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 /* GNU extensions. */
197 DW_AT_sf_names
= 0x2101,
198 DW_AT_src_info
= 0x2102,
199 DW_AT_mac_info
= 0x2103,
200 DW_AT_src_coords
= 0x2104,
201 DW_AT_body_begin
= 0x2105,
202 DW_AT_body_end
= 0x2106
205 #define DW_AT_lo_user 0x2000 /* implementation-defined range start */
206 #define DW_AT_hi_user 0x3ff0 /* implementation-defined range end */
208 /* Location atom names and codes. */
210 enum dwarf_location_atom
214 DW_OP_const1u
= 0x08,
215 DW_OP_const1s
= 0x09,
216 DW_OP_const2u
= 0x0a,
217 DW_OP_const2s
= 0x0b,
218 DW_OP_const4u
= 0x0c,
219 DW_OP_const4s
= 0x0d,
220 DW_OP_const8u
= 0x0e,
221 DW_OP_const8s
= 0x0f,
241 DW_OP_plus_uconst
= 0x23,
354 DW_OP_deref_size
= 0x94,
355 DW_OP_xderef_size
= 0x95,
359 #define DW_OP_lo_user 0x80 /* implementation-defined range start */
360 #define DW_OP_hi_user 0xff /* implementation-defined range end */
362 /* Type encodings. */
367 DW_ATE_address
= 0x1,
368 DW_ATE_boolean
= 0x2,
369 DW_ATE_complex_float
= 0x3,
372 DW_ATE_signed_char
= 0x6,
373 DW_ATE_unsigned
= 0x7,
374 DW_ATE_unsigned_char
= 0x8
377 #define DW_ATE_lo_user 0x80
378 #define DW_ATE_hi_user 0xff
380 /* Array ordering names and codes. */
381 enum dwarf_array_dim_ordering
383 DW_ORD_row_major
= 0,
387 /* access attribute */
388 enum dwarf_access_attribute
390 DW_ACCESS_public
= 1,
391 DW_ACCESS_protected
= 2,
392 DW_ACCESS_private
= 3
396 enum dwarf_visibility_attribute
404 enum dwarf_virtuality_attribute
406 DW_VIRTUALITY_none
= 0,
407 DW_VIRTUALITY_virtual
= 1,
408 DW_VIRTUALITY_pure_virtual
= 2
411 /* case sensitivity */
414 DW_ID_case_sensitive
= 0,
417 DW_ID_case_insensitive
= 3
420 /* calling convention */
421 enum dwarf_calling_convention
428 #define DW_CC_lo_user 0x40
429 #define DW_CC_hi_user 0xff
431 /* inline attribute */
432 enum dwarf_inline_attribute
434 DW_INL_not_inlined
= 0,
436 DW_INL_declared_not_inlined
= 2,
437 DW_INL_declared_inlined
= 3
440 /* descriminant lists */
441 enum dwarf_descrim_list
447 /* line number opcodes */
448 enum dwarf_line_number_ops
450 DW_LNS_extended_op
= 0,
452 DW_LNS_advance_pc
= 2,
453 DW_LNS_advance_line
= 3,
455 DW_LNS_set_column
= 5,
456 DW_LNS_negate_stmt
= 6,
457 DW_LNS_set_basic_block
= 7,
458 DW_LNS_const_add_pc
= 8,
459 DW_LNS_fixed_advance_pc
= 9
462 /* line number extended opcodes */
463 enum dwarf_line_number_x_ops
465 DW_LNE_end_sequence
= 1,
466 DW_LNE_set_address
= 2,
467 DW_LNE_define_file
= 3
470 /* call frame information */
471 enum dwarf_call_frame_info
473 DW_CFA_advance_loc
= 0x40,
474 DW_CFA_offset
= 0x80,
475 DW_CFA_restore
= 0xc0,
477 DW_CFA_set_loc
= 0x01,
478 DW_CFA_advance_loc1
= 0x02,
479 DW_CFA_advance_loc2
= 0x03,
480 DW_CFA_advance_loc4
= 0x04,
481 DW_CFA_offset_extended
= 0x05,
482 DW_CFA_restore_extended
= 0x06,
483 DW_CFA_undefined
= 0x07,
484 DW_CFA_same_value
= 0x08,
485 DW_CFA_register
= 0x09,
486 DW_CFA_remember_state
= 0x0a,
487 DW_CFA_restore_state
= 0x0b,
488 DW_CFA_def_cfa
= 0x0c,
489 DW_CFA_def_cfa_register
= 0x0d,
490 DW_CFA_def_cfa_offset
= 0x0e,
491 /* SGI/MIPS specific */
492 DW_CFA_MIPS_advance_loc8
= 0x1d
495 #define DW_CIE_ID 0xffffffff
496 #define DW_CIE_VERSION 1
498 #define DW_CFA_extended 0
499 #define DW_CFA_low_user 0x1c
500 #define DW_CFA_high_user 0x3f
502 /* SGI/MIPS call frame register usage information */
503 enum dwarf_call_reg_usage
505 DW_FRAME_CFA_COL
= 0,
547 DW_FRAME_FREG10
= 42,
548 DW_FRAME_FREG11
= 43,
549 DW_FRAME_FREG12
= 44,
550 DW_FRAME_FREG13
= 45,
551 DW_FRAME_FREG14
= 46,
552 DW_FRAME_FREG15
= 47,
553 DW_FRAME_FREG16
= 48,
554 DW_FRAME_FREG17
= 49,
555 DW_FRAME_FREG18
= 50,
556 DW_FRAME_FREG19
= 51,
557 DW_FRAME_FREG20
= 52,
558 DW_FRAME_FREG21
= 53,
559 DW_FRAME_FREG22
= 54,
560 DW_FRAME_FREG23
= 55,
561 DW_FRAME_FREG24
= 56,
562 DW_FRAME_FREG25
= 57,
563 DW_FRAME_FREG26
= 58,
564 DW_FRAME_FREG27
= 59,
565 DW_FRAME_FREG28
= 60,
566 DW_FRAME_FREG29
= 61,
567 DW_FRAME_FREG30
= 62,
568 DW_FRAME_FREG31
= 63,
569 DW_FRAME_RA_COL
= 64,
570 DW_FRAME_STATIC_LINK
= 65
573 /* This is the number of columns in the Frame Table. */
574 #define DW_FRAME_LAST_REG_NUM 66
578 #define DW_CHILDREN_no 0x00
579 #define DW_CHILDREN_yes 0x01
581 #define DW_ADDR_none 0
583 /* Source language names and codes. */
585 enum dwarf_source_language
587 DW_LANG_C89
= 0x0001,
589 DW_LANG_Ada83
= 0x0003,
590 DW_LANG_C_plus_plus
= 0x0004,
591 DW_LANG_Cobol74
= 0x0005,
592 DW_LANG_Cobol85
= 0x0006,
593 DW_LANG_Fortran77
= 0x0007,
594 DW_LANG_Fortran90
= 0x0008,
595 DW_LANG_Pascal83
= 0x0009,
596 DW_LANG_Modula2
= 0x000a,
597 DW_LANG_Mips_Assembler
= 0x8001
601 #define DW_LANG_lo_user 0x8000 /* implementation-defined range start */
602 #define DW_LANG_hi_user 0xffff /* implementation-defined range start */
604 /* Names and codes for GNU "macinfo" extension. */
606 enum dwarf_macinfo_record_type
608 DW_MACINFO_define
= 1,
609 DW_MACINFO_undef
= 2,
610 DW_MACINFO_start_file
= 3,
611 DW_MACINFO_end_file
= 4,
612 DW_MACINFO_vend_ext
= 255