Squashed 'third_party/elfutils/' content from commit 555e15e

Change-Id: I61cde98949e47e5c8c09c33260de17f30921be79
git-subtree-dir: third_party/elfutils
git-subtree-split: 555e15ebe8bf1eb33d00747173cfc80cc65648a4
diff --git a/libdw/dwarf.h b/libdw/dwarf.h
new file mode 100644
index 0000000..8edf719
--- /dev/null
+++ b/libdw/dwarf.h
@@ -0,0 +1,911 @@
+/* This file defines standard DWARF types, structures, and macros.
+   Copyright (C) 2000-2011, 2014, 2016, 2017 Red Hat, Inc.
+   This file is part of elfutils.
+
+   This file is free software; you can redistribute it and/or modify
+   it under the terms of either
+
+     * the GNU Lesser General Public License as published by the Free
+       Software Foundation; either version 3 of the License, or (at
+       your option) any later version
+
+   or
+
+     * the GNU General Public License as published by the Free
+       Software Foundation; either version 2 of the License, or (at
+       your option) any later version
+
+   or both in parallel, as here.
+
+   elfutils 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 copies of the GNU General Public License and
+   the GNU Lesser General Public License along with this program.  If
+   not, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef _DWARF_H
+#define	_DWARF_H 1
+
+/* DWARF tags.  */
+enum
+  {
+    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,
+    /* 0x06 reserved.  */
+    /* 0x07 reserved.  */
+    DW_TAG_imported_declaration = 0x08,
+    /* 0x09 reserved.  */
+    DW_TAG_label = 0x0a,
+    DW_TAG_lexical_block = 0x0b,
+    /* 0x0c reserved.  */
+    DW_TAG_member = 0x0d,
+    /* 0x0e reserved.  */
+    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,
+    /* 0x14 reserved.  */
+    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_parameter = 0x2f,
+    DW_TAG_template_value_parameter = 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,
+    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,
+    /* 0x3e reserved.  Was DW_TAG_mutable_type.  */
+    DW_TAG_condition = 0x3f,
+    DW_TAG_shared_type = 0x40,
+    DW_TAG_type_unit = 0x41,
+    DW_TAG_rvalue_reference_type = 0x42,
+    DW_TAG_template_alias = 0x43,
+    DW_TAG_coarray_type = 0x44,
+    DW_TAG_generic_subrange = 0x45,
+    DW_TAG_dynamic_type = 0x46,
+    DW_TAG_atomic_type = 0x47,
+    DW_TAG_call_site = 0x48,
+    DW_TAG_call_site_parameter = 0x49,
+    DW_TAG_skeleton_unit = 0x4a,
+    DW_TAG_immutable_type = 0x4b,
+
+    DW_TAG_lo_user = 0x4080,
+
+    DW_TAG_MIPS_loop = 0x4081,
+    DW_TAG_format_label = 0x4101,
+    DW_TAG_function_template = 0x4102,
+    DW_TAG_class_template = 0x4103,
+
+    DW_TAG_GNU_BINCL = 0x4104,
+    DW_TAG_GNU_EINCL = 0x4105,
+
+    DW_TAG_GNU_template_template_param = 0x4106,
+    DW_TAG_GNU_template_parameter_pack = 0x4107,
+    DW_TAG_GNU_formal_parameter_pack = 0x4108,
+    DW_TAG_GNU_call_site = 0x4109,
+    DW_TAG_GNU_call_site_parameter = 0x410a,
+
+    DW_TAG_hi_user = 0xffff
+  };
+
+
+/* Children determination encodings.  */
+enum
+  {
+    DW_CHILDREN_no = 0,
+    DW_CHILDREN_yes = 1
+  };
+
+
+/* DWARF attributes encodings.  */
+enum
+  {
+    DW_AT_sibling = 0x01,
+    DW_AT_location = 0x02,
+    DW_AT_name = 0x03,
+    /* 0x04 reserved.  */
+    /* 0x05 reserved.  */
+    /* 0x06 reserved.  */
+    /* 0x07 reserved.  */
+    /* 0x08 reserved.  */
+    DW_AT_ordering = 0x09,
+    /* 0x0a reserved.  */
+    DW_AT_byte_size = 0x0b,
+    DW_AT_bit_offset = 0x0c,  /* Deprecated in DWARF4.  */
+    DW_AT_bit_size = 0x0d,
+    /* 0x0e reserved.  */
+    /* 0x0f reserved.  */
+    DW_AT_stmt_list = 0x10,
+    DW_AT_low_pc = 0x11,
+    DW_AT_high_pc = 0x12,
+    DW_AT_language = 0x13,
+    /* 0x14 reserved.  */
+    DW_AT_discr = 0x15,
+    DW_AT_discr_value = 0x16,
+    DW_AT_visibility = 0x17,
+    DW_AT_import = 0x18,
+    DW_AT_string_length = 0x19,
+    DW_AT_common_reference = 0x1a,
+    DW_AT_comp_dir = 0x1b,
+    DW_AT_const_value = 0x1c,
+    DW_AT_containing_type = 0x1d,
+    DW_AT_default_value = 0x1e,
+    /* 0x1f reserved.  */
+    DW_AT_inline = 0x20,
+    DW_AT_is_optional = 0x21,
+    DW_AT_lower_bound = 0x22,
+    /* 0x23 reserved.  */
+    /* 0x24 reserved.  */
+    DW_AT_producer = 0x25,
+    /* 0x26 reserved.  */
+    DW_AT_prototyped = 0x27,
+    /* 0x28 reserved.  */
+    /* 0x29 reserved.  */
+    DW_AT_return_addr = 0x2a,
+    /* 0x2b reserved.  */
+    DW_AT_start_scope = 0x2c,
+    /* 0x2d reserved.  */
+    DW_AT_bit_stride = 0x2e,
+    DW_AT_upper_bound = 0x2f,
+    /* 0x30 reserved.  */
+    DW_AT_abstract_origin = 0x31,
+    DW_AT_accessibility = 0x32,
+    DW_AT_address_class = 0x33,
+    DW_AT_artificial = 0x34,
+    DW_AT_base_types = 0x35,
+    DW_AT_calling_convention = 0x36,
+    DW_AT_count = 0x37,
+    DW_AT_data_member_location = 0x38,
+    DW_AT_decl_column = 0x39,
+    DW_AT_decl_file = 0x3a,
+    DW_AT_decl_line = 0x3b,
+    DW_AT_declaration = 0x3c,
+    DW_AT_discr_list = 0x3d,
+    DW_AT_encoding = 0x3e,
+    DW_AT_external = 0x3f,
+    DW_AT_frame_base = 0x40,
+    DW_AT_friend = 0x41,
+    DW_AT_identifier_case = 0x42,
+    DW_AT_macro_info = 0x43, /* Deprecated in DWARF5.  */
+    DW_AT_namelist_item = 0x44,
+    DW_AT_priority = 0x45,
+    DW_AT_segment = 0x46,
+    DW_AT_specification = 0x47,
+    DW_AT_static_link = 0x48,
+    DW_AT_type = 0x49,
+    DW_AT_use_location = 0x4a,
+    DW_AT_variable_parameter = 0x4b,
+    DW_AT_virtuality = 0x4c,
+    DW_AT_vtable_elem_location = 0x4d,
+    DW_AT_allocated = 0x4e,
+    DW_AT_associated = 0x4f,
+    DW_AT_data_location = 0x50,
+    DW_AT_byte_stride = 0x51,
+    DW_AT_entry_pc = 0x52,
+    DW_AT_use_UTF8 = 0x53,
+    DW_AT_extension = 0x54,
+    DW_AT_ranges = 0x55,
+    DW_AT_trampoline = 0x56,
+    DW_AT_call_column = 0x57,
+    DW_AT_call_file = 0x58,
+    DW_AT_call_line = 0x59,
+    DW_AT_description = 0x5a,
+    DW_AT_binary_scale = 0x5b,
+    DW_AT_decimal_scale = 0x5c,
+    DW_AT_small = 0x5d,
+    DW_AT_decimal_sign = 0x5e,
+    DW_AT_digit_count = 0x5f,
+    DW_AT_picture_string = 0x60,
+    DW_AT_mutable = 0x61,
+    DW_AT_threads_scaled = 0x62,
+    DW_AT_explicit = 0x63,
+    DW_AT_object_pointer = 0x64,
+    DW_AT_endianity = 0x65,
+    DW_AT_elemental = 0x66,
+    DW_AT_pure = 0x67,
+    DW_AT_recursive = 0x68,
+    DW_AT_signature = 0x69,
+    DW_AT_main_subprogram = 0x6a,
+    DW_AT_data_bit_offset = 0x6b,
+    DW_AT_const_expr = 0x6c,
+    DW_AT_enum_class = 0x6d,
+    DW_AT_linkage_name = 0x6e,
+    DW_AT_string_length_bit_size = 0x6f,
+    DW_AT_string_length_byte_size = 0x70,
+    DW_AT_rank = 0x71,
+    DW_AT_str_offsets_base = 0x72,
+    DW_AT_addr_base = 0x73,
+    DW_AT_rnglists_base = 0x74,
+    /* 0x75 reserved.  */
+    DW_AT_dwo_name = 0x76,
+    DW_AT_reference = 0x77,
+    DW_AT_rvalue_reference = 0x78,
+    DW_AT_macros = 0x79,
+    DW_AT_call_all_calls = 0x7a,
+    DW_AT_call_all_source_calls = 0x7b,
+    DW_AT_call_all_tail_calls = 0x7c,
+    DW_AT_call_return_pc = 0x7d,
+    DW_AT_call_value = 0x7e,
+    DW_AT_call_origin = 0x7f,
+    DW_AT_call_parameter = 0x80,
+    DW_AT_call_pc = 0x81,
+    DW_AT_call_tail_call = 0x82,
+    DW_AT_call_target = 0x83,
+    DW_AT_call_target_clobbered = 0x84,
+    DW_AT_call_data_location = 0x85,
+    DW_AT_call_data_value = 0x86,
+    DW_AT_noreturn = 0x87,
+    DW_AT_alignment = 0x88,
+    DW_AT_export_symbols = 0x89,
+    DW_AT_deleted = 0x8a,
+    DW_AT_defaulted = 0x8b,
+    DW_AT_loclists_base = 0x8c,
+
+    DW_AT_lo_user = 0x2000,
+
+    DW_AT_MIPS_fde = 0x2001,
+    DW_AT_MIPS_loop_begin = 0x2002,
+    DW_AT_MIPS_tail_loop_begin = 0x2003,
+    DW_AT_MIPS_epilog_begin = 0x2004,
+    DW_AT_MIPS_loop_unroll_factor = 0x2005,
+    DW_AT_MIPS_software_pipeline_depth = 0x2006,
+    DW_AT_MIPS_linkage_name = 0x2007,
+    DW_AT_MIPS_stride = 0x2008,
+    DW_AT_MIPS_abstract_name = 0x2009,
+    DW_AT_MIPS_clone_origin = 0x200a,
+    DW_AT_MIPS_has_inlines = 0x200b,
+    DW_AT_MIPS_stride_byte = 0x200c,
+    DW_AT_MIPS_stride_elem = 0x200d,
+    DW_AT_MIPS_ptr_dopetype = 0x200e,
+    DW_AT_MIPS_allocatable_dopetype = 0x200f,
+    DW_AT_MIPS_assumed_shape_dopetype = 0x2010,
+    DW_AT_MIPS_assumed_size = 0x2011,
+
+    /* GNU extensions.  */
+    DW_AT_sf_names = 0x2101,
+    DW_AT_src_info = 0x2102,
+    DW_AT_mac_info = 0x2103,
+    DW_AT_src_coords = 0x2104,
+    DW_AT_body_begin = 0x2105,
+    DW_AT_body_end = 0x2106,
+    DW_AT_GNU_vector = 0x2107,
+    DW_AT_GNU_guarded_by = 0x2108,
+    DW_AT_GNU_pt_guarded_by = 0x2109,
+    DW_AT_GNU_guarded = 0x210a,
+    DW_AT_GNU_pt_guarded = 0x210b,
+    DW_AT_GNU_locks_excluded = 0x210c,
+    DW_AT_GNU_exclusive_locks_required = 0x210d,
+    DW_AT_GNU_shared_locks_required = 0x210e,
+    DW_AT_GNU_odr_signature = 0x210f,
+    DW_AT_GNU_template_name = 0x2110,
+    DW_AT_GNU_call_site_value = 0x2111,
+    DW_AT_GNU_call_site_data_value = 0x2112,
+    DW_AT_GNU_call_site_target = 0x2113,
+    DW_AT_GNU_call_site_target_clobbered = 0x2114,
+    DW_AT_GNU_tail_call = 0x2115,
+    DW_AT_GNU_all_tail_call_sites = 0x2116,
+    DW_AT_GNU_all_call_sites = 0x2117,
+    DW_AT_GNU_all_source_call_sites = 0x2118,
+    DW_AT_GNU_macros = 0x2119,
+    DW_AT_GNU_deleted = 0x211a,
+
+    DW_AT_hi_user = 0x3fff
+  };
+
+/* Old unofficially attribute names.  Should not be used.
+   Will not appear in known-dwarf.h  */
+
+/* DWARF1 array subscripts and element data types.  */
+#define DW_AT_subscr_data	0x0a
+/* DWARF1 enumeration literals.  */
+#define DW_AT_element_list	0x0f
+/* DWARF1 reference for variable to member structure, class or union.  */
+#define DW_AT_member		0x14
+
+/* DWARF form encodings.  */
+enum
+  {
+    DW_FORM_addr = 0x01,
+    DW_FORM_block2 = 0x03,
+    DW_FORM_block4 = 0x04,
+    DW_FORM_data2 = 0x05,
+    DW_FORM_data4 = 0x06,
+    DW_FORM_data8 = 0x07,
+    DW_FORM_string = 0x08,
+    DW_FORM_block = 0x09,
+    DW_FORM_block1 = 0x0a,
+    DW_FORM_data1 = 0x0b,
+    DW_FORM_flag = 0x0c,
+    DW_FORM_sdata = 0x0d,
+    DW_FORM_strp = 0x0e,
+    DW_FORM_udata = 0x0f,
+    DW_FORM_ref_addr = 0x10,
+    DW_FORM_ref1 = 0x11,
+    DW_FORM_ref2 = 0x12,
+    DW_FORM_ref4 = 0x13,
+    DW_FORM_ref8 = 0x14,
+    DW_FORM_ref_udata = 0x15,
+    DW_FORM_indirect = 0x16,
+    DW_FORM_sec_offset = 0x17,
+    DW_FORM_exprloc = 0x18,
+    DW_FORM_flag_present = 0x19,
+    DW_FORM_ref_sig8 = 0x20,
+
+    DW_FORM_GNU_ref_alt = 0x1f20, /* offset in alternate .debuginfo.  */
+    DW_FORM_GNU_strp_alt = 0x1f21 /* offset in alternate .debug_str. */
+  };
+
+
+/* DWARF location operation encodings.  */
+enum
+  {
+    DW_OP_addr = 0x03,		/* Constant address.  */
+    DW_OP_deref = 0x06,
+    DW_OP_const1u = 0x08,	/* Unsigned 1-byte constant.  */
+    DW_OP_const1s = 0x09,	/* Signed 1-byte constant.  */
+    DW_OP_const2u = 0x0a,	/* Unsigned 2-byte constant.  */
+    DW_OP_const2s = 0x0b,	/* Signed 2-byte constant.  */
+    DW_OP_const4u = 0x0c,	/* Unsigned 4-byte constant.  */
+    DW_OP_const4s = 0x0d,	/* Signed 4-byte constant.  */
+    DW_OP_const8u = 0x0e,	/* Unsigned 8-byte constant.  */
+    DW_OP_const8s = 0x0f,	/* Signed 8-byte constant.  */
+    DW_OP_constu = 0x10,	/* Unsigned LEB128 constant.  */
+    DW_OP_consts = 0x11,	/* Signed LEB128 constant.  */
+    DW_OP_dup = 0x12,
+    DW_OP_drop = 0x13,
+    DW_OP_over = 0x14,
+    DW_OP_pick = 0x15,		/* 1-byte stack index.  */
+    DW_OP_swap = 0x16,
+    DW_OP_rot = 0x17,
+    DW_OP_xderef = 0x18,
+    DW_OP_abs = 0x19,
+    DW_OP_and = 0x1a,
+    DW_OP_div = 0x1b,
+    DW_OP_minus = 0x1c,
+    DW_OP_mod = 0x1d,
+    DW_OP_mul = 0x1e,
+    DW_OP_neg = 0x1f,
+    DW_OP_not = 0x20,
+    DW_OP_or = 0x21,
+    DW_OP_plus = 0x22,
+    DW_OP_plus_uconst = 0x23,	/* Unsigned LEB128 addend.  */
+    DW_OP_shl = 0x24,
+    DW_OP_shr = 0x25,
+    DW_OP_shra = 0x26,
+    DW_OP_xor = 0x27,
+    DW_OP_bra = 0x28,		/* Signed 2-byte constant.  */
+    DW_OP_eq = 0x29,
+    DW_OP_ge = 0x2a,
+    DW_OP_gt = 0x2b,
+    DW_OP_le = 0x2c,
+    DW_OP_lt = 0x2d,
+    DW_OP_ne = 0x2e,
+    DW_OP_skip = 0x2f,		/* Signed 2-byte constant.  */
+    DW_OP_lit0 = 0x30,		/* Literal 0.  */
+    DW_OP_lit1 = 0x31,		/* Literal 1.  */
+    DW_OP_lit2 = 0x32,		/* Literal 2.  */
+    DW_OP_lit3 = 0x33,		/* Literal 3.  */
+    DW_OP_lit4 = 0x34,		/* Literal 4.  */
+    DW_OP_lit5 = 0x35,		/* Literal 5.  */
+    DW_OP_lit6 = 0x36,		/* Literal 6.  */
+    DW_OP_lit7 = 0x37,		/* Literal 7.  */
+    DW_OP_lit8 = 0x38,		/* Literal 8.  */
+    DW_OP_lit9 = 0x39,		/* Literal 9.  */
+    DW_OP_lit10 = 0x3a,		/* Literal 10.  */
+    DW_OP_lit11 = 0x3b,		/* Literal 11.  */
+    DW_OP_lit12 = 0x3c,		/* Literal 12.  */
+    DW_OP_lit13 = 0x3d,		/* Literal 13.  */
+    DW_OP_lit14 = 0x3e,		/* Literal 14.  */
+    DW_OP_lit15 = 0x3f,		/* Literal 15.  */
+    DW_OP_lit16 = 0x40,		/* Literal 16.  */
+    DW_OP_lit17 = 0x41,		/* Literal 17.  */
+    DW_OP_lit18 = 0x42,		/* Literal 18.  */
+    DW_OP_lit19 = 0x43,		/* Literal 19.  */
+    DW_OP_lit20 = 0x44,		/* Literal 20.  */
+    DW_OP_lit21 = 0x45,		/* Literal 21.  */
+    DW_OP_lit22 = 0x46,		/* Literal 22.  */
+    DW_OP_lit23 = 0x47,		/* Literal 23.  */
+    DW_OP_lit24 = 0x48,		/* Literal 24.  */
+    DW_OP_lit25 = 0x49,		/* Literal 25.  */
+    DW_OP_lit26 = 0x4a,		/* Literal 26.  */
+    DW_OP_lit27 = 0x4b,		/* Literal 27.  */
+    DW_OP_lit28 = 0x4c,		/* Literal 28.  */
+    DW_OP_lit29 = 0x4d,		/* Literal 29.  */
+    DW_OP_lit30 = 0x4e,		/* Literal 30.  */
+    DW_OP_lit31 = 0x4f,		/* Literal 31.  */
+    DW_OP_reg0 = 0x50,		/* Register 0.  */
+    DW_OP_reg1 = 0x51,		/* Register 1.  */
+    DW_OP_reg2 = 0x52,		/* Register 2.  */
+    DW_OP_reg3 = 0x53,		/* Register 3.  */
+    DW_OP_reg4 = 0x54,		/* Register 4.  */
+    DW_OP_reg5 = 0x55,		/* Register 5.  */
+    DW_OP_reg6 = 0x56,		/* Register 6.  */
+    DW_OP_reg7 = 0x57,		/* Register 7.  */
+    DW_OP_reg8 = 0x58,		/* Register 8.  */
+    DW_OP_reg9 = 0x59,		/* Register 9.  */
+    DW_OP_reg10 = 0x5a,		/* Register 10.  */
+    DW_OP_reg11 = 0x5b,		/* Register 11.  */
+    DW_OP_reg12 = 0x5c,		/* Register 12.  */
+    DW_OP_reg13 = 0x5d,		/* Register 13.  */
+    DW_OP_reg14 = 0x5e,		/* Register 14.  */
+    DW_OP_reg15 = 0x5f,		/* Register 15.  */
+    DW_OP_reg16 = 0x60,		/* Register 16.  */
+    DW_OP_reg17 = 0x61,		/* Register 17.  */
+    DW_OP_reg18 = 0x62,		/* Register 18.  */
+    DW_OP_reg19 = 0x63,		/* Register 19.  */
+    DW_OP_reg20 = 0x64,		/* Register 20.  */
+    DW_OP_reg21 = 0x65,		/* Register 21.  */
+    DW_OP_reg22 = 0x66,		/* Register 22.  */
+    DW_OP_reg23 = 0x67,		/* Register 24.  */
+    DW_OP_reg24 = 0x68,		/* Register 24.  */
+    DW_OP_reg25 = 0x69,		/* Register 25.  */
+    DW_OP_reg26 = 0x6a,		/* Register 26.  */
+    DW_OP_reg27 = 0x6b,		/* Register 27.  */
+    DW_OP_reg28 = 0x6c,		/* Register 28.  */
+    DW_OP_reg29 = 0x6d,		/* Register 29.  */
+    DW_OP_reg30 = 0x6e,		/* Register 30.  */
+    DW_OP_reg31 = 0x6f,		/* Register 31.  */
+    DW_OP_breg0 = 0x70,		/* Base register 0.  */
+    DW_OP_breg1 = 0x71,		/* Base register 1.  */
+    DW_OP_breg2 = 0x72,		/* Base register 2.  */
+    DW_OP_breg3 = 0x73,		/* Base register 3.  */
+    DW_OP_breg4 = 0x74,		/* Base register 4.  */
+    DW_OP_breg5 = 0x75,		/* Base register 5.  */
+    DW_OP_breg6 = 0x76,		/* Base register 6.  */
+    DW_OP_breg7 = 0x77,		/* Base register 7.  */
+    DW_OP_breg8 = 0x78,		/* Base register 8.  */
+    DW_OP_breg9 = 0x79,		/* Base register 9.  */
+    DW_OP_breg10 = 0x7a,	/* Base register 10.  */
+    DW_OP_breg11 = 0x7b,	/* Base register 11.  */
+    DW_OP_breg12 = 0x7c,	/* Base register 12.  */
+    DW_OP_breg13 = 0x7d,	/* Base register 13.  */
+    DW_OP_breg14 = 0x7e,	/* Base register 14.  */
+    DW_OP_breg15 = 0x7f,	/* Base register 15.  */
+    DW_OP_breg16 = 0x80,	/* Base register 16.  */
+    DW_OP_breg17 = 0x81,	/* Base register 17.  */
+    DW_OP_breg18 = 0x82,	/* Base register 18.  */
+    DW_OP_breg19 = 0x83,	/* Base register 19.  */
+    DW_OP_breg20 = 0x84,	/* Base register 20.  */
+    DW_OP_breg21 = 0x85,	/* Base register 21.  */
+    DW_OP_breg22 = 0x86,	/* Base register 22.  */
+    DW_OP_breg23 = 0x87,	/* Base register 23.  */
+    DW_OP_breg24 = 0x88,	/* Base register 24.  */
+    DW_OP_breg25 = 0x89,	/* Base register 25.  */
+    DW_OP_breg26 = 0x8a,	/* Base register 26.  */
+    DW_OP_breg27 = 0x8b,	/* Base register 27.  */
+    DW_OP_breg28 = 0x8c,	/* Base register 28.  */
+    DW_OP_breg29 = 0x8d,	/* Base register 29.  */
+    DW_OP_breg30 = 0x8e,	/* Base register 30.  */
+    DW_OP_breg31 = 0x8f,	/* Base register 31.  */
+    DW_OP_regx = 0x90,		/* Unsigned LEB128 register.  */
+    DW_OP_fbreg = 0x91,		/* Signed LEB128 offset.  */
+    DW_OP_bregx = 0x92,		/* ULEB128 register followed by SLEB128 off. */
+    DW_OP_piece = 0x93,		/* ULEB128 size of piece addressed. */
+    DW_OP_deref_size = 0x94,	/* 1-byte size of data retrieved.  */
+    DW_OP_xderef_size = 0x95,	/* 1-byte size of data retrieved.  */
+    DW_OP_nop = 0x96,
+    DW_OP_push_object_address = 0x97,
+    DW_OP_call2 = 0x98,
+    DW_OP_call4 = 0x99,
+    DW_OP_call_ref = 0x9a,
+    DW_OP_form_tls_address = 0x9b,/* TLS offset to address in current thread */
+    DW_OP_call_frame_cfa = 0x9c,/* CFA as determined by CFI.  */
+    DW_OP_bit_piece = 0x9d,	/* ULEB128 size and ULEB128 offset in bits.  */
+    DW_OP_implicit_value = 0x9e, /* DW_FORM_block follows opcode.  */
+    DW_OP_stack_value = 0x9f,	 /* No operands, special like DW_OP_piece.  */
+
+    /* GNU extensions.  */
+    DW_OP_GNU_push_tls_address = 0xe0,
+    DW_OP_GNU_uninit = 0xf0,
+    DW_OP_GNU_encoded_addr = 0xf1,
+    DW_OP_GNU_implicit_pointer = 0xf2,
+    DW_OP_GNU_entry_value = 0xf3,
+    DW_OP_GNU_const_type = 0xf4,
+    DW_OP_GNU_regval_type = 0xf5,
+    DW_OP_GNU_deref_type = 0xf6,
+    DW_OP_GNU_convert = 0xf7,
+    DW_OP_GNU_reinterpret = 0xf9,
+    DW_OP_GNU_parameter_ref = 0xfa,
+    DW_OP_GNU_variable_value = 0xfd,
+
+    DW_OP_lo_user = 0xe0,	/* Implementation-defined range start.  */
+    DW_OP_hi_user = 0xff	/* Implementation-defined range end.  */
+  };
+
+
+/* DWARF base type encodings.  */
+enum
+  {
+    DW_ATE_void = 0x0,
+    DW_ATE_address = 0x1,
+    DW_ATE_boolean = 0x2,
+    DW_ATE_complex_float = 0x3,
+    DW_ATE_float = 0x4,
+    DW_ATE_signed = 0x5,
+    DW_ATE_signed_char = 0x6,
+    DW_ATE_unsigned = 0x7,
+    DW_ATE_unsigned_char = 0x8,
+    DW_ATE_imaginary_float = 0x9,
+    DW_ATE_packed_decimal = 0xa,
+    DW_ATE_numeric_string = 0xb,
+    DW_ATE_edited = 0xc,
+    DW_ATE_signed_fixed = 0xd,
+    DW_ATE_unsigned_fixed = 0xe,
+    DW_ATE_decimal_float = 0xf,
+    DW_ATE_UTF = 0x10,
+    DW_ATE_UCS = 0x11,
+    DW_ATE_ASCII = 0x12,
+
+    DW_ATE_lo_user = 0x80,
+    DW_ATE_hi_user = 0xff
+  };
+
+
+/* DWARF decimal sign encodings.  */
+enum
+  {
+    DW_DS_unsigned = 1,
+    DW_DS_leading_overpunch = 2,
+    DW_DS_trailing_overpunch = 3,
+    DW_DS_leading_separate = 4,
+    DW_DS_trailing_separate = 5,
+  };
+
+
+/* DWARF endianity encodings.  */
+enum
+  {
+    DW_END_default = 0,
+    DW_END_big = 1,
+    DW_END_little = 2,
+
+    DW_END_lo_user = 0x40,
+    DW_END_hi_user = 0xff
+  };
+
+
+/* DWARF accessibility encodings.  */
+enum
+  {
+    DW_ACCESS_public = 1,
+    DW_ACCESS_protected = 2,
+    DW_ACCESS_private = 3
+  };
+
+
+/* DWARF visibility encodings.  */
+enum
+  {
+    DW_VIS_local = 1,
+    DW_VIS_exported = 2,
+    DW_VIS_qualified = 3
+  };
+
+
+/* DWARF virtuality encodings.  */
+enum
+  {
+    DW_VIRTUALITY_none = 0,
+    DW_VIRTUALITY_virtual = 1,
+    DW_VIRTUALITY_pure_virtual = 2
+  };
+
+
+/* DWARF language encodings.  */
+enum
+  {
+    DW_LANG_C89 = 0x0001,	     /* ISO C:1989 */
+    DW_LANG_C = 0x0002,		     /* C */
+    DW_LANG_Ada83 = 0x0003,	     /* ISO Ada:1983 */
+    DW_LANG_C_plus_plus	= 0x0004,    /* ISO C++:1998 */
+    DW_LANG_Cobol74 = 0x0005,	     /* ISO Cobol:1974 */
+    DW_LANG_Cobol85 = 0x0006,	     /* ISO Cobol:1985 */
+    DW_LANG_Fortran77 = 0x0007,	     /* ISO FORTRAN 77 */
+    DW_LANG_Fortran90 = 0x0008,	     /* ISO Fortran 90 */
+    DW_LANG_Pascal83 = 0x0009,	     /* ISO Pascal:1983 */
+    DW_LANG_Modula2 = 0x000a,	     /* ISO Modula-2:1996 */
+    DW_LANG_Java = 0x000b,	     /* Java */
+    DW_LANG_C99 = 0x000c,	     /* ISO C:1999 */
+    DW_LANG_Ada95 = 0x000d,	     /* ISO Ada:1995 */
+    DW_LANG_Fortran95 = 0x000e,	     /* ISO Fortran 95 */
+    DW_LANG_PLI = 0x000f,	     /* ISO PL/1:1976 */
+    DW_LANG_ObjC = 0x0010,	     /* Objective-C */
+    DW_LANG_ObjC_plus_plus = 0x0011, /* Objective-C++ */
+    DW_LANG_UPC = 0x0012,	     /* Unified Parallel C */
+    DW_LANG_D = 0x0013,		     /* D */
+    DW_LANG_Python = 0x0014,	     /* Python */
+    DW_LANG_OpenCL = 0x0015,	     /* OpenCL */
+    DW_LANG_Go = 0x0016,	     /* Go */
+    DW_LANG_Modula3 = 0x0017,	     /* Modula-3 */
+    DW_LANG_Haskell = 0x0018,	     /* Haskell */
+    DW_LANG_C_plus_plus_03 = 0x0019, /* ISO C++:2003 */
+    DW_LANG_C_plus_plus_11 = 0x001a, /* ISO C++:2011 */
+    DW_LANG_OCaml = 0x001b,	     /* OCaml */
+    DW_LANG_Rust = 0x001c,	     /* Rust */
+    DW_LANG_C11 = 0x001d,	     /* ISO C:2011 */
+    DW_LANG_Swift = 0x001e,	     /* Swift */
+    DW_LANG_Julia = 0x001f,	     /* Julia */
+    DW_LANG_Dylan = 0x0020,	     /* Dylan */
+    DW_LANG_C_plus_plus_14 = 0x0021, /* ISO C++:2014 */
+    DW_LANG_Fortran03 = 0x0022,	     /* ISO/IEC 1539-1:2004 */
+    DW_LANG_Fortran08 = 0x0023,	     /* ISO/IEC 1539-1:2010 */
+    DW_LANG_RenderScript = 0x0024,   /* RenderScript Kernal Language */
+    DW_LANG_BLISS = 0x0025,	     /* BLISS */
+
+    DW_LANG_lo_user = 0x8000,
+    DW_LANG_Mips_Assembler = 0x8001, /* Assembler */
+    DW_LANG_hi_user = 0xffff
+  };
+
+/* Old (typo) '1' != 'I'.  */
+#define DW_LANG_PL1 DW_LANG_PLI
+
+/* DWARF identifier case encodings.  */
+enum
+  {
+    DW_ID_case_sensitive = 0,
+    DW_ID_up_case = 1,
+    DW_ID_down_case = 2,
+    DW_ID_case_insensitive = 3
+  };
+
+
+/* DWARF calling conventions encodings.
+   Used as values of DW_AT_calling_convention for subroutines
+   (normal, program or nocall) or structures, unions and class types
+   (normal, reference or value).  */
+enum
+  {
+    DW_CC_normal = 0x1,
+    DW_CC_program = 0x2,
+    DW_CC_nocall = 0x3,
+    DW_CC_pass_by_reference = 0x4,
+    DW_CC_pass_by_value = 0x5,
+    DW_CC_lo_user = 0x40,
+    DW_CC_hi_user = 0xff
+  };
+
+
+/* DWARF inline encodings.  */
+enum
+  {
+    DW_INL_not_inlined = 0,
+    DW_INL_inlined = 1,
+    DW_INL_declared_not_inlined = 2,
+    DW_INL_declared_inlined = 3
+  };
+
+
+/* DWARF ordering encodings.  */
+enum
+  {
+    DW_ORD_row_major = 0,
+    DW_ORD_col_major = 1
+  };
+
+
+/* DWARF discriminant descriptor encodings.  */
+enum
+  {
+    DW_DSC_label = 0,
+    DW_DSC_range = 1
+  };
+
+/* DWARF defaulted member function encodings.  */
+enum
+  {
+    DW_DEFAULTED_no = 0,
+    DW_DEFAULTED_in_class = 1,
+    DW_DEFAULTED_out_of_class = 2
+  };
+
+
+/* DWARF standard opcode encodings.  */
+enum
+  {
+    DW_LNS_copy = 1,
+    DW_LNS_advance_pc = 2,
+    DW_LNS_advance_line = 3,
+    DW_LNS_set_file = 4,
+    DW_LNS_set_column = 5,
+    DW_LNS_negate_stmt = 6,
+    DW_LNS_set_basic_block = 7,
+    DW_LNS_const_add_pc = 8,
+    DW_LNS_fixed_advance_pc = 9,
+    DW_LNS_set_prologue_end = 10,
+    DW_LNS_set_epilogue_begin = 11,
+    DW_LNS_set_isa = 12
+  };
+
+
+/* DWARF extended opcode encodings.  */
+enum
+  {
+    DW_LNE_end_sequence = 1,
+    DW_LNE_set_address = 2,
+    DW_LNE_define_file = 3,
+    DW_LNE_set_discriminator = 4,
+
+    DW_LNE_lo_user = 128,
+    DW_LNE_hi_user = 255
+  };
+
+
+/* DWARF macinfo type encodings.  */
+enum
+  {
+    DW_MACINFO_define = 1,
+    DW_MACINFO_undef = 2,
+    DW_MACINFO_start_file = 3,
+    DW_MACINFO_end_file = 4,
+    DW_MACINFO_vendor_ext = 255
+  };
+
+
+/* DWARF debug_macro type encodings.  */
+enum
+  {
+    DW_MACRO_define = 0x01,
+    DW_MACRO_undef = 0x02,
+    DW_MACRO_start_file = 0x03,
+    DW_MACRO_end_file = 0x04,
+    DW_MACRO_define_strp = 0x05,
+    DW_MACRO_undef_strp = 0x06,
+    DW_MACRO_import = 0x07,
+    DW_MACRO_define_sup = 0x08,
+    DW_MACRO_undef_sup = 0x09,
+    DW_MACRO_import_sup = 0x0a,
+    DW_MACRO_define_strx = 0x0b,
+    DW_MACRO_undef_strx = 0x0c,
+    DW_MACRO_lo_user = 0xe0,
+    DW_MACRO_hi_user = 0xff
+  };
+
+/* Old GNU extension names for DWARF5 debug_macro type encodings.
+   There are no equivalents for the supplementary object file (sup)
+   and indirect string references (strx).  */
+#define DW_MACRO_GNU_define		 DW_MACRO_define
+#define DW_MACRO_GNU_undef		 DW_MACRO_undef
+#define DW_MACRO_GNU_start_file		 DW_MACRO_start_file
+#define DW_MACRO_GNU_end_file		 DW_MACRO_end_file
+#define DW_MACRO_GNU_define_indirect	 DW_MACRO_define_strp
+#define DW_MACRO_GNU_undef_indirect	 DW_MACRO_undef_strp
+#define DW_MACRO_GNU_transparent_include DW_MACRO_import
+#define DW_MACRO_GNU_lo_user		 DW_MACRO_lo_user
+#define DW_MACRO_GNU_hi_user		 DW_MACRO_hi_user
+
+
+/* DWARF call frame instruction encodings.  */
+enum
+  {
+    DW_CFA_advance_loc = 0x40,
+    DW_CFA_offset = 0x80,
+    DW_CFA_restore = 0xc0,
+    DW_CFA_extended = 0,
+
+    DW_CFA_nop = 0x00,
+    DW_CFA_set_loc = 0x01,
+    DW_CFA_advance_loc1 = 0x02,
+    DW_CFA_advance_loc2 = 0x03,
+    DW_CFA_advance_loc4 = 0x04,
+    DW_CFA_offset_extended = 0x05,
+    DW_CFA_restore_extended = 0x06,
+    DW_CFA_undefined = 0x07,
+    DW_CFA_same_value = 0x08,
+    DW_CFA_register = 0x09,
+    DW_CFA_remember_state = 0x0a,
+    DW_CFA_restore_state = 0x0b,
+    DW_CFA_def_cfa = 0x0c,
+    DW_CFA_def_cfa_register = 0x0d,
+    DW_CFA_def_cfa_offset = 0x0e,
+    DW_CFA_def_cfa_expression = 0x0f,
+    DW_CFA_expression = 0x10,
+    DW_CFA_offset_extended_sf = 0x11,
+    DW_CFA_def_cfa_sf = 0x12,
+    DW_CFA_def_cfa_offset_sf = 0x13,
+    DW_CFA_val_offset = 0x14,
+    DW_CFA_val_offset_sf = 0x15,
+    DW_CFA_val_expression = 0x16,
+
+    DW_CFA_low_user = 0x1c,
+    DW_CFA_MIPS_advance_loc8 = 0x1d,
+    DW_CFA_GNU_window_save = 0x2d,
+    DW_CFA_GNU_args_size = 0x2e,
+    DW_CFA_GNU_negative_offset_extended = 0x2f,
+    DW_CFA_high_user = 0x3f
+  };
+
+/* ID indicating CIE as opposed to FDE in .debug_frame.  */
+enum
+  {
+    DW_CIE_ID_32 = 0xffffffffU,		 /* In 32-bit format CIE header.  */
+    DW_CIE_ID_64 = 0xffffffffffffffffULL /* In 64-bit format CIE header.  */
+  };
+
+
+/* Information for GNU unwind information.  */
+enum
+  {
+    DW_EH_PE_absptr = 0x00,
+    DW_EH_PE_omit = 0xff,
+
+    /* FDE data encoding.  */
+    DW_EH_PE_uleb128 = 0x01,
+    DW_EH_PE_udata2 = 0x02,
+    DW_EH_PE_udata4 = 0x03,
+    DW_EH_PE_udata8 = 0x04,
+    DW_EH_PE_sleb128 = 0x09,
+    DW_EH_PE_sdata2 = 0x0a,
+    DW_EH_PE_sdata4 = 0x0b,
+    DW_EH_PE_sdata8 = 0x0c,
+    DW_EH_PE_signed = 0x08,
+
+    /* FDE flags.  */
+    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
+  };
+
+
+/* DWARF XXX.  */
+#define DW_ADDR_none	0
+
+/* Section 7.2.2 of the DWARF3 specification defines a range of escape
+   codes that can appear in the length field of certain DWARF structures.
+
+   These defines enumerate the minium and maximum values of this range.
+   Currently only the maximum value is used (to indicate that 64-bit
+   values are going to be used in the dwarf data that accompanies the
+   structure).  The other values are reserved.
+
+   Note: There is a typo in DWARF3 spec (published Dec 20, 2005).  In
+   sections 7.4, 7.5.1, 7.19, 7.20 the minimum escape code is referred to
+   as 0xffffff00 whereas in fact it should be 0xfffffff0.  */
+#define DWARF3_LENGTH_MIN_ESCAPE_CODE 0xfffffff0u
+#define DWARF3_LENGTH_MAX_ESCAPE_CODE 0xffffffffu
+#define DWARF3_LENGTH_64_BIT          DWARF3_LENGTH_MAX_ESCAPE_CODE
+
+#endif	/* dwarf.h */