Coverage Report

Created: 2022-01-15 10:30

/Users/buildslave/jenkins/workspace/coverage/llvm-project/lldb/include/lldb/Utility/VMRange.h
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//===-- VMRange.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_UTILITY_VMRANGE_H
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#define LLDB_UTILITY_VMRANGE_H
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#include "lldb/lldb-types.h"
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#include "llvm/Support/raw_ostream.h"
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#include <cstddef>
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#include <cstdint>
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#include <vector>
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namespace lldb_private {
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// A vm address range. These can represent offsets ranges or actual
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// addresses.
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class VMRange {
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public:
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  typedef std::vector<VMRange> collection;
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  typedef collection::iterator iterator;
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  typedef collection::const_iterator const_iterator;
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2.40M
  VMRange() = default;
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  VMRange(lldb::addr_t start_addr, lldb::addr_t end_addr)
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      : m_base_addr(start_addr),
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2.27k
        m_byte_size(end_addr > start_addr ? end_addr - start_addr : 0) {}
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  ~VMRange() = default;
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  void Clear() {
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    m_base_addr = 0;
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    m_byte_size = 0;
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  }
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  // Set the start and end values
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  void Reset(lldb::addr_t start_addr, lldb::addr_t end_addr) {
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    SetBaseAddress(start_addr);
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    SetEndAddress(end_addr);
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  }
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  // Set the start value for the range, and keep the same size
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775k
  void SetBaseAddress(lldb::addr_t base_addr) { m_base_addr = base_addr; }
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  void SetEndAddress(lldb::addr_t end_addr) {
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    const lldb::addr_t base_addr = GetBaseAddress();
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    if (end_addr > base_addr)
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      m_byte_size = end_addr - base_addr;
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    else
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      m_byte_size = 0;
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  }
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  lldb::addr_t GetByteSize() const { return m_byte_size; }
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  void SetByteSize(lldb::addr_t byte_size) { m_byte_size = byte_size; }
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282M
  lldb::addr_t GetBaseAddress() const { return m_base_addr; }
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141M
  lldb::addr_t GetEndAddress() const { return GetBaseAddress() + m_byte_size; }
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  bool IsValid() const { return m_byte_size > 0; }
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141M
  bool Contains(lldb::addr_t addr) const {
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141M
    return (GetBaseAddress() <= addr) && 
(addr < GetEndAddress())141M
;
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141M
  }
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  bool Contains(const VMRange &range) const {
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    if (Contains(range.GetBaseAddress())) {
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      lldb::addr_t range_end = range.GetEndAddress();
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      return (GetBaseAddress() <= range_end) && (range_end <= GetEndAddress());
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    }
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    return false;
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  }
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  void Dump(llvm::raw_ostream &s, lldb::addr_t base_addr = 0,
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            uint32_t addr_width = 8) const;
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  static bool ContainsValue(const VMRange::collection &coll,
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                            lldb::addr_t value);
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  static bool ContainsRange(const VMRange::collection &coll,
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                            const VMRange &range);
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protected:
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  lldb::addr_t m_base_addr = 0;
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  lldb::addr_t m_byte_size = 0;
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};
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bool operator==(const VMRange &lhs, const VMRange &rhs);
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bool operator!=(const VMRange &lhs, const VMRange &rhs);
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bool operator<(const VMRange &lhs, const VMRange &rhs);
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bool operator<=(const VMRange &lhs, const VMRange &rhs);
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bool operator>(const VMRange &lhs, const VMRange &rhs);
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bool operator>=(const VMRange &lhs, const VMRange &rhs);
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} // namespace lldb_private
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#endif // LLDB_UTILITY_VMRANGE_H