/ src / common / dwarf / dwarf2enums.h
dwarf2enums.h
  1  // -*- mode: c++ -*-
  2  
  3  // Copyright 2010 Google LLC
  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.
 15  //     * Neither the name of Google LLC nor the names of its
 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,
 24  // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 25  // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 26  // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 27  // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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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 google_breakpad {
 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    // DWARF 4.
 99    DW_TAG_type_unit = 0x41,
100    // DWARF 5.
101    DW_TAG_skeleton_unit = 0x4a,
102    // SGI/MIPS Extensions.
103    DW_TAG_MIPS_loop = 0x4081,
104    // HP extensions.  See:
105    // ftp://ftp.hp.com/pub/lang/tools/WDB/wdb-4.0.tar.gz
106    DW_TAG_HP_array_descriptor = 0x4090,
107    // GNU extensions.
108    DW_TAG_format_label = 0x4101,  // For FORTRAN 77 and Fortran 90.
109    DW_TAG_function_template = 0x4102,  // For C++.
110    DW_TAG_class_template = 0x4103,  // For C++.
111    DW_TAG_GNU_BINCL = 0x4104,
112    DW_TAG_GNU_EINCL = 0x4105,
113    // Extensions for UPC.  See: http://upc.gwu.edu/~upc.
114    DW_TAG_upc_shared_type = 0x8765,
115    DW_TAG_upc_strict_type = 0x8766,
116    DW_TAG_upc_relaxed_type = 0x8767,
117    // PGI (STMicroelectronics) extensions.  No documentation available.
118    DW_TAG_PGI_kanji_type      = 0xA000,
119    DW_TAG_PGI_interface_block = 0xA020
120  };
121  
122  enum DwarfUnitHeader {
123    DW_UT_compile = 0x01,
124    DW_UT_type = 0x02,
125    DW_UT_partial = 0x03,
126    DW_UT_skeleton = 0x04,
127    DW_UT_split_compile = 0x05,
128    DW_UT_split_type = 0x06,
129    DW_UT_lo_user = 0x80,
130    DW_UT_hi_user = 0xFF
131  };
132  
133  enum DwarfHasChild {
134    DW_children_no = 0,
135    DW_children_yes = 1
136  };
137  
138  // Form names and codes.
139  enum DwarfForm {
140    DW_FORM_addr = 0x01,
141    DW_FORM_block2 = 0x03,
142    DW_FORM_block4 = 0x04,
143    DW_FORM_data2 = 0x05,
144    DW_FORM_data4 = 0x06,
145    DW_FORM_data8 = 0x07,
146    DW_FORM_string = 0x08,
147    DW_FORM_block = 0x09,
148    DW_FORM_block1 = 0x0a,
149    DW_FORM_data1 = 0x0b,
150    DW_FORM_flag = 0x0c,
151    DW_FORM_sdata = 0x0d,
152    DW_FORM_strp = 0x0e,
153    DW_FORM_udata = 0x0f,
154    DW_FORM_ref_addr = 0x10,
155    DW_FORM_ref1 = 0x11,
156    DW_FORM_ref2 = 0x12,
157    DW_FORM_ref4 = 0x13,
158    DW_FORM_ref8 = 0x14,
159    DW_FORM_ref_udata = 0x15,
160    DW_FORM_indirect = 0x16,
161  
162    // Added in DWARF 4:
163    DW_FORM_sec_offset = 0x17,
164    DW_FORM_exprloc = 0x18,
165    DW_FORM_flag_present = 0x19,
166  
167    // Added in DWARF 5:
168    DW_FORM_strx = 0x1a,
169    DW_FORM_addrx = 0x1b,
170    DW_FORM_ref_sup4 = 0x1c,
171    DW_FORM_strp_sup = 0x1d,
172    DW_FORM_data16 = 0x1e,
173    DW_FORM_line_strp = 0x1f,
174  
175    // DWARF 4, but value out of order.
176    DW_FORM_ref_sig8 = 0x20,
177  
178    // Added in DWARF 5:
179    DW_FORM_implicit_const = 0x21,
180    DW_FORM_loclistx = 0x22,
181    DW_FORM_rnglistx = 0x23,
182    DW_FORM_ref_sup8 = 0x24,
183    DW_FORM_strx1 = 0x25,
184    DW_FORM_strx2 = 0x26,
185    DW_FORM_strx3 = 0x27,
186    DW_FORM_strx4 = 0x28,
187  
188    DW_FORM_addrx1 = 0x29,
189    DW_FORM_addrx2 = 0x2a,
190    DW_FORM_addrx3 = 0x2b,
191    DW_FORM_addrx4 = 0x2c,
192  
193    // Extensions for Fission.  See http://gcc.gnu.org/wiki/DebugFission.
194    DW_FORM_GNU_addr_index = 0x1f01,
195    DW_FORM_GNU_str_index = 0x1f02
196  };
197  
198  // Attribute names and codes
199  enum DwarfAttribute {
200    DW_AT_sibling = 0x01,
201    DW_AT_location = 0x02,
202    DW_AT_name = 0x03,
203    DW_AT_ordering = 0x09,
204    DW_AT_subscr_data = 0x0a,
205    DW_AT_byte_size = 0x0b,
206    DW_AT_bit_offset = 0x0c,
207    DW_AT_bit_size = 0x0d,
208    DW_AT_element_list = 0x0f,
209    DW_AT_stmt_list = 0x10,
210    DW_AT_low_pc = 0x11,
211    DW_AT_high_pc = 0x12,
212    DW_AT_language = 0x13,
213    DW_AT_member = 0x14,
214    DW_AT_discr = 0x15,
215    DW_AT_discr_value = 0x16,
216    DW_AT_visibility = 0x17,
217    DW_AT_import = 0x18,
218    DW_AT_string_length = 0x19,
219    DW_AT_common_reference = 0x1a,
220    DW_AT_comp_dir = 0x1b,
221    DW_AT_const_value = 0x1c,
222    DW_AT_containing_type = 0x1d,
223    DW_AT_default_value = 0x1e,
224    DW_AT_inline = 0x20,
225    DW_AT_is_optional = 0x21,
226    DW_AT_lower_bound = 0x22,
227    DW_AT_producer = 0x25,
228    DW_AT_prototyped = 0x27,
229    DW_AT_return_addr = 0x2a,
230    DW_AT_start_scope = 0x2c,
231    DW_AT_stride_size = 0x2e,
232    DW_AT_upper_bound = 0x2f,
233    DW_AT_abstract_origin = 0x31,
234    DW_AT_accessibility = 0x32,
235    DW_AT_address_class = 0x33,
236    DW_AT_artificial = 0x34,
237    DW_AT_base_types = 0x35,
238    DW_AT_calling_convention = 0x36,
239    DW_AT_count = 0x37,
240    DW_AT_data_member_location = 0x38,
241    DW_AT_decl_column = 0x39,
242    DW_AT_decl_file = 0x3a,
243    DW_AT_decl_line = 0x3b,
244    DW_AT_declaration = 0x3c,
245    DW_AT_discr_list = 0x3d,
246    DW_AT_encoding = 0x3e,
247    DW_AT_external = 0x3f,
248    DW_AT_frame_base = 0x40,
249    DW_AT_friend = 0x41,
250    DW_AT_identifier_case = 0x42,
251    DW_AT_macro_info = 0x43,
252    DW_AT_namelist_items = 0x44,
253    DW_AT_priority = 0x45,
254    DW_AT_segment = 0x46,
255    DW_AT_specification = 0x47,
256    DW_AT_static_link = 0x48,
257    DW_AT_type = 0x49,
258    DW_AT_use_location = 0x4a,
259    DW_AT_variable_parameter = 0x4b,
260    DW_AT_virtuality = 0x4c,
261    DW_AT_vtable_elem_location = 0x4d,
262    // DWARF 3 values.
263    DW_AT_allocated     = 0x4e,
264    DW_AT_associated    = 0x4f,
265    DW_AT_data_location = 0x50,
266    DW_AT_stride        = 0x51,
267    DW_AT_entry_pc      = 0x52,
268    DW_AT_use_UTF8      = 0x53,
269    DW_AT_extension     = 0x54,
270    DW_AT_ranges        = 0x55,
271    DW_AT_trampoline    = 0x56,
272    DW_AT_call_column   = 0x57,
273    DW_AT_call_file     = 0x58,
274    DW_AT_call_line     = 0x59,
275    // DWARF 4
276    DW_AT_linkage_name  = 0x6e,
277    // DWARF 5
278    DW_AT_str_offsets_base = 0x72,
279    DW_AT_addr_base = 0x73,
280    DW_AT_rnglists_base = 0x74,
281    DW_AT_dwo_name = 0x76,
282    // SGI/MIPS extensions.
283    DW_AT_MIPS_fde = 0x2001,
284    DW_AT_MIPS_loop_begin = 0x2002,
285    DW_AT_MIPS_tail_loop_begin = 0x2003,
286    DW_AT_MIPS_epilog_begin = 0x2004,
287    DW_AT_MIPS_loop_unroll_factor = 0x2005,
288    DW_AT_MIPS_software_pipeline_depth = 0x2006,
289    DW_AT_MIPS_linkage_name = 0x2007,
290    DW_AT_MIPS_stride = 0x2008,
291    DW_AT_MIPS_abstract_name = 0x2009,
292    DW_AT_MIPS_clone_origin = 0x200a,
293    DW_AT_MIPS_has_inlines = 0x200b,
294    // HP extensions.
295    DW_AT_HP_block_index         = 0x2000,
296    DW_AT_HP_unmodifiable        = 0x2001,  // Same as DW_AT_MIPS_fde.
297    DW_AT_HP_actuals_stmt_list   = 0x2010,
298    DW_AT_HP_proc_per_section    = 0x2011,
299    DW_AT_HP_raw_data_ptr        = 0x2012,
300    DW_AT_HP_pass_by_reference   = 0x2013,
301    DW_AT_HP_opt_level           = 0x2014,
302    DW_AT_HP_prof_version_id     = 0x2015,
303    DW_AT_HP_opt_flags           = 0x2016,
304    DW_AT_HP_cold_region_low_pc  = 0x2017,
305    DW_AT_HP_cold_region_high_pc = 0x2018,
306    DW_AT_HP_all_variables_modifiable = 0x2019,
307    DW_AT_HP_linkage_name        = 0x201a,
308    DW_AT_HP_prof_flags          = 0x201b,  // In comp unit of procs_info for -g.
309    // GNU extensions.
310    DW_AT_sf_names   = 0x2101,
311    DW_AT_src_info   = 0x2102,
312    DW_AT_mac_info   = 0x2103,
313    DW_AT_src_coords = 0x2104,
314    DW_AT_body_begin = 0x2105,
315    DW_AT_body_end   = 0x2106,
316    DW_AT_GNU_vector = 0x2107,
317    // Extensions for Fission.  See http://gcc.gnu.org/wiki/DebugFission.
318    DW_AT_GNU_dwo_name = 0x2130,
319    DW_AT_GNU_dwo_id = 0x2131,
320    DW_AT_GNU_ranges_base = 0x2132,
321    DW_AT_GNU_addr_base = 0x2133,
322    DW_AT_GNU_pubnames = 0x2134,
323    DW_AT_GNU_pubtypes = 0x2135,
324    // VMS extensions.
325    DW_AT_VMS_rtnbeg_pd_address = 0x2201,
326    // UPC extension.
327    DW_AT_upc_threads_scaled = 0x3210,
328    // PGI (STMicroelectronics) extensions.
329    DW_AT_PGI_lbase    = 0x3a00,
330    DW_AT_PGI_soffset  = 0x3a01,
331    DW_AT_PGI_lstride  = 0x3a02
332  };
333  
334  // .debug_rngslist entry types
335  enum DwarfRngListEntry {
336    DW_RLE_end_of_list = 0,
337    DW_RLE_base_addressx = 1,
338    DW_RLE_startx_endx = 2,
339    DW_RLE_startx_length = 3,
340    DW_RLE_offset_pair = 4,
341    DW_RLE_base_address = 5,
342    DW_RLE_start_end = 6,
343    DW_RLE_start_length = 7,
344  };
345  
346  // Line number content type codes (DWARF 5).
347  enum DwarfLineNumberContentType {
348    DW_LNCT_path = 1,
349    DW_LNCT_directory_index = 2,
350    DW_LNCT_timestamp = 3,
351    DW_LNCT_size = 4,
352    DW_LNCT_MD5 = 5,
353  };
354  
355  // Line number opcodes.
356  enum DwarfLineNumberOps {
357    DW_LNS_extended_op = 0,
358    DW_LNS_copy = 1,
359    DW_LNS_advance_pc = 2,
360    DW_LNS_advance_line = 3,
361    DW_LNS_set_file = 4,
362    DW_LNS_set_column = 5,
363    DW_LNS_negate_stmt = 6,
364    DW_LNS_set_basic_block = 7,
365    DW_LNS_const_add_pc = 8,
366    DW_LNS_fixed_advance_pc = 9,
367    // DWARF 3.
368    DW_LNS_set_prologue_end = 10,
369    DW_LNS_set_epilogue_begin = 11,
370    DW_LNS_set_isa = 12
371  };
372  
373  // Line number extended opcodes.
374  enum DwarfLineNumberExtendedOps {
375    DW_LNE_end_sequence = 1,
376    DW_LNE_set_address = 2,
377    DW_LNE_define_file = 3,
378    // HP extensions.
379    DW_LNE_HP_negate_is_UV_update      = 0x11,
380    DW_LNE_HP_push_context             = 0x12,
381    DW_LNE_HP_pop_context              = 0x13,
382    DW_LNE_HP_set_file_line_column     = 0x14,
383    DW_LNE_HP_set_routine_name         = 0x15,
384    DW_LNE_HP_set_sequence             = 0x16,
385    DW_LNE_HP_negate_post_semantics    = 0x17,
386    DW_LNE_HP_negate_function_exit     = 0x18,
387    DW_LNE_HP_negate_front_end_logical = 0x19,
388    DW_LNE_HP_define_proc              = 0x20
389  };
390  
391  // Type encoding names and codes
392  enum DwarfEncoding {
393    DW_ATE_address                     =0x1,
394    DW_ATE_boolean                     =0x2,
395    DW_ATE_complex_float               =0x3,
396    DW_ATE_float                       =0x4,
397    DW_ATE_signed                      =0x5,
398    DW_ATE_signed_char                 =0x6,
399    DW_ATE_unsigned                    =0x7,
400    DW_ATE_unsigned_char               =0x8,
401    // DWARF3/DWARF3f
402    DW_ATE_imaginary_float             =0x9,
403    DW_ATE_packed_decimal              =0xa,
404    DW_ATE_numeric_string              =0xb,
405    DW_ATE_edited                      =0xc,
406    DW_ATE_signed_fixed                =0xd,
407    DW_ATE_unsigned_fixed              =0xe,
408    DW_ATE_decimal_float               =0xf,
409    DW_ATE_lo_user                     =0x80,
410    DW_ATE_hi_user                     =0xff
411  };
412  
413  // Location virtual machine opcodes
414  enum DwarfOpcode {
415    DW_OP_addr                         =0x03,
416    DW_OP_deref                        =0x06,
417    DW_OP_const1u                      =0x08,
418    DW_OP_const1s                      =0x09,
419    DW_OP_const2u                      =0x0a,
420    DW_OP_const2s                      =0x0b,
421    DW_OP_const4u                      =0x0c,
422    DW_OP_const4s                      =0x0d,
423    DW_OP_const8u                      =0x0e,
424    DW_OP_const8s                      =0x0f,
425    DW_OP_constu                       =0x10,
426    DW_OP_consts                       =0x11,
427    DW_OP_dup                          =0x12,
428    DW_OP_drop                         =0x13,
429    DW_OP_over                         =0x14,
430    DW_OP_pick                         =0x15,
431    DW_OP_swap                         =0x16,
432    DW_OP_rot                          =0x17,
433    DW_OP_xderef                       =0x18,
434    DW_OP_abs                          =0x19,
435    DW_OP_and                          =0x1a,
436    DW_OP_div                          =0x1b,
437    DW_OP_minus                        =0x1c,
438    DW_OP_mod                          =0x1d,
439    DW_OP_mul                          =0x1e,
440    DW_OP_neg                          =0x1f,
441    DW_OP_not                          =0x20,
442    DW_OP_or                           =0x21,
443    DW_OP_plus                         =0x22,
444    DW_OP_plus_uconst                  =0x23,
445    DW_OP_shl                          =0x24,
446    DW_OP_shr                          =0x25,
447    DW_OP_shra                         =0x26,
448    DW_OP_xor                          =0x27,
449    DW_OP_bra                          =0x28,
450    DW_OP_eq                           =0x29,
451    DW_OP_ge                           =0x2a,
452    DW_OP_gt                           =0x2b,
453    DW_OP_le                           =0x2c,
454    DW_OP_lt                           =0x2d,
455    DW_OP_ne                           =0x2e,
456    DW_OP_skip                         =0x2f,
457    DW_OP_lit0                         =0x30,
458    DW_OP_lit1                         =0x31,
459    DW_OP_lit2                         =0x32,
460    DW_OP_lit3                         =0x33,
461    DW_OP_lit4                         =0x34,
462    DW_OP_lit5                         =0x35,
463    DW_OP_lit6                         =0x36,
464    DW_OP_lit7                         =0x37,
465    DW_OP_lit8                         =0x38,
466    DW_OP_lit9                         =0x39,
467    DW_OP_lit10                        =0x3a,
468    DW_OP_lit11                        =0x3b,
469    DW_OP_lit12                        =0x3c,
470    DW_OP_lit13                        =0x3d,
471    DW_OP_lit14                        =0x3e,
472    DW_OP_lit15                        =0x3f,
473    DW_OP_lit16                        =0x40,
474    DW_OP_lit17                        =0x41,
475    DW_OP_lit18                        =0x42,
476    DW_OP_lit19                        =0x43,
477    DW_OP_lit20                        =0x44,
478    DW_OP_lit21                        =0x45,
479    DW_OP_lit22                        =0x46,
480    DW_OP_lit23                        =0x47,
481    DW_OP_lit24                        =0x48,
482    DW_OP_lit25                        =0x49,
483    DW_OP_lit26                        =0x4a,
484    DW_OP_lit27                        =0x4b,
485    DW_OP_lit28                        =0x4c,
486    DW_OP_lit29                        =0x4d,
487    DW_OP_lit30                        =0x4e,
488    DW_OP_lit31                        =0x4f,
489    DW_OP_reg0                         =0x50,
490    DW_OP_reg1                         =0x51,
491    DW_OP_reg2                         =0x52,
492    DW_OP_reg3                         =0x53,
493    DW_OP_reg4                         =0x54,
494    DW_OP_reg5                         =0x55,
495    DW_OP_reg6                         =0x56,
496    DW_OP_reg7                         =0x57,
497    DW_OP_reg8                         =0x58,
498    DW_OP_reg9                         =0x59,
499    DW_OP_reg10                        =0x5a,
500    DW_OP_reg11                        =0x5b,
501    DW_OP_reg12                        =0x5c,
502    DW_OP_reg13                        =0x5d,
503    DW_OP_reg14                        =0x5e,
504    DW_OP_reg15                        =0x5f,
505    DW_OP_reg16                        =0x60,
506    DW_OP_reg17                        =0x61,
507    DW_OP_reg18                        =0x62,
508    DW_OP_reg19                        =0x63,
509    DW_OP_reg20                        =0x64,
510    DW_OP_reg21                        =0x65,
511    DW_OP_reg22                        =0x66,
512    DW_OP_reg23                        =0x67,
513    DW_OP_reg24                        =0x68,
514    DW_OP_reg25                        =0x69,
515    DW_OP_reg26                        =0x6a,
516    DW_OP_reg27                        =0x6b,
517    DW_OP_reg28                        =0x6c,
518    DW_OP_reg29                        =0x6d,
519    DW_OP_reg30                        =0x6e,
520    DW_OP_reg31                        =0x6f,
521    DW_OP_breg0                        =0x70,
522    DW_OP_breg1                        =0x71,
523    DW_OP_breg2                        =0x72,
524    DW_OP_breg3                        =0x73,
525    DW_OP_breg4                        =0x74,
526    DW_OP_breg5                        =0x75,
527    DW_OP_breg6                        =0x76,
528    DW_OP_breg7                        =0x77,
529    DW_OP_breg8                        =0x78,
530    DW_OP_breg9                        =0x79,
531    DW_OP_breg10                       =0x7a,
532    DW_OP_breg11                       =0x7b,
533    DW_OP_breg12                       =0x7c,
534    DW_OP_breg13                       =0x7d,
535    DW_OP_breg14                       =0x7e,
536    DW_OP_breg15                       =0x7f,
537    DW_OP_breg16                       =0x80,
538    DW_OP_breg17                       =0x81,
539    DW_OP_breg18                       =0x82,
540    DW_OP_breg19                       =0x83,
541    DW_OP_breg20                       =0x84,
542    DW_OP_breg21                       =0x85,
543    DW_OP_breg22                       =0x86,
544    DW_OP_breg23                       =0x87,
545    DW_OP_breg24                       =0x88,
546    DW_OP_breg25                       =0x89,
547    DW_OP_breg26                       =0x8a,
548    DW_OP_breg27                       =0x8b,
549    DW_OP_breg28                       =0x8c,
550    DW_OP_breg29                       =0x8d,
551    DW_OP_breg30                       =0x8e,
552    DW_OP_breg31                       =0x8f,
553    DW_OP_regX                         =0x90,
554    DW_OP_fbreg                        =0x91,
555    DW_OP_bregX                        =0x92,
556    DW_OP_piece                        =0x93,
557    DW_OP_deref_size                   =0x94,
558    DW_OP_xderef_size                  =0x95,
559    DW_OP_nop                          =0x96,
560    // DWARF3/DWARF3f
561    DW_OP_push_object_address          =0x97,
562    DW_OP_call2                        =0x98,
563    DW_OP_call4                        =0x99,
564    DW_OP_call_ref                     =0x9a,
565    DW_OP_form_tls_address             =0x9b,
566    DW_OP_call_frame_cfa               =0x9c,
567    DW_OP_bit_piece                    =0x9d,
568    DW_OP_lo_user                      =0xe0,
569    DW_OP_hi_user                      =0xff,
570    // GNU extensions
571    DW_OP_GNU_push_tls_address         =0xe0,
572    // Extensions for Fission.  See http://gcc.gnu.org/wiki/DebugFission.
573    DW_OP_GNU_addr_index               =0xfb,
574    DW_OP_GNU_const_index              =0xfc
575  };
576  
577  // Section identifiers for DWP files
578  enum DwarfSectionId {
579    DW_SECT_INFO = 1,
580    DW_SECT_TYPES = 2,
581    DW_SECT_ABBREV = 3,
582    DW_SECT_LINE = 4,
583    DW_SECT_LOCLISTS = 5,
584    DW_SECT_STR_OFFSETS = 6,
585    DW_SECT_MACRO = 7,
586    DW_SECT_RNGLISTS = 8
587  };
588  
589  // Source languages.  These are values for DW_AT_language.
590  enum DwarfLanguage
591    {
592      DW_LANG_none                     =0x0000,
593      DW_LANG_C89                      =0x0001,
594      DW_LANG_C                        =0x0002,
595      DW_LANG_Ada83                    =0x0003,
596      DW_LANG_C_plus_plus              =0x0004,
597      DW_LANG_Cobol74                  =0x0005,
598      DW_LANG_Cobol85                  =0x0006,
599      DW_LANG_Fortran77                =0x0007,
600      DW_LANG_Fortran90                =0x0008,
601      DW_LANG_Pascal83                 =0x0009,
602      DW_LANG_Modula2                  =0x000a,
603      DW_LANG_Java                     =0x000b,
604      DW_LANG_C99                      =0x000c,
605      DW_LANG_Ada95                    =0x000d,
606      DW_LANG_Fortran95                =0x000e,
607      DW_LANG_PLI                      =0x000f,
608      DW_LANG_ObjC                     =0x0010,
609      DW_LANG_ObjC_plus_plus           =0x0011,
610      DW_LANG_UPC                      =0x0012,
611      DW_LANG_D                        =0x0013,
612      DW_LANG_Rust                     =0x001c,
613      DW_LANG_Swift                    =0x001e,
614      // Implementation-defined language code range.
615      DW_LANG_lo_user = 0x8000,
616      DW_LANG_hi_user = 0xffff,
617  
618      // Extensions.
619  
620      // MIPS assembly language.  The GNU toolchain uses this for all
621      // assembly languages, since there's no generic DW_LANG_ value for that.
622      // See include/dwarf2.h in the binutils, gdb, or gcc source trees.
623      DW_LANG_Mips_Assembler           =0x8001,
624      DW_LANG_Upc                      =0x8765 // Unified Parallel C
625    };
626  
627  // Inline codes.  These are values for DW_AT_inline.
628  enum DwarfInline {
629    DW_INL_not_inlined                 =0x0,
630    DW_INL_inlined                     =0x1,
631    DW_INL_declared_not_inlined        =0x2,
632    DW_INL_declared_inlined            =0x3
633  };
634  
635  // Call Frame Info instructions.
636  enum DwarfCFI
637    {
638      DW_CFA_advance_loc        = 0x40,
639      DW_CFA_offset             = 0x80,
640      DW_CFA_restore            = 0xc0,
641      DW_CFA_nop                = 0x00,
642      DW_CFA_set_loc            = 0x01,
643      DW_CFA_advance_loc1       = 0x02,
644      DW_CFA_advance_loc2       = 0x03,
645      DW_CFA_advance_loc4       = 0x04,
646      DW_CFA_offset_extended    = 0x05,
647      DW_CFA_restore_extended   = 0x06,
648      DW_CFA_undefined          = 0x07,
649      DW_CFA_same_value         = 0x08,
650      DW_CFA_register           = 0x09,
651      DW_CFA_remember_state     = 0x0a,
652      DW_CFA_restore_state      = 0x0b,
653      DW_CFA_def_cfa            = 0x0c,
654      DW_CFA_def_cfa_register   = 0x0d,
655      DW_CFA_def_cfa_offset     = 0x0e,
656      DW_CFA_def_cfa_expression = 0x0f,
657      DW_CFA_expression         = 0x10,
658      DW_CFA_offset_extended_sf = 0x11,
659      DW_CFA_def_cfa_sf         = 0x12,
660      DW_CFA_def_cfa_offset_sf  = 0x13,
661      DW_CFA_val_offset         = 0x14,
662      DW_CFA_val_offset_sf      = 0x15,
663      DW_CFA_val_expression     = 0x16,
664  
665      // Opcodes in this range are reserved for user extensions.
666      DW_CFA_lo_user = 0x1c,
667      DW_CFA_hi_user = 0x3f,
668  
669      // SGI/MIPS specific.
670      DW_CFA_MIPS_advance_loc8 = 0x1d,
671  
672      // GNU extensions.
673      DW_CFA_GNU_window_save = 0x2d,
674      DW_CFA_GNU_args_size = 0x2e,
675      DW_CFA_GNU_negative_offset_extended = 0x2f
676    };
677  
678  // Exception handling 'z' augmentation letters.
679  enum DwarfZAugmentationCodes {
680    // If the CFI augmentation string begins with 'z', then the CIE and FDE
681    // have an augmentation data area just before the instructions, whose
682    // contents are determined by the subsequent augmentation letters.
683    DW_Z_augmentation_start = 'z',
684  
685    // If this letter is present in a 'z' augmentation string, the CIE
686    // augmentation data includes a pointer encoding, and the FDE
687    // augmentation data includes a language-specific data area pointer,
688    // represented using that encoding.
689    DW_Z_has_LSDA = 'L',
690  
691    // If this letter is present in a 'z' augmentation string, the CIE
692    // augmentation data includes a pointer encoding, followed by a pointer
693    // to a personality routine, represented using that encoding.
694    DW_Z_has_personality_routine = 'P',
695  
696    // If this letter is present in a 'z' augmentation string, the CIE
697    // augmentation data includes a pointer encoding describing how the FDE's
698    // initial location, address range, and DW_CFA_set_loc operands are
699    // encoded.
700    DW_Z_has_FDE_address_encoding = 'R',
701  
702    // If this letter is present in a 'z' augmentation string, then code
703    // addresses covered by FDEs that cite this CIE are signal delivery
704    // trampolines. Return addresses of frames in trampolines should not be
705    // adjusted as described in section 6.4.4 of the DWARF 3 spec.
706    DW_Z_is_signal_trampoline = 'S'
707  };
708  
709  // Exception handling frame description pointer formats, as described
710  // by the Linux Standard Base Core Specification 4.0, section 11.5,
711  // DWARF Extensions.
712  enum DwarfPointerEncoding
713    {
714      DW_EH_PE_absptr	= 0x00,
715      DW_EH_PE_omit	= 0xff,
716      DW_EH_PE_uleb128    = 0x01,
717      DW_EH_PE_udata2	= 0x02,
718      DW_EH_PE_udata4	= 0x03,
719      DW_EH_PE_udata8	= 0x04,
720      DW_EH_PE_sleb128    = 0x09,
721      DW_EH_PE_sdata2	= 0x0A,
722      DW_EH_PE_sdata4	= 0x0B,
723      DW_EH_PE_sdata8	= 0x0C,
724      DW_EH_PE_pcrel	= 0x10,
725      DW_EH_PE_textrel	= 0x20,
726      DW_EH_PE_datarel	= 0x30,
727      DW_EH_PE_funcrel	= 0x40,
728      DW_EH_PE_aligned	= 0x50,
729  
730      // The GNU toolchain sources define this enum value as well,
731      // simply to help classify the lower nybble values into signed and
732      // unsigned groups.
733      DW_EH_PE_signed	= 0x08,
734  
735      // This is not documented in LSB 4.0, but it is used in both the
736      // Linux and OS X toolchains. It can be added to any other
737      // encoding (except DW_EH_PE_aligned), and indicates that the
738      // encoded value represents the address at which the true address
739      // is stored, not the true address itself.
740      DW_EH_PE_indirect	= 0x80
741    };
742  
743  }  // namespace google_breakpad
744  #endif  // COMMON_DWARF_DWARF2ENUMS_H__