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Diffstat (limited to 'gold/ChangeLog')
| -rw-r--r-- | gold/ChangeLog | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/gold/ChangeLog b/gold/ChangeLog index 90af8cb..b8123c4 100644 --- a/gold/ChangeLog +++ b/gold/ChangeLog @@ -1,3 +1,74 @@ +2009-01-20 Sriraman Tallam <tmsriram@google.com> + + * Makefile.am (CCFILES): Add gc.cc. + (HFILES): Add gc.h. + * Makefile.in: Regenerate. + * gold.cc (Gc_runner): New class. + (queue_initial_tasks): Call garbage collection related tasks + when corresponding options are invoked. + (queue_middle_gc_tasks): New function. + (queue_middle_tasks): Reorder tasks to allow relocs to be read and + processed early before laying out sections during garbage collection. + * gold.h (queue_middle_gc_tasks): New function. + (is_prefix_of): Move from "layout.cc". + * i386.cc (Target_i386::gc_process_relocs): New function. + * layout.cc (is_prefix_of): Remove. Move to "gold.h" + * main.cc (main): Create object of class "Garbage_collection". + * object.cc (Relobj::copy_symbols_data): New function. + (Relobj::is_section_name_included): New function. + (Sized_relobj::do_layout): Allow this function to be called twice + during garbage collection and defer layout of section during the + first call. + * object.h (Relobj::get_symbols_data): New function. + (Relobj::is_section_name_included): New function. + (Relobj::copy_symbols_data): New function. + (Relobj::set_symbols_data): New function. + (Relobj::get_relocs_data): New function. + (Relobj::set_relocs_data): New function. + (Relobj::is_output_section_offset_invalid): New pure virtual function. + (Relobj::gc_process_relocs): New function. + (Relobj::do_gc_process_relocs): New pure virtual function. + (Relobj::sd_): New data member. + (Sized_relobj::is_output_section_offset_invalid): New function. + (Sized_relobj::do_gc_process_relocs): New function. + * options.h (General_options::gc_sections): Modify to not be a no-op. + (General_options::print_gc_sections): New option. + * plugin.cc (Plugin_finish::run): Remove function call to + Plugin_manager::layout_deferred_objects. Move it to "gold.cc". + * powerpc.cc (Target_powerpc::gc_process_relocs): New function. + * reloc.cc (Read_relocs::run): Add task to process relocs and + determine unreferenced sections when doing garbage collection. + (Gc_process_relocs): New class. + (Sized_relobj::do_gc_process_relocs): New function. + (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for + sections that are garbage collected. + * reloc.h (Gc_process_relocs): New class. + * sparc.cc (Target_sparc::gc_process_relocs): New function. + * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for + symbols whose corresponding sections are garbage collected. + (Symbol_table::Symbol_table): Add new parameter for the garbage + collection object. + (Symbol_table::gc_mark_undef_symbols): New function. + (Symbol_table::gc_mark_symbol_for_shlib): New function. + (Symbol_table::gc_mark_dyn_syms): New function. + (Symbol_table::resolve): Do not treat symbols seen in dynamic objects + as garbage. + (Symbol_table::add_from_object): Likewise. + (Symbol_table::add_from_relobj): When building shared objects, do not + treat externally visible symbols as garbage. + (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol + table information for static and relocatable links. + * symtab.h (Symbol_table::set_gc): New function. + (Symbol_table::gc): New function. + (Symbol_table::gc_mark_undef_symbols): New function. + (Symbol_table::gc_mark_symbol_for_shlib): New function. + (Symbol_table::gc_mark_dyn_syms): New function. + (Symbol_table::gc_): New data member. + * target.h (Sized_target::gc_process_relocs): New pure virtual + function. + * x86_64.cc (Target_x86_64::gc_process_relocs): New function. + * testsuite/testfile.cc (Target_test::gc_process_relocs): New function. + 2009-01-20 Chris Faylor <me.sourceware@sourceware.org> * options.h (General_options::gc_sections): Define as a no-op for now. |