Dwarf.cpp revision 4ee451de366474b9c228b4e5fa573795a715216d
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/System/IncludeFile.h"
16
17#include <cassert>
18
19namespace llvm {
20
21namespace dwarf {
22
23/// TagString - Return the string for the specified tag.
24///
25const char *TagString(unsigned Tag) {
26  switch(Tag) {
27    case DW_TAG_array_type:                return "TAG_array_type";
28    case DW_TAG_class_type:                return "TAG_class_type";
29    case DW_TAG_entry_point:               return "TAG_entry_point";
30    case DW_TAG_enumeration_type:          return "TAG_enumeration_type";
31    case DW_TAG_formal_parameter:          return "TAG_formal_parameter";
32    case DW_TAG_imported_declaration:      return "TAG_imported_declaration";
33    case DW_TAG_label:                     return "TAG_label";
34    case DW_TAG_lexical_block:             return "TAG_lexical_block";
35    case DW_TAG_member:                    return "TAG_member";
36    case DW_TAG_pointer_type:              return "TAG_pointer_type";
37    case DW_TAG_reference_type:            return "TAG_reference_type";
38    case DW_TAG_compile_unit:              return "TAG_compile_unit";
39    case DW_TAG_string_type:               return "TAG_string_type";
40    case DW_TAG_structure_type:            return "TAG_structure_type";
41    case DW_TAG_subroutine_type:           return "TAG_subroutine_type";
42    case DW_TAG_typedef:                   return "TAG_typedef";
43    case DW_TAG_union_type:                return "TAG_union_type";
44    case DW_TAG_unspecified_parameters:    return "TAG_unspecified_parameters";
45    case DW_TAG_variant:                   return "TAG_variant";
46    case DW_TAG_common_block:              return "TAG_common_block";
47    case DW_TAG_common_inclusion:          return "TAG_common_inclusion";
48    case DW_TAG_inheritance:               return "TAG_inheritance";
49    case DW_TAG_inlined_subroutine:        return "TAG_inlined_subroutine";
50    case DW_TAG_module:                    return "TAG_module";
51    case DW_TAG_ptr_to_member_type:        return "TAG_ptr_to_member_type";
52    case DW_TAG_set_type:                  return "TAG_set_type";
53    case DW_TAG_subrange_type:             return "TAG_subrange_type";
54    case DW_TAG_with_stmt:                 return "TAG_with_stmt";
55    case DW_TAG_access_declaration:        return "TAG_access_declaration";
56    case DW_TAG_base_type:                 return "TAG_base_type";
57    case DW_TAG_catch_block:               return "TAG_catch_block";
58    case DW_TAG_const_type:                return "TAG_const_type";
59    case DW_TAG_constant:                  return "TAG_constant";
60    case DW_TAG_enumerator:                return "TAG_enumerator";
61    case DW_TAG_file_type:                 return "TAG_file_type";
62    case DW_TAG_friend:                    return "TAG_friend";
63    case DW_TAG_namelist:                  return "TAG_namelist";
64    case DW_TAG_namelist_item:             return "TAG_namelist_item";
65    case DW_TAG_packed_type:               return "TAG_packed_type";
66    case DW_TAG_subprogram:                return "TAG_subprogram";
67    case DW_TAG_template_type_parameter:   return "TAG_template_type_parameter";
68    case DW_TAG_template_value_parameter: return "TAG_template_value_parameter";
69    case DW_TAG_thrown_type:               return "TAG_thrown_type";
70    case DW_TAG_try_block:                 return "TAG_try_block";
71    case DW_TAG_variant_part:              return "TAG_variant_part";
72    case DW_TAG_variable:                  return "TAG_variable";
73    case DW_TAG_volatile_type:             return "TAG_volatile_type";
74    case DW_TAG_dwarf_procedure:           return "TAG_dwarf_procedure";
75    case DW_TAG_restrict_type:             return "TAG_restrict_type";
76    case DW_TAG_interface_type:            return "TAG_interface_type";
77    case DW_TAG_namespace:                 return "TAG_namespace";
78    case DW_TAG_imported_module:           return "TAG_imported_module";
79    case DW_TAG_unspecified_type:          return "TAG_unspecified_type";
80    case DW_TAG_partial_unit:              return "TAG_partial_unit";
81    case DW_TAG_imported_unit:             return "TAG_imported_unit";
82    case DW_TAG_condition:                 return "TAG_condition";
83    case DW_TAG_shared_type:               return "TAG_shared_type";
84    case DW_TAG_lo_user:                   return "TAG_lo_user";
85    case DW_TAG_hi_user:                   return "TAG_hi_user";
86  }
87  assert(0 && "Unknown Dwarf Tag");
88  return "";
89}
90
91/// ChildrenString - Return the string for the specified children flag.
92///
93const char *ChildrenString(unsigned Children) {
94  switch(Children) {
95    case DW_CHILDREN_no:                   return "CHILDREN_no";
96    case DW_CHILDREN_yes:                  return "CHILDREN_yes";
97  }
98  assert(0 && "Unknown Dwarf ChildrenFlag");
99  return "";
100}
101
102/// AttributeString - Return the string for the specified attribute.
103///
104const char *AttributeString(unsigned Attribute) {
105  switch(Attribute) {
106    case DW_AT_sibling:                    return "AT_sibling";
107    case DW_AT_location:                   return "AT_location";
108    case DW_AT_name:                       return "AT_name";
109    case DW_AT_ordering:                   return "AT_ordering";
110    case DW_AT_byte_size:                  return "AT_byte_size";
111    case DW_AT_bit_offset:                 return "AT_bit_offset";
112    case DW_AT_bit_size:                   return "AT_bit_size";
113    case DW_AT_stmt_list:                  return "AT_stmt_list";
114    case DW_AT_low_pc:                     return "AT_low_pc";
115    case DW_AT_high_pc:                    return "AT_high_pc";
116    case DW_AT_language:                   return "AT_language";
117    case DW_AT_discr:                      return "AT_discr";
118    case DW_AT_discr_value:                return "AT_discr_value";
119    case DW_AT_visibility:                 return "AT_visibility";
120    case DW_AT_import:                     return "AT_import";
121    case DW_AT_string_length:              return "AT_string_length";
122    case DW_AT_common_reference:           return "AT_common_reference";
123    case DW_AT_comp_dir:                   return "AT_comp_dir";
124    case DW_AT_const_value:                return "AT_const_value";
125    case DW_AT_containing_type:            return "AT_containing_type";
126    case DW_AT_default_value:              return "AT_default_value";
127    case DW_AT_inline:                     return "AT_inline";
128    case DW_AT_is_optional:                return "AT_is_optional";
129    case DW_AT_lower_bound:                return "AT_lower_bound";
130    case DW_AT_producer:                   return "AT_producer";
131    case DW_AT_prototyped:                 return "AT_prototyped";
132    case DW_AT_return_addr:                return "AT_return_addr";
133    case DW_AT_start_scope:                return "AT_start_scope";
134    case DW_AT_bit_stride:                 return "AT_bit_stride";
135    case DW_AT_upper_bound:                return "AT_upper_bound";
136    case DW_AT_abstract_origin:            return "AT_abstract_origin";
137    case DW_AT_accessibility:              return "AT_accessibility";
138    case DW_AT_address_class:              return "AT_address_class";
139    case DW_AT_artificial:                 return "AT_artificial";
140    case DW_AT_base_types:                 return "AT_base_types";
141    case DW_AT_calling_convention:         return "AT_calling_convention";
142    case DW_AT_count:                      return "AT_count";
143    case DW_AT_data_member_location:       return "AT_data_member_location";
144    case DW_AT_decl_column:                return "AT_decl_column";
145    case DW_AT_decl_file:                  return "AT_decl_file";
146    case DW_AT_decl_line:                  return "AT_decl_line";
147    case DW_AT_declaration:                return "AT_declaration";
148    case DW_AT_discr_list:                 return "AT_discr_list";
149    case DW_AT_encoding:                   return "AT_encoding";
150    case DW_AT_external:                   return "AT_external";
151    case DW_AT_frame_base:                 return "AT_frame_base";
152    case DW_AT_friend:                     return "AT_friend";
153    case DW_AT_identifier_case:            return "AT_identifier_case";
154    case DW_AT_macro_info:                 return "AT_macro_info";
155    case DW_AT_namelist_item:              return "AT_namelist_item";
156    case DW_AT_priority:                   return "AT_priority";
157    case DW_AT_segment:                    return "AT_segment";
158    case DW_AT_specification:              return "AT_specification";
159    case DW_AT_static_link:                return "AT_static_link";
160    case DW_AT_type:                       return "AT_type";
161    case DW_AT_use_location:               return "AT_use_location";
162    case DW_AT_variable_parameter:         return "AT_variable_parameter";
163    case DW_AT_virtuality:                 return "AT_virtuality";
164    case DW_AT_vtable_elem_location:       return "AT_vtable_elem_location";
165    case DW_AT_allocated:                  return "AT_allocated";
166    case DW_AT_associated:                 return "AT_associated";
167    case DW_AT_data_location:              return "AT_data_location";
168    case DW_AT_byte_stride:                return "AT_byte_stride";
169    case DW_AT_entry_pc:                   return "AT_entry_pc";
170    case DW_AT_use_UTF8:                   return "AT_use_UTF8";
171    case DW_AT_extension:                  return "AT_extension";
172    case DW_AT_ranges:                     return "AT_ranges";
173    case DW_AT_trampoline:                 return "AT_trampoline";
174    case DW_AT_call_column:                return "AT_call_column";
175    case DW_AT_call_file:                  return "AT_call_file";
176    case DW_AT_call_line:                  return "AT_call_line";
177    case DW_AT_description:                return "AT_description";
178    case DW_AT_binary_scale:               return "AT_binary_scale";
179    case DW_AT_decimal_scale:              return "AT_decimal_scale";
180    case DW_AT_small:                      return "AT_small";
181    case DW_AT_decimal_sign:               return "AT_decimal_sign";
182    case DW_AT_digit_count:                return "AT_digit_count";
183    case DW_AT_picture_string:             return "AT_picture_string";
184    case DW_AT_mutable:                    return "AT_mutable";
185    case DW_AT_threads_scaled:             return "AT_threads_scaled";
186    case DW_AT_explicit:                   return "AT_explicit";
187    case DW_AT_object_pointer:             return "AT_object_pointer";
188    case DW_AT_endianity:                  return "AT_endianity";
189    case DW_AT_elemental:                  return "AT_elemental";
190    case DW_AT_pure:                       return "AT_pure";
191    case DW_AT_recursive:                  return "AT_recursive";
192    case DW_AT_MIPS_linkage_name:          return "AT_MIPS_linkage_name";
193    case DW_AT_sf_names:                   return "AT_sf_names";
194    case DW_AT_src_info:                   return "AT_src_info";
195    case DW_AT_mac_info:                   return "AT_mac_info";
196    case DW_AT_src_coords:                 return "AT_src_coords";
197    case DW_AT_body_begin:                 return "AT_body_begin";
198    case DW_AT_body_end:                   return "AT_body_end";
199    case DW_AT_GNU_vector:                 return "AT_GNU_vector";
200    case DW_AT_lo_user:                    return "AT_lo_user";
201    case DW_AT_hi_user:                    return "AT_hi_user";
202  }
203  assert(0 && "Unknown Dwarf Attribute");
204  return "";
205}
206
207/// FormEncodingString - Return the string for the specified form encoding.
208///
209const char *FormEncodingString(unsigned Encoding) {
210  switch(Encoding) {
211    case DW_FORM_addr:                     return "FORM_addr";
212    case DW_FORM_block2:                   return "FORM_block2";
213    case DW_FORM_block4:                   return "FORM_block4";
214    case DW_FORM_data2:                    return "FORM_data2";
215    case DW_FORM_data4:                    return "FORM_data4";
216    case DW_FORM_data8:                    return "FORM_data8";
217    case DW_FORM_string:                   return "FORM_string";
218    case DW_FORM_block:                    return "FORM_block";
219    case DW_FORM_block1:                   return "FORM_block1";
220    case DW_FORM_data1:                    return "FORM_data1";
221    case DW_FORM_flag:                     return "FORM_flag";
222    case DW_FORM_sdata:                    return "FORM_sdata";
223    case DW_FORM_strp:                     return "FORM_strp";
224    case DW_FORM_udata:                    return "FORM_udata";
225    case DW_FORM_ref_addr:                 return "FORM_ref_addr";
226    case DW_FORM_ref1:                     return "FORM_ref1";
227    case DW_FORM_ref2:                     return "FORM_ref2";
228    case DW_FORM_ref4:                     return "FORM_ref4";
229    case DW_FORM_ref8:                     return "FORM_ref8";
230    case DW_FORM_ref_udata:                return "FORM_ref_udata";
231    case DW_FORM_indirect:                 return "FORM_indirect";
232  }
233  assert(0 && "Unknown Dwarf Form Encoding");
234  return "";
235}
236
237/// OperationEncodingString - Return the string for the specified operation
238/// encoding.
239const char *OperationEncodingString(unsigned Encoding) {
240  switch(Encoding) {
241    case DW_OP_addr:                       return "OP_addr";
242    case DW_OP_deref:                      return "OP_deref";
243    case DW_OP_const1u:                    return "OP_const1u";
244    case DW_OP_const1s:                    return "OP_const1s";
245    case DW_OP_const2u:                    return "OP_const2u";
246    case DW_OP_const2s:                    return "OP_const2s";
247    case DW_OP_const4u:                    return "OP_const4u";
248    case DW_OP_const4s:                    return "OP_const4s";
249    case DW_OP_const8u:                    return "OP_const8u";
250    case DW_OP_const8s:                    return "OP_const8s";
251    case DW_OP_constu:                     return "OP_constu";
252    case DW_OP_consts:                     return "OP_consts";
253    case DW_OP_dup:                        return "OP_dup";
254    case DW_OP_drop:                       return "OP_drop";
255    case DW_OP_over:                       return "OP_over";
256    case DW_OP_pick:                       return "OP_pick";
257    case DW_OP_swap:                       return "OP_swap";
258    case DW_OP_rot:                        return "OP_rot";
259    case DW_OP_xderef:                     return "OP_xderef";
260    case DW_OP_abs:                        return "OP_abs";
261    case DW_OP_and:                        return "OP_and";
262    case DW_OP_div:                        return "OP_div";
263    case DW_OP_minus:                      return "OP_minus";
264    case DW_OP_mod:                        return "OP_mod";
265    case DW_OP_mul:                        return "OP_mul";
266    case DW_OP_neg:                        return "OP_neg";
267    case DW_OP_not:                        return "OP_not";
268    case DW_OP_or:                         return "OP_or";
269    case DW_OP_plus:                       return "OP_plus";
270    case DW_OP_plus_uconst:                return "OP_plus_uconst";
271    case DW_OP_shl:                        return "OP_shl";
272    case DW_OP_shr:                        return "OP_shr";
273    case DW_OP_shra:                       return "OP_shra";
274    case DW_OP_xor:                        return "OP_xor";
275    case DW_OP_skip:                       return "OP_skip";
276    case DW_OP_bra:                        return "OP_bra";
277    case DW_OP_eq:                         return "OP_eq";
278    case DW_OP_ge:                         return "OP_ge";
279    case DW_OP_gt:                         return "OP_gt";
280    case DW_OP_le:                         return "OP_le";
281    case DW_OP_lt:                         return "OP_lt";
282    case DW_OP_ne:                         return "OP_ne";
283    case DW_OP_lit0:                       return "OP_lit0";
284    case DW_OP_lit1:                       return "OP_lit1";
285    case DW_OP_lit31:                      return "OP_lit31";
286    case DW_OP_reg0:                       return "OP_reg0";
287    case DW_OP_reg1:                       return "OP_reg1";
288    case DW_OP_reg31:                      return "OP_reg31";
289    case DW_OP_breg0:                      return "OP_breg0";
290    case DW_OP_breg1:                      return "OP_breg1";
291    case DW_OP_breg31:                     return "OP_breg31";
292    case DW_OP_regx:                       return "OP_regx";
293    case DW_OP_fbreg:                      return "OP_fbreg";
294    case DW_OP_bregx:                      return "OP_bregx";
295    case DW_OP_piece:                      return "OP_piece";
296    case DW_OP_deref_size:                 return "OP_deref_size";
297    case DW_OP_xderef_size:                return "OP_xderef_size";
298    case DW_OP_nop:                        return "OP_nop";
299    case DW_OP_push_object_address:        return "OP_push_object_address";
300    case DW_OP_call2:                      return "OP_call2";
301    case DW_OP_call4:                      return "OP_call4";
302    case DW_OP_call_ref:                   return "OP_call_ref";
303    case DW_OP_form_tls_address:           return "OP_form_tls_address";
304    case DW_OP_call_frame_cfa:             return "OP_call_frame_cfa";
305    case DW_OP_lo_user:                    return "OP_lo_user";
306    case DW_OP_hi_user:                    return "OP_hi_user";
307  }
308  assert(0 && "Unknown Dwarf Operation Encoding");
309  return "";
310}
311
312/// AttributeEncodingString - Return the string for the specified attribute
313/// encoding.
314const char *AttributeEncodingString(unsigned Encoding) {
315  switch(Encoding) {
316    case DW_ATE_address:                   return "ATE_address";
317    case DW_ATE_boolean:                   return "ATE_boolean";
318    case DW_ATE_complex_float:             return "ATE_complex_float";
319    case DW_ATE_float:                     return "ATE_float";
320    case DW_ATE_signed:                    return "ATE_signed";
321    case DW_ATE_signed_char:               return "ATE_signed_char";
322    case DW_ATE_unsigned:                  return "ATE_unsigned";
323    case DW_ATE_unsigned_char:             return "ATE_unsigned_char";
324    case DW_ATE_imaginary_float:           return "ATE_imaginary_float";
325    case DW_ATE_packed_decimal:            return "ATE_packed_decimal";
326    case DW_ATE_numeric_string:            return "ATE_numeric_string";
327    case DW_ATE_edited:                    return "ATE_edited";
328    case DW_ATE_signed_fixed:              return "ATE_signed_fixed";
329    case DW_ATE_unsigned_fixed:            return "ATE_unsigned_fixed";
330    case DW_ATE_decimal_float:             return "ATE_decimal_float";
331    case DW_ATE_lo_user:                   return "ATE_lo_user";
332    case DW_ATE_hi_user:                   return "ATE_hi_user";
333  }
334  assert(0 && "Unknown Dwarf Attribute Encoding");
335  return "";
336}
337
338/// DecimalSignString - Return the string for the specified decimal sign
339/// attribute.
340const char *DecimalSignString(unsigned Sign) {
341  switch(Sign) {
342    case DW_DS_unsigned:                   return "DS_unsigned";
343    case DW_DS_leading_overpunch:          return "DS_leading_overpunch";
344    case DW_DS_trailing_overpunch:         return "DS_trailing_overpunch";
345    case DW_DS_leading_separate:           return "DS_leading_separate";
346    case DW_DS_trailing_separate:          return "DS_trailing_separate";
347  }
348  assert(0 && "Unknown Dwarf Decimal Sign Attribute");
349  return "";
350}
351
352/// EndianityString - Return the string for the specified endianity.
353///
354const char *EndianityString(unsigned Endian) {
355  switch(Endian) {
356    case DW_END_default:                   return "END_default";
357    case DW_END_big:                       return "END_big";
358    case DW_END_little:                    return "END_little";
359    case DW_END_lo_user:                   return "END_lo_user";
360    case DW_END_hi_user:                   return "END_hi_user";
361  }
362  assert(0 && "Unknown Dwarf Endianity");
363  return "";
364}
365
366/// AccessibilityString - Return the string for the specified accessibility.
367///
368const char *AccessibilityString(unsigned Access) {
369  switch(Access) {
370    // Accessibility codes
371    case DW_ACCESS_public:                 return "ACCESS_public";
372    case DW_ACCESS_protected:              return "ACCESS_protected";
373    case DW_ACCESS_private:                return "ACCESS_private";
374  }
375  assert(0 && "Unknown Dwarf Accessibility");
376  return "";
377}
378
379/// VisibilityString - Return the string for the specified visibility.
380///
381const char *VisibilityString(unsigned Visibility) {
382  switch(Visibility) {
383    case DW_VIS_local:                     return "VIS_local";
384    case DW_VIS_exported:                  return "VIS_exported";
385    case DW_VIS_qualified:                 return "VIS_qualified";
386  }
387  assert(0 && "Unknown Dwarf Visibility");
388  return "";
389}
390
391/// VirtualityString - Return the string for the specified virtuality.
392///
393const char *VirtualityString(unsigned Virtuality) {
394  switch(Virtuality) {
395    case DW_VIRTUALITY_none:               return "VIRTUALITY_none";
396    case DW_VIRTUALITY_virtual:            return "VIRTUALITY_virtual";
397    case DW_VIRTUALITY_pure_virtual:       return "VIRTUALITY_pure_virtual";
398  }
399  assert(0 && "Unknown Dwarf Virtuality");
400  return "";
401}
402
403/// LanguageString - Return the string for the specified language.
404///
405const char *LanguageString(unsigned Language) {
406  switch(Language) {
407    case DW_LANG_C89:                      return "LANG_C89";
408    case DW_LANG_C:                        return "LANG_C";
409    case DW_LANG_Ada83:                    return "LANG_Ada83";
410    case DW_LANG_C_plus_plus:              return "LANG_C_plus_plus";
411    case DW_LANG_Cobol74:                  return "LANG_Cobol74";
412    case DW_LANG_Cobol85:                  return "LANG_Cobol85";
413    case DW_LANG_Fortran77:                return "LANG_Fortran77";
414    case DW_LANG_Fortran90:                return "LANG_Fortran90";
415    case DW_LANG_Pascal83:                 return "LANG_Pascal83";
416    case DW_LANG_Modula2:                  return "LANG_Modula2";
417    case DW_LANG_Java:                     return "LANG_Java";
418    case DW_LANG_C99:                      return "LANG_C99";
419    case DW_LANG_Ada95:                    return "LANG_Ada95";
420    case DW_LANG_Fortran95:                return "LANG_Fortran95";
421    case DW_LANG_PLI:                      return "LANG_PLI";
422    case DW_LANG_ObjC:                     return "LANG_ObjC";
423    case DW_LANG_ObjC_plus_plus:           return "LANG_ObjC_plus_plus";
424    case DW_LANG_UPC:                      return "LANG_UPC";
425    case DW_LANG_D:                        return "LANG_D";
426    case DW_LANG_lo_user:                  return "LANG_lo_user";
427    case DW_LANG_hi_user:                  return "LANG_hi_user";
428  }
429  assert(0 && "Unknown Dwarf Language");
430  return "";
431}
432
433/// CaseString - Return the string for the specified identifier case.
434///
435const char *CaseString(unsigned Case) {
436   switch(Case) {
437    case DW_ID_case_sensitive:             return "ID_case_sensitive";
438    case DW_ID_up_case:                    return "ID_up_case";
439    case DW_ID_down_case:                  return "ID_down_case";
440    case DW_ID_case_insensitive:           return "ID_case_insensitive";
441  }
442  assert(0 && "Unknown Dwarf Identifier Case");
443  return "";
444}
445
446/// ConventionString - Return the string for the specified calling convention.
447///
448const char *ConventionString(unsigned Convention) {
449   switch(Convention) {
450    case DW_CC_normal:                     return "CC_normal";
451    case DW_CC_program:                    return "CC_program";
452    case DW_CC_nocall:                     return "CC_nocall";
453    case DW_CC_lo_user:                    return "CC_lo_user";
454    case DW_CC_hi_user:                    return "CC_hi_user";
455  }
456  assert(0 && "Unknown Dwarf Calling Convention");
457  return "";
458}
459
460/// InlineCodeString - Return the string for the specified inline code.
461///
462const char *InlineCodeString(unsigned Code) {
463   switch(Code) {
464    case DW_INL_not_inlined:               return "INL_not_inlined";
465    case DW_INL_inlined:                   return "INL_inlined";
466    case DW_INL_declared_not_inlined:      return "INL_declared_not_inlined";
467    case DW_INL_declared_inlined:          return "INL_declared_inlined";
468  }
469  assert(0 && "Unknown Dwarf Inline Code");
470  return "";
471}
472
473/// ArrayOrderString - Return the string for the specified array order.
474///
475const char *ArrayOrderString(unsigned Order) {
476   switch(Order) {
477    case DW_ORD_row_major:                 return "ORD_row_major";
478    case DW_ORD_col_major:                 return "ORD_col_major";
479  }
480  assert(0 && "Unknown Dwarf Array Order");
481  return "";
482}
483
484/// DiscriminantString - Return the string for the specified discriminant
485/// descriptor.
486const char *DiscriminantString(unsigned Discriminant) {
487   switch(Discriminant) {
488    case DW_DSC_label:                     return "DSC_label";
489    case DW_DSC_range:                     return "DSC_range";
490  }
491  assert(0 && "Unknown Dwarf Discriminant Descriptor");
492  return "";
493}
494
495/// LNStandardString - Return the string for the specified line number standard.
496///
497const char *LNStandardString(unsigned Standard) {
498   switch(Standard) {
499    case DW_LNS_copy:                      return "LNS_copy";
500    case DW_LNS_advance_pc:                return "LNS_advance_pc";
501    case DW_LNS_advance_line:              return "LNS_advance_line";
502    case DW_LNS_set_file:                  return "LNS_set_file";
503    case DW_LNS_set_column:                return "LNS_set_column";
504    case DW_LNS_negate_stmt:               return "LNS_negate_stmt";
505    case DW_LNS_set_basic_block:           return "LNS_set_basic_block";
506    case DW_LNS_const_add_pc:              return "LNS_const_add_pc";
507    case DW_LNS_fixed_advance_pc:          return "LNS_fixed_advance_pc";
508    case DW_LNS_set_prologue_end:          return "LNS_set_prologue_end";
509    case DW_LNS_set_epilogue_begin:        return "LNS_set_epilogue_begin";
510    case DW_LNS_set_isa:                   return "LNS_set_isa";
511  }
512  assert(0 && "Unknown Dwarf Line Number Standard");
513  return "";
514}
515
516/// LNExtendedString - Return the string for the specified line number extended
517/// opcode encodings.
518const char *LNExtendedString(unsigned Encoding) {
519   switch(Encoding) {
520    // Line Number Extended Opcode Encodings
521    case DW_LNE_end_sequence:              return "LNE_end_sequence";
522    case DW_LNE_set_address:               return "LNE_set_address";
523    case DW_LNE_define_file:               return "LNE_define_file";
524    case DW_LNE_lo_user:                   return "LNE_lo_user";
525    case DW_LNE_hi_user:                   return "LNE_hi_user";
526  }
527  assert(0 && "Unknown Dwarf Line Number Extended Opcode Encoding");
528  return "";
529}
530
531/// MacinfoString - Return the string for the specified macinfo type encodings.
532///
533const char *MacinfoString(unsigned Encoding) {
534   switch(Encoding) {
535    // Macinfo Type Encodings
536    case DW_MACINFO_define:                return "MACINFO_define";
537    case DW_MACINFO_undef:                 return "MACINFO_undef";
538    case DW_MACINFO_start_file:            return "MACINFO_start_file";
539    case DW_MACINFO_end_file:              return "MACINFO_end_file";
540    case DW_MACINFO_vendor_ext:            return "MACINFO_vendor_ext";
541  }
542  assert(0 && "Unknown Dwarf Macinfo Type Encodings");
543  return "";
544}
545
546/// CallFrameString - Return the string for the specified call frame instruction
547/// encodings.
548const char *CallFrameString(unsigned Encoding) {
549   switch(Encoding) {
550    case DW_CFA_advance_loc:               return "CFA_advance_loc";
551    case DW_CFA_offset:                    return "CFA_offset";
552    case DW_CFA_restore:                   return "CFA_restore";
553    case DW_CFA_set_loc:                   return "CFA_set_loc";
554    case DW_CFA_advance_loc1:              return "CFA_advance_loc1";
555    case DW_CFA_advance_loc2:              return "CFA_advance_loc2";
556    case DW_CFA_advance_loc4:              return "CFA_advance_loc4";
557    case DW_CFA_offset_extended:           return "CFA_offset_extended";
558    case DW_CFA_restore_extended:          return "CFA_restore_extended";
559    case DW_CFA_undefined:                 return "CFA_undefined";
560    case DW_CFA_same_value:                return "CFA_same_value";
561    case DW_CFA_register:                  return "CFA_register";
562    case DW_CFA_remember_state:            return "CFA_remember_state";
563    case DW_CFA_restore_state:             return "CFA_restore_state";
564    case DW_CFA_def_cfa:                   return "CFA_def_cfa";
565    case DW_CFA_def_cfa_register:          return "CFA_def_cfa_register";
566    case DW_CFA_def_cfa_offset:            return "CFA_def_cfa_offset";
567    case DW_CFA_def_cfa_expression:        return "CFA_def_cfa_expression";
568    case DW_CFA_expression:                return "CFA_expression";
569    case DW_CFA_offset_extended_sf:        return "CFA_offset_extended_sf";
570    case DW_CFA_def_cfa_sf:                return "CFA_def_cfa_sf";
571    case DW_CFA_def_cfa_offset_sf:         return "CFA_def_cfa_offset_sf";
572    case DW_CFA_val_offset:                return "CFA_val_offset";
573    case DW_CFA_val_offset_sf:             return "CFA_val_offset_sf";
574    case DW_CFA_val_expression:            return "CFA_val_expression";
575    case DW_CFA_lo_user:                   return "CFA_lo_user";
576    case DW_CFA_hi_user:                   return "CFA_hi_user";
577  }
578  assert(0 && "Unknown Dwarf Call Frame Instruction Encodings");
579  return "";
580}
581
582} // End of namespace dwarf.
583
584} // End of namespace llvm.
585
586DEFINING_FILE_FOR(SupportDwarf)
587