1 //===-- SymbolFileDWARFDebugMap.cpp -----------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
12 // Other libraries and framework includes
14 #include "SymbolFileDWARFDebugMap.h"
16 #include "DWARFDebugAranges.h"
18 #include "lldb/Core/Module.h"
19 #include "lldb/Core/ModuleList.h"
20 #include "lldb/Core/PluginManager.h"
21 #include "lldb/Core/RangeMap.h"
22 #include "lldb/Core/Section.h"
23 #include "lldb/Host/FileSystem.h"
24 #include "lldb/Utility/RegularExpression.h"
25 #include "lldb/Utility/Timer.h"
27 //#define DEBUG_OSO_DMAP // DO NOT CHECKIN WITH THIS NOT COMMENTED OUT
28 #if defined(DEBUG_OSO_DMAP)
29 #include "lldb/Core/StreamFile.h"
32 #include "lldb/Symbol/CompileUnit.h"
33 #include "lldb/Symbol/LineTable.h"
34 #include "lldb/Symbol/ObjectFile.h"
35 #include "lldb/Symbol/SymbolVendor.h"
36 #include "lldb/Symbol/TypeMap.h"
37 #include "lldb/Symbol/VariableList.h"
38 #include "llvm/Support/ScopedPrinter.h"
40 #include "LogChannelDWARF.h"
41 #include "SymbolFileDWARF.h"
44 using namespace lldb_private;
46 // Subclass lldb_private::Module so we can intercept the
47 // "Module::GetObjectFile()" (so we can fixup the object file sections) and
48 // also for "Module::GetSymbolVendor()" (so we can fixup the symbol file id.
50 const SymbolFileDWARFDebugMap::FileRangeMap &
51 SymbolFileDWARFDebugMap::CompileUnitInfo::GetFileRangeMap(
52 SymbolFileDWARFDebugMap *exe_symfile) {
53 if (file_range_map_valid)
54 return file_range_map;
56 file_range_map_valid = true;
58 Module *oso_module = exe_symfile->GetModuleByCompUnitInfo(this);
60 return file_range_map;
62 ObjectFile *oso_objfile = oso_module->GetObjectFile();
64 return file_range_map;
66 Log *log(LogChannelDWARF::GetLogIfAll(DWARF_LOG_DEBUG_MAP));
68 ConstString object_name(oso_module->GetObjectName());
70 "%p: SymbolFileDWARFDebugMap::CompileUnitInfo::GetFileRangeMap ('%s')",
71 static_cast<void *>(this),
72 oso_module->GetSpecificationDescription().c_str());
75 std::vector<SymbolFileDWARFDebugMap::CompileUnitInfo *> cu_infos;
76 if (exe_symfile->GetCompUnitInfosForModule(oso_module, cu_infos)) {
77 for (auto comp_unit_info : cu_infos) {
78 Symtab *exe_symtab = exe_symfile->GetObjectFile()->GetSymtab();
79 ModuleSP oso_module_sp(oso_objfile->GetModule());
80 Symtab *oso_symtab = oso_objfile->GetSymtab();
82 /// const uint32_t fun_resolve_flags = SymbolContext::Module |
83 /// eSymbolContextCompUnit | eSymbolContextFunction;
84 // SectionList *oso_sections = oso_objfile->Sections();
85 // Now we need to make sections that map from zero based object file
86 // addresses to where things ended up in the main executable.
88 assert(comp_unit_info->first_symbol_index != UINT32_MAX);
89 // End index is one past the last valid symbol index
90 const uint32_t oso_end_idx = comp_unit_info->last_symbol_index + 1;
91 for (uint32_t idx = comp_unit_info->first_symbol_index +
92 2; // Skip the N_SO and N_OSO
95 Symbol *exe_symbol = exe_symtab->SymbolAtIndex(idx);
97 if (exe_symbol->IsDebug() == false)
100 switch (exe_symbol->GetType()) {
104 case eSymbolTypeCode: {
105 // For each N_FUN, or function that we run into in the debug map we
106 // make a new section that we add to the sections found in the .o
107 // file. This new section has the file address set to what the
108 // addresses are in the .o file, and the load address is adjusted
109 // to match where it ended up in the final executable! We do this
110 // before we parse any dwarf info so that when it goes get parsed
111 // all section/offset addresses that get registered will resolve
112 // correctly to the new addresses in the main executable.
114 // First we find the original symbol in the .o file's symbol table
115 Symbol *oso_fun_symbol = oso_symtab->FindFirstSymbolWithNameAndType(
116 exe_symbol->GetMangled().GetName(lldb::eLanguageTypeUnknown,
117 Mangled::ePreferMangled),
118 eSymbolTypeCode, Symtab::eDebugNo, Symtab::eVisibilityAny);
119 if (oso_fun_symbol) {
120 // Add the inverse OSO file address to debug map entry mapping
121 exe_symfile->AddOSOFileRange(
122 this, exe_symbol->GetAddressRef().GetFileAddress(),
123 exe_symbol->GetByteSize(),
124 oso_fun_symbol->GetAddressRef().GetFileAddress(),
125 oso_fun_symbol->GetByteSize());
129 case eSymbolTypeData: {
130 // For each N_GSYM we remap the address for the global by making a
131 // new section that we add to the sections found in the .o file.
132 // This new section has the file address set to what the addresses
133 // are in the .o file, and the load address is adjusted to match
134 // where it ended up in the final executable! We do this before we
135 // parse any dwarf info so that when it goes get parsed all
136 // section/offset addresses that get registered will resolve
137 // correctly to the new addresses in the main executable. We
138 // initially set the section size to be 1 byte, but will need to
139 // fix up these addresses further after all globals have been
140 // parsed to span the gaps, or we can find the global variable
141 // sizes from the DWARF info as we are parsing.
143 // Next we find the non-stab entry that corresponds to the N_GSYM
145 Symbol *oso_gsym_symbol =
146 oso_symtab->FindFirstSymbolWithNameAndType(
147 exe_symbol->GetMangled().GetName(lldb::eLanguageTypeUnknown,
148 Mangled::ePreferMangled),
149 eSymbolTypeData, Symtab::eDebugNo, Symtab::eVisibilityAny);
150 if (exe_symbol && oso_gsym_symbol && exe_symbol->ValueIsAddress() &&
151 oso_gsym_symbol->ValueIsAddress()) {
152 // Add the inverse OSO file address to debug map entry mapping
153 exe_symfile->AddOSOFileRange(
154 this, exe_symbol->GetAddressRef().GetFileAddress(),
155 exe_symbol->GetByteSize(),
156 oso_gsym_symbol->GetAddressRef().GetFileAddress(),
157 oso_gsym_symbol->GetByteSize());
164 exe_symfile->FinalizeOSOFileRanges(this);
165 // We don't need the symbols anymore for the .o files
166 oso_objfile->ClearSymtab();
169 return file_range_map;
172 class DebugMapModule : public Module {
174 DebugMapModule(const ModuleSP &exe_module_sp, uint32_t cu_idx,
175 const FileSpec &file_spec, const ArchSpec &arch,
176 const ConstString *object_name, off_t object_offset,
177 const llvm::sys::TimePoint<> object_mod_time)
178 : Module(file_spec, arch, object_name, object_offset, object_mod_time),
179 m_exe_module_wp(exe_module_sp), m_cu_idx(cu_idx) {}
181 ~DebugMapModule() override = default;
184 GetSymbolVendor(bool can_create = true,
185 lldb_private::Stream *feedback_strm = NULL) override {
187 if (m_symfile_ap.get() || can_create == false)
188 return m_symfile_ap.get();
190 ModuleSP exe_module_sp(m_exe_module_wp.lock());
192 // Now get the object file outside of a locking scope
193 ObjectFile *oso_objfile = GetObjectFile();
195 std::lock_guard<std::recursive_mutex> guard(m_mutex);
196 SymbolVendor *symbol_vendor =
197 Module::GetSymbolVendor(can_create, feedback_strm);
199 // Set a pointer to this class to set our OSO DWARF file know that
200 // the DWARF is being used along with a debug map and that it will
201 // have the remapped sections that we do below.
202 SymbolFileDWARF *oso_symfile =
203 SymbolFileDWARFDebugMap::GetSymbolFileAsSymbolFileDWARF(
204 symbol_vendor->GetSymbolFile());
209 ObjectFile *exe_objfile = exe_module_sp->GetObjectFile();
210 SymbolVendor *exe_sym_vendor = exe_module_sp->GetSymbolVendor();
212 if (exe_objfile && exe_sym_vendor) {
213 oso_symfile->SetDebugMapModule(exe_module_sp);
214 // Set the ID of the symbol file DWARF to the index of the OSO
215 // shifted left by 32 bits to provide a unique prefix for any
216 // UserID's that get created in the symbol file.
217 oso_symfile->SetID(((uint64_t)m_cu_idx + 1ull) << 32ull);
219 return symbol_vendor;
227 ModuleWP m_exe_module_wp;
228 const uint32_t m_cu_idx;
231 void SymbolFileDWARFDebugMap::Initialize() {
232 PluginManager::RegisterPlugin(GetPluginNameStatic(),
233 GetPluginDescriptionStatic(), CreateInstance);
236 void SymbolFileDWARFDebugMap::Terminate() {
237 PluginManager::UnregisterPlugin(CreateInstance);
240 lldb_private::ConstString SymbolFileDWARFDebugMap::GetPluginNameStatic() {
241 static ConstString g_name("dwarf-debugmap");
245 const char *SymbolFileDWARFDebugMap::GetPluginDescriptionStatic() {
246 return "DWARF and DWARF3 debug symbol file reader (debug map).";
249 SymbolFile *SymbolFileDWARFDebugMap::CreateInstance(ObjectFile *obj_file) {
250 return new SymbolFileDWARFDebugMap(obj_file);
253 SymbolFileDWARFDebugMap::SymbolFileDWARFDebugMap(ObjectFile *ofile)
254 : SymbolFile(ofile), m_flags(), m_compile_unit_infos(), m_func_indexes(),
256 m_supports_DW_AT_APPLE_objc_complete_type(eLazyBoolCalculate) {}
258 SymbolFileDWARFDebugMap::~SymbolFileDWARFDebugMap() {}
260 void SymbolFileDWARFDebugMap::InitializeObject() {}
262 void SymbolFileDWARFDebugMap::InitOSO() {
263 if (m_flags.test(kHaveInitializedOSOs))
266 m_flags.set(kHaveInitializedOSOs);
268 // If the object file has been stripped, there is no sense in looking further
269 // as all of the debug symbols for the debug map will not be available
270 if (m_obj_file->IsStripped())
273 // Also make sure the file type is some sort of executable. Core files, debug
274 // info files (dSYM), object files (.o files), and stub libraries all can
275 switch (m_obj_file->GetType()) {
276 case ObjectFile::eTypeInvalid:
277 case ObjectFile::eTypeCoreFile:
278 case ObjectFile::eTypeDebugInfo:
279 case ObjectFile::eTypeObjectFile:
280 case ObjectFile::eTypeStubLibrary:
281 case ObjectFile::eTypeUnknown:
282 case ObjectFile::eTypeJIT:
285 case ObjectFile::eTypeExecutable:
286 case ObjectFile::eTypeDynamicLinker:
287 case ObjectFile::eTypeSharedLibrary:
291 // In order to get the abilities of this plug-in, we look at the list of
292 // N_OSO entries (object files) from the symbol table and make sure that
293 // these files exist and also contain valid DWARF. If we get any of that then
294 // we return the abilities of the first N_OSO's DWARF.
296 Symtab *symtab = m_obj_file->GetSymtab();
298 Log *log(LogChannelDWARF::GetLogIfAll(DWARF_LOG_DEBUG_MAP));
300 std::vector<uint32_t> oso_indexes;
301 // When a mach-o symbol is encoded, the n_type field is encoded in bits
302 // 23:16, and the n_desc field is encoded in bits 15:0.
304 // To find all N_OSO entries that are part of the DWARF + debug map we find
305 // only object file symbols with the flags value as follows: bits 23:16 ==
306 // 0x66 (N_OSO) bits 15: 0 == 0x0001 (specifies this is a debug map object
308 const uint32_t k_oso_symbol_flags_value = 0x660001u;
310 const uint32_t oso_index_count =
311 symtab->AppendSymbolIndexesWithTypeAndFlagsValue(
312 eSymbolTypeObjectFile, k_oso_symbol_flags_value, oso_indexes);
314 if (oso_index_count > 0) {
315 symtab->AppendSymbolIndexesWithType(eSymbolTypeCode, Symtab::eDebugYes,
316 Symtab::eVisibilityAny,
318 symtab->AppendSymbolIndexesWithType(eSymbolTypeData, Symtab::eDebugYes,
319 Symtab::eVisibilityAny,
322 symtab->SortSymbolIndexesByValue(m_func_indexes, true);
323 symtab->SortSymbolIndexesByValue(m_glob_indexes, true);
325 for (uint32_t sym_idx : m_func_indexes) {
326 const Symbol *symbol = symtab->SymbolAtIndex(sym_idx);
327 lldb::addr_t file_addr = symbol->GetAddressRef().GetFileAddress();
328 lldb::addr_t byte_size = symbol->GetByteSize();
329 DebugMap::Entry debug_map_entry(
330 file_addr, byte_size, OSOEntry(sym_idx, LLDB_INVALID_ADDRESS));
331 m_debug_map.Append(debug_map_entry);
333 for (uint32_t sym_idx : m_glob_indexes) {
334 const Symbol *symbol = symtab->SymbolAtIndex(sym_idx);
335 lldb::addr_t file_addr = symbol->GetAddressRef().GetFileAddress();
336 lldb::addr_t byte_size = symbol->GetByteSize();
337 DebugMap::Entry debug_map_entry(
338 file_addr, byte_size, OSOEntry(sym_idx, LLDB_INVALID_ADDRESS));
339 m_debug_map.Append(debug_map_entry);
343 m_compile_unit_infos.resize(oso_index_count);
345 for (uint32_t i = 0; i < oso_index_count; ++i) {
346 const uint32_t so_idx = oso_indexes[i] - 1;
347 const uint32_t oso_idx = oso_indexes[i];
348 const Symbol *so_symbol = symtab->SymbolAtIndex(so_idx);
349 const Symbol *oso_symbol = symtab->SymbolAtIndex(oso_idx);
350 if (so_symbol && oso_symbol &&
351 so_symbol->GetType() == eSymbolTypeSourceFile &&
352 oso_symbol->GetType() == eSymbolTypeObjectFile) {
353 m_compile_unit_infos[i].so_file.SetFile(
354 so_symbol->GetName().AsCString(), false, FileSpec::Style::native);
355 m_compile_unit_infos[i].oso_path = oso_symbol->GetName();
356 m_compile_unit_infos[i].oso_mod_time =
357 llvm::sys::toTimePoint(oso_symbol->GetIntegerValue(0));
358 uint32_t sibling_idx = so_symbol->GetSiblingIndex();
359 // The sibling index can't be less that or equal to the current index
361 if (sibling_idx == UINT32_MAX) {
362 m_obj_file->GetModule()->ReportError(
363 "N_SO in symbol with UID %u has invalid sibling in debug map, "
364 "please file a bug and attach the binary listed in this error",
367 const Symbol *last_symbol = symtab->SymbolAtIndex(sibling_idx - 1);
368 m_compile_unit_infos[i].first_symbol_index = so_idx;
369 m_compile_unit_infos[i].last_symbol_index = sibling_idx - 1;
370 m_compile_unit_infos[i].first_symbol_id = so_symbol->GetID();
371 m_compile_unit_infos[i].last_symbol_id = last_symbol->GetID();
374 log->Printf("Initialized OSO 0x%8.8x: file=%s", i,
375 oso_symbol->GetName().GetCString());
378 if (oso_symbol == NULL)
379 m_obj_file->GetModule()->ReportError(
380 "N_OSO symbol[%u] can't be found, please file a bug and attach "
381 "the binary listed in this error",
383 else if (so_symbol == NULL)
384 m_obj_file->GetModule()->ReportError(
385 "N_SO not found for N_OSO symbol[%u], please file a bug and "
386 "attach the binary listed in this error",
388 else if (so_symbol->GetType() != eSymbolTypeSourceFile)
389 m_obj_file->GetModule()->ReportError(
390 "N_SO has incorrect symbol type (%u) for N_OSO symbol[%u], "
391 "please file a bug and attach the binary listed in this error",
392 so_symbol->GetType(), oso_idx);
393 else if (oso_symbol->GetType() != eSymbolTypeSourceFile)
394 m_obj_file->GetModule()->ReportError(
395 "N_OSO has incorrect symbol type (%u) for N_OSO symbol[%u], "
396 "please file a bug and attach the binary listed in this error",
397 oso_symbol->GetType(), oso_idx);
404 Module *SymbolFileDWARFDebugMap::GetModuleByOSOIndex(uint32_t oso_idx) {
405 const uint32_t cu_count = GetNumCompileUnits();
406 if (oso_idx < cu_count)
407 return GetModuleByCompUnitInfo(&m_compile_unit_infos[oso_idx]);
411 Module *SymbolFileDWARFDebugMap::GetModuleByCompUnitInfo(
412 CompileUnitInfo *comp_unit_info) {
413 if (!comp_unit_info->oso_sp) {
414 auto pos = m_oso_map.find(
415 {comp_unit_info->oso_path, comp_unit_info->oso_mod_time});
416 if (pos != m_oso_map.end()) {
417 comp_unit_info->oso_sp = pos->second;
419 ObjectFile *obj_file = GetObjectFile();
420 comp_unit_info->oso_sp.reset(new OSOInfo());
421 m_oso_map[{comp_unit_info->oso_path, comp_unit_info->oso_mod_time}] =
422 comp_unit_info->oso_sp;
423 const char *oso_path = comp_unit_info->oso_path.GetCString();
424 FileSpec oso_file(oso_path, false);
425 ConstString oso_object;
426 if (oso_file.Exists()) {
427 auto oso_mod_time = FileSystem::GetModificationTime(oso_file);
428 if (oso_mod_time != comp_unit_info->oso_mod_time) {
429 obj_file->GetModule()->ReportError(
430 "debug map object file '%s' has changed (actual time is "
431 "%s, debug map time is %s"
432 ") since this executable was linked, file will be ignored",
433 oso_file.GetPath().c_str(), llvm::to_string(oso_mod_time).c_str(),
434 llvm::to_string(comp_unit_info->oso_mod_time).c_str());
439 const bool must_exist = true;
441 if (!ObjectFile::SplitArchivePathWithObject(oso_path, oso_file,
442 oso_object, must_exist)) {
446 // Always create a new module for .o files. Why? Because we use the debug
447 // map, to add new sections to each .o file and even though a .o file
448 // might not have changed, the sections that get added to the .o file can
451 // Only adopt the architecture from the module (not the vendor or OS)
452 // since .o files for "i386-apple-ios" will historically show up as "i386
453 // -apple-macosx" due to the lack of a LC_VERSION_MIN_MACOSX or
454 // LC_VERSION_MIN_IPHONEOS load command...
455 oso_arch.SetTriple(m_obj_file->GetModule()
461 comp_unit_info->oso_sp->module_sp.reset(new DebugMapModule(
462 obj_file->GetModule(), GetCompUnitInfoIndex(comp_unit_info), oso_file,
463 oso_arch, oso_object ? &oso_object : NULL, 0,
464 oso_object ? comp_unit_info->oso_mod_time
465 : llvm::sys::TimePoint<>()));
468 if (comp_unit_info->oso_sp)
469 return comp_unit_info->oso_sp->module_sp.get();
473 bool SymbolFileDWARFDebugMap::GetFileSpecForSO(uint32_t oso_idx,
474 FileSpec &file_spec) {
475 if (oso_idx < m_compile_unit_infos.size()) {
476 if (m_compile_unit_infos[oso_idx].so_file) {
477 file_spec = m_compile_unit_infos[oso_idx].so_file;
484 ObjectFile *SymbolFileDWARFDebugMap::GetObjectFileByOSOIndex(uint32_t oso_idx) {
485 Module *oso_module = GetModuleByOSOIndex(oso_idx);
487 return oso_module->GetObjectFile();
492 SymbolFileDWARFDebugMap::GetSymbolFile(const SymbolContext &sc) {
493 CompileUnitInfo *comp_unit_info = GetCompUnitInfo(sc);
495 return GetSymbolFileByCompUnitInfo(comp_unit_info);
499 ObjectFile *SymbolFileDWARFDebugMap::GetObjectFileByCompUnitInfo(
500 CompileUnitInfo *comp_unit_info) {
501 Module *oso_module = GetModuleByCompUnitInfo(comp_unit_info);
503 return oso_module->GetObjectFile();
507 uint32_t SymbolFileDWARFDebugMap::GetCompUnitInfoIndex(
508 const CompileUnitInfo *comp_unit_info) {
509 if (!m_compile_unit_infos.empty()) {
510 const CompileUnitInfo *first_comp_unit_info = &m_compile_unit_infos.front();
511 const CompileUnitInfo *last_comp_unit_info = &m_compile_unit_infos.back();
512 if (first_comp_unit_info <= comp_unit_info &&
513 comp_unit_info <= last_comp_unit_info)
514 return comp_unit_info - first_comp_unit_info;
520 SymbolFileDWARFDebugMap::GetSymbolFileByOSOIndex(uint32_t oso_idx) {
521 if (oso_idx < m_compile_unit_infos.size())
522 return GetSymbolFileByCompUnitInfo(&m_compile_unit_infos[oso_idx]);
527 SymbolFileDWARFDebugMap::GetSymbolFileAsSymbolFileDWARF(SymbolFile *sym_file) {
529 sym_file->GetPluginName() == SymbolFileDWARF::GetPluginNameStatic())
530 return (SymbolFileDWARF *)sym_file;
534 SymbolFileDWARF *SymbolFileDWARFDebugMap::GetSymbolFileByCompUnitInfo(
535 CompileUnitInfo *comp_unit_info) {
536 Module *oso_module = GetModuleByCompUnitInfo(comp_unit_info);
538 SymbolVendor *sym_vendor = oso_module->GetSymbolVendor();
540 return GetSymbolFileAsSymbolFileDWARF(sym_vendor->GetSymbolFile());
545 uint32_t SymbolFileDWARFDebugMap::CalculateAbilities() {
546 // In order to get the abilities of this plug-in, we look at the list of
547 // N_OSO entries (object files) from the symbol table and make sure that
548 // these files exist and also contain valid DWARF. If we get any of that then
549 // we return the abilities of the first N_OSO's DWARF.
551 const uint32_t oso_index_count = GetNumCompileUnits();
552 if (oso_index_count > 0) {
554 if (!m_compile_unit_infos.empty()) {
555 return SymbolFile::CompileUnits | SymbolFile::Functions |
556 SymbolFile::Blocks | SymbolFile::GlobalVariables |
557 SymbolFile::LocalVariables | SymbolFile::VariableTypes |
558 SymbolFile::LineTables;
564 uint32_t SymbolFileDWARFDebugMap::GetNumCompileUnits() {
566 return m_compile_unit_infos.size();
569 CompUnitSP SymbolFileDWARFDebugMap::ParseCompileUnitAtIndex(uint32_t cu_idx) {
570 CompUnitSP comp_unit_sp;
571 const uint32_t cu_count = GetNumCompileUnits();
573 if (cu_idx < cu_count) {
574 Module *oso_module = GetModuleByCompUnitInfo(&m_compile_unit_infos[cu_idx]);
576 FileSpec so_file_spec;
577 if (GetFileSpecForSO(cu_idx, so_file_spec)) {
578 // User zero as the ID to match the compile unit at offset zero in each
579 // .o file since each .o file can only have one compile unit for now.
580 lldb::user_id_t cu_id = 0;
581 m_compile_unit_infos[cu_idx].compile_unit_sp.reset(
582 new CompileUnit(m_obj_file->GetModule(), NULL, so_file_spec, cu_id,
583 eLanguageTypeUnknown, eLazyBoolCalculate));
585 if (m_compile_unit_infos[cu_idx].compile_unit_sp) {
586 // Let our symbol vendor know about this compile unit
587 m_obj_file->GetModule()->GetSymbolVendor()->SetCompileUnitAtIndex(
588 cu_idx, m_compile_unit_infos[cu_idx].compile_unit_sp);
592 comp_unit_sp = m_compile_unit_infos[cu_idx].compile_unit_sp;
598 SymbolFileDWARFDebugMap::CompileUnitInfo *
599 SymbolFileDWARFDebugMap::GetCompUnitInfo(const SymbolContext &sc) {
600 const uint32_t cu_count = GetNumCompileUnits();
601 for (uint32_t i = 0; i < cu_count; ++i) {
602 if (sc.comp_unit == m_compile_unit_infos[i].compile_unit_sp.get())
603 return &m_compile_unit_infos[i];
608 size_t SymbolFileDWARFDebugMap::GetCompUnitInfosForModule(
609 const lldb_private::Module *module,
610 std::vector<CompileUnitInfo *> &cu_infos) {
611 const uint32_t cu_count = GetNumCompileUnits();
612 for (uint32_t i = 0; i < cu_count; ++i) {
613 if (module == GetModuleByCompUnitInfo(&m_compile_unit_infos[i]))
614 cu_infos.push_back(&m_compile_unit_infos[i]);
616 return cu_infos.size();
620 SymbolFileDWARFDebugMap::ParseCompileUnitLanguage(const SymbolContext &sc) {
621 SymbolFileDWARF *oso_dwarf = GetSymbolFile(sc);
623 return oso_dwarf->ParseCompileUnitLanguage(sc);
624 return eLanguageTypeUnknown;
628 SymbolFileDWARFDebugMap::ParseCompileUnitFunctions(const SymbolContext &sc) {
629 SymbolFileDWARF *oso_dwarf = GetSymbolFile(sc);
631 return oso_dwarf->ParseCompileUnitFunctions(sc);
635 bool SymbolFileDWARFDebugMap::ParseCompileUnitLineTable(
636 const SymbolContext &sc) {
637 SymbolFileDWARF *oso_dwarf = GetSymbolFile(sc);
639 return oso_dwarf->ParseCompileUnitLineTable(sc);
643 bool SymbolFileDWARFDebugMap::ParseCompileUnitDebugMacros(
644 const SymbolContext &sc) {
645 SymbolFileDWARF *oso_dwarf = GetSymbolFile(sc);
647 return oso_dwarf->ParseCompileUnitDebugMacros(sc);
651 bool SymbolFileDWARFDebugMap::ParseCompileUnitSupportFiles(
652 const SymbolContext &sc, FileSpecList &support_files) {
653 SymbolFileDWARF *oso_dwarf = GetSymbolFile(sc);
655 return oso_dwarf->ParseCompileUnitSupportFiles(sc, support_files);
659 bool SymbolFileDWARFDebugMap::ParseCompileUnitIsOptimized(
660 const lldb_private::SymbolContext &sc) {
661 SymbolFileDWARF *oso_dwarf = GetSymbolFile(sc);
663 return oso_dwarf->ParseCompileUnitIsOptimized(sc);
667 bool SymbolFileDWARFDebugMap::ParseImportedModules(
668 const SymbolContext &sc, std::vector<ConstString> &imported_modules) {
669 SymbolFileDWARF *oso_dwarf = GetSymbolFile(sc);
671 return oso_dwarf->ParseImportedModules(sc, imported_modules);
675 size_t SymbolFileDWARFDebugMap::ParseFunctionBlocks(const SymbolContext &sc) {
676 SymbolFileDWARF *oso_dwarf = GetSymbolFile(sc);
678 return oso_dwarf->ParseFunctionBlocks(sc);
682 size_t SymbolFileDWARFDebugMap::ParseTypes(const SymbolContext &sc) {
683 SymbolFileDWARF *oso_dwarf = GetSymbolFile(sc);
685 return oso_dwarf->ParseTypes(sc);
690 SymbolFileDWARFDebugMap::ParseVariablesForContext(const SymbolContext &sc) {
691 SymbolFileDWARF *oso_dwarf = GetSymbolFile(sc);
693 return oso_dwarf->ParseVariablesForContext(sc);
697 Type *SymbolFileDWARFDebugMap::ResolveTypeUID(lldb::user_id_t type_uid) {
698 const uint64_t oso_idx = GetOSOIndexFromUserID(type_uid);
699 SymbolFileDWARF *oso_dwarf = GetSymbolFileByOSOIndex(oso_idx);
701 return oso_dwarf->ResolveTypeUID(type_uid);
705 bool SymbolFileDWARFDebugMap::CompleteType(CompilerType &compiler_type) {
706 bool success = false;
708 ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool {
709 if (oso_dwarf->HasForwardDeclForClangType(compiler_type)) {
710 oso_dwarf->CompleteType(compiler_type);
720 uint32_t SymbolFileDWARFDebugMap::ResolveSymbolContext(
721 const Address &exe_so_addr, uint32_t resolve_scope, SymbolContext &sc) {
722 uint32_t resolved_flags = 0;
723 Symtab *symtab = m_obj_file->GetSymtab();
725 const addr_t exe_file_addr = exe_so_addr.GetFileAddress();
727 const DebugMap::Entry *debug_map_entry =
728 m_debug_map.FindEntryThatContains(exe_file_addr);
729 if (debug_map_entry) {
732 symtab->SymbolAtIndex(debug_map_entry->data.GetExeSymbolIndex());
734 if (sc.symbol != NULL) {
735 resolved_flags |= eSymbolContextSymbol;
737 uint32_t oso_idx = 0;
738 CompileUnitInfo *comp_unit_info =
739 GetCompileUnitInfoForSymbolWithID(sc.symbol->GetID(), &oso_idx);
740 if (comp_unit_info) {
741 comp_unit_info->GetFileRangeMap(this);
742 Module *oso_module = GetModuleByCompUnitInfo(comp_unit_info);
744 lldb::addr_t oso_file_addr =
745 exe_file_addr - debug_map_entry->GetRangeBase() +
746 debug_map_entry->data.GetOSOFileAddress();
748 if (oso_module->ResolveFileAddress(oso_file_addr, oso_so_addr)) {
750 oso_module->GetSymbolVendor()->ResolveSymbolContext(
751 oso_so_addr, resolve_scope, sc);
758 return resolved_flags;
761 uint32_t SymbolFileDWARFDebugMap::ResolveSymbolContext(
762 const FileSpec &file_spec, uint32_t line, bool check_inlines,
763 uint32_t resolve_scope, SymbolContextList &sc_list) {
764 const uint32_t initial = sc_list.GetSize();
765 const uint32_t cu_count = GetNumCompileUnits();
767 for (uint32_t i = 0; i < cu_count; ++i) {
768 // If we are checking for inlines, then we need to look through all compile
769 // units no matter if "file_spec" matches.
770 bool resolve = check_inlines;
773 FileSpec so_file_spec;
774 if (GetFileSpecForSO(i, so_file_spec)) {
775 // Match the full path if the incoming file_spec has a directory (not
777 const bool full_match = (bool)file_spec.GetDirectory();
778 resolve = FileSpec::Equal(file_spec, so_file_spec, full_match);
782 SymbolFileDWARF *oso_dwarf = GetSymbolFileByOSOIndex(i);
784 oso_dwarf->ResolveSymbolContext(file_spec, line, check_inlines,
785 resolve_scope, sc_list);
788 return sc_list.GetSize() - initial;
791 uint32_t SymbolFileDWARFDebugMap::PrivateFindGlobalVariables(
792 const ConstString &name, const CompilerDeclContext *parent_decl_ctx,
793 const std::vector<uint32_t>
794 &indexes, // Indexes into the symbol table that match "name"
795 uint32_t max_matches,
796 VariableList &variables) {
797 const uint32_t original_size = variables.GetSize();
798 const size_t match_count = indexes.size();
799 for (size_t i = 0; i < match_count; ++i) {
801 CompileUnitInfo *comp_unit_info =
802 GetCompileUnitInfoForSymbolWithIndex(indexes[i], &oso_idx);
803 if (comp_unit_info) {
804 SymbolFileDWARF *oso_dwarf = GetSymbolFileByOSOIndex(oso_idx);
806 if (oso_dwarf->FindGlobalVariables(name, parent_decl_ctx, max_matches,
808 if (variables.GetSize() > max_matches)
813 return variables.GetSize() - original_size;
816 uint32_t SymbolFileDWARFDebugMap::FindGlobalVariables(
817 const ConstString &name, const CompilerDeclContext *parent_decl_ctx,
818 uint32_t max_matches, VariableList &variables) {
820 // Remember how many variables are in the list before we search.
821 const uint32_t original_size = variables.GetSize();
823 uint32_t total_matches = 0;
825 ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool {
826 const uint32_t oso_matches = oso_dwarf->FindGlobalVariables(
827 name, parent_decl_ctx, max_matches, variables);
828 if (oso_matches > 0) {
829 total_matches += oso_matches;
831 // Are we getting all matches?
832 if (max_matches == UINT32_MAX)
833 return false; // Yep, continue getting everything
835 // If we have found enough matches, lets get out
836 if (max_matches >= total_matches)
839 // Update the max matches for any subsequent calls to find globals in any
840 // other object files with DWARF
841 max_matches -= oso_matches;
847 // Return the number of variable that were appended to the list
848 return variables.GetSize() - original_size;
852 SymbolFileDWARFDebugMap::FindGlobalVariables(const RegularExpression ®ex,
853 uint32_t max_matches,
854 VariableList &variables) {
855 // Remember how many variables are in the list before we search.
856 const uint32_t original_size = variables.GetSize();
858 uint32_t total_matches = 0;
859 ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool {
860 const uint32_t oso_matches =
861 oso_dwarf->FindGlobalVariables(regex, max_matches, variables);
862 if (oso_matches > 0) {
863 total_matches += oso_matches;
865 // Are we getting all matches?
866 if (max_matches == UINT32_MAX)
867 return false; // Yep, continue getting everything
869 // If we have found enough matches, lets get out
870 if (max_matches >= total_matches)
873 // Update the max matches for any subsequent calls to find globals in any
874 // other object files with DWARF
875 max_matches -= oso_matches;
881 // Return the number of variable that were appended to the list
882 return variables.GetSize() - original_size;
885 int SymbolFileDWARFDebugMap::SymbolContainsSymbolWithIndex(
886 uint32_t *symbol_idx_ptr, const CompileUnitInfo *comp_unit_info) {
887 const uint32_t symbol_idx = *symbol_idx_ptr;
889 if (symbol_idx < comp_unit_info->first_symbol_index)
892 if (symbol_idx <= comp_unit_info->last_symbol_index)
898 int SymbolFileDWARFDebugMap::SymbolContainsSymbolWithID(
899 user_id_t *symbol_idx_ptr, const CompileUnitInfo *comp_unit_info) {
900 const user_id_t symbol_id = *symbol_idx_ptr;
902 if (symbol_id < comp_unit_info->first_symbol_id)
905 if (symbol_id <= comp_unit_info->last_symbol_id)
911 SymbolFileDWARFDebugMap::CompileUnitInfo *
912 SymbolFileDWARFDebugMap::GetCompileUnitInfoForSymbolWithIndex(
913 uint32_t symbol_idx, uint32_t *oso_idx_ptr) {
914 const uint32_t oso_index_count = m_compile_unit_infos.size();
915 CompileUnitInfo *comp_unit_info = NULL;
916 if (oso_index_count) {
917 comp_unit_info = (CompileUnitInfo *)bsearch(
918 &symbol_idx, &m_compile_unit_infos[0], m_compile_unit_infos.size(),
919 sizeof(CompileUnitInfo),
920 (ComparisonFunction)SymbolContainsSymbolWithIndex);
924 if (comp_unit_info != NULL)
925 *oso_idx_ptr = comp_unit_info - &m_compile_unit_infos[0];
927 *oso_idx_ptr = UINT32_MAX;
929 return comp_unit_info;
932 SymbolFileDWARFDebugMap::CompileUnitInfo *
933 SymbolFileDWARFDebugMap::GetCompileUnitInfoForSymbolWithID(
934 user_id_t symbol_id, uint32_t *oso_idx_ptr) {
935 const uint32_t oso_index_count = m_compile_unit_infos.size();
936 CompileUnitInfo *comp_unit_info = NULL;
937 if (oso_index_count) {
938 comp_unit_info = (CompileUnitInfo *)::bsearch(
939 &symbol_id, &m_compile_unit_infos[0], m_compile_unit_infos.size(),
940 sizeof(CompileUnitInfo),
941 (ComparisonFunction)SymbolContainsSymbolWithID);
945 if (comp_unit_info != NULL)
946 *oso_idx_ptr = comp_unit_info - &m_compile_unit_infos[0];
948 *oso_idx_ptr = UINT32_MAX;
950 return comp_unit_info;
953 static void RemoveFunctionsWithModuleNotEqualTo(const ModuleSP &module_sp,
954 SymbolContextList &sc_list,
955 uint32_t start_idx) {
956 // We found functions in .o files. Not all functions in the .o files will
957 // have made it into the final output file. The ones that did make it into
958 // the final output file will have a section whose module matches the module
959 // from the ObjectFile for this SymbolFile. When the modules don't match,
960 // then we have something that was in a .o file, but doesn't map to anything
961 // in the final executable.
962 uint32_t i = start_idx;
963 while (i < sc_list.GetSize()) {
965 sc_list.GetContextAtIndex(i, sc);
967 const SectionSP section_sp(
968 sc.function->GetAddressRange().GetBaseAddress().GetSection());
969 if (section_sp->GetModule() != module_sp) {
970 sc_list.RemoveContextAtIndex(i);
978 uint32_t SymbolFileDWARFDebugMap::FindFunctions(
979 const ConstString &name, const CompilerDeclContext *parent_decl_ctx,
980 uint32_t name_type_mask, bool include_inlines, bool append,
981 SymbolContextList &sc_list) {
982 static Timer::Category func_cat(LLVM_PRETTY_FUNCTION);
983 Timer scoped_timer(func_cat,
984 "SymbolFileDWARFDebugMap::FindFunctions (name = %s)",
987 uint32_t initial_size = 0;
989 initial_size = sc_list.GetSize();
993 ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool {
994 uint32_t sc_idx = sc_list.GetSize();
995 if (oso_dwarf->FindFunctions(name, parent_decl_ctx, name_type_mask,
996 include_inlines, true, sc_list)) {
997 RemoveFunctionsWithModuleNotEqualTo(m_obj_file->GetModule(), sc_list,
1003 return sc_list.GetSize() - initial_size;
1006 uint32_t SymbolFileDWARFDebugMap::FindFunctions(const RegularExpression ®ex,
1007 bool include_inlines,
1009 SymbolContextList &sc_list) {
1010 static Timer::Category func_cat(LLVM_PRETTY_FUNCTION);
1011 Timer scoped_timer(func_cat,
1012 "SymbolFileDWARFDebugMap::FindFunctions (regex = '%s')",
1013 regex.GetText().str().c_str());
1015 uint32_t initial_size = 0;
1017 initial_size = sc_list.GetSize();
1021 ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool {
1022 uint32_t sc_idx = sc_list.GetSize();
1024 if (oso_dwarf->FindFunctions(regex, include_inlines, true, sc_list)) {
1025 RemoveFunctionsWithModuleNotEqualTo(m_obj_file->GetModule(), sc_list,
1031 return sc_list.GetSize() - initial_size;
1034 size_t SymbolFileDWARFDebugMap::GetTypes(SymbolContextScope *sc_scope,
1036 TypeList &type_list) {
1037 static Timer::Category func_cat(LLVM_PRETTY_FUNCTION);
1038 Timer scoped_timer(func_cat,
1039 "SymbolFileDWARFDebugMap::GetTypes (type_mask = 0x%8.8x)",
1042 uint32_t initial_size = type_list.GetSize();
1043 SymbolFileDWARF *oso_dwarf = NULL;
1046 sc_scope->CalculateSymbolContext(&sc);
1048 CompileUnitInfo *cu_info = GetCompUnitInfo(sc);
1050 oso_dwarf = GetSymbolFileByCompUnitInfo(cu_info);
1052 oso_dwarf->GetTypes(sc_scope, type_mask, type_list);
1055 ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool {
1056 oso_dwarf->GetTypes(sc_scope, type_mask, type_list);
1060 return type_list.GetSize() - initial_size;
1063 TypeSP SymbolFileDWARFDebugMap::FindDefinitionTypeForDWARFDeclContext(
1064 const DWARFDeclContext &die_decl_ctx) {
1066 ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool {
1067 type_sp = oso_dwarf->FindDefinitionTypeForDWARFDeclContext(die_decl_ctx);
1068 return ((bool)type_sp);
1073 bool SymbolFileDWARFDebugMap::Supports_DW_AT_APPLE_objc_complete_type(
1074 SymbolFileDWARF *skip_dwarf_oso) {
1075 if (m_supports_DW_AT_APPLE_objc_complete_type == eLazyBoolCalculate) {
1076 m_supports_DW_AT_APPLE_objc_complete_type = eLazyBoolNo;
1077 ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool {
1078 if (skip_dwarf_oso != oso_dwarf &&
1079 oso_dwarf->Supports_DW_AT_APPLE_objc_complete_type(NULL)) {
1080 m_supports_DW_AT_APPLE_objc_complete_type = eLazyBoolYes;
1086 return m_supports_DW_AT_APPLE_objc_complete_type == eLazyBoolYes;
1089 TypeSP SymbolFileDWARFDebugMap::FindCompleteObjCDefinitionTypeForDIE(
1090 const DWARFDIE &die, const ConstString &type_name,
1091 bool must_be_implementation) {
1092 // If we have a debug map, we will have an Objective-C symbol whose name is
1093 // the type name and whose type is eSymbolTypeObjCClass. If we can find that
1094 // symbol and find its containing parent, we can locate the .o file that will
1095 // contain the implementation definition since it will be scoped inside the
1096 // N_SO and we can then locate the SymbolFileDWARF that corresponds to that
1098 SymbolFileDWARF *oso_dwarf = NULL;
1100 ObjectFile *module_objfile = m_obj_file->GetModule()->GetObjectFile();
1101 if (module_objfile) {
1102 Symtab *symtab = module_objfile->GetSymtab();
1104 Symbol *objc_class_symbol = symtab->FindFirstSymbolWithNameAndType(
1105 type_name, eSymbolTypeObjCClass, Symtab::eDebugAny,
1106 Symtab::eVisibilityAny);
1107 if (objc_class_symbol) {
1108 // Get the N_SO symbol that contains the objective C class symbol as
1109 // this should be the .o file that contains the real definition...
1110 const Symbol *source_file_symbol = symtab->GetParent(objc_class_symbol);
1112 if (source_file_symbol &&
1113 source_file_symbol->GetType() == eSymbolTypeSourceFile) {
1114 const uint32_t source_file_symbol_idx =
1115 symtab->GetIndexForSymbol(source_file_symbol);
1116 if (source_file_symbol_idx != UINT32_MAX) {
1117 CompileUnitInfo *compile_unit_info =
1118 GetCompileUnitInfoForSymbolWithIndex(source_file_symbol_idx,
1120 if (compile_unit_info) {
1121 oso_dwarf = GetSymbolFileByCompUnitInfo(compile_unit_info);
1123 TypeSP type_sp(oso_dwarf->FindCompleteObjCDefinitionTypeForDIE(
1124 die, type_name, must_be_implementation));
1136 // Only search all .o files for the definition if we don't need the
1137 // implementation because otherwise, with a valid debug map we should have
1138 // the ObjC class symbol and the code above should have found it.
1139 if (must_be_implementation == false) {
1142 ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool {
1143 type_sp = oso_dwarf->FindCompleteObjCDefinitionTypeForDIE(
1144 die, type_name, must_be_implementation);
1145 return (bool)type_sp;
1153 uint32_t SymbolFileDWARFDebugMap::FindTypes(
1154 const SymbolContext &sc, const ConstString &name,
1155 const CompilerDeclContext *parent_decl_ctx, bool append,
1156 uint32_t max_matches,
1157 llvm::DenseSet<lldb_private::SymbolFile *> &searched_symbol_files,
1162 const uint32_t initial_types_size = types.GetSize();
1163 SymbolFileDWARF *oso_dwarf;
1166 oso_dwarf = GetSymbolFile(sc);
1168 return oso_dwarf->FindTypes(sc, name, parent_decl_ctx, append,
1169 max_matches, searched_symbol_files, types);
1171 ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool {
1172 oso_dwarf->FindTypes(sc, name, parent_decl_ctx, append, max_matches,
1173 searched_symbol_files, types);
1174 if (types.GetSize() >= max_matches)
1181 return types.GetSize() - initial_types_size;
1186 // SymbolFileDWARFDebugMap::FindTypes (const SymbolContext& sc, const
1187 // RegularExpression& regex, bool append, uint32_t max_matches, Type::Encoding
1188 // encoding, lldb::user_id_t udt_uid, TypeList& types)
1190 // SymbolFileDWARF *oso_dwarf = GetSymbolFile (sc);
1192 // return oso_dwarf->FindTypes (sc, regex, append, max_matches, encoding,
1197 CompilerDeclContext SymbolFileDWARFDebugMap::FindNamespace(
1198 const lldb_private::SymbolContext &sc,
1199 const lldb_private::ConstString &name,
1200 const CompilerDeclContext *parent_decl_ctx) {
1201 CompilerDeclContext matching_namespace;
1202 SymbolFileDWARF *oso_dwarf;
1205 oso_dwarf = GetSymbolFile(sc);
1207 matching_namespace = oso_dwarf->FindNamespace(sc, name, parent_decl_ctx);
1209 ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool {
1210 matching_namespace = oso_dwarf->FindNamespace(sc, name, parent_decl_ctx);
1212 return (bool)matching_namespace;
1216 return matching_namespace;
1219 //------------------------------------------------------------------
1220 // PluginInterface protocol
1221 //------------------------------------------------------------------
1222 lldb_private::ConstString SymbolFileDWARFDebugMap::GetPluginName() {
1223 return GetPluginNameStatic();
1226 uint32_t SymbolFileDWARFDebugMap::GetPluginVersion() { return 1; }
1229 SymbolFileDWARFDebugMap::GetCompileUnit(SymbolFileDWARF *oso_dwarf) {
1231 const uint32_t cu_count = GetNumCompileUnits();
1232 for (uint32_t cu_idx = 0; cu_idx < cu_count; ++cu_idx) {
1233 SymbolFileDWARF *oso_symfile =
1234 GetSymbolFileByCompUnitInfo(&m_compile_unit_infos[cu_idx]);
1235 if (oso_symfile == oso_dwarf) {
1236 if (!m_compile_unit_infos[cu_idx].compile_unit_sp)
1237 m_compile_unit_infos[cu_idx].compile_unit_sp =
1238 ParseCompileUnitAtIndex(cu_idx);
1240 return m_compile_unit_infos[cu_idx].compile_unit_sp;
1244 llvm_unreachable("this shouldn't happen");
1247 SymbolFileDWARFDebugMap::CompileUnitInfo *
1248 SymbolFileDWARFDebugMap::GetCompileUnitInfo(SymbolFileDWARF *oso_dwarf) {
1250 const uint32_t cu_count = GetNumCompileUnits();
1251 for (uint32_t cu_idx = 0; cu_idx < cu_count; ++cu_idx) {
1252 SymbolFileDWARF *oso_symfile =
1253 GetSymbolFileByCompUnitInfo(&m_compile_unit_infos[cu_idx]);
1254 if (oso_symfile == oso_dwarf) {
1255 return &m_compile_unit_infos[cu_idx];
1262 void SymbolFileDWARFDebugMap::SetCompileUnit(SymbolFileDWARF *oso_dwarf,
1263 const CompUnitSP &cu_sp) {
1265 const uint32_t cu_count = GetNumCompileUnits();
1266 for (uint32_t cu_idx = 0; cu_idx < cu_count; ++cu_idx) {
1267 SymbolFileDWARF *oso_symfile =
1268 GetSymbolFileByCompUnitInfo(&m_compile_unit_infos[cu_idx]);
1269 if (oso_symfile == oso_dwarf) {
1270 if (m_compile_unit_infos[cu_idx].compile_unit_sp) {
1271 assert(m_compile_unit_infos[cu_idx].compile_unit_sp.get() ==
1274 m_compile_unit_infos[cu_idx].compile_unit_sp = cu_sp;
1275 m_obj_file->GetModule()->GetSymbolVendor()->SetCompileUnitAtIndex(
1284 SymbolFileDWARFDebugMap::GetDeclContextForUID(lldb::user_id_t type_uid) {
1285 const uint64_t oso_idx = GetOSOIndexFromUserID(type_uid);
1286 SymbolFileDWARF *oso_dwarf = GetSymbolFileByOSOIndex(oso_idx);
1288 return oso_dwarf->GetDeclContextForUID(type_uid);
1289 return CompilerDeclContext();
1293 SymbolFileDWARFDebugMap::GetDeclContextContainingUID(lldb::user_id_t type_uid) {
1294 const uint64_t oso_idx = GetOSOIndexFromUserID(type_uid);
1295 SymbolFileDWARF *oso_dwarf = GetSymbolFileByOSOIndex(oso_idx);
1297 return oso_dwarf->GetDeclContextContainingUID(type_uid);
1298 return CompilerDeclContext();
1301 void SymbolFileDWARFDebugMap::ParseDeclsForContext(
1302 lldb_private::CompilerDeclContext decl_ctx) {
1303 ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool {
1304 oso_dwarf->ParseDeclsForContext(decl_ctx);
1305 return true; // Keep iterating
1309 bool SymbolFileDWARFDebugMap::AddOSOFileRange(CompileUnitInfo *cu_info,
1310 lldb::addr_t exe_file_addr,
1311 lldb::addr_t exe_byte_size,
1312 lldb::addr_t oso_file_addr,
1313 lldb::addr_t oso_byte_size) {
1314 const uint32_t debug_map_idx =
1315 m_debug_map.FindEntryIndexThatContains(exe_file_addr);
1316 if (debug_map_idx != UINT32_MAX) {
1317 DebugMap::Entry *debug_map_entry =
1318 m_debug_map.FindEntryThatContains(exe_file_addr);
1319 debug_map_entry->data.SetOSOFileAddress(oso_file_addr);
1320 addr_t range_size = std::min<addr_t>(exe_byte_size, oso_byte_size);
1321 if (range_size == 0) {
1322 range_size = std::max<addr_t>(exe_byte_size, oso_byte_size);
1323 if (range_size == 0)
1326 cu_info->file_range_map.Append(
1327 FileRangeMap::Entry(oso_file_addr, range_size, exe_file_addr));
1333 void SymbolFileDWARFDebugMap::FinalizeOSOFileRanges(CompileUnitInfo *cu_info) {
1334 cu_info->file_range_map.Sort();
1335 #if defined(DEBUG_OSO_DMAP)
1336 const FileRangeMap &oso_file_range_map = cu_info->GetFileRangeMap(this);
1337 const size_t n = oso_file_range_map.GetSize();
1338 printf("SymbolFileDWARFDebugMap::FinalizeOSOFileRanges (cu_info = %p) %s\n",
1339 cu_info, cu_info->oso_sp->module_sp->GetFileSpec().GetPath().c_str());
1340 for (size_t i = 0; i < n; ++i) {
1341 const FileRangeMap::Entry &entry = oso_file_range_map.GetEntryRef(i);
1342 printf("oso [0x%16.16" PRIx64 " - 0x%16.16" PRIx64
1343 ") ==> exe [0x%16.16" PRIx64 " - 0x%16.16" PRIx64 ")\n",
1344 entry.GetRangeBase(), entry.GetRangeEnd(), entry.data,
1345 entry.data + entry.GetByteSize());
1351 SymbolFileDWARFDebugMap::LinkOSOFileAddress(SymbolFileDWARF *oso_symfile,
1352 lldb::addr_t oso_file_addr) {
1353 CompileUnitInfo *cu_info = GetCompileUnitInfo(oso_symfile);
1355 const FileRangeMap::Entry *oso_range_entry =
1356 cu_info->GetFileRangeMap(this).FindEntryThatContains(oso_file_addr);
1357 if (oso_range_entry) {
1358 const DebugMap::Entry *debug_map_entry =
1359 m_debug_map.FindEntryThatContains(oso_range_entry->data);
1360 if (debug_map_entry) {
1361 const lldb::addr_t offset =
1362 oso_file_addr - oso_range_entry->GetRangeBase();
1363 const lldb::addr_t exe_file_addr =
1364 debug_map_entry->GetRangeBase() + offset;
1365 return exe_file_addr;
1369 return LLDB_INVALID_ADDRESS;
1372 bool SymbolFileDWARFDebugMap::LinkOSOAddress(Address &addr) {
1373 // Make sure this address hasn't been fixed already
1374 Module *exe_module = GetObjectFile()->GetModule().get();
1375 Module *addr_module = addr.GetModule().get();
1376 if (addr_module == exe_module)
1377 return true; // Address is already in terms of the main executable module
1379 CompileUnitInfo *cu_info = GetCompileUnitInfo(GetSymbolFileAsSymbolFileDWARF(
1380 addr_module->GetSymbolVendor()->GetSymbolFile()));
1382 const lldb::addr_t oso_file_addr = addr.GetFileAddress();
1383 const FileRangeMap::Entry *oso_range_entry =
1384 cu_info->GetFileRangeMap(this).FindEntryThatContains(oso_file_addr);
1385 if (oso_range_entry) {
1386 const DebugMap::Entry *debug_map_entry =
1387 m_debug_map.FindEntryThatContains(oso_range_entry->data);
1388 if (debug_map_entry) {
1389 const lldb::addr_t offset =
1390 oso_file_addr - oso_range_entry->GetRangeBase();
1391 const lldb::addr_t exe_file_addr =
1392 debug_map_entry->GetRangeBase() + offset;
1393 return exe_module->ResolveFileAddress(exe_file_addr, addr);
1400 LineTable *SymbolFileDWARFDebugMap::LinkOSOLineTable(SymbolFileDWARF *oso_dwarf,
1401 LineTable *line_table) {
1402 CompileUnitInfo *cu_info = GetCompileUnitInfo(oso_dwarf);
1404 return line_table->LinkLineTable(cu_info->GetFileRangeMap(this));
1409 SymbolFileDWARFDebugMap::AddOSOARanges(SymbolFileDWARF *dwarf2Data,
1410 DWARFDebugAranges *debug_aranges) {
1411 size_t num_line_entries_added = 0;
1412 if (debug_aranges && dwarf2Data) {
1413 CompileUnitInfo *compile_unit_info = GetCompileUnitInfo(dwarf2Data);
1414 if (compile_unit_info) {
1415 const FileRangeMap &file_range_map =
1416 compile_unit_info->GetFileRangeMap(this);
1417 for (size_t idx = 0; idx < file_range_map.GetSize(); idx++) {
1418 const FileRangeMap::Entry *entry = file_range_map.GetEntryAtIndex(idx);
1420 debug_aranges->AppendRange(dwarf2Data->GetID(), entry->GetRangeBase(),
1421 entry->GetRangeEnd());
1422 num_line_entries_added++;
1427 return num_line_entries_added;