[PATCH][GOLD] Add -z nocopyreloc option.

[Ian Lance Taylor]

"Doug Kwan (關振德)" <dougkwan@google.com> writes:

> 2009-09-30  Doug Kwan  <dougkwan@google.com>
>
>         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
>         symbol and call Symbol::may_need_copy_reloc to determine if
>         a copy reloc is needed.
>         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
>         nocopyreloc is given in command line.
>         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
>         given in command line.
>         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
>         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
>         of the removed Target_i386::may_need_copy_reloc.
>         * options.h (copyreloc): New option with default value false.
>         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
>         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
>         instead of the removed Target_powerpc::may_need_copy_reloc.
>         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
>         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
>         instead of the removed Target_sparc::may_need_copy_reloc.
>         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
>         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
>         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
>         instead of the removed Target_x86_64::may_need_copy_reloc.

This is OK.

Thanks.

Ian