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  1. /* Declarations and definitions of codes relating to the DWARF2 and
  2.    DWARF3 symbolic debugging information formats.
  3.    Copyright (C) 1992-2015 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.  
  56. #define DW_FIRST_TAG(name, value) enum dwarf_tag { \
  57.   name = value
  58. #define DW_END_TAG };
  59. #define DW_FIRST_FORM(name, value) enum dwarf_form { \
  60.   name = value
  61. #define DW_END_FORM };
  62. #define DW_FIRST_AT(name, value) enum dwarf_attribute { \
  63.   name = value
  64. #define DW_END_AT };
  65. #define DW_FIRST_OP(name, value) enum dwarf_location_atom { \
  66.   name = value
  67. #define DW_END_OP };
  68. #define DW_FIRST_ATE(name, value) enum dwarf_type { \
  69.   name = value
  70. #define DW_END_ATE };
  71. #define DW_FIRST_CFA(name, value) enum dwarf_call_frame_info { \
  72.   name = value
  73. #define DW_END_CFA };
  74.  
  75. #include "dwarf2.def"
  76.  
  77. #undef DW_FIRST_TAG
  78. #undef DW_END_TAG
  79. #undef DW_FIRST_FORM
  80. #undef DW_END_FORM
  81. #undef DW_FIRST_AT
  82. #undef DW_END_AT
  83. #undef DW_FIRST_OP
  84. #undef DW_END_OP
  85. #undef DW_FIRST_ATE
  86. #undef DW_END_ATE
  87. #undef DW_FIRST_CFA
  88. #undef DW_END_CFA
  89.  
  90. #undef DW_TAG
  91. #undef DW_TAG_DUP
  92. #undef DW_FORM
  93. #undef DW_AT
  94. #undef DW_AT_DUP
  95. #undef DW_OP
  96. #undef DW_OP_DUP
  97. #undef DW_ATE
  98. #undef DW_ATE_DUP
  99. #undef DW_CFA
  100.  
  101. /* Flag that tells whether entry has a child or not.  */
  102. #define DW_children_no   0
  103. #define DW_children_yes  1
  104.  
  105. #define DW_AT_stride_size   DW_AT_bit_stride  /* Note: The use of DW_AT_stride_size is deprecated.  */
  106. #define DW_AT_stride   DW_AT_byte_stride  /* Note: The use of DW_AT_stride is deprecated.  */
  107.  
  108. /* Decimal sign encodings.  */
  109. enum dwarf_decimal_sign_encoding
  110.   {
  111.     /* DWARF 3.  */
  112.     DW_DS_unsigned = 0x01,
  113.     DW_DS_leading_overpunch = 0x02,
  114.     DW_DS_trailing_overpunch = 0x03,
  115.     DW_DS_leading_separate = 0x04,
  116.     DW_DS_trailing_separate = 0x05
  117.   };
  118.  
  119. /* Endianity encodings.  */
  120. enum dwarf_endianity_encoding
  121.   {
  122.     /* DWARF 3.  */
  123.     DW_END_default = 0x00,
  124.     DW_END_big = 0x01,
  125.     DW_END_little = 0x02,
  126.  
  127.     DW_END_lo_user = 0x40,
  128.     DW_END_hi_user = 0xff
  129.   };
  130.  
  131. /* Array ordering names and codes.  */
  132. enum dwarf_array_dim_ordering
  133.   {
  134.     DW_ORD_row_major = 0,
  135.     DW_ORD_col_major = 1
  136.   };
  137.  
  138. /* Access attribute.  */
  139. enum dwarf_access_attribute
  140.   {
  141.     DW_ACCESS_public = 1,
  142.     DW_ACCESS_protected = 2,
  143.     DW_ACCESS_private = 3
  144.   };
  145.  
  146. /* Visibility.  */
  147. enum dwarf_visibility_attribute
  148.   {
  149.     DW_VIS_local = 1,
  150.     DW_VIS_exported = 2,
  151.     DW_VIS_qualified = 3
  152.   };
  153.  
  154. /* Virtuality.  */
  155. enum dwarf_virtuality_attribute
  156.   {
  157.     DW_VIRTUALITY_none = 0,
  158.     DW_VIRTUALITY_virtual = 1,
  159.     DW_VIRTUALITY_pure_virtual = 2
  160.   };
  161.  
  162. /* Case sensitivity.  */
  163. enum dwarf_id_case
  164.   {
  165.     DW_ID_case_sensitive = 0,
  166.     DW_ID_up_case = 1,
  167.     DW_ID_down_case = 2,
  168.     DW_ID_case_insensitive = 3
  169.   };
  170.  
  171. /* Calling convention.  */
  172. enum dwarf_calling_convention
  173.   {
  174.     DW_CC_normal = 0x1,
  175.     DW_CC_program = 0x2,
  176.     DW_CC_nocall = 0x3,
  177.  
  178.     DW_CC_lo_user = 0x40,
  179.     DW_CC_hi_user = 0xff,
  180.  
  181.     DW_CC_GNU_renesas_sh = 0x40,
  182.     DW_CC_GNU_borland_fastcall_i386 = 0x41,
  183.  
  184.     /* This DW_CC_ value is not currently generated by any toolchain.  It is
  185.        used internally to GDB to indicate OpenCL C functions that have been
  186.        compiled with the IBM XL C for OpenCL compiler and use a non-platform
  187.        calling convention for passing OpenCL C vector types.  This value may
  188.        be changed freely as long as it does not conflict with any other DW_CC_
  189.        value defined here.  */
  190.     DW_CC_GDB_IBM_OpenCL = 0xff
  191.   };
  192.  
  193. /* Inline attribute.  */
  194. enum dwarf_inline_attribute
  195.   {
  196.     DW_INL_not_inlined = 0,
  197.     DW_INL_inlined = 1,
  198.     DW_INL_declared_not_inlined = 2,
  199.     DW_INL_declared_inlined = 3
  200.   };
  201.  
  202. /* Discriminant lists.  */
  203. enum dwarf_discrim_list
  204.   {
  205.     DW_DSC_label = 0,
  206.     DW_DSC_range = 1
  207.   };
  208.  
  209. /* Line number opcodes.  */
  210. enum dwarf_line_number_ops
  211.   {
  212.     DW_LNS_extended_op = 0,
  213.     DW_LNS_copy = 1,
  214.     DW_LNS_advance_pc = 2,
  215.     DW_LNS_advance_line = 3,
  216.     DW_LNS_set_file = 4,
  217.     DW_LNS_set_column = 5,
  218.     DW_LNS_negate_stmt = 6,
  219.     DW_LNS_set_basic_block = 7,
  220.     DW_LNS_const_add_pc = 8,
  221.     DW_LNS_fixed_advance_pc = 9,
  222.     /* DWARF 3.  */
  223.     DW_LNS_set_prologue_end = 10,
  224.     DW_LNS_set_epilogue_begin = 11,
  225.     DW_LNS_set_isa = 12
  226.   };
  227.  
  228. /* Line number extended opcodes.  */
  229. enum dwarf_line_number_x_ops
  230.   {
  231.     DW_LNE_end_sequence = 1,
  232.     DW_LNE_set_address = 2,
  233.     DW_LNE_define_file = 3,
  234.     DW_LNE_set_discriminator = 4,
  235.     /* HP extensions.  */
  236.     DW_LNE_HP_negate_is_UV_update      = 0x11,
  237.     DW_LNE_HP_push_context             = 0x12,
  238.     DW_LNE_HP_pop_context              = 0x13,
  239.     DW_LNE_HP_set_file_line_column     = 0x14,
  240.     DW_LNE_HP_set_routine_name         = 0x15,
  241.     DW_LNE_HP_set_sequence             = 0x16,
  242.     DW_LNE_HP_negate_post_semantics    = 0x17,
  243.     DW_LNE_HP_negate_function_exit     = 0x18,
  244.     DW_LNE_HP_negate_front_end_logical = 0x19,
  245.     DW_LNE_HP_define_proc              = 0x20,
  246.     DW_LNE_HP_source_file_correlation  = 0x80,
  247.  
  248.     DW_LNE_lo_user = 0x80,
  249.     DW_LNE_hi_user = 0xff
  250.   };
  251.  
  252. /* Sub-opcodes for DW_LNE_HP_source_file_correlation.  */
  253. enum dwarf_line_number_hp_sfc_ops
  254.   {
  255.     DW_LNE_HP_SFC_formfeed = 1,
  256.     DW_LNE_HP_SFC_set_listing_line = 2,
  257.     DW_LNE_HP_SFC_associate = 3
  258.   };
  259.  
  260. /* Type codes for location list entries.
  261.    Extension for Fission.  See http://gcc.gnu.org/wiki/DebugFission.  */
  262.  
  263. enum dwarf_location_list_entry_type
  264.   {
  265.     DW_LLE_GNU_end_of_list_entry = 0,
  266.     DW_LLE_GNU_base_address_selection_entry = 1,
  267.     DW_LLE_GNU_start_end_entry = 2,
  268.     DW_LLE_GNU_start_length_entry = 3
  269.   };
  270.  
  271. #define DW_CIE_ID         0xffffffff
  272. #define DW64_CIE_ID       0xffffffffffffffffULL
  273. #define DW_CIE_VERSION    1
  274.  
  275. #define DW_CFA_extended   0
  276.  
  277. #define DW_CHILDREN_no               0x00
  278. #define DW_CHILDREN_yes              0x01
  279.  
  280. #define DW_ADDR_none            0
  281.  
  282. /* Source language names and codes.  */
  283. enum dwarf_source_language
  284.   {
  285.     DW_LANG_C89 = 0x0001,
  286.     DW_LANG_C = 0x0002,
  287.     DW_LANG_Ada83 = 0x0003,
  288.     DW_LANG_C_plus_plus = 0x0004,
  289.     DW_LANG_Cobol74 = 0x0005,
  290.     DW_LANG_Cobol85 = 0x0006,
  291.     DW_LANG_Fortran77 = 0x0007,
  292.     DW_LANG_Fortran90 = 0x0008,
  293.     DW_LANG_Pascal83 = 0x0009,
  294.     DW_LANG_Modula2 = 0x000a,
  295.     /* DWARF 3.  */
  296.     DW_LANG_Java = 0x000b,
  297.     DW_LANG_C99 = 0x000c,
  298.     DW_LANG_Ada95 = 0x000d,
  299.     DW_LANG_Fortran95 = 0x000e,
  300.     DW_LANG_PLI = 0x000f,
  301.     DW_LANG_ObjC = 0x0010,
  302.     DW_LANG_ObjC_plus_plus = 0x0011,
  303.     DW_LANG_UPC = 0x0012,
  304.     DW_LANG_D = 0x0013,
  305.     /* DWARF 4.  */
  306.     DW_LANG_Python = 0x0014,
  307.     /* DWARF 5.  */
  308.     DW_LANG_Go = 0x0016,
  309.  
  310.     DW_LANG_C_plus_plus_11 = 0x001a, /* dwarf5.20141029.pdf DRAFT */
  311.     DW_LANG_C11 = 0x001d,
  312.     DW_LANG_C_plus_plus_14 = 0x0021,
  313.     DW_LANG_Fortran03 = 0x0022,
  314.     DW_LANG_Fortran08 = 0x0023,
  315.  
  316.     DW_LANG_lo_user = 0x8000,   /* Implementation-defined range start.  */
  317.     DW_LANG_hi_user = 0xffff,   /* Implementation-defined range start.  */
  318.  
  319.     /* MIPS.  */
  320.     DW_LANG_Mips_Assembler = 0x8001,
  321.     /* UPC.  */
  322.     DW_LANG_Upc = 0x8765,
  323.     /* HP extensions.  */
  324.     DW_LANG_HP_Bliss     = 0x8003,
  325.     DW_LANG_HP_Basic91   = 0x8004,
  326.     DW_LANG_HP_Pascal91  = 0x8005,
  327.     DW_LANG_HP_IMacro    = 0x8006,
  328.     DW_LANG_HP_Assembler = 0x8007
  329.   };
  330.  
  331. /* Names and codes for macro information.  */
  332. enum dwarf_macinfo_record_type
  333.   {
  334.     DW_MACINFO_define = 1,
  335.     DW_MACINFO_undef = 2,
  336.     DW_MACINFO_start_file = 3,
  337.     DW_MACINFO_end_file = 4,
  338.     DW_MACINFO_vendor_ext = 255
  339.   };
  340.  
  341. /* Names and codes for new style macro information.  */
  342. enum dwarf_macro_record_type
  343.   {
  344.     DW_MACRO_GNU_define = 1,
  345.     DW_MACRO_GNU_undef = 2,
  346.     DW_MACRO_GNU_start_file = 3,
  347.     DW_MACRO_GNU_end_file = 4,
  348.     DW_MACRO_GNU_define_indirect = 5,
  349.     DW_MACRO_GNU_undef_indirect = 6,
  350.     DW_MACRO_GNU_transparent_include = 7,
  351.     /* Extensions for DWZ multifile.
  352.        See http://www.dwarfstd.org/ShowIssue.php?issue=120604.1&type=open .  */
  353.     DW_MACRO_GNU_define_indirect_alt = 8,
  354.     DW_MACRO_GNU_undef_indirect_alt = 9,
  355.     DW_MACRO_GNU_transparent_include_alt = 10,
  356.     DW_MACRO_GNU_lo_user = 0xe0,
  357.     DW_MACRO_GNU_hi_user = 0xff
  358.   };
  360. /* @@@ For use with GNU frame unwind information.  */
  361.  
  362. #define DW_EH_PE_absptr         0x00
  363. #define DW_EH_PE_omit           0xff
  364.  
  365. #define DW_EH_PE_uleb128        0x01
  366. #define DW_EH_PE_udata2         0x02
  367. #define DW_EH_PE_udata4         0x03
  368. #define DW_EH_PE_udata8         0x04
  369. #define DW_EH_PE_sleb128        0x09
  370. #define DW_EH_PE_sdata2         0x0A
  371. #define DW_EH_PE_sdata4         0x0B
  372. #define DW_EH_PE_sdata8         0x0C
  373. #define DW_EH_PE_signed         0x08
  374.  
  375. #define DW_EH_PE_pcrel          0x10
  376. #define DW_EH_PE_textrel        0x20
  377. #define DW_EH_PE_datarel        0x30
  378. #define DW_EH_PE_funcrel        0x40
  379. #define DW_EH_PE_aligned        0x50
  380.  
  381. #define DW_EH_PE_indirect       0x80
  382.  
  383. /* Codes for the debug sections in a dwarf package (.dwp) file.
  384.    Extensions for Fission.  See http://gcc.gnu.org/wiki/DebugFissionDWP.  */
  385. enum dwarf_sect
  386.   {
  387.     DW_SECT_INFO = 1,
  388.     DW_SECT_TYPES = 2,
  389.     DW_SECT_ABBREV = 3,
  390.     DW_SECT_LINE = 4,
  391.     DW_SECT_LOC = 5,
  392.     DW_SECT_STR_OFFSETS = 6,
  393.     DW_SECT_MACINFO = 7,
  394.     DW_SECT_MACRO = 8,
  395.     DW_SECT_MAX = 8
  396.   };
  397.  
  398. #ifdef __cplusplus
  399. extern "C" {
  400. #endif /* __cplusplus */
  401.  
  402. /* Return the name of a DW_TAG_ constant, or NULL if the value is not
  403.    recognized.  */
  404. extern const char *get_DW_TAG_name (unsigned int tag);
  405.  
  406. /* Return the name of a DW_AT_ constant, or NULL if the value is not
  407.    recognized.  */
  408. extern const char *get_DW_AT_name (unsigned int attr);
  409.  
  410. /* Return the name of a DW_FORM_ constant, or NULL if the value is not
  411.    recognized.  */
  412. extern const char *get_DW_FORM_name (unsigned int form);
  413.  
  414. /* Return the name of a DW_OP_ constant, or NULL if the value is not
  415.    recognized.  */
  416. extern const char *get_DW_OP_name (unsigned int op);
  417.  
  418. /* Return the name of a DW_ATE_ constant, or NULL if the value is not
  419.    recognized.  */
  420. extern const char *get_DW_ATE_name (unsigned int enc);
  421.  
  422. /* Return the name of a DW_CFA_ constant, or NULL if the value is not
  423.    recognized.  */
  424. extern const char *get_DW_CFA_name (unsigned int opc);
  425.  
  426. #ifdef __cplusplus
  427. }
  428. #endif /* __cplusplus */
  429.  
  430. #endif /* _DWARF2_H */
  431.