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Add support for STT_SPARC_REGISTER symbols.

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gold/
	PR gold/19019
	* layout.h (Layout::add_target_specific_dynamic_tag): New function.
	* layout.cc (Layout::add_target_specific_dynamic_tag): New function.
	* mips.cc (Target_mips::make_symbol): Adjust function signature.
	* sparc.cc (Target_sparc::Target_sparc): Initialize register_syms_.
	(Target_sparc::do_is_defined_by_abi): Remove test for
	STT_SPARC_REGISTER.
	(Target_sparc::Register_symbol): New struct type.
	(Target_sparc::register_syms_): New data member.
	(Target_sparc<64, true>::sparc_info): Set has_make_symbol to true.
	(Target_sparc::make_symbol): New function.
	(Target_sparc::do_finalize_sections): Add register symbols and new
	dynamic table entries.
	* symtab.h (Sized_symbol::init_undefined): Add value parameter.
	(Symbol_table::add_target_global_symbol): New function.
	(Symbol_table::target_symbols_): New data member.
	* symtab.cc (Sized_symbol::init_undefined): Add value parameter.
	(Symbol_table::Symbol_table): Initialize target_symbols_.
	(Symbol_table::add_from_object): Pass additional parameters to
	Target::make_symbol.
	(Symbol_table::define_special_symbol): Likewise.
	(Symbol_table::add_undefined_symbol_from_command_line): Pass 0 for
	undefined symbol value.
	(Symbol_table::set_dynsym_indexes): Process target-specific symbols.
	(Symbol_table::sized_finalize): Likewise.
	(Symbol_table::sized_write_globals): Likewise.
	* target.h (Sized_target::make_symbol): Add name, st_type, object,
	st_shndx, and value parameters.
This commit is contained in:
Cary Coutant
2016-02-04 16:55:39 -08:00
parent 8b4ee0a5c1
commit dc1c8a16a3
8 changed files with 236 additions and 20 deletions
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2
gold/target.h
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@@ -834,7 +834,7 @@ class Sized_target : public Target
// symbol table. This will only be called if has_make_symbol()
// returns true.
virtual Sized_symbol<size>*
make_symbol() const
make_symbol(const char*, elfcpp::STT, Object*, unsigned int, uint64_t)
{ gold_unreachable(); }
// Resolve a symbol for the target. This should be overridden by a