1 //===-- AddressableBits.h ---------------------------------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLDB_UTILITY_ADDRESSABLEBITS_H 10 #define LLDB_UTILITY_ADDRESSABLEBITS_H 11 12 #include "lldb/lldb-forward.h" 13 #include "lldb/lldb-public.h" 14 15 #include <cstdint> 16 17 namespace lldb_private { 18 19 /// \class AddressableBits AddressableBits.h "lldb/Core/AddressableBits.h" 20 /// A class which holds the metadata from a remote stub/corefile note 21 /// about how many bits are used for addressing on this target. 22 /// 23 class AddressableBits { 24 public: AddressableBits()25 AddressableBits() : m_low_memory_addr_bits(0), m_high_memory_addr_bits(0) {} 26 27 /// When a single value is available for the number of bits. 28 void SetAddressableBits(uint32_t addressing_bits); 29 30 /// When we have separate values for low memory addresses and high memory 31 /// addresses. 32 void SetAddressableBits(uint32_t lowmem_addressing_bits, 33 uint32_t highmem_addressing_bits); 34 35 void SetLowmemAddressableBits(uint32_t lowmem_addressing_bits); 36 37 uint32_t GetLowmemAddressableBits() const; 38 39 void SetHighmemAddressableBits(uint32_t highmem_addressing_bits); 40 41 uint32_t GetHighmemAddressableBits() const; 42 43 static lldb::addr_t AddressableBitToMask(uint32_t addressable_bits); 44 45 private: 46 uint32_t m_low_memory_addr_bits; 47 uint32_t m_high_memory_addr_bits; 48 }; 49 50 } // namespace lldb_private 51 52 #endif // LLDB_UTILITY_ADDRESSABLEBITS_H 53