1 /* Declarations and definitions of codes relating to the DWARF2 symbolic
2 debugging information format.
3 Copyright (C) 1992, 1993, 1995, 1996, 1997, 2000, 2011
4 Free Software Foundation, Inc.
5 Contributed by Gary Funck (gary@intrepid.com). Derived from the
6 DWARF 1 implementation written by Ron Guilmette (rfg@monkeys.com).
8 This file is part of the GNU C Library.
10 The GNU C Library is free software; you can redistribute it and/or
11 modify it under the terms of the GNU Lesser General Public
12 License as published by the Free Software Foundation; either
13 version 2.1 of the License, or (at your option) any later version.
15 The GNU C Library is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 Lesser General Public License for more details.
20 You should have received a copy of the GNU Lesser General Public
21 License along with the GNU C Library; if not, write to the Free
22 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
25 /* This file is derived from the DWARF specification (a public document)
26 Revision 2.0.0 (July 27, 1993) developed by the UNIX International
27 Programming Languages Special Interest Group (UI/PLSIG) and distributed
28 by UNIX International. Copies of this specification are available from
29 UNIX International, 20 Waterview Boulevard, Parsippany, NJ, 07054. */
31 /* This file is shared between GCC and GDB, and should not contain
35 /* Tag names and codes. */
39 DW_TAG_padding = 0x00,
40 DW_TAG_array_type = 0x01,
41 DW_TAG_class_type = 0x02,
42 DW_TAG_entry_point = 0x03,
43 DW_TAG_enumeration_type = 0x04,
44 DW_TAG_formal_parameter = 0x05,
45 DW_TAG_imported_declaration = 0x08,
47 DW_TAG_lexical_block = 0x0b,
49 DW_TAG_pointer_type = 0x0f,
50 DW_TAG_reference_type = 0x10,
51 DW_TAG_compile_unit = 0x11,
52 DW_TAG_string_type = 0x12,
53 DW_TAG_structure_type = 0x13,
54 DW_TAG_subroutine_type = 0x15,
55 DW_TAG_typedef = 0x16,
56 DW_TAG_union_type = 0x17,
57 DW_TAG_unspecified_parameters = 0x18,
58 DW_TAG_variant = 0x19,
59 DW_TAG_common_block = 0x1a,
60 DW_TAG_common_inclusion = 0x1b,
61 DW_TAG_inheritance = 0x1c,
62 DW_TAG_inlined_subroutine = 0x1d,
64 DW_TAG_ptr_to_member_type = 0x1f,
65 DW_TAG_set_type = 0x20,
66 DW_TAG_subrange_type = 0x21,
67 DW_TAG_with_stmt = 0x22,
68 DW_TAG_access_declaration = 0x23,
69 DW_TAG_base_type = 0x24,
70 DW_TAG_catch_block = 0x25,
71 DW_TAG_const_type = 0x26,
72 DW_TAG_constant = 0x27,
73 DW_TAG_enumerator = 0x28,
74 DW_TAG_file_type = 0x29,
76 DW_TAG_namelist = 0x2b,
77 DW_TAG_namelist_item = 0x2c,
78 DW_TAG_packed_type = 0x2d,
79 DW_TAG_subprogram = 0x2e,
80 DW_TAG_template_type_param = 0x2f,
81 DW_TAG_template_value_param = 0x30,
82 DW_TAG_thrown_type = 0x31,
83 DW_TAG_try_block = 0x32,
84 DW_TAG_variant_part = 0x33,
85 DW_TAG_variable = 0x34,
86 DW_TAG_volatile_type = 0x35,
87 /* SGI/MIPS Extensions */
88 DW_TAG_MIPS_loop = 0x4081,
90 DW_TAG_format_label = 0x4101, /* for FORTRAN 77 and Fortran 90 */
91 DW_TAG_function_template = 0x4102, /* for C++ */
92 DW_TAG_class_template = 0x4103, /* for C++ */
93 DW_TAG_GNU_BINCL = 0x4104,
94 DW_TAG_GNU_EINCL = 0x4105
97 #define DW_TAG_lo_user 0x4080
98 #define DW_TAG_hi_user 0xffff
100 /* flag that tells whether entry has a child or not */
101 #define DW_children_no 0
102 #define DW_children_yes 1
104 /* Form names and codes. */
108 DW_FORM_block2 = 0x03,
109 DW_FORM_block4 = 0x04,
110 DW_FORM_data2 = 0x05,
111 DW_FORM_data4 = 0x06,
112 DW_FORM_data8 = 0x07,
113 DW_FORM_string = 0x08,
114 DW_FORM_block = 0x09,
115 DW_FORM_block1 = 0x0a,
116 DW_FORM_data1 = 0x0b,
118 DW_FORM_sdata = 0x0d,
120 DW_FORM_udata = 0x0f,
121 DW_FORM_ref_addr = 0x10,
126 DW_FORM_ref_udata = 0x15,
127 DW_FORM_indirect = 0x16
130 /* Attribute names and codes. */
134 DW_AT_sibling = 0x01,
135 DW_AT_location = 0x02,
137 DW_AT_ordering = 0x09,
138 DW_AT_subscr_data = 0x0a,
139 DW_AT_byte_size = 0x0b,
140 DW_AT_bit_offset = 0x0c,
141 DW_AT_bit_size = 0x0d,
142 DW_AT_element_list = 0x0f,
143 DW_AT_stmt_list = 0x10,
145 DW_AT_high_pc = 0x12,
146 DW_AT_language = 0x13,
149 DW_AT_discr_value = 0x16,
150 DW_AT_visibility = 0x17,
152 DW_AT_string_length = 0x19,
153 DW_AT_common_reference = 0x1a,
154 DW_AT_comp_dir = 0x1b,
155 DW_AT_const_value = 0x1c,
156 DW_AT_containing_type = 0x1d,
157 DW_AT_default_value = 0x1e,
159 DW_AT_is_optional = 0x21,
160 DW_AT_lower_bound = 0x22,
161 DW_AT_producer = 0x25,
162 DW_AT_prototyped = 0x27,
163 DW_AT_return_addr = 0x2a,
164 DW_AT_start_scope = 0x2c,
165 DW_AT_stride_size = 0x2e,
166 DW_AT_upper_bound = 0x2f,
167 DW_AT_abstract_origin = 0x31,
168 DW_AT_accessibility = 0x32,
169 DW_AT_address_class = 0x33,
170 DW_AT_artificial = 0x34,
171 DW_AT_base_types = 0x35,
172 DW_AT_calling_convention = 0x36,
174 DW_AT_data_member_location = 0x38,
175 DW_AT_decl_column = 0x39,
176 DW_AT_decl_file = 0x3a,
177 DW_AT_decl_line = 0x3b,
178 DW_AT_declaration = 0x3c,
179 DW_AT_discr_list = 0x3d,
180 DW_AT_encoding = 0x3e,
181 DW_AT_external = 0x3f,
182 DW_AT_frame_base = 0x40,
184 DW_AT_identifier_case = 0x42,
185 DW_AT_macro_info = 0x43,
186 DW_AT_namelist_items = 0x44,
187 DW_AT_priority = 0x45,
188 DW_AT_segment = 0x46,
189 DW_AT_specification = 0x47,
190 DW_AT_static_link = 0x48,
192 DW_AT_use_location = 0x4a,
193 DW_AT_variable_parameter = 0x4b,
194 DW_AT_virtuality = 0x4c,
195 DW_AT_vtable_elem_location = 0x4d,
196 /* SGI/MIPS Extensions */
197 DW_AT_MIPS_fde = 0x2001,
198 DW_AT_MIPS_loop_begin = 0x2002,
199 DW_AT_MIPS_tail_loop_begin = 0x2003,
200 DW_AT_MIPS_epilog_begin = 0x2004,
201 DW_AT_MIPS_loop_unroll_factor = 0x2005,
202 DW_AT_MIPS_software_pipeline_depth = 0x2006,
203 DW_AT_MIPS_linkage_name = 0x2007,
204 DW_AT_MIPS_stride = 0x2008,
205 DW_AT_MIPS_abstract_name = 0x2009,
206 DW_AT_MIPS_clone_origin = 0x200a,
207 DW_AT_MIPS_has_inlines = 0x200b,
208 /* GNU extensions. */
209 DW_AT_sf_names = 0x2101,
210 DW_AT_src_info = 0x2102,
211 DW_AT_mac_info = 0x2103,
212 DW_AT_src_coords = 0x2104,
213 DW_AT_body_begin = 0x2105,
214 DW_AT_body_end = 0x2106
217 #define DW_AT_lo_user 0x2000 /* implementation-defined range start */
218 #define DW_AT_hi_user 0x3ff0 /* implementation-defined range end */
220 /* Location atom names and codes. */
222 enum dwarf_location_atom
226 DW_OP_const1u = 0x08,
227 DW_OP_const1s = 0x09,
228 DW_OP_const2u = 0x0a,
229 DW_OP_const2s = 0x0b,
230 DW_OP_const4u = 0x0c,
231 DW_OP_const4s = 0x0d,
232 DW_OP_const8u = 0x0e,
233 DW_OP_const8s = 0x0f,
253 DW_OP_plus_uconst = 0x23,
366 DW_OP_deref_size = 0x94,
367 DW_OP_xderef_size = 0x95,
371 #define DW_OP_lo_user 0x80 /* implementation-defined range start */
372 #define DW_OP_hi_user 0xff /* implementation-defined range end */
374 /* Type encodings. */
379 DW_ATE_address = 0x1,
380 DW_ATE_boolean = 0x2,
381 DW_ATE_complex_float = 0x3,
384 DW_ATE_signed_char = 0x6,
385 DW_ATE_unsigned = 0x7,
386 DW_ATE_unsigned_char = 0x8
389 #define DW_ATE_lo_user 0x80
390 #define DW_ATE_hi_user 0xff
392 /* Array ordering names and codes. */
393 enum dwarf_array_dim_ordering
395 DW_ORD_row_major = 0,
399 /* access attribute */
400 enum dwarf_access_attribute
402 DW_ACCESS_public = 1,
403 DW_ACCESS_protected = 2,
404 DW_ACCESS_private = 3
408 enum dwarf_visibility_attribute
416 enum dwarf_virtuality_attribute
418 DW_VIRTUALITY_none = 0,
419 DW_VIRTUALITY_virtual = 1,
420 DW_VIRTUALITY_pure_virtual = 2
423 /* case sensitivity */
426 DW_ID_case_sensitive = 0,
429 DW_ID_case_insensitive = 3
432 /* calling convention */
433 enum dwarf_calling_convention
440 #define DW_CC_lo_user 0x40
441 #define DW_CC_hi_user 0xff
443 /* inline attribute */
444 enum dwarf_inline_attribute
446 DW_INL_not_inlined = 0,
448 DW_INL_declared_not_inlined = 2,
449 DW_INL_declared_inlined = 3
452 /* discriminant lists */
453 enum dwarf_discrim_list
459 /* line number opcodes */
460 enum dwarf_line_number_ops
462 DW_LNS_extended_op = 0,
464 DW_LNS_advance_pc = 2,
465 DW_LNS_advance_line = 3,
467 DW_LNS_set_column = 5,
468 DW_LNS_negate_stmt = 6,
469 DW_LNS_set_basic_block = 7,
470 DW_LNS_const_add_pc = 8,
471 DW_LNS_fixed_advance_pc = 9
474 /* line number extended opcodes */
475 enum dwarf_line_number_x_ops
477 DW_LNE_end_sequence = 1,
478 DW_LNE_set_address = 2,
479 DW_LNE_define_file = 3
482 /* call frame information */
483 enum dwarf_call_frame_info
485 DW_CFA_advance_loc = 0x40,
486 DW_CFA_offset = 0x80,
487 DW_CFA_restore = 0xc0,
489 DW_CFA_set_loc = 0x01,
490 DW_CFA_advance_loc1 = 0x02,
491 DW_CFA_advance_loc2 = 0x03,
492 DW_CFA_advance_loc4 = 0x04,
493 DW_CFA_offset_extended = 0x05,
494 DW_CFA_restore_extended = 0x06,
495 DW_CFA_undefined = 0x07,
496 DW_CFA_same_value = 0x08,
497 DW_CFA_register = 0x09,
498 DW_CFA_remember_state = 0x0a,
499 DW_CFA_restore_state = 0x0b,
500 DW_CFA_def_cfa = 0x0c,
501 DW_CFA_def_cfa_register = 0x0d,
502 DW_CFA_def_cfa_offset = 0x0e,
503 DW_CFA_def_cfa_expression = 0x0f,
504 DW_CFA_expression = 0x10,
506 DW_CFA_offset_extended_sf = 0x11,
507 DW_CFA_def_cfa_sf = 0x12,
508 DW_CFA_def_cfa_offset_sf = 0x13,
510 /* SGI/MIPS specific */
511 DW_CFA_MIPS_advance_loc8 = 0x1d,
514 DW_CFA_GNU_window_save = 0x2d,
515 DW_CFA_GNU_args_size = 0x2e,
516 DW_CFA_GNU_negative_offset_extended = 0x2f
519 #define DW_CIE_ID 0xffffffff
520 #define DW_CIE_VERSION 1
522 #define DW_CFA_extended 0
523 #define DW_CFA_low_user 0x1c
524 #define DW_CFA_high_user 0x3f
526 #define DW_CHILDREN_no 0x00
527 #define DW_CHILDREN_yes 0x01
529 #define DW_ADDR_none 0
531 /* Source language names and codes. */
533 enum dwarf_source_language
535 DW_LANG_C89 = 0x0001,
537 DW_LANG_Ada83 = 0x0003,
538 DW_LANG_C_plus_plus = 0x0004,
539 DW_LANG_Cobol74 = 0x0005,
540 DW_LANG_Cobol85 = 0x0006,
541 DW_LANG_Fortran77 = 0x0007,
542 DW_LANG_Fortran90 = 0x0008,
543 DW_LANG_Pascal83 = 0x0009,
544 DW_LANG_Modula2 = 0x000a,
545 DW_LANG_Java = 0x000b,
546 DW_LANG_Mips_Assembler = 0x8001
550 #define DW_LANG_lo_user 0x8000 /* implementation-defined range start */
551 #define DW_LANG_hi_user 0xffff /* implementation-defined range start */
553 /* Names and codes for macro information. */
555 enum dwarf_macinfo_record_type
557 DW_MACINFO_define = 1,
558 DW_MACINFO_undef = 2,
559 DW_MACINFO_start_file = 3,
560 DW_MACINFO_end_file = 4,
561 DW_MACINFO_vendor_ext = 255
564 #endif /* !ASSEMBLER */
566 /* @@@ For use with GNU frame unwind information. */
568 #define DW_EH_PE_absptr 0x00
569 #define DW_EH_PE_omit 0xff
571 #define DW_EH_PE_uleb128 0x01
572 #define DW_EH_PE_udata2 0x02
573 #define DW_EH_PE_udata4 0x03
574 #define DW_EH_PE_udata8 0x04
575 #define DW_EH_PE_sleb128 0x09
576 #define DW_EH_PE_sdata2 0x0A
577 #define DW_EH_PE_sdata4 0x0B
578 #define DW_EH_PE_sdata8 0x0C
579 #define DW_EH_PE_signed 0x08
581 #define DW_EH_PE_pcrel 0x10
582 #define DW_EH_PE_textrel 0x20
583 #define DW_EH_PE_datarel 0x30
584 #define DW_EH_PE_funcrel 0x40
585 #define DW_EH_PE_aligned 0x50
587 #define DW_EH_PE_indirect 0x80