1 //===-- AddressableBits.cpp -----------------------------------------------===// 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 #include "lldb/Utility/AddressableBits.h" 10 #include "lldb/Target/Process.h" 11 #include "lldb/lldb-types.h" 12 13 using namespace lldb; 14 using namespace lldb_private; 15 16 void AddressableBits::SetAddressableBits(uint32_t addressing_bits) { 17 m_low_memory_addr_bits = m_high_memory_addr_bits = addressing_bits; 18 } 19 20 void AddressableBits::SetAddressableBits(uint32_t lowmem_addressing_bits, 21 uint32_t highmem_addressing_bits) { 22 m_low_memory_addr_bits = lowmem_addressing_bits; 23 m_high_memory_addr_bits = highmem_addressing_bits; 24 } 25 26 void AddressableBits::SetLowmemAddressableBits( 27 uint32_t lowmem_addressing_bits) { 28 m_low_memory_addr_bits = lowmem_addressing_bits; 29 } 30 31 void AddressableBits::SetHighmemAddressableBits( 32 uint32_t highmem_addressing_bits) { 33 m_high_memory_addr_bits = highmem_addressing_bits; 34 } 35 36 void AddressableBits::SetProcessMasks(Process &process) { 37 if (m_low_memory_addr_bits == 0 && m_high_memory_addr_bits == 0) 38 return; 39 40 if (m_low_memory_addr_bits != 0) { 41 addr_t low_addr_mask = ~((1ULL << m_low_memory_addr_bits) - 1); 42 process.SetCodeAddressMask(low_addr_mask); 43 process.SetDataAddressMask(low_addr_mask); 44 } 45 46 if (m_high_memory_addr_bits != 0) { 47 addr_t hi_addr_mask = ~((1ULL << m_high_memory_addr_bits) - 1); 48 process.SetHighmemCodeAddressMask(hi_addr_mask); 49 process.SetHighmemDataAddressMask(hi_addr_mask); 50 } 51 } 52