59 lines
2 KiB
C++
59 lines
2 KiB
C++
|
// 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.
|