github.com/razvanm/vanadium-go-1.3@v0.0.0-20160721203343-4a65068e5915/src/cmd/ld/dwarf_defs.h (about)

     1  // Copyright 2010 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  // Cut, pasted, tr-and-awk'ed from tables in
     6  // http://dwarfstd.org/doc/Dwarf3.pdf
     7  
     8  // Table 18
     9  enum
    10  {
    11  	DW_TAG_array_type = 0x01,
    12  	DW_TAG_class_type = 0x02,
    13  	DW_TAG_entry_point = 0x03,
    14  	DW_TAG_enumeration_type = 0x04,
    15  	DW_TAG_formal_parameter = 0x05,
    16  	DW_TAG_imported_declaration = 0x08,
    17  	DW_TAG_label = 0x0a,
    18  	DW_TAG_lexical_block = 0x0b,
    19  	DW_TAG_member = 0x0d,
    20  	DW_TAG_pointer_type = 0x0f,
    21  	DW_TAG_reference_type = 0x10,
    22  	DW_TAG_compile_unit = 0x11,
    23  	DW_TAG_string_type = 0x12,
    24  	DW_TAG_structure_type = 0x13,
    25  	DW_TAG_subroutine_type = 0x15,
    26  	DW_TAG_typedef = 0x16,
    27  	DW_TAG_union_type = 0x17,
    28  	DW_TAG_unspecified_parameters = 0x18,
    29  	DW_TAG_variant = 0x19,
    30  	DW_TAG_common_block = 0x1a,
    31  	DW_TAG_common_inclusion = 0x1b,
    32  	DW_TAG_inheritance = 0x1c,
    33  	DW_TAG_inlined_subroutine = 0x1d,
    34  	DW_TAG_module = 0x1e,
    35  	DW_TAG_ptr_to_member_type = 0x1f,
    36  	DW_TAG_set_type = 0x20,
    37  	DW_TAG_subrange_type = 0x21,
    38  	DW_TAG_with_stmt = 0x22,
    39  	DW_TAG_access_declaration = 0x23,
    40  	DW_TAG_base_type = 0x24,
    41  	DW_TAG_catch_block = 0x25,
    42  	DW_TAG_const_type = 0x26,
    43  	DW_TAG_constant = 0x27,
    44  	DW_TAG_enumerator = 0x28,
    45  	DW_TAG_file_type = 0x29,
    46  	DW_TAG_friend = 0x2a,
    47  	DW_TAG_namelist = 0x2b,
    48  	DW_TAG_namelist_item = 0x2c,
    49  	DW_TAG_packed_type = 0x2d,
    50  	DW_TAG_subprogram = 0x2e,
    51  	DW_TAG_template_type_parameter = 0x2f,
    52  	DW_TAG_template_value_parameter = 0x30,
    53  	DW_TAG_thrown_type = 0x31,
    54  	DW_TAG_try_block = 0x32,
    55  	DW_TAG_variant_part = 0x33,
    56  	DW_TAG_variable = 0x34,
    57  	DW_TAG_volatile_type = 0x35,
    58  	// Dwarf3
    59  	DW_TAG_dwarf_procedure = 0x36,
    60  	DW_TAG_restrict_type = 0x37,
    61  	DW_TAG_interface_type = 0x38,
    62  	DW_TAG_namespace = 0x39,
    63  	DW_TAG_imported_module = 0x3a,
    64  	DW_TAG_unspecified_type = 0x3b,
    65  	DW_TAG_partial_unit = 0x3c,
    66  	DW_TAG_imported_unit = 0x3d,
    67  	DW_TAG_condition = 0x3f,
    68  	DW_TAG_shared_type = 0x40,
    69  	// Dwarf4
    70  	DW_TAG_type_unit = 0x41,
    71  	DW_TAG_rvalue_reference_type = 0x42,
    72  	DW_TAG_template_alias = 0x43,
    73  
    74  	// User defined
    75  	DW_TAG_lo_user = 0x4080,
    76  	DW_TAG_hi_user = 0xffff,
    77  
    78  };
    79  
    80  // Table 19
    81  enum
    82  {
    83  	DW_CHILDREN_no = 0x00,
    84  	DW_CHILDREN_yes = 0x01,
    85  };
    86  
    87  // Not from the spec, but logicaly belongs here
    88  enum
    89  {
    90  	DW_CLS_ADDRESS = 0x01,
    91  	DW_CLS_BLOCK,
    92  	DW_CLS_CONSTANT,
    93  	DW_CLS_FLAG,
    94  	DW_CLS_PTR,	// lineptr, loclistptr, macptr, rangelistptr
    95  	DW_CLS_REFERENCE,
    96  	DW_CLS_ADDRLOC,
    97  	DW_CLS_STRING
    98  };
    99  
   100  // Table 20
   101  enum
   102  {
   103  	DW_AT_sibling = 0x01,	// reference
   104  	DW_AT_location = 0x02,	// block, loclistptr
   105  	DW_AT_name = 0x03,	// string
   106  	DW_AT_ordering = 0x09,	// constant
   107  	DW_AT_byte_size = 0x0b,	// block, constant, reference
   108  	DW_AT_bit_offset = 0x0c,	// block, constant, reference
   109  	DW_AT_bit_size = 0x0d,	// block, constant, reference
   110  	DW_AT_stmt_list = 0x10,	// lineptr
   111  	DW_AT_low_pc = 0x11,	// address
   112  	DW_AT_high_pc = 0x12,	// address
   113  	DW_AT_language = 0x13,	// constant
   114  	DW_AT_discr = 0x15,	// reference
   115  	DW_AT_discr_value = 0x16,	// constant
   116  	DW_AT_visibility = 0x17,	// constant
   117  	DW_AT_import = 0x18,	// reference
   118  	DW_AT_string_length = 0x19,	// block, loclistptr
   119  	DW_AT_common_reference = 0x1a,	// reference
   120  	DW_AT_comp_dir = 0x1b,	// string
   121  	DW_AT_const_value = 0x1c,	// block, constant, string
   122  	DW_AT_containing_type = 0x1d,	// reference
   123  	DW_AT_default_value = 0x1e,	// reference
   124  	DW_AT_inline = 0x20,	// constant
   125  	DW_AT_is_optional = 0x21,	// flag
   126  	DW_AT_lower_bound = 0x22,	// block, constant, reference
   127  	DW_AT_producer = 0x25,	// string
   128  	DW_AT_prototyped = 0x27,	// flag
   129  	DW_AT_return_addr = 0x2a,	// block, loclistptr
   130  	DW_AT_start_scope = 0x2c,	// constant
   131  	DW_AT_bit_stride = 0x2e,	// constant
   132  	DW_AT_upper_bound = 0x2f,	// block, constant, reference
   133  	DW_AT_abstract_origin = 0x31,	// reference
   134  	DW_AT_accessibility = 0x32,	// constant
   135  	DW_AT_address_class = 0x33,	// constant
   136  	DW_AT_artificial = 0x34,	// flag
   137  	DW_AT_base_types = 0x35,	// reference
   138  	DW_AT_calling_convention = 0x36,	// constant
   139  	DW_AT_count = 0x37,	// block, constant, reference
   140  	DW_AT_data_member_location = 0x38,	// block, constant, loclistptr
   141  	DW_AT_decl_column = 0x39,	// constant
   142  	DW_AT_decl_file = 0x3a,	// constant
   143  	DW_AT_decl_line = 0x3b,	// constant
   144  	DW_AT_declaration = 0x3c,	// flag
   145  	DW_AT_discr_list = 0x3d,	// block
   146  	DW_AT_encoding = 0x3e,	// constant
   147  	DW_AT_external = 0x3f,	// flag
   148  	DW_AT_frame_base = 0x40,	// block, loclistptr
   149  	DW_AT_friend = 0x41,	// reference
   150  	DW_AT_identifier_case = 0x42,	// constant
   151  	DW_AT_macro_info = 0x43,	// macptr
   152  	DW_AT_namelist_item = 0x44,	// block
   153  	DW_AT_priority = 0x45,	// reference
   154  	DW_AT_segment = 0x46,	// block, loclistptr
   155  	DW_AT_specification = 0x47,	// reference
   156  	DW_AT_static_link = 0x48,	// block, loclistptr
   157  	DW_AT_type = 0x49,	// reference
   158  	DW_AT_use_location = 0x4a,	// block, loclistptr
   159  	DW_AT_variable_parameter = 0x4b,	// flag
   160  	DW_AT_virtuality = 0x4c,	// constant
   161  	DW_AT_vtable_elem_location = 0x4d,	// block, loclistptr
   162  	// Dwarf3
   163  	DW_AT_allocated = 0x4e,	// block, constant, reference
   164  	DW_AT_associated = 0x4f,	// block, constant, reference
   165  	DW_AT_data_location = 0x50,	// block
   166  	DW_AT_byte_stride = 0x51,	// block, constant, reference
   167  	DW_AT_entry_pc = 0x52,	// address
   168  	DW_AT_use_UTF8 = 0x53,	// flag
   169  	DW_AT_extension = 0x54,	// reference
   170  	DW_AT_ranges = 0x55,	// rangelistptr
   171  	DW_AT_trampoline = 0x56,	// address, flag, reference, string
   172  	DW_AT_call_column = 0x57,	// constant
   173  	DW_AT_call_file = 0x58,	// constant
   174  	DW_AT_call_line = 0x59,	// constant
   175  	DW_AT_description = 0x5a,	// string
   176  	DW_AT_binary_scale = 0x5b,	// constant
   177  	DW_AT_decimal_scale = 0x5c,	// constant
   178  	DW_AT_small = 0x5d,	// reference
   179  	DW_AT_decimal_sign = 0x5e,	// constant
   180  	DW_AT_digit_count = 0x5f,	// constant
   181  	DW_AT_picture_string = 0x60,	// string
   182  	DW_AT_mutable = 0x61,	// flag
   183  	DW_AT_threads_scaled = 0x62,	// flag
   184  	DW_AT_explicit = 0x63,	// flag
   185  	DW_AT_object_pointer = 0x64,	// reference
   186  	DW_AT_endianity = 0x65,	// constant
   187  	DW_AT_elemental = 0x66,	// flag
   188  	DW_AT_pure = 0x67,	// flag
   189  	DW_AT_recursive = 0x68,	// flag
   190  
   191  	DW_AT_lo_user = 0x2000,	// ---
   192  	DW_AT_hi_user = 0x3fff,	// ---
   193  
   194  };
   195  
   196  // Table 21
   197  enum
   198  {
   199  	DW_FORM_addr = 0x01,	// address
   200  	DW_FORM_block2 = 0x03,	// block
   201  	DW_FORM_block4 = 0x04,	// block
   202  	DW_FORM_data2 = 0x05,	// constant
   203  	DW_FORM_data4 = 0x06,	// constant, lineptr, loclistptr, macptr, rangelistptr
   204  	DW_FORM_data8 = 0x07,	// constant, lineptr, loclistptr, macptr, rangelistptr
   205  	DW_FORM_string = 0x08,	// string
   206  	DW_FORM_block = 0x09,	// block
   207  	DW_FORM_block1 = 0x0a,	// block
   208  	DW_FORM_data1 = 0x0b,	// constant
   209  	DW_FORM_flag = 0x0c,	// flag
   210  	DW_FORM_sdata = 0x0d,	// constant
   211  	DW_FORM_strp = 0x0e,	// string
   212  	DW_FORM_udata = 0x0f,	// constant
   213  	DW_FORM_ref_addr = 0x10,	// reference
   214  	DW_FORM_ref1 = 0x11,	// reference
   215  	DW_FORM_ref2 = 0x12,	// reference
   216  	DW_FORM_ref4 = 0x13,	// reference
   217  	DW_FORM_ref8 = 0x14,	// reference
   218  	DW_FORM_ref_udata = 0x15,	// reference
   219  	DW_FORM_indirect = 0x16,	// (see Section 7.5.3)
   220  };
   221  
   222  // Table 24 (#operands, notes)
   223  enum
   224  {
   225  	DW_OP_addr = 0x03,	// 1 constant address (size target specific)
   226  	DW_OP_deref = 0x06,	// 0
   227  	DW_OP_const1u = 0x08,	// 1 1-byte constant
   228  	DW_OP_const1s = 0x09,	// 1 1-byte constant
   229  	DW_OP_const2u = 0x0a,	// 1 2-byte constant
   230  	DW_OP_const2s = 0x0b,	// 1 2-byte constant
   231  	DW_OP_const4u = 0x0c,	// 1 4-byte constant
   232  	DW_OP_const4s = 0x0d,	// 1 4-byte constant
   233  	DW_OP_const8u = 0x0e,	// 1 8-byte constant
   234  	DW_OP_const8s = 0x0f,	// 1 8-byte constant
   235  	DW_OP_constu = 0x10,	// 1 ULEB128 constant
   236  	DW_OP_consts = 0x11,	// 1 SLEB128 constant
   237  	DW_OP_dup = 0x12,	// 0
   238  	DW_OP_drop = 0x13,	// 0
   239  	DW_OP_over = 0x14,	// 0
   240  	DW_OP_pick = 0x15,	// 1 1-byte stack index
   241  	DW_OP_swap = 0x16,	// 0
   242  	DW_OP_rot = 0x17,	// 0
   243  	DW_OP_xderef = 0x18,	// 0
   244  	DW_OP_abs = 0x19,	// 0
   245  	DW_OP_and = 0x1a,	// 0
   246  	DW_OP_div = 0x1b,	// 0
   247  	DW_OP_minus = 0x1c,	// 0
   248  	DW_OP_mod = 0x1d,	// 0
   249  	DW_OP_mul = 0x1e,	// 0
   250  	DW_OP_neg = 0x1f,	// 0
   251  	DW_OP_not = 0x20,	// 0
   252  	DW_OP_or = 0x21,	// 0
   253  	DW_OP_plus = 0x22,	// 0
   254  	DW_OP_plus_uconst = 0x23,	// 1 ULEB128 addend
   255  	DW_OP_shl = 0x24,	// 0
   256  	DW_OP_shr = 0x25,	// 0
   257  	DW_OP_shra = 0x26,	// 0
   258  	DW_OP_xor = 0x27,	// 0
   259  	DW_OP_skip = 0x2f,	// 1 signed 2-byte constant
   260  	DW_OP_bra = 0x28,	// 1 signed 2-byte constant
   261  	DW_OP_eq = 0x29,	// 0
   262  	DW_OP_ge = 0x2a,	// 0
   263  	DW_OP_gt = 0x2b,	// 0
   264  	DW_OP_le = 0x2c,	// 0
   265  	DW_OP_lt = 0x2d,	// 0
   266  	DW_OP_ne = 0x2e,	// 0
   267  	DW_OP_lit0 = 0x30,	// 0 ...
   268  	DW_OP_lit31 = 0x4f,	// 0 literals 0..31 = (DW_OP_lit0 +
   269  	// literal)
   270  	DW_OP_reg0 = 0x50,	// 0 ..
   271  	DW_OP_reg31 = 0x6f,	// 0 reg 0..31 = (DW_OP_reg0 + regnum)
   272  	DW_OP_breg0 = 0x70,	// 1 ...
   273  	DW_OP_breg31 = 0x8f,	// 1 SLEB128 offset base register 0..31 = (DW_OP_breg0 + regnum)
   274  	DW_OP_regx = 0x90,	// 1 ULEB128 register
   275  	DW_OP_fbreg = 0x91,	// 1 SLEB128 offset
   276  	DW_OP_bregx = 0x92,	// 2 ULEB128 register followed by SLEB128 offset
   277  	DW_OP_piece = 0x93,	// 1 ULEB128 size of piece addressed
   278  	DW_OP_deref_size = 0x94,	// 1 1-byte size of data retrieved
   279  	DW_OP_xderef_size = 0x95,	// 1 1-byte size of data retrieved
   280  	DW_OP_nop = 0x96,	// 0
   281  	DW_OP_push_object_address = 0x97,	// 0
   282  	DW_OP_call2 = 0x98,	// 1 2-byte offset of DIE
   283  	DW_OP_call4 = 0x99,	// 1 4-byte offset of DIE
   284  	DW_OP_call_ref = 0x9a,	// 1 4- or 8-byte offset of DIE
   285  	DW_OP_form_tls_address = 0x9b,	// 0
   286  	DW_OP_call_frame_cfa = 0x9c,	// 0
   287  	DW_OP_bit_piece = 0x9d,	// 2
   288  	DW_OP_lo_user = 0xe0,
   289  	DW_OP_hi_user = 0xff,
   290  };
   291  
   292  // Table 25
   293  enum
   294  {
   295  	DW_ATE_address = 0x01,
   296  	DW_ATE_boolean = 0x02,
   297  	DW_ATE_complex_float = 0x03,
   298  	DW_ATE_float = 0x04,
   299  	DW_ATE_signed = 0x05,
   300  	DW_ATE_signed_char = 0x06,
   301  	DW_ATE_unsigned = 0x07,
   302  	DW_ATE_unsigned_char = 0x08,
   303  	DW_ATE_imaginary_float = 0x09,
   304  	DW_ATE_packed_decimal = 0x0a,
   305  	DW_ATE_numeric_string = 0x0b,
   306  	DW_ATE_edited = 0x0c,
   307  	DW_ATE_signed_fixed = 0x0d,
   308  	DW_ATE_unsigned_fixed = 0x0e,
   309  	DW_ATE_decimal_float = 0x0f,
   310  	DW_ATE_lo_user = 0x80,
   311  	DW_ATE_hi_user = 0xff,
   312  };
   313  
   314  // Table 26
   315  enum
   316  {
   317  	DW_DS_unsigned = 0x01,
   318  	DW_DS_leading_overpunch = 0x02,
   319  	DW_DS_trailing_overpunch = 0x03,
   320  	DW_DS_leading_separate = 0x04,
   321  	DW_DS_trailing_separate = 0x05,
   322  };
   323  
   324  // Table 27
   325  enum
   326  {
   327  	DW_END_default = 0x00,
   328  	DW_END_big = 0x01,
   329  	DW_END_little = 0x02,
   330  	DW_END_lo_user = 0x40,
   331  	DW_END_hi_user = 0xff,
   332  };
   333  
   334  // Table 28
   335  enum
   336  {
   337  	DW_ACCESS_public = 0x01,
   338  	DW_ACCESS_protected = 0x02,
   339  	DW_ACCESS_private = 0x03,
   340  };
   341  
   342  // Table 29
   343  enum
   344  {
   345  	DW_VIS_local = 0x01,
   346  	DW_VIS_exported = 0x02,
   347  	DW_VIS_qualified = 0x03,
   348  };
   349  
   350  // Table 30
   351  enum
   352  {
   353  	DW_VIRTUALITY_none = 0x00,
   354  	DW_VIRTUALITY_virtual = 0x01,
   355  	DW_VIRTUALITY_pure_virtual = 0x02,
   356  };
   357  
   358  // Table 31
   359  enum
   360  {
   361  	DW_LANG_C89 = 0x0001,
   362  	DW_LANG_C = 0x0002,
   363  	DW_LANG_Ada83 = 0x0003,
   364  	DW_LANG_C_plus_plus = 0x0004,
   365  	DW_LANG_Cobol74 = 0x0005,
   366  	DW_LANG_Cobol85 = 0x0006,
   367  	DW_LANG_Fortran77 = 0x0007,
   368  	DW_LANG_Fortran90 = 0x0008,
   369  	DW_LANG_Pascal83 = 0x0009,
   370  	DW_LANG_Modula2 = 0x000a,
   371  	// Dwarf3
   372  	DW_LANG_Java = 0x000b,
   373  	DW_LANG_C99 = 0x000c,
   374  	DW_LANG_Ada95 = 0x000d,
   375  	DW_LANG_Fortran95 = 0x000e,
   376  	DW_LANG_PLI = 0x000f,
   377  	DW_LANG_ObjC = 0x0010,
   378  	DW_LANG_ObjC_plus_plus = 0x0011,
   379  	DW_LANG_UPC = 0x0012,
   380  	DW_LANG_D = 0x0013,
   381  	// Dwarf4
   382  	DW_LANG_Python = 0x0014,
   383  	// Dwarf5
   384  	DW_LANG_Go = 0x0016,
   385  
   386  	DW_LANG_lo_user = 0x8000,
   387  	DW_LANG_hi_user = 0xffff,
   388  };
   389  
   390  // Table 32
   391  enum
   392  {
   393  	DW_ID_case_sensitive = 0x00,
   394  	DW_ID_up_case = 0x01,
   395  	DW_ID_down_case = 0x02,
   396  	DW_ID_case_insensitive = 0x03,
   397  };
   398  
   399  // Table 33
   400  enum
   401  {
   402  	DW_CC_normal = 0x01,
   403  	DW_CC_program = 0x02,
   404  	DW_CC_nocall = 0x03,
   405  	DW_CC_lo_user = 0x40,
   406  	DW_CC_hi_user = 0xff,
   407  };
   408  
   409  // Table 34
   410  enum
   411  {
   412  	DW_INL_not_inlined = 0x00,
   413  	DW_INL_inlined = 0x01,
   414  	DW_INL_declared_not_inlined = 0x02,
   415  	DW_INL_declared_inlined = 0x03,
   416  };
   417  
   418  // Table 35
   419  enum
   420  {
   421  	DW_ORD_row_major = 0x00,
   422  	DW_ORD_col_major = 0x01,
   423  };
   424  
   425  // Table 36
   426  enum
   427  {
   428  	DW_DSC_label = 0x00,
   429  	DW_DSC_range = 0x01,
   430  };
   431  
   432  // Table 37
   433  enum
   434  {
   435  	DW_LNS_copy = 0x01,
   436  	DW_LNS_advance_pc = 0x02,
   437  	DW_LNS_advance_line = 0x03,
   438  	DW_LNS_set_file = 0x04,
   439  	DW_LNS_set_column = 0x05,
   440  	DW_LNS_negate_stmt = 0x06,
   441  	DW_LNS_set_basic_block = 0x07,
   442  	DW_LNS_const_add_pc = 0x08,
   443  	DW_LNS_fixed_advance_pc = 0x09,
   444  	// Dwarf3
   445  	DW_LNS_set_prologue_end = 0x0a,
   446  	DW_LNS_set_epilogue_begin = 0x0b,
   447  	DW_LNS_set_isa = 0x0c,
   448  };
   449  
   450  // Table 38
   451  enum
   452  {
   453  	DW_LNE_end_sequence = 0x01,
   454  	DW_LNE_set_address = 0x02,
   455  	DW_LNE_define_file = 0x03,
   456  	DW_LNE_lo_user = 0x80,
   457  	DW_LNE_hi_user = 0xff,
   458  };
   459  
   460  // Table 39
   461  enum
   462  {
   463  	DW_MACINFO_define = 0x01,
   464  	DW_MACINFO_undef = 0x02,
   465  	DW_MACINFO_start_file = 0x03,
   466  	DW_MACINFO_end_file = 0x04,
   467  	DW_MACINFO_vendor_ext = 0xff,
   468  };
   469  
   470  // Table 40.
   471  enum
   472  {					// operand,...
   473  	DW_CFA_nop = 0x00,
   474  	DW_CFA_set_loc = 0x01,		// address
   475  	DW_CFA_advance_loc1 = 0x02,	// 1-byte delta
   476  	DW_CFA_advance_loc2 = 0x03,	// 2-byte delta
   477  	DW_CFA_advance_loc4 = 0x04,	// 4-byte delta
   478  	DW_CFA_offset_extended = 0x05,	// ULEB128 register, ULEB128 offset
   479  	DW_CFA_restore_extended = 0x06, // ULEB128 register
   480  	DW_CFA_undefined = 0x07,	// ULEB128 register
   481  	DW_CFA_same_value = 0x08,	// ULEB128 register
   482  	DW_CFA_register = 0x09,		// ULEB128 register, ULEB128 register
   483  	DW_CFA_remember_state = 0x0a,
   484  	DW_CFA_restore_state = 0x0b,
   485  	DW_CFA_def_cfa = 0x0c,		// ULEB128 register, ULEB128 offset
   486  	DW_CFA_def_cfa_register = 0x0d,	// ULEB128 register
   487  	DW_CFA_def_cfa_offset = 0x0e,	// ULEB128 offset
   488  	DW_CFA_def_cfa_expression = 0x0f, // BLOCK
   489  	DW_CFA_expression = 0x10,	// ULEB128 register, BLOCK
   490  	DW_CFA_offset_extended_sf = 0x11, // ULEB128 register, SLEB128 offset
   491  	DW_CFA_def_cfa_sf = 0x12,	// ULEB128 register, SLEB128 offset
   492  	DW_CFA_def_cfa_offset_sf = 0x13, // SLEB128 offset
   493  	DW_CFA_val_offset = 0x14,	// ULEB128, ULEB128
   494  	DW_CFA_val_offset_sf = 0x15,	// ULEB128, SLEB128
   495  	DW_CFA_val_expression = 0x16,	// ULEB128, BLOCK
   496  
   497  	DW_CFA_lo_user = 0x1c,
   498  	DW_CFA_hi_user = 0x3f,
   499  
   500  	// Opcodes that take an addend operand.
   501  	DW_CFA_advance_loc = 0x1<<6, // +delta
   502  	DW_CFA_offset	   = 0x2<<6, // +register (ULEB128 offset)
   503  	DW_CFA_restore	   = 0x3<<6, // +register
   504  };