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usr / src / contrib / llvm-project / lldb / source / Plugins / SymbolFile / DWARF /

📁 ..
📄 AppleDWARFIndex.cpp(7.64 KB)
📄 AppleDWARFIndex.h(3.23 KB)
📄 DIERef.cpp(768 B)
📄 DIERef.h(2.46 KB)
📄 DWARFASTParser.h(2.01 KB)
📄 DWARFASTParserClang.cpp(138.9 KB)
📄 DWARFASTParserClang.h(10.29 KB)
📄 DWARFAbbreviationDeclaration.cpp(2.96 KB)
📄 DWARFAbbreviationDeclaration.h(2.6 KB)
📄 DWARFAttribute.cpp(1.86 KB)
📄 DWARFAttribute.h(2.69 KB)
📄 DWARFBaseDIE.cpp(3.4 KB)
📄 DWARFBaseDIE.h(3.76 KB)
📄 DWARFCompileUnit.cpp(3.88 KB)
📄 DWARFCompileUnit.h(1.32 KB)
📄 DWARFContext.cpp(5.27 KB)
📄 DWARFContext.h(2.84 KB)
📄 DWARFDIE.cpp(11.88 KB)
📄 DWARFDIE.h(2.8 KB)
📄 DWARFDataExtractor.cpp(980 B)
📄 DWARFDataExtractor.h(1.25 KB)
📄 DWARFDebugAbbrev.cpp(4.6 KB)
📄 DWARFDebugAbbrev.h(2.92 KB)
📄 DWARFDebugArangeSet.cpp(5.4 KB)
📄 DWARFDebugArangeSet.h(2.35 KB)
📄 DWARFDebugAranges.cpp(2.89 KB)
📄 DWARFDebugAranges.h(1.6 KB)
📄 DWARFDebugInfo.cpp(6.65 KB)
📄 DWARFDebugInfo.h(2.84 KB)
📄 DWARFDebugInfoEntry.cpp(28.41 KB)
📄 DWARFDebugInfoEntry.h(7.26 KB)
📄 DWARFDebugMacro.cpp(4.35 KB)
📄 DWARFDebugMacro.h(1.74 KB)
📄 DWARFDebugRanges.cpp(4.12 KB)
📄 DWARFDebugRanges.h(1.41 KB)
📄 DWARFDeclContext.cpp(3.13 KB)
📄 DWARFDeclContext.h(2.53 KB)
📄 DWARFDefines.cpp(2.6 KB)
📄 DWARFDefines.h(1.09 KB)
📄 DWARFFormValue.cpp(16.48 KB)
📄 DWARFFormValue.h(3.27 KB)
📄 DWARFIndex.cpp(3.17 KB)
📄 DWARFIndex.h(3.76 KB)
📄 DWARFTypeUnit.cpp(857 B)
📄 DWARFTypeUnit.h(1.31 KB)
📄 DWARFUnit.cpp(32.71 KB)
📄 DWARFUnit.h(12.09 KB)
📄 DebugNamesDWARFIndex.cpp(9.7 KB)
📄 DebugNamesDWARFIndex.h(3.98 KB)
📄 HashedNameToDIE.cpp(19.9 KB)
📄 HashedNameToDIE.h(6.8 KB)
📄 LogChannelDWARF.cpp(1.13 KB)
📄 LogChannelDWARF.h(1.16 KB)
📄 ManualDWARFIndex.cpp(16.36 KB)
📄 ManualDWARFIndex.h(3.26 KB)
📄 NameToDIE.cpp(2.7 KB)
📄 NameToDIE.h(1.5 KB)
📄 SymbolFileDWARF.cpp(143.94 KB)
📄 SymbolFileDWARF.h(17.92 KB)
📄 SymbolFileDWARFDebugMap.cpp(54.3 KB)
📄 SymbolFileDWARFDebugMap.h(14.08 KB)
📄 SymbolFileDWARFDwo.cpp(4.41 KB)
📄 SymbolFileDWARFDwo.h(2.33 KB)
📄 SymbolFileDWARFProperties.td(285 B)
📄 UniqueDWARFASTType.cpp(2.84 KB)
📄 UniqueDWARFASTType.h(3.04 KB)

Editing: AppleDWARFIndex.cpp

//===-- AppleDWARFIndex.cpp -----------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "Plugins/SymbolFile/DWARF/AppleDWARFIndex.h"
#include "Plugins/SymbolFile/DWARF/DWARFDeclContext.h"
#include "Plugins/SymbolFile/DWARF/DWARFUnit.h"
#include "Plugins/SymbolFile/DWARF/LogChannelDWARF.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 = std::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 =
      std::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 = std::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 = std::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 std::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 basename, llvm::function_ref<bool(DWARFDIE die)> callback) {
  if (!m_apple_names_up)
    return;
  m_apple_names_up->FindByName(
      basename.GetStringRef(),
      DIERefCallback(callback, basename.GetStringRef()));
}

void AppleDWARFIndex::GetGlobalVariables(
    const RegularExpression &regex,
    llvm::function_ref<bool(DWARFDIE die)> callback) {
  if (!m_apple_names_up)
    return;

DWARFMappedHash::DIEInfoArray hash_data;
  m_apple_names_up->AppendAllDIEsThatMatchingRegex(regex, hash_data);
  // This is not really the DIE name.
  DWARFMappedHash::ExtractDIEArray(hash_data,
                                   DIERefCallback(callback, regex.GetText()));
}

void AppleDWARFIndex::GetGlobalVariables(
    const DWARFUnit &cu, llvm::function_ref<bool(DWARFDIE die)> callback) {
  if (!m_apple_names_up)
    return;

DWARFMappedHash::DIEInfoArray hash_data;
  m_apple_names_up->AppendAllDIEsInRange(cu.GetOffset(), cu.GetNextUnitOffset(),
                                         hash_data);
  DWARFMappedHash::ExtractDIEArray(hash_data, DIERefCallback(callback));
}

void AppleDWARFIndex::GetObjCMethods(
    ConstString class_name, llvm::function_ref<bool(DWARFDIE die)> callback) {
  if (!m_apple_objc_up)
    return;
  m_apple_objc_up->FindByName(
      class_name.GetStringRef(),
      DIERefCallback(callback, class_name.GetStringRef()));
}

void AppleDWARFIndex::GetCompleteObjCClass(
    ConstString class_name, bool must_be_implementation,
    llvm::function_ref<bool(DWARFDIE die)> callback) {
  if (!m_apple_types_up)
    return;
  m_apple_types_up->FindCompleteObjCClassByName(
      class_name.GetStringRef(),
      DIERefCallback(callback, class_name.GetStringRef()),
      must_be_implementation);
}

void AppleDWARFIndex::GetTypes(
    ConstString name, llvm::function_ref<bool(DWARFDIE die)> callback) {
  if (!m_apple_types_up)
    return;
  m_apple_types_up->FindByName(name.GetStringRef(),
                               DIERefCallback(callback, name.GetStringRef()));
}

void AppleDWARFIndex::GetTypes(
    const DWARFDeclContext &context,
    llvm::function_ref<bool(DWARFDIE die)> callback) {
  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,
        DIERefCallback(callback, type_name.GetStringRef()));
    return;
  }

if (has_tag) {
    // When searching for a scoped type (for example,
    // "std::vector<int>::const_iterator") searching for the innermost
    // name alone ("const_iterator") could yield many false
    // positives. By searching for the parent type ("vector<int>")
    // first we can avoid extracting type DIEs from object files that
    // would fail the filter anyway.
    if (!has_qualified_name_hash && (context.GetSize() > 1) &&
        (context[1].tag == DW_TAG_class_type ||
         context[1].tag == DW_TAG_structure_type)) {
      if (m_apple_types_up->FindByName(context[1].name,
                                       [&](DIERef ref) { return false; }))
        return;
    }

if (log)
      m_module.LogMessage(log, "FindByNameAndTag()");
    m_apple_types_up->FindByNameAndTag(
        type_name.GetStringRef(), tag,
        DIERefCallback(callback, type_name.GetStringRef()));
    return;
  }

m_apple_types_up->FindByName(
      type_name.GetStringRef(),
      DIERefCallback(callback, type_name.GetStringRef()));
}

void AppleDWARFIndex::GetNamespaces(
    ConstString name, llvm::function_ref<bool(DWARFDIE die)> callback) {
  if (!m_apple_namespaces_up)
    return;
  m_apple_namespaces_up->FindByName(
      name.GetStringRef(), DIERefCallback(callback, name.GetStringRef()));
}

void AppleDWARFIndex::GetFunctions(
    ConstString name, SymbolFileDWARF &dwarf,
    const CompilerDeclContext &parent_decl_ctx, uint32_t name_type_mask,
    llvm::function_ref<bool(DWARFDIE die)> callback) {
  m_apple_names_up->FindByName(name.GetStringRef(), [&](DIERef die_ref) {
    return ProcessFunctionDIE(name.GetStringRef(), die_ref, dwarf,
                              parent_decl_ctx, name_type_mask, callback);
  });
}

void AppleDWARFIndex::GetFunctions(
    const RegularExpression &regex,
    llvm::function_ref<bool(DWARFDIE die)> callback) {
  if (!m_apple_names_up)
    return;

DWARFMappedHash::DIEInfoArray hash_data;
  m_apple_names_up->AppendAllDIEsThatMatchingRegex(regex, hash_data);
  DWARFMappedHash::ExtractDIEArray(hash_data,
                                   DIERefCallback(callback, regex.GetText()));
}

void AppleDWARFIndex::Dump(Stream &s) {
  if (m_apple_names_up)
    s.PutCString(".apple_names index present\n");
  if (m_apple_namespaces_up)
    s.PutCString(".apple_namespaces index present\n");
  if (m_apple_types_up)
    s.PutCString(".apple_types index present\n");
  if (m_apple_objc_up)
    s.PutCString(".apple_objc index present\n");
  // TODO: Dump index contents
}

003 File Manager

Editing: AppleDWARFIndex.cpp

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