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