Coverage Report

Created: 2022-01-18 06:27

/Users/buildslave/jenkins/workspace/coverage/llvm-project/lldb/source/Plugins/SymbolFile/DWARF/DWARFDebugArangeSet.h
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//===-- DWARFDebugArangeSet.h -----------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGARANGESET_H
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#define LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGARANGESET_H
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#include "lldb/Core/dwarf.h"
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#include <cstdint>
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#include <vector>
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class DWARFDebugArangeSet {
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public:
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  struct Header {
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    /// The total length of the entries for that set, not including the length
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    /// field itself.
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    uint32_t length = 0;
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    /// The DWARF version number.
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    uint16_t version = 0;
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    /// The offset from the beginning of the .debug_info section of the
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    /// compilation unit entry referenced by the table.
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    uint32_t cu_offset = 0;
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    /// The size in bytes of an address on the target architecture. For
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    /// segmented addressing, this is the size of the offset portion of the
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    /// address.
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    uint8_t addr_size = 0;
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    /// The size in bytes of a segment descriptor on the target architecture.
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    /// If the target system uses a flat address space, this value is 0.
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    uint8_t seg_size = 0;
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  };
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  struct Descriptor {
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    dw_addr_t address;
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    dw_addr_t length;
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    dw_addr_t end_address() const { return address + length; }
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  };
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  DWARFDebugArangeSet();
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  void Clear();
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  void SetOffset(uint32_t offset) { m_offset = offset; }
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  llvm::Error extract(const lldb_private::DWARFDataExtractor &data,
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                      lldb::offset_t *offset_ptr);
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  dw_offset_t FindAddress(dw_addr_t address) const;
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1.21k
  size_t NumDescriptors() const { return m_arange_descriptors.size(); }
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  const Header &GetHeader() const { return m_header; }
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  dw_offset_t GetNextOffset() const { return m_next_offset; }
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  const Descriptor &GetDescriptorRef(uint32_t i) const {
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    return m_arange_descriptors[i];
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  }
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protected:
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  typedef std::vector<Descriptor> DescriptorColl;
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  typedef DescriptorColl::iterator DescriptorIter;
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  typedef DescriptorColl::const_iterator DescriptorConstIter;
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  dw_offset_t m_offset;
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  dw_offset_t m_next_offset;
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  Header m_header;
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  DescriptorColl m_arange_descriptors;
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};
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#endif // LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGARANGESET_H