projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| bb04269c DK |
1 | // target.cc |
| 2 | ||
| 3 | // Copyright 2009 Free Software Foundation, Inc. | |
| 4 | // Written by Doug Kwan <dougkwan@google.com>. | |
| 5 | ||
| 6 | // This file is part of gold. | |
| 7 | ||
| 8 | // This program is free software; you can redistribute it and/or modify | |
| 9 | // it under the terms of the GNU General Public License as published by | |
| 10 | // the Free Software Foundation; either version 3 of the License, or | |
| 11 | // (at your option) any later version. | |
| 12 | ||
| 13 | // This program is distributed in the hope that it will be useful, | |
| 14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 16 | // GNU General Public License for more details. | |
| 17 | ||
| 18 | // You should have received a copy of the GNU General Public License | |
| 19 | // along with this program; if not, write to the Free Software | |
| 20 | // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
| 21 | // MA 02110-1301, USA. | |
| 22 | ||
| 23 | #include "gold.h" | |
| 24 | #include "target.h" | |
| 25 | ||
| 26 | namespace gold | |
| 27 | { | |
| 28 | ||
| 29 | // Return whether NAME is a local label name. This is used to implement the | |
| 30 | // --discard-locals options and can be overriden by children classes to | |
| 31 | // implement system-specific behaviour. The logic here is the same as that | |
| 32 | // in _bfd_elf_is_local_label_name(). | |
| 33 | ||
| 34 | bool | |
| 35 | Target::do_is_local_label_name (const char* name) const | |
| 36 | { | |
| 37 | // Normal local symbols start with ``.L''. | |
| 38 | if (name[0] == '.' && name[1] == 'L') | |
| 39 | return true; | |
| 40 | ||
| 41 | // At least some SVR4 compilers (e.g., UnixWare 2.1 cc) generate | |
| 42 | // DWARF debugging symbols starting with ``..''. | |
| 43 | if (name[0] == '.' && name[1] == '.') | |
| 44 | return true; | |
| 45 | ||
| 46 | // gcc will sometimes generate symbols beginning with ``_.L_'' when | |
| 47 | // emitting DWARF debugging output. I suspect this is actually a | |
| 48 | // small bug in gcc (it calls ASM_OUTPUT_LABEL when it should call | |
| 49 | // ASM_GENERATE_INTERNAL_LABEL, and this causes the leading | |
| 50 | // underscore to be emitted on some ELF targets). For ease of use, | |
| 51 | // we treat such symbols as local. | |
| 52 | if (name[0] == '_' && name[1] == '.' && name[2] == 'L' && name[3] == '_') | |
| 53 | return true; | |
| 54 | ||
| 55 | return false; | |
| 56 | } | |
| 57 | ||
| 58 | } // End namespace gold. |