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

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: DWARFAbbreviationDeclaration.cpp

//===-- DWARFAbbreviationDeclaration.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 "DWARFAbbreviationDeclaration.h"

#include "lldb/Core/dwarf.h"
#include "lldb/Utility/Stream.h"

#include "llvm/Object/Error.h"

#include "DWARFFormValue.h"

using namespace lldb_private;

DWARFAbbreviationDeclaration::DWARFAbbreviationDeclaration()
    : m_code(InvalidCode), m_tag(llvm::dwarf::DW_TAG_null), m_has_children(0),
      m_attributes() {}

DWARFAbbreviationDeclaration::DWARFAbbreviationDeclaration(dw_tag_t tag,
                                                           uint8_t has_children)
    : m_code(InvalidCode), m_tag(tag), m_has_children(has_children),
      m_attributes() {}

llvm::Expected<DWARFEnumState>
DWARFAbbreviationDeclaration::extract(const DWARFDataExtractor &data,
                                      lldb::offset_t *offset_ptr) {
  m_code = data.GetULEB128(offset_ptr);
  if (m_code == 0)
    return DWARFEnumState::Complete;

m_attributes.clear();
  m_tag = static_cast<dw_tag_t>(data.GetULEB128(offset_ptr));
  if (m_tag == DW_TAG_null)
    return llvm::make_error<llvm::object::GenericBinaryError>(
        "abbrev decl requires non-null tag.");

m_has_children = data.GetU8(offset_ptr);

while (data.ValidOffset(*offset_ptr)) {
    dw_attr_t attr = data.GetULEB128(offset_ptr);
    dw_form_t form = data.GetULEB128(offset_ptr);

// This is the last attribute for this abbrev decl, but there may still be
    // more abbrev decls, so return MoreItems to indicate to the caller that
    // they should call this function again.
    if (!attr && !form)
      return DWARFEnumState::MoreItems;

if (!attr || !form)
      return llvm::make_error<llvm::object::GenericBinaryError>(
          "malformed abbreviation declaration attribute");

DWARFFormValue::ValueType val;

if (form == DW_FORM_implicit_const)
      val.value.sval = data.GetULEB128(offset_ptr);

m_attributes.push_back(DWARFAttribute(attr, form, val));
  }

return llvm::make_error<llvm::object::GenericBinaryError>(
      "abbreviation declaration attribute list not terminated with a null "
      "entry");
}

bool DWARFAbbreviationDeclaration::IsValid() {
  return m_code != 0 && m_tag != llvm::dwarf::DW_TAG_null;
}

uint32_t
DWARFAbbreviationDeclaration::FindAttributeIndex(dw_attr_t attr) const {
  uint32_t i;
  const uint32_t kNumAttributes = m_attributes.size();
  for (i = 0; i < kNumAttributes; ++i) {
    if (m_attributes[i].get_attr() == attr)
      return i;
  }
  return DW_INVALID_INDEX;
}

bool DWARFAbbreviationDeclaration::
operator==(const DWARFAbbreviationDeclaration &rhs) const {
  return Tag() == rhs.Tag() && HasChildren() == rhs.HasChildren() &&
         m_attributes == rhs.m_attributes;
}

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Editing: DWARFAbbreviationDeclaration.cpp

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