1 files changed, 177 insertions, 0 deletions
diff --git a/contrib/llvm-project/lldb/source/API/SBMemoryRegionInfo.cpp b/contrib/llvm-project/lldb/source/API/SBMemoryRegionInfo.cpp
new file mode 100644
index 000000000000..cd25be5d5276
--- /dev/null
+++ b/contrib/llvm-project/lldb/source/API/SBMemoryRegionInfo.cpp
@@ -0,0 +1,177 @@
+//===-- SBMemoryRegionInfo.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/API/SBMemoryRegionInfo.h"
+#include "Utils.h"
+#include "lldb/API/SBDefines.h"
+#include "lldb/API/SBError.h"
+#include "lldb/API/SBStream.h"
+#include "lldb/Target/MemoryRegionInfo.h"
+#include "lldb/Utility/Instrumentation.h"
+#include "lldb/Utility/StreamString.h"
+#include <optional>
+
+using namespace lldb;
+using namespace lldb_private;
+
+SBMemoryRegionInfo::SBMemoryRegionInfo() : m_opaque_up(new MemoryRegionInfo()) {
+  LLDB_INSTRUMENT_VA(this);
+}
+
+SBMemoryRegionInfo::SBMemoryRegionInfo(const char *name, lldb::addr_t begin,
+                                       lldb::addr_t end, uint32_t permissions,
+                                       bool mapped, bool stack_memory)
+    : SBMemoryRegionInfo() {
+  LLDB_INSTRUMENT_VA(this, name, begin, end, permissions, mapped, stack_memory);
+  m_opaque_up->SetName(name);
+  m_opaque_up->GetRange().SetRangeBase(begin);
+  m_opaque_up->GetRange().SetRangeEnd(end);
+  m_opaque_up->SetLLDBPermissions(permissions);
+  m_opaque_up->SetMapped(mapped ? MemoryRegionInfo::eYes
+                                : MemoryRegionInfo::eNo);
+  m_opaque_up->SetIsStackMemory(stack_memory ? MemoryRegionInfo::eYes
+                                             : MemoryRegionInfo::eNo);
+}
+
+SBMemoryRegionInfo::SBMemoryRegionInfo(const MemoryRegionInfo *lldb_object_ptr)
+    : m_opaque_up(new MemoryRegionInfo()) {
+  if (lldb_object_ptr)
+    ref() = *lldb_object_ptr;
+}
+
+SBMemoryRegionInfo::SBMemoryRegionInfo(const SBMemoryRegionInfo &rhs) {
+  LLDB_INSTRUMENT_VA(this, rhs);
+  m_opaque_up = clone(rhs.m_opaque_up);
+}
+
+const SBMemoryRegionInfo &SBMemoryRegionInfo::
+operator=(const SBMemoryRegionInfo &rhs) {
+  LLDB_INSTRUMENT_VA(this, rhs);
+
+  if (this != &rhs)
+    m_opaque_up = clone(rhs.m_opaque_up);
+  return *this;
+}
+
+SBMemoryRegionInfo::~SBMemoryRegionInfo() = default;
+
+void SBMemoryRegionInfo::Clear() {
+  LLDB_INSTRUMENT_VA(this);
+
+  m_opaque_up->Clear();
+}
+
+bool SBMemoryRegionInfo::operator==(const SBMemoryRegionInfo &rhs) const {
+  LLDB_INSTRUMENT_VA(this, rhs);
+
+  return ref() == rhs.ref();
+}
+
+bool SBMemoryRegionInfo::operator!=(const SBMemoryRegionInfo &rhs) const {
+  LLDB_INSTRUMENT_VA(this, rhs);
+
+  return ref() != rhs.ref();
+}
+
+MemoryRegionInfo &SBMemoryRegionInfo::ref() { return *m_opaque_up; }
+
+const MemoryRegionInfo &SBMemoryRegionInfo::ref() const { return *m_opaque_up; }
+
+lldb::addr_t SBMemoryRegionInfo::GetRegionBase() {
+  LLDB_INSTRUMENT_VA(this);
+
+  return m_opaque_up->GetRange().GetRangeBase();
+}
+
+lldb::addr_t SBMemoryRegionInfo::GetRegionEnd() {
+  LLDB_INSTRUMENT_VA(this);
+
+  return m_opaque_up->GetRange().GetRangeEnd();
+}
+
+bool SBMemoryRegionInfo::IsReadable() {
+  LLDB_INSTRUMENT_VA(this);
+
+  return m_opaque_up->GetReadable() == MemoryRegionInfo::eYes;
+}
+
+bool SBMemoryRegionInfo::IsWritable() {
+  LLDB_INSTRUMENT_VA(this);
+
+  return m_opaque_up->GetWritable() == MemoryRegionInfo::eYes;
+}
+
+bool SBMemoryRegionInfo::IsExecutable() {
+  LLDB_INSTRUMENT_VA(this);
+
+  return m_opaque_up->GetExecutable() == MemoryRegionInfo::eYes;
+}
+
+bool SBMemoryRegionInfo::IsMapped() {
+  LLDB_INSTRUMENT_VA(this);
+
+  return m_opaque_up->GetMapped() == MemoryRegionInfo::eYes;
+}
+
+const char *SBMemoryRegionInfo::GetName() {
+  LLDB_INSTRUMENT_VA(this);
+
+  return m_opaque_up->GetName().AsCString();
+}
+
+bool SBMemoryRegionInfo::HasDirtyMemoryPageList() {
+  LLDB_INSTRUMENT_VA(this);
+
+  return m_opaque_up->GetDirtyPageList().has_value();
+}
+
+uint32_t SBMemoryRegionInfo::GetNumDirtyPages() {
+  LLDB_INSTRUMENT_VA(this);
+
+  uint32_t num_dirty_pages = 0;
+  const std::optional<std::vector<addr_t>> &dirty_page_list =
+      m_opaque_up->GetDirtyPageList();
+  if (dirty_page_list)
+    num_dirty_pages = dirty_page_list->size();
+
+  return num_dirty_pages;
+}
+
+addr_t SBMemoryRegionInfo::GetDirtyPageAddressAtIndex(uint32_t idx) {
+  LLDB_INSTRUMENT_VA(this, idx);
+
+  addr_t dirty_page_addr = LLDB_INVALID_ADDRESS;
+  const std::optional<std::vector<addr_t>> &dirty_page_list =
+      m_opaque_up->GetDirtyPageList();
+  if (dirty_page_list && idx < dirty_page_list->size())
+    dirty_page_addr = (*dirty_page_list)[idx];
+
+  return dirty_page_addr;
+}
+
+int SBMemoryRegionInfo::GetPageSize() {
+  LLDB_INSTRUMENT_VA(this);
+
+  return m_opaque_up->GetPageSize();
+}
+
+bool SBMemoryRegionInfo::GetDescription(SBStream &description) {
+  LLDB_INSTRUMENT_VA(this, description);
+
+  Stream &strm = description.ref();
+  const addr_t load_addr = m_opaque_up->GetRange().base;
+
+  strm.Printf("[0x%16.16" PRIx64 "-0x%16.16" PRIx64 " ", load_addr,
+              load_addr + m_opaque_up->GetRange().size);
+  strm.Printf(m_opaque_up->GetReadable() ? "R" : "-");
+  strm.Printf(m_opaque_up->GetWritable() ? "W" : "-");
+  strm.Printf(m_opaque_up->GetExecutable() ? "X" : "-");
+  strm.Printf("]");
+
+  return true;
+}