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/* bfdlink.h -- header file for BFD link routines
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/* bfdlink.h -- header file for BFD link routines
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Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
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Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
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2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
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2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
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Written by Steve Chamberlain and Ian Lance Taylor, Cygnus Support.
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Written by Steve Chamberlain and Ian Lance Taylor, 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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bfd_link_common_skip_text,
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bfd_link_common_skip_text,
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bfd_link_common_skip_data,
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bfd_link_common_skip_data,
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bfd_link_common_skip_all
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bfd_link_common_skip_all
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};
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};
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struct bfd_link_hash_common_entry
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{
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unsigned int alignment_power; /* Alignment. */
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asection *section; /* Symbol section. */
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};
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/* The linking routines use a hash table which uses this structure for
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/* The linking routines use a hash table which uses this structure for
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its elements. */
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its elements. */
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struct bfd_link_hash_entry
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struct bfd_link_hash_entry
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{
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{
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section and the alignment. The alignment is stored as a
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section and the alignment. The alignment is stored as a
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power of two. We don't store all the information
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power of two. We don't store all the information
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directly because we don't want to increase the size of
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directly because we don't want to increase the size of
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the union; this structure is a major space user in the
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the union; this structure is a major space user in the
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linker. */
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linker. */
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struct bfd_link_hash_common_entry
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struct bfd_link_hash_common_entry *p;
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{
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unsigned int alignment_power; /* Alignment. */
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asection *section; /* Symbol section. */
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} *p;
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bfd_size_type size; /* Common symbol size. */
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bfd_size_type size; /* Common symbol size. */
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} c;
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} c;
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} u;
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} u;
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};
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};
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/* Remove symbols from the undefs list that don't belong there. */
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/* Remove symbols from the undefs list that don't belong there. */
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extern void bfd_link_repair_undef_list
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extern void bfd_link_repair_undef_list
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(struct bfd_link_hash_table *table);
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(struct bfd_link_hash_table *table);
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/* Read symbols and cache symbol pointer array in outsymbols. */
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extern bfd_boolean bfd_generic_link_read_symbols (bfd *);
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struct bfd_sym_chain
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struct bfd_sym_chain
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{
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{
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struct bfd_sym_chain *next;
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struct bfd_sym_chain *next;
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const char *name;
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const char *name;
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};
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};
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unsigned int relro: 1;
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unsigned int relro: 1;
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/* TRUE if we should warn when adding a DT_TEXTREL to a shared object. */
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/* TRUE if we should warn when adding a DT_TEXTREL to a shared object. */
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unsigned int warn_shared_textrel: 1;
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unsigned int warn_shared_textrel: 1;
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/* TRUE if we should warn alternate ELF machine code. */
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unsigned int warn_alternate_em: 1;
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/* TRUE if unreferenced sections should be removed. */
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/* TRUE if unreferenced sections should be removed. */
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unsigned int gc_sections: 1;
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unsigned int gc_sections: 1;
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/* TRUE if user shoudl be informed of removed unreferenced sections. */
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/* TRUE if user shoudl be informed of removed unreferenced sections. */
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unsigned int print_gc_sections: 1;
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unsigned int print_gc_sections: 1;
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/* Char that may appear as the first char of a symbol, but should be
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/* Char that may appear as the first char of a symbol, but should be
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skipped (like symbol_leading_char) when looking up symbols in
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skipped (like symbol_leading_char) when looking up symbols in
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wrap_hash. Used by PowerPC Linux for 'dot' symbols. */
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wrap_hash. Used by PowerPC Linux for 'dot' symbols. */
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char wrap_char;
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char wrap_char;
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/* Separator between archive and filename in linker script filespecs. */
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char path_separator;
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/* Function callbacks. */
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/* Function callbacks. */
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const struct bfd_link_callbacks *callbacks;
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const struct bfd_link_callbacks *callbacks;
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/* Hash table handled by BFD. */
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/* Hash table handled by BFD. */
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struct bfd_link_hash_table *hash;
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struct bfd_link_hash_table *hash;
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{
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{
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/* Next glob pattern for this version. */
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/* Next glob pattern for this version. */
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struct bfd_elf_version_expr *next;
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struct bfd_elf_version_expr *next;
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/* Glob pattern. */
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/* Glob pattern. */
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const char *pattern;
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const char *pattern;
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/* NULL for a glob pattern, otherwise a straight symbol. */
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/* Set if pattern is not a glob. */
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const char *symbol;
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unsigned int literal : 1;
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/* Defined by ".symver". */
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/* Defined by ".symver". */
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unsigned int symver : 1;
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unsigned int symver : 1;
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/* Defined by version script. */
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/* Defined by version script. */
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unsigned int script : 1;
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unsigned int script : 1;
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/* Pattern type. */
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/* Pattern type. */
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