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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: DWARFDebugInfoEntry.h

//===-- DWARFDebugInfoEntry.h -----------------------------------*- C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//

#ifndef LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGINFOENTRY_H
#define LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGINFOENTRY_H

#include "SymbolFileDWARF.h"
#include "llvm/ADT/SmallVector.h"

#include "DWARFAbbreviationDeclaration.h"
#include "DWARFBaseDIE.h"
#include "DWARFDebugAbbrev.h"
#include "DWARFDebugRanges.h"
#include <map>
#include <set>
#include <vector>

class DWARFDeclContext;

#define DIE_SIBLING_IDX_BITSIZE 31

/// DWARFDebugInfoEntry objects assume that they are living in one big
/// vector and do pointer arithmetic on their this pointers. Don't
/// pass them by value. Due to the way they are constructed in a
/// std::vector, we cannot delete the copy constructor.
class DWARFDebugInfoEntry {
public:
  typedef std::vector<DWARFDebugInfoEntry> collection;
  typedef collection::iterator iterator;
  typedef collection::const_iterator const_iterator;

DWARFDebugInfoEntry()
      : m_offset(DW_INVALID_OFFSET), m_parent_idx(0), m_sibling_idx(0),
        m_has_children(false), m_abbr_idx(0), m_tag(llvm::dwarf::DW_TAG_null) {}

explicit operator bool() const { return m_offset != DW_INVALID_OFFSET; }
  bool operator==(const DWARFDebugInfoEntry &rhs) const;
  bool operator!=(const DWARFDebugInfoEntry &rhs) const;

void BuildFunctionAddressRangeTable(const DWARFUnit *cu,
                                      DWARFDebugAranges *debug_aranges) const;

bool Extract(const lldb_private::DWARFDataExtractor &data,
               const DWARFUnit *cu, lldb::offset_t *offset_ptr);

using Recurse = DWARFBaseDIE::Recurse;
  size_t GetAttributes(const DWARFUnit *cu, DWARFAttributes &attrs,
                       Recurse recurse = Recurse::yes) const {
    return GetAttributes(cu, attrs, recurse, 0 /* curr_depth */);
  }

dw_offset_t
  GetAttributeValue(const DWARFUnit *cu, const dw_attr_t attr,
                    DWARFFormValue &formValue,
                    dw_offset_t *end_attr_offset_ptr = nullptr,
                    bool check_specification_or_abstract_origin = false) const;

const char *GetAttributeValueAsString(
      const DWARFUnit *cu, const dw_attr_t attr, const char *fail_value,
      bool check_specification_or_abstract_origin = false) const;

uint64_t GetAttributeValueAsUnsigned(
      const DWARFUnit *cu, const dw_attr_t attr, uint64_t fail_value,
      bool check_specification_or_abstract_origin = false) const;

DWARFDIE GetAttributeValueAsReference(
      const DWARFUnit *cu, const dw_attr_t attr,
      bool check_specification_or_abstract_origin = false) const;

uint64_t GetAttributeValueAsAddress(
      const DWARFUnit *cu, const dw_attr_t attr, uint64_t fail_value,
      bool check_specification_or_abstract_origin = false) const;

dw_addr_t
  GetAttributeHighPC(const DWARFUnit *cu, dw_addr_t lo_pc, uint64_t fail_value,
                     bool check_specification_or_abstract_origin = false) const;

bool GetAttributeAddressRange(
      const DWARFUnit *cu, dw_addr_t &lo_pc, dw_addr_t &hi_pc,
      uint64_t fail_value,
      bool check_specification_or_abstract_origin = false) const;

size_t GetAttributeAddressRanges(
      DWARFUnit *cu, DWARFRangeList &ranges, bool check_hi_lo_pc,
      bool check_specification_or_abstract_origin = false) const;

const char *GetName(const DWARFUnit *cu) const;

const char *GetMangledName(const DWARFUnit *cu,
                             bool substitute_name_allowed = true) const;

const char *GetPubname(const DWARFUnit *cu) const;

const char *GetQualifiedName(DWARFUnit *cu, std::string &storage) const;

const char *GetQualifiedName(DWARFUnit *cu, const DWARFAttributes &attributes,
                               std::string &storage) const;

bool GetDIENamesAndRanges(
      DWARFUnit *cu, const char *&name, const char *&mangled,
      DWARFRangeList &rangeList, int &decl_file, int &decl_line,
      int &decl_column, int &call_file, int &call_line, int &call_column,
      lldb_private::DWARFExpression *frame_base = nullptr) const;

const DWARFAbbreviationDeclaration *
  GetAbbreviationDeclarationPtr(const DWARFUnit *cu) const;

lldb::offset_t GetFirstAttributeOffset() const;

dw_tag_t Tag() const { return m_tag; }

bool IsNULL() const { return m_abbr_idx == 0; }

dw_offset_t GetOffset() const { return m_offset; }

bool HasChildren() const { return m_has_children; }

void SetHasChildren(bool b) { m_has_children = b; }

// We know we are kept in a vector of contiguous entries, so we know
  // our parent will be some index behind "this".
  DWARFDebugInfoEntry *GetParent() {
    return m_parent_idx > 0 ? this - m_parent_idx : nullptr;
  }
  const DWARFDebugInfoEntry *GetParent() const {
    return m_parent_idx > 0 ? this - m_parent_idx : nullptr;
  }
  // We know we are kept in a vector of contiguous entries, so we know
  // our sibling will be some index after "this".
  DWARFDebugInfoEntry *GetSibling() {
    return m_sibling_idx > 0 ? this + m_sibling_idx : nullptr;
  }
  const DWARFDebugInfoEntry *GetSibling() const {
    return m_sibling_idx > 0 ? this + m_sibling_idx : nullptr;
  }
  // We know we are kept in a vector of contiguous entries, so we know
  // we don't need to store our child pointer, if we have a child it will
  // be the next entry in the list...
  DWARFDebugInfoEntry *GetFirstChild() {
    return HasChildren() ? this + 1 : nullptr;
  }
  const DWARFDebugInfoEntry *GetFirstChild() const {
    return HasChildren() ? this + 1 : nullptr;
  }

DWARFDeclContext GetDWARFDeclContext(DWARFUnit *cu) const;

DWARFDIE GetParentDeclContextDIE(DWARFUnit *cu) const;
  DWARFDIE GetParentDeclContextDIE(DWARFUnit *cu,
                                   const DWARFAttributes &attributes) const;

void SetSiblingIndex(uint32_t idx) { m_sibling_idx = idx; }
  void SetParentIndex(uint32_t idx) { m_parent_idx = idx; }

// This function returns true if the variable scope is either
  // global or (file-static). It will return false for static variables
  // that are local to a function, as they have local scope.
  bool IsGlobalOrStaticScopeVariable() const;

protected:
  static DWARFDeclContext
  GetDWARFDeclContextStatic(const DWARFDebugInfoEntry *die, DWARFUnit *cu);

dw_offset_t m_offset; // Offset within the .debug_info/.debug_types
  uint32_t m_parent_idx; // How many to subtract from "this" to get the parent.
                         // If zero this die has no parent
  uint32_t m_sibling_idx : 31, // How many to add to "this" to get the sibling.
      // If it is zero, then the DIE doesn't have children, or the
      // DWARF claimed it had children but the DIE only contained
      // a single NULL terminating child.
      m_has_children : 1;
  uint16_t m_abbr_idx;
  /// A copy of the DW_TAG value so we don't have to go through the compile
  /// unit abbrev table
  dw_tag_t m_tag = llvm::dwarf::DW_TAG_null;

private:
  size_t GetAttributes(const DWARFUnit *cu, DWARFAttributes &attrs,
                       Recurse recurse, uint32_t curr_depth) const;
};

#endif // LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGINFOENTRY_H

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Editing: DWARFDebugInfoEntry.h

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