gcc/include/dwarf2.h

/* Declarations and definitions of codes relating to the DWARF2 and
   DWARF3 symbolic debugging information formats.
   Copyright (C) 1992, 1993, 1995, 1996, 1997, 1999, 2000, 2001, 2002,
   2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.

   Written by Gary Funck (gary@intrepid.com) The Ada Joint Program
   Office (AJPO), Florida State University and Silicon Graphics Inc.
   provided support for this effort -- June 21, 1995.

   Derived from the DWARF 1 implementation written by Ron Guilmette
   (rfg@netcom.com), November 1990.

   This file is part of GCC.

   GCC 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, or (at your option) any later
   version.

   GCC 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.

   Under Section 7 of GPL version 3, you are granted additional
   permissions described in the GCC Runtime Library Exception, version
   3.1, as published by the Free Software Foundation.

   You should have received a copy of the GNU General Public License and
   a copy of the GCC Runtime Library Exception along with this program;
   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
   <http://www.gnu.org/licenses/>.  */

/* This file is derived from the DWARF specification (a public document)
   Revision 2.0.0 (July 27, 1993) developed by the UNIX International
   Programming Languages Special Interest Group (UI/PLSIG) and distributed
   by UNIX International.  Copies of this specification are available from
   UNIX International, 20 Waterview Boulevard, Parsippany, NJ, 07054.

   This file also now contains definitions from the DWARF 3 specification
   published Dec 20, 2005, available from: http://dwarf.freestandards.org.  */

/* This file is shared between GCC and GDB, and should not contain
   prototypes.  */

#ifndef _ELF_DWARF2_H
#define _ELF_DWARF2_H

/* Structure found in the .debug_line section.  */
typedef struct
{
  unsigned char li_length          [4];
  unsigned char li_version         [2];
  unsigned char li_prologue_length [4];
  unsigned char li_min_insn_length [1];
  unsigned char li_default_is_stmt [1];
  unsigned char li_line_base       [1];
  unsigned char li_line_range      [1];
  unsigned char li_opcode_base     [1];
}
DWARF2_External_LineInfo;

typedef struct
{
  unsigned long  li_length;
  unsigned short li_version;
  unsigned int   li_prologue_length;
  unsigned char  li_min_insn_length;
  unsigned char  li_default_is_stmt;
  int            li_line_base;
  unsigned char  li_line_range;
  unsigned char  li_opcode_base;
}
DWARF2_Internal_LineInfo;

/* Structure found in .debug_pubnames section.  */
typedef struct
{
  unsigned char pn_length  [4];
  unsigned char pn_version [2];
  unsigned char pn_offset  [4];
  unsigned char pn_size    [4];
}
DWARF2_External_PubNames;

typedef struct
{
  unsigned long  pn_length;
  unsigned short pn_version;
  unsigned long  pn_offset;
  unsigned long  pn_size;
}
DWARF2_Internal_PubNames;

/* Structure found in .debug_info section.  */
typedef struct
{
  unsigned char  cu_length        [4];
  unsigned char  cu_version       [2];
  unsigned char  cu_abbrev_offset [4];
  unsigned char  cu_pointer_size  [1];
}
DWARF2_External_CompUnit;

typedef struct
{
  unsigned long  cu_length;
  unsigned short cu_version;
  unsigned long  cu_abbrev_offset;
  unsigned char  cu_pointer_size;
}
DWARF2_Internal_CompUnit;

typedef struct
{
  unsigned char  ar_length       [4];
  unsigned char  ar_version      [2];
  unsigned char  ar_info_offset  [4];
  unsigned char  ar_pointer_size [1];
  unsigned char  ar_segment_size [1];
}
DWARF2_External_ARange;

typedef struct
{
  unsigned long  ar_length;
  unsigned short ar_version;
  unsigned long  ar_info_offset;
  unsigned char  ar_pointer_size;
  unsigned char  ar_segment_size;
}
DWARF2_Internal_ARange;


/* Tag names and codes.  */
enum dwarf_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,
    /* DWARF 3.  */
    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,
    /* DWARF 4.  */
    DW_TAG_type_unit = 0x41,
    DW_TAG_rvalue_reference_type = 0x42,
    DW_TAG_template_alias = 0x43,

    DW_TAG_lo_user = 0x4080,
    DW_TAG_hi_user = 0xffff,

    /* 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,
    /* Template template parameter.
       See http://gcc.gnu.org/wiki/TemplateParmsDwarf .  */
    DW_TAG_GNU_template_template_param = 0x4106,

    /* Template parameter pack extension, specified at
       http://wiki.dwarfstd.org/index.php?title=C%2B%2B0x:_Variadic_templates
       The values of these two TAGS are in the DW_TAG_GNU_* space until the tags
       are properly part of DWARF 5.  */
    DW_TAG_GNU_template_parameter_pack = 0x4107,
    DW_TAG_GNU_formal_parameter_pack = 0x4108,
    /* 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
  };

/* Flag that tells whether entry has a child or not.  */
#define DW_children_no   0
#define	DW_children_yes  1

/* Form names and codes.  */
enum dwarf_form
  {
    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,
    /* DWARF 4.  */
    DW_FORM_sec_offset = 0x17,
    DW_FORM_exprloc = 0x18,
    DW_FORM_flag_present = 0x19,
    DW_FORM_ref_sig8 = 0x20
#define DW_FORM_sig8  DW_FORM_ref_sig8  /* Note: The use of DW_FORM_sig8 is deprecated.  */
  };

/* Attribute names and codes.  */
enum dwarf_attribute
  {
    DW_AT_sibling = 0x01,
    DW_AT_location = 0x02,
    DW_AT_name = 0x03,
    DW_AT_ordering = 0x09,
    DW_AT_subscr_data = 0x0a,
    DW_AT_byte_size = 0x0b,
    DW_AT_bit_offset = 0x0c,
    DW_AT_bit_size = 0x0d,
    DW_AT_element_list = 0x0f,
    DW_AT_stmt_list = 0x10,
    DW_AT_low_pc = 0x11,
    DW_AT_high_pc = 0x12,
    DW_AT_language = 0x13,
    DW_AT_member = 0x14,
    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,
    DW_AT_inline = 0x20,
    DW_AT_is_optional = 0x21,
    DW_AT_lower_bound = 0x22,
    DW_AT_producer = 0x25,
    DW_AT_prototyped = 0x27,
    DW_AT_return_addr = 0x2a,
    DW_AT_start_scope = 0x2c,
    DW_AT_bit_stride = 0x2e,
#define DW_AT_stride_size   DW_AT_bit_stride  /* Note: The use of DW_AT_stride_size is deprecated.  */
    DW_AT_upper_bound = 0x2f,
    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,
    DW_AT_namelist_items = 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,
    /* DWARF 3 values.  */
    DW_AT_allocated     = 0x4e,
    DW_AT_associated    = 0x4f,
    DW_AT_data_location = 0x50,
    DW_AT_byte_stride   = 0x51,
#define DW_AT_stride   DW_AT_byte_stride  /* Note: The use of DW_AT_stride is deprecated.  */
    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,
    /* DWARF 4.  */
    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_lo_user = 0x2000,	/* Implementation-defined range start.  */
    DW_AT_hi_user = 0x3ff0,	/* Implementation-defined range end.  */

    /* SGI/MIPS extensions.  */
    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,
    /* HP extensions.  */
    DW_AT_HP_block_index         = 0x2000,
    DW_AT_HP_unmodifiable        = 0x2001, /* Same as DW_AT_MIPS_fde.  */
    DW_AT_HP_actuals_stmt_list   = 0x2010,
    DW_AT_HP_proc_per_section    = 0x2011,
    DW_AT_HP_raw_data_ptr        = 0x2012,
    DW_AT_HP_pass_by_reference   = 0x2013,
    DW_AT_HP_opt_level           = 0x2014,
    DW_AT_HP_prof_version_id     = 0x2015,
    DW_AT_HP_opt_flags           = 0x2016,
    DW_AT_HP_cold_region_low_pc  = 0x2017,
    DW_AT_HP_cold_region_high_pc = 0x2018,
    DW_AT_HP_all_variables_modifiable = 0x2019,
    DW_AT_HP_linkage_name        = 0x201a,
    DW_AT_HP_prof_flags          = 0x201b,  /* In comp unit of procs_info for -g.  */
    /* 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,
    /* Thread-safety annotations.
       See http://gcc.gnu.org/wiki/ThreadSafetyAnnotation .  */
    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,
    /* One-definition rule violation detection.
       See http://gcc.gnu.org/wiki/DwarfSeparateTypeInfo .  */
    DW_AT_GNU_odr_signature = 0x210f,
    /* Template template argument name.
       See http://gcc.gnu.org/wiki/TemplateParmsDwarf .  */
    DW_AT_GNU_template_name = 0x2110,
    /* VMS extensions.  */
    DW_AT_VMS_rtnbeg_pd_address = 0x2201,
    /* UPC extension.  */
    DW_AT_upc_threads_scaled = 0x3210,
    /* PGI (STMicroelectronics) extensions.  */
    DW_AT_PGI_lbase    = 0x3a00,
    DW_AT_PGI_soffset  = 0x3a01,
    DW_AT_PGI_lstride  = 0x3a02
  };

/* Location atom names and codes.  */
enum dwarf_location_atom
  {
    DW_OP_addr = 0x03,
    DW_OP_deref = 0x06,
    DW_OP_const1u = 0x08,
    DW_OP_const1s = 0x09,
    DW_OP_const2u = 0x0a,
    DW_OP_const2s = 0x0b,
    DW_OP_const4u = 0x0c,
    DW_OP_const4s = 0x0d,
    DW_OP_const8u = 0x0e,
    DW_OP_const8s = 0x0f,
    DW_OP_constu = 0x10,
    DW_OP_consts = 0x11,
    DW_OP_dup = 0x12,
    DW_OP_drop = 0x13,
    DW_OP_over = 0x14,
    DW_OP_pick = 0x15,
    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,
    DW_OP_shl = 0x24,
    DW_OP_shr = 0x25,
    DW_OP_shra = 0x26,
    DW_OP_xor = 0x27,
    DW_OP_bra = 0x28,
    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,
    DW_OP_lit0 = 0x30,
    DW_OP_lit1 = 0x31,
    DW_OP_lit2 = 0x32,
    DW_OP_lit3 = 0x33,
    DW_OP_lit4 = 0x34,
    DW_OP_lit5 = 0x35,
    DW_OP_lit6 = 0x36,
    DW_OP_lit7 = 0x37,
    DW_OP_lit8 = 0x38,
    DW_OP_lit9 = 0x39,
    DW_OP_lit10 = 0x3a,
    DW_OP_lit11 = 0x3b,
    DW_OP_lit12 = 0x3c,
    DW_OP_lit13 = 0x3d,
    DW_OP_lit14 = 0x3e,
    DW_OP_lit15 = 0x3f,
    DW_OP_lit16 = 0x40,
    DW_OP_lit17 = 0x41,
    DW_OP_lit18 = 0x42,
    DW_OP_lit19 = 0x43,
    DW_OP_lit20 = 0x44,
    DW_OP_lit21 = 0x45,
    DW_OP_lit22 = 0x46,
    DW_OP_lit23 = 0x47,
    DW_OP_lit24 = 0x48,
    DW_OP_lit25 = 0x49,
    DW_OP_lit26 = 0x4a,
    DW_OP_lit27 = 0x4b,
    DW_OP_lit28 = 0x4c,
    DW_OP_lit29 = 0x4d,
    DW_OP_lit30 = 0x4e,
    DW_OP_lit31 = 0x4f,
    DW_OP_reg0 = 0x50,
    DW_OP_reg1 = 0x51,
    DW_OP_reg2 = 0x52,
    DW_OP_reg3 = 0x53,
    DW_OP_reg4 = 0x54,
    DW_OP_reg5 = 0x55,
    DW_OP_reg6 = 0x56,
    DW_OP_reg7 = 0x57,
    DW_OP_reg8 = 0x58,
    DW_OP_reg9 = 0x59,
    DW_OP_reg10 = 0x5a,
    DW_OP_reg11 = 0x5b,
    DW_OP_reg12 = 0x5c,
    DW_OP_reg13 = 0x5d,
    DW_OP_reg14 = 0x5e,
    DW_OP_reg15 = 0x5f,
    DW_OP_reg16 = 0x60,
    DW_OP_reg17 = 0x61,
    DW_OP_reg18 = 0x62,
    DW_OP_reg19 = 0x63,
    DW_OP_reg20 = 0x64,
    DW_OP_reg21 = 0x65,
    DW_OP_reg22 = 0x66,
    DW_OP_reg23 = 0x67,
    DW_OP_reg24 = 0x68,
    DW_OP_reg25 = 0x69,
    DW_OP_reg26 = 0x6a,
    DW_OP_reg27 = 0x6b,
    DW_OP_reg28 = 0x6c,
    DW_OP_reg29 = 0x6d,
    DW_OP_reg30 = 0x6e,
    DW_OP_reg31 = 0x6f,
    DW_OP_breg0 = 0x70,
    DW_OP_breg1 = 0x71,
    DW_OP_breg2 = 0x72,
    DW_OP_breg3 = 0x73,
    DW_OP_breg4 = 0x74,
    DW_OP_breg5 = 0x75,
    DW_OP_breg6 = 0x76,
    DW_OP_breg7 = 0x77,
    DW_OP_breg8 = 0x78,
    DW_OP_breg9 = 0x79,
    DW_OP_breg10 = 0x7a,
    DW_OP_breg11 = 0x7b,
    DW_OP_breg12 = 0x7c,
    DW_OP_breg13 = 0x7d,
    DW_OP_breg14 = 0x7e,
    DW_OP_breg15 = 0x7f,
    DW_OP_breg16 = 0x80,
    DW_OP_breg17 = 0x81,
    DW_OP_breg18 = 0x82,
    DW_OP_breg19 = 0x83,
    DW_OP_breg20 = 0x84,
    DW_OP_breg21 = 0x85,
    DW_OP_breg22 = 0x86,
    DW_OP_breg23 = 0x87,
    DW_OP_breg24 = 0x88,
    DW_OP_breg25 = 0x89,
    DW_OP_breg26 = 0x8a,
    DW_OP_breg27 = 0x8b,
    DW_OP_breg28 = 0x8c,
    DW_OP_breg29 = 0x8d,
    DW_OP_breg30 = 0x8e,
    DW_OP_breg31 = 0x8f,
    DW_OP_regx = 0x90,
    DW_OP_fbreg = 0x91,
    DW_OP_bregx = 0x92,
    DW_OP_piece = 0x93,
    DW_OP_deref_size = 0x94,
    DW_OP_xderef_size = 0x95,
    DW_OP_nop = 0x96,
    /* DWARF 3 extensions.  */
    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,
    DW_OP_call_frame_cfa = 0x9c,
    DW_OP_bit_piece = 0x9d,

    /* DWARF 4 extensions.  */
    DW_OP_implicit_value = 0x9e,
    DW_OP_stack_value = 0x9f,

    DW_OP_lo_user = 0xe0,	/* Implementation-defined range start.  */
    DW_OP_hi_user = 0xff,	/* Implementation-defined range end.  */

    /* GNU extensions.  */
    DW_OP_GNU_push_tls_address = 0xe0,
    /* The following is for marking variables that are uninitialized.  */
    DW_OP_GNU_uninit     = 0xf0,
    DW_OP_GNU_encoded_addr = 0xf1,
    /* HP extensions.  */
    DW_OP_HP_unknown     = 0xe0, /* Ouch, the same as GNU_push_tls_address.  */
    DW_OP_HP_is_value    = 0xe1,
    DW_OP_HP_fltconst4   = 0xe2,
    DW_OP_HP_fltconst8   = 0xe3,
    DW_OP_HP_mod_range   = 0xe4,
    DW_OP_HP_unmod_range = 0xe5,
    DW_OP_HP_tls         = 0xe6,
    /* PGI (STMicroelectronics) extensions.  */
    DW_OP_PGI_omp_thread_num = 0xf8
  };

/* Type encodings.  */
enum dwarf_type
  {
    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,
    /* DWARF 3.  */
    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_lo_user = 0x80,
    DW_ATE_hi_user = 0xff,

    /* HP extensions.  */
    DW_ATE_HP_float80            = 0x80, /* Floating-point (80 bit).  */
    DW_ATE_HP_complex_float80    = 0x81, /* Complex floating-point (80 bit).  */
    DW_ATE_HP_float128           = 0x82, /* Floating-point (128 bit).  */
    DW_ATE_HP_complex_float128   = 0x83, /* Complex floating-point (128 bit).  */
    DW_ATE_HP_floathpintel       = 0x84, /* Floating-point (82 bit IA64).  */
    DW_ATE_HP_imaginary_float80  = 0x85,
    DW_ATE_HP_imaginary_float128 = 0x86
  };

/* Decimal sign encodings.  */
enum dwarf_decimal_sign_encoding
  {
    /* DWARF 3.  */
    DW_DS_unsigned = 0x01,
    DW_DS_leading_overpunch = 0x02,
    DW_DS_trailing_overpunch = 0x03,
    DW_DS_leading_separate = 0x04,
    DW_DS_trailing_separate = 0x05
  };

/* Endianity encodings.  */
enum dwarf_endianity_encoding
  {
    /* DWARF 3.  */
    DW_END_default = 0x00,
    DW_END_big = 0x01,
    DW_END_little = 0x02,

    DW_END_lo_user = 0x40,
    DW_END_hi_user = 0xff
  };

/* Array ordering names and codes.  */
enum dwarf_array_dim_ordering
  {
    DW_ORD_row_major = 0,
    DW_ORD_col_major = 1
  };

/* Access attribute.  */
enum dwarf_access_attribute
  {
    DW_ACCESS_public = 1,
    DW_ACCESS_protected = 2,
    DW_ACCESS_private = 3
  };

/* Visibility.  */
enum dwarf_visibility_attribute
  {
    DW_VIS_local = 1,
    DW_VIS_exported = 2,
    DW_VIS_qualified = 3
  };

/* Virtuality.  */
enum dwarf_virtuality_attribute
  {
    DW_VIRTUALITY_none = 0,
    DW_VIRTUALITY_virtual = 1,
    DW_VIRTUALITY_pure_virtual = 2
  };

/* Case sensitivity.  */
enum dwarf_id_case
  {
    DW_ID_case_sensitive = 0,
    DW_ID_up_case = 1,
    DW_ID_down_case = 2,
    DW_ID_case_insensitive = 3
  };

/* Calling convention.  */
enum dwarf_calling_convention
  {
    DW_CC_normal = 0x1,
    DW_CC_program = 0x2,
    DW_CC_nocall = 0x3,

    DW_CC_lo_user = 0x40,
    DW_CC_hi_user = 0xff,

    DW_CC_GNU_renesas_sh = 0x40
  };

/* Inline attribute.  */
enum dwarf_inline_attribute
  {
    DW_INL_not_inlined = 0,
    DW_INL_inlined = 1,
    DW_INL_declared_not_inlined = 2,
    DW_INL_declared_inlined = 3
  };

/* Discriminant lists.  */
enum dwarf_discrim_list
  {
    DW_DSC_label = 0,
    DW_DSC_range = 1
  };

/* Line number opcodes.  */
enum dwarf_line_number_ops
  {
    DW_LNS_extended_op = 0,
    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,
    /* DWARF 3.  */
    DW_LNS_set_prologue_end = 10,
    DW_LNS_set_epilogue_begin = 11,
    DW_LNS_set_isa = 12
  };

/* Line number extended opcodes.  */
enum dwarf_line_number_x_ops
  {
    DW_LNE_end_sequence = 1,
    DW_LNE_set_address = 2,
    DW_LNE_define_file = 3,
    DW_LNE_set_discriminator = 4,
    /* HP extensions.  */
    DW_LNE_HP_negate_is_UV_update      = 0x11,
    DW_LNE_HP_push_context             = 0x12,
    DW_LNE_HP_pop_context              = 0x13,
    DW_LNE_HP_set_file_line_column     = 0x14,
    DW_LNE_HP_set_routine_name         = 0x15,
    DW_LNE_HP_set_sequence             = 0x16,
    DW_LNE_HP_negate_post_semantics    = 0x17,
    DW_LNE_HP_negate_function_exit     = 0x18,
    DW_LNE_HP_negate_front_end_logical = 0x19,
    DW_LNE_HP_define_proc              = 0x20,

    DW_LNE_lo_user = 0x80,
    DW_LNE_hi_user = 0xff
  };

/* Call frame information.  */
enum dwarf_call_frame_info
  {
    DW_CFA_advance_loc = 0x40,
    DW_CFA_offset = 0x80,
    DW_CFA_restore = 0xc0,
    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,
    /* DWARF 3.  */
    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_lo_user = 0x1c,
    DW_CFA_hi_user = 0x3f,

    /* SGI/MIPS specific.  */
    DW_CFA_MIPS_advance_loc8 = 0x1d,
    /* GNU extensions.  */
    DW_CFA_GNU_window_save = 0x2d,
    DW_CFA_GNU_args_size = 0x2e,
    DW_CFA_GNU_negative_offset_extended = 0x2f
  };

#define DW_CIE_ID	  0xffffffff
#define DW64_CIE_ID	  0xffffffffffffffffULL
#define DW_CIE_VERSION	  1

#define DW_CFA_extended   0

#define DW_CHILDREN_no		     0x00
#define DW_CHILDREN_yes		     0x01

#define DW_ADDR_none		0

/* Source language names and codes.  */
enum dwarf_source_language
  {
    DW_LANG_C89 = 0x0001,
    DW_LANG_C = 0x0002,
    DW_LANG_Ada83 = 0x0003,
    DW_LANG_C_plus_plus = 0x0004,
    DW_LANG_Cobol74 = 0x0005,
    DW_LANG_Cobol85 = 0x0006,
    DW_LANG_Fortran77 = 0x0007,
    DW_LANG_Fortran90 = 0x0008,
    DW_LANG_Pascal83 = 0x0009,
    DW_LANG_Modula2 = 0x000a,
    /* DWARF 3.  */
    DW_LANG_Java = 0x000b,
    DW_LANG_C99 = 0x000c,
    DW_LANG_Ada95 = 0x000d,
    DW_LANG_Fortran95 = 0x000e,
    DW_LANG_PLI = 0x000f,
    DW_LANG_ObjC = 0x0010,
    DW_LANG_ObjC_plus_plus = 0x0011,
    DW_LANG_UPC = 0x0012,
    DW_LANG_D = 0x0013,
    /* DWARF 4.  */
    DW_LANG_Python = 0x0014,

    DW_LANG_lo_user = 0x8000,	/* Implementation-defined range start.  */
    DW_LANG_hi_user = 0xffff,	/* Implementation-defined range start.  */

    /* MIPS.  */
    DW_LANG_Mips_Assembler = 0x8001,
    /* UPC.  */
    DW_LANG_Upc = 0x8765
  };

/* Names and codes for macro information.  */
enum dwarf_macinfo_record_type
  {
    DW_MACINFO_define = 1,
    DW_MACINFO_undef = 2,
    DW_MACINFO_start_file = 3,
    DW_MACINFO_end_file = 4,
    DW_MACINFO_vendor_ext = 255
  };

/* @@@ For use with GNU frame unwind information.  */

#define DW_EH_PE_absptr		0x00
#define DW_EH_PE_omit		0xff

#define DW_EH_PE_uleb128	0x01
#define DW_EH_PE_udata2		0x02
#define DW_EH_PE_udata4		0x03
#define DW_EH_PE_udata8		0x04
#define DW_EH_PE_sleb128	0x09
#define DW_EH_PE_sdata2		0x0A
#define DW_EH_PE_sdata4		0x0B
#define DW_EH_PE_sdata8		0x0C
#define DW_EH_PE_signed		0x08

#define DW_EH_PE_pcrel		0x10
#define DW_EH_PE_textrel	0x20
#define DW_EH_PE_datarel	0x30
#define DW_EH_PE_funcrel	0x40
#define DW_EH_PE_aligned	0x50

#define DW_EH_PE_indirect	0x80

#endif /* _ELF_DWARF2_H */