include/dwarf2.h

   1 /* Declarations and definitions of codes relating to the DWARF2 and
   2    DWARF3 symbolic debugging information formats.
   3    Copyright (C) 1992, 1993, 1995, 1996, 1997, 1999, 2000, 2001, 2002,
   4    2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
   5
   6    Written by Gary Funck (gary@intrepid.com) The Ada Joint Program
   7    Office (AJPO), Florida State University and Silicon Graphics Inc.
   8    provided support for this effort -- June 21, 1995.
   9
  10    Derived from the DWARF 1 implementation written by Ron Guilmette
  11    (rfg@netcom.com), November 1990.
  12
  13    This file is part of GCC.
  14
  15    GCC is free software; you can redistribute it and/or modify it under
  16    the terms of the GNU General Public License as published by the Free
  17    Software Foundation; either version 3, or (at your option) any later
  18    version.
  19
  20    GCC is distributed in the hope that it will be useful, but WITHOUT
  21    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  22    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  23    License for more details.
  24
  25    Under Section 7 of GPL version 3, you are granted additional
  26    permissions described in the GCC Runtime Library Exception, version
  27    3.1, as published by the Free Software Foundation.
  28
  29    You should have received a copy of the GNU General Public License and
  30    a copy of the GCC Runtime Library Exception along with this program;
  31    see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  32    <http://www.gnu.org/licenses/>.  */
  33
  34 /* This file is derived from the DWARF specification (a public document)
  35    Revision 2.0.0 (July 27, 1993) developed by the UNIX International
  36    Programming Languages Special Interest Group (UI/PLSIG) and distributed
  37    by UNIX International.  Copies of this specification are available from
  38    UNIX International, 20 Waterview Boulevard, Parsippany, NJ, 07054.
  39
  40    This file also now contains definitions from the DWARF 3 specification
  41    published Dec 20, 2005, available from: http://dwarf.freestandards.org.  */
  42
  43 /* This file is shared between GCC and GDB, and should not contain
  44    prototypes.  */
  45
  46 #ifndef _ELF_DWARF2_H
  47 #define _ELF_DWARF2_H
  48
  49 /* Structure found in the .debug_line section.  */
  50 typedef struct
  51 {
  52   unsigned char li_length          [4];
  53   unsigned char li_version         [2];
  54   unsigned char li_prologue_length [4];
  55   unsigned char li_min_insn_length [1];
  56   unsigned char li_default_is_stmt [1];
  57   unsigned char li_line_base       [1];
  58   unsigned char li_line_range      [1];
  59   unsigned char li_opcode_base     [1];
  60 }
  61 DWARF2_External_LineInfo;
  62
  63 typedef struct
  64 {
  65   unsigned long  li_length;
  66   unsigned short li_version;
  67   unsigned int   li_prologue_length;
  68   unsigned char  li_min_insn_length;
  69   unsigned char  li_default_is_stmt;
  70   int            li_line_base;
  71   unsigned char  li_line_range;
  72   unsigned char  li_opcode_base;
  73 }
  74 DWARF2_Internal_LineInfo;
  75
  76 /* Structure found in .debug_pubnames section.  */
  77 typedef struct
  78 {
  79   unsigned char pn_length  [4];
  80   unsigned char pn_version [2];
  81   unsigned char pn_offset  [4];
  82   unsigned char pn_size    [4];
  83 }
  84 DWARF2_External_PubNames;
  85
  86 typedef struct
  87 {
  88   unsigned long  pn_length;
  89   unsigned short pn_version;
  90   unsigned long  pn_offset;
  91   unsigned long  pn_size;
  92 }
  93 DWARF2_Internal_PubNames;
  94
  95 /* Structure found in .debug_info section.  */
  96 typedef struct
  97 {
  98   unsigned char  cu_length        [4];
  99   unsigned char  cu_version       [2];
 100   unsigned char  cu_abbrev_offset [4];
 101   unsigned char  cu_pointer_size  [1];
 102 }
 103 DWARF2_External_CompUnit;
 104
 105 typedef struct
 106 {
 107   unsigned long  cu_length;
 108   unsigned short cu_version;
 109   unsigned long  cu_abbrev_offset;
 110   unsigned char  cu_pointer_size;
 111 }
 112 DWARF2_Internal_CompUnit;
 113
 114 typedef struct
 115 {
 116   unsigned char  ar_length       [4];
 117   unsigned char  ar_version      [2];
 118   unsigned char  ar_info_offset  [4];
 119   unsigned char  ar_pointer_size [1];
 120   unsigned char  ar_segment_size [1];
 121 }
 122 DWARF2_External_ARange;
 123
 124 typedef struct
 125 {
 126   unsigned long  ar_length;
 127   unsigned short ar_version;
 128   unsigned long  ar_info_offset;
 129   unsigned char  ar_pointer_size;
 130   unsigned char  ar_segment_size;
 131 }
 132 DWARF2_Internal_ARange;
 133
 134
 135 /* Tag names and codes.  */
 136 enum dwarf_tag
 137   {
 138     DW_TAG_padding = 0x00,
 139     DW_TAG_array_type = 0x01,
 140     DW_TAG_class_type = 0x02,
 141     DW_TAG_entry_point = 0x03,
 142     DW_TAG_enumeration_type = 0x04,
 143     DW_TAG_formal_parameter = 0x05,
 144     DW_TAG_imported_declaration = 0x08,
 145     DW_TAG_label = 0x0a,
 146     DW_TAG_lexical_block = 0x0b,
 147     DW_TAG_member = 0x0d,
 148     DW_TAG_pointer_type = 0x0f,
 149     DW_TAG_reference_type = 0x10,
 150     DW_TAG_compile_unit = 0x11,
 151     DW_TAG_string_type = 0x12,
 152     DW_TAG_structure_type = 0x13,
 153     DW_TAG_subroutine_type = 0x15,
 154     DW_TAG_typedef = 0x16,
 155     DW_TAG_union_type = 0x17,
 156     DW_TAG_unspecified_parameters = 0x18,
 157     DW_TAG_variant = 0x19,
 158     DW_TAG_common_block = 0x1a,
 159     DW_TAG_common_inclusion = 0x1b,
 160     DW_TAG_inheritance = 0x1c,
 161     DW_TAG_inlined_subroutine = 0x1d,
 162     DW_TAG_module = 0x1e,
 163     DW_TAG_ptr_to_member_type = 0x1f,
 164     DW_TAG_set_type = 0x20,
 165     DW_TAG_subrange_type = 0x21,
 166     DW_TAG_with_stmt = 0x22,
 167     DW_TAG_access_declaration = 0x23,
 168     DW_TAG_base_type = 0x24,
 169     DW_TAG_catch_block = 0x25,
 170     DW_TAG_const_type = 0x26,
 171     DW_TAG_constant = 0x27,
 172     DW_TAG_enumerator = 0x28,
 173     DW_TAG_file_type = 0x29,
 174     DW_TAG_friend = 0x2a,
 175     DW_TAG_namelist = 0x2b,
 176     DW_TAG_namelist_item = 0x2c,
 177     DW_TAG_packed_type = 0x2d,
 178     DW_TAG_subprogram = 0x2e,
 179     DW_TAG_template_type_param = 0x2f,
 180     DW_TAG_template_value_param = 0x30,
 181     DW_TAG_thrown_type = 0x31,
 182     DW_TAG_try_block = 0x32,
 183     DW_TAG_variant_part = 0x33,
 184     DW_TAG_variable = 0x34,
 185     DW_TAG_volatile_type = 0x35,
 186     /* DWARF 3.  */
 187     DW_TAG_dwarf_procedure = 0x36,
 188     DW_TAG_restrict_type = 0x37,
 189     DW_TAG_interface_type = 0x38,
 190     DW_TAG_namespace = 0x39,
 191     DW_TAG_imported_module = 0x3a,
 192     DW_TAG_unspecified_type = 0x3b,
 193     DW_TAG_partial_unit = 0x3c,
 194     DW_TAG_imported_unit = 0x3d,
 195     DW_TAG_condition = 0x3f,
 196     DW_TAG_shared_type = 0x40,
 197     /* DWARF 4.  */
 198     DW_TAG_type_unit = 0x41,
 199     DW_TAG_rvalue_reference_type = 0x42,
 200     DW_TAG_template_alias = 0x43,
 201
 202     DW_TAG_lo_user = 0x4080,
 203     DW_TAG_hi_user = 0xffff,
 204
 205     /* SGI/MIPS Extensions.  */
 206     DW_TAG_MIPS_loop = 0x4081,
 207     /* HP extensions.  See: ftp://ftp.hp.com/pub/lang/tools/WDB/wdb-4.0.tar.gz .  */
 208     DW_TAG_HP_array_descriptor = 0x4090,
 209     /* GNU extensions.  */
 210     DW_TAG_format_label = 0x4101,       /* For FORTRAN 77 and Fortran 90.  */
 211     DW_TAG_function_template = 0x4102,  /* For C++.  */
 212     DW_TAG_class_template = 0x4103,     /* For C++.  */
 213     DW_TAG_GNU_BINCL = 0x4104,
 214     DW_TAG_GNU_EINCL = 0x4105,
 215     /* Template template parameter.
 216        See http://gcc.gnu.org/wiki/TemplateParmsDwarf .  */
 217     DW_TAG_GNU_template_template_param = 0x4106,
 218
 219     /* Template parameter pack extension, specified at
 220        http://wiki.dwarfstd.org/index.php?title=C%2B%2B0x:_Variadic_templates
 221        The values of these two TAGS are in the DW_TAG_GNU_* space until the tags
 222        are properly part of DWARF 5.  */
 223     DW_TAG_GNU_template_parameter_pack = 0x4107,
 224     DW_TAG_GNU_formal_parameter_pack = 0x4108,
 225     /* Extensions for UPC.  See: http://upc.gwu.edu/~upc.  */
 226     DW_TAG_upc_shared_type = 0x8765,
 227     DW_TAG_upc_strict_type = 0x8766,
 228     DW_TAG_upc_relaxed_type = 0x8767,
 229     /* PGI (STMicroelectronics) extensions.  No documentation available.  */
 230     DW_TAG_PGI_kanji_type      = 0xA000,
 231     DW_TAG_PGI_interface_block = 0xA020
 232   };
 233
 234 /* Flag that tells whether entry has a child or not.  */
 235 #define DW_children_no   0
 236 #define DW_children_yes  1
 237
 238 /* Form names and codes.  */
 239 enum dwarf_form
 240   {
 241     DW_FORM_addr = 0x01,
 242     DW_FORM_block2 = 0x03,
 243     DW_FORM_block4 = 0x04,
 244     DW_FORM_data2 = 0x05,
 245     DW_FORM_data4 = 0x06,
 246     DW_FORM_data8 = 0x07,
 247     DW_FORM_string = 0x08,
 248     DW_FORM_block = 0x09,
 249     DW_FORM_block1 = 0x0a,
 250     DW_FORM_data1 = 0x0b,
 251     DW_FORM_flag = 0x0c,
 252     DW_FORM_sdata = 0x0d,
 253     DW_FORM_strp = 0x0e,
 254     DW_FORM_udata = 0x0f,
 255     DW_FORM_ref_addr = 0x10,
 256     DW_FORM_ref1 = 0x11,
 257     DW_FORM_ref2 = 0x12,
 258     DW_FORM_ref4 = 0x13,
 259     DW_FORM_ref8 = 0x14,
 260     DW_FORM_ref_udata = 0x15,
 261     DW_FORM_indirect = 0x16,
 262     /* DWARF 4.  */
 263     DW_FORM_sec_offset = 0x17,
 264     DW_FORM_exprloc = 0x18,
 265     DW_FORM_flag_present = 0x19,
 266     DW_FORM_ref_sig8 = 0x20
 267 #define DW_FORM_sig8  DW_FORM_ref_sig8  /* Note: The use of DW_FORM_sig8 is deprecated.  */
 268   };
 269
 270 /* Attribute names and codes.  */
 271 enum dwarf_attribute
 272   {
 273     DW_AT_sibling = 0x01,
 274     DW_AT_location = 0x02,
 275     DW_AT_name = 0x03,
 276     DW_AT_ordering = 0x09,
 277     DW_AT_subscr_data = 0x0a,
 278     DW_AT_byte_size = 0x0b,
 279     DW_AT_bit_offset = 0x0c,
 280     DW_AT_bit_size = 0x0d,
 281     DW_AT_element_list = 0x0f,
 282     DW_AT_stmt_list = 0x10,
 283     DW_AT_low_pc = 0x11,
 284     DW_AT_high_pc = 0x12,
 285     DW_AT_language = 0x13,
 286     DW_AT_member = 0x14,
 287     DW_AT_discr = 0x15,
 288     DW_AT_discr_value = 0x16,
 289     DW_AT_visibility = 0x17,
 290     DW_AT_import = 0x18,
 291     DW_AT_string_length = 0x19,
 292     DW_AT_common_reference = 0x1a,
 293     DW_AT_comp_dir = 0x1b,
 294     DW_AT_const_value = 0x1c,
 295     DW_AT_containing_type = 0x1d,
 296     DW_AT_default_value = 0x1e,
 297     DW_AT_inline = 0x20,
 298     DW_AT_is_optional = 0x21,
 299     DW_AT_lower_bound = 0x22,
 300     DW_AT_producer = 0x25,
 301     DW_AT_prototyped = 0x27,
 302     DW_AT_return_addr = 0x2a,
 303     DW_AT_start_scope = 0x2c,
 304     DW_AT_bit_stride = 0x2e,
 305 #define DW_AT_stride_size   DW_AT_bit_stride  /* Note: The use of DW_AT_stride_size is deprecated.  */
 306     DW_AT_upper_bound = 0x2f,
 307     DW_AT_abstract_origin = 0x31,
 308     DW_AT_accessibility = 0x32,
 309     DW_AT_address_class = 0x33,
 310     DW_AT_artificial = 0x34,
 311     DW_AT_base_types = 0x35,
 312     DW_AT_calling_convention = 0x36,
 313     DW_AT_count = 0x37,
 314     DW_AT_data_member_location = 0x38,
 315     DW_AT_decl_column = 0x39,
 316     DW_AT_decl_file = 0x3a,
 317     DW_AT_decl_line = 0x3b,
 318     DW_AT_declaration = 0x3c,
 319     DW_AT_discr_list = 0x3d,
 320     DW_AT_encoding = 0x3e,
 321     DW_AT_external = 0x3f,
 322     DW_AT_frame_base = 0x40,
 323     DW_AT_friend = 0x41,
 324     DW_AT_identifier_case = 0x42,
 325     DW_AT_macro_info = 0x43,
 326     DW_AT_namelist_items = 0x44,
 327     DW_AT_priority = 0x45,
 328     DW_AT_segment = 0x46,
 329     DW_AT_specification = 0x47,
 330     DW_AT_static_link = 0x48,
 331     DW_AT_type = 0x49,
 332     DW_AT_use_location = 0x4a,
 333     DW_AT_variable_parameter = 0x4b,
 334     DW_AT_virtuality = 0x4c,
 335     DW_AT_vtable_elem_location = 0x4d,
 336     /* DWARF 3 values.  */
 337     DW_AT_allocated     = 0x4e,
 338     DW_AT_associated    = 0x4f,
 339     DW_AT_data_location = 0x50,
 340     DW_AT_byte_stride   = 0x51,
 341 #define DW_AT_stride   DW_AT_byte_stride  /* Note: The use of DW_AT_stride is deprecated.  */
 342     DW_AT_entry_pc      = 0x52,
 343     DW_AT_use_UTF8      = 0x53,
 344     DW_AT_extension     = 0x54,
 345     DW_AT_ranges        = 0x55,
 346     DW_AT_trampoline    = 0x56,
 347     DW_AT_call_column   = 0x57,
 348     DW_AT_call_file     = 0x58,
 349     DW_AT_call_line     = 0x59,
 350     DW_AT_description   = 0x5a,
 351     DW_AT_binary_scale  = 0x5b,
 352     DW_AT_decimal_scale = 0x5c,
 353     DW_AT_small         = 0x5d,
 354     DW_AT_decimal_sign  = 0x5e,
 355     DW_AT_digit_count   = 0x5f,
 356     DW_AT_picture_string = 0x60,
 357     DW_AT_mutable       = 0x61,
 358     DW_AT_threads_scaled = 0x62,
 359     DW_AT_explicit      = 0x63,
 360     DW_AT_object_pointer = 0x64,
 361     DW_AT_endianity     = 0x65,
 362     DW_AT_elemental     = 0x66,
 363     DW_AT_pure          = 0x67,
 364     DW_AT_recursive     = 0x68,
 365     /* DWARF 4.  */
 366     DW_AT_signature       = 0x69,
 367     DW_AT_main_subprogram = 0x6a,
 368     DW_AT_data_bit_offset = 0x6b,
 369     DW_AT_const_expr      = 0x6c,
 370     DW_AT_enum_class      = 0x6d,
 371     DW_AT_linkage_name    = 0x6e,
 372
 373     DW_AT_lo_user = 0x2000,     /* Implementation-defined range start.  */
 374     DW_AT_hi_user = 0x3ff0,     /* Implementation-defined range end.  */
 375
 376     /* SGI/MIPS extensions.  */
 377     DW_AT_MIPS_fde = 0x2001,
 378     DW_AT_MIPS_loop_begin = 0x2002,
 379     DW_AT_MIPS_tail_loop_begin = 0x2003,
 380     DW_AT_MIPS_epilog_begin = 0x2004,
 381     DW_AT_MIPS_loop_unroll_factor = 0x2005,
 382     DW_AT_MIPS_software_pipeline_depth = 0x2006,
 383     DW_AT_MIPS_linkage_name = 0x2007,
 384     DW_AT_MIPS_stride = 0x2008,
 385     DW_AT_MIPS_abstract_name = 0x2009,
 386     DW_AT_MIPS_clone_origin = 0x200a,
 387     DW_AT_MIPS_has_inlines = 0x200b,
 388     /* HP extensions.  */
 389     DW_AT_HP_block_index         = 0x2000,
 390     DW_AT_HP_unmodifiable        = 0x2001, /* Same as DW_AT_MIPS_fde.  */
 391     DW_AT_HP_actuals_stmt_list   = 0x2010,
 392     DW_AT_HP_proc_per_section    = 0x2011,
 393     DW_AT_HP_raw_data_ptr        = 0x2012,
 394     DW_AT_HP_pass_by_reference   = 0x2013,
 395     DW_AT_HP_opt_level           = 0x2014,
 396     DW_AT_HP_prof_version_id     = 0x2015,
 397     DW_AT_HP_opt_flags           = 0x2016,
 398     DW_AT_HP_cold_region_low_pc  = 0x2017,
 399     DW_AT_HP_cold_region_high_pc = 0x2018,
 400     DW_AT_HP_all_variables_modifiable = 0x2019,
 401     DW_AT_HP_linkage_name        = 0x201a,
 402     DW_AT_HP_prof_flags          = 0x201b,  /* In comp unit of procs_info for -g.  */
 403     /* GNU extensions.  */
 404     DW_AT_sf_names   = 0x2101,
 405     DW_AT_src_info   = 0x2102,
 406     DW_AT_mac_info   = 0x2103,
 407     DW_AT_src_coords = 0x2104,
 408     DW_AT_body_begin = 0x2105,
 409     DW_AT_body_end   = 0x2106,
 410     DW_AT_GNU_vector = 0x2107,
 411     /* Thread-safety annotations.
 412        See http://gcc.gnu.org/wiki/ThreadSafetyAnnotation .  */
 413     DW_AT_GNU_guarded_by    = 0x2108,
 414     DW_AT_GNU_pt_guarded_by = 0x2109,
 415     DW_AT_GNU_guarded       = 0x210a,
 416     DW_AT_GNU_pt_guarded    = 0x210b,
 417     DW_AT_GNU_locks_excluded = 0x210c,
 418     DW_AT_GNU_exclusive_locks_required = 0x210d,
 419     DW_AT_GNU_shared_locks_required = 0x210e,
 420     /* One-definition rule violation detection.
 421        See http://gcc.gnu.org/wiki/DwarfSeparateTypeInfo .  */
 422     DW_AT_GNU_odr_signature = 0x210f,
 423     /* Template template argument name.
 424        See http://gcc.gnu.org/wiki/TemplateParmsDwarf .  */
 425     DW_AT_GNU_template_name = 0x2110,
 426     /* VMS extensions.  */
 427     DW_AT_VMS_rtnbeg_pd_address = 0x2201,
 428     /* GNAT extensions.  */
 429     /* GNAT descriptive type.
 430        See http://gcc.gnu.org/wiki/DW_AT_GNAT_descriptive_type .  */
 431     DW_AT_use_GNAT_descriptive_type = 0x2301,
 432     DW_AT_GNAT_descriptive_type = 0x2302,
 433     /* UPC extension.  */
 434     DW_AT_upc_threads_scaled = 0x3210,
 435     /* PGI (STMicroelectronics) extensions.  */
 436     DW_AT_PGI_lbase    = 0x3a00,
 437     DW_AT_PGI_soffset  = 0x3a01,
 438     DW_AT_PGI_lstride  = 0x3a02
 439   };
 440
 441 /* Location atom names and codes.  */
 442 enum dwarf_location_atom
 443   {
 444     DW_OP_addr = 0x03,
 445     DW_OP_deref = 0x06,
 446     DW_OP_const1u = 0x08,
 447     DW_OP_const1s = 0x09,
 448     DW_OP_const2u = 0x0a,
 449     DW_OP_const2s = 0x0b,
 450     DW_OP_const4u = 0x0c,
 451     DW_OP_const4s = 0x0d,
 452     DW_OP_const8u = 0x0e,
 453     DW_OP_const8s = 0x0f,
 454     DW_OP_constu = 0x10,
 455     DW_OP_consts = 0x11,
 456     DW_OP_dup = 0x12,
 457     DW_OP_drop = 0x13,
 458     DW_OP_over = 0x14,
 459     DW_OP_pick = 0x15,
 460     DW_OP_swap = 0x16,
 461     DW_OP_rot = 0x17,
 462     DW_OP_xderef = 0x18,
 463     DW_OP_abs = 0x19,
 464     DW_OP_and = 0x1a,
 465     DW_OP_div = 0x1b,
 466     DW_OP_minus = 0x1c,
 467     DW_OP_mod = 0x1d,
 468     DW_OP_mul = 0x1e,
 469     DW_OP_neg = 0x1f,
 470     DW_OP_not = 0x20,
 471     DW_OP_or = 0x21,
 472     DW_OP_plus = 0x22,
 473     DW_OP_plus_uconst = 0x23,
 474     DW_OP_shl = 0x24,
 475     DW_OP_shr = 0x25,
 476     DW_OP_shra = 0x26,
 477     DW_OP_xor = 0x27,
 478     DW_OP_bra = 0x28,
 479     DW_OP_eq = 0x29,
 480     DW_OP_ge = 0x2a,
 481     DW_OP_gt = 0x2b,
 482     DW_OP_le = 0x2c,
 483     DW_OP_lt = 0x2d,
 484     DW_OP_ne = 0x2e,
 485     DW_OP_skip = 0x2f,
 486     DW_OP_lit0 = 0x30,
 487     DW_OP_lit1 = 0x31,
 488     DW_OP_lit2 = 0x32,
 489     DW_OP_lit3 = 0x33,
 490     DW_OP_lit4 = 0x34,
 491     DW_OP_lit5 = 0x35,
 492     DW_OP_lit6 = 0x36,
 493     DW_OP_lit7 = 0x37,
 494     DW_OP_lit8 = 0x38,
 495     DW_OP_lit9 = 0x39,
 496     DW_OP_lit10 = 0x3a,
 497     DW_OP_lit11 = 0x3b,
 498     DW_OP_lit12 = 0x3c,
 499     DW_OP_lit13 = 0x3d,
 500     DW_OP_lit14 = 0x3e,
 501     DW_OP_lit15 = 0x3f,
 502     DW_OP_lit16 = 0x40,
 503     DW_OP_lit17 = 0x41,
 504     DW_OP_lit18 = 0x42,
 505     DW_OP_lit19 = 0x43,
 506     DW_OP_lit20 = 0x44,
 507     DW_OP_lit21 = 0x45,
 508     DW_OP_lit22 = 0x46,
 509     DW_OP_lit23 = 0x47,
 510     DW_OP_lit24 = 0x48,
 511     DW_OP_lit25 = 0x49,
 512     DW_OP_lit26 = 0x4a,
 513     DW_OP_lit27 = 0x4b,
 514     DW_OP_lit28 = 0x4c,
 515     DW_OP_lit29 = 0x4d,
 516     DW_OP_lit30 = 0x4e,
 517     DW_OP_lit31 = 0x4f,
 518     DW_OP_reg0 = 0x50,
 519     DW_OP_reg1 = 0x51,
 520     DW_OP_reg2 = 0x52,
 521     DW_OP_reg3 = 0x53,
 522     DW_OP_reg4 = 0x54,
 523     DW_OP_reg5 = 0x55,
 524     DW_OP_reg6 = 0x56,
 525     DW_OP_reg7 = 0x57,
 526     DW_OP_reg8 = 0x58,
 527     DW_OP_reg9 = 0x59,
 528     DW_OP_reg10 = 0x5a,
 529     DW_OP_reg11 = 0x5b,
 530     DW_OP_reg12 = 0x5c,
 531     DW_OP_reg13 = 0x5d,
 532     DW_OP_reg14 = 0x5e,
 533     DW_OP_reg15 = 0x5f,
 534     DW_OP_reg16 = 0x60,
 535     DW_OP_reg17 = 0x61,
 536     DW_OP_reg18 = 0x62,
 537     DW_OP_reg19 = 0x63,
 538     DW_OP_reg20 = 0x64,
 539     DW_OP_reg21 = 0x65,
 540     DW_OP_reg22 = 0x66,
 541     DW_OP_reg23 = 0x67,
 542     DW_OP_reg24 = 0x68,
 543     DW_OP_reg25 = 0x69,
 544     DW_OP_reg26 = 0x6a,
 545     DW_OP_reg27 = 0x6b,
 546     DW_OP_reg28 = 0x6c,
 547     DW_OP_reg29 = 0x6d,
 548     DW_OP_reg30 = 0x6e,
 549     DW_OP_reg31 = 0x6f,
 550     DW_OP_breg0 = 0x70,
 551     DW_OP_breg1 = 0x71,
 552     DW_OP_breg2 = 0x72,
 553     DW_OP_breg3 = 0x73,
 554     DW_OP_breg4 = 0x74,
 555     DW_OP_breg5 = 0x75,
 556     DW_OP_breg6 = 0x76,
 557     DW_OP_breg7 = 0x77,
 558     DW_OP_breg8 = 0x78,
 559     DW_OP_breg9 = 0x79,
 560     DW_OP_breg10 = 0x7a,
 561     DW_OP_breg11 = 0x7b,
 562     DW_OP_breg12 = 0x7c,
 563     DW_OP_breg13 = 0x7d,
 564     DW_OP_breg14 = 0x7e,
 565     DW_OP_breg15 = 0x7f,
 566     DW_OP_breg16 = 0x80,
 567     DW_OP_breg17 = 0x81,
 568     DW_OP_breg18 = 0x82,
 569     DW_OP_breg19 = 0x83,
 570     DW_OP_breg20 = 0x84,
 571     DW_OP_breg21 = 0x85,
 572     DW_OP_breg22 = 0x86,
 573     DW_OP_breg23 = 0x87,
 574     DW_OP_breg24 = 0x88,
 575     DW_OP_breg25 = 0x89,
 576     DW_OP_breg26 = 0x8a,
 577     DW_OP_breg27 = 0x8b,
 578     DW_OP_breg28 = 0x8c,
 579     DW_OP_breg29 = 0x8d,
 580     DW_OP_breg30 = 0x8e,
 581     DW_OP_breg31 = 0x8f,
 582     DW_OP_regx = 0x90,
 583     DW_OP_fbreg = 0x91,
 584     DW_OP_bregx = 0x92,
 585     DW_OP_piece = 0x93,
 586     DW_OP_deref_size = 0x94,
 587     DW_OP_xderef_size = 0x95,
 588     DW_OP_nop = 0x96,
 589     /* DWARF 3 extensions.  */
 590     DW_OP_push_object_address = 0x97,
 591     DW_OP_call2 = 0x98,
 592     DW_OP_call4 = 0x99,
 593     DW_OP_call_ref = 0x9a,
 594     DW_OP_form_tls_address = 0x9b,
 595     DW_OP_call_frame_cfa = 0x9c,
 596     DW_OP_bit_piece = 0x9d,
 597
 598     /* DWARF 4 extensions.  */
 599     DW_OP_implicit_value = 0x9e,
 600     DW_OP_stack_value = 0x9f,
 601
 602     DW_OP_lo_user = 0xe0,       /* Implementation-defined range start.  */
 603     DW_OP_hi_user = 0xff,       /* Implementation-defined range end.  */
 604
 605     /* GNU extensions.  */
 606     DW_OP_GNU_push_tls_address = 0xe0,
 607     /* The following is for marking variables that are uninitialized.  */
 608     DW_OP_GNU_uninit     = 0xf0,
 609     DW_OP_GNU_encoded_addr = 0xf1,
 610     /* HP extensions.  */
 611     DW_OP_HP_unknown     = 0xe0, /* Ouch, the same as GNU_push_tls_address.  */
 612     DW_OP_HP_is_value    = 0xe1,
 613     DW_OP_HP_fltconst4   = 0xe2,
 614     DW_OP_HP_fltconst8   = 0xe3,
 615     DW_OP_HP_mod_range   = 0xe4,
 616     DW_OP_HP_unmod_range = 0xe5,
 617     DW_OP_HP_tls         = 0xe6,
 618     /* PGI (STMicroelectronics) extensions.  */
 619     DW_OP_PGI_omp_thread_num = 0xf8
 620   };
 621
 622 /* Type encodings.  */
 623 enum dwarf_type
 624   {
 625     DW_ATE_void = 0x0,
 626     DW_ATE_address = 0x1,
 627     DW_ATE_boolean = 0x2,
 628     DW_ATE_complex_float = 0x3,
 629     DW_ATE_float = 0x4,
 630     DW_ATE_signed = 0x5,
 631     DW_ATE_signed_char = 0x6,
 632     DW_ATE_unsigned = 0x7,
 633     DW_ATE_unsigned_char = 0x8,
 634     /* DWARF 3.  */
 635     DW_ATE_imaginary_float = 0x9,
 636     DW_ATE_packed_decimal = 0xa,
 637     DW_ATE_numeric_string = 0xb,
 638     DW_ATE_edited = 0xc,
 639     DW_ATE_signed_fixed = 0xd,
 640     DW_ATE_unsigned_fixed = 0xe,
 641     DW_ATE_decimal_float = 0xf,
 642
 643     DW_ATE_lo_user = 0x80,
 644     DW_ATE_hi_user = 0xff,
 645
 646     /* HP extensions.  */
 647     DW_ATE_HP_float80            = 0x80, /* Floating-point (80 bit).  */
 648     DW_ATE_HP_complex_float80    = 0x81, /* Complex floating-point (80 bit).  */
 649     DW_ATE_HP_float128           = 0x82, /* Floating-point (128 bit).  */
 650     DW_ATE_HP_complex_float128   = 0x83, /* Complex floating-point (128 bit).  */
 651     DW_ATE_HP_floathpintel       = 0x84, /* Floating-point (82 bit IA64).  */
 652     DW_ATE_HP_imaginary_float80  = 0x85,
 653     DW_ATE_HP_imaginary_float128 = 0x86
 654   };
 655
 656 /* Decimal sign encodings.  */
 657 enum dwarf_decimal_sign_encoding
 658   {
 659     /* DWARF 3.  */
 660     DW_DS_unsigned = 0x01,
 661     DW_DS_leading_overpunch = 0x02,
 662     DW_DS_trailing_overpunch = 0x03,
 663     DW_DS_leading_separate = 0x04,
 664     DW_DS_trailing_separate = 0x05
 665   };
 666
 667 /* Endianity encodings.  */
 668 enum dwarf_endianity_encoding
 669   {
 670     /* DWARF 3.  */
 671     DW_END_default = 0x00,
 672     DW_END_big = 0x01,
 673     DW_END_little = 0x02,
 674
 675     DW_END_lo_user = 0x40,
 676     DW_END_hi_user = 0xff
 677   };
 678
 679 /* Array ordering names and codes.  */
 680 enum dwarf_array_dim_ordering
 681   {
 682     DW_ORD_row_major = 0,
 683     DW_ORD_col_major = 1
 684   };
 685
 686 /* Access attribute.  */
 687 enum dwarf_access_attribute
 688   {
 689     DW_ACCESS_public = 1,
 690     DW_ACCESS_protected = 2,
 691     DW_ACCESS_private = 3
 692   };
 693
 694 /* Visibility.  */
 695 enum dwarf_visibility_attribute
 696   {
 697     DW_VIS_local = 1,
 698     DW_VIS_exported = 2,
 699     DW_VIS_qualified = 3
 700   };
 701
 702 /* Virtuality.  */
 703 enum dwarf_virtuality_attribute
 704   {
 705     DW_VIRTUALITY_none = 0,
 706     DW_VIRTUALITY_virtual = 1,
 707     DW_VIRTUALITY_pure_virtual = 2
 708   };
 709
 710 /* Case sensitivity.  */
 711 enum dwarf_id_case
 712   {
 713     DW_ID_case_sensitive = 0,
 714     DW_ID_up_case = 1,
 715     DW_ID_down_case = 2,
 716     DW_ID_case_insensitive = 3
 717   };
 718
 719 /* Calling convention.  */
 720 enum dwarf_calling_convention
 721   {
 722     DW_CC_normal = 0x1,
 723     DW_CC_program = 0x2,
 724     DW_CC_nocall = 0x3,
 725
 726     DW_CC_lo_user = 0x40,
 727     DW_CC_hi_user = 0xff,
 728
 729     DW_CC_GNU_renesas_sh = 0x40,
 730     DW_CC_GNU_borland_fastcall_i386 = 0x41
 731   };
 732
 733 /* Inline attribute.  */
 734 enum dwarf_inline_attribute
 735   {
 736     DW_INL_not_inlined = 0,
 737     DW_INL_inlined = 1,
 738     DW_INL_declared_not_inlined = 2,
 739     DW_INL_declared_inlined = 3
 740   };
 741
 742 /* Discriminant lists.  */
 743 enum dwarf_discrim_list
 744   {
 745     DW_DSC_label = 0,
 746     DW_DSC_range = 1
 747   };
 748
 749 /* Line number opcodes.  */
 750 enum dwarf_line_number_ops
 751   {
 752     DW_LNS_extended_op = 0,
 753     DW_LNS_copy = 1,
 754     DW_LNS_advance_pc = 2,
 755     DW_LNS_advance_line = 3,
 756     DW_LNS_set_file = 4,
 757     DW_LNS_set_column = 5,
 758     DW_LNS_negate_stmt = 6,
 759     DW_LNS_set_basic_block = 7,
 760     DW_LNS_const_add_pc = 8,
 761     DW_LNS_fixed_advance_pc = 9,
 762     /* DWARF 3.  */
 763     DW_LNS_set_prologue_end = 10,
 764     DW_LNS_set_epilogue_begin = 11,
 765     DW_LNS_set_isa = 12
 766   };
 767
 768 /* Line number extended opcodes.  */
 769 enum dwarf_line_number_x_ops
 770   {
 771     DW_LNE_end_sequence = 1,
 772     DW_LNE_set_address = 2,
 773     DW_LNE_define_file = 3,
 774     DW_LNE_set_discriminator = 4,
 775     /* HP extensions.  */
 776     DW_LNE_HP_negate_is_UV_update      = 0x11,
 777     DW_LNE_HP_push_context             = 0x12,
 778     DW_LNE_HP_pop_context              = 0x13,
 779     DW_LNE_HP_set_file_line_column     = 0x14,
 780     DW_LNE_HP_set_routine_name         = 0x15,
 781     DW_LNE_HP_set_sequence             = 0x16,
 782     DW_LNE_HP_negate_post_semantics    = 0x17,
 783     DW_LNE_HP_negate_function_exit     = 0x18,
 784     DW_LNE_HP_negate_front_end_logical = 0x19,
 785     DW_LNE_HP_define_proc              = 0x20,
 786
 787     DW_LNE_lo_user = 0x80,
 788     DW_LNE_hi_user = 0xff
 789   };
 790
 791 /* Call frame information.  */
 792 enum dwarf_call_frame_info
 793   {
 794     DW_CFA_advance_loc = 0x40,
 795     DW_CFA_offset = 0x80,
 796     DW_CFA_restore = 0xc0,
 797     DW_CFA_nop = 0x00,
 798     DW_CFA_set_loc = 0x01,
 799     DW_CFA_advance_loc1 = 0x02,
 800     DW_CFA_advance_loc2 = 0x03,
 801     DW_CFA_advance_loc4 = 0x04,
 802     DW_CFA_offset_extended = 0x05,
 803     DW_CFA_restore_extended = 0x06,
 804     DW_CFA_undefined = 0x07,
 805     DW_CFA_same_value = 0x08,
 806     DW_CFA_register = 0x09,
 807     DW_CFA_remember_state = 0x0a,
 808     DW_CFA_restore_state = 0x0b,
 809     DW_CFA_def_cfa = 0x0c,
 810     DW_CFA_def_cfa_register = 0x0d,
 811     DW_CFA_def_cfa_offset = 0x0e,
 812     /* DWARF 3.  */
 813     DW_CFA_def_cfa_expression = 0x0f,
 814     DW_CFA_expression = 0x10,
 815     DW_CFA_offset_extended_sf = 0x11,
 816     DW_CFA_def_cfa_sf = 0x12,
 817     DW_CFA_def_cfa_offset_sf = 0x13,
 818     DW_CFA_val_offset = 0x14,
 819     DW_CFA_val_offset_sf = 0x15,
 820     DW_CFA_val_expression = 0x16,
 821
 822     DW_CFA_lo_user = 0x1c,
 823     DW_CFA_hi_user = 0x3f,
 824
 825     /* SGI/MIPS specific.  */
 826     DW_CFA_MIPS_advance_loc8 = 0x1d,
 827     /* GNU extensions.  */
 828     DW_CFA_GNU_window_save = 0x2d,
 829     DW_CFA_GNU_args_size = 0x2e,
 830     DW_CFA_GNU_negative_offset_extended = 0x2f
 831   };
 832
 833 #define DW_CIE_ID         0xffffffff
 834 #define DW64_CIE_ID       0xffffffffffffffffULL
 835 #define DW_CIE_VERSION    1
 836
 837 #define DW_CFA_extended   0
 838
 839 #define DW_CHILDREN_no               0x00
 840 #define DW_CHILDREN_yes              0x01
 841
 842 #define DW_ADDR_none            0
 843
 844 /* Source language names and codes.  */
 845 enum dwarf_source_language
 846   {
 847     DW_LANG_C89 = 0x0001,
 848     DW_LANG_C = 0x0002,
 849     DW_LANG_Ada83 = 0x0003,
 850     DW_LANG_C_plus_plus = 0x0004,
 851     DW_LANG_Cobol74 = 0x0005,
 852     DW_LANG_Cobol85 = 0x0006,
 853     DW_LANG_Fortran77 = 0x0007,
 854     DW_LANG_Fortran90 = 0x0008,
 855     DW_LANG_Pascal83 = 0x0009,
 856     DW_LANG_Modula2 = 0x000a,
 857     /* DWARF 3.  */
 858     DW_LANG_Java = 0x000b,
 859     DW_LANG_C99 = 0x000c,
 860     DW_LANG_Ada95 = 0x000d,
 861     DW_LANG_Fortran95 = 0x000e,
 862     DW_LANG_PLI = 0x000f,
 863     DW_LANG_ObjC = 0x0010,
 864     DW_LANG_ObjC_plus_plus = 0x0011,
 865     DW_LANG_UPC = 0x0012,
 866     DW_LANG_D = 0x0013,
 867     /* DWARF 4.  */
 868     DW_LANG_Python = 0x0014,
 869
 870     DW_LANG_lo_user = 0x8000,   /* Implementation-defined range start.  */
 871     DW_LANG_hi_user = 0xffff,   /* Implementation-defined range start.  */
 872
 873     /* MIPS.  */
 874     DW_LANG_Mips_Assembler = 0x8001,
 875     /* UPC.  */
 876     DW_LANG_Upc = 0x8765
 877   };
 878
 879 /* Names and codes for macro information.  */
 880 enum dwarf_macinfo_record_type
 881   {
 882     DW_MACINFO_define = 1,
 883     DW_MACINFO_undef = 2,
 884     DW_MACINFO_start_file = 3,
 885     DW_MACINFO_end_file = 4,
 886     DW_MACINFO_vendor_ext = 255
 887   };
 888 \f
 889 /* @@@ For use with GNU frame unwind information.  */
 890
 891 #define DW_EH_PE_absptr         0x00
 892 #define DW_EH_PE_omit           0xff
 893
 894 #define DW_EH_PE_uleb128        0x01
 895 #define DW_EH_PE_udata2         0x02
 896 #define DW_EH_PE_udata4         0x03
 897 #define DW_EH_PE_udata8         0x04
 898 #define DW_EH_PE_sleb128        0x09
 899 #define DW_EH_PE_sdata2         0x0A
 900 #define DW_EH_PE_sdata4         0x0B
 901 #define DW_EH_PE_sdata8         0x0C
 902 #define DW_EH_PE_signed         0x08
 903
 904 #define DW_EH_PE_pcrel          0x10
 905 #define DW_EH_PE_textrel        0x20
 906 #define DW_EH_PE_datarel        0x30
 907 #define DW_EH_PE_funcrel        0x40
 908 #define DW_EH_PE_aligned        0x50
 909
 910 #define DW_EH_PE_indirect       0x80
 911
 912 #endif /* _ELF_DWARF2_H */