dwarf2.h revision 89857 
1/* Declarations and definitions of codes relating to the DWARF2 symbolic
2   debugging information format.
3   Copyright 1992, 1993, 1995, 1996, 1999, 2000, 2001
4   Free Software Foundation, Inc.
5
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.
9
10   Derived from the DWARF 1 implementation written by Ron Guilmette
11   (rfg@netcom.com), November 1990.
12
13This file is part of GNU CC.
14
15GNU CC is free software; you can redistribute it and/or modify it
16under the terms of the GNU General Public License as published by the
17Free Software Foundation; either version 2, or (at your option) any
18later version.
19
20GNU CC is distributed in the hope that it will be useful, but WITHOUT
21ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
22FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
23for more details.
24
25You should have received a copy of the GNU General Public License
26along with GNU CC; see the file COPYING.  If not, write to the Free
27Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
28
29/* This file is derived from the DWARF specification (a public document)
30   Revision 2.0.0 (July 27, 1993) developed by the UNIX International
31   Programming Languages Special Interest Group (UI/PLSIG) and distributed
32   by UNIX International.  Copies of this specification are available from
33   UNIX International, 20 Waterview Boulevard, Parsippany, NJ, 07054.
34
35   This file also now contains definitions from the DWARF 2.1 specification.  */
36
37/* This file is shared between GCC and GDB, and should not contain
38   prototypes.  */
39
40#ifndef _ELF_DWARF2_H
41#define _ELF_DWARF2_H
42
43/* Structure found in the .debug_line section.  */
44typedef struct
45{
46  unsigned char li_length          [4];
47  unsigned char li_version         [2];
48  unsigned char li_prologue_length [4];
49  unsigned char li_min_insn_length [1];
50  unsigned char li_default_is_stmt [1];
51  unsigned char li_line_base       [1];
52  unsigned char li_line_range      [1];
53  unsigned char li_opcode_base     [1];
54}
55DWARF2_External_LineInfo;
56
57typedef struct
58{
59  unsigned long  li_length;
60  unsigned short li_version;
61  unsigned int   li_prologue_length;
62  unsigned char  li_min_insn_length;
63  unsigned char  li_default_is_stmt;
64  int            li_line_base;
65  unsigned char  li_line_range;
66  unsigned char  li_opcode_base;
67}
68DWARF2_Internal_LineInfo;
69
70/* Structure found in .debug_pubnames section.  */
71typedef struct
72{
73  unsigned char pn_length  [4];
74  unsigned char pn_version [2];
75  unsigned char pn_offset  [4];
76  unsigned char pn_size    [4];
77}
78DWARF2_External_PubNames;
79
80typedef struct
81{
82  unsigned long  pn_length;
83  unsigned short pn_version;
84  unsigned long  pn_offset;
85  unsigned long  pn_size;
86}
87DWARF2_Internal_PubNames;
88
89/* Strcuture found in .debug_info section.  */
90typedef struct
91{
92  unsigned char  cu_length        [4];
93  unsigned char  cu_version       [2];
94  unsigned char  cu_abbrev_offset [4];
95  unsigned char  cu_pointer_size  [1];
96}
97DWARF2_External_CompUnit;
98
99typedef struct
100{
101  unsigned long  cu_length;
102  unsigned short cu_version;
103  unsigned long  cu_abbrev_offset;
104  unsigned char  cu_pointer_size;
105}
106DWARF2_Internal_CompUnit;
107
108typedef struct
109{
110  unsigned char  ar_length       [4];
111  unsigned char  ar_version      [2];
112  unsigned char  ar_info_offset  [4];
113  unsigned char  ar_pointer_size [1];
114  unsigned char  ar_segment_size [1];
115}
116DWARF2_External_ARange;
117
118typedef struct
119{
120  unsigned long  ar_length;
121  unsigned short ar_version;
122  unsigned long  ar_info_offset;
123  unsigned char  ar_pointer_size;
124  unsigned char  ar_segment_size;
125}
126DWARF2_Internal_ARange;
127
128
129/* Tag names and codes.  */
130enum dwarf_tag
131  {
132    DW_TAG_padding = 0x00,
133    DW_TAG_array_type = 0x01,
134    DW_TAG_class_type = 0x02,
135    DW_TAG_entry_point = 0x03,
136    DW_TAG_enumeration_type = 0x04,
137    DW_TAG_formal_parameter = 0x05,
138    DW_TAG_imported_declaration = 0x08,
139    DW_TAG_label = 0x0a,
140    DW_TAG_lexical_block = 0x0b,
141    DW_TAG_member = 0x0d,
142    DW_TAG_pointer_type = 0x0f,
143    DW_TAG_reference_type = 0x10,
144    DW_TAG_compile_unit = 0x11,
145    DW_TAG_string_type = 0x12,
146    DW_TAG_structure_type = 0x13,
147    DW_TAG_subroutine_type = 0x15,
148    DW_TAG_typedef = 0x16,
149    DW_TAG_union_type = 0x17,
150    DW_TAG_unspecified_parameters = 0x18,
151    DW_TAG_variant = 0x19,
152    DW_TAG_common_block = 0x1a,
153    DW_TAG_common_inclusion = 0x1b,
154    DW_TAG_inheritance = 0x1c,
155    DW_TAG_inlined_subroutine = 0x1d,
156    DW_TAG_module = 0x1e,
157    DW_TAG_ptr_to_member_type = 0x1f,
158    DW_TAG_set_type = 0x20,
159    DW_TAG_subrange_type = 0x21,
160    DW_TAG_with_stmt = 0x22,
161    DW_TAG_access_declaration = 0x23,
162    DW_TAG_base_type = 0x24,
163    DW_TAG_catch_block = 0x25,
164    DW_TAG_const_type = 0x26,
165    DW_TAG_constant = 0x27,
166    DW_TAG_enumerator = 0x28,
167    DW_TAG_file_type = 0x29,
168    DW_TAG_friend = 0x2a,
169    DW_TAG_namelist = 0x2b,
170    DW_TAG_namelist_item = 0x2c,
171    DW_TAG_packed_type = 0x2d,
172    DW_TAG_subprogram = 0x2e,
173    DW_TAG_template_type_param = 0x2f,
174    DW_TAG_template_value_param = 0x30,
175    DW_TAG_thrown_type = 0x31,
176    DW_TAG_try_block = 0x32,
177    DW_TAG_variant_part = 0x33,
178    DW_TAG_variable = 0x34,
179    DW_TAG_volatile_type = 0x35,
180    /* DWARF 2.1.  */
181    DW_TAG_dwarf_procedure = 0x36,
182    DW_TAG_restrict_type = 0x37,
183    DW_TAG_interface_type = 0x38,
184    DW_TAG_namespace = 0x39,
185    DW_TAG_imported_module = 0x3a,
186    DW_TAG_unspecified_type = 0x3b,
187    DW_TAG_partial_unit = 0x3c,
188    DW_TAG_imported_unit = 0x3d,
189    /* SGI/MIPS Extensions.  */
190    DW_TAG_MIPS_loop = 0x4081,
191    /* GNU extensions.  */
192    DW_TAG_format_label = 0x4101,	/* For FORTRAN 77 and Fortran 90.  */
193    DW_TAG_function_template = 0x4102,	/* for C++ */
194    DW_TAG_class_template = 0x4103,	/* for C++ */
195    DW_TAG_GNU_BINCL = 0x4104,
196    DW_TAG_GNU_EINCL = 0x4105
197  };
198
199#define DW_TAG_lo_user	0x4080
200#define DW_TAG_hi_user	0xffff
201
202/* Flag that tells whether entry has a child or not.  */
203#define DW_children_no   0
204#define	DW_children_yes  1
205
206/* Form names and codes.  */
207enum dwarf_form
208  {
209    DW_FORM_addr = 0x01,
210    DW_FORM_block2 = 0x03,
211    DW_FORM_block4 = 0x04,
212    DW_FORM_data2 = 0x05,
213    DW_FORM_data4 = 0x06,
214    DW_FORM_data8 = 0x07,
215    DW_FORM_string = 0x08,
216    DW_FORM_block = 0x09,
217    DW_FORM_block1 = 0x0a,
218    DW_FORM_data1 = 0x0b,
219    DW_FORM_flag = 0x0c,
220    DW_FORM_sdata = 0x0d,
221    DW_FORM_strp = 0x0e,
222    DW_FORM_udata = 0x0f,
223    DW_FORM_ref_addr = 0x10,
224    DW_FORM_ref1 = 0x11,
225    DW_FORM_ref2 = 0x12,
226    DW_FORM_ref4 = 0x13,
227    DW_FORM_ref8 = 0x14,
228    DW_FORM_ref_udata = 0x15,
229    DW_FORM_indirect = 0x16
230  };
231
232/* Attribute names and codes.  */
233
234enum dwarf_attribute
235  {
236    DW_AT_sibling = 0x01,
237    DW_AT_location = 0x02,
238    DW_AT_name = 0x03,
239    DW_AT_ordering = 0x09,
240    DW_AT_subscr_data = 0x0a,
241    DW_AT_byte_size = 0x0b,
242    DW_AT_bit_offset = 0x0c,
243    DW_AT_bit_size = 0x0d,
244    DW_AT_element_list = 0x0f,
245    DW_AT_stmt_list = 0x10,
246    DW_AT_low_pc = 0x11,
247    DW_AT_high_pc = 0x12,
248    DW_AT_language = 0x13,
249    DW_AT_member = 0x14,
250    DW_AT_discr = 0x15,
251    DW_AT_discr_value = 0x16,
252    DW_AT_visibility = 0x17,
253    DW_AT_import = 0x18,
254    DW_AT_string_length = 0x19,
255    DW_AT_common_reference = 0x1a,
256    DW_AT_comp_dir = 0x1b,
257    DW_AT_const_value = 0x1c,
258    DW_AT_containing_type = 0x1d,
259    DW_AT_default_value = 0x1e,
260    DW_AT_inline = 0x20,
261    DW_AT_is_optional = 0x21,
262    DW_AT_lower_bound = 0x22,
263    DW_AT_producer = 0x25,
264    DW_AT_prototyped = 0x27,
265    DW_AT_return_addr = 0x2a,
266    DW_AT_start_scope = 0x2c,
267    DW_AT_stride_size = 0x2e,
268    DW_AT_upper_bound = 0x2f,
269    DW_AT_abstract_origin = 0x31,
270    DW_AT_accessibility = 0x32,
271    DW_AT_address_class = 0x33,
272    DW_AT_artificial = 0x34,
273    DW_AT_base_types = 0x35,
274    DW_AT_calling_convention = 0x36,
275    DW_AT_count = 0x37,
276    DW_AT_data_member_location = 0x38,
277    DW_AT_decl_column = 0x39,
278    DW_AT_decl_file = 0x3a,
279    DW_AT_decl_line = 0x3b,
280    DW_AT_declaration = 0x3c,
281    DW_AT_discr_list = 0x3d,
282    DW_AT_encoding = 0x3e,
283    DW_AT_external = 0x3f,
284    DW_AT_frame_base = 0x40,
285    DW_AT_friend = 0x41,
286    DW_AT_identifier_case = 0x42,
287    DW_AT_macro_info = 0x43,
288    DW_AT_namelist_items = 0x44,
289    DW_AT_priority = 0x45,
290    DW_AT_segment = 0x46,
291    DW_AT_specification = 0x47,
292    DW_AT_static_link = 0x48,
293    DW_AT_type = 0x49,
294    DW_AT_use_location = 0x4a,
295    DW_AT_variable_parameter = 0x4b,
296    DW_AT_virtuality = 0x4c,
297    DW_AT_vtable_elem_location = 0x4d,
298    /* DWARF 2.1 values.  */
299    DW_AT_allocated     = 0x4e,
300    DW_AT_associated    = 0x4f,
301    DW_AT_data_location = 0x50,
302    DW_AT_stride        = 0x51,
303    DW_AT_entry_pc      = 0x52,
304    DW_AT_use_UTF8      = 0x53,
305    DW_AT_extension     = 0x54,
306    DW_AT_ranges        = 0x55,
307    DW_AT_trampoline    = 0x56,
308    DW_AT_call_column   = 0x57,
309    DW_AT_call_file     = 0x58,
310    DW_AT_call_line     = 0x59,
311    /* SGI/MIPS Extensions.  */
312    DW_AT_MIPS_fde = 0x2001,
313    DW_AT_MIPS_loop_begin = 0x2002,
314    DW_AT_MIPS_tail_loop_begin = 0x2003,
315    DW_AT_MIPS_epilog_begin = 0x2004,
316    DW_AT_MIPS_loop_unroll_factor = 0x2005,
317    DW_AT_MIPS_software_pipeline_depth = 0x2006,
318    DW_AT_MIPS_linkage_name = 0x2007,
319    DW_AT_MIPS_stride = 0x2008,
320    DW_AT_MIPS_abstract_name = 0x2009,
321    DW_AT_MIPS_clone_origin = 0x200a,
322    DW_AT_MIPS_has_inlines = 0x200b,
323    /* GNU extensions.  */
324    DW_AT_sf_names   = 0x2101,
325    DW_AT_src_info   = 0x2102,
326    DW_AT_mac_info   = 0x2103,
327    DW_AT_src_coords = 0x2104,
328    DW_AT_body_begin = 0x2105,
329    DW_AT_body_end   = 0x2106
330  };
331
332#define DW_AT_lo_user	0x2000	/* Implementation-defined range start.  */
333#define DW_AT_hi_user	0x3ff0	/* Implementation-defined range end.  */
334
335/* Location atom names and codes.  */
336enum dwarf_location_atom
337  {
338    DW_OP_addr = 0x03,
339    DW_OP_deref = 0x06,
340    DW_OP_const1u = 0x08,
341    DW_OP_const1s = 0x09,
342    DW_OP_const2u = 0x0a,
343    DW_OP_const2s = 0x0b,
344    DW_OP_const4u = 0x0c,
345    DW_OP_const4s = 0x0d,
346    DW_OP_const8u = 0x0e,
347    DW_OP_const8s = 0x0f,
348    DW_OP_constu = 0x10,
349    DW_OP_consts = 0x11,
350    DW_OP_dup = 0x12,
351    DW_OP_drop = 0x13,
352    DW_OP_over = 0x14,
353    DW_OP_pick = 0x15,
354    DW_OP_swap = 0x16,
355    DW_OP_rot = 0x17,
356    DW_OP_xderef = 0x18,
357    DW_OP_abs = 0x19,
358    DW_OP_and = 0x1a,
359    DW_OP_div = 0x1b,
360    DW_OP_minus = 0x1c,
361    DW_OP_mod = 0x1d,
362    DW_OP_mul = 0x1e,
363    DW_OP_neg = 0x1f,
364    DW_OP_not = 0x20,
365    DW_OP_or = 0x21,
366    DW_OP_plus = 0x22,
367    DW_OP_plus_uconst = 0x23,
368    DW_OP_shl = 0x24,
369    DW_OP_shr = 0x25,
370    DW_OP_shra = 0x26,
371    DW_OP_xor = 0x27,
372    DW_OP_bra = 0x28,
373    DW_OP_eq = 0x29,
374    DW_OP_ge = 0x2a,
375    DW_OP_gt = 0x2b,
376    DW_OP_le = 0x2c,
377    DW_OP_lt = 0x2d,
378    DW_OP_ne = 0x2e,
379    DW_OP_skip = 0x2f,
380    DW_OP_lit0 = 0x30,
381    DW_OP_lit1 = 0x31,
382    DW_OP_lit2 = 0x32,
383    DW_OP_lit3 = 0x33,
384    DW_OP_lit4 = 0x34,
385    DW_OP_lit5 = 0x35,
386    DW_OP_lit6 = 0x36,
387    DW_OP_lit7 = 0x37,
388    DW_OP_lit8 = 0x38,
389    DW_OP_lit9 = 0x39,
390    DW_OP_lit10 = 0x3a,
391    DW_OP_lit11 = 0x3b,
392    DW_OP_lit12 = 0x3c,
393    DW_OP_lit13 = 0x3d,
394    DW_OP_lit14 = 0x3e,
395    DW_OP_lit15 = 0x3f,
396    DW_OP_lit16 = 0x40,
397    DW_OP_lit17 = 0x41,
398    DW_OP_lit18 = 0x42,
399    DW_OP_lit19 = 0x43,
400    DW_OP_lit20 = 0x44,
401    DW_OP_lit21 = 0x45,
402    DW_OP_lit22 = 0x46,
403    DW_OP_lit23 = 0x47,
404    DW_OP_lit24 = 0x48,
405    DW_OP_lit25 = 0x49,
406    DW_OP_lit26 = 0x4a,
407    DW_OP_lit27 = 0x4b,
408    DW_OP_lit28 = 0x4c,
409    DW_OP_lit29 = 0x4d,
410    DW_OP_lit30 = 0x4e,
411    DW_OP_lit31 = 0x4f,
412    DW_OP_reg0 = 0x50,
413    DW_OP_reg1 = 0x51,
414    DW_OP_reg2 = 0x52,
415    DW_OP_reg3 = 0x53,
416    DW_OP_reg4 = 0x54,
417    DW_OP_reg5 = 0x55,
418    DW_OP_reg6 = 0x56,
419    DW_OP_reg7 = 0x57,
420    DW_OP_reg8 = 0x58,
421    DW_OP_reg9 = 0x59,
422    DW_OP_reg10 = 0x5a,
423    DW_OP_reg11 = 0x5b,
424    DW_OP_reg12 = 0x5c,
425    DW_OP_reg13 = 0x5d,
426    DW_OP_reg14 = 0x5e,
427    DW_OP_reg15 = 0x5f,
428    DW_OP_reg16 = 0x60,
429    DW_OP_reg17 = 0x61,
430    DW_OP_reg18 = 0x62,
431    DW_OP_reg19 = 0x63,
432    DW_OP_reg20 = 0x64,
433    DW_OP_reg21 = 0x65,
434    DW_OP_reg22 = 0x66,
435    DW_OP_reg23 = 0x67,
436    DW_OP_reg24 = 0x68,
437    DW_OP_reg25 = 0x69,
438    DW_OP_reg26 = 0x6a,
439    DW_OP_reg27 = 0x6b,
440    DW_OP_reg28 = 0x6c,
441    DW_OP_reg29 = 0x6d,
442    DW_OP_reg30 = 0x6e,
443    DW_OP_reg31 = 0x6f,
444    DW_OP_breg0 = 0x70,
445    DW_OP_breg1 = 0x71,
446    DW_OP_breg2 = 0x72,
447    DW_OP_breg3 = 0x73,
448    DW_OP_breg4 = 0x74,
449    DW_OP_breg5 = 0x75,
450    DW_OP_breg6 = 0x76,
451    DW_OP_breg7 = 0x77,
452    DW_OP_breg8 = 0x78,
453    DW_OP_breg9 = 0x79,
454    DW_OP_breg10 = 0x7a,
455    DW_OP_breg11 = 0x7b,
456    DW_OP_breg12 = 0x7c,
457    DW_OP_breg13 = 0x7d,
458    DW_OP_breg14 = 0x7e,
459    DW_OP_breg15 = 0x7f,
460    DW_OP_breg16 = 0x80,
461    DW_OP_breg17 = 0x81,
462    DW_OP_breg18 = 0x82,
463    DW_OP_breg19 = 0x83,
464    DW_OP_breg20 = 0x84,
465    DW_OP_breg21 = 0x85,
466    DW_OP_breg22 = 0x86,
467    DW_OP_breg23 = 0x87,
468    DW_OP_breg24 = 0x88,
469    DW_OP_breg25 = 0x89,
470    DW_OP_breg26 = 0x8a,
471    DW_OP_breg27 = 0x8b,
472    DW_OP_breg28 = 0x8c,
473    DW_OP_breg29 = 0x8d,
474    DW_OP_breg30 = 0x8e,
475    DW_OP_breg31 = 0x8f,
476    DW_OP_regx = 0x90,
477    DW_OP_fbreg = 0x91,
478    DW_OP_bregx = 0x92,
479    DW_OP_piece = 0x93,
480    DW_OP_deref_size = 0x94,
481    DW_OP_xderef_size = 0x95,
482    DW_OP_nop = 0x96,
483    /* DWARF 2.1 extensions.  */
484    DW_OP_push_object_address = 0x97,
485    DW_OP_call2 = 0x98, /* 1 2-byte offset of DIE.  */
486    DW_OP_call4 = 0x99, /* 1 4-byte offset of DIE.  */
487    DW_OP_calli = 0x9a
488  };
489
490#define DW_OP_lo_user	0x80	/* Implementation-defined range start.  */
491#define DW_OP_hi_user	0xff	/* Implementation-defined range end.  */
492
493/* Type encodings.  */
494enum dwarf_type
495  {
496    DW_ATE_void = 0x0,
497    DW_ATE_address = 0x1,
498    DW_ATE_boolean = 0x2,
499    DW_ATE_complex_float = 0x3,
500    DW_ATE_float = 0x4,
501    DW_ATE_signed = 0x5,
502    DW_ATE_signed_char = 0x6,
503    DW_ATE_unsigned = 0x7,
504    DW_ATE_unsigned_char = 0x8,
505    /* DWARF 2.1.  */
506    DW_ATE_imaginary_float = 0x9
507  };
508
509#define	DW_ATE_lo_user 0x80
510#define	DW_ATE_hi_user 0xff
511
512/* Array ordering names and codes.  */
513enum dwarf_array_dim_ordering
514  {
515    DW_ORD_row_major = 0,
516    DW_ORD_col_major = 1
517  };
518
519/* Access attribute.  */
520enum dwarf_access_attribute
521  {
522    DW_ACCESS_public = 1,
523    DW_ACCESS_protected = 2,
524    DW_ACCESS_private = 3
525  };
526
527/* Visibility.  */
528enum dwarf_visibility_attribute
529  {
530    DW_VIS_local = 1,
531    DW_VIS_exported = 2,
532    DW_VIS_qualified = 3
533  };
534
535/* Virtuality.  */
536enum dwarf_virtuality_attribute
537  {
538    DW_VIRTUALITY_none = 0,
539    DW_VIRTUALITY_virtual = 1,
540    DW_VIRTUALITY_pure_virtual = 2
541  };
542
543/* Case sensitivity.  */
544enum dwarf_id_case
545  {
546    DW_ID_case_sensitive = 0,
547    DW_ID_up_case = 1,
548    DW_ID_down_case = 2,
549    DW_ID_case_insensitive = 3
550  };
551
552/* Calling convention.  */
553enum dwarf_calling_convention
554  {
555    DW_CC_normal = 0x1,
556    DW_CC_program = 0x2,
557    DW_CC_nocall = 0x3
558  };
559
560#define DW_CC_lo_user 0x40
561#define DW_CC_hi_user 0xff
562
563/* Inline attribute.  */
564enum dwarf_inline_attribute
565  {
566    DW_INL_not_inlined = 0,
567    DW_INL_inlined = 1,
568    DW_INL_declared_not_inlined = 2,
569    DW_INL_declared_inlined = 3
570  };
571
572/* Discriminant lists.  */
573enum dwarf_discrim_list
574  {
575    DW_DSC_label = 0,
576    DW_DSC_range = 1
577  };
578
579/* Line number opcodes.  */
580enum dwarf_line_number_ops
581  {
582    DW_LNS_extended_op = 0,
583    DW_LNS_copy = 1,
584    DW_LNS_advance_pc = 2,
585    DW_LNS_advance_line = 3,
586    DW_LNS_set_file = 4,
587    DW_LNS_set_column = 5,
588    DW_LNS_negate_stmt = 6,
589    DW_LNS_set_basic_block = 7,
590    DW_LNS_const_add_pc = 8,
591    DW_LNS_fixed_advance_pc = 9,
592    /* DWARF 3 */
593    DW_LNS_set_prologue_end = 10,
594    DW_LNS_set_epilogue_begin = 11,
595    DW_LNS_set_isa = 12
596  };
597
598/* Line number extended opcodes.  */
599enum dwarf_line_number_x_ops
600  {
601    DW_LNE_end_sequence = 1,
602    DW_LNE_set_address = 2,
603    DW_LNE_define_file = 3
604  };
605
606/* Call frame information.  */
607enum dwarf_call_frame_info
608  {
609    DW_CFA_advance_loc = 0x40,
610    DW_CFA_offset = 0x80,
611    DW_CFA_restore = 0xc0,
612    DW_CFA_nop = 0x00,
613    DW_CFA_set_loc = 0x01,
614    DW_CFA_advance_loc1 = 0x02,
615    DW_CFA_advance_loc2 = 0x03,
616    DW_CFA_advance_loc4 = 0x04,
617    DW_CFA_offset_extended = 0x05,
618    DW_CFA_restore_extended = 0x06,
619    DW_CFA_undefined = 0x07,
620    DW_CFA_same_value = 0x08,
621    DW_CFA_register = 0x09,
622    DW_CFA_remember_state = 0x0a,
623    DW_CFA_restore_state = 0x0b,
624    DW_CFA_def_cfa = 0x0c,
625    DW_CFA_def_cfa_register = 0x0d,
626    DW_CFA_def_cfa_offset = 0x0e,
627    DW_CFA_def_cfa_expression = 0x0f,
628    DW_CFA_expression = 0x10,
629    /* Dwarf 2.1.  */
630    DW_CFA_offset_extended_sf = 0x11,
631    DW_CFA_def_cfa_sf = 0x12,
632    DW_CFA_def_cfa_offset_sf = 0x13,
633
634    /* SGI/MIPS specific.  */
635    DW_CFA_MIPS_advance_loc8 = 0x1d,
636
637    /* GNU extensions.  */
638    DW_CFA_GNU_window_save = 0x2d,
639    DW_CFA_GNU_args_size = 0x2e,
640    DW_CFA_GNU_negative_offset_extended = 0x2f
641  };
642
643#define DW_CIE_ID	  0xffffffff
644#define DW_CIE_VERSION	  1
645
646#define DW_CFA_extended   0
647#define DW_CFA_low_user   0x1c
648#define DW_CFA_high_user  0x3f
649
650#define DW_CHILDREN_no		     0x00
651#define DW_CHILDREN_yes		     0x01
652
653#define DW_ADDR_none		0
654
655/* Source language names and codes.  */
656enum dwarf_source_language
657  {
658    DW_LANG_C89 = 0x0001,
659    DW_LANG_C = 0x0002,
660    DW_LANG_Ada83 = 0x0003,
661    DW_LANG_C_plus_plus = 0x0004,
662    DW_LANG_Cobol74 = 0x0005,
663    DW_LANG_Cobol85 = 0x0006,
664    DW_LANG_Fortran77 = 0x0007,
665    DW_LANG_Fortran90 = 0x0008,
666    DW_LANG_Pascal83 = 0x0009,
667    DW_LANG_Modula2 = 0x000a,
668    DW_LANG_Java = 0x000b,
669    /* DWARF 2.1.  */
670    DW_LANG_C99 = 0x000c,
671    DW_LANG_Ada95 = 0x000d,
672    DW_LANG_Fortran95 = 0x000e,
673    /* MIPS.  */
674    DW_LANG_Mips_Assembler = 0x8001
675  };
676
677
678#define DW_LANG_lo_user 0x8000	/* Implementation-defined range start.  */
679#define DW_LANG_hi_user 0xffff	/* Implementation-defined range start.  */
680
681/* Names and codes for macro information.  */
682enum dwarf_macinfo_record_type
683  {
684    DW_MACINFO_define = 1,
685    DW_MACINFO_undef = 2,
686    DW_MACINFO_start_file = 3,
687    DW_MACINFO_end_file = 4,
688    DW_MACINFO_vendor_ext = 255
689  };
690
691/* @@@ For use with GNU frame unwind information.  */
692
693#define DW_EH_PE_absptr		0x00
694#define DW_EH_PE_omit		0xff
695
696#define DW_EH_PE_uleb128	0x01
697#define DW_EH_PE_udata2		0x02
698#define DW_EH_PE_udata4		0x03
699#define DW_EH_PE_udata8		0x04
700#define DW_EH_PE_sleb128	0x09
701#define DW_EH_PE_sdata2		0x0A
702#define DW_EH_PE_sdata4		0x0B
703#define DW_EH_PE_sdata8		0x0C
704#define DW_EH_PE_signed		0x08
705
706#define DW_EH_PE_pcrel		0x10
707#define DW_EH_PE_textrel	0x20
708#define DW_EH_PE_datarel	0x30
709#define DW_EH_PE_funcrel	0x40
710#define DW_EH_PE_aligned	0x50
711
712#define DW_EH_PE_indirect	0x80
713
714#endif /* _ELF_DWARF2_H */
715