Allow target to set dynsym indexes.

2014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>

gold/
	* symtab.cc (Symbol_table::set_dynsym_indexes): Allow a target to set
	dynsym indexes.
	* target.h (Target::has_custom_set_dynsym_indexes): New function.
	(Target::do_has_custom_set_dynsym_indexes): New function.
	(Target::set_dynsym_indexes): New function.
	(Target::do_set_dynsym_indexes): New function.
Allow target to add custom dynamic table entries.

2014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>

gold/
	* output.cc (Output_data_dynamic::Dynamic_entry::write):
	Get the value of DYNAMIC_CUSTOM dynamic entry.
	* output.h (Output_data_dynamic::add_custom): New function.
	(Dynamic_entry::Dynamic_entry): New constructor for DYNAMIC_CUSTOM
	dynamic entry.
	(enum Dynamic_entry::Classification): Add DYNAMIC_CUSTOM.
	* target.h (Target::dynamic_tag_custom_value): New function.
	(Target::do_dynamic_tag_custom_value): New function.
Allow target to adjust dynamic symbol value.

2014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>

gold/
	* symtab.cc (Symbol_table::sized_write_globals): Allow a target to
	adjust dynamic symbol value.
	* target.h (Target::adjust_dyn_symbol): New function.
	(Target::do_adjust_dyn_symbol): New function.
Add explicit instantiations for Sized_symbol::init_output_data.

2014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>

gold/
	* symtab.cc (Sized_symbol<32>::init_output_data):
	Instantiate the template.
	(Sized_symbol<64>::init_output_data): Likewise.
Add function to set non-visibility part of st_other.

2014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>

gold/
	* symtab.h (Symbol::set_nonvis): New function.
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