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1 //===-- DWARFDefines.c ------------------------------------------*- 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 #include "DWARFDefines.h"
11 #include <cstdio>
12 #include <cstring>
13 #include <string>
14 #include "lldb/Core/ConstString.h"
15 
16 namespace lldb_private {
17 
18 const char *
DW_TAG_value_to_name(uint32_t val)19 DW_TAG_value_to_name (uint32_t val)
20 {
21   static char invalid[100];
22 
23   if (val == 0)
24       return "NULL";
25 
26   const char *llvmstr = llvm::dwarf::TagString (val);
27   if (llvmstr == NULL)
28   {
29       snprintf (invalid, sizeof (invalid), "Unknown DW_TAG constant: 0x%x", val);
30       return invalid;
31   }
32   return llvmstr;
33 }
34 
35 const char *
DW_CHILDREN_value_to_name(uint8_t val)36 DW_CHILDREN_value_to_name (uint8_t val)
37 {
38   static char invalid[100];
39   const char *llvmstr = llvm::dwarf::ChildrenString (val);
40   if (llvmstr == NULL)
41   {
42        snprintf (invalid, sizeof (invalid), "Unknown DW_CHILDREN constant: 0x%x", val);
43        return invalid;
44   }
45   return llvmstr;
46 }
47 
48 const char *
DW_AT_value_to_name(uint32_t val)49 DW_AT_value_to_name (uint32_t val)
50 {
51   static char invalid[100];
52   const char *llvmstr = llvm::dwarf::AttributeString (val);
53   if (llvmstr == NULL)
54   {
55       snprintf (invalid, sizeof (invalid), "Unknown DW_AT constant: 0x%x", val);
56       return invalid;
57   }
58   return llvmstr;
59 }
60 
61 const char *
DW_FORM_value_to_name(uint32_t val)62 DW_FORM_value_to_name (uint32_t val)
63 {
64   static char invalid[100];
65   const char *llvmstr = llvm::dwarf::FormEncodingString (val);
66   if (llvmstr == NULL)
67   {
68       snprintf (invalid, sizeof (invalid), "Unknown DW_FORM constant: 0x%x", val);
69       return invalid;
70   }
71   return llvmstr;
72 }
73 
74 const char *
DW_OP_value_to_name(uint32_t val)75 DW_OP_value_to_name (uint32_t val)
76 {
77   static char invalid[100];
78   const char *llvmstr = llvm::dwarf::OperationEncodingString (val);
79   if (llvmstr == NULL)
80   {
81       snprintf (invalid, sizeof (invalid), "Unknown DW_OP constant: 0x%x", val);
82       return invalid;
83   }
84   return llvmstr;
85 }
86 
87 DRC_class
DW_OP_value_to_class(uint32_t val)88 DW_OP_value_to_class (uint32_t val)
89 {
90   switch (val) {
91     case 0x03: return DRC_ONEOPERAND;
92     case 0x06: return DRC_ZEROOPERANDS;
93     case 0x08: return DRC_ONEOPERAND;
94     case 0x09: return DRC_ONEOPERAND;
95     case 0x0a: return DRC_ONEOPERAND;
96     case 0x0b: return DRC_ONEOPERAND;
97     case 0x0c: return DRC_ONEOPERAND;
98     case 0x0d: return DRC_ONEOPERAND;
99     case 0x0e: return DRC_ONEOPERAND;
100     case 0x0f: return DRC_ONEOPERAND;
101     case 0x10: return DRC_ONEOPERAND;
102     case 0x11: return DRC_ONEOPERAND;
103     case 0x12: return DRC_ZEROOPERANDS;
104     case 0x13: return DRC_ZEROOPERANDS;
105     case 0x14: return DRC_ZEROOPERANDS;
106     case 0x15: return DRC_ONEOPERAND;
107     case 0x16: return DRC_ZEROOPERANDS;
108     case 0x17: return DRC_ZEROOPERANDS;
109     case 0x18: return DRC_ZEROOPERANDS;
110     case 0x19: return DRC_ZEROOPERANDS;
111     case 0x1a: return DRC_ZEROOPERANDS;
112     case 0x1b: return DRC_ZEROOPERANDS;
113     case 0x1c: return DRC_ZEROOPERANDS;
114     case 0x1d: return DRC_ZEROOPERANDS;
115     case 0x1e: return DRC_ZEROOPERANDS;
116     case 0x1f: return DRC_ZEROOPERANDS;
117     case 0x20: return DRC_ZEROOPERANDS;
118     case 0x21: return DRC_ZEROOPERANDS;
119     case 0x22: return DRC_ZEROOPERANDS;
120     case 0x23: return DRC_ONEOPERAND;
121     case 0x24: return DRC_ZEROOPERANDS;
122     case 0x25: return DRC_ZEROOPERANDS;
123     case 0x26: return DRC_ZEROOPERANDS;
124     case 0x27: return DRC_ZEROOPERANDS;
125     case 0x2f: return DRC_ONEOPERAND;
126     case 0x28: return DRC_ONEOPERAND;
127     case 0x29: return DRC_ZEROOPERANDS;
128     case 0x2a: return DRC_ZEROOPERANDS;
129     case 0x2b: return DRC_ZEROOPERANDS;
130     case 0x2c: return DRC_ZEROOPERANDS;
131     case 0x2d: return DRC_ZEROOPERANDS;
132     case 0x2e: return DRC_ZEROOPERANDS;
133     case 0x30: return DRC_ZEROOPERANDS;
134     case 0x31: return DRC_ZEROOPERANDS;
135     case 0x32: return DRC_ZEROOPERANDS;
136     case 0x33: return DRC_ZEROOPERANDS;
137     case 0x34: return DRC_ZEROOPERANDS;
138     case 0x35: return DRC_ZEROOPERANDS;
139     case 0x36: return DRC_ZEROOPERANDS;
140     case 0x37: return DRC_ZEROOPERANDS;
141     case 0x38: return DRC_ZEROOPERANDS;
142     case 0x39: return DRC_ZEROOPERANDS;
143     case 0x3a: return DRC_ZEROOPERANDS;
144     case 0x3b: return DRC_ZEROOPERANDS;
145     case 0x3c: return DRC_ZEROOPERANDS;
146     case 0x3d: return DRC_ZEROOPERANDS;
147     case 0x3e: return DRC_ZEROOPERANDS;
148     case 0x3f: return DRC_ZEROOPERANDS;
149     case 0x40: return DRC_ZEROOPERANDS;
150     case 0x41: return DRC_ZEROOPERANDS;
151     case 0x42: return DRC_ZEROOPERANDS;
152     case 0x43: return DRC_ZEROOPERANDS;
153     case 0x44: return DRC_ZEROOPERANDS;
154     case 0x45: return DRC_ZEROOPERANDS;
155     case 0x46: return DRC_ZEROOPERANDS;
156     case 0x47: return DRC_ZEROOPERANDS;
157     case 0x48: return DRC_ZEROOPERANDS;
158     case 0x49: return DRC_ZEROOPERANDS;
159     case 0x4a: return DRC_ZEROOPERANDS;
160     case 0x4b: return DRC_ZEROOPERANDS;
161     case 0x4c: return DRC_ZEROOPERANDS;
162     case 0x4d: return DRC_ZEROOPERANDS;
163     case 0x4e: return DRC_ZEROOPERANDS;
164     case 0x4f: return DRC_ZEROOPERANDS;
165     case 0x50: return DRC_ZEROOPERANDS;
166     case 0x51: return DRC_ZEROOPERANDS;
167     case 0x52: return DRC_ZEROOPERANDS;
168     case 0x53: return DRC_ZEROOPERANDS;
169     case 0x54: return DRC_ZEROOPERANDS;
170     case 0x55: return DRC_ZEROOPERANDS;
171     case 0x56: return DRC_ZEROOPERANDS;
172     case 0x57: return DRC_ZEROOPERANDS;
173     case 0x58: return DRC_ZEROOPERANDS;
174     case 0x59: return DRC_ZEROOPERANDS;
175     case 0x5a: return DRC_ZEROOPERANDS;
176     case 0x5b: return DRC_ZEROOPERANDS;
177     case 0x5c: return DRC_ZEROOPERANDS;
178     case 0x5d: return DRC_ZEROOPERANDS;
179     case 0x5e: return DRC_ZEROOPERANDS;
180     case 0x5f: return DRC_ZEROOPERANDS;
181     case 0x60: return DRC_ZEROOPERANDS;
182     case 0x61: return DRC_ZEROOPERANDS;
183     case 0x62: return DRC_ZEROOPERANDS;
184     case 0x63: return DRC_ZEROOPERANDS;
185     case 0x64: return DRC_ZEROOPERANDS;
186     case 0x65: return DRC_ZEROOPERANDS;
187     case 0x66: return DRC_ZEROOPERANDS;
188     case 0x67: return DRC_ZEROOPERANDS;
189     case 0x68: return DRC_ZEROOPERANDS;
190     case 0x69: return DRC_ZEROOPERANDS;
191     case 0x6a: return DRC_ZEROOPERANDS;
192     case 0x6b: return DRC_ZEROOPERANDS;
193     case 0x6c: return DRC_ZEROOPERANDS;
194     case 0x6d: return DRC_ZEROOPERANDS;
195     case 0x6e: return DRC_ZEROOPERANDS;
196     case 0x6f: return DRC_ZEROOPERANDS;
197     case 0x70: return DRC_ONEOPERAND;
198     case 0x71: return DRC_ONEOPERAND;
199     case 0x72: return DRC_ONEOPERAND;
200     case 0x73: return DRC_ONEOPERAND;
201     case 0x74: return DRC_ONEOPERAND;
202     case 0x75: return DRC_ONEOPERAND;
203     case 0x76: return DRC_ONEOPERAND;
204     case 0x77: return DRC_ONEOPERAND;
205     case 0x78: return DRC_ONEOPERAND;
206     case 0x79: return DRC_ONEOPERAND;
207     case 0x7a: return DRC_ONEOPERAND;
208     case 0x7b: return DRC_ONEOPERAND;
209     case 0x7c: return DRC_ONEOPERAND;
210     case 0x7d: return DRC_ONEOPERAND;
211     case 0x7e: return DRC_ONEOPERAND;
212     case 0x7f: return DRC_ONEOPERAND;
213     case 0x80: return DRC_ONEOPERAND;
214     case 0x81: return DRC_ONEOPERAND;
215     case 0x82: return DRC_ONEOPERAND;
216     case 0x83: return DRC_ONEOPERAND;
217     case 0x84: return DRC_ONEOPERAND;
218     case 0x85: return DRC_ONEOPERAND;
219     case 0x86: return DRC_ONEOPERAND;
220     case 0x87: return DRC_ONEOPERAND;
221     case 0x88: return DRC_ONEOPERAND;
222     case 0x89: return DRC_ONEOPERAND;
223     case 0x8a: return DRC_ONEOPERAND;
224     case 0x8b: return DRC_ONEOPERAND;
225     case 0x8c: return DRC_ONEOPERAND;
226     case 0x8d: return DRC_ONEOPERAND;
227     case 0x8e: return DRC_ONEOPERAND;
228     case 0x8f: return DRC_ONEOPERAND;
229     case 0x90: return DRC_ONEOPERAND;
230     case 0x91: return DRC_ONEOPERAND;
231     case 0x92: return DRC_TWOOPERANDS;
232     case 0x93: return DRC_ONEOPERAND;
233     case 0x94: return DRC_ONEOPERAND;
234     case 0x95: return DRC_ONEOPERAND;
235     case 0x96: return DRC_ZEROOPERANDS;
236     case 0x97: return DRC_DWARFv3 | DRC_ZEROOPERANDS;
237     case 0x98: return DRC_DWARFv3 | DRC_ONEOPERAND;
238     case 0x99: return DRC_DWARFv3 | DRC_ONEOPERAND;
239     case 0x9a: return DRC_DWARFv3 | DRC_ONEOPERAND;
240     case 0xf0: return DRC_ZEROOPERANDS; /* DW_OP_APPLE_uninit */
241     case 0xe0: return 0;
242     case 0xff: return 0;
243     default: return 0;
244   }
245 }
246 
247 const char *
DW_ATE_value_to_name(uint32_t val)248 DW_ATE_value_to_name (uint32_t val)
249 {
250   static char invalid[100];
251   const char *llvmstr = llvm::dwarf::AttributeEncodingString (val);
252   if (llvmstr == NULL)
253   {
254       snprintf (invalid, sizeof (invalid), "Unknown DW_ATE constant: 0x%x", val);
255       return invalid;
256   }
257   return llvmstr;
258 }
259 
260 const char *
DW_ACCESS_value_to_name(uint32_t val)261 DW_ACCESS_value_to_name (uint32_t val)
262 {
263   static char invalid[100];
264 
265   const char *llvmstr = llvm::dwarf::AccessibilityString (val);
266   if (llvmstr == NULL)
267   {
268       snprintf (invalid, sizeof (invalid), "Unknown DW_ACCESS constant: 0x%x", val);
269       return invalid;
270   }
271   return llvmstr;
272 }
273 
274 const char *
DW_VIS_value_to_name(uint32_t val)275 DW_VIS_value_to_name (uint32_t val)
276 {
277   static char invalid[100];
278   const char *llvmstr = llvm::dwarf::VisibilityString (val);
279   if (llvmstr == NULL)
280   {
281       snprintf (invalid, sizeof (invalid), "Unknown DW_VIS constant: 0x%x", val);
282       return invalid;
283   }
284   return llvmstr;
285 }
286 
287 const char *
DW_VIRTUALITY_value_to_name(uint32_t val)288 DW_VIRTUALITY_value_to_name (uint32_t val)
289 {
290   static char invalid[100];
291   const char *llvmstr = llvm::dwarf::VirtualityString (val);
292   if (llvmstr == NULL)
293   {
294       snprintf (invalid, sizeof (invalid), "Unknown DW_VIRTUALITY constant: 0x%x", val);
295       return invalid;
296   }
297   return llvmstr;
298 }
299 
300 const char *
DW_LANG_value_to_name(uint32_t val)301 DW_LANG_value_to_name (uint32_t val)
302 {
303   static char invalid[100];
304   const char *llvmstr = llvm::dwarf::LanguageString (val);
305   if (llvmstr == NULL)
306   {
307       snprintf (invalid, sizeof (invalid), "Unknown DW_LANG constant: 0x%x", val);
308       return invalid;
309   }
310   return llvmstr;
311 }
312 
313 const char *
DW_ID_value_to_name(uint32_t val)314 DW_ID_value_to_name (uint32_t val)
315 {
316   static char invalid[100];
317   const char *llvmstr = llvm::dwarf::CaseString (val);
318   if (llvmstr == NULL)
319   {
320       snprintf (invalid, sizeof (invalid), "Unknown DW_ID constant: 0x%x", val);
321       return invalid;
322   }
323   return llvmstr;
324 }
325 
326 const char *
DW_CC_value_to_name(uint32_t val)327 DW_CC_value_to_name (uint32_t val)
328 {
329   static char invalid[100];
330   const char *llvmstr = llvm::dwarf::ConventionString (val);
331   if (llvmstr == NULL)
332   {
333       snprintf (invalid, sizeof (invalid), "Unknown DW_CC constant: 0x%x", val);
334       return invalid;
335   }
336   return llvmstr;
337 }
338 
339 const char *
DW_INL_value_to_name(uint32_t val)340 DW_INL_value_to_name (uint32_t val)
341 {
342   static char invalid[100];
343   const char *llvmstr = llvm::dwarf::InlineCodeString (val);
344   if (llvmstr == NULL)
345   {
346       snprintf (invalid, sizeof (invalid), "Unknown DW_INL constant: 0x%x", val);
347       return invalid;
348   }
349   return llvmstr;
350 }
351 
352 const char *
DW_ORD_value_to_name(uint32_t val)353 DW_ORD_value_to_name (uint32_t val)
354 {
355   static char invalid[100];
356   const char *llvmstr = llvm::dwarf::ArrayOrderString (val);
357   if (llvmstr == NULL)
358   {
359       snprintf (invalid, sizeof (invalid), "Unknown DW_ORD constant: 0x%x", val);
360       return invalid;
361   }
362   return llvmstr;
363 }
364 
365 const char *
DW_DSC_value_to_name(uint32_t val)366 DW_DSC_value_to_name (uint32_t val)
367 {
368   static char invalid[100];
369   const char *llvmstr = llvm::dwarf::DiscriminantString (val);
370   if (llvmstr == NULL)
371   {
372       snprintf (invalid, sizeof (invalid), "Unknown DW_DSC constant: 0x%x", val);
373       return invalid;
374   }
375   return llvmstr;
376 }
377 
378 const char *
DW_LNS_value_to_name(uint32_t val)379 DW_LNS_value_to_name (uint32_t val)
380 {
381   static char invalid[100];
382   const char *llvmstr = llvm::dwarf::LNStandardString (val);
383   if (llvmstr == NULL)
384   {
385       snprintf (invalid, sizeof (invalid), "Unknown DW_LNS constant: 0x%x", val);
386       return invalid;
387   }
388   return llvmstr;
389 }
390 
391 const char *
DW_LNE_value_to_name(uint32_t val)392 DW_LNE_value_to_name (uint32_t val)
393 {
394   static char invalid[100];
395   const char *llvmstr = llvm::dwarf::LNExtendedString (val);
396   if (llvmstr == NULL)
397   {
398       snprintf (invalid, sizeof (invalid), "Unknown DW_LNE constant: 0x%x", val);
399       return invalid;
400   }
401   return llvmstr;
402 }
403 
404 const char *
DW_MACINFO_value_to_name(uint32_t val)405 DW_MACINFO_value_to_name (uint32_t val)
406 {
407   static char invalid[100];
408   const char *llvmstr = llvm::dwarf::MacinfoString (val);
409   if (llvmstr == NULL)
410   {
411       snprintf (invalid, sizeof (invalid), "Unknown DW_MACINFO constant: 0x%x", val);
412       return invalid;
413   }
414   return llvmstr;
415 }
416 
417 const char *
DW_CFA_value_to_name(uint32_t val)418 DW_CFA_value_to_name (uint32_t val)
419 {
420   static char invalid[100];
421   const char *llvmstr = llvm::dwarf::CallFrameString (val);
422   if (llvmstr == NULL)
423   {
424       snprintf (invalid, sizeof (invalid), "Unknown DW_CFA constant: 0x%x", val);
425       return invalid;
426   }
427   return llvmstr;
428 }
429 
430 DW_TAG_CategoryEnum
get_tag_category(uint16_t tag)431 get_tag_category (uint16_t tag)
432 {
433   switch (tag)
434     {
435       case DW_TAG_array_type                 : return TagCategoryType;
436       case DW_TAG_class_type                 : return TagCategoryType;
437       case DW_TAG_entry_point                : return TagCategoryProgram;
438       case DW_TAG_enumeration_type           : return TagCategoryType;
439       case DW_TAG_formal_parameter           : return TagCategoryVariable;
440       case DW_TAG_imported_declaration       : return TagCategoryProgram;
441       case DW_TAG_label                      : return TagCategoryProgram;
442       case DW_TAG_lexical_block              : return TagCategoryProgram;
443       case DW_TAG_member                     : return TagCategoryType;
444       case DW_TAG_pointer_type               : return TagCategoryType;
445       case DW_TAG_reference_type             : return TagCategoryType;
446       case DW_TAG_compile_unit               : return TagCategoryProgram;
447       case DW_TAG_string_type                : return TagCategoryType;
448       case DW_TAG_structure_type             : return TagCategoryType;
449       case DW_TAG_subroutine_type            : return TagCategoryType;
450       case DW_TAG_typedef                    : return TagCategoryType;
451       case DW_TAG_union_type                 : return TagCategoryType;
452       case DW_TAG_unspecified_parameters     : return TagCategoryVariable;
453       case DW_TAG_variant                    : return TagCategoryType;
454       case DW_TAG_common_block               : return TagCategoryProgram;
455       case DW_TAG_common_inclusion           : return TagCategoryProgram;
456       case DW_TAG_inheritance                : return TagCategoryType;
457       case DW_TAG_inlined_subroutine         : return TagCategoryProgram;
458       case DW_TAG_module                     : return TagCategoryProgram;
459       case DW_TAG_ptr_to_member_type         : return TagCategoryType;
460       case DW_TAG_set_type                   : return TagCategoryType;
461       case DW_TAG_subrange_type              : return TagCategoryType;
462       case DW_TAG_with_stmt                  : return TagCategoryProgram;
463       case DW_TAG_access_declaration         : return TagCategoryProgram;
464       case DW_TAG_base_type                  : return TagCategoryType;
465       case DW_TAG_catch_block                : return TagCategoryProgram;
466       case DW_TAG_const_type                 : return TagCategoryType;
467       case DW_TAG_constant                   : return TagCategoryVariable;
468       case DW_TAG_enumerator                 : return TagCategoryType;
469       case DW_TAG_file_type                  : return TagCategoryType;
470       case DW_TAG_friend                     : return TagCategoryType;
471       case DW_TAG_namelist                   : return TagCategoryVariable;
472       case DW_TAG_namelist_item              : return TagCategoryVariable;
473       case DW_TAG_packed_type                : return TagCategoryType;
474       case DW_TAG_subprogram                 : return TagCategoryProgram;
475       case DW_TAG_template_type_parameter    : return TagCategoryType;
476       case DW_TAG_template_value_parameter   : return TagCategoryType;
477       case DW_TAG_thrown_type                : return TagCategoryType;
478       case DW_TAG_try_block                  : return TagCategoryProgram;
479       case DW_TAG_variant_part               : return TagCategoryType;
480       case DW_TAG_variable                   : return TagCategoryVariable;
481       case DW_TAG_volatile_type              : return TagCategoryType;
482       case DW_TAG_dwarf_procedure            : return TagCategoryProgram;
483       case DW_TAG_restrict_type              : return TagCategoryType;
484       case DW_TAG_interface_type             : return TagCategoryType;
485       case DW_TAG_namespace                  : return TagCategoryProgram;
486       case DW_TAG_imported_module            : return TagCategoryProgram;
487       case DW_TAG_unspecified_type           : return TagCategoryType;
488       case DW_TAG_partial_unit               : return TagCategoryProgram;
489       case DW_TAG_imported_unit              : return TagCategoryProgram;
490       case DW_TAG_shared_type                : return TagCategoryType;
491       default: break;
492     }
493     return TagCategoryProgram;
494 }
495 
496 } // namespace lldb_private
497 
498