fa99035b679f287c9d17c06c0b15e610fe8971c5
[oota-llvm.git] / lib / Support / Dwarf.cpp
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
16 #include <cassert>
17
18 namespace llvm {
19
20 namespace dwarf {
21
22 /// TagString - Return the string for the specified tag.
23 ///
24 const char *TagString(unsigned Tag) {
25   switch (Tag) {
26     case DW_TAG_array_type:                return "DW_TAG_array_type";
27     case DW_TAG_class_type:                return "DW_TAG_class_type";
28     case DW_TAG_entry_point:               return "DW_TAG_entry_point";
29     case DW_TAG_enumeration_type:          return "DW_TAG_enumeration_type";
30     case DW_TAG_formal_parameter:          return "DW_TAG_formal_parameter";
31     case DW_TAG_imported_declaration:      return "DW_TAG_imported_declaration";
32     case DW_TAG_label:                     return "DW_TAG_label";
33     case DW_TAG_lexical_block:             return "DW_TAG_lexical_block";
34     case DW_TAG_member:                    return "DW_TAG_member";
35     case DW_TAG_pointer_type:              return "DW_TAG_pointer_type";
36     case DW_TAG_reference_type:            return "DW_TAG_reference_type";
37     case DW_TAG_compile_unit:              return "DW_TAG_compile_unit";
38     case DW_TAG_string_type:               return "DW_TAG_string_type";
39     case DW_TAG_structure_type:            return "DW_TAG_structure_type";
40     case DW_TAG_subroutine_type:           return "DW_TAG_subroutine_type";
41     case DW_TAG_typedef:                   return "DW_TAG_typedef";
42     case DW_TAG_union_type:                return "DW_TAG_union_type";
43     case DW_TAG_unspecified_parameters:    return "DW_TAG_unspecified_parameters";
44     case DW_TAG_variant:                   return "DW_TAG_variant";
45     case DW_TAG_common_block:              return "DW_TAG_common_block";
46     case DW_TAG_common_inclusion:          return "DW_TAG_common_inclusion";
47     case DW_TAG_inheritance:               return "DW_TAG_inheritance";
48     case DW_TAG_inlined_subroutine:        return "DW_TAG_inlined_subroutine";
49     case DW_TAG_module:                    return "DW_TAG_module";
50     case DW_TAG_ptr_to_member_type:        return "DW_TAG_ptr_to_member_type";
51     case DW_TAG_set_type:                  return "DW_TAG_set_type";
52     case DW_TAG_subrange_type:             return "DW_TAG_subrange_type";
53     case DW_TAG_with_stmt:                 return "DW_TAG_with_stmt";
54     case DW_TAG_access_declaration:        return "DW_TAG_access_declaration";
55     case DW_TAG_base_type:                 return "DW_TAG_base_type";
56     case DW_TAG_catch_block:               return "DW_TAG_catch_block";
57     case DW_TAG_const_type:                return "DW_TAG_const_type";
58     case DW_TAG_constant:                  return "DW_TAG_constant";
59     case DW_TAG_enumerator:                return "DW_TAG_enumerator";
60     case DW_TAG_file_type:                 return "DW_TAG_file_type";
61     case DW_TAG_friend:                    return "DW_TAG_friend";
62     case DW_TAG_namelist:                  return "DW_TAG_namelist";
63     case DW_TAG_namelist_item:             return "DW_TAG_namelist_item";
64     case DW_TAG_packed_type:               return "DW_TAG_packed_type";
65     case DW_TAG_subprogram:                return "DW_TAG_subprogram";
66     case DW_TAG_template_type_parameter:   return "DW_TAG_template_type_parameter";
67     case DW_TAG_template_value_parameter: return "DW_TAG_template_value_parameter";
68     case DW_TAG_thrown_type:               return "DW_TAG_thrown_type";
69     case DW_TAG_try_block:                 return "DW_TAG_try_block";
70     case DW_TAG_variant_part:              return "DW_TAG_variant_part";
71     case DW_TAG_variable:                  return "DW_TAG_variable";
72     case DW_TAG_volatile_type:             return "DW_TAG_volatile_type";
73     case DW_TAG_dwarf_procedure:           return "DW_TAG_dwarf_procedure";
74     case DW_TAG_restrict_type:             return "DW_TAG_restrict_type";
75     case DW_TAG_interface_type:            return "DW_TAG_interface_type";
76     case DW_TAG_namespace:                 return "DW_TAG_namespace";
77     case DW_TAG_imported_module:           return "DW_TAG_imported_module";
78     case DW_TAG_unspecified_type:          return "DW_TAG_unspecified_type";
79     case DW_TAG_partial_unit:              return "DW_TAG_partial_unit";
80     case DW_TAG_imported_unit:             return "DW_TAG_imported_unit";
81     case DW_TAG_condition:                 return "DW_TAG_condition";
82     case DW_TAG_shared_type:               return "DW_TAG_shared_type";
83     case DW_TAG_lo_user:                   return "DW_TAG_lo_user";
84     case DW_TAG_hi_user:                   return "DW_TAG_hi_user";
85   }
86   assert(0 && "Unknown Dwarf Tag");
87   return "";
88 }
89
90 /// ChildrenString - Return the string for the specified children flag.
91 ///
92 const char *ChildrenString(unsigned Children) {
93   switch (Children) {
94     case DW_CHILDREN_no:                   return "CHILDREN_no";
95     case DW_CHILDREN_yes:                  return "CHILDREN_yes";
96   }
97   assert(0 && "Unknown Dwarf ChildrenFlag");
98   return "";
99 }
100
101 /// AttributeString - Return the string for the specified attribute.
102 ///
103 const char *AttributeString(unsigned Attribute) {
104   switch (Attribute) {
105     case DW_AT_sibling:                    return "DW_AT_sibling";
106     case DW_AT_location:                   return "DW_AT_location";
107     case DW_AT_name:                       return "DW_AT_name";
108     case DW_AT_ordering:                   return "DW_AT_ordering";
109     case DW_AT_byte_size:                  return "DW_AT_byte_size";
110     case DW_AT_bit_offset:                 return "DW_AT_bit_offset";
111     case DW_AT_bit_size:                   return "DW_AT_bit_size";
112     case DW_AT_stmt_list:                  return "DW_AT_stmt_list";
113     case DW_AT_low_pc:                     return "DW_AT_low_pc";
114     case DW_AT_high_pc:                    return "DW_AT_high_pc";
115     case DW_AT_language:                   return "DW_AT_language";
116     case DW_AT_discr:                      return "DW_AT_discr";
117     case DW_AT_discr_value:                return "DW_AT_discr_value";
118     case DW_AT_visibility:                 return "DW_AT_visibility";
119     case DW_AT_import:                     return "DW_AT_import";
120     case DW_AT_string_length:              return "DW_AT_string_length";
121     case DW_AT_common_reference:           return "DW_AT_common_reference";
122     case DW_AT_comp_dir:                   return "DW_AT_comp_dir";
123     case DW_AT_const_value:                return "DW_AT_const_value";
124     case DW_AT_containing_type:            return "DW_AT_containing_type";
125     case DW_AT_default_value:              return "DW_AT_default_value";
126     case DW_AT_inline:                     return "DW_AT_inline";
127     case DW_AT_is_optional:                return "DW_AT_is_optional";
128     case DW_AT_lower_bound:                return "DW_AT_lower_bound";
129     case DW_AT_producer:                   return "DW_AT_producer";
130     case DW_AT_prototyped:                 return "DW_AT_prototyped";
131     case DW_AT_return_addr:                return "DW_AT_return_addr";
132     case DW_AT_start_scope:                return "DW_AT_start_scope";
133     case DW_AT_bit_stride:                 return "DW_AT_bit_stride";
134     case DW_AT_upper_bound:                return "DW_AT_upper_bound";
135     case DW_AT_abstract_origin:            return "DW_AT_abstract_origin";
136     case DW_AT_accessibility:              return "DW_AT_accessibility";
137     case DW_AT_address_class:              return "DW_AT_address_class";
138     case DW_AT_artificial:                 return "DW_AT_artificial";
139     case DW_AT_base_types:                 return "DW_AT_base_types";
140     case DW_AT_calling_convention:         return "DW_AT_calling_convention";
141     case DW_AT_count:                      return "DW_AT_count";
142     case DW_AT_data_member_location:       return "DW_AT_data_member_location";
143     case DW_AT_decl_column:                return "DW_AT_decl_column";
144     case DW_AT_decl_file:                  return "DW_AT_decl_file";
145     case DW_AT_decl_line:                  return "DW_AT_decl_line";
146     case DW_AT_declaration:                return "DW_AT_declaration";
147     case DW_AT_discr_list:                 return "DW_AT_discr_list";
148     case DW_AT_encoding:                   return "DW_AT_encoding";
149     case DW_AT_external:                   return "DW_AT_external";
150     case DW_AT_frame_base:                 return "DW_AT_frame_base";
151     case DW_AT_friend:                     return "DW_AT_friend";
152     case DW_AT_identifier_case:            return "DW_AT_identifier_case";
153     case DW_AT_macro_info:                 return "DW_AT_macro_info";
154     case DW_AT_namelist_item:              return "DW_AT_namelist_item";
155     case DW_AT_priority:                   return "DW_AT_priority";
156     case DW_AT_segment:                    return "DW_AT_segment";
157     case DW_AT_specification:              return "DW_AT_specification";
158     case DW_AT_static_link:                return "DW_AT_static_link";
159     case DW_AT_type:                       return "DW_AT_type";
160     case DW_AT_use_location:               return "DW_AT_use_location";
161     case DW_AT_variable_parameter:         return "DW_AT_variable_parameter";
162     case DW_AT_virtuality:                 return "DW_AT_virtuality";
163     case DW_AT_vtable_elem_location:       return "DW_AT_vtable_elem_location";
164     case DW_AT_allocated:                  return "DW_AT_allocated";
165     case DW_AT_associated:                 return "DW_AT_associated";
166     case DW_AT_data_location:              return "DW_AT_data_location";
167     case DW_AT_byte_stride:                return "DW_AT_byte_stride";
168     case DW_AT_entry_pc:                   return "DW_AT_entry_pc";
169     case DW_AT_use_UTF8:                   return "DW_AT_use_UTF8";
170     case DW_AT_extension:                  return "DW_AT_extension";
171     case DW_AT_ranges:                     return "DW_AT_ranges";
172     case DW_AT_trampoline:                 return "DW_AT_trampoline";
173     case DW_AT_call_column:                return "DW_AT_call_column";
174     case DW_AT_call_file:                  return "DW_AT_call_file";
175     case DW_AT_call_line:                  return "DW_AT_call_line";
176     case DW_AT_description:                return "DW_AT_description";
177     case DW_AT_binary_scale:               return "DW_AT_binary_scale";
178     case DW_AT_decimal_scale:              return "DW_AT_decimal_scale";
179     case DW_AT_small:                      return "DW_AT_small";
180     case DW_AT_decimal_sign:               return "DW_AT_decimal_sign";
181     case DW_AT_digit_count:                return "DW_AT_digit_count";
182     case DW_AT_picture_string:             return "DW_AT_picture_string";
183     case DW_AT_mutable:                    return "DW_AT_mutable";
184     case DW_AT_threads_scaled:             return "DW_AT_threads_scaled";
185     case DW_AT_explicit:                   return "DW_AT_explicit";
186     case DW_AT_object_pointer:             return "DW_AT_object_pointer";
187     case DW_AT_endianity:                  return "DW_AT_endianity";
188     case DW_AT_elemental:                  return "DW_AT_elemental";
189     case DW_AT_pure:                       return "DW_AT_pure";
190     case DW_AT_recursive:                  return "DW_AT_recursive";
191     case DW_AT_MIPS_linkage_name:          return "DW_AT_MIPS_linkage_name";
192     case DW_AT_sf_names:                   return "DW_AT_sf_names";
193     case DW_AT_src_info:                   return "DW_AT_src_info";
194     case DW_AT_mac_info:                   return "DW_AT_mac_info";
195     case DW_AT_src_coords:                 return "DW_AT_src_coords";
196     case DW_AT_body_begin:                 return "DW_AT_body_begin";
197     case DW_AT_body_end:                   return "DW_AT_body_end";
198     case DW_AT_GNU_vector:                 return "DW_AT_GNU_vector";
199     case DW_AT_lo_user:                    return "DW_AT_lo_user";
200     case DW_AT_hi_user:                    return "DW_AT_hi_user";
201     case DW_AT_APPLE_optimized:            return "DW_AT_APPLE_optimized";
202     case DW_AT_APPLE_flags:                return "DW_AT_APPLE_flags";
203     case DW_AT_APPLE_isa:                  return "DW_AT_APPLE_isa";
204     case DW_AT_APPLE_block:                return "DW_AT_APPLE_block";
205     case DW_AT_APPLE_major_runtime_vers:   return "DW_AT_APPLE_major_runtime_vers";
206     case DW_AT_APPLE_runtime_class:        return "DW_AT_APPLE_runtime_class";
207   }
208   assert(0 && "Unknown Dwarf Attribute");
209   return "";
210 }
211
212 /// FormEncodingString - Return the string for the specified form encoding.
213 ///
214 const char *FormEncodingString(unsigned Encoding) {
215   switch (Encoding) {
216     case DW_FORM_addr:                     return "FORM_addr";
217     case DW_FORM_block2:                   return "FORM_block2";
218     case DW_FORM_block4:                   return "FORM_block4";
219     case DW_FORM_data2:                    return "FORM_data2";
220     case DW_FORM_data4:                    return "FORM_data4";
221     case DW_FORM_data8:                    return "FORM_data8";
222     case DW_FORM_string:                   return "FORM_string";
223     case DW_FORM_block:                    return "FORM_block";
224     case DW_FORM_block1:                   return "FORM_block1";
225     case DW_FORM_data1:                    return "FORM_data1";
226     case DW_FORM_flag:                     return "FORM_flag";
227     case DW_FORM_sdata:                    return "FORM_sdata";
228     case DW_FORM_strp:                     return "FORM_strp";
229     case DW_FORM_udata:                    return "FORM_udata";
230     case DW_FORM_ref_addr:                 return "FORM_ref_addr";
231     case DW_FORM_ref1:                     return "FORM_ref1";
232     case DW_FORM_ref2:                     return "FORM_ref2";
233     case DW_FORM_ref4:                     return "FORM_ref4";
234     case DW_FORM_ref8:                     return "FORM_ref8";
235     case DW_FORM_ref_udata:                return "FORM_ref_udata";
236     case DW_FORM_indirect:                 return "FORM_indirect";
237   }
238   assert(0 && "Unknown Dwarf Form Encoding");
239   return "";
240 }
241
242 /// OperationEncodingString - Return the string for the specified operation
243 /// encoding.
244 const char *OperationEncodingString(unsigned Encoding) {
245   switch (Encoding) {
246     case DW_OP_addr:                       return "OP_addr";
247     case DW_OP_deref:                      return "OP_deref";
248     case DW_OP_const1u:                    return "OP_const1u";
249     case DW_OP_const1s:                    return "OP_const1s";
250     case DW_OP_const2u:                    return "OP_const2u";
251     case DW_OP_const2s:                    return "OP_const2s";
252     case DW_OP_const4u:                    return "OP_const4u";
253     case DW_OP_const4s:                    return "OP_const4s";
254     case DW_OP_const8u:                    return "OP_const8u";
255     case DW_OP_const8s:                    return "OP_const8s";
256     case DW_OP_constu:                     return "OP_constu";
257     case DW_OP_consts:                     return "OP_consts";
258     case DW_OP_dup:                        return "OP_dup";
259     case DW_OP_drop:                       return "OP_drop";
260     case DW_OP_over:                       return "OP_over";
261     case DW_OP_pick:                       return "OP_pick";
262     case DW_OP_swap:                       return "OP_swap";
263     case DW_OP_rot:                        return "OP_rot";
264     case DW_OP_xderef:                     return "OP_xderef";
265     case DW_OP_abs:                        return "OP_abs";
266     case DW_OP_and:                        return "OP_and";
267     case DW_OP_div:                        return "OP_div";
268     case DW_OP_minus:                      return "OP_minus";
269     case DW_OP_mod:                        return "OP_mod";
270     case DW_OP_mul:                        return "OP_mul";
271     case DW_OP_neg:                        return "OP_neg";
272     case DW_OP_not:                        return "OP_not";
273     case DW_OP_or:                         return "OP_or";
274     case DW_OP_plus:                       return "OP_plus";
275     case DW_OP_plus_uconst:                return "OP_plus_uconst";
276     case DW_OP_shl:                        return "OP_shl";
277     case DW_OP_shr:                        return "OP_shr";
278     case DW_OP_shra:                       return "OP_shra";
279     case DW_OP_xor:                        return "OP_xor";
280     case DW_OP_skip:                       return "OP_skip";
281     case DW_OP_bra:                        return "OP_bra";
282     case DW_OP_eq:                         return "OP_eq";
283     case DW_OP_ge:                         return "OP_ge";
284     case DW_OP_gt:                         return "OP_gt";
285     case DW_OP_le:                         return "OP_le";
286     case DW_OP_lt:                         return "OP_lt";
287     case DW_OP_ne:                         return "OP_ne";
288     case DW_OP_lit0:                       return "OP_lit0";
289     case DW_OP_lit1:                       return "OP_lit1";
290     case DW_OP_lit31:                      return "OP_lit31";
291     case DW_OP_reg0:                       return "OP_reg0";
292     case DW_OP_reg1:                       return "OP_reg1";
293     case DW_OP_reg31:                      return "OP_reg31";
294     case DW_OP_breg0:                      return "OP_breg0";
295     case DW_OP_breg1:                      return "OP_breg1";
296     case DW_OP_breg31:                     return "OP_breg31";
297     case DW_OP_regx:                       return "OP_regx";
298     case DW_OP_fbreg:                      return "OP_fbreg";
299     case DW_OP_bregx:                      return "OP_bregx";
300     case DW_OP_piece:                      return "OP_piece";
301     case DW_OP_deref_size:                 return "OP_deref_size";
302     case DW_OP_xderef_size:                return "OP_xderef_size";
303     case DW_OP_nop:                        return "OP_nop";
304     case DW_OP_push_object_address:        return "OP_push_object_address";
305     case DW_OP_call2:                      return "OP_call2";
306     case DW_OP_call4:                      return "OP_call4";
307     case DW_OP_call_ref:                   return "OP_call_ref";
308     case DW_OP_form_tls_address:           return "OP_form_tls_address";
309     case DW_OP_call_frame_cfa:             return "OP_call_frame_cfa";
310     case DW_OP_lo_user:                    return "OP_lo_user";
311     case DW_OP_hi_user:                    return "OP_hi_user";
312   }
313   assert(0 && "Unknown Dwarf Operation Encoding");
314   return "";
315 }
316
317 /// AttributeEncodingString - Return the string for the specified attribute
318 /// encoding.
319 const char *AttributeEncodingString(unsigned Encoding) {
320   switch (Encoding) {
321     case DW_ATE_address:                   return "ATE_address";
322     case DW_ATE_boolean:                   return "ATE_boolean";
323     case DW_ATE_complex_float:             return "ATE_complex_float";
324     case DW_ATE_float:                     return "ATE_float";
325     case DW_ATE_signed:                    return "ATE_signed";
326     case DW_ATE_signed_char:               return "ATE_signed_char";
327     case DW_ATE_unsigned:                  return "ATE_unsigned";
328     case DW_ATE_unsigned_char:             return "ATE_unsigned_char";
329     case DW_ATE_imaginary_float:           return "ATE_imaginary_float";
330     case DW_ATE_packed_decimal:            return "ATE_packed_decimal";
331     case DW_ATE_numeric_string:            return "ATE_numeric_string";
332     case DW_ATE_edited:                    return "ATE_edited";
333     case DW_ATE_signed_fixed:              return "ATE_signed_fixed";
334     case DW_ATE_unsigned_fixed:            return "ATE_unsigned_fixed";
335     case DW_ATE_decimal_float:             return "ATE_decimal_float";
336     case DW_ATE_lo_user:                   return "ATE_lo_user";
337     case DW_ATE_hi_user:                   return "ATE_hi_user";
338   }
339   assert(0 && "Unknown Dwarf Attribute Encoding");
340   return "";
341 }
342
343 /// DecimalSignString - Return the string for the specified decimal sign
344 /// attribute.
345 const char *DecimalSignString(unsigned Sign) {
346   switch (Sign) {
347     case DW_DS_unsigned:                   return "DS_unsigned";
348     case DW_DS_leading_overpunch:          return "DS_leading_overpunch";
349     case DW_DS_trailing_overpunch:         return "DS_trailing_overpunch";
350     case DW_DS_leading_separate:           return "DS_leading_separate";
351     case DW_DS_trailing_separate:          return "DS_trailing_separate";
352   }
353   assert(0 && "Unknown Dwarf Decimal Sign Attribute");
354   return "";
355 }
356
357 /// EndianityString - Return the string for the specified endianity.
358 ///
359 const char *EndianityString(unsigned Endian) {
360   switch (Endian) {
361     case DW_END_default:                   return "END_default";
362     case DW_END_big:                       return "END_big";
363     case DW_END_little:                    return "END_little";
364     case DW_END_lo_user:                   return "END_lo_user";
365     case DW_END_hi_user:                   return "END_hi_user";
366   }
367   assert(0 && "Unknown Dwarf Endianity");
368   return "";
369 }
370
371 /// AccessibilityString - Return the string for the specified accessibility.
372 ///
373 const char *AccessibilityString(unsigned Access) {
374   switch (Access) {
375     // Accessibility codes
376     case DW_ACCESS_public:                 return "ACCESS_public";
377     case DW_ACCESS_protected:              return "ACCESS_protected";
378     case DW_ACCESS_private:                return "ACCESS_private";
379   }
380   assert(0 && "Unknown Dwarf Accessibility");
381   return "";
382 }
383
384 /// VisibilityString - Return the string for the specified visibility.
385 ///
386 const char *VisibilityString(unsigned Visibility) {
387   switch (Visibility) {
388     case DW_VIS_local:                     return "VIS_local";
389     case DW_VIS_exported:                  return "VIS_exported";
390     case DW_VIS_qualified:                 return "VIS_qualified";
391   }
392   assert(0 && "Unknown Dwarf Visibility");
393   return "";
394 }
395
396 /// VirtualityString - Return the string for the specified virtuality.
397 ///
398 const char *VirtualityString(unsigned Virtuality) {
399   switch (Virtuality) {
400     case DW_VIRTUALITY_none:               return "VIRTUALITY_none";
401     case DW_VIRTUALITY_virtual:            return "VIRTUALITY_virtual";
402     case DW_VIRTUALITY_pure_virtual:       return "VIRTUALITY_pure_virtual";
403   }
404   assert(0 && "Unknown Dwarf Virtuality");
405   return "";
406 }
407
408 /// LanguageString - Return the string for the specified language.
409 ///
410 const char *LanguageString(unsigned Language) {
411   switch (Language) {
412     case DW_LANG_C89:                      return "LANG_C89";
413     case DW_LANG_C:                        return "LANG_C";
414     case DW_LANG_Ada83:                    return "LANG_Ada83";
415     case DW_LANG_C_plus_plus:              return "LANG_C_plus_plus";
416     case DW_LANG_Cobol74:                  return "LANG_Cobol74";
417     case DW_LANG_Cobol85:                  return "LANG_Cobol85";
418     case DW_LANG_Fortran77:                return "LANG_Fortran77";
419     case DW_LANG_Fortran90:                return "LANG_Fortran90";
420     case DW_LANG_Pascal83:                 return "LANG_Pascal83";
421     case DW_LANG_Modula2:                  return "LANG_Modula2";
422     case DW_LANG_Java:                     return "LANG_Java";
423     case DW_LANG_C99:                      return "LANG_C99";
424     case DW_LANG_Ada95:                    return "LANG_Ada95";
425     case DW_LANG_Fortran95:                return "LANG_Fortran95";
426     case DW_LANG_PLI:                      return "LANG_PLI";
427     case DW_LANG_ObjC:                     return "LANG_ObjC";
428     case DW_LANG_ObjC_plus_plus:           return "LANG_ObjC_plus_plus";
429     case DW_LANG_UPC:                      return "LANG_UPC";
430     case DW_LANG_D:                        return "LANG_D";
431     case DW_LANG_lo_user:                  return "LANG_lo_user";
432     case DW_LANG_hi_user:                  return "LANG_hi_user";
433   }
434   assert(0 && "Unknown Dwarf Language");
435   return "";
436 }
437
438 /// CaseString - Return the string for the specified identifier case.
439 ///
440 const char *CaseString(unsigned Case) {
441    switch (Case) {
442     case DW_ID_case_sensitive:             return "ID_case_sensitive";
443     case DW_ID_up_case:                    return "ID_up_case";
444     case DW_ID_down_case:                  return "ID_down_case";
445     case DW_ID_case_insensitive:           return "ID_case_insensitive";
446   }
447   assert(0 && "Unknown Dwarf Identifier Case");
448   return "";
449 }
450
451 /// ConventionString - Return the string for the specified calling convention.
452 ///
453 const char *ConventionString(unsigned Convention) {
454    switch (Convention) {
455     case DW_CC_normal:                     return "CC_normal";
456     case DW_CC_program:                    return "CC_program";
457     case DW_CC_nocall:                     return "CC_nocall";
458     case DW_CC_lo_user:                    return "CC_lo_user";
459     case DW_CC_hi_user:                    return "CC_hi_user";
460   }
461   assert(0 && "Unknown Dwarf Calling Convention");
462   return "";
463 }
464
465 /// InlineCodeString - Return the string for the specified inline code.
466 ///
467 const char *InlineCodeString(unsigned Code) {
468    switch (Code) {
469     case DW_INL_not_inlined:               return "INL_not_inlined";
470     case DW_INL_inlined:                   return "INL_inlined";
471     case DW_INL_declared_not_inlined:      return "INL_declared_not_inlined";
472     case DW_INL_declared_inlined:          return "INL_declared_inlined";
473   }
474   assert(0 && "Unknown Dwarf Inline Code");
475   return "";
476 }
477
478 /// ArrayOrderString - Return the string for the specified array order.
479 ///
480 const char *ArrayOrderString(unsigned Order) {
481    switch (Order) {
482     case DW_ORD_row_major:                 return "ORD_row_major";
483     case DW_ORD_col_major:                 return "ORD_col_major";
484   }
485   assert(0 && "Unknown Dwarf Array Order");
486   return "";
487 }
488
489 /// DiscriminantString - Return the string for the specified discriminant
490 /// descriptor.
491 const char *DiscriminantString(unsigned Discriminant) {
492    switch (Discriminant) {
493     case DW_DSC_label:                     return "DSC_label";
494     case DW_DSC_range:                     return "DSC_range";
495   }
496   assert(0 && "Unknown Dwarf Discriminant Descriptor");
497   return "";
498 }
499
500 /// LNStandardString - Return the string for the specified line number standard.
501 ///
502 const char *LNStandardString(unsigned Standard) {
503    switch (Standard) {
504     case DW_LNS_copy:                      return "LNS_copy";
505     case DW_LNS_advance_pc:                return "LNS_advance_pc";
506     case DW_LNS_advance_line:              return "LNS_advance_line";
507     case DW_LNS_set_file:                  return "LNS_set_file";
508     case DW_LNS_set_column:                return "LNS_set_column";
509     case DW_LNS_negate_stmt:               return "LNS_negate_stmt";
510     case DW_LNS_set_basic_block:           return "LNS_set_basic_block";
511     case DW_LNS_const_add_pc:              return "LNS_const_add_pc";
512     case DW_LNS_fixed_advance_pc:          return "LNS_fixed_advance_pc";
513     case DW_LNS_set_prologue_end:          return "LNS_set_prologue_end";
514     case DW_LNS_set_epilogue_begin:        return "LNS_set_epilogue_begin";
515     case DW_LNS_set_isa:                   return "LNS_set_isa";
516   }
517   assert(0 && "Unknown Dwarf Line Number Standard");
518   return "";
519 }
520
521 /// LNExtendedString - Return the string for the specified line number extended
522 /// opcode encodings.
523 const char *LNExtendedString(unsigned Encoding) {
524    switch (Encoding) {
525     // Line Number Extended Opcode Encodings
526     case DW_LNE_end_sequence:              return "LNE_end_sequence";
527     case DW_LNE_set_address:               return "LNE_set_address";
528     case DW_LNE_define_file:               return "LNE_define_file";
529     case DW_LNE_lo_user:                   return "LNE_lo_user";
530     case DW_LNE_hi_user:                   return "LNE_hi_user";
531   }
532   assert(0 && "Unknown Dwarf Line Number Extended Opcode Encoding");
533   return "";
534 }
535
536 /// MacinfoString - Return the string for the specified macinfo type encodings.
537 ///
538 const char *MacinfoString(unsigned Encoding) {
539    switch (Encoding) {
540     // Macinfo Type Encodings
541     case DW_MACINFO_define:                return "MACINFO_define";
542     case DW_MACINFO_undef:                 return "MACINFO_undef";
543     case DW_MACINFO_start_file:            return "MACINFO_start_file";
544     case DW_MACINFO_end_file:              return "MACINFO_end_file";
545     case DW_MACINFO_vendor_ext:            return "MACINFO_vendor_ext";
546   }
547   assert(0 && "Unknown Dwarf Macinfo Type Encodings");
548   return "";
549 }
550
551 /// CallFrameString - Return the string for the specified call frame instruction
552 /// encodings.
553 const char *CallFrameString(unsigned Encoding) {
554    switch (Encoding) {
555     case DW_CFA_advance_loc:               return "CFA_advance_loc";
556     case DW_CFA_offset:                    return "CFA_offset";
557     case DW_CFA_restore:                   return "CFA_restore";
558     case DW_CFA_set_loc:                   return "CFA_set_loc";
559     case DW_CFA_advance_loc1:              return "CFA_advance_loc1";
560     case DW_CFA_advance_loc2:              return "CFA_advance_loc2";
561     case DW_CFA_advance_loc4:              return "CFA_advance_loc4";
562     case DW_CFA_offset_extended:           return "CFA_offset_extended";
563     case DW_CFA_restore_extended:          return "CFA_restore_extended";
564     case DW_CFA_undefined:                 return "CFA_undefined";
565     case DW_CFA_same_value:                return "CFA_same_value";
566     case DW_CFA_register:                  return "CFA_register";
567     case DW_CFA_remember_state:            return "CFA_remember_state";
568     case DW_CFA_restore_state:             return "CFA_restore_state";
569     case DW_CFA_def_cfa:                   return "CFA_def_cfa";
570     case DW_CFA_def_cfa_register:          return "CFA_def_cfa_register";
571     case DW_CFA_def_cfa_offset:            return "CFA_def_cfa_offset";
572     case DW_CFA_def_cfa_expression:        return "CFA_def_cfa_expression";
573     case DW_CFA_expression:                return "CFA_expression";
574     case DW_CFA_offset_extended_sf:        return "CFA_offset_extended_sf";
575     case DW_CFA_def_cfa_sf:                return "CFA_def_cfa_sf";
576     case DW_CFA_def_cfa_offset_sf:         return "CFA_def_cfa_offset_sf";
577     case DW_CFA_val_offset:                return "CFA_val_offset";
578     case DW_CFA_val_offset_sf:             return "CFA_val_offset_sf";
579     case DW_CFA_val_expression:            return "CFA_val_expression";
580     case DW_CFA_lo_user:                   return "CFA_lo_user";
581     case DW_CFA_hi_user:                   return "CFA_hi_user";
582   }
583   assert(0 && "Unknown Dwarf Call Frame Instruction Encodings");
584   return "";
585 }
586
587 } // End of namespace dwarf.
588
589 } // End of namespace llvm.