1//===-- llvm/Support/Dwarf.cpp - Dwarf Framework ----------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file contains support for generic dwarf information.
11//
12//===----------------------------------------------------------------------===//
13
14#include "llvm/Support/Dwarf.h"
15#include "llvm/Support/ErrorHandling.h"
16
17using namespace llvm;
18using namespace dwarf;
19
20/// TagString - Return the string for the specified tag.
21///
22const char *llvm::dwarf::TagString(unsigned Tag) {
23  switch (Tag) {
24  case DW_TAG_array_type:                return "DW_TAG_array_type";
25  case DW_TAG_class_type:                return "DW_TAG_class_type";
26  case DW_TAG_entry_point:               return "DW_TAG_entry_point";
27  case DW_TAG_enumeration_type:          return "DW_TAG_enumeration_type";
28  case DW_TAG_formal_parameter:          return "DW_TAG_formal_parameter";
29  case DW_TAG_imported_declaration:      return "DW_TAG_imported_declaration";
30  case DW_TAG_label:                     return "DW_TAG_label";
31  case DW_TAG_lexical_block:             return "DW_TAG_lexical_block";
32  case DW_TAG_member:                    return "DW_TAG_member";
33  case DW_TAG_pointer_type:              return "DW_TAG_pointer_type";
34  case DW_TAG_reference_type:            return "DW_TAG_reference_type";
35  case DW_TAG_compile_unit:              return "DW_TAG_compile_unit";
36  case DW_TAG_string_type:               return "DW_TAG_string_type";
37  case DW_TAG_structure_type:            return "DW_TAG_structure_type";
38  case DW_TAG_subroutine_type:           return "DW_TAG_subroutine_type";
39  case DW_TAG_typedef:                   return "DW_TAG_typedef";
40  case DW_TAG_union_type:                return "DW_TAG_union_type";
41  case DW_TAG_unspecified_parameters:    return "DW_TAG_unspecified_parameters";
42  case DW_TAG_variant:                   return "DW_TAG_variant";
43  case DW_TAG_common_block:              return "DW_TAG_common_block";
44  case DW_TAG_common_inclusion:          return "DW_TAG_common_inclusion";
45  case DW_TAG_inheritance:               return "DW_TAG_inheritance";
46  case DW_TAG_inlined_subroutine:        return "DW_TAG_inlined_subroutine";
47  case DW_TAG_module:                    return "DW_TAG_module";
48  case DW_TAG_ptr_to_member_type:        return "DW_TAG_ptr_to_member_type";
49  case DW_TAG_set_type:                  return "DW_TAG_set_type";
50  case DW_TAG_subrange_type:             return "DW_TAG_subrange_type";
51  case DW_TAG_with_stmt:                 return "DW_TAG_with_stmt";
52  case DW_TAG_access_declaration:        return "DW_TAG_access_declaration";
53  case DW_TAG_base_type:                 return "DW_TAG_base_type";
54  case DW_TAG_catch_block:               return "DW_TAG_catch_block";
55  case DW_TAG_const_type:                return "DW_TAG_const_type";
56  case DW_TAG_constant:                  return "DW_TAG_constant";
57  case DW_TAG_enumerator:                return "DW_TAG_enumerator";
58  case DW_TAG_file_type:                 return "DW_TAG_file_type";
59  case DW_TAG_friend:                    return "DW_TAG_friend";
60  case DW_TAG_namelist:                  return "DW_TAG_namelist";
61  case DW_TAG_namelist_item:             return "DW_TAG_namelist_item";
62  case DW_TAG_packed_type:               return "DW_TAG_packed_type";
63  case DW_TAG_subprogram:                return "DW_TAG_subprogram";
64  case DW_TAG_template_type_parameter:   return "DW_TAG_template_type_parameter";
65  case DW_TAG_template_value_parameter:  return "DW_TAG_template_value_parameter";
66  case DW_TAG_thrown_type:               return "DW_TAG_thrown_type";
67  case DW_TAG_try_block:                 return "DW_TAG_try_block";
68  case DW_TAG_variant_part:              return "DW_TAG_variant_part";
69  case DW_TAG_variable:                  return "DW_TAG_variable";
70  case DW_TAG_volatile_type:             return "DW_TAG_volatile_type";
71  case DW_TAG_dwarf_procedure:           return "DW_TAG_dwarf_procedure";
72  case DW_TAG_restrict_type:             return "DW_TAG_restrict_type";
73  case DW_TAG_interface_type:            return "DW_TAG_interface_type";
74  case DW_TAG_namespace:                 return "DW_TAG_namespace";
75  case DW_TAG_imported_module:           return "DW_TAG_imported_module";
76  case DW_TAG_unspecified_type:          return "DW_TAG_unspecified_type";
77  case DW_TAG_partial_unit:              return "DW_TAG_partial_unit";
78  case DW_TAG_imported_unit:             return "DW_TAG_imported_unit";
79  case DW_TAG_condition:                 return "DW_TAG_condition";
80  case DW_TAG_shared_type:               return "DW_TAG_shared_type";
81  case DW_TAG_lo_user:                   return "DW_TAG_lo_user";
82  case DW_TAG_hi_user:                   return "DW_TAG_hi_user";
83  case DW_TAG_auto_variable:             return "DW_TAG_auto_variable";
84  case DW_TAG_arg_variable:              return "DW_TAG_arg_variable";
85  case DW_TAG_rvalue_reference_type:     return "DW_TAG_rvalue_reference_type";
86  case DW_TAG_template_alias:            return "DW_TAG_template_alias";
87  case DW_TAG_MIPS_loop:                 return "DW_TAG_MIPS_loop";
88  case DW_TAG_type_unit:                 return "DW_TAG_type_unit";
89  case DW_TAG_format_label:              return "DW_TAG_format_label";
90  case DW_TAG_function_template:         return "DW_TAG_function_template";
91  case DW_TAG_class_template:            return "DW_TAG_class_template";
92  case DW_TAG_GNU_template_template_param:
93    return "DW_TAG_GNU_template_template_param";
94  case DW_TAG_GNU_template_parameter_pack:
95    return "DW_TAG_GNU_template_parameter_pack";
96  case DW_TAG_GNU_formal_parameter_pack:
97    return "DW_TAG_GNU_formal_parameter_pack";
98  case DW_TAG_APPLE_property:            return "DW_TAG_APPLE_property";
99  }
100  return 0;
101}
102
103/// ChildrenString - Return the string for the specified children flag.
104///
105const char *llvm::dwarf::ChildrenString(unsigned Children) {
106  switch (Children) {
107  case DW_CHILDREN_no:                   return "DW_CHILDREN_no";
108  case DW_CHILDREN_yes:                  return "DW_CHILDREN_yes";
109  }
110  return 0;
111}
112
113/// AttributeString - Return the string for the specified attribute.
114///
115const char *llvm::dwarf::AttributeString(unsigned Attribute) {
116  switch (Attribute) {
117  case DW_AT_sibling:                    return "DW_AT_sibling";
118  case DW_AT_location:                   return "DW_AT_location";
119  case DW_AT_name:                       return "DW_AT_name";
120  case DW_AT_ordering:                   return "DW_AT_ordering";
121  case DW_AT_byte_size:                  return "DW_AT_byte_size";
122  case DW_AT_bit_offset:                 return "DW_AT_bit_offset";
123  case DW_AT_bit_size:                   return "DW_AT_bit_size";
124  case DW_AT_stmt_list:                  return "DW_AT_stmt_list";
125  case DW_AT_low_pc:                     return "DW_AT_low_pc";
126  case DW_AT_high_pc:                    return "DW_AT_high_pc";
127  case DW_AT_language:                   return "DW_AT_language";
128  case DW_AT_discr:                      return "DW_AT_discr";
129  case DW_AT_discr_value:                return "DW_AT_discr_value";
130  case DW_AT_visibility:                 return "DW_AT_visibility";
131  case DW_AT_import:                     return "DW_AT_import";
132  case DW_AT_string_length:              return "DW_AT_string_length";
133  case DW_AT_common_reference:           return "DW_AT_common_reference";
134  case DW_AT_comp_dir:                   return "DW_AT_comp_dir";
135  case DW_AT_const_value:                return "DW_AT_const_value";
136  case DW_AT_containing_type:            return "DW_AT_containing_type";
137  case DW_AT_default_value:              return "DW_AT_default_value";
138  case DW_AT_inline:                     return "DW_AT_inline";
139  case DW_AT_is_optional:                return "DW_AT_is_optional";
140  case DW_AT_lower_bound:                return "DW_AT_lower_bound";
141  case DW_AT_producer:                   return "DW_AT_producer";
142  case DW_AT_prototyped:                 return "DW_AT_prototyped";
143  case DW_AT_return_addr:                return "DW_AT_return_addr";
144  case DW_AT_start_scope:                return "DW_AT_start_scope";
145  case DW_AT_bit_stride:                 return "DW_AT_bit_stride";
146  case DW_AT_upper_bound:                return "DW_AT_upper_bound";
147  case DW_AT_abstract_origin:            return "DW_AT_abstract_origin";
148  case DW_AT_accessibility:              return "DW_AT_accessibility";
149  case DW_AT_address_class:              return "DW_AT_address_class";
150  case DW_AT_artificial:                 return "DW_AT_artificial";
151  case DW_AT_base_types:                 return "DW_AT_base_types";
152  case DW_AT_calling_convention:         return "DW_AT_calling_convention";
153  case DW_AT_count:                      return "DW_AT_count";
154  case DW_AT_data_member_location:       return "DW_AT_data_member_location";
155  case DW_AT_decl_column:                return "DW_AT_decl_column";
156  case DW_AT_decl_file:                  return "DW_AT_decl_file";
157  case DW_AT_decl_line:                  return "DW_AT_decl_line";
158  case DW_AT_declaration:                return "DW_AT_declaration";
159  case DW_AT_discr_list:                 return "DW_AT_discr_list";
160  case DW_AT_encoding:                   return "DW_AT_encoding";
161  case DW_AT_external:                   return "DW_AT_external";
162  case DW_AT_frame_base:                 return "DW_AT_frame_base";
163  case DW_AT_friend:                     return "DW_AT_friend";
164  case DW_AT_identifier_case:            return "DW_AT_identifier_case";
165  case DW_AT_macro_info:                 return "DW_AT_macro_info";
166  case DW_AT_namelist_item:              return "DW_AT_namelist_item";
167  case DW_AT_priority:                   return "DW_AT_priority";
168  case DW_AT_segment:                    return "DW_AT_segment";
169  case DW_AT_specification:              return "DW_AT_specification";
170  case DW_AT_static_link:                return "DW_AT_static_link";
171  case DW_AT_type:                       return "DW_AT_type";
172  case DW_AT_use_location:               return "DW_AT_use_location";
173  case DW_AT_variable_parameter:         return "DW_AT_variable_parameter";
174  case DW_AT_virtuality:                 return "DW_AT_virtuality";
175  case DW_AT_vtable_elem_location:       return "DW_AT_vtable_elem_location";
176  case DW_AT_allocated:                  return "DW_AT_allocated";
177  case DW_AT_associated:                 return "DW_AT_associated";
178  case DW_AT_data_location:              return "DW_AT_data_location";
179  case DW_AT_byte_stride:                return "DW_AT_byte_stride";
180  case DW_AT_entry_pc:                   return "DW_AT_entry_pc";
181  case DW_AT_use_UTF8:                   return "DW_AT_use_UTF8";
182  case DW_AT_extension:                  return "DW_AT_extension";
183  case DW_AT_ranges:                     return "DW_AT_ranges";
184  case DW_AT_trampoline:                 return "DW_AT_trampoline";
185  case DW_AT_call_column:                return "DW_AT_call_column";
186  case DW_AT_call_file:                  return "DW_AT_call_file";
187  case DW_AT_call_line:                  return "DW_AT_call_line";
188  case DW_AT_description:                return "DW_AT_description";
189  case DW_AT_binary_scale:               return "DW_AT_binary_scale";
190  case DW_AT_decimal_scale:              return "DW_AT_decimal_scale";
191  case DW_AT_small:                      return "DW_AT_small";
192  case DW_AT_decimal_sign:               return "DW_AT_decimal_sign";
193  case DW_AT_digit_count:                return "DW_AT_digit_count";
194  case DW_AT_picture_string:             return "DW_AT_picture_string";
195  case DW_AT_mutable:                    return "DW_AT_mutable";
196  case DW_AT_threads_scaled:             return "DW_AT_threads_scaled";
197  case DW_AT_explicit:                   return "DW_AT_explicit";
198  case DW_AT_object_pointer:             return "DW_AT_object_pointer";
199  case DW_AT_endianity:                  return "DW_AT_endianity";
200  case DW_AT_elemental:                  return "DW_AT_elemental";
201  case DW_AT_pure:                       return "DW_AT_pure";
202  case DW_AT_recursive:                  return "DW_AT_recursive";
203  case DW_AT_signature:                  return "DW_AT_signature";
204  case DW_AT_main_subprogram:            return "DW_AT_main_subprogram";
205  case DW_AT_data_bit_offset:            return "DW_AT_data_bit_offset";
206  case DW_AT_const_expr:                 return "DW_AT_const_expr";
207  case DW_AT_enum_class:                 return "DW_AT_enum_class";
208  case DW_AT_linkage_name:               return "DW_AT_linkage_name";
209  case DW_AT_MIPS_loop_begin:            return "DW_AT_MIPS_loop_begin";
210  case DW_AT_MIPS_tail_loop_begin:       return "DW_AT_MIPS_tail_loop_begin";
211  case DW_AT_MIPS_epilog_begin:          return "DW_AT_MIPS_epilog_begin";
212  case DW_AT_MIPS_loop_unroll_factor:    return "DW_AT_MIPS_loop_unroll_factor";
213  case DW_AT_MIPS_software_pipeline_depth:
214    return "DW_AT_MIPS_software_pipeline_depth";
215  case DW_AT_MIPS_linkage_name:          return "DW_AT_MIPS_linkage_name";
216  case DW_AT_MIPS_stride:                return "DW_AT_MIPS_stride";
217  case DW_AT_MIPS_abstract_name:         return "DW_AT_MIPS_abstract_name";
218  case DW_AT_MIPS_clone_origin:          return "DW_AT_MIPS_clone_origin";
219  case DW_AT_MIPS_has_inlines:           return "DW_AT_MIPS_has_inlines";
220  case DW_AT_MIPS_stride_byte:           return "DW_AT_MIPS_stride_byte";
221  case DW_AT_MIPS_stride_elem:           return "DW_AT_MIPS_stride_elem";
222  case DW_AT_MIPS_ptr_dopetype:          return "DW_AT_MIPS_ptr_dopetype";
223  case DW_AT_MIPS_allocatable_dopetype:
224    return "DW_AT_MIPS_allocatable_dopetype";
225  case DW_AT_MIPS_assumed_shape_dopetype:
226    return "DW_AT_MIPS_assumed_shape_dopetype";
227  case DW_AT_sf_names:                   return "DW_AT_sf_names";
228  case DW_AT_src_info:                   return "DW_AT_src_info";
229  case DW_AT_mac_info:                   return "DW_AT_mac_info";
230  case DW_AT_src_coords:                 return "DW_AT_src_coords";
231  case DW_AT_body_begin:                 return "DW_AT_body_begin";
232  case DW_AT_body_end:                   return "DW_AT_body_end";
233  case DW_AT_GNU_vector:                 return "DW_AT_GNU_vector";
234  case DW_AT_GNU_template_name:          return "DW_AT_GNU_template_name";
235  case DW_AT_GNU_odr_signature:          return "DW_AT_GNU_odr_signature";
236  case DW_AT_MIPS_assumed_size:          return "DW_AT_MIPS_assumed_size";
237  case DW_AT_lo_user:                    return "DW_AT_lo_user";
238  case DW_AT_hi_user:                    return "DW_AT_hi_user";
239  case DW_AT_APPLE_optimized:            return "DW_AT_APPLE_optimized";
240  case DW_AT_APPLE_flags:                return "DW_AT_APPLE_flags";
241  case DW_AT_APPLE_isa:                  return "DW_AT_APPLE_isa";
242  case DW_AT_APPLE_block:                return "DW_AT_APPLE_block";
243  case DW_AT_APPLE_major_runtime_vers:   return "DW_AT_APPLE_major_runtime_vers";
244  case DW_AT_APPLE_runtime_class:        return "DW_AT_APPLE_runtime_class";
245  case DW_AT_APPLE_omit_frame_ptr:       return "DW_AT_APPLE_omit_frame_ptr";
246  case DW_AT_APPLE_property_name:        return "DW_AT_APPLE_property_name";
247  case DW_AT_APPLE_property_getter:      return "DW_AT_APPLE_property_getter";
248  case DW_AT_APPLE_property_setter:      return "DW_AT_APPLE_property_setter";
249  case DW_AT_APPLE_property_attribute:   return "DW_AT_APPLE_property_attribute";
250  case DW_AT_APPLE_property:             return "DW_AT_APPLE_property";
251  case DW_AT_APPLE_objc_complete_type:   return "DW_AT_APPLE_objc_complete_type";
252
253    // DWARF5 Fission Extension Attribute
254  case DW_AT_GNU_dwo_name:               return "DW_AT_GNU_dwo_name";
255  case DW_AT_GNU_dwo_id:                 return "DW_AT_GNU_dwo_id";
256  case DW_AT_GNU_ranges_base:            return "DW_AT_GNU_ranges_base";
257  case DW_AT_GNU_addr_base:              return "DW_AT_GNU_addr_base";
258  case DW_AT_GNU_pubnames:               return "DW_AT_GNU_pubnames";
259  case DW_AT_GNU_pubtypes:               return "DW_AT_GNU_pubtypes";
260  }
261  return 0;
262}
263
264/// FormEncodingString - Return the string for the specified form encoding.
265///
266const char *llvm::dwarf::FormEncodingString(unsigned Encoding) {
267  switch (Encoding) {
268  case DW_FORM_addr:                     return "DW_FORM_addr";
269  case DW_FORM_block2:                   return "DW_FORM_block2";
270  case DW_FORM_block4:                   return "DW_FORM_block4";
271  case DW_FORM_data2:                    return "DW_FORM_data2";
272  case DW_FORM_data4:                    return "DW_FORM_data4";
273  case DW_FORM_data8:                    return "DW_FORM_data8";
274  case DW_FORM_string:                   return "DW_FORM_string";
275  case DW_FORM_block:                    return "DW_FORM_block";
276  case DW_FORM_block1:                   return "DW_FORM_block1";
277  case DW_FORM_data1:                    return "DW_FORM_data1";
278  case DW_FORM_flag:                     return "DW_FORM_flag";
279  case DW_FORM_sdata:                    return "DW_FORM_sdata";
280  case DW_FORM_strp:                     return "DW_FORM_strp";
281  case DW_FORM_udata:                    return "DW_FORM_udata";
282  case DW_FORM_ref_addr:                 return "DW_FORM_ref_addr";
283  case DW_FORM_ref1:                     return "DW_FORM_ref1";
284  case DW_FORM_ref2:                     return "DW_FORM_ref2";
285  case DW_FORM_ref4:                     return "DW_FORM_ref4";
286  case DW_FORM_ref8:                     return "DW_FORM_ref8";
287  case DW_FORM_ref_udata:                return "DW_FORM_ref_udata";
288  case DW_FORM_indirect:                 return "DW_FORM_indirect";
289  case DW_FORM_sec_offset:               return "DW_FORM_sec_offset";
290  case DW_FORM_exprloc:                  return "DW_FORM_exprloc";
291  case DW_FORM_flag_present:             return "DW_FORM_flag_present";
292  case DW_FORM_ref_sig8:                 return "DW_FORM_ref_sig8";
293
294    // DWARF5 Fission Extension Forms
295  case DW_FORM_GNU_addr_index:           return "DW_FORM_GNU_addr_index";
296  case DW_FORM_GNU_str_index:            return "DW_FORM_GNU_str_index";
297  }
298  return 0;
299}
300
301/// OperationEncodingString - Return the string for the specified operation
302/// encoding.
303const char *llvm::dwarf::OperationEncodingString(unsigned Encoding) {
304  switch (Encoding) {
305  case DW_OP_addr:                       return "DW_OP_addr";
306  case DW_OP_deref:                      return "DW_OP_deref";
307  case DW_OP_const1u:                    return "DW_OP_const1u";
308  case DW_OP_const1s:                    return "DW_OP_const1s";
309  case DW_OP_const2u:                    return "DW_OP_const2u";
310  case DW_OP_const2s:                    return "DW_OP_const2s";
311  case DW_OP_const4u:                    return "DW_OP_const4u";
312  case DW_OP_const4s:                    return "DW_OP_const4s";
313  case DW_OP_const8u:                    return "DW_OP_const8u";
314  case DW_OP_const8s:                    return "DW_OP_const8s";
315  case DW_OP_constu:                     return "DW_OP_constu";
316  case DW_OP_consts:                     return "DW_OP_consts";
317  case DW_OP_dup:                        return "DW_OP_dup";
318  case DW_OP_drop:                       return "DW_OP_drop";
319  case DW_OP_over:                       return "DW_OP_over";
320  case DW_OP_pick:                       return "DW_OP_pick";
321  case DW_OP_swap:                       return "DW_OP_swap";
322  case DW_OP_rot:                        return "DW_OP_rot";
323  case DW_OP_xderef:                     return "DW_OP_xderef";
324  case DW_OP_abs:                        return "DW_OP_abs";
325  case DW_OP_and:                        return "DW_OP_and";
326  case DW_OP_div:                        return "DW_OP_div";
327  case DW_OP_minus:                      return "DW_OP_minus";
328  case DW_OP_mod:                        return "DW_OP_mod";
329  case DW_OP_mul:                        return "DW_OP_mul";
330  case DW_OP_neg:                        return "DW_OP_neg";
331  case DW_OP_not:                        return "DW_OP_not";
332  case DW_OP_or:                         return "DW_OP_or";
333  case DW_OP_plus:                       return "DW_OP_plus";
334  case DW_OP_plus_uconst:                return "DW_OP_plus_uconst";
335  case DW_OP_shl:                        return "DW_OP_shl";
336  case DW_OP_shr:                        return "DW_OP_shr";
337  case DW_OP_shra:                       return "DW_OP_shra";
338  case DW_OP_xor:                        return "DW_OP_xor";
339  case DW_OP_skip:                       return "DW_OP_skip";
340  case DW_OP_bra:                        return "DW_OP_bra";
341  case DW_OP_eq:                         return "DW_OP_eq";
342  case DW_OP_ge:                         return "DW_OP_ge";
343  case DW_OP_gt:                         return "DW_OP_gt";
344  case DW_OP_le:                         return "DW_OP_le";
345  case DW_OP_lt:                         return "DW_OP_lt";
346  case DW_OP_ne:                         return "DW_OP_ne";
347  case DW_OP_lit0:                       return "DW_OP_lit0";
348  case DW_OP_lit1:                       return "DW_OP_lit1";
349  case DW_OP_lit2:                       return "DW_OP_lit2";
350  case DW_OP_lit3:                       return "DW_OP_lit3";
351  case DW_OP_lit4:                       return "DW_OP_lit4";
352  case DW_OP_lit5:                       return "DW_OP_lit5";
353  case DW_OP_lit6:                       return "DW_OP_lit6";
354  case DW_OP_lit7:                       return "DW_OP_lit7";
355  case DW_OP_lit8:                       return "DW_OP_lit8";
356  case DW_OP_lit9:                       return "DW_OP_lit9";
357  case DW_OP_lit10:                      return "DW_OP_lit10";
358  case DW_OP_lit11:                      return "DW_OP_lit11";
359  case DW_OP_lit12:                      return "DW_OP_lit12";
360  case DW_OP_lit13:                      return "DW_OP_lit13";
361  case DW_OP_lit14:                      return "DW_OP_lit14";
362  case DW_OP_lit15:                      return "DW_OP_lit15";
363  case DW_OP_lit16:                      return "DW_OP_lit16";
364  case DW_OP_lit17:                      return "DW_OP_lit17";
365  case DW_OP_lit18:                      return "DW_OP_lit18";
366  case DW_OP_lit19:                      return "DW_OP_lit19";
367  case DW_OP_lit20:                      return "DW_OP_lit20";
368  case DW_OP_lit21:                      return "DW_OP_lit21";
369  case DW_OP_lit22:                      return "DW_OP_lit22";
370  case DW_OP_lit23:                      return "DW_OP_lit23";
371  case DW_OP_lit24:                      return "DW_OP_lit24";
372  case DW_OP_lit25:                      return "DW_OP_lit25";
373  case DW_OP_lit26:                      return "DW_OP_lit26";
374  case DW_OP_lit27:                      return "DW_OP_lit27";
375  case DW_OP_lit28:                      return "DW_OP_lit28";
376  case DW_OP_lit29:                      return "DW_OP_lit29";
377  case DW_OP_lit30:                      return "DW_OP_lit30";
378  case DW_OP_lit31:                      return "DW_OP_lit31";
379  case DW_OP_reg0:                       return "DW_OP_reg0";
380  case DW_OP_reg1:                       return "DW_OP_reg1";
381  case DW_OP_reg2:                       return "DW_OP_reg2";
382  case DW_OP_reg3:                       return "DW_OP_reg3";
383  case DW_OP_reg4:                       return "DW_OP_reg4";
384  case DW_OP_reg5:                       return "DW_OP_reg5";
385  case DW_OP_reg6:                       return "DW_OP_reg6";
386  case DW_OP_reg7:                       return "DW_OP_reg7";
387  case DW_OP_reg8:                       return "DW_OP_reg8";
388  case DW_OP_reg9:                       return "DW_OP_reg9";
389  case DW_OP_reg10:                      return "DW_OP_reg10";
390  case DW_OP_reg11:                      return "DW_OP_reg11";
391  case DW_OP_reg12:                      return "DW_OP_reg12";
392  case DW_OP_reg13:                      return "DW_OP_reg13";
393  case DW_OP_reg14:                      return "DW_OP_reg14";
394  case DW_OP_reg15:                      return "DW_OP_reg15";
395  case DW_OP_reg16:                      return "DW_OP_reg16";
396  case DW_OP_reg17:                      return "DW_OP_reg17";
397  case DW_OP_reg18:                      return "DW_OP_reg18";
398  case DW_OP_reg19:                      return "DW_OP_reg19";
399  case DW_OP_reg20:                      return "DW_OP_reg20";
400  case DW_OP_reg21:                      return "DW_OP_reg21";
401  case DW_OP_reg22:                      return "DW_OP_reg22";
402  case DW_OP_reg23:                      return "DW_OP_reg23";
403  case DW_OP_reg24:                      return "DW_OP_reg24";
404  case DW_OP_reg25:                      return "DW_OP_reg25";
405  case DW_OP_reg26:                      return "DW_OP_reg26";
406  case DW_OP_reg27:                      return "DW_OP_reg27";
407  case DW_OP_reg28:                      return "DW_OP_reg28";
408  case DW_OP_reg29:                      return "DW_OP_reg29";
409  case DW_OP_reg30:                      return "DW_OP_reg30";
410  case DW_OP_reg31:                      return "DW_OP_reg31";
411  case DW_OP_breg0:                      return "DW_OP_breg0";
412  case DW_OP_breg1:                      return "DW_OP_breg1";
413  case DW_OP_breg2:                      return "DW_OP_breg2";
414  case DW_OP_breg3:                      return "DW_OP_breg3";
415  case DW_OP_breg4:                      return "DW_OP_breg4";
416  case DW_OP_breg5:                      return "DW_OP_breg5";
417  case DW_OP_breg6:                      return "DW_OP_breg6";
418  case DW_OP_breg7:                      return "DW_OP_breg7";
419  case DW_OP_breg8:                      return "DW_OP_breg8";
420  case DW_OP_breg9:                      return "DW_OP_breg9";
421  case DW_OP_breg10:                     return "DW_OP_breg10";
422  case DW_OP_breg11:                     return "DW_OP_breg11";
423  case DW_OP_breg12:                     return "DW_OP_breg12";
424  case DW_OP_breg13:                     return "DW_OP_breg13";
425  case DW_OP_breg14:                     return "DW_OP_breg14";
426  case DW_OP_breg15:                     return "DW_OP_breg15";
427  case DW_OP_breg16:                     return "DW_OP_breg16";
428  case DW_OP_breg17:                     return "DW_OP_breg17";
429  case DW_OP_breg18:                     return "DW_OP_breg18";
430  case DW_OP_breg19:                     return "DW_OP_breg19";
431  case DW_OP_breg20:                     return "DW_OP_breg20";
432  case DW_OP_breg21:                     return "DW_OP_breg21";
433  case DW_OP_breg22:                     return "DW_OP_breg22";
434  case DW_OP_breg23:                     return "DW_OP_breg23";
435  case DW_OP_breg24:                     return "DW_OP_breg24";
436  case DW_OP_breg25:                     return "DW_OP_breg25";
437  case DW_OP_breg26:                     return "DW_OP_breg26";
438  case DW_OP_breg27:                     return "DW_OP_breg27";
439  case DW_OP_breg28:                     return "DW_OP_breg28";
440  case DW_OP_breg29:                     return "DW_OP_breg29";
441  case DW_OP_breg30:                     return "DW_OP_breg30";
442  case DW_OP_breg31:                     return "DW_OP_breg31";
443  case DW_OP_regx:                       return "DW_OP_regx";
444  case DW_OP_fbreg:                      return "DW_OP_fbreg";
445  case DW_OP_bregx:                      return "DW_OP_bregx";
446  case DW_OP_piece:                      return "DW_OP_piece";
447  case DW_OP_deref_size:                 return "DW_OP_deref_size";
448  case DW_OP_xderef_size:                return "DW_OP_xderef_size";
449  case DW_OP_nop:                        return "DW_OP_nop";
450  case DW_OP_push_object_address:        return "DW_OP_push_object_address";
451  case DW_OP_call2:                      return "DW_OP_call2";
452  case DW_OP_call4:                      return "DW_OP_call4";
453  case DW_OP_call_ref:                   return "DW_OP_call_ref";
454  case DW_OP_form_tls_address:           return "DW_OP_form_tls_address";
455  case DW_OP_call_frame_cfa:             return "DW_OP_call_frame_cfa";
456  case DW_OP_bit_piece:                  return "DW_OP_bit_piece";
457  case DW_OP_implicit_value:             return "DW_OP_implicit_value";
458  case DW_OP_stack_value:                return "DW_OP_stack_value";
459
460  // GNU thread-local storage
461  case DW_OP_GNU_push_tls_address:       return "DW_OP_GNU_push_tls_address";
462
463  // DWARF5 Fission Proposal Op Extensions
464  case DW_OP_GNU_addr_index:             return "DW_OP_GNU_addr_index";
465  case DW_OP_GNU_const_index:            return "DW_OP_GNU_const_index";
466  }
467  return 0;
468}
469
470/// AttributeEncodingString - Return the string for the specified attribute
471/// encoding.
472const char *llvm::dwarf::AttributeEncodingString(unsigned Encoding) {
473  switch (Encoding) {
474  case DW_ATE_address:                   return "DW_ATE_address";
475  case DW_ATE_boolean:                   return "DW_ATE_boolean";
476  case DW_ATE_complex_float:             return "DW_ATE_complex_float";
477  case DW_ATE_float:                     return "DW_ATE_float";
478  case DW_ATE_signed:                    return "DW_ATE_signed";
479  case DW_ATE_signed_char:               return "DW_ATE_signed_char";
480  case DW_ATE_unsigned:                  return "DW_ATE_unsigned";
481  case DW_ATE_unsigned_char:             return "DW_ATE_unsigned_char";
482  case DW_ATE_imaginary_float:           return "DW_ATE_imaginary_float";
483  case DW_ATE_UTF:                       return "DW_ATE_UTF";
484  case DW_ATE_packed_decimal:            return "DW_ATE_packed_decimal";
485  case DW_ATE_numeric_string:            return "DW_ATE_numeric_string";
486  case DW_ATE_edited:                    return "DW_ATE_edited";
487  case DW_ATE_signed_fixed:              return "DW_ATE_signed_fixed";
488  case DW_ATE_unsigned_fixed:            return "DW_ATE_unsigned_fixed";
489  case DW_ATE_decimal_float:             return "DW_ATE_decimal_float";
490  case DW_ATE_lo_user:                   return "DW_ATE_lo_user";
491  case DW_ATE_hi_user:                   return "DW_ATE_hi_user";
492  }
493  return 0;
494}
495
496/// DecimalSignString - Return the string for the specified decimal sign
497/// attribute.
498const char *llvm::dwarf::DecimalSignString(unsigned Sign) {
499  switch (Sign) {
500  case DW_DS_unsigned:                   return "DW_DS_unsigned";
501  case DW_DS_leading_overpunch:          return "DW_DS_leading_overpunch";
502  case DW_DS_trailing_overpunch:         return "DW_DS_trailing_overpunch";
503  case DW_DS_leading_separate:           return "DW_DS_leading_separate";
504  case DW_DS_trailing_separate:          return "DW_DS_trailing_separate";
505  }
506  return 0;
507}
508
509/// EndianityString - Return the string for the specified endianity.
510///
511const char *llvm::dwarf::EndianityString(unsigned Endian) {
512  switch (Endian) {
513  case DW_END_default:                   return "DW_END_default";
514  case DW_END_big:                       return "DW_END_big";
515  case DW_END_little:                    return "DW_END_little";
516  case DW_END_lo_user:                   return "DW_END_lo_user";
517  case DW_END_hi_user:                   return "DW_END_hi_user";
518  }
519  return 0;
520}
521
522/// AccessibilityString - Return the string for the specified accessibility.
523///
524const char *llvm::dwarf::AccessibilityString(unsigned Access) {
525  switch (Access) {
526  // Accessibility codes
527  case DW_ACCESS_public:                 return "DW_ACCESS_public";
528  case DW_ACCESS_protected:              return "DW_ACCESS_protected";
529  case DW_ACCESS_private:                return "DW_ACCESS_private";
530  }
531  return 0;
532}
533
534/// VisibilityString - Return the string for the specified visibility.
535///
536const char *llvm::dwarf::VisibilityString(unsigned Visibility) {
537  switch (Visibility) {
538  case DW_VIS_local:                     return "DW_VIS_local";
539  case DW_VIS_exported:                  return "DW_VIS_exported";
540  case DW_VIS_qualified:                 return "DW_VIS_qualified";
541  }
542  return 0;
543}
544
545/// VirtualityString - Return the string for the specified virtuality.
546///
547const char *llvm::dwarf::VirtualityString(unsigned Virtuality) {
548  switch (Virtuality) {
549  case DW_VIRTUALITY_none:               return "DW_VIRTUALITY_none";
550  case DW_VIRTUALITY_virtual:            return "DW_VIRTUALITY_virtual";
551  case DW_VIRTUALITY_pure_virtual:       return "DW_VIRTUALITY_pure_virtual";
552  }
553  return 0;
554}
555
556/// LanguageString - Return the string for the specified language.
557///
558const char *llvm::dwarf::LanguageString(unsigned Language) {
559  switch (Language) {
560  case DW_LANG_C89:                      return "DW_LANG_C89";
561  case DW_LANG_C:                        return "DW_LANG_C";
562  case DW_LANG_Ada83:                    return "DW_LANG_Ada83";
563  case DW_LANG_C_plus_plus:              return "DW_LANG_C_plus_plus";
564  case DW_LANG_Cobol74:                  return "DW_LANG_Cobol74";
565  case DW_LANG_Cobol85:                  return "DW_LANG_Cobol85";
566  case DW_LANG_Fortran77:                return "DW_LANG_Fortran77";
567  case DW_LANG_Fortran90:                return "DW_LANG_Fortran90";
568  case DW_LANG_Pascal83:                 return "DW_LANG_Pascal83";
569  case DW_LANG_Modula2:                  return "DW_LANG_Modula2";
570  case DW_LANG_Java:                     return "DW_LANG_Java";
571  case DW_LANG_C99:                      return "DW_LANG_C99";
572  case DW_LANG_Ada95:                    return "DW_LANG_Ada95";
573  case DW_LANG_Fortran95:                return "DW_LANG_Fortran95";
574  case DW_LANG_PLI:                      return "DW_LANG_PLI";
575  case DW_LANG_ObjC:                     return "DW_LANG_ObjC";
576  case DW_LANG_ObjC_plus_plus:           return "DW_LANG_ObjC_plus_plus";
577  case DW_LANG_UPC:                      return "DW_LANG_UPC";
578  case DW_LANG_D:                        return "DW_LANG_D";
579  case DW_LANG_lo_user:                  return "DW_LANG_lo_user";
580  case DW_LANG_hi_user:                  return "DW_LANG_hi_user";
581  }
582  return 0;
583}
584
585/// CaseString - Return the string for the specified identifier case.
586///
587const char *llvm::dwarf::CaseString(unsigned Case) {
588  switch (Case) {
589  case DW_ID_case_sensitive:             return "DW_ID_case_sensitive";
590  case DW_ID_up_case:                    return "DW_ID_up_case";
591  case DW_ID_down_case:                  return "DW_ID_down_case";
592  case DW_ID_case_insensitive:           return "DW_ID_case_insensitive";
593  }
594  return 0;
595}
596
597/// ConventionString - Return the string for the specified calling convention.
598///
599const char *llvm::dwarf::ConventionString(unsigned Convention) {
600   switch (Convention) {
601   case DW_CC_normal:                     return "DW_CC_normal";
602   case DW_CC_program:                    return "DW_CC_program";
603   case DW_CC_nocall:                     return "DW_CC_nocall";
604   case DW_CC_lo_user:                    return "DW_CC_lo_user";
605   case DW_CC_hi_user:                    return "DW_CC_hi_user";
606  }
607  return 0;
608}
609
610/// InlineCodeString - Return the string for the specified inline code.
611///
612const char *llvm::dwarf::InlineCodeString(unsigned Code) {
613  switch (Code) {
614  case DW_INL_not_inlined:               return "DW_INL_not_inlined";
615  case DW_INL_inlined:                   return "DW_INL_inlined";
616  case DW_INL_declared_not_inlined:      return "DW_INL_declared_not_inlined";
617  case DW_INL_declared_inlined:          return "DW_INL_declared_inlined";
618  }
619  return 0;
620}
621
622/// ArrayOrderString - Return the string for the specified array order.
623///
624const char *llvm::dwarf::ArrayOrderString(unsigned Order) {
625  switch (Order) {
626  case DW_ORD_row_major:                 return "DW_ORD_row_major";
627  case DW_ORD_col_major:                 return "DW_ORD_col_major";
628  }
629  return 0;
630}
631
632/// DiscriminantString - Return the string for the specified discriminant
633/// descriptor.
634const char *llvm::dwarf::DiscriminantString(unsigned Discriminant) {
635  switch (Discriminant) {
636  case DW_DSC_label:                     return "DW_DSC_label";
637  case DW_DSC_range:                     return "DW_DSC_range";
638  }
639  return 0;
640}
641
642/// LNStandardString - Return the string for the specified line number standard.
643///
644const char *llvm::dwarf::LNStandardString(unsigned Standard) {
645  switch (Standard) {
646  case DW_LNS_copy:                      return "DW_LNS_copy";
647  case DW_LNS_advance_pc:                return "DW_LNS_advance_pc";
648  case DW_LNS_advance_line:              return "DW_LNS_advance_line";
649  case DW_LNS_set_file:                  return "DW_LNS_set_file";
650  case DW_LNS_set_column:                return "DW_LNS_set_column";
651  case DW_LNS_negate_stmt:               return "DW_LNS_negate_stmt";
652  case DW_LNS_set_basic_block:           return "DW_LNS_set_basic_block";
653  case DW_LNS_const_add_pc:              return "DW_LNS_const_add_pc";
654  case DW_LNS_fixed_advance_pc:          return "DW_LNS_fixed_advance_pc";
655  case DW_LNS_set_prologue_end:          return "DW_LNS_set_prologue_end";
656  case DW_LNS_set_epilogue_begin:        return "DW_LNS_set_epilogue_begin";
657  case DW_LNS_set_isa:                   return "DW_LNS_set_isa";
658  }
659  return 0;
660}
661
662/// LNExtendedString - Return the string for the specified line number extended
663/// opcode encodings.
664const char *llvm::dwarf::LNExtendedString(unsigned Encoding) {
665  switch (Encoding) {
666  // Line Number Extended Opcode Encodings
667  case DW_LNE_end_sequence:              return "DW_LNE_end_sequence";
668  case DW_LNE_set_address:               return "DW_LNE_set_address";
669  case DW_LNE_define_file:               return "DW_LNE_define_file";
670  case DW_LNE_set_discriminator:         return "DW_LNE_set_discriminator";
671  case DW_LNE_lo_user:                   return "DW_LNE_lo_user";
672  case DW_LNE_hi_user:                   return "DW_LNE_hi_user";
673  }
674  return 0;
675}
676
677/// MacinfoString - Return the string for the specified macinfo type encodings.
678///
679const char *llvm::dwarf::MacinfoString(unsigned Encoding) {
680  switch (Encoding) {
681  // Macinfo Type Encodings
682  case DW_MACINFO_define:                return "DW_MACINFO_define";
683  case DW_MACINFO_undef:                 return "DW_MACINFO_undef";
684  case DW_MACINFO_start_file:            return "DW_MACINFO_start_file";
685  case DW_MACINFO_end_file:              return "DW_MACINFO_end_file";
686  case DW_MACINFO_vendor_ext:            return "DW_MACINFO_vendor_ext";
687  }
688  return 0;
689}
690
691/// CallFrameString - Return the string for the specified call frame instruction
692/// encodings.
693const char *llvm::dwarf::CallFrameString(unsigned Encoding) {
694  switch (Encoding) {
695  case DW_CFA_nop:                       return "DW_CFA_nop";
696  case DW_CFA_advance_loc:               return "DW_CFA_advance_loc";
697  case DW_CFA_offset:                    return "DW_CFA_offset";
698  case DW_CFA_restore:                   return "DW_CFA_restore";
699  case DW_CFA_set_loc:                   return "DW_CFA_set_loc";
700  case DW_CFA_advance_loc1:              return "DW_CFA_advance_loc1";
701  case DW_CFA_advance_loc2:              return "DW_CFA_advance_loc2";
702  case DW_CFA_advance_loc4:              return "DW_CFA_advance_loc4";
703  case DW_CFA_offset_extended:           return "DW_CFA_offset_extended";
704  case DW_CFA_restore_extended:          return "DW_CFA_restore_extended";
705  case DW_CFA_undefined:                 return "DW_CFA_undefined";
706  case DW_CFA_same_value:                return "DW_CFA_same_value";
707  case DW_CFA_register:                  return "DW_CFA_register";
708  case DW_CFA_remember_state:            return "DW_CFA_remember_state";
709  case DW_CFA_restore_state:             return "DW_CFA_restore_state";
710  case DW_CFA_def_cfa:                   return "DW_CFA_def_cfa";
711  case DW_CFA_def_cfa_register:          return "DW_CFA_def_cfa_register";
712  case DW_CFA_def_cfa_offset:            return "DW_CFA_def_cfa_offset";
713  case DW_CFA_def_cfa_expression:        return "DW_CFA_def_cfa_expression";
714  case DW_CFA_expression:                return "DW_CFA_expression";
715  case DW_CFA_offset_extended_sf:        return "DW_CFA_offset_extended_sf";
716  case DW_CFA_def_cfa_sf:                return "DW_CFA_def_cfa_sf";
717  case DW_CFA_def_cfa_offset_sf:         return "DW_CFA_def_cfa_offset_sf";
718  case DW_CFA_val_offset:                return "DW_CFA_val_offset";
719  case DW_CFA_val_offset_sf:             return "DW_CFA_val_offset_sf";
720  case DW_CFA_val_expression:            return "DW_CFA_val_expression";
721  case DW_CFA_MIPS_advance_loc8:         return "DW_CFA_MIPS_advance_loc8";
722  case DW_CFA_GNU_window_save:           return "DW_CFA_GNU_window_save";
723  case DW_CFA_GNU_args_size:             return "DW_CFA_GNU_args_size";
724  case DW_CFA_lo_user:                   return "DW_CFA_lo_user";
725  case DW_CFA_hi_user:                   return "DW_CFA_hi_user";
726  }
727  return 0;
728}
729
730const char *llvm::dwarf::AtomTypeString(unsigned AT) {
731  switch (AT) {
732  case dwarf::DW_ATOM_null:
733    return "DW_ATOM_null";
734  case dwarf::DW_ATOM_die_offset:
735    return "DW_ATOM_die_offset";
736  case DW_ATOM_cu_offset:
737    return "DW_ATOM_cu_offset";
738  case DW_ATOM_die_tag:
739    return "DW_ATOM_die_tag";
740  case DW_ATOM_type_flags:
741    return "DW_ATOM_type_flags";
742  }
743  return 0;
744}
745
746const char *llvm::dwarf::GDBIndexEntryKindString(GDBIndexEntryKind Kind) {
747  switch (Kind) {
748  case GIEK_NONE:
749    return "NONE";
750  case GIEK_TYPE:
751    return "TYPE";
752  case GIEK_VARIABLE:
753    return "VARIABLE";
754  case GIEK_FUNCTION:
755    return "FUNCTION";
756  case GIEK_OTHER:
757    return "OTHER";
758  case GIEK_UNUSED5:
759    return "UNUSED5";
760  case GIEK_UNUSED6:
761    return "UNUSED6";
762  case GIEK_UNUSED7:
763    return "UNUSED7";
764  }
765  llvm_unreachable("Unknown GDBIndexEntryKind value");
766}
767
768const char *llvm::dwarf::GDBIndexEntryLinkageString(GDBIndexEntryLinkage Linkage) {
769  switch (Linkage) {
770  case GIEL_EXTERNAL:
771    return "EXTERNAL";
772  case GIEL_STATIC:
773    return "STATIC";
774  }
775  llvm_unreachable("Unknown GDBIndexEntryLinkage value");
776}
777