X-Git-Url: https://oss.titaniummirror.com/gitweb?p=msp430-binutils.git;a=blobdiff_plain;f=gold%2Ftls.h;fp=gold%2Ftls.h;h=5b5cb6ea88c055330d93d2a8de40a27143b9de6a;hp=0000000000000000000000000000000000000000;hb=88750007d7869f178f0ba528f41efd3b74c424cf;hpb=6df9443a374e2b81278c61b8afc0a1eef7db280b diff --git a/gold/tls.h b/gold/tls.h new file mode 100644 index 0000000..5b5cb6e --- /dev/null +++ b/gold/tls.h @@ -0,0 +1,81 @@ +// tls.h -- Thread-Local Storage utility routines for gold -*- C++ -*- + +// Copyright 2006, 2007, 2008 Free Software Foundation, Inc. +// Written by Ian Lance Taylor . + +// 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. + +#ifndef GOLD_TLS_H +#define GOLD_TLS_H + +#include "elfcpp.h" +#include "reloc.h" + +namespace gold +{ + +namespace tls +{ + +// This is used for relocations that can be converted to a different, +// more efficient type of relocation. + +enum Tls_optimization +{ + TLSOPT_NONE, // Can not convert this relocation to a more efficient one. + TLSOPT_TO_LD, // Can convert General Dynamic to Local Dynamic. + TLSOPT_TO_LE, // Can convert GD or LD to Local-Exec. + TLSOPT_TO_IE, // Can convert GD or LD or LE to Initial-Exec. +}; + +// Check the range for a TLS relocation. This is inlined for efficiency. + +template +inline void +check_range(const Relocate_info* relinfo, + size_t relnum, + typename elfcpp::Elf_types::Elf_Addr rel_offset, + section_size_type view_size, int off) +{ + typename elfcpp::Elf_types::Elf_Addr offset = rel_offset + off; + // Elf_Addr is unsigned, so this also tests for signed offset < 0. + if (offset > view_size) + gold_error_at_location(relinfo, relnum, rel_offset, + _("TLS relocation out of range")); +} + +// Check the validity of a TLS relocation. This is like assert. + +template +inline void +check_tls(const Relocate_info* relinfo, + size_t relnum, + typename elfcpp::Elf_types::Elf_Addr rel_offset, + bool valid) +{ + if (!valid) + gold_error_at_location(relinfo, relnum, rel_offset, + _("TLS relocation against invalid instruction")); +} + + +} // End namespace tls. + +} // End namespace gold. + +#endif // !defined(GOLD_TLS_H)