1 /* Declarations and definitions of codes relating to the DWARF2 and
2 DWARF3 symbolic debugging information formats.
3 Copyright (C) 1992-2017 Free Software Foundation, Inc.
5 Written by Gary Funck (gary@intrepid.com) The Ada Joint Program
6 Office (AJPO), Florida State University and Silicon Graphics Inc.
7 provided support for this effort -- June 21, 1995.
9 Derived from the DWARF 1 implementation written by Ron Guilmette
10 (rfg@netcom.com), November 1990.
12 This file is part of GCC.
14 GCC is free software; you can redistribute it and/or modify it under
15 the terms of the GNU General Public License as published by the Free
16 Software Foundation; either version 3, or (at your option) any later
19 GCC is distributed in the hope that it will be useful, but WITHOUT
20 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
21 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
22 License for more details.
24 Under Section 7 of GPL version 3, you are granted additional
25 permissions described in the GCC Runtime Library Exception, version
26 3.1, as published by the Free Software Foundation.
28 You should have received a copy of the GNU General Public License and
29 a copy of the GCC Runtime Library Exception along with this program;
30 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
31 <http://www.gnu.org/licenses/>. */
33 /* This file is derived from the DWARF specification (a public document)
34 Revision 2.0.0 (July 27, 1993) developed by the UNIX International
35 Programming Languages Special Interest Group (UI/PLSIG) and distributed
36 by UNIX International. Copies of this specification are available from
37 UNIX International, 20 Waterview Boulevard, Parsippany, NJ, 07054.
39 This file also now contains definitions from the DWARF 3 specification
40 published Dec 20, 2005, available from: http://dwarf.freestandards.org. */
45 #define DW_TAG(name, value) , name = value
46 #define DW_TAG_DUP(name, value) , name = value
47 #define DW_FORM(name, value) , name = value
48 #define DW_AT(name, value) , name = value
49 #define DW_AT_DUP(name, value) , name = value
50 #define DW_OP(name, value) , name = value
51 #define DW_OP_DUP(name, value) , name = value
52 #define DW_ATE(name, value) , name = value
53 #define DW_ATE_DUP(name, value) , name = value
54 #define DW_CFA(name, value) , name = value
56 #define DW_FIRST_TAG(name, value) enum dwarf_tag { \
59 #define DW_FIRST_FORM(name, value) enum dwarf_form { \
61 #define DW_END_FORM };
62 #define DW_FIRST_AT(name, value) enum dwarf_attribute { \
65 #define DW_FIRST_OP(name, value) enum dwarf_location_atom { \
68 #define DW_FIRST_ATE(name, value) enum dwarf_type { \
71 #define DW_FIRST_CFA(name, value) enum dwarf_call_frame_info { \
101 /* Flag that tells whether entry has a child or not. */
102 #define DW_children_no 0
103 #define DW_children_yes 1
105 #define DW_AT_stride_size DW_AT_bit_stride /* Note: The use of DW_AT_stride_size is deprecated. */
106 #define DW_AT_stride DW_AT_byte_stride /* Note: The use of DW_AT_stride is deprecated. */
108 /* Decimal sign encodings. */
109 enum dwarf_decimal_sign_encoding
112 DW_DS_unsigned = 0x01,
113 DW_DS_leading_overpunch = 0x02,
114 DW_DS_trailing_overpunch = 0x03,
115 DW_DS_leading_separate = 0x04,
116 DW_DS_trailing_separate = 0x05
119 /* Endianity encodings. */
120 enum dwarf_endianity_encoding
123 DW_END_default = 0x00,
125 DW_END_little = 0x02,
127 DW_END_lo_user = 0x40,
128 DW_END_hi_user = 0xff
131 /* Array ordering names and codes. */
132 enum dwarf_array_dim_ordering
134 DW_ORD_row_major = 0,
138 /* Access attribute. */
139 enum dwarf_access_attribute
141 DW_ACCESS_public = 1,
142 DW_ACCESS_protected = 2,
143 DW_ACCESS_private = 3
147 enum dwarf_visibility_attribute
155 enum dwarf_virtuality_attribute
157 DW_VIRTUALITY_none = 0,
158 DW_VIRTUALITY_virtual = 1,
159 DW_VIRTUALITY_pure_virtual = 2
162 /* Case sensitivity. */
165 DW_ID_case_sensitive = 0,
168 DW_ID_case_insensitive = 3
171 /* Calling convention. */
172 enum dwarf_calling_convention
179 DW_CC_pass_by_reference = 0x4,
180 DW_CC_pass_by_value = 0x5,
182 DW_CC_lo_user = 0x40,
183 DW_CC_hi_user = 0xff,
185 DW_CC_GNU_renesas_sh = 0x40,
186 DW_CC_GNU_borland_fastcall_i386 = 0x41,
188 /* This DW_CC_ value is not currently generated by any toolchain. It is
189 used internally to GDB to indicate OpenCL C functions that have been
190 compiled with the IBM XL C for OpenCL compiler and use a non-platform
191 calling convention for passing OpenCL C vector types. This value may
192 be changed freely as long as it does not conflict with any other DW_CC_
193 value defined here. */
194 DW_CC_GDB_IBM_OpenCL = 0xff
197 /* Inline attribute. */
198 enum dwarf_inline_attribute
200 DW_INL_not_inlined = 0,
202 DW_INL_declared_not_inlined = 2,
203 DW_INL_declared_inlined = 3
206 /* Discriminant lists. */
207 enum dwarf_discrim_list
213 /* Line number opcodes. */
214 enum dwarf_line_number_ops
216 DW_LNS_extended_op = 0,
218 DW_LNS_advance_pc = 2,
219 DW_LNS_advance_line = 3,
221 DW_LNS_set_column = 5,
222 DW_LNS_negate_stmt = 6,
223 DW_LNS_set_basic_block = 7,
224 DW_LNS_const_add_pc = 8,
225 DW_LNS_fixed_advance_pc = 9,
227 DW_LNS_set_prologue_end = 10,
228 DW_LNS_set_epilogue_begin = 11,
232 /* Line number extended opcodes. */
233 enum dwarf_line_number_x_ops
235 DW_LNE_end_sequence = 1,
236 DW_LNE_set_address = 2,
237 DW_LNE_define_file = 3,
238 DW_LNE_set_discriminator = 4,
240 DW_LNE_HP_negate_is_UV_update = 0x11,
241 DW_LNE_HP_push_context = 0x12,
242 DW_LNE_HP_pop_context = 0x13,
243 DW_LNE_HP_set_file_line_column = 0x14,
244 DW_LNE_HP_set_routine_name = 0x15,
245 DW_LNE_HP_set_sequence = 0x16,
246 DW_LNE_HP_negate_post_semantics = 0x17,
247 DW_LNE_HP_negate_function_exit = 0x18,
248 DW_LNE_HP_negate_front_end_logical = 0x19,
249 DW_LNE_HP_define_proc = 0x20,
250 DW_LNE_HP_source_file_correlation = 0x80,
252 DW_LNE_lo_user = 0x80,
253 DW_LNE_hi_user = 0xff
256 /* Sub-opcodes for DW_LNE_HP_source_file_correlation. */
257 enum dwarf_line_number_hp_sfc_ops
259 DW_LNE_HP_SFC_formfeed = 1,
260 DW_LNE_HP_SFC_set_listing_line = 2,
261 DW_LNE_HP_SFC_associate = 3
264 /* Content type codes in line table directory_entry_format
265 and file_name_entry_format sequences. */
266 enum dwarf_line_number_content_type
269 DW_LNCT_directory_index = 0x2,
270 DW_LNCT_timestamp = 0x3,
273 DW_LNCT_lo_user = 0x2000,
274 DW_LNCT_hi_user = 0x3fff
277 /* Type codes for location list entries. */
278 enum dwarf_location_list_entry_type
280 DW_LLE_end_of_list = 0x00,
281 DW_LLE_base_addressx = 0x01,
282 DW_LLE_startx_endx = 0x02,
283 DW_LLE_startx_length = 0x03,
284 DW_LLE_offset_pair = 0x04,
285 DW_LLE_default_location = 0x05,
286 DW_LLE_base_address = 0x06,
287 DW_LLE_start_end = 0x07,
288 DW_LLE_start_length = 0x08,
290 /* Former extension for Fission.
291 See http://gcc.gnu.org/wiki/DebugFission. */
292 DW_LLE_GNU_end_of_list_entry = 0x00,
293 DW_LLE_GNU_base_address_selection_entry = 0x01,
294 DW_LLE_GNU_start_end_entry = 0x02,
295 DW_LLE_GNU_start_length_entry = 0x03
298 #define DW_CIE_ID 0xffffffff
299 #define DW64_CIE_ID 0xffffffffffffffffULL
300 #define DW_CIE_VERSION 1
302 #define DW_CFA_extended 0
304 #define DW_CHILDREN_no 0x00
305 #define DW_CHILDREN_yes 0x01
307 #define DW_ADDR_none 0
309 /* Source language names and codes. */
310 enum dwarf_source_language
312 DW_LANG_C89 = 0x0001,
314 DW_LANG_Ada83 = 0x0003,
315 DW_LANG_C_plus_plus = 0x0004,
316 DW_LANG_Cobol74 = 0x0005,
317 DW_LANG_Cobol85 = 0x0006,
318 DW_LANG_Fortran77 = 0x0007,
319 DW_LANG_Fortran90 = 0x0008,
320 DW_LANG_Pascal83 = 0x0009,
321 DW_LANG_Modula2 = 0x000a,
323 DW_LANG_Java = 0x000b,
324 DW_LANG_C99 = 0x000c,
325 DW_LANG_Ada95 = 0x000d,
326 DW_LANG_Fortran95 = 0x000e,
327 DW_LANG_PLI = 0x000f,
328 DW_LANG_ObjC = 0x0010,
329 DW_LANG_ObjC_plus_plus = 0x0011,
330 DW_LANG_UPC = 0x0012,
333 DW_LANG_Python = 0x0014,
335 DW_LANG_OpenCL = 0x0015,
337 DW_LANG_Modula3 = 0x0017,
338 DW_LANG_Haskell = 0x0018,
339 DW_LANG_C_plus_plus_03 = 0x0019,
340 DW_LANG_C_plus_plus_11 = 0x001a,
341 DW_LANG_OCaml = 0x001b,
342 DW_LANG_Rust = 0x001c,
343 DW_LANG_C11 = 0x001d,
344 DW_LANG_Swift = 0x001e,
345 DW_LANG_Julia = 0x001f,
346 DW_LANG_Dylan = 0x0020,
347 DW_LANG_C_plus_plus_14 = 0x0021,
348 DW_LANG_Fortran03 = 0x0022,
349 DW_LANG_Fortran08 = 0x0023,
350 DW_LANG_RenderScript = 0x0024,
352 DW_LANG_lo_user = 0x8000, /* Implementation-defined range start. */
353 DW_LANG_hi_user = 0xffff, /* Implementation-defined range start. */
356 DW_LANG_Mips_Assembler = 0x8001,
358 DW_LANG_Upc = 0x8765,
360 DW_LANG_HP_Bliss = 0x8003,
361 DW_LANG_HP_Basic91 = 0x8004,
362 DW_LANG_HP_Pascal91 = 0x8005,
363 DW_LANG_HP_IMacro = 0x8006,
364 DW_LANG_HP_Assembler = 0x8007,
366 /* Rust extension, but replaced in DWARF 5. */
367 DW_LANG_Rust_old = 0x9000
370 /* Names and codes for macro information. */
371 enum dwarf_macinfo_record_type
373 DW_MACINFO_define = 1,
374 DW_MACINFO_undef = 2,
375 DW_MACINFO_start_file = 3,
376 DW_MACINFO_end_file = 4,
377 DW_MACINFO_vendor_ext = 255
380 /* DW_TAG_defaulted/DW_TAG_GNU_defaulted attributes. */
381 enum dwarf_defaulted_attribute
383 DW_DEFAULTED_no = 0x00,
384 DW_DEFAULTED_in_class = 0x01,
385 DW_DEFAULTED_out_of_class = 0x02
388 /* Names and codes for new style macro information. */
389 enum dwarf_macro_record_type
391 DW_MACRO_define = 0x01,
392 DW_MACRO_undef = 0x02,
393 DW_MACRO_start_file = 0x03,
394 DW_MACRO_end_file = 0x04,
395 DW_MACRO_define_strp = 0x05,
396 DW_MACRO_undef_strp = 0x06,
397 DW_MACRO_import = 0x07,
398 DW_MACRO_define_sup = 0x08,
399 DW_MACRO_undef_sup = 0x09,
400 DW_MACRO_import_sup = 0x0a,
401 DW_MACRO_define_strx = 0x0b,
402 DW_MACRO_undef_strx = 0x0c,
403 DW_MACRO_lo_user = 0xe0,
404 DW_MACRO_hi_user = 0xff,
406 /* Compatibility macros for the GNU .debug_macro extension. */
407 DW_MACRO_GNU_define = 0x01,
408 DW_MACRO_GNU_undef = 0x02,
409 DW_MACRO_GNU_start_file = 0x03,
410 DW_MACRO_GNU_end_file = 0x04,
411 DW_MACRO_GNU_define_indirect = 0x05,
412 DW_MACRO_GNU_undef_indirect = 0x06,
413 DW_MACRO_GNU_transparent_include = 0x07,
414 /* Extensions for DWZ multifile.
415 See http://www.dwarfstd.org/ShowIssue.php?issue=120604.1&type=open . */
416 DW_MACRO_GNU_define_indirect_alt = 0x08,
417 DW_MACRO_GNU_undef_indirect_alt = 0x09,
418 DW_MACRO_GNU_transparent_include_alt = 0x0a,
419 DW_MACRO_GNU_lo_user = 0xe0,
420 DW_MACRO_GNU_hi_user = 0xff
423 /* Index attributes in the Abbreviations Table. */
424 enum dwarf_name_index_attribute
426 DW_IDX_compile_unit = 1,
427 DW_IDX_type_unit = 2,
428 DW_IDX_die_offset = 3,
430 DW_IDX_type_hash = 5,
431 DW_IDX_lo_user = 0x2000,
432 DW_IDX_hi_user = 0x3fff
435 /* Range list entry kinds in .debug_rnglists* section. */
436 enum dwarf_range_list_entry
438 DW_RLE_end_of_list = 0x00,
439 DW_RLE_base_addressx = 0x01,
440 DW_RLE_startx_endx = 0x02,
441 DW_RLE_startx_length = 0x03,
442 DW_RLE_offset_pair = 0x04,
443 DW_RLE_base_address = 0x05,
444 DW_RLE_start_end = 0x06,
445 DW_RLE_start_length = 0x07
448 /* Unit types in unit_type unit header field. */
451 DW_UT_compile = 0x01,
453 DW_UT_partial = 0x03,
454 DW_UT_skeleton = 0x04,
455 DW_UT_split_compile = 0x05,
456 DW_UT_split_type = 0x06,
457 DW_UT_lo_user = 0x80,
461 /* @@@ For use with GNU frame unwind information. */
463 #define DW_EH_PE_absptr 0x00
464 #define DW_EH_PE_omit 0xff
466 #define DW_EH_PE_uleb128 0x01
467 #define DW_EH_PE_udata2 0x02
468 #define DW_EH_PE_udata4 0x03
469 #define DW_EH_PE_udata8 0x04
470 #define DW_EH_PE_sleb128 0x09
471 #define DW_EH_PE_sdata2 0x0A
472 #define DW_EH_PE_sdata4 0x0B
473 #define DW_EH_PE_sdata8 0x0C
474 #define DW_EH_PE_signed 0x08
476 #define DW_EH_PE_pcrel 0x10
477 #define DW_EH_PE_textrel 0x20
478 #define DW_EH_PE_datarel 0x30
479 #define DW_EH_PE_funcrel 0x40
480 #define DW_EH_PE_aligned 0x50
482 #define DW_EH_PE_indirect 0x80
484 /* Codes for the debug sections in a dwarf package (.dwp) file.
485 Extensions for Fission. See http://gcc.gnu.org/wiki/DebugFissionDWP. */
493 DW_SECT_STR_OFFSETS = 6,
501 #endif /* __cplusplus */
503 /* Return the name of a DW_TAG_ constant, or NULL if the value is not
505 extern const char *get_DW_TAG_name (unsigned int tag);
507 /* Return the name of a DW_AT_ constant, or NULL if the value is not
509 extern const char *get_DW_AT_name (unsigned int attr);
511 /* Return the name of a DW_FORM_ constant, or NULL if the value is not
513 extern const char *get_DW_FORM_name (unsigned int form);
515 /* Return the name of a DW_OP_ constant, or NULL if the value is not
517 extern const char *get_DW_OP_name (unsigned int op);
519 /* Return the name of a DW_ATE_ constant, or NULL if the value is not
521 extern const char *get_DW_ATE_name (unsigned int enc);
523 /* Return the name of a DW_CFA_ constant, or NULL if the value is not
525 extern const char *get_DW_CFA_name (unsigned int opc);
529 #endif /* __cplusplus */
531 #endif /* _DWARF2_H */