gdb and binutils branch master updated. a3e60ddb0b43a3aed32f2982d472ab305c7e8f67

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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=a3e60ddb0b43a3aed32f2982d472ab305c7e8f67

commit a3e60ddb0b43a3aed32f2982d472ab305c7e8f67
Author: Alan Modra <amodra@gmail.com>
Date:   Wed Nov 26 11:10:29 2014 +1030

    Retry powerpc gold stub grouping when groups prove too large
    
    An unusually large number of stubs can result in the default section
    group size being too large;  sections plus stubs exceed the range of a
    branch.  Restarting the relaxation pass with a smaller group size can
    sometimes help.
    
    	* powerpc.cc (struct Stub_table_owner): New.
    	(Powerpc_relobj): Rename stub_table_ to stub_table_index_, an
    	unsigned int vector.  Update all references.
    	(powerpc_relobj::set_stub_table): Take an unsigned int param
    	rather than a Stub_table.  Update callers.
    	(Powerpc_relobj::clear_stub_table): New function.
    	(Target_powerpc): Add relax_failed_, relax_fail_count_ and
    	stub_group_size_ vars.
    	(Target_powerpc::new_stub_table): Delete.
    	(max_branch_delta): New function, extracted from..
    	(Target_powerpc::Relocate::relocate): ..here..
    	(Target_powerpc::Branch_info::make_stub): ..and here.  Return
    	status on whether stub created successfully.
    	(Stub_control::Stub_control): Add "no_size_errors" param.  Move
    	default sizing to..
    	(Target_powerpc::do_relax): ..here.  Init stub_group_size_ and
    	reduce on relax failure.
    	(Target_powerpc::group_sections): Add "no_size_errors" param.
    	Use stub_group_size_.  Set up group info in a temp vector,
    	before building Stub_table vector.  Account for input sections
    	possibly already converted to relaxed sections.
    	(Stub_table::init): Delete.  Merge into..
    	(Stub_table::Stub_table): ..here.
    	(Stub_table::can_reach_stub): New function.
    	(Stub_table::add_plt_call_entry): Add "from" parameter and
    	return true iff stub could be reached.
    	(Stub_table::add_long_branch_entry): Similarly.  Add "r_type"
    	param too.
    	(Stub_table::clear_stubs): Add "all" param.

-----------------------------------------------------------------------

Summary of changes:
 gold/ChangeLog  |   32 +++++
 gold/powerpc.cc |  343 ++++++++++++++++++++++++++++++++++---------------------
 2 files changed, 243 insertions(+), 132 deletions(-)


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