diff options
Diffstat (limited to 'lldb/source/Plugins/SymbolFile/DWARF/AppleDWARFIndex.cpp')
| -rw-r--r-- | lldb/source/Plugins/SymbolFile/DWARF/AppleDWARFIndex.cpp | 306 |
1 files changed, 0 insertions, 306 deletions
diff --git a/lldb/source/Plugins/SymbolFile/DWARF/AppleDWARFIndex.cpp b/lldb/source/Plugins/SymbolFile/DWARF/AppleDWARFIndex.cpp deleted file mode 100644 index 6bd4b299ff8..00000000000 --- a/lldb/source/Plugins/SymbolFile/DWARF/AppleDWARFIndex.cpp +++ /dev/null @@ -1,306 +0,0 @@ -//===-- AppleDWARFIndex.cpp ------------------------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "Plugins/SymbolFile/DWARF/AppleDWARFIndex.h" -#include "Plugins/SymbolFile/DWARF/DWARFDebugInfo.h" -#include "Plugins/SymbolFile/DWARF/DWARFDeclContext.h" -#include "Plugins/SymbolFile/DWARF/DWARFUnit.h" -#include "Plugins/SymbolFile/DWARF/LogChannelDWARF.h" - -#include "Plugins/Language/CPlusPlus/CPlusPlusLanguage.h" -#include "Plugins/Language/ObjC/ObjCLanguage.h" -#include "lldb/Core/Module.h" -#include "lldb/Symbol/Function.h" - -using namespace lldb_private; -using namespace lldb; - -std::unique_ptr<AppleDWARFIndex> AppleDWARFIndex::Create( - Module &module, DWARFDataExtractor apple_names, - DWARFDataExtractor apple_namespaces, DWARFDataExtractor apple_types, - DWARFDataExtractor apple_objc, DWARFDataExtractor debug_str) { - auto apple_names_table_up = llvm::make_unique<DWARFMappedHash::MemoryTable>( - apple_names, debug_str, ".apple_names"); - if (!apple_names_table_up->IsValid()) - apple_names_table_up.reset(); - - auto apple_namespaces_table_up = - llvm::make_unique<DWARFMappedHash::MemoryTable>( - apple_namespaces, debug_str, ".apple_namespaces"); - if (!apple_namespaces_table_up->IsValid()) - apple_namespaces_table_up.reset(); - - auto apple_types_table_up = llvm::make_unique<DWARFMappedHash::MemoryTable>( - apple_types, debug_str, ".apple_types"); - if (!apple_types_table_up->IsValid()) - apple_types_table_up.reset(); - - auto apple_objc_table_up = llvm::make_unique<DWARFMappedHash::MemoryTable>( - apple_objc, debug_str, ".apple_objc"); - if (!apple_objc_table_up->IsValid()) - apple_objc_table_up.reset(); - - if (apple_names_table_up || apple_names_table_up || apple_types_table_up || - apple_objc_table_up) - return llvm::make_unique<AppleDWARFIndex>( - module, std::move(apple_names_table_up), - std::move(apple_namespaces_table_up), std::move(apple_types_table_up), - std::move(apple_objc_table_up)); - - return nullptr; -} - -void AppleDWARFIndex::GetGlobalVariables(ConstString name, DIEArray &offsets) { - if (!m_apple_names_up) - return; - - const char *name_cstr = name.GetCString(); - llvm::StringRef basename; - llvm::StringRef context; - - if (!CPlusPlusLanguage::ExtractContextAndIdentifier(name_cstr, context, - basename)) - basename = name_cstr; - - m_apple_names_up->FindByName(basename, offsets); -} - -void AppleDWARFIndex::GetGlobalVariables(const RegularExpression ®ex, - DIEArray &offsets) { - if (!m_apple_names_up) - return; - - DWARFMappedHash::DIEInfoArray hash_data; - if (m_apple_names_up->AppendAllDIEsThatMatchingRegex(regex, hash_data)) - DWARFMappedHash::ExtractDIEArray(hash_data, offsets); -} - -void AppleDWARFIndex::GetGlobalVariables(const DWARFUnit &cu, - DIEArray &offsets) { - if (!m_apple_names_up) - return; - - DWARFMappedHash::DIEInfoArray hash_data; - if (m_apple_names_up->AppendAllDIEsInRange( - cu.GetOffset(), cu.GetNextCompileUnitOffset(), hash_data)) - DWARFMappedHash::ExtractDIEArray(hash_data, offsets); -} - -void AppleDWARFIndex::GetObjCMethods(ConstString class_name, - DIEArray &offsets) { - if (m_apple_objc_up) - m_apple_objc_up->FindByName(class_name.GetStringRef(), offsets); -} - -void AppleDWARFIndex::GetCompleteObjCClass(ConstString class_name, - bool must_be_implementation, - DIEArray &offsets) { - if (m_apple_types_up) { - m_apple_types_up->FindCompleteObjCClassByName( - class_name.GetStringRef(), offsets, must_be_implementation); - } -} - -void AppleDWARFIndex::GetTypes(ConstString name, DIEArray &offsets) { - if (m_apple_types_up) - m_apple_types_up->FindByName(name.GetStringRef(), offsets); -} - -void AppleDWARFIndex::GetTypes(const DWARFDeclContext &context, - DIEArray &offsets) { - if (!m_apple_types_up) - return; - - Log *log = LogChannelDWARF::GetLogIfAny(DWARF_LOG_TYPE_COMPLETION | - DWARF_LOG_LOOKUPS); - const bool has_tag = m_apple_types_up->GetHeader().header_data.ContainsAtom( - DWARFMappedHash::eAtomTypeTag); - const bool has_qualified_name_hash = - m_apple_types_up->GetHeader().header_data.ContainsAtom( - DWARFMappedHash::eAtomTypeQualNameHash); - const ConstString type_name(context[0].name); - const dw_tag_t tag = context[0].tag; - if (has_tag && has_qualified_name_hash) { - const char *qualified_name = context.GetQualifiedName(); - const uint32_t qualified_name_hash = llvm::djbHash(qualified_name); - if (log) - m_module.LogMessage(log, "FindByNameAndTagAndQualifiedNameHash()"); - m_apple_types_up->FindByNameAndTagAndQualifiedNameHash( - type_name.GetStringRef(), tag, qualified_name_hash, offsets); - } else if (has_tag) { - if (log) - m_module.LogMessage(log, "FindByNameAndTag()"); - m_apple_types_up->FindByNameAndTag(type_name.GetStringRef(), tag, offsets); - } else - m_apple_types_up->FindByName(type_name.GetStringRef(), offsets); -} - -void AppleDWARFIndex::GetNamespaces(ConstString name, DIEArray &offsets) { - if (m_apple_namespaces_up) - m_apple_namespaces_up->FindByName(name.GetStringRef(), offsets); -} - -void AppleDWARFIndex::GetFunctions( - ConstString name, DWARFDebugInfo &info, - llvm::function_ref<bool(const DWARFDIE &die, bool include_inlines, - lldb_private::SymbolContextList &sc_list)> - resolve_function, - llvm::function_ref<CompilerDeclContext(lldb::user_id_t type_uid)> - get_decl_context_containing_uid, - const CompilerDeclContext *parent_decl_ctx, uint32_t name_type_mask, - bool include_inlines, SymbolContextList &sc_list) { - if (!m_apple_names_up) - return; - - std::set<const DWARFDebugInfoEntry *> resolved_dies; - DIEArray offsets; - - uint32_t num_matches = 0; - - if (name_type_mask & eFunctionNameTypeFull) { - // If they asked for the full name, match what they typed. At some - // point we may want to canonicalize this (strip double spaces, etc. - // For now, we just add all the dies that we find by exact match. - num_matches = m_apple_names_up->FindByName(name.GetStringRef(), offsets); - for (uint32_t i = 0; i < num_matches; i++) { - const DIERef &die_ref = offsets[i]; - DWARFDIE die = info.GetDIE(die_ref); - if (die) { - if (!SymbolFileDWARF::DIEInDeclContext(parent_decl_ctx, die)) - continue; // The containing decl contexts don't match - - if (resolved_dies.find(die.GetDIE()) == resolved_dies.end()) { - if (resolve_function(die, include_inlines, sc_list)) - resolved_dies.insert(die.GetDIE()); - } - } else - ReportInvalidDIEOffset(die_ref.die_offset, name.GetStringRef()); - } - } - - if (name_type_mask & eFunctionNameTypeSelector) { - if (parent_decl_ctx && parent_decl_ctx->IsValid()) - return; // no selectors in namespaces - - num_matches = m_apple_names_up->FindByName(name.GetStringRef(), offsets); - // Now make sure these are actually ObjC methods. In this case we can - // simply look up the name, and if it is an ObjC method name, we're - // good. - - for (uint32_t i = 0; i < num_matches; i++) { - const DIERef &die_ref = offsets[i]; - DWARFDIE die = info.GetDIE(die_ref); - if (die) { - const char *die_name = die.GetName(); - if (ObjCLanguage::IsPossibleObjCMethodName(die_name)) { - if (resolved_dies.find(die.GetDIE()) == resolved_dies.end()) { - if (resolve_function(die, include_inlines, sc_list)) - resolved_dies.insert(die.GetDIE()); - } - } - } else - ReportInvalidDIEOffset(die_ref.die_offset, name.GetStringRef()); - } - offsets.clear(); - } - - if (((name_type_mask & eFunctionNameTypeMethod) && !parent_decl_ctx) || - name_type_mask & eFunctionNameTypeBase) { - // The apple_names table stores just the "base name" of C++ methods in - // the table. So we have to extract the base name, look that up, and - // if there is any other information in the name we were passed in we - // have to post-filter based on that. - - // FIXME: Arrange the logic above so that we don't calculate the base - // name twice: - num_matches = m_apple_names_up->FindByName(name.GetStringRef(), offsets); - - for (uint32_t i = 0; i < num_matches; i++) { - const DIERef &die_ref = offsets[i]; - DWARFDIE die = info.GetDIE(die_ref); - if (die) { - if (!SymbolFileDWARF::DIEInDeclContext(parent_decl_ctx, die)) - continue; // The containing decl contexts don't match - - // If we get to here, the die is good, and we should add it: - if (resolved_dies.find(die.GetDIE()) == resolved_dies.end() && - resolve_function(die, include_inlines, sc_list)) { - bool keep_die = true; - if ((name_type_mask & - (eFunctionNameTypeBase | eFunctionNameTypeMethod)) != - (eFunctionNameTypeBase | eFunctionNameTypeMethod)) { - // We are looking for either basenames or methods, so we need - // to trim out the ones we won't want by looking at the type - SymbolContext sc; - if (sc_list.GetLastContext(sc)) { - if (sc.block) { - // We have an inlined function - } else if (sc.function) { - Type *type = sc.function->GetType(); - - if (type) { - CompilerDeclContext decl_ctx = - get_decl_context_containing_uid(type->GetID()); - if (decl_ctx.IsStructUnionOrClass()) { - if (name_type_mask & eFunctionNameTypeBase) { - sc_list.RemoveContextAtIndex(sc_list.GetSize() - 1); - keep_die = false; - } - } else { - if (name_type_mask & eFunctionNameTypeMethod) { - sc_list.RemoveContextAtIndex(sc_list.GetSize() - 1); - keep_die = false; - } - } - } else { - m_module.ReportWarning( - "function at die offset 0x%8.8x had no function type", - die_ref.die_offset); - } - } - } - } - if (keep_die) - resolved_dies.insert(die.GetDIE()); - } - } else - ReportInvalidDIEOffset(die_ref.die_offset, name.GetStringRef()); - } - offsets.clear(); - } -} - -void AppleDWARFIndex::GetFunctions( - const RegularExpression ®ex, DWARFDebugInfo &info, - llvm::function_ref<bool(const DWARFDIE &die, bool include_inlines, - lldb_private::SymbolContextList &sc_list)> - resolve_function, - bool include_inlines, SymbolContextList &sc_list) { - if (!m_apple_names_up) - return; - - DIEArray offsets; - DWARFMappedHash::DIEInfoArray hash_data; - if (m_apple_names_up->AppendAllDIEsThatMatchingRegex(regex, hash_data)) { - DWARFMappedHash::ExtractDIEArray(hash_data, offsets); - ParseFunctions(offsets, info, resolve_function, include_inlines, sc_list); - } -} - -void AppleDWARFIndex::ReportInvalidDIEOffset(dw_offset_t offset, - llvm::StringRef name) { - m_module.ReportErrorIfModifyDetected( - "the DWARF debug information has been modified (accelerator table had " - "bad die 0x%8.8x for '%s')\n", - offset, name.str().c_str()); -} - -void AppleDWARFIndex::Dump(Stream &s) { - // TODO: Implement dumping. -} |
