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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: DWARFCompileUnit.cpp

//===-- DWARFCompileUnit.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 "DWARFCompileUnit.h"
#include "DWARFDebugAranges.h"
#include "SymbolFileDWARFDebugMap.h"

#include "lldb/Symbol/CompileUnit.h"
#include "lldb/Symbol/LineTable.h"
#include "lldb/Utility/Stream.h"

using namespace lldb;
using namespace lldb_private;

void DWARFCompileUnit::Dump(Stream *s) const {
  s->Printf("0x%8.8x: Compile Unit: length = 0x%8.8x, version = 0x%4.4x, "
            "abbr_offset = 0x%8.8x, addr_size = 0x%2.2x (next CU at "
            "{0x%8.8x})\n",
            GetOffset(), GetLength(), GetVersion(), GetAbbrevOffset(),
            GetAddressByteSize(), GetNextUnitOffset());
}

void DWARFCompileUnit::BuildAddressRangeTable(
    DWARFDebugAranges *debug_aranges) {
  // This function is usually called if there in no .debug_aranges section in
  // order to produce a compile unit level set of address ranges that is
  // accurate.

size_t num_debug_aranges = debug_aranges->GetNumRanges();

// First get the compile unit DIE only and check contains ranges information.
  const DWARFDebugInfoEntry *die = GetUnitDIEPtrOnly();

const dw_offset_t cu_offset = GetOffset();
  if (die) {
    DWARFRangeList ranges;
    const size_t num_ranges =
        die->GetAttributeAddressRanges(this, ranges, /*check_hi_lo_pc=*/true);
    if (num_ranges > 0) {
      for (size_t i = 0; i < num_ranges; ++i) {
        const DWARFRangeList::Entry &range = ranges.GetEntryRef(i);
        debug_aranges->AppendRange(cu_offset, range.GetRangeBase(),
                                   range.GetRangeEnd());
      }

return;
    }
  }

if (debug_aranges->GetNumRanges() == num_debug_aranges) {
    // We got nothing from the debug info, maybe we have a line tables only
    // situation. Check the line tables and build the arange table from this.
    SymbolContext sc;
    sc.comp_unit = m_dwarf.GetCompUnitForDWARFCompUnit(*this);
    if (sc.comp_unit) {
      SymbolFileDWARFDebugMap *debug_map_sym_file =
          m_dwarf.GetDebugMapSymfile();
      if (debug_map_sym_file == nullptr) {
        if (LineTable *line_table = sc.comp_unit->GetLineTable()) {
          LineTable::FileAddressRanges file_ranges;
          const bool append = true;
          const size_t num_ranges =
              line_table->GetContiguousFileAddressRanges(file_ranges, append);
          for (uint32_t idx = 0; idx < num_ranges; ++idx) {
            const LineTable::FileAddressRanges::Entry &range =
                file_ranges.GetEntryRef(idx);
            debug_aranges->AppendRange(cu_offset, range.GetRangeBase(),
                                       range.GetRangeEnd());
          }
        }
      } else
        debug_map_sym_file->AddOSOARanges(&m_dwarf, debug_aranges);
    }
  }

if (debug_aranges->GetNumRanges() == num_debug_aranges) {
    // We got nothing from the functions, maybe we have a line tables only
    // situation. Check the line tables and build the arange table from this.
    SymbolContext sc;
    sc.comp_unit = m_dwarf.GetCompUnitForDWARFCompUnit(*this);
    if (sc.comp_unit) {
      if (LineTable *line_table = sc.comp_unit->GetLineTable()) {
        LineTable::FileAddressRanges file_ranges;
        const bool append = true;
        const size_t num_ranges =
            line_table->GetContiguousFileAddressRanges(file_ranges, append);
        for (uint32_t idx = 0; idx < num_ranges; ++idx) {
          const LineTable::FileAddressRanges::Entry &range =
              file_ranges.GetEntryRef(idx);
          debug_aranges->AppendRange(GetOffset(), range.GetRangeBase(),
                                     range.GetRangeEnd());
        }
      }
    }
  }
}

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Editing: DWARFCompileUnit.cpp

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