178 lines · cpp
1//===-- SBMemoryRegionInfo.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-exception6//7//===----------------------------------------------------------------------===//8 9#include "lldb/API/SBMemoryRegionInfo.h"10#include "Utils.h"11#include "lldb/API/SBDefines.h"12#include "lldb/API/SBError.h"13#include "lldb/API/SBStream.h"14#include "lldb/Target/MemoryRegionInfo.h"15#include "lldb/Utility/Instrumentation.h"16#include "lldb/Utility/StreamString.h"17#include <optional>18 19using namespace lldb;20using namespace lldb_private;21 22SBMemoryRegionInfo::SBMemoryRegionInfo() : m_opaque_up(new MemoryRegionInfo()) {23 LLDB_INSTRUMENT_VA(this);24}25 26SBMemoryRegionInfo::SBMemoryRegionInfo(const char *name, lldb::addr_t begin,27 lldb::addr_t end, uint32_t permissions,28 bool mapped, bool stack_memory)29 : SBMemoryRegionInfo() {30 LLDB_INSTRUMENT_VA(this, name, begin, end, permissions, mapped, stack_memory);31 m_opaque_up->SetName(name);32 m_opaque_up->GetRange().SetRangeBase(begin);33 m_opaque_up->GetRange().SetRangeEnd(end);34 m_opaque_up->SetLLDBPermissions(permissions);35 m_opaque_up->SetMapped(mapped ? MemoryRegionInfo::eYes36 : MemoryRegionInfo::eNo);37 m_opaque_up->SetIsStackMemory(stack_memory ? MemoryRegionInfo::eYes38 : MemoryRegionInfo::eNo);39}40 41SBMemoryRegionInfo::SBMemoryRegionInfo(const MemoryRegionInfo *lldb_object_ptr)42 : m_opaque_up(new MemoryRegionInfo()) {43 if (lldb_object_ptr)44 ref() = *lldb_object_ptr;45}46 47SBMemoryRegionInfo::SBMemoryRegionInfo(const SBMemoryRegionInfo &rhs) {48 LLDB_INSTRUMENT_VA(this, rhs);49 m_opaque_up = clone(rhs.m_opaque_up);50}51 52const SBMemoryRegionInfo &SBMemoryRegionInfo::53operator=(const SBMemoryRegionInfo &rhs) {54 LLDB_INSTRUMENT_VA(this, rhs);55 56 if (this != &rhs)57 m_opaque_up = clone(rhs.m_opaque_up);58 return *this;59}60 61SBMemoryRegionInfo::~SBMemoryRegionInfo() = default;62 63void SBMemoryRegionInfo::Clear() {64 LLDB_INSTRUMENT_VA(this);65 66 m_opaque_up->Clear();67}68 69bool SBMemoryRegionInfo::operator==(const SBMemoryRegionInfo &rhs) const {70 LLDB_INSTRUMENT_VA(this, rhs);71 72 return ref() == rhs.ref();73}74 75bool SBMemoryRegionInfo::operator!=(const SBMemoryRegionInfo &rhs) const {76 LLDB_INSTRUMENT_VA(this, rhs);77 78 return ref() != rhs.ref();79}80 81MemoryRegionInfo &SBMemoryRegionInfo::ref() { return *m_opaque_up; }82 83const MemoryRegionInfo &SBMemoryRegionInfo::ref() const { return *m_opaque_up; }84 85lldb::addr_t SBMemoryRegionInfo::GetRegionBase() {86 LLDB_INSTRUMENT_VA(this);87 88 return m_opaque_up->GetRange().GetRangeBase();89}90 91lldb::addr_t SBMemoryRegionInfo::GetRegionEnd() {92 LLDB_INSTRUMENT_VA(this);93 94 return m_opaque_up->GetRange().GetRangeEnd();95}96 97bool SBMemoryRegionInfo::IsReadable() {98 LLDB_INSTRUMENT_VA(this);99 100 return m_opaque_up->GetReadable() == MemoryRegionInfo::eYes;101}102 103bool SBMemoryRegionInfo::IsWritable() {104 LLDB_INSTRUMENT_VA(this);105 106 return m_opaque_up->GetWritable() == MemoryRegionInfo::eYes;107}108 109bool SBMemoryRegionInfo::IsExecutable() {110 LLDB_INSTRUMENT_VA(this);111 112 return m_opaque_up->GetExecutable() == MemoryRegionInfo::eYes;113}114 115bool SBMemoryRegionInfo::IsMapped() {116 LLDB_INSTRUMENT_VA(this);117 118 return m_opaque_up->GetMapped() == MemoryRegionInfo::eYes;119}120 121const char *SBMemoryRegionInfo::GetName() {122 LLDB_INSTRUMENT_VA(this);123 124 return m_opaque_up->GetName().AsCString();125}126 127bool SBMemoryRegionInfo::HasDirtyMemoryPageList() {128 LLDB_INSTRUMENT_VA(this);129 130 return m_opaque_up->GetDirtyPageList().has_value();131}132 133uint32_t SBMemoryRegionInfo::GetNumDirtyPages() {134 LLDB_INSTRUMENT_VA(this);135 136 uint32_t num_dirty_pages = 0;137 const std::optional<std::vector<addr_t>> &dirty_page_list =138 m_opaque_up->GetDirtyPageList();139 if (dirty_page_list)140 num_dirty_pages = dirty_page_list->size();141 142 return num_dirty_pages;143}144 145addr_t SBMemoryRegionInfo::GetDirtyPageAddressAtIndex(uint32_t idx) {146 LLDB_INSTRUMENT_VA(this, idx);147 148 addr_t dirty_page_addr = LLDB_INVALID_ADDRESS;149 const std::optional<std::vector<addr_t>> &dirty_page_list =150 m_opaque_up->GetDirtyPageList();151 if (dirty_page_list && idx < dirty_page_list->size())152 dirty_page_addr = (*dirty_page_list)[idx];153 154 return dirty_page_addr;155}156 157int SBMemoryRegionInfo::GetPageSize() {158 LLDB_INSTRUMENT_VA(this);159 160 return m_opaque_up->GetPageSize();161}162 163bool SBMemoryRegionInfo::GetDescription(SBStream &description) {164 LLDB_INSTRUMENT_VA(this, description);165 166 Stream &strm = description.ref();167 const addr_t load_addr = m_opaque_up->GetRange().base;168 169 strm.Printf("[0x%16.16" PRIx64 "-0x%16.16" PRIx64 " ", load_addr,170 load_addr + m_opaque_up->GetRange().size);171 strm.Printf(m_opaque_up->GetReadable() ? "R" : "-");172 strm.Printf(m_opaque_up->GetWritable() ? "W" : "-");173 strm.Printf(m_opaque_up->GetExecutable() ? "X" : "-");174 strm.Printf("]");175 176 return true;177}178