Basic DWARF constants.

diff --git a/elfcpp/dwarf.h b/elfcpp/dwarf.h
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+++ b/elfcpp/dwarf.h
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+// dwarf.h -- DWARF2 constants  -*- C++ -*-
+
+// Copyright 2006, 2007, Free Software Foundation, Inc.
+// Written by Ian Lance Taylor <iant@google.com>.
+
+// This file is part of elfcpp.
+   
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Library General Public License
+// as published by the Free Software Foundation; either version 2, or
+// (at your option) any later version.
+
+// In addition to the permissions in the GNU Library General Public
+// License, the Free Software Foundation gives you unlimited
+// permission to link the compiled version of this file into
+// combinations with other programs, and to distribute those
+// combinations without any restriction coming from the use of this
+// file.  (The Library Public License restrictions do apply in other
+// respects; for example, they cover modification of the file, and
+/// distribution when not linked into a combined executable.)
+
+// 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
+// Library General Public License for more details.
+
+// You should have received a copy of the GNU Library 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 ELFCPP_DWARF_H
+#define ELFCPP_DWARF_H
+
+namespace elfcpp
+{
+
+// DWARF2 codes.
+
+enum DW_TAG
+{
+  DW_TAG_padding = 0x00,
+  DW_TAG_array_type = 0x01,
+  DW_TAG_class_type = 0x02,
+  DW_TAG_entry_point = 0x03,
+  DW_TAG_enumeration_type = 0x04,
+  DW_TAG_formal_parameter = 0x05,
+  DW_TAG_imported_declaration = 0x08,
+  DW_TAG_label = 0x0a,
+  DW_TAG_lexical_block = 0x0b,
+  DW_TAG_member = 0x0d,
+  DW_TAG_pointer_type = 0x0f,
+  DW_TAG_reference_type = 0x10,
+  DW_TAG_compile_unit = 0x11,
+  DW_TAG_string_type = 0x12,
+  DW_TAG_structure_type = 0x13,
+  DW_TAG_subroutine_type = 0x15,
+  DW_TAG_typedef = 0x16,
+  DW_TAG_union_type = 0x17,
+  DW_TAG_unspecified_parameters = 0x18,
+  DW_TAG_variant = 0x19,
+  DW_TAG_common_block = 0x1a,
+  DW_TAG_common_inclusion = 0x1b,
+  DW_TAG_inheritance = 0x1c,
+  DW_TAG_inlined_subroutine = 0x1d,
+  DW_TAG_module = 0x1e,
+  DW_TAG_ptr_to_member_type = 0x1f,
+  DW_TAG_set_type = 0x20,
+  DW_TAG_subrange_type = 0x21,
+  DW_TAG_with_stmt = 0x22,
+  DW_TAG_access_declaration = 0x23,
+  DW_TAG_base_type = 0x24,
+  DW_TAG_catch_block = 0x25,
+  DW_TAG_const_type = 0x26,
+  DW_TAG_constant = 0x27,
+  DW_TAG_enumerator = 0x28,
+  DW_TAG_file_type = 0x29,
+  DW_TAG_friend = 0x2a,
+  DW_TAG_namelist = 0x2b,
+  DW_TAG_namelist_item = 0x2c,
+  DW_TAG_packed_type = 0x2d,
+  DW_TAG_subprogram = 0x2e,
+  DW_TAG_template_type_param = 0x2f,
+  DW_TAG_template_value_param = 0x30,
+  DW_TAG_thrown_type = 0x31,
+  DW_TAG_try_block = 0x32,
+  DW_TAG_variant_part = 0x33,
+  DW_TAG_variable = 0x34,
+  DW_TAG_volatile_type = 0x35,
+
+  // DWARF3.
+  DW_TAG_dwarf_procedure = 0x36,
+  DW_TAG_restrict_type = 0x37,
+  DW_TAG_interface_type = 0x38,
+  DW_TAG_namespace = 0x39,
+  DW_TAG_imported_module = 0x3a,
+  DW_TAG_unspecified_type = 0x3b,
+  DW_TAG_partial_unit = 0x3c,
+  DW_TAG_imported_unit = 0x3d,
+  DW_TAG_condition = 0x3f,
+  DW_TAG_shared_type = 0x40,
+
+  // SGI/MIPS extensions.
+  DW_TAG_MIPS_loop = 0x4081,
+
+  // HP extensions.
+  // See: ftp://ftp.hp.com/pub/lang/tools/WDB/wdb-4.0.tar.gz.
+  DW_TAG_HP_array_descriptor = 0x4090,
+
+  // GNU extensions.
+  DW_TAG_format_label = 0x4101,                // For FORTRAN 77 and Fortran 90.
+  DW_TAG_function_template = 0x4102,   // For C++.
+  DW_TAG_class_template = 0x4103,      // For C++.
+  DW_TAG_GNU_BINCL = 0x4104,
+  DW_TAG_GNU_EINCL = 0x4105,
+
+  // Extensions for UPC.  See: http://upc.gwu.edu/~upc.
+  DW_TAG_upc_shared_type = 0x8765,
+  DW_TAG_upc_strict_type = 0x8766,
+  DW_TAG_upc_relaxed_type = 0x8767,
+
+  // PGI (STMicroelectronics) extensions.  No documentation available.
+  DW_TAG_PGI_kanji_type      = 0xA000,
+  DW_TAG_PGI_interface_block = 0xA020
+};
+
+// Frame unwind information.
+
+enum DW_EH_PE
+{
+  DW_EH_PE_absptr = 0x00,
+  DW_EH_PE_omit = 0xff,
+
+  DW_EH_PE_uleb128 = 0x01,
+  DW_EH_PE_udata2 = 0x02,
+  DW_EH_PE_udata4 = 0x03,
+  DW_EH_PE_udata8 = 0x04,
+  DW_EH_PE_signed = 0x08,
+  DW_EH_PE_sleb128 = 0x09,
+  DW_EH_PE_sdata2 = 0x0a,
+  DW_EH_PE_sdata4 = 0x0b,
+  DW_EH_PE_sdata8 = 0x0c,
+
+  DW_EH_PE_pcrel = 0x10,
+  DW_EH_PE_textrel = 0x20,
+  DW_EH_PE_datarel = 0x30,
+  DW_EH_PE_funcrel = 0x40,
+  DW_EH_PE_aligned = 0x50,
+
+  DW_EH_PE_indirect = 0x80
+};
+
+} // End namespace elfcpp.
+
+#endif // !defined(ELFCPP_DWARF_H)