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
15namespace lldb_private {
16
17/// \class AddressableBits AddressableBits.h "lldb/Core/AddressableBits.h"
18/// A class which holds the metadata from a remote stub/corefile note
19/// about how many bits are used for addressing on this target.
20///
21class AddressableBits {
22public:
23 AddressableBits() : m_low_memory_addr_bits(0), m_high_memory_addr_bits(0) {}
24
25 /// When a single value is available for the number of bits.
26 void SetAddressableBits(uint32_t addressing_bits);
27
28 /// When we have separate values for low memory addresses and high memory
29 /// addresses.
30 void SetAddressableBits(uint32_t lowmem_addressing_bits,
31 uint32_t highmem_addressing_bits);
32
33 void SetLowmemAddressableBits(uint32_t lowmem_addressing_bits);
34
35 uint32_t GetLowmemAddressableBits() const;
36
37 void SetHighmemAddressableBits(uint32_t highmem_addressing_bits);
38
39 uint32_t GetHighmemAddressableBits() const;
40
41 static lldb::addr_t AddressableBitToMask(uint32_t addressable_bits);
42
43private:
44 uint32_t m_low_memory_addr_bits;
45 uint32_t m_high_memory_addr_bits;
46};
47
48} // namespace lldb_private
49
50#endif // LLDB_UTILITY_ADDRESSABLEBITS_H
51

source code of lldb/include/lldb/Utility/AddressableBits.h