LCOV - code coverage report
Current view: top level - include/llvm/DebugInfo/DWARF - DWARFDebugRnglists.h (source / functions) Hit Total Coverage
Test: llvm-toolchain.info Lines: 1 2 50.0 %
Date: 2018-10-20 13:21:21 Functions: 0 1 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : //===- DWARFDebugRnglists.h -------------------------------------*- C++ -*-===//
       2             : //
       3             : //                     The LLVM Compiler Infrastructure
       4             : //
       5             : // This file is distributed under the University of Illinois Open Source
       6             : // License. See LICENSE.TXT for details.
       7             : //
       8             : //===----------------------------------------------------------------------===//
       9             : 
      10             : #ifndef LLVM_DEBUGINFO_DWARFDEBUGRNGLISTS_H
      11             : #define LLVM_DEBUGINFO_DWARFDEBUGRNGLISTS_H
      12             : 
      13             : #include "llvm/BinaryFormat/Dwarf.h"
      14             : #include "llvm/DebugInfo/DIContext.h"
      15             : #include "llvm/DebugInfo/DWARF/DWARFDataExtractor.h"
      16             : #include "llvm/DebugInfo/DWARF/DWARFDebugRangeList.h"
      17             : #include "llvm/DebugInfo/DWARF/DWARFListTable.h"
      18             : #include <cstdint>
      19             : #include <map>
      20             : #include <vector>
      21             : 
      22             : namespace llvm {
      23             : 
      24             : class Error;
      25             : class raw_ostream;
      26             : 
      27             : /// A class representing a single range list entry.
      28             : struct RangeListEntry : public DWARFListEntryBase {
      29             :   /// The values making up the range list entry. Most represent a range with
      30             :   /// a start and end address or a start address and a length. Others are
      31             :   /// single value base addresses or end-of-list with no values. The unneeded
      32             :   /// values are semantically undefined, but initialized to 0.
      33             :   uint64_t Value0;
      34             :   uint64_t Value1;
      35             : 
      36             :   Error extract(DWARFDataExtractor Data, uint32_t End, uint32_t *OffsetPtr);
      37             :   void dump(raw_ostream &OS, uint8_t AddrSize, uint8_t MaxEncodingStringLength,
      38             :             uint64_t &CurrentBase, DIDumpOptions DumpOpts) const;
      39           0 :   bool isSentinel() const { return EntryKind == dwarf::DW_RLE_end_of_list; }
      40             : };
      41             : 
      42             : /// A class representing a single rangelist.
      43             : class DWARFDebugRnglist : public DWARFListType<RangeListEntry> {
      44             : public:
      45             :   /// Build a DWARFAddressRangesVector from a rangelist.
      46             :   DWARFAddressRangesVector
      47             :   getAbsoluteRanges(llvm::Optional<BaseAddress> BaseAddr) const;
      48             : };
      49             : 
      50          74 : class DWARFDebugRnglistTable : public DWARFListTableBase<DWARFDebugRnglist> {
      51             : public:
      52             :   DWARFDebugRnglistTable()
      53             :       : DWARFListTableBase(/* SectionName    = */ ".debug_rnglists",
      54             :                            /* HeaderString   = */ "ranges:",
      55             :                            /* ListTypeString = */ "range") {}
      56             : };
      57             : 
      58             : } // end namespace llvm
      59             : 
      60             : #endif // LLVM_DEBUGINFO_DWARFDEBUGRNGLISTS_H

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