| // target.cc |
| |
| // Copyright 2009 Free Software Foundation, Inc. |
| // Written by Doug Kwan <dougkwan@google.com>. |
| |
| // This file is part of gold. |
| |
| // This program is free software; you can redistribute it and/or modify |
| // it under the terms of the GNU General Public License as published by |
| // the Free Software Foundation; either version 3 of the License, or |
| // (at your option) any later version. |
| |
| // This program is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License |
| // along with this program; if not, write to the Free Software |
| // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| // MA 02110-1301, USA. |
| |
| #include "gold.h" |
| #include "target.h" |
| |
| namespace gold |
| { |
| |
| // Return whether NAME is a local label name. This is used to implement the |
| // --discard-locals options and can be overriden by children classes to |
| // implement system-specific behaviour. The logic here is the same as that |
| // in _bfd_elf_is_local_label_name(). |
| |
| bool |
| Target::do_is_local_label_name (const char* name) const |
| { |
| // Normal local symbols start with ``.L''. |
| if (name[0] == '.' && name[1] == 'L') |
| return true; |
| |
| // At least some SVR4 compilers (e.g., UnixWare 2.1 cc) generate |
| // DWARF debugging symbols starting with ``..''. |
| if (name[0] == '.' && name[1] == '.') |
| return true; |
| |
| // gcc will sometimes generate symbols beginning with ``_.L_'' when |
| // emitting DWARF debugging output. I suspect this is actually a |
| // small bug in gcc (it calls ASM_OUTPUT_LABEL when it should call |
| // ASM_GENERATE_INTERNAL_LABEL, and this causes the leading |
| // underscore to be emitted on some ELF targets). For ease of use, |
| // we treat such symbols as local. |
| if (name[0] == '_' && name[1] == '.' && name[2] == 'L' && name[3] == '_') |
| return true; |
| |
| return false; |
| } |
| |
| } // End namespace gold. |