1 /* Declarations and definitions of codes relating to the DWARF2 symbolic
2 debugging information format.
3 Copyright (C) 1992-2017 Free Software Foundation, Inc.
4 Contributed by Gary Funck (gary@intrepid.com). Derived from the
5 DWARF 1 implementation written by Ron Guilmette (rfg@monkeys.com).
7 This file is part of the GNU C Library.
9 The GNU C Library is free software; you can redistribute it and/or
10 modify it under the terms of the GNU Lesser General Public
11 License as published by the Free Software Foundation; either
12 version 2.1 of the License, or (at your option) any later version.
14 The GNU C Library is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 Lesser General Public License for more details.
19 You should have received a copy of the GNU Lesser General Public
20 License along with the GNU C Library; if not, see
21 <http://www.gnu.org/licenses/>. */
26 /* This file is derived from the DWARF specification (a public document)
27 Revision 2.0.0 (July 27, 1993) developed by the UNIX International
28 Programming Languages Special Interest Group (UI/PLSIG) and distributed
29 by UNIX International. Copies of this specification are available from
30 UNIX International, 20 Waterview Boulevard, Parsippany, NJ, 07054. */
32 /* This file is shared between GCC and GDB, and should not contain
36 /* Tag names and codes. */
40 DW_TAG_padding
= 0x00,
41 DW_TAG_array_type
= 0x01,
42 DW_TAG_class_type
= 0x02,
43 DW_TAG_entry_point
= 0x03,
44 DW_TAG_enumeration_type
= 0x04,
45 DW_TAG_formal_parameter
= 0x05,
46 DW_TAG_imported_declaration
= 0x08,
48 DW_TAG_lexical_block
= 0x0b,
50 DW_TAG_pointer_type
= 0x0f,
51 DW_TAG_reference_type
= 0x10,
52 DW_TAG_compile_unit
= 0x11,
53 DW_TAG_string_type
= 0x12,
54 DW_TAG_structure_type
= 0x13,
55 DW_TAG_subroutine_type
= 0x15,
56 DW_TAG_typedef
= 0x16,
57 DW_TAG_union_type
= 0x17,
58 DW_TAG_unspecified_parameters
= 0x18,
59 DW_TAG_variant
= 0x19,
60 DW_TAG_common_block
= 0x1a,
61 DW_TAG_common_inclusion
= 0x1b,
62 DW_TAG_inheritance
= 0x1c,
63 DW_TAG_inlined_subroutine
= 0x1d,
65 DW_TAG_ptr_to_member_type
= 0x1f,
66 DW_TAG_set_type
= 0x20,
67 DW_TAG_subrange_type
= 0x21,
68 DW_TAG_with_stmt
= 0x22,
69 DW_TAG_access_declaration
= 0x23,
70 DW_TAG_base_type
= 0x24,
71 DW_TAG_catch_block
= 0x25,
72 DW_TAG_const_type
= 0x26,
73 DW_TAG_constant
= 0x27,
74 DW_TAG_enumerator
= 0x28,
75 DW_TAG_file_type
= 0x29,
77 DW_TAG_namelist
= 0x2b,
78 DW_TAG_namelist_item
= 0x2c,
79 DW_TAG_packed_type
= 0x2d,
80 DW_TAG_subprogram
= 0x2e,
81 DW_TAG_template_type_param
= 0x2f,
82 DW_TAG_template_value_param
= 0x30,
83 DW_TAG_thrown_type
= 0x31,
84 DW_TAG_try_block
= 0x32,
85 DW_TAG_variant_part
= 0x33,
86 DW_TAG_variable
= 0x34,
87 DW_TAG_volatile_type
= 0x35,
88 /* SGI/MIPS Extensions */
89 DW_TAG_MIPS_loop
= 0x4081,
91 DW_TAG_format_label
= 0x4101, /* for FORTRAN 77 and Fortran 90 */
92 DW_TAG_function_template
= 0x4102, /* for C++ */
93 DW_TAG_class_template
= 0x4103, /* for C++ */
94 DW_TAG_GNU_BINCL
= 0x4104,
95 DW_TAG_GNU_EINCL
= 0x4105
98 #define DW_TAG_lo_user 0x4080
99 #define DW_TAG_hi_user 0xffff
101 /* flag that tells whether entry has a child or not */
102 #define DW_children_no 0
103 #define DW_children_yes 1
105 /* Form names and codes. */
109 DW_FORM_block2
= 0x03,
110 DW_FORM_block4
= 0x04,
111 DW_FORM_data2
= 0x05,
112 DW_FORM_data4
= 0x06,
113 DW_FORM_data8
= 0x07,
114 DW_FORM_string
= 0x08,
115 DW_FORM_block
= 0x09,
116 DW_FORM_block1
= 0x0a,
117 DW_FORM_data1
= 0x0b,
119 DW_FORM_sdata
= 0x0d,
121 DW_FORM_udata
= 0x0f,
122 DW_FORM_ref_addr
= 0x10,
127 DW_FORM_ref_udata
= 0x15,
128 DW_FORM_indirect
= 0x16
131 /* Attribute names and codes. */
135 DW_AT_sibling
= 0x01,
136 DW_AT_location
= 0x02,
138 DW_AT_ordering
= 0x09,
139 DW_AT_subscr_data
= 0x0a,
140 DW_AT_byte_size
= 0x0b,
141 DW_AT_bit_offset
= 0x0c,
142 DW_AT_bit_size
= 0x0d,
143 DW_AT_element_list
= 0x0f,
144 DW_AT_stmt_list
= 0x10,
146 DW_AT_high_pc
= 0x12,
147 DW_AT_language
= 0x13,
150 DW_AT_discr_value
= 0x16,
151 DW_AT_visibility
= 0x17,
153 DW_AT_string_length
= 0x19,
154 DW_AT_common_reference
= 0x1a,
155 DW_AT_comp_dir
= 0x1b,
156 DW_AT_const_value
= 0x1c,
157 DW_AT_containing_type
= 0x1d,
158 DW_AT_default_value
= 0x1e,
160 DW_AT_is_optional
= 0x21,
161 DW_AT_lower_bound
= 0x22,
162 DW_AT_producer
= 0x25,
163 DW_AT_prototyped
= 0x27,
164 DW_AT_return_addr
= 0x2a,
165 DW_AT_start_scope
= 0x2c,
166 DW_AT_stride_size
= 0x2e,
167 DW_AT_upper_bound
= 0x2f,
168 DW_AT_abstract_origin
= 0x31,
169 DW_AT_accessibility
= 0x32,
170 DW_AT_address_class
= 0x33,
171 DW_AT_artificial
= 0x34,
172 DW_AT_base_types
= 0x35,
173 DW_AT_calling_convention
= 0x36,
175 DW_AT_data_member_location
= 0x38,
176 DW_AT_decl_column
= 0x39,
177 DW_AT_decl_file
= 0x3a,
178 DW_AT_decl_line
= 0x3b,
179 DW_AT_declaration
= 0x3c,
180 DW_AT_discr_list
= 0x3d,
181 DW_AT_encoding
= 0x3e,
182 DW_AT_external
= 0x3f,
183 DW_AT_frame_base
= 0x40,
185 DW_AT_identifier_case
= 0x42,
186 DW_AT_macro_info
= 0x43,
187 DW_AT_namelist_items
= 0x44,
188 DW_AT_priority
= 0x45,
189 DW_AT_segment
= 0x46,
190 DW_AT_specification
= 0x47,
191 DW_AT_static_link
= 0x48,
193 DW_AT_use_location
= 0x4a,
194 DW_AT_variable_parameter
= 0x4b,
195 DW_AT_virtuality
= 0x4c,
196 DW_AT_vtable_elem_location
= 0x4d,
197 /* SGI/MIPS Extensions */
198 DW_AT_MIPS_fde
= 0x2001,
199 DW_AT_MIPS_loop_begin
= 0x2002,
200 DW_AT_MIPS_tail_loop_begin
= 0x2003,
201 DW_AT_MIPS_epilog_begin
= 0x2004,
202 DW_AT_MIPS_loop_unroll_factor
= 0x2005,
203 DW_AT_MIPS_software_pipeline_depth
= 0x2006,
204 DW_AT_MIPS_linkage_name
= 0x2007,
205 DW_AT_MIPS_stride
= 0x2008,
206 DW_AT_MIPS_abstract_name
= 0x2009,
207 DW_AT_MIPS_clone_origin
= 0x200a,
208 DW_AT_MIPS_has_inlines
= 0x200b,
209 /* GNU extensions. */
210 DW_AT_sf_names
= 0x2101,
211 DW_AT_src_info
= 0x2102,
212 DW_AT_mac_info
= 0x2103,
213 DW_AT_src_coords
= 0x2104,
214 DW_AT_body_begin
= 0x2105,
215 DW_AT_body_end
= 0x2106
218 #define DW_AT_lo_user 0x2000 /* implementation-defined range start */
219 #define DW_AT_hi_user 0x3ff0 /* implementation-defined range end */
221 /* Location atom names and codes. */
223 enum dwarf_location_atom
227 DW_OP_const1u
= 0x08,
228 DW_OP_const1s
= 0x09,
229 DW_OP_const2u
= 0x0a,
230 DW_OP_const2s
= 0x0b,
231 DW_OP_const4u
= 0x0c,
232 DW_OP_const4s
= 0x0d,
233 DW_OP_const8u
= 0x0e,
234 DW_OP_const8s
= 0x0f,
254 DW_OP_plus_uconst
= 0x23,
367 DW_OP_deref_size
= 0x94,
368 DW_OP_xderef_size
= 0x95,
372 #define DW_OP_lo_user 0x80 /* implementation-defined range start */
373 #define DW_OP_hi_user 0xff /* implementation-defined range end */
375 /* Type encodings. */
380 DW_ATE_address
= 0x1,
381 DW_ATE_boolean
= 0x2,
382 DW_ATE_complex_float
= 0x3,
385 DW_ATE_signed_char
= 0x6,
386 DW_ATE_unsigned
= 0x7,
387 DW_ATE_unsigned_char
= 0x8
390 #define DW_ATE_lo_user 0x80
391 #define DW_ATE_hi_user 0xff
393 /* Array ordering names and codes. */
394 enum dwarf_array_dim_ordering
396 DW_ORD_row_major
= 0,
400 /* access attribute */
401 enum dwarf_access_attribute
403 DW_ACCESS_public
= 1,
404 DW_ACCESS_protected
= 2,
405 DW_ACCESS_private
= 3
409 enum dwarf_visibility_attribute
417 enum dwarf_virtuality_attribute
419 DW_VIRTUALITY_none
= 0,
420 DW_VIRTUALITY_virtual
= 1,
421 DW_VIRTUALITY_pure_virtual
= 2
424 /* case sensitivity */
427 DW_ID_case_sensitive
= 0,
430 DW_ID_case_insensitive
= 3
433 /* calling convention */
434 enum dwarf_calling_convention
441 #define DW_CC_lo_user 0x40
442 #define DW_CC_hi_user 0xff
444 /* inline attribute */
445 enum dwarf_inline_attribute
447 DW_INL_not_inlined
= 0,
449 DW_INL_declared_not_inlined
= 2,
450 DW_INL_declared_inlined
= 3
453 /* discriminant lists */
454 enum dwarf_discrim_list
460 /* line number opcodes */
461 enum dwarf_line_number_ops
463 DW_LNS_extended_op
= 0,
465 DW_LNS_advance_pc
= 2,
466 DW_LNS_advance_line
= 3,
468 DW_LNS_set_column
= 5,
469 DW_LNS_negate_stmt
= 6,
470 DW_LNS_set_basic_block
= 7,
471 DW_LNS_const_add_pc
= 8,
472 DW_LNS_fixed_advance_pc
= 9
475 /* line number extended opcodes */
476 enum dwarf_line_number_x_ops
478 DW_LNE_end_sequence
= 1,
479 DW_LNE_set_address
= 2,
480 DW_LNE_define_file
= 3
483 /* call frame information */
484 enum dwarf_call_frame_info
486 DW_CFA_advance_loc
= 0x40,
487 DW_CFA_offset
= 0x80,
488 DW_CFA_restore
= 0xc0,
490 DW_CFA_set_loc
= 0x01,
491 DW_CFA_advance_loc1
= 0x02,
492 DW_CFA_advance_loc2
= 0x03,
493 DW_CFA_advance_loc4
= 0x04,
494 DW_CFA_offset_extended
= 0x05,
495 DW_CFA_restore_extended
= 0x06,
496 DW_CFA_undefined
= 0x07,
497 DW_CFA_same_value
= 0x08,
498 DW_CFA_register
= 0x09,
499 DW_CFA_remember_state
= 0x0a,
500 DW_CFA_restore_state
= 0x0b,
501 DW_CFA_def_cfa
= 0x0c,
502 DW_CFA_def_cfa_register
= 0x0d,
503 DW_CFA_def_cfa_offset
= 0x0e,
504 DW_CFA_def_cfa_expression
= 0x0f,
505 DW_CFA_expression
= 0x10,
507 DW_CFA_offset_extended_sf
= 0x11,
508 DW_CFA_def_cfa_sf
= 0x12,
509 DW_CFA_def_cfa_offset_sf
= 0x13,
511 /* SGI/MIPS specific */
512 DW_CFA_MIPS_advance_loc8
= 0x1d,
515 DW_CFA_GNU_window_save
= 0x2d,
516 DW_CFA_GNU_args_size
= 0x2e,
517 DW_CFA_GNU_negative_offset_extended
= 0x2f
520 #define DW_CIE_ID 0xffffffff
521 #define DW_CIE_VERSION 1
523 #define DW_CFA_extended 0
524 #define DW_CFA_low_user 0x1c
525 #define DW_CFA_high_user 0x3f
527 #define DW_CHILDREN_no 0x00
528 #define DW_CHILDREN_yes 0x01
530 #define DW_ADDR_none 0
532 /* Source language names and codes. */
534 enum dwarf_source_language
536 DW_LANG_C89
= 0x0001,
538 DW_LANG_Ada83
= 0x0003,
539 DW_LANG_C_plus_plus
= 0x0004,
540 DW_LANG_Cobol74
= 0x0005,
541 DW_LANG_Cobol85
= 0x0006,
542 DW_LANG_Fortran77
= 0x0007,
543 DW_LANG_Fortran90
= 0x0008,
544 DW_LANG_Pascal83
= 0x0009,
545 DW_LANG_Modula2
= 0x000a,
546 DW_LANG_Java
= 0x000b,
547 DW_LANG_Mips_Assembler
= 0x8001
551 #define DW_LANG_lo_user 0x8000 /* implementation-defined range start */
552 #define DW_LANG_hi_user 0xffff /* implementation-defined range start */
554 /* Names and codes for macro information. */
556 enum dwarf_macinfo_record_type
558 DW_MACINFO_define
= 1,
559 DW_MACINFO_undef
= 2,
560 DW_MACINFO_start_file
= 3,
561 DW_MACINFO_end_file
= 4,
562 DW_MACINFO_vendor_ext
= 255
565 #endif /* !ASSEMBLER */
567 /* @@@ For use with GNU frame unwind information. */
569 #define DW_EH_PE_absptr 0x00
570 #define DW_EH_PE_omit 0xff
572 #define DW_EH_PE_uleb128 0x01
573 #define DW_EH_PE_udata2 0x02
574 #define DW_EH_PE_udata4 0x03
575 #define DW_EH_PE_udata8 0x04
576 #define DW_EH_PE_sleb128 0x09
577 #define DW_EH_PE_sdata2 0x0A
578 #define DW_EH_PE_sdata4 0x0B
579 #define DW_EH_PE_sdata8 0x0C
580 #define DW_EH_PE_signed 0x08
582 #define DW_EH_PE_pcrel 0x10
583 #define DW_EH_PE_textrel 0x20
584 #define DW_EH_PE_datarel 0x30
585 #define DW_EH_PE_funcrel 0x40
586 #define DW_EH_PE_aligned 0x50
588 #define DW_EH_PE_indirect 0x80
590 #endif /* dwarf2.h */