about a COMDAT entry; NULL if not COMDAT. */
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struct coff_comdat_info *comdat;
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int line_base;
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/* A pointer used for .stab linking optimizations. */
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void * stab_info;
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/* Available for individual backends. */
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void * tdata;
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};
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/* An accessor macro for the coff_section_tdata structure. */
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#define coff_section_data(abfd, sec) \
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((struct coff_section_tdata *) (sec)->used_by_bfd)
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#define bfd_coff_get_comdat_section(abfd, sec) \
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((bfd_get_flavour (abfd) == bfd_target_coff_flavour \
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&& coff_section_data (abfd, sec) != NULL) \
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? coff_section_data (abfd, sec)->comdat : NULL)
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#define coff_symbol_from(symbol) \
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((bfd_family_coff (bfd_asymbol_bfd (symbol)) \
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&& bfd_asymbol_bfd (symbol)->tdata.coff_obj_data) \
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? (coff_symbol_type *) (symbol) : NULL)
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struct internal_syment;
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union internal_auxent;
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extern bfd_boolean bfd_coff_get_syment
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(bfd *, struct bfd_symbol *, struct internal_syment *);
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extern bfd_boolean bfd_coff_get_auxent
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(bfd *, struct bfd_symbol *, int, union internal_auxent *);
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