commit 36788bbb32667eb0af1c5cfa5c484480c7dbe246
author Tatyana Krasnukha <tatyana@synopsys.com> Thu Dec 20 15:02:58 2018 +0000
committer Tatyana Krasnukha <tatyana@synopsys.com> Thu Dec 20 15:02:58 2018 +0000
tree 7a2e3674bf57e00ed9f898f921bc75a4e8adcf61
parent b208255fe01029da9b684748fc901460ce22ae8a

Replace MemoryRegionInfoSP with values and cleanup related code

Differential Revision: https://reviews.llvm.org/D55472

llvm-svn: 349766

lldb/source/API/SBMemoryRegionInfoList.cpp

diff --git a/lldb/source/API/SBMemoryRegionInfoList.cpp b/lldb/source/API/SBMemoryRegionInfoList.cpp
index fff4044..00e2965 100644
--- a/lldb/source/API/SBMemoryRegionInfoList.cpp
+++ b/lldb/source/API/SBMemoryRegionInfoList.cpp
@@ -32,31 +32,47 @@
     return *this;
   }
 
-  uint32_t GetSize() { return m_regions.size(); }
+  size_t GetSize() const { return m_regions.size(); }
 
-  void Append(const lldb::SBMemoryRegionInfo &sb_region) {
+  void Reserve(size_t capacity) { return m_regions.reserve(capacity); }
+
+  void Append(const MemoryRegionInfo &sb_region) {
     m_regions.push_back(sb_region);
   }
 
   void Append(const MemoryRegionInfoListImpl &list) {
-    for (auto val : list.m_regions)
+    Reserve(GetSize() + list.GetSize());
+
+    for (const auto &val : list.m_regions)
       Append(val);
   }
 
   void Clear() { m_regions.clear(); }
 
-  bool GetMemoryRegionInfoAtIndex(uint32_t index,
-                                  SBMemoryRegionInfo &region_info) {
+  bool GetMemoryRegionInfoAtIndex(size_t index,
+                                  MemoryRegionInfo &region_info) {
     if (index >= GetSize())
       return false;
     region_info = m_regions[index];
     return true;
   }
 
+  MemoryRegionInfos &Ref() { return m_regions; }
+
+  const MemoryRegionInfos &Ref() const { return m_regions; }
+
 private:
-  std::vector<lldb::SBMemoryRegionInfo> m_regions;
+  MemoryRegionInfos m_regions;
 };
 
+MemoryRegionInfos &SBMemoryRegionInfoList::ref() {
+  return m_opaque_ap->Ref();
+}
+
+const MemoryRegionInfos &SBMemoryRegionInfoList::ref() const {
+  return m_opaque_ap->Ref();
+}
+
 SBMemoryRegionInfoList::SBMemoryRegionInfoList()
     : m_opaque_ap(new MemoryRegionInfoListImpl()) {}
 
@@ -82,7 +98,7 @@
     uint32_t idx, SBMemoryRegionInfo &region_info) {
   Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
 
-  bool result = m_opaque_ap->GetMemoryRegionInfoAtIndex(idx, region_info);
+  bool result = m_opaque_ap->GetMemoryRegionInfoAtIndex(idx, region_info.ref());
 
   if (log) {
     SBStream sstr;
@@ -100,7 +116,7 @@
 void SBMemoryRegionInfoList::Clear() { m_opaque_ap->Clear(); }
 
 void SBMemoryRegionInfoList::Append(SBMemoryRegionInfo &sb_region) {
-  m_opaque_ap->Append(sb_region);
+  m_opaque_ap->Append(sb_region.ref());
 }
 
 void SBMemoryRegionInfoList::Append(SBMemoryRegionInfoList &sb_region_list) {

lldb/source/API/SBProcess.cpp

diff --git a/lldb/source/API/SBProcess.cpp b/lldb/source/API/SBProcess.cpp
index 2345594..cb11246 100644
--- a/lldb/source/API/SBProcess.cpp
+++ b/lldb/source/API/SBProcess.cpp
@@ -1358,18 +1358,14 @@
                                SBMemoryRegionInfo &sb_region_info) {
   lldb::SBError sb_error;
   ProcessSP process_sp(GetSP());
-  MemoryRegionInfoSP region_info_sp =
-      std::make_shared<lldb_private::MemoryRegionInfo>();
   if (process_sp) {
     Process::StopLocker stop_locker;
     if (stop_locker.TryLock(&process_sp->GetRunLock())) {
       std::lock_guard<std::recursive_mutex> guard(
           process_sp->GetTarget().GetAPIMutex());
+
       sb_error.ref() =
-          process_sp->GetMemoryRegionInfo(load_addr, *region_info_sp);
-      if (sb_error.Success()) {
-        sb_region_info.ref() = *region_info_sp;
-      }
+          process_sp->GetMemoryRegionInfo(load_addr, sb_region_info.ref());
     } else {
       Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
       if (log)
@@ -1385,35 +1381,23 @@
 }
 
 lldb::SBMemoryRegionInfoList SBProcess::GetMemoryRegions() {
-  lldb::SBError sb_error;
   lldb::SBMemoryRegionInfoList sb_region_list;
+
   ProcessSP process_sp(GetSP());
-  if (process_sp) {
-    Process::StopLocker stop_locker;
-    if (stop_locker.TryLock(&process_sp->GetRunLock())) {
-      std::lock_guard<std::recursive_mutex> guard(
-          process_sp->GetTarget().GetAPIMutex());
-      std::vector<MemoryRegionInfoSP> region_list;
-      sb_error.ref() = process_sp->GetMemoryRegions(region_list);
-      if (sb_error.Success()) {
-        std::vector<MemoryRegionInfoSP>::iterator end = region_list.end();
-        for (std::vector<MemoryRegionInfoSP>::iterator it = region_list.begin();
-             it != end; it++) {
-          SBMemoryRegionInfo sb_region_info(it->get());
-          sb_region_list.Append(sb_region_info);
-        }
-      }
-    } else {
-      Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
-      if (log)
-        log->Printf(
-            "SBProcess(%p)::GetMemoryRegionInfo() => error: process is running",
-            static_cast<void *>(process_sp.get()));
-      sb_error.SetErrorString("process is running");
-    }
+  Process::StopLocker stop_locker;
+  if (process_sp && stop_locker.TryLock(&process_sp->GetRunLock())) {
+    std::lock_guard<std::recursive_mutex> guard(
+        process_sp->GetTarget().GetAPIMutex());
+
+    process_sp->GetMemoryRegions(sb_region_list.ref());
   } else {
-    sb_error.SetErrorString("SBProcess is invalid");
+    Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
+    if (log)
+      log->Printf(
+          "SBProcess(%p)::GetMemoryRegionInfo() => error: process is running",
+          static_cast<void *>(process_sp.get()));
   }
+
   return sb_region_list;
 }