52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
|
//===-- AddressableBits.cpp -----------------------------------------------===//
|
||
|
|
//
|
||
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
||
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
||
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
#include "lldb/Utility/AddressableBits.h"
|
||
|
|
#include "lldb/Target/Process.h"
|
||
|
|
#include "lldb/lldb-types.h"
|
||
|
|
|
||
|
|
using namespace lldb;
|
||
|
|
using namespace lldb_private;
|
||
|
|
|
||
|
|
void AddressableBits::SetAddressableBits(uint32_t addressing_bits) {
|
||
|
|
m_low_memory_addr_bits = m_high_memory_addr_bits = addressing_bits;
|
||
|
|
}
|
||
|
|
|
||
|
|
void AddressableBits::SetAddressableBits(uint32_t lowmem_addressing_bits,
|
||
|
|
uint32_t highmem_addressing_bits) {
|
||
|
|
m_low_memory_addr_bits = lowmem_addressing_bits;
|
||
|
|
m_high_memory_addr_bits = highmem_addressing_bits;
|
||
|
|
}
|
||
|
|
|
||
|
|
void AddressableBits::SetLowmemAddressableBits(
|
||
|
|
uint32_t lowmem_addressing_bits) {
|
||
|
|
m_low_memory_addr_bits = lowmem_addressing_bits;
|
||
|
|
}
|
||
|
|
|
||
|
|
void AddressableBits::SetHighmemAddressableBits(
|
||
|
|
uint32_t highmem_addressing_bits) {
|
||
|
|
m_high_memory_addr_bits = highmem_addressing_bits;
|
||
|
|
}
|
||
|
|
|
||
|
|
void AddressableBits::SetProcessMasks(Process &process) {
|
||
|
|
if (m_low_memory_addr_bits == 0 && m_high_memory_addr_bits == 0)
|
||
|
|
return;
|
||
|
|
|
||
|
|
if (m_low_memory_addr_bits != 0) {
|
||
|
|
addr_t low_addr_mask = ~((1ULL << m_low_memory_addr_bits) - 1);
|
||
|
|
process.SetCodeAddressMask(low_addr_mask);
|
||
|
|
process.SetDataAddressMask(low_addr_mask);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (m_high_memory_addr_bits != 0) {
|
||
|
|
addr_t hi_addr_mask = ~((1ULL << m_high_memory_addr_bits) - 1);
|
||
|
|
process.SetHighmemCodeAddressMask(hi_addr_mask);
|
||
|
|
process.SetHighmemDataAddressMask(hi_addr_mask);
|
||
|
|
}
|
||
|
|
}
|