/* BFD COFF object file private structure.
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/* BFD COFF object file private structure.
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Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
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Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
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2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
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2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
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Written by Cygnus Support.
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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 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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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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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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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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(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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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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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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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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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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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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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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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MA 02110-1301, USA. */
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#include "bfdlink.h"
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#include "bfdlink.h"
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/* Object file tdata; access macros. */
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/* Object file tdata; access macros. */
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#define coff_data(bfd) ((bfd)->tdata.coff_obj_data)
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#define coff_data(bfd) ((bfd)->tdata.coff_obj_data)
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#define exec_hdr(bfd) (coff_data (bfd)->hdr)
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#define exec_hdr(bfd) (coff_data (bfd)->hdr)
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#define obj_pe(bfd) (coff_data (bfd)->pe)
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#define obj_pe(bfd) (coff_data (bfd)->pe)
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#define obj_symbols(bfd) (coff_data (bfd)->symbols)
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#define obj_symbols(bfd) (coff_data (bfd)->symbols)
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#define obj_sym_filepos(bfd) (coff_data (bfd)->sym_filepos)
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#define obj_sym_filepos(bfd) (coff_data (bfd)->sym_filepos)
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#define obj_relocbase(bfd) (coff_data (bfd)->relocbase)
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#define obj_relocbase(bfd) (coff_data (bfd)->relocbase)
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#define obj_raw_syments(bfd) (coff_data (bfd)->raw_syments)
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#define obj_raw_syments(bfd) (coff_data (bfd)->raw_syments)
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#define obj_raw_syment_count(bfd) (coff_data (bfd)->raw_syment_count)
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#define obj_raw_syment_count(bfd) (coff_data (bfd)->raw_syment_count)
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#define obj_convert(bfd) (coff_data (bfd)->conversion_table)
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#define obj_convert(bfd) (coff_data (bfd)->conversion_table)
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#define obj_conv_table_size(bfd) (coff_data (bfd)->conv_table_size)
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#define obj_conv_table_size(bfd) (coff_data (bfd)->conv_table_size)
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#define obj_coff_external_syms(bfd) (coff_data (bfd)->external_syms)
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#define obj_coff_external_syms(bfd) (coff_data (bfd)->external_syms)
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#define obj_coff_keep_syms(bfd) (coff_data (bfd)->keep_syms)
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#define obj_coff_keep_syms(bfd) (coff_data (bfd)->keep_syms)
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#define obj_coff_strings(bfd) (coff_data (bfd)->strings)
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#define obj_coff_strings(bfd) (coff_data (bfd)->strings)
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#define obj_coff_keep_strings(bfd) (coff_data (bfd)->keep_strings)
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#define obj_coff_keep_strings(bfd) (coff_data (bfd)->keep_strings)
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#define obj_coff_sym_hashes(bfd) (coff_data (bfd)->sym_hashes)
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#define obj_coff_sym_hashes(bfd) (coff_data (bfd)->sym_hashes)
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#define obj_coff_strings_written(bfd) (coff_data (bfd)->strings_written)
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#define obj_coff_strings_written(bfd) (coff_data (bfd)->strings_written)
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#define obj_coff_local_toc_table(bfd) (coff_data (bfd)->local_toc_sym_map)
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#define obj_coff_local_toc_table(bfd) (coff_data (bfd)->local_toc_sym_map)
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/* `Tdata' information kept for COFF files. */
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/* `Tdata' information kept for COFF files. */
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typedef struct coff_tdata
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typedef struct coff_tdata
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{
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{
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struct coff_symbol_struct *symbols; /* Symtab for input bfd. */
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struct coff_symbol_struct *symbols; /* Symtab for input bfd. */
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unsigned int *conversion_table;
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unsigned int *conversion_table;
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int conv_table_size;
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int conv_table_size;
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file_ptr sym_filepos;
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file_ptr sym_filepos;
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struct coff_ptr_struct *raw_syments;
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struct coff_ptr_struct *raw_syments;
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unsigned long raw_syment_count;
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unsigned long raw_syment_count;
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/* These are only valid once writing has begun. */
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/* These are only valid once writing has begun. */
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long int relocbase;
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long int relocbase;
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/* These members communicate important constants about the symbol table
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/* These members communicate important constants about the symbol table
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to GDB's symbol-reading code. These `constants' unfortunately vary
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to GDB's symbol-reading code. These `constants' unfortunately vary
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from coff implementation to implementation... */
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from coff implementation to implementation... */
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unsigned local_n_btmask;
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unsigned local_n_btmask;
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unsigned local_n_btshft;
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unsigned local_n_btshft;
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unsigned local_n_tmask;
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unsigned local_n_tmask;
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unsigned local_n_tshift;
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unsigned local_n_tshift;
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unsigned local_symesz;
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unsigned local_symesz;
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unsigned local_auxesz;
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unsigned local_auxesz;
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unsigned local_linesz;
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unsigned local_linesz;
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/* The unswapped external symbols. May be NULL. Read by
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/* The unswapped external symbols. May be NULL. Read by
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_bfd_coff_get_external_symbols. */
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_bfd_coff_get_external_symbols. */
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void * external_syms;
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void * external_syms;
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/* If this is TRUE, the external_syms may not be freed. */
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/* If this is TRUE, the external_syms may not be freed. */
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bfd_boolean keep_syms;
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bfd_boolean keep_syms;
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/* The string table. May be NULL. Read by
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/* The string table. May be NULL. Read by
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_bfd_coff_read_string_table. */
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_bfd_coff_read_string_table. */
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char *strings;
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char *strings;
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/* If this is TRUE, the strings may not be freed. */
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/* If this is TRUE, the strings may not be freed. */
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bfd_boolean keep_strings;
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bfd_boolean keep_strings;
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/* If this is TRUE, the strings have been written out already. */
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/* If this is TRUE, the strings have been written out already. */
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bfd_boolean strings_written;
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bfd_boolean strings_written;
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/* Is this a PE format coff file? */
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/* Is this a PE format coff file? */
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int pe;
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int pe;
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/* Used by the COFF backend linker. */
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/* Used by the COFF backend linker. */
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struct coff_link_hash_entry **sym_hashes;
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struct coff_link_hash_entry **sym_hashes;
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/* Used by the pe linker for PowerPC. */
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/* Used by the pe linker for PowerPC. */
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int *local_toc_sym_map;
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int *local_toc_sym_map;
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struct bfd_link_info *link_info;
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struct bfd_link_info *link_info;
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/* Used by coff_find_nearest_line. */
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/* Used by coff_find_nearest_line. */
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void * line_info;
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void * line_info;
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/* A place to stash dwarf2 info for this bfd. */
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/* A place to stash dwarf2 info for this bfd. */
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void * dwarf2_find_line_info;
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void * dwarf2_find_line_info;
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/* The timestamp from the COFF file header. */
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/* The timestamp from the COFF file header. */
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long timestamp;
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long timestamp;
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/* Copy of some of the f_flags bits in the COFF filehdr structure,
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/* Copy of some of the f_flags bits in the COFF filehdr structure,
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used by ARM code. */
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used by ARM code. */
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flagword flags;
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flagword flags;
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/* coff-stgo32 EXE stub header after BFD tdata has been allocated. Its data
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is kept in internal_filehdr.go32stub beforehand. */
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char *go32stub;
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} coff_data_type;
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} coff_data_type;
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/* Tdata for pe image files. */
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/* Tdata for pe image files. */
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typedef struct pe_tdata
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typedef struct pe_tdata
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{
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{
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coff_data_type coff;
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coff_data_type coff;
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struct internal_extra_pe_aouthdr pe_opthdr;
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struct internal_extra_pe_aouthdr pe_opthdr;
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int dll;
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int dll;
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int has_reloc_section;
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int has_reloc_section;
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bfd_boolean (*in_reloc_p) (bfd *, reloc_howto_type *);
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bfd_boolean (*in_reloc_p) (bfd *, reloc_howto_type *);
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flagword real_flags;
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flagword real_flags;
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int target_subsystem;
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bfd_boolean force_minimum_alignment;
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} pe_data_type;
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} pe_data_type;
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#define pe_data(bfd) ((bfd)->tdata.pe_obj_data)
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#define pe_data(bfd) ((bfd)->tdata.pe_obj_data)
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/* Tdata for XCOFF files. */
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/* Tdata for XCOFF files. */
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struct xcoff_tdata
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struct xcoff_tdata
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{
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{
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/* Basic COFF information. */
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/* Basic COFF information. */
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coff_data_type coff;
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coff_data_type coff;
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/* TRUE if this is an XCOFF64 file. */
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/* TRUE if this is an XCOFF64 file. */
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bfd_boolean xcoff64;
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bfd_boolean xcoff64;
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/* TRUE if a large a.out header should be generated. */
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/* TRUE if a large a.out header should be generated. */
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bfd_boolean full_aouthdr;
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bfd_boolean full_aouthdr;
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/* TOC value. */
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/* TOC value. */
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bfd_vma toc;
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bfd_vma toc;
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/* Index of section holding TOC. */
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/* Index of section holding TOC. */
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int sntoc;
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int sntoc;
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/* Index of section holding entry point. */
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/* Index of section holding entry point. */
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int snentry;
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int snentry;
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/* .text alignment from optional header. */
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/* .text alignment from optional header. */
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int text_align_power;
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int text_align_power;
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/* .data alignment from optional header. */
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/* .data alignment from optional header. */
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int data_align_power;
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int data_align_power;
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/* modtype from optional header. */
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/* modtype from optional header. */
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short modtype;
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short modtype;
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/* cputype from optional header. */
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/* cputype from optional header. */
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short cputype;
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short cputype;
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/* maxdata from optional header. */
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/* maxdata from optional header. */
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bfd_vma maxdata;
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bfd_vma maxdata;
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/* maxstack from optional header. */
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/* maxstack from optional header. */
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bfd_vma maxstack;
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bfd_vma maxstack;
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/* Used by the XCOFF backend linker. */
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/* Used by the XCOFF backend linker. */
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asection **csects;
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asection **csects;
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unsigned long *debug_indices;
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long *debug_indices;
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unsigned int *lineno_counts;
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unsigned int import_file_id;
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unsigned int import_file_id;
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};
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};
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#define xcoff_data(abfd) ((abfd)->tdata.xcoff_obj_data)
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#define xcoff_data(abfd) ((abfd)->tdata.xcoff_obj_data)
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/* We take the address of the first element of an asymbol to ensure that the
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/* We take the address of the first element of an asymbol to ensure that the
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macro is only ever applied to an asymbol. */
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macro is only ever applied to an asymbol. */
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#define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd)))
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#define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd)))
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/* The used_by_bfd field of a section may be set to a pointer to this
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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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structure. */
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struct coff_section_tdata
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struct coff_section_tdata
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{
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{
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/* The relocs, swapped into COFF internal form. This may be NULL. */
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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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struct internal_reloc *relocs;
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/* If this is TRUE, the relocs entry may not be freed. */
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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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bfd_boolean keep_relocs;
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/* The section contents. This may be NULL. */
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/* The section contents. This may be NULL. */
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bfd_byte *contents;
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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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/* If this is TRUE, the contents entry may not be freed. */
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bfd_boolean keep_contents;
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bfd_boolean keep_contents;
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/* Information cached by coff_find_nearest_line. */
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/* Information cached by coff_find_nearest_line. */
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bfd_vma offset;
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bfd_vma offset;
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unsigned int i;
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unsigned int i;
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const char *function;
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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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/* Optional information about a COMDAT entry; NULL if not COMDAT. */
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struct coff_comdat_info *comdat;
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struct coff_comdat_info *comdat;
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int line_base;
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int line_base;
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/* A pointer used for .stab linking optimizations. */
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/* A pointer used for .stab linking optimizations. */
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void * stab_info;
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void * stab_info;
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/* Available for individual backends. */
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/* Available for individual backends. */
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void * tdata;
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void * tdata;
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};
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};
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/* An accessor macro for the coff_section_tdata structure. */
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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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#define coff_section_data(abfd, sec) \
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((struct coff_section_tdata *) (sec)->used_by_bfd)
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((struct coff_section_tdata *) (sec)->used_by_bfd)
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/* Tdata for sections in XCOFF files. This is used by the linker. */
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/* Tdata for sections in XCOFF files. This is used by the linker. */
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struct xcoff_section_tdata
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struct xcoff_section_tdata
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{
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{
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/* Used for XCOFF csects created by the linker; points to the real
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/* Used for XCOFF csects created by the linker; points to the real
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XCOFF section which contains this csect. */
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XCOFF section which contains this csect. */
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asection *enclosing;
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asection *enclosing;
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/* The lineno_count field for the enclosing section, because we are
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/* The lineno_count field for the enclosing section, because we are
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going to clobber it there. */
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going to clobber it there. */
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unsigned int lineno_count;
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unsigned int lineno_count;
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/* The first and one past the last symbol indices for symbols used
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/* The first and last symbol indices for symbols used by this csect. */
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by this csect. */
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unsigned long first_symndx;
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unsigned long first_symndx;
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unsigned long last_symndx;
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unsigned long last_symndx;
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};
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};
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/* An accessor macro the xcoff_section_tdata structure. */
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/* An accessor macro the xcoff_section_tdata structure. */
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#define xcoff_section_data(abfd, sec) \
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#define xcoff_section_data(abfd, sec) \
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((struct xcoff_section_tdata *) coff_section_data ((abfd), (sec))->tdata)
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((struct xcoff_section_tdata *) coff_section_data ((abfd), (sec))->tdata)
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/* Tdata for sections in PE files. */
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/* Tdata for sections in PE files. */
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struct pei_section_tdata
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struct pei_section_tdata
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{
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{
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/* The virtual size of the section. */
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/* The virtual size of the section. */
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bfd_size_type virt_size;
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bfd_size_type virt_size;
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/* The PE section flags. */
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/* The PE section flags. */
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long pe_flags;
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long pe_flags;
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};
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};
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/* An accessor macro for the pei_section_tdata structure. */
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/* An accessor macro for the pei_section_tdata structure. */
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#define pei_section_data(abfd, sec) \
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#define pei_section_data(abfd, sec) \
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((struct pei_section_tdata *) coff_section_data ((abfd), (sec))->tdata)
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((struct pei_section_tdata *) coff_section_data ((abfd), (sec))->tdata)
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/* COFF linker hash table entries. */
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/* COFF linker hash table entries. */
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struct coff_link_hash_entry
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struct coff_link_hash_entry
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{
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{
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struct bfd_link_hash_entry root;
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struct bfd_link_hash_entry root;
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/* Symbol index in output file. Set to -1 initially. Set to -2 if
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/* Symbol index in output file. Set to -1 initially. Set to -2 if
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there is a reloc against this symbol. */
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there is a reloc against this symbol. */
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long indx;
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long indx;
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/* Symbol type. */
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/* Symbol type. */
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unsigned short type;
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unsigned short type;
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/* Symbol class. */
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/* Symbol class. */
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unsigned char class;
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unsigned char symbol_class;
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/* Number of auxiliary entries. */
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/* Number of auxiliary entries. */
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char numaux;
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char numaux;
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/* BFD to take auxiliary entries from. */
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/* BFD to take auxiliary entries from. */
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bfd *auxbfd;
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bfd *auxbfd;
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/* Pointer to array of auxiliary entries, if any. */
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/* Pointer to array of auxiliary entries, if any. */
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union internal_auxent *aux;
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union internal_auxent *aux;
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/* Flag word; legal values follow. */
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/* Flag word; legal values follow. */
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unsigned short coff_link_hash_flags;
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unsigned short coff_link_hash_flags;
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/* Symbol is a PE section symbol. */
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/* Symbol is a PE section symbol. */
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#define COFF_LINK_HASH_PE_SECTION_SYMBOL (01)
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#define COFF_LINK_HASH_PE_SECTION_SYMBOL (01)
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};
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};
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/* COFF linker hash table. */
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/* COFF linker hash table. */
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struct coff_link_hash_table
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struct coff_link_hash_table
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{
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{
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struct bfd_link_hash_table root;
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struct bfd_link_hash_table root;
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/* A pointer to information used to link stabs in sections. */
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/* A pointer to information used to link stabs in sections. */
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struct stab_info stab_info;
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struct stab_info stab_info;
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};
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};
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/* Look up an entry in a COFF linker hash table. */
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/* Look up an entry in a COFF linker hash table. */
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#define coff_link_hash_lookup(table, string, create, copy, follow) \
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#define coff_link_hash_lookup(table, string, create, copy, follow) \
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((struct coff_link_hash_entry *) \
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((struct coff_link_hash_entry *) \
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bfd_link_hash_lookup (&(table)->root, (string), (create), \
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bfd_link_hash_lookup (&(table)->root, (string), (create), \
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(copy), (follow)))
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(copy), (follow)))
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/* Traverse a COFF linker hash table. */
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/* Traverse a COFF linker hash table. */
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#define coff_link_hash_traverse(table, func, info) \
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#define coff_link_hash_traverse(table, func, info) \
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(bfd_link_hash_traverse \
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(bfd_link_hash_traverse \
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(&(table)->root, \
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(&(table)->root, \
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(bfd_boolean (*) (struct bfd_link_hash_entry *, void *)) (func), \
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(bfd_boolean (*) (struct bfd_link_hash_entry *, void *)) (func), \
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(info)))
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(info)))
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/* Get the COFF linker hash table from a link_info structure. */
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/* Get the COFF linker hash table from a link_info structure. */
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#define coff_hash_table(p) ((struct coff_link_hash_table *) ((p)->hash))
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#define coff_hash_table(p) ((struct coff_link_hash_table *) ((p)->hash))
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/* Functions in coffgen.c. */
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/* Functions in coffgen.c. */
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extern const bfd_target *coff_object_p
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extern const bfd_target *coff_object_p
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(bfd *);
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(bfd *);
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extern struct bfd_section *coff_section_from_bfd_index
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extern struct bfd_section *coff_section_from_bfd_index
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(bfd *, int);
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(bfd *, int);
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extern long coff_get_symtab_upper_bound
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extern long coff_get_symtab_upper_bound
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(bfd *);
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(bfd *);
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extern long coff_canonicalize_symtab
|
extern long coff_canonicalize_symtab
|
(bfd *, asymbol **);
|
(bfd *, asymbol **);
|
extern int coff_count_linenumbers
|
extern int coff_count_linenumbers
|
(bfd *);
|
(bfd *);
|
extern struct coff_symbol_struct *coff_symbol_from
|
extern struct coff_symbol_struct *coff_symbol_from
|
(bfd *, asymbol *);
|
(bfd *, asymbol *);
|
extern bfd_boolean coff_renumber_symbols
|
extern bfd_boolean coff_renumber_symbols
|
(bfd *, int *);
|
(bfd *, int *);
|
extern void coff_mangle_symbols
|
extern void coff_mangle_symbols
|
(bfd *);
|
(bfd *);
|
extern bfd_boolean coff_write_symbols
|
extern bfd_boolean coff_write_symbols
|
(bfd *);
|
(bfd *);
|
extern bfd_boolean coff_write_linenumbers
|
extern bfd_boolean coff_write_linenumbers
|
(bfd *);
|
(bfd *);
|
extern alent *coff_get_lineno
|
extern alent *coff_get_lineno
|
(bfd *, asymbol *);
|
(bfd *, asymbol *);
|
extern asymbol *coff_section_symbol
|
extern asymbol *coff_section_symbol
|
(bfd *, char *);
|
(bfd *, char *);
|
extern bfd_boolean _bfd_coff_get_external_symbols
|
extern bfd_boolean _bfd_coff_get_external_symbols
|
(bfd *);
|
(bfd *);
|
extern const char *_bfd_coff_read_string_table
|
extern const char *_bfd_coff_read_string_table
|
(bfd *);
|
(bfd *);
|
extern bfd_boolean _bfd_coff_free_symbols
|
extern bfd_boolean _bfd_coff_free_symbols
|
(bfd *);
|
(bfd *);
|
extern struct coff_ptr_struct *coff_get_normalized_symtab
|
extern struct coff_ptr_struct *coff_get_normalized_symtab
|
(bfd *);
|
(bfd *);
|
extern long coff_get_reloc_upper_bound
|
extern long coff_get_reloc_upper_bound
|
(bfd *, sec_ptr);
|
(bfd *, sec_ptr);
|
extern asymbol *coff_make_empty_symbol
|
extern asymbol *coff_make_empty_symbol
|
(bfd *);
|
(bfd *);
|
extern void coff_print_symbol
|
extern void coff_print_symbol
|
(bfd *, void * filep, asymbol *, bfd_print_symbol_type);
|
(bfd *, void * filep, asymbol *, bfd_print_symbol_type);
|
extern void coff_get_symbol_info
|
extern void coff_get_symbol_info
|
(bfd *, asymbol *, symbol_info *ret);
|
(bfd *, asymbol *, symbol_info *ret);
|
extern bfd_boolean _bfd_coff_is_local_label_name
|
extern bfd_boolean _bfd_coff_is_local_label_name
|
(bfd *, const char *);
|
(bfd *, const char *);
|
extern asymbol *coff_bfd_make_debug_symbol
|
extern asymbol *coff_bfd_make_debug_symbol
|
(bfd *, void *, unsigned long);
|
(bfd *, void *, unsigned long);
|
extern bfd_boolean coff_find_nearest_line
|
extern bfd_boolean coff_find_nearest_line
|
(bfd *, asection *, asymbol **, bfd_vma, const char **,
|
(bfd *, asection *, asymbol **, bfd_vma, const char **,
|
const char **, unsigned int *);
|
const char **, unsigned int *);
|
extern bfd_boolean coff_find_inliner_info
|
extern bfd_boolean coff_find_inliner_info
|
(bfd *, const char **, const char **, unsigned int *);
|
(bfd *, const char **, const char **, unsigned int *);
|
extern int coff_sizeof_headers
|
extern int coff_sizeof_headers
|
(bfd *, struct bfd_link_info *);
|
(bfd *, struct bfd_link_info *);
|
extern bfd_boolean bfd_coff_reloc16_relax_section
|
extern bfd_boolean bfd_coff_reloc16_relax_section
|
(bfd *, asection *, struct bfd_link_info *, bfd_boolean *);
|
(bfd *, asection *, struct bfd_link_info *, bfd_boolean *);
|
extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents
|
extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents
|
(bfd *, struct bfd_link_info *, struct bfd_link_order *,
|
(bfd *, struct bfd_link_info *, struct bfd_link_order *,
|
bfd_byte *, bfd_boolean, asymbol **);
|
bfd_byte *, bfd_boolean, asymbol **);
|
extern bfd_vma bfd_coff_reloc16_get_value
|
extern bfd_vma bfd_coff_reloc16_get_value
|
(arelent *, struct bfd_link_info *, asection *);
|
(arelent *, struct bfd_link_info *, asection *);
|
extern void bfd_perform_slip
|
extern void bfd_perform_slip
|
(bfd *, unsigned int, asection *, bfd_vma);
|
(bfd *, unsigned int, asection *, bfd_vma);
|
|
|
/* Functions and types in cofflink.c. */
|
/* Functions and types in cofflink.c. */
|
|
|
#define STRING_SIZE_SIZE 4
|
#define STRING_SIZE_SIZE 4
|
|
|
/* We use a hash table to merge identical enum, struct, and union
|
/* We use a hash table to merge identical enum, struct, and union
|
definitions in the linker. */
|
definitions in the linker. */
|
|
|
/* Information we keep for a single element (an enum value, a
|
/* Information we keep for a single element (an enum value, a
|
structure or union field) in the debug merge hash table. */
|
structure or union field) in the debug merge hash table. */
|
|
|
struct coff_debug_merge_element
|
struct coff_debug_merge_element
|
{
|
{
|
/* Next element. */
|
/* Next element. */
|
struct coff_debug_merge_element *next;
|
struct coff_debug_merge_element *next;
|
|
|
/* Name. */
|
/* Name. */
|
const char *name;
|
const char *name;
|
|
|
/* Type. */
|
/* Type. */
|
unsigned int type;
|
unsigned int type;
|
|
|
/* Symbol index for complex type. */
|
/* Symbol index for complex type. */
|
long tagndx;
|
long tagndx;
|
};
|
};
|
|
|
/* A linked list of debug merge entries for a given name. */
|
/* A linked list of debug merge entries for a given name. */
|
|
|
struct coff_debug_merge_type
|
struct coff_debug_merge_type
|
{
|
{
|
/* Next type with the same name. */
|
/* Next type with the same name. */
|
struct coff_debug_merge_type *next;
|
struct coff_debug_merge_type *next;
|
|
|
/* Class of type. */
|
/* Class of type. */
|
int class;
|
int type_class;
|
|
|
/* Symbol index where this type is defined. */
|
/* Symbol index where this type is defined. */
|
long indx;
|
long indx;
|
|
|
/* List of elements. */
|
/* List of elements. */
|
struct coff_debug_merge_element *elements;
|
struct coff_debug_merge_element *elements;
|
};
|
};
|
|
|
/* Information we store in the debug merge hash table. */
|
/* Information we store in the debug merge hash table. */
|
|
|
struct coff_debug_merge_hash_entry
|
struct coff_debug_merge_hash_entry
|
{
|
{
|
struct bfd_hash_entry root;
|
struct bfd_hash_entry root;
|
|
|
/* A list of types with this name. */
|
/* A list of types with this name. */
|
struct coff_debug_merge_type *types;
|
struct coff_debug_merge_type *types;
|
};
|
};
|
|
|
/* The debug merge hash table. */
|
/* The debug merge hash table. */
|
|
|
struct coff_debug_merge_hash_table
|
struct coff_debug_merge_hash_table
|
{
|
{
|
struct bfd_hash_table root;
|
struct bfd_hash_table root;
|
};
|
};
|
|
|
/* Initialize a COFF debug merge hash table. */
|
/* Initialize a COFF debug merge hash table. */
|
|
|
#define coff_debug_merge_hash_table_init(table) \
|
#define coff_debug_merge_hash_table_init(table) \
|
(bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc, \
|
(bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc, \
|
sizeof (struct coff_debug_merge_hash_entry)))
|
sizeof (struct coff_debug_merge_hash_entry)))
|
|
|
/* Free a COFF debug merge hash table. */
|
/* Free a COFF debug merge hash table. */
|
|
|
#define coff_debug_merge_hash_table_free(table) \
|
#define coff_debug_merge_hash_table_free(table) \
|
(bfd_hash_table_free (&(table)->root))
|
(bfd_hash_table_free (&(table)->root))
|
|
|
/* Look up an entry in a COFF debug merge hash table. */
|
/* Look up an entry in a COFF debug merge hash table. */
|
|
|
#define coff_debug_merge_hash_lookup(table, string, create, copy) \
|
#define coff_debug_merge_hash_lookup(table, string, create, copy) \
|
((struct coff_debug_merge_hash_entry *) \
|
((struct coff_debug_merge_hash_entry *) \
|
bfd_hash_lookup (&(table)->root, (string), (create), (copy)))
|
bfd_hash_lookup (&(table)->root, (string), (create), (copy)))
|
|
|
/* Information we keep for each section in the output file when doing
|
/* Information we keep for each section in the output file when doing
|
a relocatable link. */
|
a relocatable link. */
|
|
|
struct coff_link_section_info
|
struct coff_link_section_info
|
{
|
{
|
/* The relocs to be output. */
|
/* The relocs to be output. */
|
struct internal_reloc *relocs;
|
struct internal_reloc *relocs;
|
/* For each reloc against a global symbol whose index was not known
|
/* For each reloc against a global symbol whose index was not known
|
when the reloc was handled, the global hash table entry. */
|
when the reloc was handled, the global hash table entry. */
|
struct coff_link_hash_entry **rel_hashes;
|
struct coff_link_hash_entry **rel_hashes;
|
};
|
};
|
|
|
/* Information that we pass around while doing the final link step. */
|
/* Information that we pass around while doing the final link step. */
|
|
|
struct coff_final_link_info
|
struct coff_final_link_info
|
{
|
{
|
/* General link information. */
|
/* General link information. */
|
struct bfd_link_info *info;
|
struct bfd_link_info *info;
|
/* Output BFD. */
|
/* Output BFD. */
|
bfd *output_bfd;
|
bfd *output_bfd;
|
/* Used to indicate failure in traversal routine. */
|
/* Used to indicate failure in traversal routine. */
|
bfd_boolean failed;
|
bfd_boolean failed;
|
/* If doing "task linking" set only during the time when we want the
|
/* If doing "task linking" set only during the time when we want the
|
global symbol writer to convert the storage class of defined global
|
global symbol writer to convert the storage class of defined global
|
symbols from global to static. */
|
symbols from global to static. */
|
bfd_boolean global_to_static;
|
bfd_boolean global_to_static;
|
/* Hash table for long symbol names. */
|
/* Hash table for long symbol names. */
|
struct bfd_strtab_hash *strtab;
|
struct bfd_strtab_hash *strtab;
|
/* When doing a relocatable link, an array of information kept for
|
/* When doing a relocatable link, an array of information kept for
|
each output section, indexed by the target_index field. */
|
each output section, indexed by the target_index field. */
|
struct coff_link_section_info *section_info;
|
struct coff_link_section_info *section_info;
|
/* Symbol index of last C_FILE symbol (-1 if none). */
|
/* Symbol index of last C_FILE symbol (-1 if none). */
|
long last_file_index;
|
long last_file_index;
|
/* Contents of last C_FILE symbol. */
|
/* Contents of last C_FILE symbol. */
|
struct internal_syment last_file;
|
struct internal_syment last_file;
|
/* Symbol index of first aux entry of last .bf symbol with an empty
|
/* Symbol index of first aux entry of last .bf symbol with an empty
|
endndx field (-1 if none). */
|
endndx field (-1 if none). */
|
long last_bf_index;
|
long last_bf_index;
|
/* Contents of last_bf_index aux entry. */
|
/* Contents of last_bf_index aux entry. */
|
union internal_auxent last_bf;
|
union internal_auxent last_bf;
|
/* Hash table used to merge debug information. */
|
/* Hash table used to merge debug information. */
|
struct coff_debug_merge_hash_table debug_merge;
|
struct coff_debug_merge_hash_table debug_merge;
|
/* Buffer large enough to hold swapped symbols of any input file. */
|
/* Buffer large enough to hold swapped symbols of any input file. */
|
struct internal_syment *internal_syms;
|
struct internal_syment *internal_syms;
|
/* Buffer large enough to hold sections of symbols of any input file. */
|
/* Buffer large enough to hold sections of symbols of any input file. */
|
asection **sec_ptrs;
|
asection **sec_ptrs;
|
/* Buffer large enough to hold output indices of symbols of any
|
/* Buffer large enough to hold output indices of symbols of any
|
input file. */
|
input file. */
|
long *sym_indices;
|
long *sym_indices;
|
/* Buffer large enough to hold output symbols for any input file. */
|
/* Buffer large enough to hold output symbols for any input file. */
|
bfd_byte *outsyms;
|
bfd_byte *outsyms;
|
/* Buffer large enough to hold external line numbers for any input
|
/* Buffer large enough to hold external line numbers for any input
|
section. */
|
section. */
|
bfd_byte *linenos;
|
bfd_byte *linenos;
|
/* Buffer large enough to hold any input section. */
|
/* Buffer large enough to hold any input section. */
|
bfd_byte *contents;
|
bfd_byte *contents;
|
/* Buffer large enough to hold external relocs of any input section. */
|
/* Buffer large enough to hold external relocs of any input section. */
|
bfd_byte *external_relocs;
|
bfd_byte *external_relocs;
|
/* Buffer large enough to hold swapped relocs of any input section. */
|
/* Buffer large enough to hold swapped relocs of any input section. */
|
struct internal_reloc *internal_relocs;
|
struct internal_reloc *internal_relocs;
|
};
|
};
|
|
|
/* Most COFF variants have no way to record the alignment of a
|
/* Most COFF variants have no way to record the alignment of a
|
section. This struct is used to set a specific alignment based on
|
section. This struct is used to set a specific alignment based on
|
the name of the section. */
|
the name of the section. */
|
|
|
struct coff_section_alignment_entry
|
struct coff_section_alignment_entry
|
{
|
{
|
/* The section name. */
|
/* The section name. */
|
const char *name;
|
const char *name;
|
|
|
/* This is either (unsigned int) -1, indicating that the section
|
/* This is either (unsigned int) -1, indicating that the section
|
name must match exactly, or it is the number of letters which
|
name must match exactly, or it is the number of letters which
|
must match at the start of the name. */
|
must match at the start of the name. */
|
unsigned int comparison_length;
|
unsigned int comparison_length;
|
|
|
/* These macros may be used to fill in the first two fields in a
|
/* These macros may be used to fill in the first two fields in a
|
structure initialization. */
|
structure initialization. */
|
#define COFF_SECTION_NAME_EXACT_MATCH(name) (name), ((unsigned int) -1)
|
#define COFF_SECTION_NAME_EXACT_MATCH(name) (name), ((unsigned int) -1)
|
#define COFF_SECTION_NAME_PARTIAL_MATCH(name) (name), (sizeof (name) - 1)
|
#define COFF_SECTION_NAME_PARTIAL_MATCH(name) (name), (sizeof (name) - 1)
|
|
|
/* Only use this entry if the default section alignment for this
|
/* Only use this entry if the default section alignment for this
|
target is at least that much (as a power of two). If this field
|
target is at least that much (as a power of two). If this field
|
is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */
|
is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */
|
unsigned int default_alignment_min;
|
unsigned int default_alignment_min;
|
|
|
/* Only use this entry if the default section alignment for this
|
/* Only use this entry if the default section alignment for this
|
target is no greater than this (as a power of two). If this
|
target is no greater than this (as a power of two). If this
|
field is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */
|
field is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */
|
unsigned int default_alignment_max;
|
unsigned int default_alignment_max;
|
|
|
#define COFF_ALIGNMENT_FIELD_EMPTY ((unsigned int) -1)
|
#define COFF_ALIGNMENT_FIELD_EMPTY ((unsigned int) -1)
|
|
|
/* The desired alignment for this section (as a power of two). */
|
/* The desired alignment for this section (as a power of two). */
|
unsigned int alignment_power;
|
unsigned int alignment_power;
|
};
|
};
|
|
|
extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc
|
extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc
|
(struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
|
(struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
|
extern bfd_boolean _bfd_coff_link_hash_table_init
|
extern bfd_boolean _bfd_coff_link_hash_table_init
|
(struct coff_link_hash_table *, bfd *,
|
(struct coff_link_hash_table *, bfd *,
|
struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
|
struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
|
struct bfd_hash_table *,
|
struct bfd_hash_table *,
|
const char *),
|
const char *),
|
unsigned int);
|
unsigned int);
|
extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create
|
extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create
|
(bfd *);
|
(bfd *);
|
extern const char *_bfd_coff_internal_syment_name
|
extern const char *_bfd_coff_internal_syment_name
|
(bfd *, const struct internal_syment *, char *);
|
(bfd *, const struct internal_syment *, char *);
|
extern bfd_boolean _bfd_coff_link_add_symbols
|
extern bfd_boolean _bfd_coff_link_add_symbols
|
(bfd *, struct bfd_link_info *);
|
(bfd *, struct bfd_link_info *);
|
extern bfd_boolean _bfd_coff_final_link
|
extern bfd_boolean _bfd_coff_final_link
|
(bfd *, struct bfd_link_info *);
|
(bfd *, struct bfd_link_info *);
|
extern struct internal_reloc *_bfd_coff_read_internal_relocs
|
extern struct internal_reloc *_bfd_coff_read_internal_relocs
|
(bfd *, asection *, bfd_boolean, bfd_byte *, bfd_boolean,
|
(bfd *, asection *, bfd_boolean, bfd_byte *, bfd_boolean,
|
struct internal_reloc *);
|
struct internal_reloc *);
|
extern bfd_boolean _bfd_coff_generic_relocate_section
|
extern bfd_boolean _bfd_coff_generic_relocate_section
|
(bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
|
(bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
|
struct internal_reloc *, struct internal_syment *, asection **);
|
struct internal_reloc *, struct internal_syment *, asection **);
|
extern struct bfd_hash_entry *_bfd_coff_debug_merge_hash_newfunc
|
extern struct bfd_hash_entry *_bfd_coff_debug_merge_hash_newfunc
|
(struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
|
(struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
|
extern bfd_boolean _bfd_coff_write_global_sym
|
extern bfd_boolean _bfd_coff_write_global_sym
|
(struct coff_link_hash_entry *, void *);
|
(struct coff_link_hash_entry *, void *);
|
extern bfd_boolean _bfd_coff_write_task_globals
|
extern bfd_boolean _bfd_coff_write_task_globals
|
(struct coff_link_hash_entry *, void *);
|
(struct coff_link_hash_entry *, void *);
|
extern bfd_boolean _bfd_coff_link_input_bfd
|
extern bfd_boolean _bfd_coff_link_input_bfd
|
(struct coff_final_link_info *, bfd *);
|
(struct coff_final_link_info *, bfd *);
|
extern bfd_boolean _bfd_coff_reloc_link_order
|
extern bfd_boolean _bfd_coff_reloc_link_order
|
(bfd *, struct coff_final_link_info *, asection *,
|
(bfd *, struct coff_final_link_info *, asection *,
|
struct bfd_link_order *);
|
struct bfd_link_order *);
|
|
|
|
|
#define coff_get_section_contents_in_window \
|
#define coff_get_section_contents_in_window \
|
_bfd_generic_get_section_contents_in_window
|
_bfd_generic_get_section_contents_in_window
|
|
|
/* Functions in xcofflink.c. */
|
/* Functions in xcofflink.c. */
|
|
|
extern long _bfd_xcoff_get_dynamic_symtab_upper_bound
|
extern long _bfd_xcoff_get_dynamic_symtab_upper_bound
|
(bfd *);
|
(bfd *);
|
extern long _bfd_xcoff_canonicalize_dynamic_symtab
|
extern long _bfd_xcoff_canonicalize_dynamic_symtab
|
(bfd *, asymbol **);
|
(bfd *, asymbol **);
|
extern long _bfd_xcoff_get_dynamic_reloc_upper_bound
|
extern long _bfd_xcoff_get_dynamic_reloc_upper_bound
|
(bfd *);
|
(bfd *);
|
extern long _bfd_xcoff_canonicalize_dynamic_reloc
|
extern long _bfd_xcoff_canonicalize_dynamic_reloc
|
(bfd *, arelent **, asymbol **);
|
(bfd *, arelent **, asymbol **);
|
extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create
|
extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create
|
(bfd *);
|
(bfd *);
|
extern void _bfd_xcoff_bfd_link_hash_table_free
|
extern void _bfd_xcoff_bfd_link_hash_table_free
|
(struct bfd_link_hash_table *);
|
(struct bfd_link_hash_table *);
|
extern bfd_boolean _bfd_xcoff_bfd_link_add_symbols
|
extern bfd_boolean _bfd_xcoff_bfd_link_add_symbols
|
(bfd *, struct bfd_link_info *);
|
(bfd *, struct bfd_link_info *);
|
extern bfd_boolean _bfd_xcoff_bfd_final_link
|
extern bfd_boolean _bfd_xcoff_bfd_final_link
|
(bfd *, struct bfd_link_info *);
|
(bfd *, struct bfd_link_info *);
|
|
extern bfd_boolean _bfd_xcoff_define_common_symbol
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(bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *);
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extern bfd_boolean _bfd_ppc_xcoff_relocate_section
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extern bfd_boolean _bfd_ppc_xcoff_relocate_section
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(bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
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(bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
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struct internal_reloc *, struct internal_syment *, asection **);
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struct internal_reloc *, struct internal_syment *, asection **);
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/* Functions in coff-ppc.c. FIXME: These are called be pe.em in the
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/* Functions in coff-ppc.c. FIXME: These are called by pe.em in the
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linker, and so should start with bfd and be declared in bfd.h. */
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linker, and so should start with bfd and be declared in bfd.h. */
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extern bfd_boolean ppc_allocate_toc_section
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extern bfd_boolean ppc_allocate_toc_section
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(struct bfd_link_info *);
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(struct bfd_link_info *);
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extern bfd_boolean ppc_process_before_allocation
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extern bfd_boolean ppc_process_before_allocation
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(bfd *, struct bfd_link_info *);
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(bfd *, struct bfd_link_info *);
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No newline at end of file
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