6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
105 lines
3.1 KiB
C++
105 lines
3.1 KiB
C++
//===-- 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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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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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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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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lldb::addr_t GetBaseAddress() const { return m_base_addr; }
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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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bool Contains(lldb::addr_t addr) const {
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return (GetBaseAddress() <= addr) && (addr < GetEndAddress());
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}
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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
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