include/dwarf2.h

   1 /* Declarations and definitions of codes relating to the DWARF2 and
   2    DWARF3 symbolic debugging information formats.
   3    Copyright (C) 1992-2024 Free Software Foundation, Inc.
   4
   5    Written by Gary Funck (gary@intrepid.com) The Ada Joint Program
   6    Office (AJPO), Florida State University and Silicon Graphics Inc.
   7    provided support for this effort -- June 21, 1995.
   8
   9    Derived from the DWARF 1 implementation written by Ron Guilmette
  10    (rfg@netcom.com), November 1990.
  11
  12    This file is part of GCC.
  13
  14    GCC is free software; you can redistribute it and/or modify it under
  15    the terms of the GNU General Public License as published by the Free
  16    Software Foundation; either version 3, or (at your option) any later
  17    version.
  18
  19    GCC is distributed in the hope that it will be useful, but WITHOUT
  20    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  21    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  22    License for more details.
  23
  24    Under Section 7 of GPL version 3, you are granted additional
  25    permissions described in the GCC Runtime Library Exception, version
  26    3.1, as published by the Free Software Foundation.
  27
  28    You should have received a copy of the GNU General Public License and
  29    a copy of the GCC Runtime Library Exception along with this program;
  30    see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  31    <http://www.gnu.org/licenses/>.  */
  32
  33 /* This file is derived from the DWARF specification (a public document)
  34    Revision 2.0.0 (July 27, 1993) developed by the UNIX International
  35    Programming Languages Special Interest Group (UI/PLSIG) and distributed
  36    by UNIX International.  Copies of this specification are available from
  37    UNIX International, 20 Waterview Boulevard, Parsippany, NJ, 07054.
  38
  39    This file also now contains definitions from the DWARF 3 specification
  40    published Dec 20, 2005, available from: http://dwarf.freestandards.org.  */
  41
  42 #ifndef _DWARF2_H
  43 #define _DWARF2_H
  44
  45 #define DW_TAG(name, value) , name = value
  46 #define DW_TAG_DUP(name, value) , name = value
  47 #define DW_FORM(name, value) , name = value
  48 #define DW_AT(name, value) , name = value
  49 #define DW_AT_DUP(name, value) , name = value
  50 #define DW_OP(name, value) , name = value
  51 #define DW_OP_DUP(name, value) , name = value
  52 #define DW_ATE(name, value) , name = value
  53 #define DW_ATE_DUP(name, value) , name = value
  54 #define DW_CFA(name, value) , name = value
  55 #define DW_CFA_DUP(name, value) , name = value
  56 #define DW_IDX(name, value) , name = value
  57 #define DW_IDX_DUP(name, value) , name = value
  58 #define DW_UT(name, value) , name = value
  59
  60 #define DW_FIRST_TAG(name, value) enum dwarf_tag { \
  61   name = value
  62 #define DW_END_TAG };
  63 #define DW_FIRST_FORM(name, value) enum dwarf_form { \
  64   name = value
  65 #define DW_END_FORM };
  66 #define DW_FIRST_AT(name, value) enum dwarf_attribute { \
  67   name = value
  68 #define DW_END_AT };
  69 #define DW_FIRST_OP(name, value) enum dwarf_location_atom { \
  70   name = value
  71 #define DW_END_OP };
  72 #define DW_FIRST_ATE(name, value) enum dwarf_type { \
  73   name = value
  74 #define DW_END_ATE };
  75 #ifdef __cplusplus
  76 #define DW_FIRST_CFA(name, value) enum dwarf_call_frame_info: int { \
  77   name = value
  78 #else
  79 #define DW_FIRST_CFA(name, value) enum dwarf_call_frame_info { \
  80   name = value
  81 #endif
  82 #define DW_END_CFA };
  83 #define DW_FIRST_IDX(name, value) enum dwarf_name_index_attribute { \
  84   name = value
  85 #define DW_END_IDX };
  86 #define DW_FIRST_UT(name, value) enum dwarf_unit_type { \
  87   name = value
  88 #define DW_END_UT };
  89
  90 #include "dwarf2.def"
  91
  92 #undef DW_FIRST_TAG
  93 #undef DW_END_TAG
  94 #undef DW_FIRST_FORM
  95 #undef DW_END_FORM
  96 #undef DW_FIRST_AT
  97 #undef DW_END_AT
  98 #undef DW_FIRST_OP
  99 #undef DW_END_OP
 100 #undef DW_FIRST_ATE
 101 #undef DW_END_ATE
 102 #undef DW_FIRST_CFA
 103 #undef DW_END_CFA
 104 #undef DW_FIRST_IDX
 105 #undef DW_END_IDX
 106 #undef DW_FIRST_UT
 107 #undef DW_END_UT
 108
 109 #undef DW_TAG
 110 #undef DW_TAG_DUP
 111 #undef DW_FORM
 112 #undef DW_AT
 113 #undef DW_AT_DUP
 114 #undef DW_OP
 115 #undef DW_OP_DUP
 116 #undef DW_ATE
 117 #undef DW_ATE_DUP
 118 #undef DW_CFA
 119 #undef DW_CFA_DUP
 120 #undef DW_IDX
 121 #undef DW_IDX_DUP
 122 #undef DW_UT
 123
 124 /* Flag that tells whether entry has a child or not.  */
 125 #define DW_children_no   0
 126 #define DW_children_yes  1
 127
 128 #define DW_AT_stride_size   DW_AT_bit_stride  /* Note: The use of DW_AT_stride_size is deprecated.  */
 129 #define DW_AT_stride   DW_AT_byte_stride  /* Note: The use of DW_AT_stride is deprecated.  */
 130
 131 /* Decimal sign encodings.  */
 132 enum dwarf_decimal_sign_encoding
 133   {
 134     /* DWARF 3.  */
 135     DW_DS_unsigned = 0x01,
 136     DW_DS_leading_overpunch = 0x02,
 137     DW_DS_trailing_overpunch = 0x03,
 138     DW_DS_leading_separate = 0x04,
 139     DW_DS_trailing_separate = 0x05
 140   };
 141
 142 /* Endianity encodings.  */
 143 enum dwarf_endianity_encoding
 144   {
 145     /* DWARF 3.  */
 146     DW_END_default = 0x00,
 147     DW_END_big = 0x01,
 148     DW_END_little = 0x02,
 149
 150     DW_END_lo_user = 0x40,
 151     DW_END_hi_user = 0xff
 152   };
 153
 154 /* Array ordering names and codes.  */
 155 enum dwarf_array_dim_ordering
 156   {
 157     DW_ORD_row_major = 0,
 158     DW_ORD_col_major = 1
 159   };
 160
 161 /* Access attribute.  */
 162 enum dwarf_access_attribute
 163   {
 164     DW_ACCESS_public = 1,
 165     DW_ACCESS_protected = 2,
 166     DW_ACCESS_private = 3
 167   };
 168
 169 /* Visibility.  */
 170 enum dwarf_visibility_attribute
 171   {
 172     DW_VIS_local = 1,
 173     DW_VIS_exported = 2,
 174     DW_VIS_qualified = 3
 175   };
 176
 177 /* Virtuality.  */
 178 enum dwarf_virtuality_attribute
 179   {
 180     DW_VIRTUALITY_none = 0,
 181     DW_VIRTUALITY_virtual = 1,
 182     DW_VIRTUALITY_pure_virtual = 2
 183   };
 184
 185 /* Case sensitivity.  */
 186 enum dwarf_id_case
 187   {
 188     DW_ID_case_sensitive = 0,
 189     DW_ID_up_case = 1,
 190     DW_ID_down_case = 2,
 191     DW_ID_case_insensitive = 3
 192   };
 193
 194 /* Calling convention.  */
 195 enum dwarf_calling_convention
 196   {
 197     DW_CC_normal = 0x1,
 198     DW_CC_program = 0x2,
 199     DW_CC_nocall = 0x3,
 200
 201     /* DWARF 5.  */
 202     DW_CC_pass_by_reference = 0x4,
 203     DW_CC_pass_by_value = 0x5,
 204
 205     DW_CC_lo_user = 0x40,
 206     DW_CC_hi_user = 0xff,
 207
 208     DW_CC_GNU_renesas_sh = 0x40,
 209     DW_CC_GNU_borland_fastcall_i386 = 0x41,
 210
 211     /* This DW_CC_ value is not currently generated by any toolchain.  It is
 212        used internally to GDB to indicate OpenCL C functions that have been
 213        compiled with the IBM XL C for OpenCL compiler and use a non-platform
 214        calling convention for passing OpenCL C vector types.  This value may
 215        be changed freely as long as it does not conflict with any other DW_CC_
 216        value defined here.  */
 217     DW_CC_GDB_IBM_OpenCL = 0xff
 218   };
 219
 220 /* Inline attribute.  */
 221 enum dwarf_inline_attribute
 222   {
 223     DW_INL_not_inlined = 0,
 224     DW_INL_inlined = 1,
 225     DW_INL_declared_not_inlined = 2,
 226     DW_INL_declared_inlined = 3
 227   };
 228
 229 /* Discriminant lists.  */
 230 enum dwarf_discrim_list
 231   {
 232     DW_DSC_label = 0,
 233     DW_DSC_range = 1
 234   };
 235
 236 /* Line number opcodes.  */
 237 enum dwarf_line_number_ops
 238   {
 239     DW_LNS_extended_op = 0,
 240     DW_LNS_copy = 1,
 241     DW_LNS_advance_pc = 2,
 242     DW_LNS_advance_line = 3,
 243     DW_LNS_set_file = 4,
 244     DW_LNS_set_column = 5,
 245     DW_LNS_negate_stmt = 6,
 246     DW_LNS_set_basic_block = 7,
 247     DW_LNS_const_add_pc = 8,
 248     DW_LNS_fixed_advance_pc = 9,
 249     /* DWARF 3.  */
 250     DW_LNS_set_prologue_end = 10,
 251     DW_LNS_set_epilogue_begin = 11,
 252     DW_LNS_set_isa = 12
 253   };
 254
 255 /* Line number extended opcodes.  */
 256 enum dwarf_line_number_x_ops
 257   {
 258     DW_LNE_end_sequence = 1,
 259     DW_LNE_set_address = 2,
 260     DW_LNE_define_file = 3,
 261     DW_LNE_set_discriminator = 4,
 262     /* HP extensions.  */
 263     DW_LNE_HP_negate_is_UV_update      = 0x11,
 264     DW_LNE_HP_push_context             = 0x12,
 265     DW_LNE_HP_pop_context              = 0x13,
 266     DW_LNE_HP_set_file_line_column     = 0x14,
 267     DW_LNE_HP_set_routine_name         = 0x15,
 268     DW_LNE_HP_set_sequence             = 0x16,
 269     DW_LNE_HP_negate_post_semantics    = 0x17,
 270     DW_LNE_HP_negate_function_exit     = 0x18,
 271     DW_LNE_HP_negate_front_end_logical = 0x19,
 272     DW_LNE_HP_define_proc              = 0x20,
 273     DW_LNE_HP_source_file_correlation  = 0x80,
 274
 275     DW_LNE_lo_user = 0x80,
 276     DW_LNE_hi_user = 0xff
 277   };
 278
 279 /* Sub-opcodes for DW_LNE_HP_source_file_correlation.  */
 280 enum dwarf_line_number_hp_sfc_ops
 281   {
 282     DW_LNE_HP_SFC_formfeed = 1,
 283     DW_LNE_HP_SFC_set_listing_line = 2,
 284     DW_LNE_HP_SFC_associate = 3
 285   };
 286
 287 /* Content type codes in line table directory_entry_format
 288    and file_name_entry_format sequences.  */
 289 enum dwarf_line_number_content_type
 290   {
 291     DW_LNCT_path = 0x1,
 292     DW_LNCT_directory_index = 0x2,
 293     DW_LNCT_timestamp = 0x3,
 294     DW_LNCT_size = 0x4,
 295     DW_LNCT_MD5 = 0x5,
 296     DW_LNCT_lo_user = 0x2000,
 297     DW_LNCT_hi_user = 0x3fff
 298   };
 299
 300 /* Type codes for location list entries.  */
 301 enum dwarf_location_list_entry_type
 302   {
 303     DW_LLE_end_of_list = 0x00,
 304     DW_LLE_base_addressx = 0x01,
 305     DW_LLE_startx_endx = 0x02,
 306     DW_LLE_startx_length = 0x03,
 307     DW_LLE_offset_pair = 0x04,
 308     DW_LLE_default_location = 0x05,
 309     DW_LLE_base_address = 0x06,
 310     DW_LLE_start_end = 0x07,
 311     DW_LLE_start_length = 0x08,
 312
 313     /* <http://lists.dwarfstd.org/private.cgi/dwarf-discuss-dwarfstd.org/2017-April/004347.html>
 314        has the proposal for now; only available to list members.
 315
 316        A (possibly updated) copy of the proposal is available at
 317        <http://people.redhat.com/aoliva/papers/sfn/dwarf6-sfn-lvu.txt>.  */
 318     DW_LLE_GNU_view_pair = 0x09,
 319 #define DW_LLE_view_pair DW_LLE_GNU_view_pair
 320
 321     /* Former extension for Fission.
 322        See http://gcc.gnu.org/wiki/DebugFission.  */
 323     DW_LLE_GNU_end_of_list_entry = 0x00,
 324     DW_LLE_GNU_base_address_selection_entry = 0x01,
 325     DW_LLE_GNU_start_end_entry = 0x02,
 326     DW_LLE_GNU_start_length_entry = 0x03
 327   };
 328
 329 #define DW_CIE_ID         0xffffffff
 330 #define DW64_CIE_ID       0xffffffffffffffffULL
 331
 332 #define DW_CFA_extended   0
 333
 334 #define DW_CHILDREN_no               0x00
 335 #define DW_CHILDREN_yes              0x01
 336
 337 #define DW_ADDR_none            0
 338
 339 /* Source language names and codes.  */
 340 enum dwarf_source_language
 341   {
 342     DW_LANG_C89 = 0x0001,
 343     DW_LANG_C = 0x0002,
 344     DW_LANG_Ada83 = 0x0003,
 345     DW_LANG_C_plus_plus = 0x0004,
 346     DW_LANG_Cobol74 = 0x0005,
 347     DW_LANG_Cobol85 = 0x0006,
 348     DW_LANG_Fortran77 = 0x0007,
 349     DW_LANG_Fortran90 = 0x0008,
 350     DW_LANG_Pascal83 = 0x0009,
 351     DW_LANG_Modula2 = 0x000a,
 352     /* DWARF 3.  */
 353     DW_LANG_Java = 0x000b,
 354     DW_LANG_C99 = 0x000c,
 355     DW_LANG_Ada95 = 0x000d,
 356     DW_LANG_Fortran95 = 0x000e,
 357     DW_LANG_PLI = 0x000f,
 358     DW_LANG_ObjC = 0x0010,
 359     DW_LANG_ObjC_plus_plus = 0x0011,
 360     DW_LANG_UPC = 0x0012,
 361     DW_LANG_D = 0x0013,
 362     /* DWARF 4.  */
 363     DW_LANG_Python = 0x0014,
 364     /* DWARF 5.  */
 365     DW_LANG_OpenCL = 0x0015,
 366     DW_LANG_Go = 0x0016,
 367     DW_LANG_Modula3 = 0x0017,
 368     DW_LANG_Haskell = 0x0018,
 369     DW_LANG_C_plus_plus_03 = 0x0019,
 370     DW_LANG_C_plus_plus_11 = 0x001a,
 371     DW_LANG_OCaml = 0x001b,
 372     DW_LANG_Rust = 0x001c,
 373     DW_LANG_C11 = 0x001d,
 374     DW_LANG_Swift = 0x001e,
 375     DW_LANG_Julia = 0x001f,
 376     DW_LANG_Dylan = 0x0020,
 377     DW_LANG_C_plus_plus_14 = 0x0021,
 378     DW_LANG_Fortran03 = 0x0022,
 379     DW_LANG_Fortran08 = 0x0023,
 380     DW_LANG_RenderScript = 0x0024,
 381     DW_LANG_BLISS = 0x0025,
 382     /* Post DWARF 5 additions to the DWARF set.
 383        See https://dwarfstd.org/languages.html .  */
 384     DW_LANG_Kotlin = 0x0026,
 385     DW_LANG_Zig = 0x0027,
 386     DW_LANG_Crystal = 0x0028,
 387     DW_LANG_C_plus_plus_17 = 0x002a,
 388     DW_LANG_C_plus_plus_20 = 0x002b,
 389     DW_LANG_C17 = 0x002c,
 390     DW_LANG_Fortran18 = 0x002d,
 391     DW_LANG_Ada2005 = 0x002e,
 392     DW_LANG_Ada2012 = 0x002f,
 393     DW_LANG_HIP = 0x0030,
 394     DW_LANG_Assembly = 0x0031,
 395     DW_LANG_C_sharp = 0x0032,
 396     DW_LANG_Mojo = 0x0033,
 397     DW_LANG_GLSL = 0x0034,
 398     DW_LANG_GLSL_ES = 0x0035,
 399     DW_LANG_HLSL = 0x0036,
 400     DW_LANG_OpenCL_CPP = 0x0037,
 401     DW_LANG_CPP_for_OpenCL = 0x0038,
 402     DW_LANG_SYCL = 0x0039,
 403     DW_LANG_C_plus_plus_23 = 0x003a,
 404     DW_LANG_Odin = 0x003b,
 405     DW_LANG_P4 = 0x003c,
 406     DW_LANG_Metal = 0x003d,
 407     DW_LANG_C23 = 0x003e,
 408     DW_LANG_Fortran23 = 0x003f,
 409     DW_LANG_Ruby = 0x0040,
 410     DW_LANG_Move = 0x0041,
 411     DW_LANG_Hylo = 0x0042,
 412
 413     DW_LANG_lo_user = 0x8000,   /* Implementation-defined range start.  */
 414     DW_LANG_hi_user = 0xffff,   /* Implementation-defined range start.  */
 415
 416     /* MIPS.  */
 417     DW_LANG_Mips_Assembler = 0x8001,
 418     /* UPC.  */
 419     DW_LANG_Upc = 0x8765,
 420     /* HP extensions.  */
 421     DW_LANG_HP_Bliss     = 0x8003,
 422     DW_LANG_HP_Basic91   = 0x8004,
 423     DW_LANG_HP_Pascal91  = 0x8005,
 424     DW_LANG_HP_IMacro    = 0x8006,
 425     DW_LANG_HP_Assembler = 0x8007,
 426
 427     /* Rust extension, but replaced in DWARF 5.  */
 428     DW_LANG_Rust_old = 0x9000
 429   };
 430
 431 /* Names and codes for macro information.  */
 432 enum dwarf_macinfo_record_type
 433   {
 434     DW_MACINFO_define = 1,
 435     DW_MACINFO_undef = 2,
 436     DW_MACINFO_start_file = 3,
 437     DW_MACINFO_end_file = 4,
 438     DW_MACINFO_vendor_ext = 255
 439   };
 440
 441 /* DW_TAG_defaulted/DW_TAG_GNU_defaulted attributes.  */
 442 enum dwarf_defaulted_attribute
 443   {
 444     DW_DEFAULTED_no = 0x00,
 445     DW_DEFAULTED_in_class = 0x01,
 446     DW_DEFAULTED_out_of_class = 0x02
 447   };
 448
 449 /* Names and codes for new style macro information.  */
 450 enum dwarf_macro_record_type
 451   {
 452     DW_MACRO_define = 0x01,
 453     DW_MACRO_undef = 0x02,
 454     DW_MACRO_start_file = 0x03,
 455     DW_MACRO_end_file = 0x04,
 456     DW_MACRO_define_strp = 0x05,
 457     DW_MACRO_undef_strp = 0x06,
 458     DW_MACRO_import = 0x07,
 459     DW_MACRO_define_sup = 0x08,
 460     DW_MACRO_undef_sup = 0x09,
 461     DW_MACRO_import_sup = 0x0a,
 462     DW_MACRO_define_strx = 0x0b,
 463     DW_MACRO_undef_strx = 0x0c,
 464     DW_MACRO_lo_user = 0xe0,
 465     DW_MACRO_hi_user = 0xff,
 466
 467     /* Compatibility macros for the GNU .debug_macro extension.  */
 468     DW_MACRO_GNU_define = 0x01,
 469     DW_MACRO_GNU_undef = 0x02,
 470     DW_MACRO_GNU_start_file = 0x03,
 471     DW_MACRO_GNU_end_file = 0x04,
 472     DW_MACRO_GNU_define_indirect = 0x05,
 473     DW_MACRO_GNU_undef_indirect = 0x06,
 474     DW_MACRO_GNU_transparent_include = 0x07,
 475     /* Extensions for DWZ multifile.
 476        See http://www.dwarfstd.org/ShowIssue.php?issue=120604.1&type=open .  */
 477     DW_MACRO_GNU_define_indirect_alt = 0x08,
 478     DW_MACRO_GNU_undef_indirect_alt = 0x09,
 479     DW_MACRO_GNU_transparent_include_alt = 0x0a,
 480     DW_MACRO_GNU_lo_user = 0xe0,
 481     DW_MACRO_GNU_hi_user = 0xff
 482   };
 483
 484 /* Range list entry kinds in .debug_rnglists* section.  */
 485 enum dwarf_range_list_entry
 486   {
 487     DW_RLE_end_of_list = 0x00,
 488     DW_RLE_base_addressx = 0x01,
 489     DW_RLE_startx_endx = 0x02,
 490     DW_RLE_startx_length = 0x03,
 491     DW_RLE_offset_pair = 0x04,
 492     DW_RLE_base_address = 0x05,
 493     DW_RLE_start_end = 0x06,
 494     DW_RLE_start_length = 0x07
 495   };
 496 \f
 497 /* @@@ For use with GNU frame unwind information.  */
 498
 499 #define DW_EH_PE_absptr         0x00
 500 #define DW_EH_PE_omit           0xff
 501
 502 #define DW_EH_PE_uleb128        0x01
 503 #define DW_EH_PE_udata2         0x02
 504 #define DW_EH_PE_udata4         0x03
 505 #define DW_EH_PE_udata8         0x04
 506 #define DW_EH_PE_sleb128        0x09
 507 #define DW_EH_PE_sdata2         0x0A
 508 #define DW_EH_PE_sdata4         0x0B
 509 #define DW_EH_PE_sdata8         0x0C
 510 #define DW_EH_PE_signed         0x08
 511
 512 #define DW_EH_PE_pcrel          0x10
 513 #define DW_EH_PE_textrel        0x20
 514 #define DW_EH_PE_datarel        0x30
 515 #define DW_EH_PE_funcrel        0x40
 516 #define DW_EH_PE_aligned        0x50
 517
 518 #define DW_EH_PE_indirect       0x80
 519
 520 /* Codes for the debug sections in a dwarf package (.dwp) file.
 521    (From the pre-standard formats Extensions for Fission.
 522    See http://gcc.gnu.org/wiki/DebugFissionDWP).  */
 523 enum dwarf_sect
 524 {
 525   DW_SECT_INFO = 1,
 526   DW_SECT_TYPES = 2,
 527   DW_SECT_ABBREV = 3,
 528   DW_SECT_LINE = 4,
 529   DW_SECT_LOC = 5,
 530   DW_SECT_STR_OFFSETS = 6,
 531   DW_SECT_MACINFO = 7,
 532   DW_SECT_MACRO = 8,
 533   DW_SECT_MAX = 8
 534 };
 535
 536 /* Codes for the debug sections in a dwarf package (.dwp) file.
 537    (From the official DWARF v5 spec.
 538    See http://dwarfstd.org/doc/DWARF5.pdf, section 7.3.5).  */
 539 enum dwarf_sect_v5
 540 {
 541   DW_SECT_INFO_V5 = 1,
 542   DW_SECT_RESERVED_V5 = 2,
 543   DW_SECT_ABBREV_V5 = 3,
 544   DW_SECT_LINE_V5 = 4,
 545   DW_SECT_LOCLISTS_V5 = 5,
 546   DW_SECT_STR_OFFSETS_V5 = 6,
 547   DW_SECT_MACRO_V5 = 7,
 548   DW_SECT_RNGLISTS_V5 = 8,
 549   DW_SECT_MAX_V5 = 8
 550 };
 551
 552 #ifdef __cplusplus
 553 extern "C" {
 554 #endif /* __cplusplus */
 555
 556 /* Return the name of a DW_TAG_ constant, or NULL if the value is not
 557    recognized.  */
 558 extern const char *get_DW_TAG_name (unsigned int tag);
 559
 560 /* Return the name of a DW_AT_ constant, or NULL if the value is not
 561    recognized.  */
 562 extern const char *get_DW_AT_name (unsigned int attr);
 563
 564 /* Return the name of a DW_FORM_ constant, or NULL if the value is not
 565    recognized.  */
 566 extern const char *get_DW_FORM_name (unsigned int form);
 567
 568 /* Return the name of a DW_OP_ constant, or NULL if the value is not
 569    recognized.  */
 570 extern const char *get_DW_OP_name (unsigned int op);
 571
 572 /* Return the name of a DW_ATE_ constant, or NULL if the value is not
 573    recognized.  */
 574 extern const char *get_DW_ATE_name (unsigned int enc);
 575
 576 /* Return the name of a DW_CFA_ constant, or NULL if the value is not
 577    recognized.  */
 578 extern const char *get_DW_CFA_name (unsigned int opc);
 579
 580 /* Return the name of a DW_IDX_ constant, or NULL if the value is not
 581    recognized.  */
 582 extern const char *get_DW_IDX_name (unsigned int idx);
 583
 584 /* Return the name of a DW_UT_ constant, or NULL if the value is not
 585    recognized.  */
 586 extern const char *get_DW_UT_name (unsigned int ut);
 587
 588 #ifdef __cplusplus
 589 }
 590 #endif /* __cplusplus */
 591
 592 #endif /* _DWARF2_H */