1317027Sdim//===-- VMRange.h -----------------------------------------------*- C++ -*-===// 2317027Sdim// 3353358Sdim// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4353358Sdim// See https://llvm.org/LICENSE.txt for license information. 5353358Sdim// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6317027Sdim// 7317027Sdim//===----------------------------------------------------------------------===// 8317027Sdim 9317027Sdim#ifndef liblldb_VMRange_h_ 10317027Sdim#define liblldb_VMRange_h_ 11317027Sdim 12344779Sdim#include "lldb/lldb-types.h" 13360784Sdim#include "llvm/Support/raw_ostream.h" 14317027Sdim 15344779Sdim#include <stddef.h> 16344779Sdim#include <stdint.h> 17317027Sdim#include <vector> 18317027Sdim 19317027Sdimnamespace lldb_private { 20317027Sdim 21317027Sdim// A vm address range. These can represent offsets ranges or actual 22317027Sdim// addresses. 23317027Sdimclass VMRange { 24317027Sdimpublic: 25317027Sdim typedef std::vector<VMRange> collection; 26317027Sdim typedef collection::iterator iterator; 27317027Sdim typedef collection::const_iterator const_iterator; 28317027Sdim 29317027Sdim VMRange() : m_base_addr(0), m_byte_size(0) {} 30317027Sdim 31317027Sdim VMRange(lldb::addr_t start_addr, lldb::addr_t end_addr) 32317027Sdim : m_base_addr(start_addr), 33317027Sdim m_byte_size(end_addr > start_addr ? end_addr - start_addr : 0) {} 34317027Sdim 35317027Sdim ~VMRange() {} 36317027Sdim 37317027Sdim void Clear() { 38317027Sdim m_base_addr = 0; 39317027Sdim m_byte_size = 0; 40317027Sdim } 41317027Sdim 42317027Sdim // Set the start and end values 43317027Sdim void Reset(lldb::addr_t start_addr, lldb::addr_t end_addr) { 44317027Sdim SetBaseAddress(start_addr); 45317027Sdim SetEndAddress(end_addr); 46317027Sdim } 47317027Sdim 48317027Sdim // Set the start value for the range, and keep the same size 49317027Sdim void SetBaseAddress(lldb::addr_t base_addr) { m_base_addr = base_addr; } 50317027Sdim 51317027Sdim void SetEndAddress(lldb::addr_t end_addr) { 52317027Sdim const lldb::addr_t base_addr = GetBaseAddress(); 53317027Sdim if (end_addr > base_addr) 54317027Sdim m_byte_size = end_addr - base_addr; 55317027Sdim else 56317027Sdim m_byte_size = 0; 57317027Sdim } 58317027Sdim 59317027Sdim lldb::addr_t GetByteSize() const { return m_byte_size; } 60317027Sdim 61317027Sdim void SetByteSize(lldb::addr_t byte_size) { m_byte_size = byte_size; } 62317027Sdim 63317027Sdim lldb::addr_t GetBaseAddress() const { return m_base_addr; } 64317027Sdim 65317027Sdim lldb::addr_t GetEndAddress() const { return GetBaseAddress() + m_byte_size; } 66317027Sdim 67317027Sdim bool IsValid() const { return m_byte_size > 0; } 68317027Sdim 69317027Sdim bool Contains(lldb::addr_t addr) const { 70317027Sdim return (GetBaseAddress() <= addr) && (addr < GetEndAddress()); 71317027Sdim } 72317027Sdim 73317027Sdim bool Contains(const VMRange &range) const { 74317027Sdim if (Contains(range.GetBaseAddress())) { 75317027Sdim lldb::addr_t range_end = range.GetEndAddress(); 76317027Sdim return (GetBaseAddress() <= range_end) && (range_end <= GetEndAddress()); 77317027Sdim } 78317027Sdim return false; 79317027Sdim } 80317027Sdim 81360784Sdim void Dump(llvm::raw_ostream &s, lldb::addr_t base_addr = 0, 82317027Sdim uint32_t addr_width = 8) const; 83317027Sdim 84317027Sdim static bool ContainsValue(const VMRange::collection &coll, 85317027Sdim lldb::addr_t value); 86317027Sdim 87317027Sdim static bool ContainsRange(const VMRange::collection &coll, 88317027Sdim const VMRange &range); 89317027Sdim 90317027Sdimprotected: 91317027Sdim lldb::addr_t m_base_addr; 92317027Sdim lldb::addr_t m_byte_size; 93317027Sdim}; 94317027Sdim 95317027Sdimbool operator==(const VMRange &lhs, const VMRange &rhs); 96317027Sdimbool operator!=(const VMRange &lhs, const VMRange &rhs); 97317027Sdimbool operator<(const VMRange &lhs, const VMRange &rhs); 98317027Sdimbool operator<=(const VMRange &lhs, const VMRange &rhs); 99317027Sdimbool operator>(const VMRange &lhs, const VMRange &rhs); 100317027Sdimbool operator>=(const VMRange &lhs, const VMRange &rhs); 101317027Sdim 102317027Sdim} // namespace lldb_private 103317027Sdim 104317027Sdim#endif // liblldb_VMRange_h_ 105