SymbolFileDWARFDebugMap.cpp revision 309124
1296417Sdim//===-- SymbolFileDWARFDebugMap.cpp -----------------------------*- C++ -*-===// 2254721Semaste// 3254721Semaste// The LLVM Compiler Infrastructure 4254721Semaste// 5254721Semaste// This file is distributed under the University of Illinois Open Source 6254721Semaste// License. See LICENSE.TXT for details. 7254721Semaste// 8254721Semaste//===----------------------------------------------------------------------===// 9254721Semaste 10296417Sdim// C Includes 11296417Sdim// C++ Includes 12296417Sdim// Other libraries and framework includes 13296417Sdim// Project includes 14254721Semaste#include "SymbolFileDWARFDebugMap.h" 15254721Semaste 16254721Semaste#include "DWARFDebugAranges.h" 17254721Semaste 18254721Semaste#include "lldb/Core/RangeMap.h" 19254721Semaste#include "lldb/Core/Module.h" 20254721Semaste#include "lldb/Core/ModuleList.h" 21254721Semaste#include "lldb/Core/PluginManager.h" 22254721Semaste#include "lldb/Core/RegularExpression.h" 23254721Semaste#include "lldb/Core/Section.h" 24254721Semaste 25254721Semaste//#define DEBUG_OSO_DMAP // DO NOT CHECKIN WITH THIS NOT COMMENTED OUT 26254721Semaste#if defined(DEBUG_OSO_DMAP) 27254721Semaste#include "lldb/Core/StreamFile.h" 28254721Semaste#endif 29254721Semaste#include "lldb/Core/Timer.h" 30254721Semaste 31254721Semaste#include "lldb/Symbol/CompileUnit.h" 32254721Semaste#include "lldb/Symbol/LineTable.h" 33254721Semaste#include "lldb/Symbol/ObjectFile.h" 34254721Semaste#include "lldb/Symbol/SymbolVendor.h" 35296417Sdim#include "lldb/Symbol/TypeMap.h" 36254721Semaste#include "lldb/Symbol/VariableList.h" 37254721Semaste 38254721Semaste#include "LogChannelDWARF.h" 39254721Semaste#include "SymbolFileDWARF.h" 40254721Semaste 41254721Semasteusing namespace lldb; 42254721Semasteusing namespace lldb_private; 43254721Semaste 44254721Semaste// Subclass lldb_private::Module so we can intercept the "Module::GetObjectFile()" 45254721Semaste// (so we can fixup the object file sections) and also for "Module::GetSymbolVendor()" 46254721Semaste// (so we can fixup the symbol file id. 47254721Semaste 48254721Semasteconst SymbolFileDWARFDebugMap::FileRangeMap & 49254721SemasteSymbolFileDWARFDebugMap::CompileUnitInfo::GetFileRangeMap(SymbolFileDWARFDebugMap *exe_symfile) 50254721Semaste{ 51254721Semaste if (file_range_map_valid) 52254721Semaste return file_range_map; 53254721Semaste 54254721Semaste file_range_map_valid = true; 55254721Semaste 56254721Semaste Module *oso_module = exe_symfile->GetModuleByCompUnitInfo (this); 57254721Semaste if (!oso_module) 58254721Semaste return file_range_map; 59276479Sdim 60254721Semaste ObjectFile *oso_objfile = oso_module->GetObjectFile(); 61254721Semaste if (!oso_objfile) 62254721Semaste return file_range_map; 63276479Sdim 64254721Semaste Log *log (LogChannelDWARF::GetLogIfAll(DWARF_LOG_DEBUG_MAP)); 65254721Semaste if (log) 66254721Semaste { 67254721Semaste ConstString object_name (oso_module->GetObjectName()); 68254721Semaste log->Printf("%p: SymbolFileDWARFDebugMap::CompileUnitInfo::GetFileRangeMap ('%s')", 69276479Sdim static_cast<void*>(this), 70254721Semaste oso_module->GetSpecificationDescription().c_str()); 71254721Semaste } 72254721Semaste 73254721Semaste std::vector<SymbolFileDWARFDebugMap::CompileUnitInfo *> cu_infos; 74254721Semaste if (exe_symfile->GetCompUnitInfosForModule(oso_module, cu_infos)) 75254721Semaste { 76254721Semaste for (auto comp_unit_info : cu_infos) 77254721Semaste { 78254721Semaste Symtab *exe_symtab = exe_symfile->GetObjectFile()->GetSymtab(); 79254721Semaste ModuleSP oso_module_sp (oso_objfile->GetModule()); 80254721Semaste Symtab *oso_symtab = oso_objfile->GetSymtab(); 81276479Sdim 82254721Semaste ///const uint32_t fun_resolve_flags = SymbolContext::Module | eSymbolContextCompUnit | eSymbolContextFunction; 83254721Semaste //SectionList *oso_sections = oso_objfile->Sections(); 84254721Semaste // Now we need to make sections that map from zero based object 85276479Sdim // file addresses to where things ended up in the main executable. 86276479Sdim 87254721Semaste assert (comp_unit_info->first_symbol_index != UINT32_MAX); 88254721Semaste // End index is one past the last valid symbol index 89254721Semaste const uint32_t oso_end_idx = comp_unit_info->last_symbol_index + 1; 90254721Semaste for (uint32_t idx = comp_unit_info->first_symbol_index + 2; // Skip the N_SO and N_OSO 91254721Semaste idx < oso_end_idx; 92254721Semaste ++idx) 93254721Semaste { 94254721Semaste Symbol *exe_symbol = exe_symtab->SymbolAtIndex(idx); 95254721Semaste if (exe_symbol) 96254721Semaste { 97254721Semaste if (exe_symbol->IsDebug() == false) 98254721Semaste continue; 99276479Sdim 100254721Semaste switch (exe_symbol->GetType()) 101254721Semaste { 102254721Semaste default: 103254721Semaste break; 104276479Sdim 105254721Semaste case eSymbolTypeCode: 106254721Semaste { 107254721Semaste // For each N_FUN, or function that we run into in the debug map 108254721Semaste // we make a new section that we add to the sections found in the 109254721Semaste // .o file. This new section has the file address set to what the 110254721Semaste // addresses are in the .o file, and the load address is adjusted 111254721Semaste // to match where it ended up in the final executable! We do this 112254721Semaste // before we parse any dwarf info so that when it goes get parsed 113254721Semaste // all section/offset addresses that get registered will resolve 114254721Semaste // correctly to the new addresses in the main executable. 115276479Sdim 116254721Semaste // First we find the original symbol in the .o file's symbol table 117288943Sdim Symbol *oso_fun_symbol = oso_symtab->FindFirstSymbolWithNameAndType (exe_symbol->GetMangled().GetName(lldb::eLanguageTypeUnknown, Mangled::ePreferMangled), 118254721Semaste eSymbolTypeCode, 119254721Semaste Symtab::eDebugNo, 120254721Semaste Symtab::eVisibilityAny); 121254721Semaste if (oso_fun_symbol) 122254721Semaste { 123254721Semaste // Add the inverse OSO file address to debug map entry mapping 124254721Semaste exe_symfile->AddOSOFileRange (this, 125288943Sdim exe_symbol->GetAddressRef().GetFileAddress(), 126309124Sdim exe_symbol->GetByteSize(), 127288943Sdim oso_fun_symbol->GetAddressRef().GetFileAddress(), 128309124Sdim oso_fun_symbol->GetByteSize()); 129276479Sdim 130254721Semaste } 131254721Semaste } 132254721Semaste break; 133276479Sdim 134254721Semaste case eSymbolTypeData: 135254721Semaste { 136254721Semaste // For each N_GSYM we remap the address for the global by making 137254721Semaste // a new section that we add to the sections found in the .o file. 138254721Semaste // This new section has the file address set to what the 139254721Semaste // addresses are in the .o file, and the load address is adjusted 140254721Semaste // to match where it ended up in the final executable! We do this 141254721Semaste // before we parse any dwarf info so that when it goes get parsed 142254721Semaste // all section/offset addresses that get registered will resolve 143254721Semaste // correctly to the new addresses in the main executable. We 144254721Semaste // initially set the section size to be 1 byte, but will need to 145254721Semaste // fix up these addresses further after all globals have been 146254721Semaste // parsed to span the gaps, or we can find the global variable 147254721Semaste // sizes from the DWARF info as we are parsing. 148276479Sdim 149254721Semaste // Next we find the non-stab entry that corresponds to the N_GSYM in the .o file 150288943Sdim Symbol *oso_gsym_symbol = oso_symtab->FindFirstSymbolWithNameAndType (exe_symbol->GetMangled().GetName(lldb::eLanguageTypeUnknown, Mangled::ePreferMangled), 151254721Semaste eSymbolTypeData, 152254721Semaste Symtab::eDebugNo, 153254721Semaste Symtab::eVisibilityAny); 154254721Semaste if (exe_symbol && oso_gsym_symbol && 155254721Semaste exe_symbol->ValueIsAddress() && 156254721Semaste oso_gsym_symbol->ValueIsAddress()) 157254721Semaste { 158254721Semaste // Add the inverse OSO file address to debug map entry mapping 159254721Semaste exe_symfile->AddOSOFileRange (this, 160288943Sdim exe_symbol->GetAddressRef().GetFileAddress(), 161309124Sdim exe_symbol->GetByteSize(), 162288943Sdim oso_gsym_symbol->GetAddressRef().GetFileAddress(), 163309124Sdim oso_gsym_symbol->GetByteSize()); 164254721Semaste } 165254721Semaste } 166254721Semaste break; 167254721Semaste } 168254721Semaste } 169254721Semaste } 170276479Sdim 171254721Semaste exe_symfile->FinalizeOSOFileRanges (this); 172254721Semaste // We don't need the symbols anymore for the .o files 173254721Semaste oso_objfile->ClearSymtab(); 174254721Semaste } 175254721Semaste } 176254721Semaste return file_range_map; 177254721Semaste} 178254721Semaste 179254721Semasteclass DebugMapModule : public Module 180254721Semaste{ 181254721Semastepublic: 182254721Semaste DebugMapModule (const ModuleSP &exe_module_sp, 183254721Semaste uint32_t cu_idx, 184254721Semaste const FileSpec& file_spec, 185254721Semaste const ArchSpec& arch, 186254721Semaste const ConstString *object_name, 187254721Semaste off_t object_offset, 188254721Semaste const TimeValue *object_mod_time_ptr) : 189254721Semaste Module (file_spec, arch, object_name, object_offset, object_mod_time_ptr), 190254721Semaste m_exe_module_wp (exe_module_sp), 191254721Semaste m_cu_idx (cu_idx) 192254721Semaste { 193254721Semaste } 194254721Semaste 195296417Sdim ~DebugMapModule() override = default; 196254721Semaste 197296417Sdim SymbolVendor* 198296417Sdim GetSymbolVendor(bool can_create = true, lldb_private::Stream *feedback_strm = NULL) override 199254721Semaste { 200254721Semaste // Scope for locker 201254721Semaste if (m_symfile_ap.get() || can_create == false) 202254721Semaste return m_symfile_ap.get(); 203254721Semaste 204254721Semaste ModuleSP exe_module_sp (m_exe_module_wp.lock()); 205254721Semaste if (exe_module_sp) 206254721Semaste { 207254721Semaste // Now get the object file outside of a locking scope 208254721Semaste ObjectFile *oso_objfile = GetObjectFile (); 209254721Semaste if (oso_objfile) 210254721Semaste { 211309124Sdim std::lock_guard<std::recursive_mutex> guard(m_mutex); 212254721Semaste SymbolVendor* symbol_vendor = Module::GetSymbolVendor(can_create, feedback_strm); 213254721Semaste if (symbol_vendor) 214254721Semaste { 215276479Sdim // Set a pointer to this class to set our OSO DWARF file know 216254721Semaste // that the DWARF is being used along with a debug map and that 217254721Semaste // it will have the remapped sections that we do below. 218254721Semaste SymbolFileDWARF *oso_symfile = SymbolFileDWARFDebugMap::GetSymbolFileAsSymbolFileDWARF(symbol_vendor->GetSymbolFile()); 219254721Semaste 220254721Semaste if (!oso_symfile) 221254721Semaste return NULL; 222254721Semaste 223254721Semaste ObjectFile *exe_objfile = exe_module_sp->GetObjectFile(); 224254721Semaste SymbolVendor *exe_sym_vendor = exe_module_sp->GetSymbolVendor(); 225254721Semaste 226254721Semaste if (exe_objfile && exe_sym_vendor) 227254721Semaste { 228288943Sdim oso_symfile->SetDebugMapModule(exe_module_sp); 229288943Sdim // Set the ID of the symbol file DWARF to the index of the OSO 230288943Sdim // shifted left by 32 bits to provide a unique prefix for any 231288943Sdim // UserID's that get created in the symbol file. 232288943Sdim oso_symfile->SetID (((uint64_t)m_cu_idx + 1ull) << 32ull); 233254721Semaste } 234254721Semaste return symbol_vendor; 235254721Semaste } 236254721Semaste } 237254721Semaste } 238254721Semaste return NULL; 239254721Semaste } 240254721Semaste 241254721Semasteprotected: 242254721Semaste ModuleWP m_exe_module_wp; 243254721Semaste const uint32_t m_cu_idx; 244254721Semaste}; 245254721Semaste 246254721Semastevoid 247254721SemasteSymbolFileDWARFDebugMap::Initialize() 248254721Semaste{ 249254721Semaste PluginManager::RegisterPlugin (GetPluginNameStatic(), 250254721Semaste GetPluginDescriptionStatic(), 251254721Semaste CreateInstance); 252254721Semaste} 253254721Semaste 254254721Semastevoid 255254721SemasteSymbolFileDWARFDebugMap::Terminate() 256254721Semaste{ 257254721Semaste PluginManager::UnregisterPlugin (CreateInstance); 258254721Semaste} 259254721Semaste 260254721Semastelldb_private::ConstString 261254721SemasteSymbolFileDWARFDebugMap::GetPluginNameStatic() 262254721Semaste{ 263254721Semaste static ConstString g_name("dwarf-debugmap"); 264254721Semaste return g_name; 265254721Semaste} 266254721Semaste 267254721Semasteconst char * 268254721SemasteSymbolFileDWARFDebugMap::GetPluginDescriptionStatic() 269254721Semaste{ 270254721Semaste return "DWARF and DWARF3 debug symbol file reader (debug map)."; 271254721Semaste} 272254721Semaste 273254721SemasteSymbolFile* 274254721SemasteSymbolFileDWARFDebugMap::CreateInstance (ObjectFile* obj_file) 275254721Semaste{ 276254721Semaste return new SymbolFileDWARFDebugMap (obj_file); 277254721Semaste} 278254721Semaste 279254721SemasteSymbolFileDWARFDebugMap::SymbolFileDWARFDebugMap (ObjectFile* ofile) : 280254721Semaste SymbolFile(ofile), 281254721Semaste m_flags(), 282254721Semaste m_compile_unit_infos(), 283254721Semaste m_func_indexes(), 284254721Semaste m_glob_indexes(), 285254721Semaste m_supports_DW_AT_APPLE_objc_complete_type (eLazyBoolCalculate) 286254721Semaste{ 287254721Semaste} 288254721Semaste 289254721SemasteSymbolFileDWARFDebugMap::~SymbolFileDWARFDebugMap() 290254721Semaste{ 291254721Semaste} 292254721Semaste 293254721Semastevoid 294254721SemasteSymbolFileDWARFDebugMap::InitializeObject() 295254721Semaste{ 296254721Semaste} 297254721Semaste 298254721Semastevoid 299254721SemasteSymbolFileDWARFDebugMap::InitOSO() 300254721Semaste{ 301254721Semaste if (m_flags.test(kHaveInitializedOSOs)) 302254721Semaste return; 303254721Semaste 304254721Semaste m_flags.set(kHaveInitializedOSOs); 305254721Semaste 306254721Semaste // If the object file has been stripped, there is no sense in looking further 307254721Semaste // as all of the debug symbols for the debug map will not be available 308254721Semaste if (m_obj_file->IsStripped()) 309254721Semaste return; 310254721Semaste 311254721Semaste // Also make sure the file type is some sort of executable. Core files, debug 312254721Semaste // info files (dSYM), object files (.o files), and stub libraries all can 313254721Semaste switch (m_obj_file->GetType()) 314254721Semaste { 315254721Semaste case ObjectFile::eTypeInvalid: 316254721Semaste case ObjectFile::eTypeCoreFile: 317254721Semaste case ObjectFile::eTypeDebugInfo: 318254721Semaste case ObjectFile::eTypeObjectFile: 319254721Semaste case ObjectFile::eTypeStubLibrary: 320254721Semaste case ObjectFile::eTypeUnknown: 321276479Sdim case ObjectFile::eTypeJIT: 322254721Semaste return; 323254721Semaste 324254721Semaste case ObjectFile::eTypeExecutable: 325254721Semaste case ObjectFile::eTypeDynamicLinker: 326254721Semaste case ObjectFile::eTypeSharedLibrary: 327254721Semaste break; 328254721Semaste } 329254721Semaste 330254721Semaste // In order to get the abilities of this plug-in, we look at the list of 331254721Semaste // N_OSO entries (object files) from the symbol table and make sure that 332254721Semaste // these files exist and also contain valid DWARF. If we get any of that 333254721Semaste // then we return the abilities of the first N_OSO's DWARF. 334254721Semaste 335254721Semaste Symtab* symtab = m_obj_file->GetSymtab(); 336254721Semaste if (symtab) 337254721Semaste { 338254721Semaste Log *log (LogChannelDWARF::GetLogIfAll(DWARF_LOG_DEBUG_MAP)); 339254721Semaste 340254721Semaste std::vector<uint32_t> oso_indexes; 341254721Semaste // When a mach-o symbol is encoded, the n_type field is encoded in bits 342254721Semaste // 23:16, and the n_desc field is encoded in bits 15:0. 343254721Semaste // 344254721Semaste // To find all N_OSO entries that are part of the DWARF + debug map 345254721Semaste // we find only object file symbols with the flags value as follows: 346254721Semaste // bits 23:16 == 0x66 (N_OSO) 347254721Semaste // bits 15: 0 == 0x0001 (specifies this is a debug map object file) 348254721Semaste const uint32_t k_oso_symbol_flags_value = 0x660001u; 349254721Semaste 350254721Semaste const uint32_t oso_index_count = symtab->AppendSymbolIndexesWithTypeAndFlagsValue(eSymbolTypeObjectFile, k_oso_symbol_flags_value, oso_indexes); 351254721Semaste 352254721Semaste if (oso_index_count > 0) 353254721Semaste { 354254721Semaste symtab->AppendSymbolIndexesWithType (eSymbolTypeCode, Symtab::eDebugYes, Symtab::eVisibilityAny, m_func_indexes); 355254721Semaste symtab->AppendSymbolIndexesWithType (eSymbolTypeData, Symtab::eDebugYes, Symtab::eVisibilityAny, m_glob_indexes); 356254721Semaste 357254721Semaste symtab->SortSymbolIndexesByValue(m_func_indexes, true); 358254721Semaste symtab->SortSymbolIndexesByValue(m_glob_indexes, true); 359254721Semaste 360254721Semaste for (uint32_t sym_idx : m_func_indexes) 361254721Semaste { 362254721Semaste const Symbol *symbol = symtab->SymbolAtIndex(sym_idx); 363288943Sdim lldb::addr_t file_addr = symbol->GetAddressRef().GetFileAddress(); 364254721Semaste lldb::addr_t byte_size = symbol->GetByteSize(); 365254721Semaste DebugMap::Entry debug_map_entry(file_addr, byte_size, OSOEntry(sym_idx, LLDB_INVALID_ADDRESS)); 366254721Semaste m_debug_map.Append(debug_map_entry); 367254721Semaste } 368254721Semaste for (uint32_t sym_idx : m_glob_indexes) 369254721Semaste { 370254721Semaste const Symbol *symbol = symtab->SymbolAtIndex(sym_idx); 371288943Sdim lldb::addr_t file_addr = symbol->GetAddressRef().GetFileAddress(); 372254721Semaste lldb::addr_t byte_size = symbol->GetByteSize(); 373254721Semaste DebugMap::Entry debug_map_entry(file_addr, byte_size, OSOEntry(sym_idx, LLDB_INVALID_ADDRESS)); 374254721Semaste m_debug_map.Append(debug_map_entry); 375254721Semaste } 376254721Semaste m_debug_map.Sort(); 377254721Semaste 378254721Semaste m_compile_unit_infos.resize(oso_index_count); 379254721Semaste 380254721Semaste for (uint32_t i=0; i<oso_index_count; ++i) 381254721Semaste { 382254721Semaste const uint32_t so_idx = oso_indexes[i] - 1; 383254721Semaste const uint32_t oso_idx = oso_indexes[i]; 384254721Semaste const Symbol *so_symbol = symtab->SymbolAtIndex(so_idx); 385254721Semaste const Symbol *oso_symbol = symtab->SymbolAtIndex(oso_idx); 386254721Semaste if (so_symbol && 387254721Semaste oso_symbol && 388254721Semaste so_symbol->GetType() == eSymbolTypeSourceFile && 389254721Semaste oso_symbol->GetType() == eSymbolTypeObjectFile) 390254721Semaste { 391254721Semaste m_compile_unit_infos[i].so_file.SetFile(so_symbol->GetName().AsCString(), false); 392254721Semaste m_compile_unit_infos[i].oso_path = oso_symbol->GetName(); 393254721Semaste TimeValue oso_mod_time; 394288943Sdim oso_mod_time.OffsetWithSeconds(oso_symbol->GetIntegerValue(0)); 395254721Semaste m_compile_unit_infos[i].oso_mod_time = oso_mod_time; 396254721Semaste uint32_t sibling_idx = so_symbol->GetSiblingIndex(); 397254721Semaste // The sibling index can't be less that or equal to the current index "i" 398288943Sdim if (sibling_idx == UINT32_MAX) 399254721Semaste { 400254721Semaste m_obj_file->GetModule()->ReportError ("N_SO in symbol with UID %u has invalid sibling in debug map, please file a bug and attach the binary listed in this error", so_symbol->GetID()); 401254721Semaste } 402254721Semaste else 403254721Semaste { 404254721Semaste const Symbol* last_symbol = symtab->SymbolAtIndex (sibling_idx - 1); 405254721Semaste m_compile_unit_infos[i].first_symbol_index = so_idx; 406254721Semaste m_compile_unit_infos[i].last_symbol_index = sibling_idx - 1; 407254721Semaste m_compile_unit_infos[i].first_symbol_id = so_symbol->GetID(); 408254721Semaste m_compile_unit_infos[i].last_symbol_id = last_symbol->GetID(); 409254721Semaste 410254721Semaste if (log) 411254721Semaste log->Printf("Initialized OSO 0x%8.8x: file=%s", i, oso_symbol->GetName().GetCString()); 412254721Semaste } 413254721Semaste } 414254721Semaste else 415254721Semaste { 416254721Semaste if (oso_symbol == NULL) 417254721Semaste m_obj_file->GetModule()->ReportError ("N_OSO symbol[%u] can't be found, please file a bug and attach the binary listed in this error", oso_idx); 418254721Semaste else if (so_symbol == NULL) 419254721Semaste m_obj_file->GetModule()->ReportError ("N_SO not found for N_OSO symbol[%u], please file a bug and attach the binary listed in this error", oso_idx); 420254721Semaste else if (so_symbol->GetType() != eSymbolTypeSourceFile) 421254721Semaste m_obj_file->GetModule()->ReportError ("N_SO has incorrect symbol type (%u) for N_OSO symbol[%u], please file a bug and attach the binary listed in this error", so_symbol->GetType(), oso_idx); 422254721Semaste else if (oso_symbol->GetType() != eSymbolTypeSourceFile) 423254721Semaste m_obj_file->GetModule()->ReportError ("N_OSO has incorrect symbol type (%u) for N_OSO symbol[%u], please file a bug and attach the binary listed in this error", oso_symbol->GetType(), oso_idx); 424254721Semaste } 425254721Semaste } 426254721Semaste } 427254721Semaste } 428254721Semaste} 429254721Semaste 430254721SemasteModule * 431254721SemasteSymbolFileDWARFDebugMap::GetModuleByOSOIndex (uint32_t oso_idx) 432254721Semaste{ 433254721Semaste const uint32_t cu_count = GetNumCompileUnits(); 434254721Semaste if (oso_idx < cu_count) 435254721Semaste return GetModuleByCompUnitInfo (&m_compile_unit_infos[oso_idx]); 436254721Semaste return NULL; 437254721Semaste} 438254721Semaste 439254721SemasteModule * 440254721SemasteSymbolFileDWARFDebugMap::GetModuleByCompUnitInfo (CompileUnitInfo *comp_unit_info) 441254721Semaste{ 442254721Semaste if (!comp_unit_info->oso_sp) 443254721Semaste { 444254721Semaste auto pos = m_oso_map.find (comp_unit_info->oso_path); 445254721Semaste if (pos != m_oso_map.end()) 446254721Semaste { 447254721Semaste comp_unit_info->oso_sp = pos->second; 448254721Semaste } 449254721Semaste else 450254721Semaste { 451254721Semaste ObjectFile *obj_file = GetObjectFile(); 452254721Semaste comp_unit_info->oso_sp.reset (new OSOInfo()); 453254721Semaste m_oso_map[comp_unit_info->oso_path] = comp_unit_info->oso_sp; 454254721Semaste const char *oso_path = comp_unit_info->oso_path.GetCString(); 455254721Semaste FileSpec oso_file (oso_path, false); 456254721Semaste ConstString oso_object; 457254721Semaste if (oso_file.Exists()) 458254721Semaste { 459254721Semaste TimeValue oso_mod_time (oso_file.GetModificationTime()); 460254721Semaste if (oso_mod_time != comp_unit_info->oso_mod_time) 461254721Semaste { 462254721Semaste obj_file->GetModule()->ReportError ("debug map object file '%s' has changed (actual time is 0x%" PRIx64 ", debug map time is 0x%" PRIx64 ") since this executable was linked, file will be ignored", 463254721Semaste oso_file.GetPath().c_str(), 464254721Semaste oso_mod_time.GetAsSecondsSinceJan1_1970(), 465254721Semaste comp_unit_info->oso_mod_time.GetAsSecondsSinceJan1_1970()); 466254721Semaste return NULL; 467254721Semaste } 468254721Semaste 469254721Semaste } 470254721Semaste else 471254721Semaste { 472254721Semaste const bool must_exist = true; 473254721Semaste 474254721Semaste if (!ObjectFile::SplitArchivePathWithObject (oso_path, 475254721Semaste oso_file, 476254721Semaste oso_object, 477254721Semaste must_exist)) 478254721Semaste { 479254721Semaste return NULL; 480254721Semaste } 481254721Semaste } 482254721Semaste // Always create a new module for .o files. Why? Because we 483254721Semaste // use the debug map, to add new sections to each .o file and 484254721Semaste // even though a .o file might not have changed, the sections 485254721Semaste // that get added to the .o file can change. 486276479Sdim ArchSpec oso_arch; 487276479Sdim // Only adopt the architecture from the module (not the vendor or OS) 488276479Sdim // since .o files for "i386-apple-ios" will historically show up as "i386-apple-macosx" 489276479Sdim // due to the lack of a LC_VERSION_MIN_MACOSX or LC_VERSION_MIN_IPHONEOS 490276479Sdim // load command... 491276479Sdim oso_arch.SetTriple(m_obj_file->GetModule()->GetArchitecture().GetTriple().getArchName().str().c_str()); 492254721Semaste comp_unit_info->oso_sp->module_sp.reset (new DebugMapModule (obj_file->GetModule(), 493254721Semaste GetCompUnitInfoIndex(comp_unit_info), 494254721Semaste oso_file, 495276479Sdim oso_arch, 496254721Semaste oso_object ? &oso_object : NULL, 497254721Semaste 0, 498254721Semaste oso_object ? &comp_unit_info->oso_mod_time : NULL)); 499254721Semaste } 500254721Semaste } 501254721Semaste if (comp_unit_info->oso_sp) 502254721Semaste return comp_unit_info->oso_sp->module_sp.get(); 503254721Semaste return NULL; 504254721Semaste} 505254721Semaste 506254721Semastebool 507254721SemasteSymbolFileDWARFDebugMap::GetFileSpecForSO (uint32_t oso_idx, FileSpec &file_spec) 508254721Semaste{ 509254721Semaste if (oso_idx < m_compile_unit_infos.size()) 510254721Semaste { 511254721Semaste if (m_compile_unit_infos[oso_idx].so_file) 512254721Semaste { 513254721Semaste file_spec = m_compile_unit_infos[oso_idx].so_file; 514254721Semaste return true; 515254721Semaste } 516254721Semaste } 517254721Semaste return false; 518254721Semaste} 519254721Semaste 520254721SemasteObjectFile * 521254721SemasteSymbolFileDWARFDebugMap::GetObjectFileByOSOIndex (uint32_t oso_idx) 522254721Semaste{ 523254721Semaste Module *oso_module = GetModuleByOSOIndex (oso_idx); 524254721Semaste if (oso_module) 525254721Semaste return oso_module->GetObjectFile(); 526254721Semaste return NULL; 527254721Semaste} 528254721Semaste 529254721SemasteSymbolFileDWARF * 530254721SemasteSymbolFileDWARFDebugMap::GetSymbolFile (const SymbolContext& sc) 531254721Semaste{ 532254721Semaste CompileUnitInfo *comp_unit_info = GetCompUnitInfo (sc); 533254721Semaste if (comp_unit_info) 534254721Semaste return GetSymbolFileByCompUnitInfo (comp_unit_info); 535254721Semaste return NULL; 536254721Semaste} 537254721Semaste 538254721SemasteObjectFile * 539254721SemasteSymbolFileDWARFDebugMap::GetObjectFileByCompUnitInfo (CompileUnitInfo *comp_unit_info) 540254721Semaste{ 541254721Semaste Module *oso_module = GetModuleByCompUnitInfo (comp_unit_info); 542254721Semaste if (oso_module) 543254721Semaste return oso_module->GetObjectFile(); 544254721Semaste return NULL; 545254721Semaste} 546254721Semaste 547254721Semasteuint32_t 548254721SemasteSymbolFileDWARFDebugMap::GetCompUnitInfoIndex (const CompileUnitInfo *comp_unit_info) 549254721Semaste{ 550254721Semaste if (!m_compile_unit_infos.empty()) 551254721Semaste { 552254721Semaste const CompileUnitInfo *first_comp_unit_info = &m_compile_unit_infos.front(); 553254721Semaste const CompileUnitInfo *last_comp_unit_info = &m_compile_unit_infos.back(); 554254721Semaste if (first_comp_unit_info <= comp_unit_info && comp_unit_info <= last_comp_unit_info) 555254721Semaste return comp_unit_info - first_comp_unit_info; 556254721Semaste } 557254721Semaste return UINT32_MAX; 558254721Semaste} 559254721Semaste 560254721SemasteSymbolFileDWARF * 561254721SemasteSymbolFileDWARFDebugMap::GetSymbolFileByOSOIndex (uint32_t oso_idx) 562254721Semaste{ 563254721Semaste if (oso_idx < m_compile_unit_infos.size()) 564254721Semaste return GetSymbolFileByCompUnitInfo (&m_compile_unit_infos[oso_idx]); 565254721Semaste return NULL; 566254721Semaste} 567254721Semaste 568254721SemasteSymbolFileDWARF * 569254721SemasteSymbolFileDWARFDebugMap::GetSymbolFileAsSymbolFileDWARF (SymbolFile *sym_file) 570254721Semaste{ 571254721Semaste if (sym_file && sym_file->GetPluginName() == SymbolFileDWARF::GetPluginNameStatic()) 572254721Semaste return (SymbolFileDWARF *)sym_file; 573254721Semaste return NULL; 574254721Semaste} 575254721Semaste 576254721SemasteSymbolFileDWARF * 577254721SemasteSymbolFileDWARFDebugMap::GetSymbolFileByCompUnitInfo (CompileUnitInfo *comp_unit_info) 578254721Semaste{ 579254721Semaste Module *oso_module = GetModuleByCompUnitInfo (comp_unit_info); 580254721Semaste if (oso_module) 581254721Semaste { 582254721Semaste SymbolVendor *sym_vendor = oso_module->GetSymbolVendor(); 583254721Semaste if (sym_vendor) 584254721Semaste return GetSymbolFileAsSymbolFileDWARF (sym_vendor->GetSymbolFile()); 585254721Semaste } 586254721Semaste return NULL; 587254721Semaste} 588254721Semaste 589254721Semasteuint32_t 590254721SemasteSymbolFileDWARFDebugMap::CalculateAbilities () 591254721Semaste{ 592254721Semaste // In order to get the abilities of this plug-in, we look at the list of 593254721Semaste // N_OSO entries (object files) from the symbol table and make sure that 594254721Semaste // these files exist and also contain valid DWARF. If we get any of that 595254721Semaste // then we return the abilities of the first N_OSO's DWARF. 596254721Semaste 597254721Semaste const uint32_t oso_index_count = GetNumCompileUnits(); 598254721Semaste if (oso_index_count > 0) 599254721Semaste { 600254721Semaste InitOSO(); 601254721Semaste if (!m_compile_unit_infos.empty()) 602254721Semaste { 603254721Semaste return SymbolFile::CompileUnits | 604254721Semaste SymbolFile::Functions | 605254721Semaste SymbolFile::Blocks | 606254721Semaste SymbolFile::GlobalVariables | 607254721Semaste SymbolFile::LocalVariables | 608254721Semaste SymbolFile::VariableTypes | 609254721Semaste SymbolFile::LineTables ; 610254721Semaste } 611254721Semaste } 612254721Semaste return 0; 613254721Semaste} 614254721Semaste 615254721Semasteuint32_t 616254721SemasteSymbolFileDWARFDebugMap::GetNumCompileUnits() 617254721Semaste{ 618254721Semaste InitOSO (); 619254721Semaste return m_compile_unit_infos.size(); 620254721Semaste} 621254721Semaste 622254721SemasteCompUnitSP 623254721SemasteSymbolFileDWARFDebugMap::ParseCompileUnitAtIndex(uint32_t cu_idx) 624254721Semaste{ 625254721Semaste CompUnitSP comp_unit_sp; 626254721Semaste const uint32_t cu_count = GetNumCompileUnits(); 627254721Semaste 628254721Semaste if (cu_idx < cu_count) 629254721Semaste { 630254721Semaste Module *oso_module = GetModuleByCompUnitInfo (&m_compile_unit_infos[cu_idx]); 631254721Semaste if (oso_module) 632254721Semaste { 633254721Semaste FileSpec so_file_spec; 634254721Semaste if (GetFileSpecForSO (cu_idx, so_file_spec)) 635254721Semaste { 636254721Semaste // User zero as the ID to match the compile unit at offset 637254721Semaste // zero in each .o file since each .o file can only have 638254721Semaste // one compile unit for now. 639254721Semaste lldb::user_id_t cu_id = 0; 640309124Sdim m_compile_unit_infos[cu_idx].compile_unit_sp.reset(new CompileUnit( 641309124Sdim m_obj_file->GetModule(), NULL, so_file_spec, cu_id, eLanguageTypeUnknown, eLazyBoolCalculate)); 642309124Sdim 643254721Semaste if (m_compile_unit_infos[cu_idx].compile_unit_sp) 644254721Semaste { 645254721Semaste // Let our symbol vendor know about this compile unit 646254721Semaste m_obj_file->GetModule()->GetSymbolVendor()->SetCompileUnitAtIndex (cu_idx, m_compile_unit_infos[cu_idx].compile_unit_sp); 647254721Semaste } 648254721Semaste } 649254721Semaste } 650254721Semaste comp_unit_sp = m_compile_unit_infos[cu_idx].compile_unit_sp; 651254721Semaste } 652254721Semaste 653254721Semaste return comp_unit_sp; 654254721Semaste} 655254721Semaste 656254721SemasteSymbolFileDWARFDebugMap::CompileUnitInfo * 657254721SemasteSymbolFileDWARFDebugMap::GetCompUnitInfo (const SymbolContext& sc) 658254721Semaste{ 659254721Semaste const uint32_t cu_count = GetNumCompileUnits(); 660254721Semaste for (uint32_t i=0; i<cu_count; ++i) 661254721Semaste { 662254721Semaste if (sc.comp_unit == m_compile_unit_infos[i].compile_unit_sp.get()) 663254721Semaste return &m_compile_unit_infos[i]; 664254721Semaste } 665254721Semaste return NULL; 666254721Semaste} 667254721Semaste 668254721Semastesize_t 669254721SemasteSymbolFileDWARFDebugMap::GetCompUnitInfosForModule (const lldb_private::Module *module, std::vector<CompileUnitInfo *>& cu_infos) 670254721Semaste{ 671254721Semaste const uint32_t cu_count = GetNumCompileUnits(); 672254721Semaste for (uint32_t i=0; i<cu_count; ++i) 673254721Semaste { 674254721Semaste if (module == GetModuleByCompUnitInfo (&m_compile_unit_infos[i])) 675254721Semaste cu_infos.push_back (&m_compile_unit_infos[i]); 676254721Semaste } 677254721Semaste return cu_infos.size(); 678254721Semaste} 679254721Semaste 680254721Semastelldb::LanguageType 681254721SemasteSymbolFileDWARFDebugMap::ParseCompileUnitLanguage (const SymbolContext& sc) 682254721Semaste{ 683254721Semaste SymbolFileDWARF *oso_dwarf = GetSymbolFile (sc); 684254721Semaste if (oso_dwarf) 685254721Semaste return oso_dwarf->ParseCompileUnitLanguage (sc); 686254721Semaste return eLanguageTypeUnknown; 687254721Semaste} 688254721Semaste 689254721Semastesize_t 690254721SemasteSymbolFileDWARFDebugMap::ParseCompileUnitFunctions (const SymbolContext& sc) 691254721Semaste{ 692254721Semaste SymbolFileDWARF *oso_dwarf = GetSymbolFile (sc); 693254721Semaste if (oso_dwarf) 694254721Semaste return oso_dwarf->ParseCompileUnitFunctions (sc); 695254721Semaste return 0; 696254721Semaste} 697254721Semaste 698254721Semastebool 699254721SemasteSymbolFileDWARFDebugMap::ParseCompileUnitLineTable (const SymbolContext& sc) 700254721Semaste{ 701254721Semaste SymbolFileDWARF *oso_dwarf = GetSymbolFile (sc); 702254721Semaste if (oso_dwarf) 703254721Semaste return oso_dwarf->ParseCompileUnitLineTable (sc); 704254721Semaste return false; 705254721Semaste} 706254721Semaste 707254721Semastebool 708296417SdimSymbolFileDWARFDebugMap::ParseCompileUnitDebugMacros (const SymbolContext& sc) 709296417Sdim{ 710296417Sdim SymbolFileDWARF *oso_dwarf = GetSymbolFile (sc); 711296417Sdim if (oso_dwarf) 712296417Sdim return oso_dwarf->ParseCompileUnitDebugMacros (sc); 713296417Sdim return false; 714296417Sdim} 715296417Sdim 716296417Sdimbool 717254721SemasteSymbolFileDWARFDebugMap::ParseCompileUnitSupportFiles (const SymbolContext& sc, FileSpecList &support_files) 718254721Semaste{ 719254721Semaste SymbolFileDWARF *oso_dwarf = GetSymbolFile (sc); 720254721Semaste if (oso_dwarf) 721254721Semaste return oso_dwarf->ParseCompileUnitSupportFiles (sc, support_files); 722254721Semaste return false; 723254721Semaste} 724254721Semaste 725288943Sdimbool 726309124SdimSymbolFileDWARFDebugMap::ParseCompileUnitIsOptimized(const lldb_private::SymbolContext &sc) 727288943Sdim{ 728309124Sdim SymbolFileDWARF *oso_dwarf = GetSymbolFile(sc); 729309124Sdim if (oso_dwarf) 730309124Sdim return oso_dwarf->ParseCompileUnitIsOptimized(sc); 731309124Sdim return false; 732309124Sdim} 733309124Sdim 734309124Sdimbool 735309124SdimSymbolFileDWARFDebugMap::ParseImportedModules(const SymbolContext &sc, std::vector<ConstString> &imported_modules) 736309124Sdim{ 737288943Sdim SymbolFileDWARF *oso_dwarf = GetSymbolFile (sc); 738288943Sdim if (oso_dwarf) 739288943Sdim return oso_dwarf->ParseImportedModules(sc, imported_modules); 740288943Sdim return false; 741288943Sdim} 742254721Semaste 743254721Semastesize_t 744254721SemasteSymbolFileDWARFDebugMap::ParseFunctionBlocks (const SymbolContext& sc) 745254721Semaste{ 746254721Semaste SymbolFileDWARF *oso_dwarf = GetSymbolFile (sc); 747254721Semaste if (oso_dwarf) 748254721Semaste return oso_dwarf->ParseFunctionBlocks (sc); 749254721Semaste return 0; 750254721Semaste} 751254721Semaste 752254721Semastesize_t 753254721SemasteSymbolFileDWARFDebugMap::ParseTypes (const SymbolContext& sc) 754254721Semaste{ 755254721Semaste SymbolFileDWARF *oso_dwarf = GetSymbolFile (sc); 756254721Semaste if (oso_dwarf) 757254721Semaste return oso_dwarf->ParseTypes (sc); 758254721Semaste return 0; 759254721Semaste} 760254721Semaste 761254721Semastesize_t 762254721SemasteSymbolFileDWARFDebugMap::ParseVariablesForContext (const SymbolContext& sc) 763254721Semaste{ 764254721Semaste SymbolFileDWARF *oso_dwarf = GetSymbolFile (sc); 765254721Semaste if (oso_dwarf) 766254721Semaste return oso_dwarf->ParseVariablesForContext (sc); 767254721Semaste return 0; 768254721Semaste} 769254721Semaste 770254721SemasteType* 771254721SemasteSymbolFileDWARFDebugMap::ResolveTypeUID(lldb::user_id_t type_uid) 772254721Semaste{ 773254721Semaste const uint64_t oso_idx = GetOSOIndexFromUserID (type_uid); 774254721Semaste SymbolFileDWARF *oso_dwarf = GetSymbolFileByOSOIndex (oso_idx); 775254721Semaste if (oso_dwarf) 776254721Semaste return oso_dwarf->ResolveTypeUID (type_uid); 777254721Semaste return NULL; 778254721Semaste} 779254721Semaste 780254721Semastebool 781296417SdimSymbolFileDWARFDebugMap::CompleteType (CompilerType& compiler_type) 782254721Semaste{ 783296417Sdim bool success = false; 784296417Sdim if (compiler_type) 785296417Sdim { 786296417Sdim ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { 787296417Sdim if (oso_dwarf->HasForwardDeclForClangType (compiler_type)) 788296417Sdim { 789296417Sdim oso_dwarf->CompleteType (compiler_type); 790296417Sdim success = true; 791296417Sdim return true; 792296417Sdim } 793296417Sdim return false; 794296417Sdim }); 795296417Sdim } 796296417Sdim return success; 797254721Semaste} 798254721Semaste 799254721Semasteuint32_t 800254721SemasteSymbolFileDWARFDebugMap::ResolveSymbolContext (const Address& exe_so_addr, uint32_t resolve_scope, SymbolContext& sc) 801254721Semaste{ 802254721Semaste uint32_t resolved_flags = 0; 803254721Semaste Symtab* symtab = m_obj_file->GetSymtab(); 804254721Semaste if (symtab) 805254721Semaste { 806254721Semaste const addr_t exe_file_addr = exe_so_addr.GetFileAddress(); 807254721Semaste 808254721Semaste const DebugMap::Entry *debug_map_entry = m_debug_map.FindEntryThatContains (exe_file_addr); 809254721Semaste if (debug_map_entry) 810254721Semaste { 811254721Semaste 812254721Semaste sc.symbol = symtab->SymbolAtIndex(debug_map_entry->data.GetExeSymbolIndex()); 813254721Semaste 814254721Semaste if (sc.symbol != NULL) 815254721Semaste { 816254721Semaste resolved_flags |= eSymbolContextSymbol; 817254721Semaste 818254721Semaste uint32_t oso_idx = 0; 819254721Semaste CompileUnitInfo* comp_unit_info = GetCompileUnitInfoForSymbolWithID (sc.symbol->GetID(), &oso_idx); 820254721Semaste if (comp_unit_info) 821254721Semaste { 822254721Semaste comp_unit_info->GetFileRangeMap(this); 823254721Semaste Module *oso_module = GetModuleByCompUnitInfo (comp_unit_info); 824254721Semaste if (oso_module) 825254721Semaste { 826254721Semaste lldb::addr_t oso_file_addr = exe_file_addr - debug_map_entry->GetRangeBase() + debug_map_entry->data.GetOSOFileAddress(); 827254721Semaste Address oso_so_addr; 828254721Semaste if (oso_module->ResolveFileAddress(oso_file_addr, oso_so_addr)) 829254721Semaste { 830254721Semaste resolved_flags |= oso_module->GetSymbolVendor()->ResolveSymbolContext (oso_so_addr, resolve_scope, sc); 831254721Semaste } 832254721Semaste } 833254721Semaste } 834254721Semaste } 835254721Semaste } 836254721Semaste } 837254721Semaste return resolved_flags; 838254721Semaste} 839254721Semaste 840254721Semasteuint32_t 841254721SemasteSymbolFileDWARFDebugMap::ResolveSymbolContext (const FileSpec& file_spec, uint32_t line, bool check_inlines, uint32_t resolve_scope, SymbolContextList& sc_list) 842254721Semaste{ 843254721Semaste const uint32_t initial = sc_list.GetSize(); 844254721Semaste const uint32_t cu_count = GetNumCompileUnits(); 845254721Semaste 846254721Semaste for (uint32_t i=0; i<cu_count; ++i) 847254721Semaste { 848254721Semaste // If we are checking for inlines, then we need to look through all 849254721Semaste // compile units no matter if "file_spec" matches. 850254721Semaste bool resolve = check_inlines; 851254721Semaste 852254721Semaste if (!resolve) 853254721Semaste { 854254721Semaste FileSpec so_file_spec; 855254721Semaste if (GetFileSpecForSO (i, so_file_spec)) 856254721Semaste { 857254721Semaste // Match the full path if the incoming file_spec has a directory (not just a basename) 858258054Semaste const bool full_match = (bool)file_spec.GetDirectory(); 859254721Semaste resolve = FileSpec::Equal (file_spec, so_file_spec, full_match); 860254721Semaste } 861254721Semaste } 862254721Semaste if (resolve) 863254721Semaste { 864254721Semaste SymbolFileDWARF *oso_dwarf = GetSymbolFileByOSOIndex (i); 865254721Semaste if (oso_dwarf) 866254721Semaste oso_dwarf->ResolveSymbolContext(file_spec, line, check_inlines, resolve_scope, sc_list); 867254721Semaste } 868254721Semaste } 869254721Semaste return sc_list.GetSize() - initial; 870254721Semaste} 871254721Semaste 872254721Semasteuint32_t 873254721SemasteSymbolFileDWARFDebugMap::PrivateFindGlobalVariables 874254721Semaste( 875254721Semaste const ConstString &name, 876296417Sdim const CompilerDeclContext *parent_decl_ctx, 877254721Semaste const std::vector<uint32_t> &indexes, // Indexes into the symbol table that match "name" 878254721Semaste uint32_t max_matches, 879254721Semaste VariableList& variables 880254721Semaste) 881254721Semaste{ 882254721Semaste const uint32_t original_size = variables.GetSize(); 883254721Semaste const size_t match_count = indexes.size(); 884254721Semaste for (size_t i=0; i<match_count; ++i) 885254721Semaste { 886254721Semaste uint32_t oso_idx; 887254721Semaste CompileUnitInfo* comp_unit_info = GetCompileUnitInfoForSymbolWithIndex (indexes[i], &oso_idx); 888254721Semaste if (comp_unit_info) 889254721Semaste { 890254721Semaste SymbolFileDWARF *oso_dwarf = GetSymbolFileByOSOIndex (oso_idx); 891254721Semaste if (oso_dwarf) 892254721Semaste { 893296417Sdim if (oso_dwarf->FindGlobalVariables(name, parent_decl_ctx, true, max_matches, variables)) 894254721Semaste if (variables.GetSize() > max_matches) 895254721Semaste break; 896254721Semaste } 897254721Semaste } 898254721Semaste } 899254721Semaste return variables.GetSize() - original_size; 900254721Semaste} 901254721Semaste 902254721Semasteuint32_t 903296417SdimSymbolFileDWARFDebugMap::FindGlobalVariables (const ConstString &name, 904296417Sdim const CompilerDeclContext *parent_decl_ctx, 905296417Sdim bool append, 906296417Sdim uint32_t max_matches, 907296417Sdim VariableList& variables) 908254721Semaste{ 909254721Semaste 910254721Semaste // If we aren't appending the results to this list, then clear the list 911254721Semaste if (!append) 912254721Semaste variables.Clear(); 913254721Semaste 914254721Semaste // Remember how many variables are in the list before we search in case 915254721Semaste // we are appending the results to a variable list. 916254721Semaste const uint32_t original_size = variables.GetSize(); 917254721Semaste 918254721Semaste uint32_t total_matches = 0; 919288943Sdim 920288943Sdim ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { 921254721Semaste const uint32_t oso_matches = oso_dwarf->FindGlobalVariables (name, 922296417Sdim parent_decl_ctx, 923288943Sdim true, 924288943Sdim max_matches, 925254721Semaste variables); 926254721Semaste if (oso_matches > 0) 927254721Semaste { 928254721Semaste total_matches += oso_matches; 929288943Sdim 930254721Semaste // Are we getting all matches? 931254721Semaste if (max_matches == UINT32_MAX) 932288943Sdim return false; // Yep, continue getting everything 933288943Sdim 934254721Semaste // If we have found enough matches, lets get out 935254721Semaste if (max_matches >= total_matches) 936288943Sdim return true; 937288943Sdim 938254721Semaste // Update the max matches for any subsequent calls to find globals 939254721Semaste // in any other object files with DWARF 940254721Semaste max_matches -= oso_matches; 941254721Semaste } 942288943Sdim 943288943Sdim return false; 944288943Sdim }); 945288943Sdim 946254721Semaste // Return the number of variable that were appended to the list 947254721Semaste return variables.GetSize() - original_size; 948254721Semaste} 949254721Semaste 950254721Semasteuint32_t 951254721SemasteSymbolFileDWARFDebugMap::FindGlobalVariables (const RegularExpression& regex, bool append, uint32_t max_matches, VariableList& variables) 952254721Semaste{ 953254721Semaste // If we aren't appending the results to this list, then clear the list 954254721Semaste if (!append) 955254721Semaste variables.Clear(); 956254721Semaste 957254721Semaste // Remember how many variables are in the list before we search in case 958254721Semaste // we are appending the results to a variable list. 959254721Semaste const uint32_t original_size = variables.GetSize(); 960254721Semaste 961254721Semaste uint32_t total_matches = 0; 962288943Sdim ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { 963288943Sdim const uint32_t oso_matches = oso_dwarf->FindGlobalVariables (regex, 964254721Semaste true, 965254721Semaste max_matches, 966254721Semaste variables); 967254721Semaste if (oso_matches > 0) 968254721Semaste { 969254721Semaste total_matches += oso_matches; 970254721Semaste 971254721Semaste // Are we getting all matches? 972254721Semaste if (max_matches == UINT32_MAX) 973288943Sdim return false; // Yep, continue getting everything 974254721Semaste 975254721Semaste // If we have found enough matches, lets get out 976254721Semaste if (max_matches >= total_matches) 977288943Sdim return true; 978254721Semaste 979254721Semaste // Update the max matches for any subsequent calls to find globals 980254721Semaste // in any other object files with DWARF 981254721Semaste max_matches -= oso_matches; 982254721Semaste } 983288943Sdim 984288943Sdim return false; 985288943Sdim }); 986288943Sdim 987254721Semaste // Return the number of variable that were appended to the list 988254721Semaste return variables.GetSize() - original_size; 989254721Semaste} 990254721Semaste 991254721Semasteint 992254721SemasteSymbolFileDWARFDebugMap::SymbolContainsSymbolWithIndex (uint32_t *symbol_idx_ptr, const CompileUnitInfo *comp_unit_info) 993254721Semaste{ 994254721Semaste const uint32_t symbol_idx = *symbol_idx_ptr; 995254721Semaste 996254721Semaste if (symbol_idx < comp_unit_info->first_symbol_index) 997254721Semaste return -1; 998254721Semaste 999254721Semaste if (symbol_idx <= comp_unit_info->last_symbol_index) 1000254721Semaste return 0; 1001254721Semaste 1002254721Semaste return 1; 1003254721Semaste} 1004254721Semaste 1005254721Semasteint 1006254721SemasteSymbolFileDWARFDebugMap::SymbolContainsSymbolWithID (user_id_t *symbol_idx_ptr, const CompileUnitInfo *comp_unit_info) 1007254721Semaste{ 1008254721Semaste const user_id_t symbol_id = *symbol_idx_ptr; 1009254721Semaste 1010254721Semaste if (symbol_id < comp_unit_info->first_symbol_id) 1011254721Semaste return -1; 1012254721Semaste 1013254721Semaste if (symbol_id <= comp_unit_info->last_symbol_id) 1014254721Semaste return 0; 1015254721Semaste 1016254721Semaste return 1; 1017254721Semaste} 1018254721Semaste 1019254721SemasteSymbolFileDWARFDebugMap::CompileUnitInfo* 1020254721SemasteSymbolFileDWARFDebugMap::GetCompileUnitInfoForSymbolWithIndex (uint32_t symbol_idx, uint32_t *oso_idx_ptr) 1021254721Semaste{ 1022254721Semaste const uint32_t oso_index_count = m_compile_unit_infos.size(); 1023254721Semaste CompileUnitInfo *comp_unit_info = NULL; 1024254721Semaste if (oso_index_count) 1025254721Semaste { 1026254721Semaste comp_unit_info = (CompileUnitInfo*)bsearch(&symbol_idx, 1027254721Semaste &m_compile_unit_infos[0], 1028254721Semaste m_compile_unit_infos.size(), 1029254721Semaste sizeof(CompileUnitInfo), 1030254721Semaste (ComparisonFunction)SymbolContainsSymbolWithIndex); 1031254721Semaste } 1032254721Semaste 1033254721Semaste if (oso_idx_ptr) 1034254721Semaste { 1035254721Semaste if (comp_unit_info != NULL) 1036254721Semaste *oso_idx_ptr = comp_unit_info - &m_compile_unit_infos[0]; 1037254721Semaste else 1038254721Semaste *oso_idx_ptr = UINT32_MAX; 1039254721Semaste } 1040254721Semaste return comp_unit_info; 1041254721Semaste} 1042254721Semaste 1043254721SemasteSymbolFileDWARFDebugMap::CompileUnitInfo* 1044254721SemasteSymbolFileDWARFDebugMap::GetCompileUnitInfoForSymbolWithID (user_id_t symbol_id, uint32_t *oso_idx_ptr) 1045254721Semaste{ 1046254721Semaste const uint32_t oso_index_count = m_compile_unit_infos.size(); 1047254721Semaste CompileUnitInfo *comp_unit_info = NULL; 1048254721Semaste if (oso_index_count) 1049254721Semaste { 1050254721Semaste comp_unit_info = (CompileUnitInfo*)::bsearch (&symbol_id, 1051254721Semaste &m_compile_unit_infos[0], 1052254721Semaste m_compile_unit_infos.size(), 1053254721Semaste sizeof(CompileUnitInfo), 1054254721Semaste (ComparisonFunction)SymbolContainsSymbolWithID); 1055254721Semaste } 1056254721Semaste 1057254721Semaste if (oso_idx_ptr) 1058254721Semaste { 1059254721Semaste if (comp_unit_info != NULL) 1060254721Semaste *oso_idx_ptr = comp_unit_info - &m_compile_unit_infos[0]; 1061254721Semaste else 1062254721Semaste *oso_idx_ptr = UINT32_MAX; 1063254721Semaste } 1064254721Semaste return comp_unit_info; 1065254721Semaste} 1066254721Semaste 1067254721Semastestatic void 1068254721SemasteRemoveFunctionsWithModuleNotEqualTo (const ModuleSP &module_sp, SymbolContextList &sc_list, uint32_t start_idx) 1069254721Semaste{ 1070254721Semaste // We found functions in .o files. Not all functions in the .o files 1071254721Semaste // will have made it into the final output file. The ones that did 1072254721Semaste // make it into the final output file will have a section whose module 1073254721Semaste // matches the module from the ObjectFile for this SymbolFile. When 1074254721Semaste // the modules don't match, then we have something that was in a 1075254721Semaste // .o file, but doesn't map to anything in the final executable. 1076254721Semaste uint32_t i=start_idx; 1077254721Semaste while (i < sc_list.GetSize()) 1078254721Semaste { 1079254721Semaste SymbolContext sc; 1080254721Semaste sc_list.GetContextAtIndex(i, sc); 1081254721Semaste if (sc.function) 1082254721Semaste { 1083254721Semaste const SectionSP section_sp (sc.function->GetAddressRange().GetBaseAddress().GetSection()); 1084254721Semaste if (section_sp->GetModule() != module_sp) 1085254721Semaste { 1086254721Semaste sc_list.RemoveContextAtIndex(i); 1087254721Semaste continue; 1088254721Semaste } 1089254721Semaste } 1090254721Semaste ++i; 1091254721Semaste } 1092254721Semaste} 1093254721Semaste 1094254721Semasteuint32_t 1095296417SdimSymbolFileDWARFDebugMap::FindFunctions(const ConstString &name, 1096296417Sdim const CompilerDeclContext *parent_decl_ctx, 1097296417Sdim uint32_t name_type_mask, 1098296417Sdim bool include_inlines, 1099296417Sdim bool append, 1100296417Sdim SymbolContextList& sc_list) 1101254721Semaste{ 1102254721Semaste Timer scoped_timer (__PRETTY_FUNCTION__, 1103254721Semaste "SymbolFileDWARFDebugMap::FindFunctions (name = %s)", 1104254721Semaste name.GetCString()); 1105254721Semaste 1106254721Semaste uint32_t initial_size = 0; 1107254721Semaste if (append) 1108254721Semaste initial_size = sc_list.GetSize(); 1109254721Semaste else 1110254721Semaste sc_list.Clear(); 1111254721Semaste 1112288943Sdim ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { 1113254721Semaste uint32_t sc_idx = sc_list.GetSize(); 1114296417Sdim if (oso_dwarf->FindFunctions(name, parent_decl_ctx, name_type_mask, include_inlines, true, sc_list)) 1115254721Semaste { 1116254721Semaste RemoveFunctionsWithModuleNotEqualTo (m_obj_file->GetModule(), sc_list, sc_idx); 1117254721Semaste } 1118288943Sdim return false; 1119288943Sdim }); 1120254721Semaste 1121254721Semaste return sc_list.GetSize() - initial_size; 1122254721Semaste} 1123254721Semaste 1124254721Semasteuint32_t 1125254721SemasteSymbolFileDWARFDebugMap::FindFunctions (const RegularExpression& regex, bool include_inlines, bool append, SymbolContextList& sc_list) 1126254721Semaste{ 1127254721Semaste Timer scoped_timer (__PRETTY_FUNCTION__, 1128254721Semaste "SymbolFileDWARFDebugMap::FindFunctions (regex = '%s')", 1129254721Semaste regex.GetText()); 1130254721Semaste 1131254721Semaste uint32_t initial_size = 0; 1132254721Semaste if (append) 1133254721Semaste initial_size = sc_list.GetSize(); 1134254721Semaste else 1135254721Semaste sc_list.Clear(); 1136254721Semaste 1137288943Sdim ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { 1138254721Semaste uint32_t sc_idx = sc_list.GetSize(); 1139254721Semaste 1140254721Semaste if (oso_dwarf->FindFunctions(regex, include_inlines, true, sc_list)) 1141254721Semaste { 1142254721Semaste RemoveFunctionsWithModuleNotEqualTo (m_obj_file->GetModule(), sc_list, sc_idx); 1143254721Semaste } 1144288943Sdim return false; 1145288943Sdim }); 1146254721Semaste 1147254721Semaste return sc_list.GetSize() - initial_size; 1148254721Semaste} 1149254721Semaste 1150254721Semastesize_t 1151254721SemasteSymbolFileDWARFDebugMap::GetTypes (SymbolContextScope *sc_scope, 1152254721Semaste uint32_t type_mask, 1153254721Semaste TypeList &type_list) 1154254721Semaste{ 1155254721Semaste Timer scoped_timer (__PRETTY_FUNCTION__, 1156254721Semaste "SymbolFileDWARFDebugMap::GetTypes (type_mask = 0x%8.8x)", 1157254721Semaste type_mask); 1158296417Sdim 1159254721Semaste uint32_t initial_size = type_list.GetSize(); 1160254721Semaste SymbolFileDWARF *oso_dwarf = NULL; 1161254721Semaste if (sc_scope) 1162254721Semaste { 1163254721Semaste SymbolContext sc; 1164254721Semaste sc_scope->CalculateSymbolContext(&sc); 1165254721Semaste 1166254721Semaste CompileUnitInfo *cu_info = GetCompUnitInfo (sc); 1167254721Semaste if (cu_info) 1168254721Semaste { 1169254721Semaste oso_dwarf = GetSymbolFileByCompUnitInfo (cu_info); 1170254721Semaste if (oso_dwarf) 1171254721Semaste oso_dwarf->GetTypes (sc_scope, type_mask, type_list); 1172254721Semaste } 1173254721Semaste } 1174254721Semaste else 1175254721Semaste { 1176288943Sdim ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { 1177254721Semaste oso_dwarf->GetTypes (sc_scope, type_mask, type_list); 1178288943Sdim return false; 1179288943Sdim }); 1180254721Semaste } 1181254721Semaste return type_list.GetSize() - initial_size; 1182254721Semaste} 1183254721Semaste 1184254721SemasteTypeSP 1185254721SemasteSymbolFileDWARFDebugMap::FindDefinitionTypeForDWARFDeclContext (const DWARFDeclContext &die_decl_ctx) 1186254721Semaste{ 1187254721Semaste TypeSP type_sp; 1188288943Sdim ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { 1189254721Semaste type_sp = oso_dwarf->FindDefinitionTypeForDWARFDeclContext (die_decl_ctx); 1190288943Sdim return ((bool)type_sp); 1191288943Sdim }); 1192254721Semaste return type_sp; 1193254721Semaste} 1194254721Semaste 1195254721Semastebool 1196254721SemasteSymbolFileDWARFDebugMap::Supports_DW_AT_APPLE_objc_complete_type (SymbolFileDWARF *skip_dwarf_oso) 1197254721Semaste{ 1198254721Semaste if (m_supports_DW_AT_APPLE_objc_complete_type == eLazyBoolCalculate) 1199254721Semaste { 1200254721Semaste m_supports_DW_AT_APPLE_objc_complete_type = eLazyBoolNo; 1201288943Sdim ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { 1202254721Semaste if (skip_dwarf_oso != oso_dwarf && oso_dwarf->Supports_DW_AT_APPLE_objc_complete_type(NULL)) 1203254721Semaste { 1204254721Semaste m_supports_DW_AT_APPLE_objc_complete_type = eLazyBoolYes; 1205288943Sdim return true; 1206254721Semaste } 1207288943Sdim return false; 1208288943Sdim }); 1209254721Semaste } 1210254721Semaste return m_supports_DW_AT_APPLE_objc_complete_type == eLazyBoolYes; 1211254721Semaste} 1212254721Semaste 1213254721SemasteTypeSP 1214296417SdimSymbolFileDWARFDebugMap::FindCompleteObjCDefinitionTypeForDIE (const DWARFDIE &die, 1215254721Semaste const ConstString &type_name, 1216254721Semaste bool must_be_implementation) 1217254721Semaste{ 1218288943Sdim // If we have a debug map, we will have an Objective C symbol whose name is 1219288943Sdim // the type name and whose type is eSymbolTypeObjCClass. If we can find that 1220288943Sdim // symbol and find its containing parent, we can locate the .o file that will 1221288943Sdim // contain the implementation definition since it will be scoped inside the N_SO 1222288943Sdim // and we can then locate the SymbolFileDWARF that corresponds to that N_SO. 1223288943Sdim SymbolFileDWARF *oso_dwarf = NULL; 1224254721Semaste TypeSP type_sp; 1225288943Sdim ObjectFile *module_objfile = m_obj_file->GetModule()->GetObjectFile(); 1226288943Sdim if (module_objfile) 1227254721Semaste { 1228288943Sdim Symtab *symtab = module_objfile->GetSymtab(); 1229288943Sdim if (symtab) 1230288943Sdim { 1231288943Sdim Symbol *objc_class_symbol = symtab->FindFirstSymbolWithNameAndType(type_name, eSymbolTypeObjCClass, Symtab::eDebugAny, Symtab::eVisibilityAny); 1232288943Sdim if (objc_class_symbol) 1233288943Sdim { 1234288943Sdim // Get the N_SO symbol that contains the objective C class symbol as this 1235288943Sdim // should be the .o file that contains the real definition... 1236288943Sdim const Symbol *source_file_symbol = symtab->GetParent(objc_class_symbol); 1237288943Sdim 1238288943Sdim if (source_file_symbol && source_file_symbol->GetType() == eSymbolTypeSourceFile) 1239288943Sdim { 1240288943Sdim const uint32_t source_file_symbol_idx = symtab->GetIndexForSymbol(source_file_symbol); 1241288943Sdim if (source_file_symbol_idx != UINT32_MAX) 1242288943Sdim { 1243288943Sdim CompileUnitInfo *compile_unit_info = GetCompileUnitInfoForSymbolWithIndex (source_file_symbol_idx, NULL); 1244288943Sdim if (compile_unit_info) 1245288943Sdim { 1246288943Sdim oso_dwarf = GetSymbolFileByCompUnitInfo (compile_unit_info); 1247288943Sdim if (oso_dwarf) 1248288943Sdim { 1249288943Sdim TypeSP type_sp (oso_dwarf->FindCompleteObjCDefinitionTypeForDIE (die, type_name, must_be_implementation)); 1250288943Sdim if (type_sp) 1251288943Sdim { 1252288943Sdim return type_sp; 1253288943Sdim } 1254288943Sdim } 1255288943Sdim } 1256288943Sdim } 1257288943Sdim } 1258288943Sdim } 1259288943Sdim } 1260254721Semaste } 1261288943Sdim 1262288943Sdim // Only search all .o files for the definition if we don't need the implementation 1263288943Sdim // because otherwise, with a valid debug map we should have the ObjC class symbol and 1264288943Sdim // the code above should have found it. 1265288943Sdim if (must_be_implementation == false) 1266288943Sdim { 1267288943Sdim TypeSP type_sp; 1268288943Sdim 1269288943Sdim ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { 1270288943Sdim type_sp = oso_dwarf->FindCompleteObjCDefinitionTypeForDIE (die, type_name, must_be_implementation); 1271288943Sdim return (bool)type_sp; 1272288943Sdim }); 1273288943Sdim 1274288943Sdim return type_sp; 1275288943Sdim } 1276288943Sdim return TypeSP(); 1277254721Semaste} 1278254721Semaste 1279254721Semasteuint32_t 1280254721SemasteSymbolFileDWARFDebugMap::FindTypes 1281254721Semaste( 1282254721Semaste const SymbolContext& sc, 1283254721Semaste const ConstString &name, 1284296417Sdim const CompilerDeclContext *parent_decl_ctx, 1285296417Sdim bool append, 1286309124Sdim uint32_t max_matches, 1287309124Sdim llvm::DenseSet<lldb_private::SymbolFile *> &searched_symbol_files, 1288296417Sdim TypeMap& types 1289254721Semaste) 1290254721Semaste{ 1291254721Semaste if (!append) 1292254721Semaste types.Clear(); 1293254721Semaste 1294254721Semaste const uint32_t initial_types_size = types.GetSize(); 1295254721Semaste SymbolFileDWARF *oso_dwarf; 1296254721Semaste 1297254721Semaste if (sc.comp_unit) 1298254721Semaste { 1299254721Semaste oso_dwarf = GetSymbolFile (sc); 1300254721Semaste if (oso_dwarf) 1301309124Sdim return oso_dwarf->FindTypes (sc, name, parent_decl_ctx, append, max_matches, searched_symbol_files, types); 1302254721Semaste } 1303254721Semaste else 1304254721Semaste { 1305288943Sdim ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { 1306309124Sdim oso_dwarf->FindTypes (sc, name, parent_decl_ctx, append, max_matches, searched_symbol_files, types); 1307309124Sdim if (types.GetSize() >= max_matches) 1308309124Sdim return true; 1309309124Sdim else 1310309124Sdim return false; 1311288943Sdim }); 1312254721Semaste } 1313254721Semaste 1314254721Semaste return types.GetSize() - initial_types_size; 1315254721Semaste} 1316254721Semaste 1317254721Semaste// 1318254721Semaste//uint32_t 1319254721Semaste//SymbolFileDWARFDebugMap::FindTypes (const SymbolContext& sc, const RegularExpression& regex, bool append, uint32_t max_matches, Type::Encoding encoding, lldb::user_id_t udt_uid, TypeList& types) 1320254721Semaste//{ 1321254721Semaste// SymbolFileDWARF *oso_dwarf = GetSymbolFile (sc); 1322254721Semaste// if (oso_dwarf) 1323254721Semaste// return oso_dwarf->FindTypes (sc, regex, append, max_matches, encoding, udt_uid, types); 1324254721Semaste// return 0; 1325254721Semaste//} 1326254721Semaste 1327254721Semaste 1328296417SdimCompilerDeclContext 1329254721SemasteSymbolFileDWARFDebugMap::FindNamespace (const lldb_private::SymbolContext& sc, 1330254721Semaste const lldb_private::ConstString &name, 1331296417Sdim const CompilerDeclContext *parent_decl_ctx) 1332254721Semaste{ 1333296417Sdim CompilerDeclContext matching_namespace; 1334254721Semaste SymbolFileDWARF *oso_dwarf; 1335254721Semaste 1336254721Semaste if (sc.comp_unit) 1337254721Semaste { 1338254721Semaste oso_dwarf = GetSymbolFile (sc); 1339254721Semaste if (oso_dwarf) 1340296417Sdim matching_namespace = oso_dwarf->FindNamespace (sc, name, parent_decl_ctx); 1341254721Semaste } 1342254721Semaste else 1343254721Semaste { 1344288943Sdim ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { 1345296417Sdim matching_namespace = oso_dwarf->FindNamespace (sc, name, parent_decl_ctx); 1346254721Semaste 1347288943Sdim return (bool)matching_namespace; 1348288943Sdim }); 1349254721Semaste } 1350254721Semaste 1351254721Semaste return matching_namespace; 1352254721Semaste} 1353254721Semaste 1354254721Semaste//------------------------------------------------------------------ 1355254721Semaste// PluginInterface protocol 1356254721Semaste//------------------------------------------------------------------ 1357254721Semastelldb_private::ConstString 1358254721SemasteSymbolFileDWARFDebugMap::GetPluginName() 1359254721Semaste{ 1360254721Semaste return GetPluginNameStatic(); 1361254721Semaste} 1362254721Semaste 1363254721Semasteuint32_t 1364254721SemasteSymbolFileDWARFDebugMap::GetPluginVersion() 1365254721Semaste{ 1366254721Semaste return 1; 1367254721Semaste} 1368254721Semaste 1369254721Semastelldb::CompUnitSP 1370254721SemasteSymbolFileDWARFDebugMap::GetCompileUnit (SymbolFileDWARF *oso_dwarf) 1371254721Semaste{ 1372254721Semaste if (oso_dwarf) 1373254721Semaste { 1374254721Semaste const uint32_t cu_count = GetNumCompileUnits(); 1375254721Semaste for (uint32_t cu_idx=0; cu_idx<cu_count; ++cu_idx) 1376254721Semaste { 1377254721Semaste SymbolFileDWARF *oso_symfile = GetSymbolFileByCompUnitInfo (&m_compile_unit_infos[cu_idx]); 1378254721Semaste if (oso_symfile == oso_dwarf) 1379254721Semaste { 1380254721Semaste if (!m_compile_unit_infos[cu_idx].compile_unit_sp) 1381254721Semaste m_compile_unit_infos[cu_idx].compile_unit_sp = ParseCompileUnitAtIndex (cu_idx); 1382254721Semaste 1383254721Semaste return m_compile_unit_infos[cu_idx].compile_unit_sp; 1384254721Semaste } 1385254721Semaste } 1386254721Semaste } 1387254721Semaste assert(!"this shouldn't happen"); 1388254721Semaste return lldb::CompUnitSP(); 1389254721Semaste} 1390254721Semaste 1391254721SemasteSymbolFileDWARFDebugMap::CompileUnitInfo * 1392254721SemasteSymbolFileDWARFDebugMap::GetCompileUnitInfo (SymbolFileDWARF *oso_dwarf) 1393254721Semaste{ 1394254721Semaste if (oso_dwarf) 1395254721Semaste { 1396254721Semaste const uint32_t cu_count = GetNumCompileUnits(); 1397254721Semaste for (uint32_t cu_idx=0; cu_idx<cu_count; ++cu_idx) 1398254721Semaste { 1399254721Semaste SymbolFileDWARF *oso_symfile = GetSymbolFileByCompUnitInfo (&m_compile_unit_infos[cu_idx]); 1400254721Semaste if (oso_symfile == oso_dwarf) 1401254721Semaste { 1402254721Semaste return &m_compile_unit_infos[cu_idx]; 1403254721Semaste } 1404254721Semaste } 1405254721Semaste } 1406254721Semaste return NULL; 1407254721Semaste} 1408254721Semaste 1409254721Semastevoid 1410254721SemasteSymbolFileDWARFDebugMap::SetCompileUnit (SymbolFileDWARF *oso_dwarf, const CompUnitSP &cu_sp) 1411254721Semaste{ 1412254721Semaste if (oso_dwarf) 1413254721Semaste { 1414254721Semaste const uint32_t cu_count = GetNumCompileUnits(); 1415254721Semaste for (uint32_t cu_idx=0; cu_idx<cu_count; ++cu_idx) 1416254721Semaste { 1417254721Semaste SymbolFileDWARF *oso_symfile = GetSymbolFileByCompUnitInfo (&m_compile_unit_infos[cu_idx]); 1418254721Semaste if (oso_symfile == oso_dwarf) 1419254721Semaste { 1420254721Semaste if (m_compile_unit_infos[cu_idx].compile_unit_sp) 1421254721Semaste { 1422254721Semaste assert (m_compile_unit_infos[cu_idx].compile_unit_sp.get() == cu_sp.get()); 1423254721Semaste } 1424254721Semaste else 1425254721Semaste { 1426254721Semaste m_compile_unit_infos[cu_idx].compile_unit_sp = cu_sp; 1427254721Semaste m_obj_file->GetModule()->GetSymbolVendor()->SetCompileUnitAtIndex(cu_idx, cu_sp); 1428254721Semaste } 1429254721Semaste } 1430254721Semaste } 1431254721Semaste } 1432254721Semaste} 1433254721Semaste 1434296417SdimCompilerDeclContext 1435296417SdimSymbolFileDWARFDebugMap::GetDeclContextForUID (lldb::user_id_t type_uid) 1436254721Semaste{ 1437254721Semaste const uint64_t oso_idx = GetOSOIndexFromUserID (type_uid); 1438254721Semaste SymbolFileDWARF *oso_dwarf = GetSymbolFileByOSOIndex (oso_idx); 1439254721Semaste if (oso_dwarf) 1440296417Sdim return oso_dwarf->GetDeclContextForUID (type_uid); 1441296417Sdim return CompilerDeclContext(); 1442254721Semaste} 1443254721Semaste 1444296417SdimCompilerDeclContext 1445296417SdimSymbolFileDWARFDebugMap::GetDeclContextContainingUID (lldb::user_id_t type_uid) 1446254721Semaste{ 1447254721Semaste const uint64_t oso_idx = GetOSOIndexFromUserID (type_uid); 1448254721Semaste SymbolFileDWARF *oso_dwarf = GetSymbolFileByOSOIndex (oso_idx); 1449254721Semaste if (oso_dwarf) 1450296417Sdim return oso_dwarf->GetDeclContextContainingUID (type_uid); 1451296417Sdim return CompilerDeclContext(); 1452254721Semaste} 1453254721Semaste 1454296417Sdimvoid 1455296417SdimSymbolFileDWARFDebugMap::ParseDeclsForContext (lldb_private::CompilerDeclContext decl_ctx) 1456296417Sdim{ 1457296417Sdim ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { 1458296417Sdim oso_dwarf->ParseDeclsForContext (decl_ctx); 1459296417Sdim return true; // Keep iterating 1460296417Sdim }); 1461296417Sdim} 1462296417Sdim 1463254721Semastebool 1464254721SemasteSymbolFileDWARFDebugMap::AddOSOFileRange (CompileUnitInfo *cu_info, 1465254721Semaste lldb::addr_t exe_file_addr, 1466309124Sdim lldb::addr_t exe_byte_size, 1467254721Semaste lldb::addr_t oso_file_addr, 1468254721Semaste lldb::addr_t oso_byte_size) 1469254721Semaste{ 1470254721Semaste const uint32_t debug_map_idx = m_debug_map.FindEntryIndexThatContains(exe_file_addr); 1471254721Semaste if (debug_map_idx != UINT32_MAX) 1472254721Semaste { 1473254721Semaste DebugMap::Entry *debug_map_entry = m_debug_map.FindEntryThatContains(exe_file_addr); 1474254721Semaste debug_map_entry->data.SetOSOFileAddress(oso_file_addr); 1475309124Sdim addr_t range_size = std::min<addr_t>(exe_byte_size, oso_byte_size); 1476309124Sdim if (range_size == 0) 1477309124Sdim { 1478309124Sdim range_size = std::max<addr_t>(exe_byte_size, oso_byte_size); 1479309124Sdim if (range_size == 0) 1480309124Sdim range_size = 1; 1481309124Sdim } 1482309124Sdim cu_info->file_range_map.Append(FileRangeMap::Entry(oso_file_addr, range_size, exe_file_addr)); 1483254721Semaste return true; 1484254721Semaste } 1485254721Semaste return false; 1486254721Semaste} 1487254721Semaste 1488254721Semastevoid 1489254721SemasteSymbolFileDWARFDebugMap::FinalizeOSOFileRanges (CompileUnitInfo *cu_info) 1490254721Semaste{ 1491254721Semaste cu_info->file_range_map.Sort(); 1492254721Semaste#if defined(DEBUG_OSO_DMAP) 1493254721Semaste const FileRangeMap &oso_file_range_map = cu_info->GetFileRangeMap(this); 1494254721Semaste const size_t n = oso_file_range_map.GetSize(); 1495254721Semaste printf ("SymbolFileDWARFDebugMap::FinalizeOSOFileRanges (cu_info = %p) %s\n", 1496254721Semaste cu_info, 1497254721Semaste cu_info->oso_sp->module_sp->GetFileSpec().GetPath().c_str()); 1498254721Semaste for (size_t i=0; i<n; ++i) 1499254721Semaste { 1500254721Semaste const FileRangeMap::Entry &entry = oso_file_range_map.GetEntryRef(i); 1501254721Semaste printf ("oso [0x%16.16" PRIx64 " - 0x%16.16" PRIx64 ") ==> exe [0x%16.16" PRIx64 " - 0x%16.16" PRIx64 ")\n", 1502254721Semaste entry.GetRangeBase(), entry.GetRangeEnd(), 1503254721Semaste entry.data, entry.data + entry.GetByteSize()); 1504254721Semaste } 1505254721Semaste#endif 1506254721Semaste} 1507254721Semaste 1508254721Semastelldb::addr_t 1509254721SemasteSymbolFileDWARFDebugMap::LinkOSOFileAddress (SymbolFileDWARF *oso_symfile, lldb::addr_t oso_file_addr) 1510254721Semaste{ 1511254721Semaste CompileUnitInfo *cu_info = GetCompileUnitInfo (oso_symfile); 1512254721Semaste if (cu_info) 1513254721Semaste { 1514254721Semaste const FileRangeMap::Entry *oso_range_entry = cu_info->GetFileRangeMap(this).FindEntryThatContains(oso_file_addr); 1515254721Semaste if (oso_range_entry) 1516254721Semaste { 1517254721Semaste const DebugMap::Entry *debug_map_entry = m_debug_map.FindEntryThatContains(oso_range_entry->data); 1518254721Semaste if (debug_map_entry) 1519254721Semaste { 1520254721Semaste const lldb::addr_t offset = oso_file_addr - oso_range_entry->GetRangeBase(); 1521254721Semaste const lldb::addr_t exe_file_addr = debug_map_entry->GetRangeBase() + offset; 1522254721Semaste return exe_file_addr; 1523254721Semaste } 1524254721Semaste } 1525254721Semaste } 1526254721Semaste return LLDB_INVALID_ADDRESS; 1527254721Semaste} 1528254721Semaste 1529254721Semastebool 1530254721SemasteSymbolFileDWARFDebugMap::LinkOSOAddress (Address &addr) 1531254721Semaste{ 1532254721Semaste // Make sure this address hasn't been fixed already 1533254721Semaste Module *exe_module = GetObjectFile()->GetModule().get(); 1534254721Semaste Module *addr_module = addr.GetModule().get(); 1535254721Semaste if (addr_module == exe_module) 1536254721Semaste return true; // Address is already in terms of the main executable module 1537254721Semaste 1538254721Semaste CompileUnitInfo *cu_info = GetCompileUnitInfo (GetSymbolFileAsSymbolFileDWARF(addr_module->GetSymbolVendor()->GetSymbolFile())); 1539254721Semaste if (cu_info) 1540254721Semaste { 1541254721Semaste const lldb::addr_t oso_file_addr = addr.GetFileAddress(); 1542254721Semaste const FileRangeMap::Entry *oso_range_entry = cu_info->GetFileRangeMap(this).FindEntryThatContains(oso_file_addr); 1543254721Semaste if (oso_range_entry) 1544254721Semaste { 1545254721Semaste const DebugMap::Entry *debug_map_entry = m_debug_map.FindEntryThatContains(oso_range_entry->data); 1546254721Semaste if (debug_map_entry) 1547254721Semaste { 1548254721Semaste const lldb::addr_t offset = oso_file_addr - oso_range_entry->GetRangeBase(); 1549254721Semaste const lldb::addr_t exe_file_addr = debug_map_entry->GetRangeBase() + offset; 1550254721Semaste return exe_module->ResolveFileAddress(exe_file_addr, addr); 1551254721Semaste } 1552254721Semaste } 1553254721Semaste } 1554254721Semaste return true; 1555254721Semaste} 1556254721Semaste 1557254721SemasteLineTable * 1558254721SemasteSymbolFileDWARFDebugMap::LinkOSOLineTable (SymbolFileDWARF *oso_dwarf, LineTable *line_table) 1559254721Semaste{ 1560254721Semaste CompileUnitInfo *cu_info = GetCompileUnitInfo (oso_dwarf); 1561254721Semaste if (cu_info) 1562254721Semaste return line_table->LinkLineTable(cu_info->GetFileRangeMap(this)); 1563254721Semaste return NULL; 1564254721Semaste} 1565254721Semaste 1566254721Semastesize_t 1567254721SemasteSymbolFileDWARFDebugMap::AddOSOARanges (SymbolFileDWARF* dwarf2Data, DWARFDebugAranges* debug_aranges) 1568254721Semaste{ 1569254721Semaste size_t num_line_entries_added = 0; 1570254721Semaste if (debug_aranges && dwarf2Data) 1571254721Semaste { 1572254721Semaste CompileUnitInfo *compile_unit_info = GetCompileUnitInfo(dwarf2Data); 1573254721Semaste if (compile_unit_info) 1574254721Semaste { 1575254721Semaste const FileRangeMap &file_range_map = compile_unit_info->GetFileRangeMap(this); 1576254721Semaste for (size_t idx = 0; 1577254721Semaste idx < file_range_map.GetSize(); 1578254721Semaste idx++) 1579254721Semaste { 1580254721Semaste const FileRangeMap::Entry* entry = file_range_map.GetEntryAtIndex(idx); 1581254721Semaste if (entry) 1582254721Semaste { 1583254721Semaste debug_aranges->AppendRange(dwarf2Data->GetID(), entry->GetRangeBase(), entry->GetRangeEnd()); 1584254721Semaste num_line_entries_added++; 1585254721Semaste } 1586254721Semaste } 1587254721Semaste } 1588254721Semaste } 1589254721Semaste return num_line_entries_added; 1590254721Semaste} 1591