1 /* Declarations and definitions of codes relating to the DWARF2 symbolic
2 debugging information format.
3 Copyright (C) 1992, 1993, 1995, 1996, 1997, 1999, 2000, 2001, 2002,
4 2003 Free Software Foundation, Inc.
6 Written by Gary Funck (gary@intrepid.com) The Ada Joint Program
7 Office (AJPO), Florida State Unviversity and Silicon Graphics Inc.
8 provided support for this effort -- June 21, 1995.
10 Derived from the DWARF 1 implementation written by Ron Guilmette
11 (rfg@netcom.com), November 1990.
13 This file is part of GCC.
15 GCC is free software; you can redistribute it and/or modify it under
16 the terms of the GNU General Public License as published by the Free
17 Software Foundation; either version 2, or (at your option) any later
20 GCC is distributed in the hope that it will be useful, but WITHOUT
21 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
22 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
23 License for more details.
25 You should have received a copy of the GNU General Public License
26 along with GCC; see the file COPYING. If not, write to the Free
27 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
30 /* This file is derived from the DWARF specification (a public document)
31 Revision 2.0.0 (July 27, 1993) developed by the UNIX International
32 Programming Languages Special Interest Group (UI/PLSIG) and distributed
33 by UNIX International. Copies of this specification are available from
34 UNIX International, 20 Waterview Boulevard, Parsippany, NJ, 07054.
36 This file also now contains definitions from the DWARF 3 specification. */
38 /* This file is shared between GCC and GDB, and should not contain
44 /* Structure found in the .debug_line section. */
47 unsigned char li_length [4];
48 unsigned char li_version [2];
49 unsigned char li_prologue_length [4];
50 unsigned char li_min_insn_length [1];
51 unsigned char li_default_is_stmt [1];
52 unsigned char li_line_base [1];
53 unsigned char li_line_range [1];
54 unsigned char li_opcode_base [1];
56 DWARF2_External_LineInfo;
60 unsigned long li_length;
61 unsigned short li_version;
62 unsigned int li_prologue_length;
63 unsigned char li_min_insn_length;
64 unsigned char li_default_is_stmt;
66 unsigned char li_line_range;
67 unsigned char li_opcode_base;
69 DWARF2_Internal_LineInfo;
71 /* Structure found in .debug_pubnames section. */
74 unsigned char pn_length [4];
75 unsigned char pn_version [2];
76 unsigned char pn_offset [4];
77 unsigned char pn_size [4];
79 DWARF2_External_PubNames;
83 unsigned long pn_length;
84 unsigned short pn_version;
85 unsigned long pn_offset;
86 unsigned long pn_size;
88 DWARF2_Internal_PubNames;
90 /* Structure found in .debug_info section. */
93 unsigned char cu_length [4];
94 unsigned char cu_version [2];
95 unsigned char cu_abbrev_offset [4];
96 unsigned char cu_pointer_size [1];
98 DWARF2_External_CompUnit;
102 unsigned long cu_length;
103 unsigned short cu_version;
104 unsigned long cu_abbrev_offset;
105 unsigned char cu_pointer_size;
107 DWARF2_Internal_CompUnit;
111 unsigned char ar_length [4];
112 unsigned char ar_version [2];
113 unsigned char ar_info_offset [4];
114 unsigned char ar_pointer_size [1];
115 unsigned char ar_segment_size [1];
117 DWARF2_External_ARange;
121 unsigned long ar_length;
122 unsigned short ar_version;
123 unsigned long ar_info_offset;
124 unsigned char ar_pointer_size;
125 unsigned char ar_segment_size;
127 DWARF2_Internal_ARange;
130 /* Tag names and codes. */
133 DW_TAG_padding = 0x00,
134 DW_TAG_array_type = 0x01,
135 DW_TAG_class_type = 0x02,
136 DW_TAG_entry_point = 0x03,
137 DW_TAG_enumeration_type = 0x04,
138 DW_TAG_formal_parameter = 0x05,
139 DW_TAG_imported_declaration = 0x08,
141 DW_TAG_lexical_block = 0x0b,
142 DW_TAG_member = 0x0d,
143 DW_TAG_pointer_type = 0x0f,
144 DW_TAG_reference_type = 0x10,
145 DW_TAG_compile_unit = 0x11,
146 DW_TAG_string_type = 0x12,
147 DW_TAG_structure_type = 0x13,
148 DW_TAG_subroutine_type = 0x15,
149 DW_TAG_typedef = 0x16,
150 DW_TAG_union_type = 0x17,
151 DW_TAG_unspecified_parameters = 0x18,
152 DW_TAG_variant = 0x19,
153 DW_TAG_common_block = 0x1a,
154 DW_TAG_common_inclusion = 0x1b,
155 DW_TAG_inheritance = 0x1c,
156 DW_TAG_inlined_subroutine = 0x1d,
157 DW_TAG_module = 0x1e,
158 DW_TAG_ptr_to_member_type = 0x1f,
159 DW_TAG_set_type = 0x20,
160 DW_TAG_subrange_type = 0x21,
161 DW_TAG_with_stmt = 0x22,
162 DW_TAG_access_declaration = 0x23,
163 DW_TAG_base_type = 0x24,
164 DW_TAG_catch_block = 0x25,
165 DW_TAG_const_type = 0x26,
166 DW_TAG_constant = 0x27,
167 DW_TAG_enumerator = 0x28,
168 DW_TAG_file_type = 0x29,
169 DW_TAG_friend = 0x2a,
170 DW_TAG_namelist = 0x2b,
171 DW_TAG_namelist_item = 0x2c,
172 DW_TAG_packed_type = 0x2d,
173 DW_TAG_subprogram = 0x2e,
174 DW_TAG_template_type_param = 0x2f,
175 DW_TAG_template_value_param = 0x30,
176 DW_TAG_thrown_type = 0x31,
177 DW_TAG_try_block = 0x32,
178 DW_TAG_variant_part = 0x33,
179 DW_TAG_variable = 0x34,
180 DW_TAG_volatile_type = 0x35,
182 DW_TAG_dwarf_procedure = 0x36,
183 DW_TAG_restrict_type = 0x37,
184 DW_TAG_interface_type = 0x38,
185 DW_TAG_namespace = 0x39,
186 DW_TAG_imported_module = 0x3a,
187 DW_TAG_unspecified_type = 0x3b,
188 DW_TAG_partial_unit = 0x3c,
189 DW_TAG_imported_unit = 0x3d,
190 /* SGI/MIPS Extensions. */
191 DW_TAG_MIPS_loop = 0x4081,
192 /* GNU extensions. */
193 DW_TAG_format_label = 0x4101, /* For FORTRAN 77 and Fortran 90. */
194 DW_TAG_function_template = 0x4102, /* For C++. */
195 DW_TAG_class_template = 0x4103, /* For C++. */
196 DW_TAG_GNU_BINCL = 0x4104,
197 DW_TAG_GNU_EINCL = 0x4105,
198 /* Extensions for UPC. See: http://upc.gwu.edu/~upc. */
199 DW_TAG_upc_shared_type = 0x8765,
200 DW_TAG_upc_strict_type = 0x8766,
201 DW_TAG_upc_relaxed_type = 0x8767,
202 /* PGI (STMicroelectronics) extensions. No documentation available. */
203 DW_TAG_PGI_kanji_type = 0xA000,
204 DW_TAG_PGI_interface_block = 0xA020
207 #define DW_TAG_lo_user 0x4080
208 #define DW_TAG_hi_user 0xffff
210 /* Flag that tells whether entry has a child or not. */
211 #define DW_children_no 0
212 #define DW_children_yes 1
214 /* Form names and codes. */
218 DW_FORM_block2 = 0x03,
219 DW_FORM_block4 = 0x04,
220 DW_FORM_data2 = 0x05,
221 DW_FORM_data4 = 0x06,
222 DW_FORM_data8 = 0x07,
223 DW_FORM_string = 0x08,
224 DW_FORM_block = 0x09,
225 DW_FORM_block1 = 0x0a,
226 DW_FORM_data1 = 0x0b,
228 DW_FORM_sdata = 0x0d,
230 DW_FORM_udata = 0x0f,
231 DW_FORM_ref_addr = 0x10,
236 DW_FORM_ref_udata = 0x15,
237 DW_FORM_indirect = 0x16
240 /* Attribute names and codes. */
244 DW_AT_sibling = 0x01,
245 DW_AT_location = 0x02,
247 DW_AT_ordering = 0x09,
248 DW_AT_subscr_data = 0x0a,
249 DW_AT_byte_size = 0x0b,
250 DW_AT_bit_offset = 0x0c,
251 DW_AT_bit_size = 0x0d,
252 DW_AT_element_list = 0x0f,
253 DW_AT_stmt_list = 0x10,
255 DW_AT_high_pc = 0x12,
256 DW_AT_language = 0x13,
259 DW_AT_discr_value = 0x16,
260 DW_AT_visibility = 0x17,
262 DW_AT_string_length = 0x19,
263 DW_AT_common_reference = 0x1a,
264 DW_AT_comp_dir = 0x1b,
265 DW_AT_const_value = 0x1c,
266 DW_AT_containing_type = 0x1d,
267 DW_AT_default_value = 0x1e,
269 DW_AT_is_optional = 0x21,
270 DW_AT_lower_bound = 0x22,
271 DW_AT_producer = 0x25,
272 DW_AT_prototyped = 0x27,
273 DW_AT_return_addr = 0x2a,
274 DW_AT_start_scope = 0x2c,
275 DW_AT_stride_size = 0x2e,
276 DW_AT_upper_bound = 0x2f,
277 DW_AT_abstract_origin = 0x31,
278 DW_AT_accessibility = 0x32,
279 DW_AT_address_class = 0x33,
280 DW_AT_artificial = 0x34,
281 DW_AT_base_types = 0x35,
282 DW_AT_calling_convention = 0x36,
284 DW_AT_data_member_location = 0x38,
285 DW_AT_decl_column = 0x39,
286 DW_AT_decl_file = 0x3a,
287 DW_AT_decl_line = 0x3b,
288 DW_AT_declaration = 0x3c,
289 DW_AT_discr_list = 0x3d,
290 DW_AT_encoding = 0x3e,
291 DW_AT_external = 0x3f,
292 DW_AT_frame_base = 0x40,
294 DW_AT_identifier_case = 0x42,
295 DW_AT_macro_info = 0x43,
296 DW_AT_namelist_items = 0x44,
297 DW_AT_priority = 0x45,
298 DW_AT_segment = 0x46,
299 DW_AT_specification = 0x47,
300 DW_AT_static_link = 0x48,
302 DW_AT_use_location = 0x4a,
303 DW_AT_variable_parameter = 0x4b,
304 DW_AT_virtuality = 0x4c,
305 DW_AT_vtable_elem_location = 0x4d,
306 /* DWARF 3 values. */
307 DW_AT_allocated = 0x4e,
308 DW_AT_associated = 0x4f,
309 DW_AT_data_location = 0x50,
311 DW_AT_entry_pc = 0x52,
312 DW_AT_use_UTF8 = 0x53,
313 DW_AT_extension = 0x54,
315 DW_AT_trampoline = 0x56,
316 DW_AT_call_column = 0x57,
317 DW_AT_call_file = 0x58,
318 DW_AT_call_line = 0x59,
319 /* SGI/MIPS extensions. */
320 DW_AT_MIPS_fde = 0x2001,
321 DW_AT_MIPS_loop_begin = 0x2002,
322 DW_AT_MIPS_tail_loop_begin = 0x2003,
323 DW_AT_MIPS_epilog_begin = 0x2004,
324 DW_AT_MIPS_loop_unroll_factor = 0x2005,
325 DW_AT_MIPS_software_pipeline_depth = 0x2006,
326 DW_AT_MIPS_linkage_name = 0x2007,
327 DW_AT_MIPS_stride = 0x2008,
328 DW_AT_MIPS_abstract_name = 0x2009,
329 DW_AT_MIPS_clone_origin = 0x200a,
330 DW_AT_MIPS_has_inlines = 0x200b,
331 /* GNU extensions. */
332 DW_AT_sf_names = 0x2101,
333 DW_AT_src_info = 0x2102,
334 DW_AT_mac_info = 0x2103,
335 DW_AT_src_coords = 0x2104,
336 DW_AT_body_begin = 0x2105,
337 DW_AT_body_end = 0x2106,
338 DW_AT_GNU_vector = 0x2107,
339 /* VMS extensions. */
340 DW_AT_VMS_rtnbeg_pd_address = 0x2201,
342 DW_AT_upc_threads_scaled = 0x3210,
343 /* PGI (STMicroelectronics) extensions. */
344 DW_AT_PGI_lbase = 0x3a00,
345 DW_AT_PGI_soffset = 0x3a01,
346 DW_AT_PGI_lstride = 0x3a02
349 #define DW_AT_lo_user 0x2000 /* Implementation-defined range start. */
350 #define DW_AT_hi_user 0x3ff0 /* Implementation-defined range end. */
352 /* Location atom names and codes. */
353 enum dwarf_location_atom
357 DW_OP_const1u = 0x08,
358 DW_OP_const1s = 0x09,
359 DW_OP_const2u = 0x0a,
360 DW_OP_const2s = 0x0b,
361 DW_OP_const4u = 0x0c,
362 DW_OP_const4s = 0x0d,
363 DW_OP_const8u = 0x0e,
364 DW_OP_const8s = 0x0f,
384 DW_OP_plus_uconst = 0x23,
497 DW_OP_deref_size = 0x94,
498 DW_OP_xderef_size = 0x95,
500 /* DWARF 3 extensions. */
501 DW_OP_push_object_address = 0x97,
504 DW_OP_call_ref = 0x9a,
505 /* GNU extensions. */
506 DW_OP_GNU_push_tls_address = 0xe0
509 #define DW_OP_lo_user 0xe0 /* Implementation-defined range start. */
510 #define DW_OP_hi_user 0xff /* Implementation-defined range end. */
512 /* Type encodings. */
516 DW_ATE_address = 0x1,
517 DW_ATE_boolean = 0x2,
518 DW_ATE_complex_float = 0x3,
521 DW_ATE_signed_char = 0x6,
522 DW_ATE_unsigned = 0x7,
523 DW_ATE_unsigned_char = 0x8,
525 DW_ATE_imaginary_float = 0x9
528 #define DW_ATE_lo_user 0x80
529 #define DW_ATE_hi_user 0xff
531 /* Array ordering names and codes. */
532 enum dwarf_array_dim_ordering
534 DW_ORD_row_major = 0,
538 /* Access attribute. */
539 enum dwarf_access_attribute
541 DW_ACCESS_public = 1,
542 DW_ACCESS_protected = 2,
543 DW_ACCESS_private = 3
547 enum dwarf_visibility_attribute
555 enum dwarf_virtuality_attribute
557 DW_VIRTUALITY_none = 0,
558 DW_VIRTUALITY_virtual = 1,
559 DW_VIRTUALITY_pure_virtual = 2
562 /* Case sensitivity. */
565 DW_ID_case_sensitive = 0,
568 DW_ID_case_insensitive = 3
571 /* Calling convention. */
572 enum dwarf_calling_convention
579 #define DW_CC_lo_user 0x40
580 #define DW_CC_hi_user 0xff
582 /* Inline attribute. */
583 enum dwarf_inline_attribute
585 DW_INL_not_inlined = 0,
587 DW_INL_declared_not_inlined = 2,
588 DW_INL_declared_inlined = 3
591 /* Discriminant lists. */
592 enum dwarf_discrim_list
598 /* Line number opcodes. */
599 enum dwarf_line_number_ops
601 DW_LNS_extended_op = 0,
603 DW_LNS_advance_pc = 2,
604 DW_LNS_advance_line = 3,
606 DW_LNS_set_column = 5,
607 DW_LNS_negate_stmt = 6,
608 DW_LNS_set_basic_block = 7,
609 DW_LNS_const_add_pc = 8,
610 DW_LNS_fixed_advance_pc = 9,
612 DW_LNS_set_prologue_end = 10,
613 DW_LNS_set_epilogue_begin = 11,
617 /* Line number extended opcodes. */
618 enum dwarf_line_number_x_ops
620 DW_LNE_end_sequence = 1,
621 DW_LNE_set_address = 2,
622 DW_LNE_define_file = 3
625 /* Call frame information. */
626 enum dwarf_call_frame_info
628 DW_CFA_advance_loc = 0x40,
629 DW_CFA_offset = 0x80,
630 DW_CFA_restore = 0xc0,
632 DW_CFA_set_loc = 0x01,
633 DW_CFA_advance_loc1 = 0x02,
634 DW_CFA_advance_loc2 = 0x03,
635 DW_CFA_advance_loc4 = 0x04,
636 DW_CFA_offset_extended = 0x05,
637 DW_CFA_restore_extended = 0x06,
638 DW_CFA_undefined = 0x07,
639 DW_CFA_same_value = 0x08,
640 DW_CFA_register = 0x09,
641 DW_CFA_remember_state = 0x0a,
642 DW_CFA_restore_state = 0x0b,
643 DW_CFA_def_cfa = 0x0c,
644 DW_CFA_def_cfa_register = 0x0d,
645 DW_CFA_def_cfa_offset = 0x0e,
648 DW_CFA_def_cfa_expression = 0x0f,
649 DW_CFA_expression = 0x10,
650 DW_CFA_offset_extended_sf = 0x11,
651 DW_CFA_def_cfa_sf = 0x12,
652 DW_CFA_def_cfa_offset_sf = 0x13,
654 /* SGI/MIPS specific. */
655 DW_CFA_MIPS_advance_loc8 = 0x1d,
657 /* GNU extensions. */
658 DW_CFA_GNU_window_save = 0x2d,
659 DW_CFA_GNU_args_size = 0x2e,
660 DW_CFA_GNU_negative_offset_extended = 0x2f
663 #define DW_CIE_ID 0xffffffff
664 #define DW_CIE_VERSION 1
666 #define DW_CFA_extended 0
667 #define DW_CFA_lo_user 0x1c
668 #define DW_CFA_hi_user 0x3f
670 #define DW_CHILDREN_no 0x00
671 #define DW_CHILDREN_yes 0x01
673 #define DW_ADDR_none 0
675 /* Source language names and codes. */
676 enum dwarf_source_language
678 DW_LANG_C89 = 0x0001,
680 DW_LANG_Ada83 = 0x0003,
681 DW_LANG_C_plus_plus = 0x0004,
682 DW_LANG_Cobol74 = 0x0005,
683 DW_LANG_Cobol85 = 0x0006,
684 DW_LANG_Fortran77 = 0x0007,
685 DW_LANG_Fortran90 = 0x0008,
686 DW_LANG_Pascal83 = 0x0009,
687 DW_LANG_Modula2 = 0x000a,
688 DW_LANG_Java = 0x000b,
690 DW_LANG_C99 = 0x000c,
691 DW_LANG_Ada95 = 0x000d,
692 DW_LANG_Fortran95 = 0x000e,
694 DW_LANG_Mips_Assembler = 0x8001,
699 #define DW_LANG_lo_user 0x8000 /* Implementation-defined range start. */
700 #define DW_LANG_hi_user 0xffff /* Implementation-defined range start. */
702 /* Names and codes for macro information. */
703 enum dwarf_macinfo_record_type
705 DW_MACINFO_define = 1,
706 DW_MACINFO_undef = 2,
707 DW_MACINFO_start_file = 3,
708 DW_MACINFO_end_file = 4,
709 DW_MACINFO_vendor_ext = 255
712 /* @@@ For use with GNU frame unwind information. */
714 #define DW_EH_PE_absptr 0x00
715 #define DW_EH_PE_omit 0xff
717 #define DW_EH_PE_uleb128 0x01
718 #define DW_EH_PE_udata2 0x02
719 #define DW_EH_PE_udata4 0x03
720 #define DW_EH_PE_udata8 0x04
721 #define DW_EH_PE_sleb128 0x09
722 #define DW_EH_PE_sdata2 0x0A
723 #define DW_EH_PE_sdata4 0x0B
724 #define DW_EH_PE_sdata8 0x0C
725 #define DW_EH_PE_signed 0x08
727 #define DW_EH_PE_pcrel 0x10
728 #define DW_EH_PE_textrel 0x20
729 #define DW_EH_PE_datarel 0x30
730 #define DW_EH_PE_funcrel 0x40
731 #define DW_EH_PE_aligned 0x50
733 #define DW_EH_PE_indirect 0x80
735 #endif /* _ELF_DWARF2_H */