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1 /* This file defines standard DWARF types, structures, and macros.
2    Copyright (C) 2000-2011 Red Hat, Inc.
3    This file is part of Red Hat elfutils.
4 
5    Red Hat elfutils is free software; you can redistribute it and/or modify
6    it under the terms of the GNU General Public License as published by the
7    Free Software Foundation; version 2 of the License.
8 
9    Red Hat elfutils is distributed in the hope that it will be useful, but
10    WITHOUT ANY WARRANTY; without even the implied warranty of
11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12    General Public License for more details.
13 
14    You should have received a copy of the GNU General Public License along
15    with Red Hat elfutils; if not, write to the Free Software Foundation,
16    Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA.
17 
18    In addition, as a special exception, Red Hat, Inc. gives You the
19    additional right to link the code of Red Hat elfutils with code licensed
20    under any Open Source Initiative certified open source license
21    (http://www.opensource.org/licenses/index.php) which requires the
22    distribution of source code with any binary distribution and to
23    distribute linked combinations of the two.  Non-GPL Code permitted under
24    this exception must only link to the code of Red Hat elfutils through
25    those well defined interfaces identified in the file named EXCEPTION
26    found in the source code files (the "Approved Interfaces").  The files
27    of Non-GPL Code may instantiate templates or use macros or inline
28    functions from the Approved Interfaces without causing the resulting
29    work to be covered by the GNU General Public License.  Only Red Hat,
30    Inc. may make changes or additions to the list of Approved Interfaces.
31    Red Hat's grant of this exception is conditioned upon your not adding
32    any new exceptions.  If you wish to add a new Approved Interface or
33    exception, please contact Red Hat.  You must obey the GNU General Public
34    License in all respects for all of the Red Hat elfutils code and other
35    code used in conjunction with Red Hat elfutils except the Non-GPL Code
36    covered by this exception.  If you modify this file, you may extend this
37    exception to your version of the file, but you are not obligated to do
38    so.  If you do not wish to provide this exception without modification,
39    you must delete this exception statement from your version and license
40    this file solely under the GPL without exception.
41 
42    Red Hat elfutils is an included package of the Open Invention Network.
43    An included package of the Open Invention Network is a package for which
44    Open Invention Network licensees cross-license their patents.  No patent
45    license is granted, either expressly or impliedly, by designation as an
46    included package.  Should you wish to participate in the Open Invention
47    Network licensing program, please visit www.openinventionnetwork.com
48    <http://www.openinventionnetwork.com>.  */
49 
50 #ifndef _DWARF_H
51 #define	_DWARF_H 1
52 
53 /* DWARF tags.  */
54 enum
55   {
56     DW_TAG_array_type = 0x01,
57     DW_TAG_class_type = 0x02,
58     DW_TAG_entry_point = 0x03,
59     DW_TAG_enumeration_type = 0x04,
60     DW_TAG_formal_parameter = 0x05,
61     DW_TAG_imported_declaration = 0x08,
62     DW_TAG_label = 0x0a,
63     DW_TAG_lexical_block = 0x0b,
64     DW_TAG_member = 0x0d,
65     DW_TAG_pointer_type = 0x0f,
66     DW_TAG_reference_type = 0x10,
67     DW_TAG_compile_unit = 0x11,
68     DW_TAG_string_type = 0x12,
69     DW_TAG_structure_type = 0x13,
70     DW_TAG_subroutine_type = 0x15,
71     DW_TAG_typedef = 0x16,
72     DW_TAG_union_type = 0x17,
73     DW_TAG_unspecified_parameters = 0x18,
74     DW_TAG_variant = 0x19,
75     DW_TAG_common_block = 0x1a,
76     DW_TAG_common_inclusion = 0x1b,
77     DW_TAG_inheritance = 0x1c,
78     DW_TAG_inlined_subroutine = 0x1d,
79     DW_TAG_module = 0x1e,
80     DW_TAG_ptr_to_member_type = 0x1f,
81     DW_TAG_set_type = 0x20,
82     DW_TAG_subrange_type = 0x21,
83     DW_TAG_with_stmt = 0x22,
84     DW_TAG_access_declaration = 0x23,
85     DW_TAG_base_type = 0x24,
86     DW_TAG_catch_block = 0x25,
87     DW_TAG_const_type = 0x26,
88     DW_TAG_constant = 0x27,
89     DW_TAG_enumerator = 0x28,
90     DW_TAG_file_type = 0x29,
91     DW_TAG_friend = 0x2a,
92     DW_TAG_namelist = 0x2b,
93     DW_TAG_namelist_item = 0x2c,
94     DW_TAG_packed_type = 0x2d,
95     DW_TAG_subprogram = 0x2e,
96     DW_TAG_template_type_parameter = 0x2f,
97     DW_TAG_template_value_parameter = 0x30,
98     DW_TAG_thrown_type = 0x31,
99     DW_TAG_try_block = 0x32,
100     DW_TAG_variant_part = 0x33,
101     DW_TAG_variable = 0x34,
102     DW_TAG_volatile_type = 0x35,
103     DW_TAG_dwarf_procedure = 0x36,
104     DW_TAG_restrict_type = 0x37,
105     DW_TAG_interface_type = 0x38,
106     DW_TAG_namespace = 0x39,
107     DW_TAG_imported_module = 0x3a,
108     DW_TAG_unspecified_type = 0x3b,
109     DW_TAG_partial_unit = 0x3c,
110     DW_TAG_imported_unit = 0x3d,
111     DW_TAG_mutable_type = 0x3e,
112     DW_TAG_condition = 0x3f,
113     DW_TAG_shared_type = 0x40,
114     DW_TAG_type_unit = 0x41,
115     DW_TAG_rvalue_reference_type = 0x42,
116     DW_TAG_template_alias = 0x43,
117 
118     DW_TAG_lo_user = 0x4080,
119 
120     DW_TAG_MIPS_loop = 0x4081,
121     DW_TAG_format_label = 0x4101,
122     DW_TAG_function_template = 0x4102,
123     DW_TAG_class_template = 0x4103,
124 
125     DW_TAG_GNU_BINCL = 0x4104,
126     DW_TAG_GNU_EINCL = 0x4105,
127 
128     DW_TAG_GNU_template_template_param = 0x4106,
129     DW_TAG_GNU_template_parameter_pack = 0x4107,
130     DW_TAG_GNU_formal_parameter_pack = 0x4108,
131     DW_TAG_GNU_call_site = 0x4109,
132     DW_TAG_GNU_call_site_parameter = 0x410a,
133 
134     DW_TAG_hi_user = 0xffff
135   };
136 
137 
138 /* Children determination encodings.  */
139 enum
140   {
141     DW_CHILDREN_no = 0,
142     DW_CHILDREN_yes = 1
143   };
144 
145 
146 /* DWARF attributes encodings.  */
147 enum
148   {
149     DW_AT_sibling = 0x01,
150     DW_AT_location = 0x02,
151     DW_AT_name = 0x03,
152     DW_AT_ordering = 0x09,
153     DW_AT_subscr_data = 0x0a,
154     DW_AT_byte_size = 0x0b,
155     DW_AT_bit_offset = 0x0c,
156     DW_AT_bit_size = 0x0d,
157     DW_AT_element_list = 0x0f,
158     DW_AT_stmt_list = 0x10,
159     DW_AT_low_pc = 0x11,
160     DW_AT_high_pc = 0x12,
161     DW_AT_language = 0x13,
162     DW_AT_member = 0x14,
163     DW_AT_discr = 0x15,
164     DW_AT_discr_value = 0x16,
165     DW_AT_visibility = 0x17,
166     DW_AT_import = 0x18,
167     DW_AT_string_length = 0x19,
168     DW_AT_common_reference = 0x1a,
169     DW_AT_comp_dir = 0x1b,
170     DW_AT_const_value = 0x1c,
171     DW_AT_containing_type = 0x1d,
172     DW_AT_default_value = 0x1e,
173     DW_AT_inline = 0x20,
174     DW_AT_is_optional = 0x21,
175     DW_AT_lower_bound = 0x22,
176     DW_AT_producer = 0x25,
177     DW_AT_prototyped = 0x27,
178     DW_AT_return_addr = 0x2a,
179     DW_AT_start_scope = 0x2c,
180     DW_AT_bit_stride = 0x2e,
181     DW_AT_upper_bound = 0x2f,
182     DW_AT_abstract_origin = 0x31,
183     DW_AT_accessibility = 0x32,
184     DW_AT_address_class = 0x33,
185     DW_AT_artificial = 0x34,
186     DW_AT_base_types = 0x35,
187     DW_AT_calling_convention = 0x36,
188     DW_AT_count = 0x37,
189     DW_AT_data_member_location = 0x38,
190     DW_AT_decl_column = 0x39,
191     DW_AT_decl_file = 0x3a,
192     DW_AT_decl_line = 0x3b,
193     DW_AT_declaration = 0x3c,
194     DW_AT_discr_list = 0x3d,
195     DW_AT_encoding = 0x3e,
196     DW_AT_external = 0x3f,
197     DW_AT_frame_base = 0x40,
198     DW_AT_friend = 0x41,
199     DW_AT_identifier_case = 0x42,
200     DW_AT_macro_info = 0x43,
201     DW_AT_namelist_item = 0x44,
202     DW_AT_priority = 0x45,
203     DW_AT_segment = 0x46,
204     DW_AT_specification = 0x47,
205     DW_AT_static_link = 0x48,
206     DW_AT_type = 0x49,
207     DW_AT_use_location = 0x4a,
208     DW_AT_variable_parameter = 0x4b,
209     DW_AT_virtuality = 0x4c,
210     DW_AT_vtable_elem_location = 0x4d,
211     DW_AT_allocated = 0x4e,
212     DW_AT_associated = 0x4f,
213     DW_AT_data_location = 0x50,
214     DW_AT_byte_stride = 0x51,
215     DW_AT_entry_pc = 0x52,
216     DW_AT_use_UTF8 = 0x53,
217     DW_AT_extension = 0x54,
218     DW_AT_ranges = 0x55,
219     DW_AT_trampoline = 0x56,
220     DW_AT_call_column = 0x57,
221     DW_AT_call_file = 0x58,
222     DW_AT_call_line = 0x59,
223     DW_AT_description = 0x5a,
224     DW_AT_binary_scale = 0x5b,
225     DW_AT_decimal_scale = 0x5c,
226     DW_AT_small = 0x5d,
227     DW_AT_decimal_sign = 0x5e,
228     DW_AT_digit_count = 0x5f,
229     DW_AT_picture_string = 0x60,
230     DW_AT_mutable = 0x61,
231     DW_AT_threads_scaled = 0x62,
232     DW_AT_explicit = 0x63,
233     DW_AT_object_pointer = 0x64,
234     DW_AT_endianity = 0x65,
235     DW_AT_elemental = 0x66,
236     DW_AT_pure = 0x67,
237     DW_AT_recursive = 0x68,
238     DW_AT_signature = 0x69,
239     DW_AT_main_subprogram = 0x6a,
240     DW_AT_data_bit_offset = 0x6b,
241     DW_AT_const_expr = 0x6c,
242     DW_AT_enum_class = 0x6d,
243     DW_AT_linkage_name = 0x6e,
244 
245     DW_AT_lo_user = 0x2000,
246 
247     DW_AT_MIPS_fde = 0x2001,
248     DW_AT_MIPS_loop_begin = 0x2002,
249     DW_AT_MIPS_tail_loop_begin = 0x2003,
250     DW_AT_MIPS_epilog_begin = 0x2004,
251     DW_AT_MIPS_loop_unroll_factor = 0x2005,
252     DW_AT_MIPS_software_pipeline_depth = 0x2006,
253     DW_AT_MIPS_linkage_name = 0x2007,
254     DW_AT_MIPS_stride = 0x2008,
255     DW_AT_MIPS_abstract_name = 0x2009,
256     DW_AT_MIPS_clone_origin = 0x200a,
257     DW_AT_MIPS_has_inlines = 0x200b,
258     DW_AT_MIPS_stride_byte = 0x200c,
259     DW_AT_MIPS_stride_elem = 0x200d,
260     DW_AT_MIPS_ptr_dopetype = 0x200e,
261     DW_AT_MIPS_allocatable_dopetype = 0x200f,
262     DW_AT_MIPS_assumed_shape_dopetype = 0x2010,
263     DW_AT_MIPS_assumed_size = 0x2011,
264 
265     /* GNU extensions.  */
266     DW_AT_sf_names = 0x2101,
267     DW_AT_src_info = 0x2102,
268     DW_AT_mac_info = 0x2103,
269     DW_AT_src_coords = 0x2104,
270     DW_AT_body_begin = 0x2105,
271     DW_AT_body_end = 0x2106,
272     DW_AT_GNU_vector = 0x2107,
273     DW_AT_GNU_guarded_by = 0x2108,
274     DW_AT_GNU_pt_guarded_by = 0x2109,
275     DW_AT_GNU_guarded = 0x210a,
276     DW_AT_GNU_pt_guarded = 0x210b,
277     DW_AT_GNU_locks_excluded = 0x210c,
278     DW_AT_GNU_exclusive_locks_required = 0x210d,
279     DW_AT_GNU_shared_locks_required = 0x210e,
280     DW_AT_GNU_odr_signature = 0x210f,
281     DW_AT_GNU_template_name = 0x2110,
282     DW_AT_GNU_call_site_value = 0x2111,
283     DW_AT_GNU_call_site_data_value = 0x2112,
284     DW_AT_GNU_call_site_target = 0x2113,
285     DW_AT_GNU_call_site_target_clobbered = 0x2114,
286     DW_AT_GNU_tail_call = 0x2115,
287     DW_AT_GNU_all_tail_call_sites = 0x2116,
288     DW_AT_GNU_all_call_sites = 0x2117,
289     DW_AT_GNU_all_source_call_sites = 0x2118,
290 
291     DW_AT_hi_user = 0x3fff
292   };
293 
294 
295 /* DWARF form encodings.  */
296 enum
297   {
298     DW_FORM_addr = 0x01,
299     DW_FORM_block2 = 0x03,
300     DW_FORM_block4 = 0x04,
301     DW_FORM_data2 = 0x05,
302     DW_FORM_data4 = 0x06,
303     DW_FORM_data8 = 0x07,
304     DW_FORM_string = 0x08,
305     DW_FORM_block = 0x09,
306     DW_FORM_block1 = 0x0a,
307     DW_FORM_data1 = 0x0b,
308     DW_FORM_flag = 0x0c,
309     DW_FORM_sdata = 0x0d,
310     DW_FORM_strp = 0x0e,
311     DW_FORM_udata = 0x0f,
312     DW_FORM_ref_addr = 0x10,
313     DW_FORM_ref1 = 0x11,
314     DW_FORM_ref2 = 0x12,
315     DW_FORM_ref4 = 0x13,
316     DW_FORM_ref8 = 0x14,
317     DW_FORM_ref_udata = 0x15,
318     DW_FORM_indirect = 0x16,
319     DW_FORM_sec_offset = 0x17,
320     DW_FORM_exprloc = 0x18,
321     DW_FORM_flag_present = 0x19,
322     DW_FORM_ref_sig8 = 0x20
323   };
324 
325 
326 /* DWARF location operation encodings.  */
327 enum
328   {
329     DW_OP_addr = 0x03,		/* Constant address.  */
330     DW_OP_deref = 0x06,
331     DW_OP_const1u = 0x08,	/* Unsigned 1-byte constant.  */
332     DW_OP_const1s = 0x09,	/* Signed 1-byte constant.  */
333     DW_OP_const2u = 0x0a,	/* Unsigned 2-byte constant.  */
334     DW_OP_const2s = 0x0b,	/* Signed 2-byte constant.  */
335     DW_OP_const4u = 0x0c,	/* Unsigned 4-byte constant.  */
336     DW_OP_const4s = 0x0d,	/* Signed 4-byte constant.  */
337     DW_OP_const8u = 0x0e,	/* Unsigned 8-byte constant.  */
338     DW_OP_const8s = 0x0f,	/* Signed 8-byte constant.  */
339     DW_OP_constu = 0x10,	/* Unsigned LEB128 constant.  */
340     DW_OP_consts = 0x11,	/* Signed LEB128 constant.  */
341     DW_OP_dup = 0x12,
342     DW_OP_drop = 0x13,
343     DW_OP_over = 0x14,
344     DW_OP_pick = 0x15,		/* 1-byte stack index.  */
345     DW_OP_swap = 0x16,
346     DW_OP_rot = 0x17,
347     DW_OP_xderef = 0x18,
348     DW_OP_abs = 0x19,
349     DW_OP_and = 0x1a,
350     DW_OP_div = 0x1b,
351     DW_OP_minus = 0x1c,
352     DW_OP_mod = 0x1d,
353     DW_OP_mul = 0x1e,
354     DW_OP_neg = 0x1f,
355     DW_OP_not = 0x20,
356     DW_OP_or = 0x21,
357     DW_OP_plus = 0x22,
358     DW_OP_plus_uconst = 0x23,	/* Unsigned LEB128 addend.  */
359     DW_OP_shl = 0x24,
360     DW_OP_shr = 0x25,
361     DW_OP_shra = 0x26,
362     DW_OP_xor = 0x27,
363     DW_OP_bra = 0x28,		/* Signed 2-byte constant.  */
364     DW_OP_eq = 0x29,
365     DW_OP_ge = 0x2a,
366     DW_OP_gt = 0x2b,
367     DW_OP_le = 0x2c,
368     DW_OP_lt = 0x2d,
369     DW_OP_ne = 0x2e,
370     DW_OP_skip = 0x2f,		/* Signed 2-byte constant.  */
371     DW_OP_lit0 = 0x30,		/* Literal 0.  */
372     DW_OP_lit1 = 0x31,		/* Literal 1.  */
373     DW_OP_lit2 = 0x32,		/* Literal 2.  */
374     DW_OP_lit3 = 0x33,		/* Literal 3.  */
375     DW_OP_lit4 = 0x34,		/* Literal 4.  */
376     DW_OP_lit5 = 0x35,		/* Literal 5.  */
377     DW_OP_lit6 = 0x36,		/* Literal 6.  */
378     DW_OP_lit7 = 0x37,		/* Literal 7.  */
379     DW_OP_lit8 = 0x38,		/* Literal 8.  */
380     DW_OP_lit9 = 0x39,		/* Literal 9.  */
381     DW_OP_lit10 = 0x3a,		/* Literal 10.  */
382     DW_OP_lit11 = 0x3b,		/* Literal 11.  */
383     DW_OP_lit12 = 0x3c,		/* Literal 12.  */
384     DW_OP_lit13 = 0x3d,		/* Literal 13.  */
385     DW_OP_lit14 = 0x3e,		/* Literal 14.  */
386     DW_OP_lit15 = 0x3f,		/* Literal 15.  */
387     DW_OP_lit16 = 0x40,		/* Literal 16.  */
388     DW_OP_lit17 = 0x41,		/* Literal 17.  */
389     DW_OP_lit18 = 0x42,		/* Literal 18.  */
390     DW_OP_lit19 = 0x43,		/* Literal 19.  */
391     DW_OP_lit20 = 0x44,		/* Literal 20.  */
392     DW_OP_lit21 = 0x45,		/* Literal 21.  */
393     DW_OP_lit22 = 0x46,		/* Literal 22.  */
394     DW_OP_lit23 = 0x47,		/* Literal 23.  */
395     DW_OP_lit24 = 0x48,		/* Literal 24.  */
396     DW_OP_lit25 = 0x49,		/* Literal 25.  */
397     DW_OP_lit26 = 0x4a,		/* Literal 26.  */
398     DW_OP_lit27 = 0x4b,		/* Literal 27.  */
399     DW_OP_lit28 = 0x4c,		/* Literal 28.  */
400     DW_OP_lit29 = 0x4d,		/* Literal 29.  */
401     DW_OP_lit30 = 0x4e,		/* Literal 30.  */
402     DW_OP_lit31 = 0x4f,		/* Literal 31.  */
403     DW_OP_reg0 = 0x50,		/* Register 0.  */
404     DW_OP_reg1 = 0x51,		/* Register 1.  */
405     DW_OP_reg2 = 0x52,		/* Register 2.  */
406     DW_OP_reg3 = 0x53,		/* Register 3.  */
407     DW_OP_reg4 = 0x54,		/* Register 4.  */
408     DW_OP_reg5 = 0x55,		/* Register 5.  */
409     DW_OP_reg6 = 0x56,		/* Register 6.  */
410     DW_OP_reg7 = 0x57,		/* Register 7.  */
411     DW_OP_reg8 = 0x58,		/* Register 8.  */
412     DW_OP_reg9 = 0x59,		/* Register 9.  */
413     DW_OP_reg10 = 0x5a,		/* Register 10.  */
414     DW_OP_reg11 = 0x5b,		/* Register 11.  */
415     DW_OP_reg12 = 0x5c,		/* Register 12.  */
416     DW_OP_reg13 = 0x5d,		/* Register 13.  */
417     DW_OP_reg14 = 0x5e,		/* Register 14.  */
418     DW_OP_reg15 = 0x5f,		/* Register 15.  */
419     DW_OP_reg16 = 0x60,		/* Register 16.  */
420     DW_OP_reg17 = 0x61,		/* Register 17.  */
421     DW_OP_reg18 = 0x62,		/* Register 18.  */
422     DW_OP_reg19 = 0x63,		/* Register 19.  */
423     DW_OP_reg20 = 0x64,		/* Register 20.  */
424     DW_OP_reg21 = 0x65,		/* Register 21.  */
425     DW_OP_reg22 = 0x66,		/* Register 22.  */
426     DW_OP_reg23 = 0x67,		/* Register 24.  */
427     DW_OP_reg24 = 0x68,		/* Register 24.  */
428     DW_OP_reg25 = 0x69,		/* Register 25.  */
429     DW_OP_reg26 = 0x6a,		/* Register 26.  */
430     DW_OP_reg27 = 0x6b,		/* Register 27.  */
431     DW_OP_reg28 = 0x6c,		/* Register 28.  */
432     DW_OP_reg29 = 0x6d,		/* Register 29.  */
433     DW_OP_reg30 = 0x6e,		/* Register 30.  */
434     DW_OP_reg31 = 0x6f,		/* Register 31.  */
435     DW_OP_breg0 = 0x70,		/* Base register 0.  */
436     DW_OP_breg1 = 0x71,		/* Base register 1.  */
437     DW_OP_breg2 = 0x72,		/* Base register 2.  */
438     DW_OP_breg3 = 0x73,		/* Base register 3.  */
439     DW_OP_breg4 = 0x74,		/* Base register 4.  */
440     DW_OP_breg5 = 0x75,		/* Base register 5.  */
441     DW_OP_breg6 = 0x76,		/* Base register 6.  */
442     DW_OP_breg7 = 0x77,		/* Base register 7.  */
443     DW_OP_breg8 = 0x78,		/* Base register 8.  */
444     DW_OP_breg9 = 0x79,		/* Base register 9.  */
445     DW_OP_breg10 = 0x7a,	/* Base register 10.  */
446     DW_OP_breg11 = 0x7b,	/* Base register 11.  */
447     DW_OP_breg12 = 0x7c,	/* Base register 12.  */
448     DW_OP_breg13 = 0x7d,	/* Base register 13.  */
449     DW_OP_breg14 = 0x7e,	/* Base register 14.  */
450     DW_OP_breg15 = 0x7f,	/* Base register 15.  */
451     DW_OP_breg16 = 0x80,	/* Base register 16.  */
452     DW_OP_breg17 = 0x81,	/* Base register 17.  */
453     DW_OP_breg18 = 0x82,	/* Base register 18.  */
454     DW_OP_breg19 = 0x83,	/* Base register 19.  */
455     DW_OP_breg20 = 0x84,	/* Base register 20.  */
456     DW_OP_breg21 = 0x85,	/* Base register 21.  */
457     DW_OP_breg22 = 0x86,	/* Base register 22.  */
458     DW_OP_breg23 = 0x87,	/* Base register 23.  */
459     DW_OP_breg24 = 0x88,	/* Base register 24.  */
460     DW_OP_breg25 = 0x89,	/* Base register 25.  */
461     DW_OP_breg26 = 0x8a,	/* Base register 26.  */
462     DW_OP_breg27 = 0x8b,	/* Base register 27.  */
463     DW_OP_breg28 = 0x8c,	/* Base register 28.  */
464     DW_OP_breg29 = 0x8d,	/* Base register 29.  */
465     DW_OP_breg30 = 0x8e,	/* Base register 30.  */
466     DW_OP_breg31 = 0x8f,	/* Base register 31.  */
467     DW_OP_regx = 0x90,		/* Unsigned LEB128 register.  */
468     DW_OP_fbreg = 0x91,		/* Signed LEB128 offset.  */
469     DW_OP_bregx = 0x92,		/* ULEB128 register followed by SLEB128 off. */
470     DW_OP_piece = 0x93,		/* ULEB128 size of piece addressed. */
471     DW_OP_deref_size = 0x94,	/* 1-byte size of data retrieved.  */
472     DW_OP_xderef_size = 0x95,	/* 1-byte size of data retrieved.  */
473     DW_OP_nop = 0x96,
474     DW_OP_push_object_address = 0x97,
475     DW_OP_call2 = 0x98,
476     DW_OP_call4 = 0x99,
477     DW_OP_call_ref = 0x9a,
478     DW_OP_form_tls_address = 0x9b,/* TLS offset to address in current thread */
479     DW_OP_call_frame_cfa = 0x9c,/* CFA as determined by CFI.  */
480     DW_OP_bit_piece = 0x9d,	/* ULEB128 size and ULEB128 offset in bits.  */
481     DW_OP_implicit_value = 0x9e, /* DW_FORM_block follows opcode.  */
482     DW_OP_stack_value = 0x9f,	 /* No operands, special like DW_OP_piece.  */
483 
484     /* GNU extensions.  */
485     DW_OP_GNU_push_tls_address = 0xe0,
486     DW_OP_GNU_uninit = 0xf0,
487     DW_OP_GNU_encoded_addr = 0xf1,
488     DW_OP_GNU_implicit_pointer = 0xf2,
489     DW_OP_GNU_entry_value = 0xf3,
490     DW_OP_GNU_const_type = 0xf4,
491     DW_OP_GNU_regval_type = 0xf5,
492     DW_OP_GNU_deref_type = 0xf6,
493     DW_OP_GNU_convert = 0xf7,
494     DW_OP_GNU_reinterpret = 0xf9,
495 
496     DW_OP_lo_user = 0xe0,	/* Implementation-defined range start.  */
497     DW_OP_hi_user = 0xff	/* Implementation-defined range end.  */
498   };
499 
500 
501 /* DWARF base type encodings.  */
502 enum
503   {
504     DW_ATE_void = 0x0,
505     DW_ATE_address = 0x1,
506     DW_ATE_boolean = 0x2,
507     DW_ATE_complex_float = 0x3,
508     DW_ATE_float = 0x4,
509     DW_ATE_signed = 0x5,
510     DW_ATE_signed_char = 0x6,
511     DW_ATE_unsigned = 0x7,
512     DW_ATE_unsigned_char = 0x8,
513     DW_ATE_imaginary_float = 0x9,
514     DW_ATE_packed_decimal = 0xa,
515     DW_ATE_numeric_string = 0xb,
516     DW_ATE_edited = 0xc,
517     DW_ATE_signed_fixed = 0xd,
518     DW_ATE_unsigned_fixed = 0xe,
519     DW_ATE_decimal_float = 0xf,
520 
521     DW_ATE_lo_user = 0x80,
522     DW_ATE_hi_user = 0xff
523   };
524 
525 
526 /* DWARF decimal sign encodings.  */
527 enum
528   {
529     DW_DS_unsigned = 1,
530     DW_DS_leading_overpunch = 2,
531     DW_DS_trailing_overpunch = 3,
532     DW_DS_leading_separate = 4,
533     DW_DS_trailing_separate = 5,
534   };
535 
536 
537 /* DWARF endianity encodings.  */
538 enum
539   {
540     DW_END_default = 0,
541     DW_END_big = 1,
542     DW_END_little = 2,
543 
544     DW_END_lo_user = 0x40,
545     DW_END_hi_user = 0xff
546   };
547 
548 
549 /* DWARF accessibility encodings.  */
550 enum
551   {
552     DW_ACCESS_public = 1,
553     DW_ACCESS_protected = 2,
554     DW_ACCESS_private = 3
555   };
556 
557 
558 /* DWARF visibility encodings.  */
559 enum
560   {
561     DW_VIS_local = 1,
562     DW_VIS_exported = 2,
563     DW_VIS_qualified = 3
564   };
565 
566 
567 /* DWARF virtuality encodings.  */
568 enum
569   {
570     DW_VIRTUALITY_none = 0,
571     DW_VIRTUALITY_virtual = 1,
572     DW_VIRTUALITY_pure_virtual = 2
573   };
574 
575 
576 /* DWARF language encodings.  */
577 enum
578   {
579     DW_LANG_C89 = 0x0001,	     /* ISO C:1989 */
580     DW_LANG_C = 0x0002,		     /* C */
581     DW_LANG_Ada83 = 0x0003,	     /* ISO Ada:1983 */
582     DW_LANG_C_plus_plus	= 0x0004,    /* ISO C++:1998 */
583     DW_LANG_Cobol74 = 0x0005,	     /* ISO Cobol:1974 */
584     DW_LANG_Cobol85 = 0x0006,	     /* ISO Cobol:1985 */
585     DW_LANG_Fortran77 = 0x0007,	     /* ISO FORTRAN 77 */
586     DW_LANG_Fortran90 = 0x0008,	     /* ISO Fortran 90 */
587     DW_LANG_Pascal83 = 0x0009,	     /* ISO Pascal:1983 */
588     DW_LANG_Modula2 = 0x000a,	     /* ISO Modula-2:1996 */
589     DW_LANG_Java = 0x000b,	     /* Java */
590     DW_LANG_C99 = 0x000c,	     /* ISO C:1999 */
591     DW_LANG_Ada95 = 0x000d,	     /* ISO Ada:1995 */
592     DW_LANG_Fortran95 = 0x000e,	     /* ISO Fortran 95 */
593     DW_LANG_PL1 = 0x000f,	     /* ISO PL/1:1976 */
594     DW_LANG_Objc = 0x0010,	     /* Objective-C */
595     DW_LANG_ObjC_plus_plus = 0x0011, /* Objective-C++ */
596     DW_LANG_UPC = 0x0012,	     /* Unified Parallel C */
597     DW_LANG_D = 0x0013,		     /* D */
598     DW_LANG_Python = 0x0014,	     /* Python */
599     DW_LANG_Go = 0x0016,	     /* Google's Go (provisionally in DWARF5) */
600 
601     DW_LANG_lo_user = 0x8000,
602     DW_LANG_Mips_Assembler = 0x8001,
603     DW_LANG_hi_user = 0xffff
604   };
605 
606 
607 /* DWARF identifier case encodings.  */
608 enum
609   {
610     DW_ID_case_sensitive = 0,
611     DW_ID_up_case = 1,
612     DW_ID_down_case = 2,
613     DW_ID_case_insensitive = 3
614   };
615 
616 
617 /* DWARF calling conventions encodings.  */
618 enum
619   {
620     DW_CC_normal = 0x1,
621     DW_CC_program = 0x2,
622     DW_CC_nocall = 0x3,
623     DW_CC_lo_user = 0x40,
624     DW_CC_hi_user = 0xff
625   };
626 
627 
628 /* DWARF inline encodings.  */
629 enum
630   {
631     DW_INL_not_inlined = 0,
632     DW_INL_inlined = 1,
633     DW_INL_declared_not_inlined = 2,
634     DW_INL_declared_inlined = 3
635   };
636 
637 
638 /* DWARF ordering encodings.  */
639 enum
640   {
641     DW_ORD_row_major = 0,
642     DW_ORD_col_major = 1
643   };
644 
645 
646 /* DWARF discriminant descriptor encodings.  */
647 enum
648   {
649     DW_DSC_label = 0,
650     DW_DSC_range = 1
651   };
652 
653 
654 /* DWARF standard opcode encodings.  */
655 enum
656   {
657     DW_LNS_copy = 1,
658     DW_LNS_advance_pc = 2,
659     DW_LNS_advance_line = 3,
660     DW_LNS_set_file = 4,
661     DW_LNS_set_column = 5,
662     DW_LNS_negate_stmt = 6,
663     DW_LNS_set_basic_block = 7,
664     DW_LNS_const_add_pc = 8,
665     DW_LNS_fixed_advance_pc = 9,
666     DW_LNS_set_prologue_end = 10,
667     DW_LNS_set_epilogue_begin = 11,
668     DW_LNS_set_isa = 12
669   };
670 
671 
672 /* DWARF extended opcode encodings.  */
673 enum
674   {
675     DW_LNE_end_sequence = 1,
676     DW_LNE_set_address = 2,
677     DW_LNE_define_file = 3,
678     DW_LNE_set_discriminator = 4,
679 
680     DW_LNE_lo_user = 128,
681     DW_LNE_hi_user = 255
682   };
683 
684 
685 /* DWARF macinfo type encodings.  */
686 enum
687   {
688     DW_MACINFO_define = 1,
689     DW_MACINFO_undef = 2,
690     DW_MACINFO_start_file = 3,
691     DW_MACINFO_end_file = 4,
692     DW_MACINFO_vendor_ext = 255
693   };
694 
695 
696 /* DWARF call frame instruction encodings.  */
697 enum
698   {
699     DW_CFA_advance_loc = 0x40,
700     DW_CFA_offset = 0x80,
701     DW_CFA_restore = 0xc0,
702     DW_CFA_extended = 0,
703 
704     DW_CFA_nop = 0x00,
705     DW_CFA_set_loc = 0x01,
706     DW_CFA_advance_loc1 = 0x02,
707     DW_CFA_advance_loc2 = 0x03,
708     DW_CFA_advance_loc4 = 0x04,
709     DW_CFA_offset_extended = 0x05,
710     DW_CFA_restore_extended = 0x06,
711     DW_CFA_undefined = 0x07,
712     DW_CFA_same_value = 0x08,
713     DW_CFA_register = 0x09,
714     DW_CFA_remember_state = 0x0a,
715     DW_CFA_restore_state = 0x0b,
716     DW_CFA_def_cfa = 0x0c,
717     DW_CFA_def_cfa_register = 0x0d,
718     DW_CFA_def_cfa_offset = 0x0e,
719     DW_CFA_def_cfa_expression = 0x0f,
720     DW_CFA_expression = 0x10,
721     DW_CFA_offset_extended_sf = 0x11,
722     DW_CFA_def_cfa_sf = 0x12,
723     DW_CFA_def_cfa_offset_sf = 0x13,
724     DW_CFA_val_offset = 0x14,
725     DW_CFA_val_offset_sf = 0x15,
726     DW_CFA_val_expression = 0x16,
727 
728     DW_CFA_low_user = 0x1c,
729     DW_CFA_MIPS_advance_loc8 = 0x1d,
730     DW_CFA_GNU_window_save = 0x2d,
731     DW_CFA_GNU_args_size = 0x2e,
732     DW_CFA_GNU_negative_offset_extended = 0x2f,
733     DW_CFA_high_user = 0x3f
734   };
735 
736 /* ID indicating CIE as opposed to FDE in .debug_frame.  */
737 enum
738   {
739     DW_CIE_ID_32 = 0xffffffffU,		 /* In 32-bit format CIE header.  */
740     DW_CIE_ID_64 = 0xffffffffffffffffULL /* In 64-bit format CIE header.  */
741   };
742 
743 
744 /* Information for GNU unwind information.  */
745 enum
746   {
747     DW_EH_PE_absptr = 0x00,
748     DW_EH_PE_omit = 0xff,
749 
750     /* FDE data encoding.  */
751     DW_EH_PE_uleb128 = 0x01,
752     DW_EH_PE_udata2 = 0x02,
753     DW_EH_PE_udata4 = 0x03,
754     DW_EH_PE_udata8 = 0x04,
755     DW_EH_PE_sleb128 = 0x09,
756     DW_EH_PE_sdata2 = 0x0a,
757     DW_EH_PE_sdata4 = 0x0b,
758     DW_EH_PE_sdata8 = 0x0c,
759     DW_EH_PE_signed = 0x08,
760 
761     /* FDE flags.  */
762     DW_EH_PE_pcrel = 0x10,
763     DW_EH_PE_textrel = 0x20,
764     DW_EH_PE_datarel = 0x30,
765     DW_EH_PE_funcrel = 0x40,
766     DW_EH_PE_aligned = 0x50,
767 
768     DW_EH_PE_indirect = 0x80
769   };
770 
771 
772 /* DWARF XXX.  */
773 #define DW_ADDR_none	0
774 
775 /* Section 7.2.2 of the DWARF3 specification defines a range of escape
776    codes that can appear in the length field of certain DWARF structures.
777 
778    These defines enumerate the minium and maximum values of this range.
779    Currently only the maximum value is used (to indicate that 64-bit
780    values are going to be used in the dwarf data that accompanies the
781    structure).  The other values are reserved.
782 
783    Note: There is a typo in DWARF3 spec (published Dec 20, 2005).  In
784    sections 7.4, 7.5.1, 7.19, 7.20 the minimum escape code is referred to
785    as 0xffffff00 whereas in fact it should be 0xfffffff0.  */
786 #define DWARF3_LENGTH_MIN_ESCAPE_CODE 0xfffffff0u
787 #define DWARF3_LENGTH_MAX_ESCAPE_CODE 0xffffffffu
788 #define DWARF3_LENGTH_64_BIT          DWARF3_LENGTH_MAX_ESCAPE_CODE
789 
790 #endif	/* dwarf.h */
791