1 // -*- mode: c++ -*-
2 
3 // Copyright (c) 2010 Google Inc. All Rights Reserved.
4 //
5 // Redistribution and use in source and binary forms, with or without
6 // modification, are permitted provided that the following conditions are
7 // met:
8 //
9 //     * Redistributions of source code must retain the above copyright
10 // notice, this list of conditions and the following disclaimer.
11 //     * Redistributions in binary form must reproduce the above
12 // copyright notice, this list of conditions and the following disclaimer
13 // in the documentation and/or other materials provided with the
14 // distribution.
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16 // contributors may be used to endorse or promote products derived from
17 // this software without specific prior written permission.
18 //
19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 
31 #ifndef COMMON_DWARF_DWARF2ENUMS_H__
32 #define COMMON_DWARF_DWARF2ENUMS_H__
33 
34 namespace dwarf2reader {
35 
36 // These enums do not follow the google3 style only because they are
37 // known universally (specs, other implementations) by the names in
38 // exactly this capitalization.
39 // Tag names and codes.
40 enum DwarfTag {
41   DW_TAG_padding = 0x00,
42   DW_TAG_array_type = 0x01,
43   DW_TAG_class_type = 0x02,
44   DW_TAG_entry_point = 0x03,
45   DW_TAG_enumeration_type = 0x04,
46   DW_TAG_formal_parameter = 0x05,
47   DW_TAG_imported_declaration = 0x08,
48   DW_TAG_label = 0x0a,
49   DW_TAG_lexical_block = 0x0b,
50   DW_TAG_member = 0x0d,
51   DW_TAG_pointer_type = 0x0f,
52   DW_TAG_reference_type = 0x10,
53   DW_TAG_compile_unit = 0x11,
54   DW_TAG_string_type = 0x12,
55   DW_TAG_structure_type = 0x13,
56   DW_TAG_subroutine_type = 0x15,
57   DW_TAG_typedef = 0x16,
58   DW_TAG_union_type = 0x17,
59   DW_TAG_unspecified_parameters = 0x18,
60   DW_TAG_variant = 0x19,
61   DW_TAG_common_block = 0x1a,
62   DW_TAG_common_inclusion = 0x1b,
63   DW_TAG_inheritance = 0x1c,
64   DW_TAG_inlined_subroutine = 0x1d,
65   DW_TAG_module = 0x1e,
66   DW_TAG_ptr_to_member_type = 0x1f,
67   DW_TAG_set_type = 0x20,
68   DW_TAG_subrange_type = 0x21,
69   DW_TAG_with_stmt = 0x22,
70   DW_TAG_access_declaration = 0x23,
71   DW_TAG_base_type = 0x24,
72   DW_TAG_catch_block = 0x25,
73   DW_TAG_const_type = 0x26,
74   DW_TAG_constant = 0x27,
75   DW_TAG_enumerator = 0x28,
76   DW_TAG_file_type = 0x29,
77   DW_TAG_friend = 0x2a,
78   DW_TAG_namelist = 0x2b,
79   DW_TAG_namelist_item = 0x2c,
80   DW_TAG_packed_type = 0x2d,
81   DW_TAG_subprogram = 0x2e,
82   DW_TAG_template_type_param = 0x2f,
83   DW_TAG_template_value_param = 0x30,
84   DW_TAG_thrown_type = 0x31,
85   DW_TAG_try_block = 0x32,
86   DW_TAG_variant_part = 0x33,
87   DW_TAG_variable = 0x34,
88   DW_TAG_volatile_type = 0x35,
89   // DWARF 3.
90   DW_TAG_dwarf_procedure = 0x36,
91   DW_TAG_restrict_type = 0x37,
92   DW_TAG_interface_type = 0x38,
93   DW_TAG_namespace = 0x39,
94   DW_TAG_imported_module = 0x3a,
95   DW_TAG_unspecified_type = 0x3b,
96   DW_TAG_partial_unit = 0x3c,
97   DW_TAG_imported_unit = 0x3d,
98   // SGI/MIPS Extensions.
99   DW_TAG_MIPS_loop = 0x4081,
100   // HP extensions.  See:
101   // ftp://ftp.hp.com/pub/lang/tools/WDB/wdb-4.0.tar.gz
102   DW_TAG_HP_array_descriptor = 0x4090,
103   // GNU extensions.
104   DW_TAG_format_label = 0x4101,  // For FORTRAN 77 and Fortran 90.
105   DW_TAG_function_template = 0x4102,  // For C++.
106   DW_TAG_class_template = 0x4103,  // For C++.
107   DW_TAG_GNU_BINCL = 0x4104,
108   DW_TAG_GNU_EINCL = 0x4105,
109   // Extensions for UPC.  See: http://upc.gwu.edu/~upc.
110   DW_TAG_upc_shared_type = 0x8765,
111   DW_TAG_upc_strict_type = 0x8766,
112   DW_TAG_upc_relaxed_type = 0x8767,
113   // PGI (STMicroelectronics) extensions.  No documentation available.
114   DW_TAG_PGI_kanji_type      = 0xA000,
115   DW_TAG_PGI_interface_block = 0xA020
116 };
117 
118 
119 enum DwarfHasChild {
120   DW_children_no = 0,
121   DW_children_yes = 1
122 };
123 
124 // Form names and codes.
125 enum DwarfForm {
126   DW_FORM_addr = 0x01,
127   DW_FORM_block2 = 0x03,
128   DW_FORM_block4 = 0x04,
129   DW_FORM_data2 = 0x05,
130   DW_FORM_data4 = 0x06,
131   DW_FORM_data8 = 0x07,
132   DW_FORM_string = 0x08,
133   DW_FORM_block = 0x09,
134   DW_FORM_block1 = 0x0a,
135   DW_FORM_data1 = 0x0b,
136   DW_FORM_flag = 0x0c,
137   DW_FORM_sdata = 0x0d,
138   DW_FORM_strp = 0x0e,
139   DW_FORM_udata = 0x0f,
140   DW_FORM_ref_addr = 0x10,
141   DW_FORM_ref1 = 0x11,
142   DW_FORM_ref2 = 0x12,
143   DW_FORM_ref4 = 0x13,
144   DW_FORM_ref8 = 0x14,
145   DW_FORM_ref_udata = 0x15,
146   DW_FORM_indirect = 0x16,
147 
148   // Added in DWARF 4:
149   DW_FORM_sec_offset = 0x17,
150   DW_FORM_exprloc = 0x18,
151   DW_FORM_flag_present = 0x19,
152   DW_FORM_ref_sig8 = 0x20
153 };
154 
155 // Attribute names and codes
156 enum DwarfAttribute {
157   DW_AT_sibling = 0x01,
158   DW_AT_location = 0x02,
159   DW_AT_name = 0x03,
160   DW_AT_ordering = 0x09,
161   DW_AT_subscr_data = 0x0a,
162   DW_AT_byte_size = 0x0b,
163   DW_AT_bit_offset = 0x0c,
164   DW_AT_bit_size = 0x0d,
165   DW_AT_element_list = 0x0f,
166   DW_AT_stmt_list = 0x10,
167   DW_AT_low_pc = 0x11,
168   DW_AT_high_pc = 0x12,
169   DW_AT_language = 0x13,
170   DW_AT_member = 0x14,
171   DW_AT_discr = 0x15,
172   DW_AT_discr_value = 0x16,
173   DW_AT_visibility = 0x17,
174   DW_AT_import = 0x18,
175   DW_AT_string_length = 0x19,
176   DW_AT_common_reference = 0x1a,
177   DW_AT_comp_dir = 0x1b,
178   DW_AT_const_value = 0x1c,
179   DW_AT_containing_type = 0x1d,
180   DW_AT_default_value = 0x1e,
181   DW_AT_inline = 0x20,
182   DW_AT_is_optional = 0x21,
183   DW_AT_lower_bound = 0x22,
184   DW_AT_producer = 0x25,
185   DW_AT_prototyped = 0x27,
186   DW_AT_return_addr = 0x2a,
187   DW_AT_start_scope = 0x2c,
188   DW_AT_stride_size = 0x2e,
189   DW_AT_upper_bound = 0x2f,
190   DW_AT_abstract_origin = 0x31,
191   DW_AT_accessibility = 0x32,
192   DW_AT_address_class = 0x33,
193   DW_AT_artificial = 0x34,
194   DW_AT_base_types = 0x35,
195   DW_AT_calling_convention = 0x36,
196   DW_AT_count = 0x37,
197   DW_AT_data_member_location = 0x38,
198   DW_AT_decl_column = 0x39,
199   DW_AT_decl_file = 0x3a,
200   DW_AT_decl_line = 0x3b,
201   DW_AT_declaration = 0x3c,
202   DW_AT_discr_list = 0x3d,
203   DW_AT_encoding = 0x3e,
204   DW_AT_external = 0x3f,
205   DW_AT_frame_base = 0x40,
206   DW_AT_friend = 0x41,
207   DW_AT_identifier_case = 0x42,
208   DW_AT_macro_info = 0x43,
209   DW_AT_namelist_items = 0x44,
210   DW_AT_priority = 0x45,
211   DW_AT_segment = 0x46,
212   DW_AT_specification = 0x47,
213   DW_AT_static_link = 0x48,
214   DW_AT_type = 0x49,
215   DW_AT_use_location = 0x4a,
216   DW_AT_variable_parameter = 0x4b,
217   DW_AT_virtuality = 0x4c,
218   DW_AT_vtable_elem_location = 0x4d,
219   // DWARF 3 values.
220   DW_AT_allocated     = 0x4e,
221   DW_AT_associated    = 0x4f,
222   DW_AT_data_location = 0x50,
223   DW_AT_stride        = 0x51,
224   DW_AT_entry_pc      = 0x52,
225   DW_AT_use_UTF8      = 0x53,
226   DW_AT_extension     = 0x54,
227   DW_AT_ranges        = 0x55,
228   DW_AT_trampoline    = 0x56,
229   DW_AT_call_column   = 0x57,
230   DW_AT_call_file     = 0x58,
231   DW_AT_call_line     = 0x59,
232   // SGI/MIPS extensions.
233   DW_AT_MIPS_fde = 0x2001,
234   DW_AT_MIPS_loop_begin = 0x2002,
235   DW_AT_MIPS_tail_loop_begin = 0x2003,
236   DW_AT_MIPS_epilog_begin = 0x2004,
237   DW_AT_MIPS_loop_unroll_factor = 0x2005,
238   DW_AT_MIPS_software_pipeline_depth = 0x2006,
239   DW_AT_MIPS_linkage_name = 0x2007,
240   DW_AT_MIPS_stride = 0x2008,
241   DW_AT_MIPS_abstract_name = 0x2009,
242   DW_AT_MIPS_clone_origin = 0x200a,
243   DW_AT_MIPS_has_inlines = 0x200b,
244   // HP extensions.
245   DW_AT_HP_block_index         = 0x2000,
246   DW_AT_HP_unmodifiable        = 0x2001,  // Same as DW_AT_MIPS_fde.
247   DW_AT_HP_actuals_stmt_list   = 0x2010,
248   DW_AT_HP_proc_per_section    = 0x2011,
249   DW_AT_HP_raw_data_ptr        = 0x2012,
250   DW_AT_HP_pass_by_reference   = 0x2013,
251   DW_AT_HP_opt_level           = 0x2014,
252   DW_AT_HP_prof_version_id     = 0x2015,
253   DW_AT_HP_opt_flags           = 0x2016,
254   DW_AT_HP_cold_region_low_pc  = 0x2017,
255   DW_AT_HP_cold_region_high_pc = 0x2018,
256   DW_AT_HP_all_variables_modifiable = 0x2019,
257   DW_AT_HP_linkage_name        = 0x201a,
258   DW_AT_HP_prof_flags          = 0x201b,  // In comp unit of procs_info for -g.
259   // GNU extensions.
260   DW_AT_sf_names   = 0x2101,
261   DW_AT_src_info   = 0x2102,
262   DW_AT_mac_info   = 0x2103,
263   DW_AT_src_coords = 0x2104,
264   DW_AT_body_begin = 0x2105,
265   DW_AT_body_end   = 0x2106,
266   DW_AT_GNU_vector = 0x2107,
267   // VMS extensions.
268   DW_AT_VMS_rtnbeg_pd_address = 0x2201,
269   // UPC extension.
270   DW_AT_upc_threads_scaled = 0x3210,
271   // PGI (STMicroelectronics) extensions.
272   DW_AT_PGI_lbase    = 0x3a00,
273   DW_AT_PGI_soffset  = 0x3a01,
274   DW_AT_PGI_lstride  = 0x3a02
275 };
276 
277 
278 // Line number opcodes.
279 enum DwarfLineNumberOps {
280   DW_LNS_extended_op = 0,
281   DW_LNS_copy = 1,
282   DW_LNS_advance_pc = 2,
283   DW_LNS_advance_line = 3,
284   DW_LNS_set_file = 4,
285   DW_LNS_set_column = 5,
286   DW_LNS_negate_stmt = 6,
287   DW_LNS_set_basic_block = 7,
288   DW_LNS_const_add_pc = 8,
289   DW_LNS_fixed_advance_pc = 9,
290   // DWARF 3.
291   DW_LNS_set_prologue_end = 10,
292   DW_LNS_set_epilogue_begin = 11,
293   DW_LNS_set_isa = 12
294 };
295 
296 // Line number extended opcodes.
297 enum DwarfLineNumberExtendedOps {
298   DW_LNE_end_sequence = 1,
299   DW_LNE_set_address = 2,
300   DW_LNE_define_file = 3,
301   // HP extensions.
302   DW_LNE_HP_negate_is_UV_update      = 0x11,
303   DW_LNE_HP_push_context             = 0x12,
304   DW_LNE_HP_pop_context              = 0x13,
305   DW_LNE_HP_set_file_line_column     = 0x14,
306   DW_LNE_HP_set_routine_name         = 0x15,
307   DW_LNE_HP_set_sequence             = 0x16,
308   DW_LNE_HP_negate_post_semantics    = 0x17,
309   DW_LNE_HP_negate_function_exit     = 0x18,
310   DW_LNE_HP_negate_front_end_logical = 0x19,
311   DW_LNE_HP_define_proc              = 0x20
312 };
313 
314 // Type encoding names and codes
315 enum DwarfEncoding {
316   DW_ATE_address                     =0x1,
317   DW_ATE_boolean                     =0x2,
318   DW_ATE_complex_float               =0x3,
319   DW_ATE_float                       =0x4,
320   DW_ATE_signed                      =0x5,
321   DW_ATE_signed_char                 =0x6,
322   DW_ATE_unsigned                    =0x7,
323   DW_ATE_unsigned_char               =0x8,
324   // DWARF3/DWARF3f
325   DW_ATE_imaginary_float             =0x9,
326   DW_ATE_packed_decimal              =0xa,
327   DW_ATE_numeric_string              =0xb,
328   DW_ATE_edited                      =0xc,
329   DW_ATE_signed_fixed                =0xd,
330   DW_ATE_unsigned_fixed              =0xe,
331   DW_ATE_decimal_float               =0xf,
332   DW_ATE_lo_user                     =0x80,
333   DW_ATE_hi_user                     =0xff
334 };
335 
336 // Location virtual machine opcodes
337 enum DwarfOpcode {
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   // DWARF3/DWARF3f
484   DW_OP_push_object_address          =0x97,
485   DW_OP_call2                        =0x98,
486   DW_OP_call4                        =0x99,
487   DW_OP_call_ref                     =0x9a,
488   DW_OP_form_tls_address             =0x9b,
489   DW_OP_call_frame_cfa               =0x9c,
490   DW_OP_bit_piece                    =0x9d,
491   DW_OP_lo_user                      =0xe0,
492   DW_OP_hi_user                      =0xff,
493   // GNU extensions
494   DW_OP_GNU_push_tls_address         =0xe0
495 };
496 
497 // Source languages.  These are values for DW_AT_language.
498 enum DwarfLanguage
499   {
500     DW_LANG_none                     =0x0000,
501     DW_LANG_C89                      =0x0001,
502     DW_LANG_C                        =0x0002,
503     DW_LANG_Ada83                    =0x0003,
504     DW_LANG_C_plus_plus              =0x0004,
505     DW_LANG_Cobol74                  =0x0005,
506     DW_LANG_Cobol85                  =0x0006,
507     DW_LANG_Fortran77                =0x0007,
508     DW_LANG_Fortran90                =0x0008,
509     DW_LANG_Pascal83                 =0x0009,
510     DW_LANG_Modula2                  =0x000a,
511     DW_LANG_Java                     =0x000b,
512     DW_LANG_C99                      =0x000c,
513     DW_LANG_Ada95                    =0x000d,
514     DW_LANG_Fortran95                =0x000e,
515     DW_LANG_PLI                      =0x000f,
516     DW_LANG_ObjC                     =0x0010,
517     DW_LANG_ObjC_plus_plus           =0x0011,
518     DW_LANG_UPC                      =0x0012,
519     DW_LANG_D                        =0x0013,
520     // Implementation-defined language code range.
521     DW_LANG_lo_user = 0x8000,
522     DW_LANG_hi_user = 0xffff,
523 
524     // Extensions.
525 
526     // MIPS assembly language.  The GNU toolchain uses this for all
527     // assembly languages, since there's no generic DW_LANG_ value for that.
528     // See include/dwarf2.h in the binutils, gdb, or gcc source trees.
529     DW_LANG_Mips_Assembler           =0x8001,
530     DW_LANG_Upc                      =0x8765 // Unified Parallel C
531   };
532 
533 // Inline codes.  These are values for DW_AT_inline.
534 enum DwarfInline {
535   DW_INL_not_inlined                 =0x0,
536   DW_INL_inlined                     =0x1,
537   DW_INL_declared_not_inlined        =0x2,
538   DW_INL_declared_inlined            =0x3
539 };
540 
541 // Call Frame Info instructions.
542 enum DwarfCFI
543   {
544     DW_CFA_advance_loc        = 0x40,
545     DW_CFA_offset             = 0x80,
546     DW_CFA_restore            = 0xc0,
547     DW_CFA_nop                = 0x00,
548     DW_CFA_set_loc            = 0x01,
549     DW_CFA_advance_loc1       = 0x02,
550     DW_CFA_advance_loc2       = 0x03,
551     DW_CFA_advance_loc4       = 0x04,
552     DW_CFA_offset_extended    = 0x05,
553     DW_CFA_restore_extended   = 0x06,
554     DW_CFA_undefined          = 0x07,
555     DW_CFA_same_value         = 0x08,
556     DW_CFA_register           = 0x09,
557     DW_CFA_remember_state     = 0x0a,
558     DW_CFA_restore_state      = 0x0b,
559     DW_CFA_def_cfa            = 0x0c,
560     DW_CFA_def_cfa_register   = 0x0d,
561     DW_CFA_def_cfa_offset     = 0x0e,
562     DW_CFA_def_cfa_expression = 0x0f,
563     DW_CFA_expression         = 0x10,
564     DW_CFA_offset_extended_sf = 0x11,
565     DW_CFA_def_cfa_sf         = 0x12,
566     DW_CFA_def_cfa_offset_sf  = 0x13,
567     DW_CFA_val_offset         = 0x14,
568     DW_CFA_val_offset_sf      = 0x15,
569     DW_CFA_val_expression     = 0x16,
570 
571     // Opcodes in this range are reserved for user extensions.
572     DW_CFA_lo_user = 0x1c,
573     DW_CFA_hi_user = 0x3f,
574 
575     // SGI/MIPS specific.
576     DW_CFA_MIPS_advance_loc8 = 0x1d,
577 
578     // GNU extensions.
579     DW_CFA_GNU_window_save = 0x2d,
580     DW_CFA_GNU_args_size = 0x2e,
581     DW_CFA_GNU_negative_offset_extended = 0x2f
582   };
583 
584 // Exception handling 'z' augmentation letters.
585 enum DwarfZAugmentationCodes {
586   // If the CFI augmentation string begins with 'z', then the CIE and FDE
587   // have an augmentation data area just before the instructions, whose
588   // contents are determined by the subsequent augmentation letters.
589   DW_Z_augmentation_start = 'z',
590 
591   // If this letter is present in a 'z' augmentation string, the CIE
592   // augmentation data includes a pointer encoding, and the FDE
593   // augmentation data includes a language-specific data area pointer,
594   // represented using that encoding.
595   DW_Z_has_LSDA = 'L',
596 
597   // If this letter is present in a 'z' augmentation string, the CIE
598   // augmentation data includes a pointer encoding, followed by a pointer
599   // to a personality routine, represented using that encoding.
600   DW_Z_has_personality_routine = 'P',
601 
602   // If this letter is present in a 'z' augmentation string, the CIE
603   // augmentation data includes a pointer encoding describing how the FDE's
604   // initial location, address range, and DW_CFA_set_loc operands are
605   // encoded.
606   DW_Z_has_FDE_address_encoding = 'R',
607 
608   // If this letter is present in a 'z' augmentation string, then code
609   // addresses covered by FDEs that cite this CIE are signal delivery
610   // trampolines. Return addresses of frames in trampolines should not be
611   // adjusted as described in section 6.4.4 of the DWARF 3 spec.
612   DW_Z_is_signal_trampoline = 'S'
613 };
614 
615 // Exception handling frame description pointer formats, as described
616 // by the Linux Standard Base Core Specification 4.0, section 11.5,
617 // DWARF Extensions.
618 enum DwarfPointerEncoding
619   {
620     DW_EH_PE_absptr	= 0x00,
621     DW_EH_PE_omit	= 0xff,
622     DW_EH_PE_uleb128    = 0x01,
623     DW_EH_PE_udata2	= 0x02,
624     DW_EH_PE_udata4	= 0x03,
625     DW_EH_PE_udata8	= 0x04,
626     DW_EH_PE_sleb128    = 0x09,
627     DW_EH_PE_sdata2	= 0x0A,
628     DW_EH_PE_sdata4	= 0x0B,
629     DW_EH_PE_sdata8	= 0x0C,
630     DW_EH_PE_pcrel	= 0x10,
631     DW_EH_PE_textrel	= 0x20,
632     DW_EH_PE_datarel	= 0x30,
633     DW_EH_PE_funcrel	= 0x40,
634     DW_EH_PE_aligned	= 0x50,
635 
636     // The GNU toolchain sources define this enum value as well,
637     // simply to help classify the lower nybble values into signed and
638     // unsigned groups.
639     DW_EH_PE_signed	= 0x08,
640 
641     // This is not documented in LSB 4.0, but it is used in both the
642     // Linux and OS X toolchains. It can be added to any other
643     // encoding (except DW_EH_PE_aligned), and indicates that the
644     // encoded value represents the address at which the true address
645     // is stored, not the true address itself.
646     DW_EH_PE_indirect	= 0x80
647   };
648 
649 }  // namespace dwarf2reader
650 #endif  // COMMON_DWARF_DWARF2ENUMS_H__
651