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/* BFD COFF interfaces used outside of BFD.
Copyright (C) 1990-2019 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
/* This structure is used for a comdat section, as in PE. A comdat
section is associated with a particular symbol. When the linker
sees a comdat section, it keeps only one of the sections with a
given name and associated with a given symbol. */
struct coff_comdat_info
{
/* The name of the symbol associated with a comdat section. */
const char *name;
/* The local symbol table index of the symbol associated with a
comdat section. This is only meaningful to the object file format
specific code; it is not an index into the list returned by
bfd_canonicalize_symtab. */
long symbol;
};
/* The used_by_bfd field of a section may be set to a pointer to this
structure. */
struct coff_section_tdata
{
/* The relocs, swapped into COFF internal form. This may be NULL. */
struct internal_reloc *relocs;
/* If this is TRUE, the relocs entry may not be freed. */
bfd_boolean keep_relocs;
/* The section contents. This may be NULL. */
bfd_byte *contents;
/* If this is TRUE, the contents entry may not be freed. */
bfd_boolean keep_contents;
/* Information cached by coff_find_nearest_line. */
bfd_boolean saved_bias;
bfd_signed_vma bias;
bfd_vma offset;
unsigned int i;
const char *function;
/* Optional information about a COMDAT entry; NULL if not COMDAT. */
struct coff_comdat_info *comdat;
int line_base;
/* A pointer used for .stab linking optimizations. */
void * stab_info;
/* Available for individual backends. */
void * tdata;
};
/* An accessor macro for the coff_section_tdata structure. */
#define coff_section_data(abfd, sec) \
((struct coff_section_tdata *) (sec)->used_by_bfd)
#define bfd_coff_get_comdat_section(abfd, sec) \
((bfd_get_flavour (abfd) == bfd_target_coff_flavour \
&& coff_section_data (abfd, sec) != NULL) \
? coff_section_data (abfd, sec)->comdat : NULL)
#define coff_symbol_from(symbol) \
((bfd_family_coff (bfd_asymbol_bfd (symbol)) \
&& bfd_asymbol_bfd (symbol)->tdata.coff_obj_data) \
? (coff_symbol_type *) (symbol) : NULL)
struct internal_syment;
union internal_auxent;
extern bfd_boolean bfd_coff_get_syment
(bfd *, struct bfd_symbol *, struct internal_syment *);
extern bfd_boolean bfd_coff_get_auxent
(bfd *, struct bfd_symbol *, int, union internal_auxent *);
extern bfd_boolean bfd_coff_set_symbol_class
(bfd *, struct bfd_symbol *, unsigned int);
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