1 /* Declarations and definitions of codes relating to the DWARF2 symbolic
2 debugging information format.
3 Copyright (C) 1992, 1993, 1995, 1996 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 GNU CC.
9 GNU CC is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2, or (at your option)
14 GNU CC 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
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with GNU CC; see the file COPYING. If not, write to
21 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
23 /* This file is derived from the DWARF specification (a public document)
24 Revision 2.0.0 (July 27, 1993) developed by the UNIX International
25 Programming Languages Special Interest Group (UI/PLSIG) and distributed
26 by UNIX International. Copies of this specification are available from
27 UNIX International, 20 Waterview Boulevard, Parsippany, NJ, 07054. */
29 /* Tag names and codes. */
33 DW_TAG_padding = 0x00,
34 DW_TAG_array_type = 0x01,
35 DW_TAG_class_type = 0x02,
36 DW_TAG_entry_point = 0x03,
37 DW_TAG_enumeration_type = 0x04,
38 DW_TAG_formal_parameter = 0x05,
39 DW_TAG_imported_declaration = 0x08,
41 DW_TAG_lexical_block = 0x0b,
43 DW_TAG_pointer_type = 0x0f,
44 DW_TAG_reference_type = 0x10,
45 DW_TAG_compile_unit = 0x11,
46 DW_TAG_string_type = 0x12,
47 DW_TAG_structure_type = 0x13,
48 DW_TAG_subroutine_type = 0x15,
49 DW_TAG_typedef = 0x16,
50 DW_TAG_union_type = 0x17,
51 DW_TAG_unspecified_parameters = 0x18,
52 DW_TAG_variant = 0x19,
53 DW_TAG_common_block = 0x1a,
54 DW_TAG_common_inclusion = 0x1b,
55 DW_TAG_inheritance = 0x1c,
56 DW_TAG_inlined_subroutine = 0x1d,
58 DW_TAG_ptr_to_member_type = 0x1f,
59 DW_TAG_set_type = 0x20,
60 DW_TAG_subrange_type = 0x21,
61 DW_TAG_with_stmt = 0x22,
62 DW_TAG_access_declaration = 0x23,
63 DW_TAG_base_type = 0x24,
64 DW_TAG_catch_block = 0x25,
65 DW_TAG_const_type = 0x26,
66 DW_TAG_constant = 0x27,
67 DW_TAG_enumerator = 0x28,
68 DW_TAG_file_type = 0x29,
70 DW_TAG_namelist = 0x2b,
71 DW_TAG_namelist_item = 0x2c,
72 DW_TAG_packed_type = 0x2d,
73 DW_TAG_subprogram = 0x2e,
74 DW_TAG_template_type_param = 0x2f,
75 DW_TAG_template_value_param = 0x30,
76 DW_TAG_thrown_type = 0x31,
77 DW_TAG_try_block = 0x32,
78 DW_TAG_variant_part = 0x33,
79 DW_TAG_variable = 0x34,
80 DW_TAG_volatile_type = 0x35,
81 /* SGI/MIPS Extensions */
82 DW_TAG_MIPS_loop = 0x4081,
84 DW_TAG_format_label = 0x4101, /* for FORTRAN 77 and Fortran 90 */
85 DW_TAG_function_template = 0x4102, /* for C++ */
86 DW_TAG_class_template = 0x4103 /* for C++ */
89 #define DW_TAG_lo_user 0x4080
90 #define DW_TAG_hi_user 0xffff
92 /* flag that tells whether entry has a child or not */
93 #define DW_children_no 0
94 #define DW_children_yes 1
96 /* Form names and codes. */
100 DW_FORM_block2 = 0x03,
101 DW_FORM_block4 = 0x04,
102 DW_FORM_data2 = 0x05,
103 DW_FORM_data4 = 0x06,
104 DW_FORM_data8 = 0x07,
105 DW_FORM_string = 0x08,
106 DW_FORM_block = 0x09,
107 DW_FORM_block1 = 0x0a,
108 DW_FORM_data1 = 0x0b,
110 DW_FORM_sdata = 0x0d,
112 DW_FORM_udata = 0x0f,
113 DW_FORM_ref_addr = 0x10,
118 DW_FORM_ref_udata = 0x15,
119 DW_FORM_indirect = 0x16
122 /* Attribute names and codes. */
126 DW_AT_sibling = 0x01,
127 DW_AT_location = 0x02,
129 DW_AT_ordering = 0x09,
130 DW_AT_subscr_data = 0x0a,
131 DW_AT_byte_size = 0x0b,
132 DW_AT_bit_offset = 0x0c,
133 DW_AT_bit_size = 0x0d,
134 DW_AT_element_list = 0x0f,
135 DW_AT_stmt_list = 0x10,
137 DW_AT_high_pc = 0x12,
138 DW_AT_language = 0x13,
141 DW_AT_discr_value = 0x16,
142 DW_AT_visibility = 0x17,
144 DW_AT_string_length = 0x19,
145 DW_AT_common_reference = 0x1a,
146 DW_AT_comp_dir = 0x1b,
147 DW_AT_const_value = 0x1c,
148 DW_AT_containing_type = 0x1d,
149 DW_AT_default_value = 0x1e,
151 DW_AT_is_optional = 0x21,
152 DW_AT_lower_bound = 0x22,
153 DW_AT_producer = 0x25,
154 DW_AT_prototyped = 0x27,
155 DW_AT_return_addr = 0x2a,
156 DW_AT_start_scope = 0x2c,
157 DW_AT_stride_size = 0x2e,
158 DW_AT_upper_bound = 0x2f,
159 DW_AT_abstract_origin = 0x31,
160 DW_AT_accessibility = 0x32,
161 DW_AT_address_class = 0x33,
162 DW_AT_artificial = 0x34,
163 DW_AT_base_types = 0x35,
164 DW_AT_calling_convention = 0x36,
166 DW_AT_data_member_location = 0x38,
167 DW_AT_decl_column = 0x39,
168 DW_AT_decl_file = 0x3a,
169 DW_AT_decl_line = 0x3b,
170 DW_AT_declaration = 0x3c,
171 DW_AT_discr_list = 0x3d,
172 DW_AT_encoding = 0x3e,
173 DW_AT_external = 0x3f,
174 DW_AT_frame_base = 0x40,
176 DW_AT_identifier_case = 0x42,
177 DW_AT_macro_info = 0x43,
178 DW_AT_namelist_items = 0x44,
179 DW_AT_priority = 0x45,
180 DW_AT_segment = 0x46,
181 DW_AT_specification = 0x47,
182 DW_AT_static_link = 0x48,
184 DW_AT_use_location = 0x4a,
185 DW_AT_variable_parameter = 0x4b,
186 DW_AT_virtuality = 0x4c,
187 DW_AT_vtable_elem_location = 0x4d,
188 /* SGI/MIPS Extensions */
189 DW_AT_MIPS_fde = 0x2001,
190 DW_AT_MIPS_loop_begin = 0x2002,
191 DW_AT_MIPS_tail_loop_begin = 0x2003,
192 DW_AT_MIPS_epilog_begin = 0x2004,
193 DW_AT_MIPS_loop_unroll_factor = 0x2005,
194 DW_AT_MIPS_software_pipeline_depth = 0x2006,
195 DW_AT_MIPS_linkage_name = 0x2007,
196 DW_AT_MIPS_stride = 0x2008,
197 DW_AT_MIPS_abstract_name = 0x2009,
198 DW_AT_MIPS_clone_origin = 0x200a,
199 DW_AT_MIPS_has_inlines = 0x200b,
200 /* GNU extensions. */
201 DW_AT_sf_names = 0x2101,
202 DW_AT_src_info = 0x2102,
203 DW_AT_mac_info = 0x2103,
204 DW_AT_src_coords = 0x2104,
205 DW_AT_body_begin = 0x2105,
206 DW_AT_body_end = 0x2106
209 #define DW_AT_lo_user 0x2000 /* implementation-defined range start */
210 #define DW_AT_hi_user 0x3ff0 /* implementation-defined range end */
212 /* Location atom names and codes. */
214 enum dwarf_location_atom
218 DW_OP_const1u = 0x08,
219 DW_OP_const1s = 0x09,
220 DW_OP_const2u = 0x0a,
221 DW_OP_const2s = 0x0b,
222 DW_OP_const4u = 0x0c,
223 DW_OP_const4s = 0x0d,
224 DW_OP_const8u = 0x0e,
225 DW_OP_const8s = 0x0f,
245 DW_OP_plus_uconst = 0x23,
358 DW_OP_deref_size = 0x94,
359 DW_OP_xderef_size = 0x95,
363 #define DW_OP_lo_user 0x80 /* implementation-defined range start */
364 #define DW_OP_hi_user 0xff /* implementation-defined range end */
366 /* Type encodings. */
371 DW_ATE_address = 0x1,
372 DW_ATE_boolean = 0x2,
373 DW_ATE_complex_float = 0x3,
376 DW_ATE_signed_char = 0x6,
377 DW_ATE_unsigned = 0x7,
378 DW_ATE_unsigned_char = 0x8
381 #define DW_ATE_lo_user 0x80
382 #define DW_ATE_hi_user 0xff
384 /* Array ordering names and codes. */
385 enum dwarf_array_dim_ordering
387 DW_ORD_row_major = 0,
391 /* access attribute */
392 enum dwarf_access_attribute
394 DW_ACCESS_public = 1,
395 DW_ACCESS_protected = 2,
396 DW_ACCESS_private = 3
400 enum dwarf_visibility_attribute
408 enum dwarf_virtuality_attribute
410 DW_VIRTUALITY_none = 0,
411 DW_VIRTUALITY_virtual = 1,
412 DW_VIRTUALITY_pure_virtual = 2
415 /* case sensitivity */
418 DW_ID_case_sensitive = 0,
421 DW_ID_case_insensitive = 3
424 /* calling convention */
425 enum dwarf_calling_convention
432 #define DW_CC_lo_user 0x40
433 #define DW_CC_hi_user 0xff
435 /* inline attribute */
436 enum dwarf_inline_attribute
438 DW_INL_not_inlined = 0,
440 DW_INL_declared_not_inlined = 2,
441 DW_INL_declared_inlined = 3
444 /* descriminant lists */
445 enum dwarf_descrim_list
451 /* line number opcodes */
452 enum dwarf_line_number_ops
454 DW_LNS_extended_op = 0,
456 DW_LNS_advance_pc = 2,
457 DW_LNS_advance_line = 3,
459 DW_LNS_set_column = 5,
460 DW_LNS_negate_stmt = 6,
461 DW_LNS_set_basic_block = 7,
462 DW_LNS_const_add_pc = 8,
463 DW_LNS_fixed_advance_pc = 9
466 /* line number extended opcodes */
467 enum dwarf_line_number_x_ops
469 DW_LNE_end_sequence = 1,
470 DW_LNE_set_address = 2,
471 DW_LNE_define_file = 3
474 /* call frame information */
475 enum dwarf_call_frame_info
477 DW_CFA_advance_loc = 0x40,
478 DW_CFA_offset = 0x80,
479 DW_CFA_restore = 0xc0,
481 DW_CFA_set_loc = 0x01,
482 DW_CFA_advance_loc1 = 0x02,
483 DW_CFA_advance_loc2 = 0x03,
484 DW_CFA_advance_loc4 = 0x04,
485 DW_CFA_offset_extended = 0x05,
486 DW_CFA_restore_extended = 0x06,
487 DW_CFA_undefined = 0x07,
488 DW_CFA_same_value = 0x08,
489 DW_CFA_register = 0x09,
490 DW_CFA_remember_state = 0x0a,
491 DW_CFA_restore_state = 0x0b,
492 DW_CFA_def_cfa = 0x0c,
493 DW_CFA_def_cfa_register = 0x0d,
494 DW_CFA_def_cfa_offset = 0x0e,
495 /* SGI/MIPS specific */
496 DW_CFA_MIPS_advance_loc8 = 0x1d,
499 DW_CFA_GNU_window_save = 0x2d
502 #define DW_CIE_ID 0xffffffff
503 #define DW_CIE_VERSION 1
505 #define DW_CFA_extended 0
506 #define DW_CFA_low_user 0x1c
507 #define DW_CFA_high_user 0x3f
509 #define DW_CHILDREN_no 0x00
510 #define DW_CHILDREN_yes 0x01
512 #define DW_ADDR_none 0
514 /* Source language names and codes. */
516 enum dwarf_source_language
518 DW_LANG_C89 = 0x0001,
520 DW_LANG_Ada83 = 0x0003,
521 DW_LANG_C_plus_plus = 0x0004,
522 DW_LANG_Cobol74 = 0x0005,
523 DW_LANG_Cobol85 = 0x0006,
524 DW_LANG_Fortran77 = 0x0007,
525 DW_LANG_Fortran90 = 0x0008,
526 DW_LANG_Pascal83 = 0x0009,
527 DW_LANG_Modula2 = 0x000a,
528 DW_LANG_Mips_Assembler = 0x8001
532 #define DW_LANG_lo_user 0x8000 /* implementation-defined range start */
533 #define DW_LANG_hi_user 0xffff /* implementation-defined range start */
535 /* Names and codes for macro information. */
537 enum dwarf_macinfo_record_type
539 DW_MACINFO_define = 1,
540 DW_MACINFO_undef = 2,
541 DW_MACINFO_start_file = 3,
542 DW_MACINFO_end_file = 4,
543 DW_MACINFO_vendor_ext = 255