[Lldb-commits] [lldb] bb34346 - Revert "[LLDB] Reappply SBSaveCore AddMemoryList" (#107731)

via lldb-commits lldb-commits at lists.llvm.org
Sat Sep 7 17:10:23 PDT 2024


Author: Jonas Devlieghere
Date: 2024-09-07T17:10:20-07:00
New Revision: bb343468ffa8c2190fcdd0f704d370c75d3b5edd

URL: https://github.com/llvm/llvm-project/commit/bb343468ffa8c2190fcdd0f704d370c75d3b5edd
DIFF: https://github.com/llvm/llvm-project/commit/bb343468ffa8c2190fcdd0f704d370c75d3b5edd.diff

LOG: Revert "[LLDB] Reappply SBSaveCore AddMemoryList" (#107731)

Reverts llvm/llvm-project#107159 as this is still causing
`TestSkinnyCorefile.py` to time out.


https://ci.swift.org/view/all/job/llvm.org/view/LLDB/job/as-lldb-cmake/11099/

https://ci.swift.org/view/all/job/llvm.org/view/LLDB/job/lldb-cmake/5544/

Added: 
    

Modified: 
    lldb/include/lldb/API/SBMemoryRegionInfo.h
    lldb/include/lldb/API/SBSaveCoreOptions.h
    lldb/include/lldb/Symbol/SaveCoreOptions.h
    lldb/include/lldb/Target/Process.h
    lldb/include/lldb/Utility/RangeMap.h
    lldb/include/lldb/lldb-enumerations.h
    lldb/include/lldb/lldb-forward.h
    lldb/include/lldb/lldb-private-interfaces.h
    lldb/source/API/SBSaveCoreOptions.cpp
    lldb/source/Commands/CommandObjectProcess.cpp
    lldb/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.cpp
    lldb/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.h
    lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.cpp
    lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.h
    lldb/source/Plugins/ObjectFile/Minidump/ObjectFileMinidump.h
    lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.cpp
    lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.h
    lldb/source/Symbol/SaveCoreOptions.cpp
    lldb/source/Target/CMakeLists.txt
    lldb/source/Target/Process.cpp
    lldb/test/API/functionalities/process_save_core_minidump/TestProcessSaveCoreMinidump.py
    lldb/unittests/Process/Utility/CMakeLists.txt

Removed: 
    lldb/include/lldb/Target/CoreFileMemoryRanges.h
    lldb/source/Target/CoreFileMemoryRanges.cpp
    lldb/unittests/Process/Utility/CoreFileMemoryRangesTest.cpp


################################################################################
diff  --git a/lldb/include/lldb/API/SBMemoryRegionInfo.h b/lldb/include/lldb/API/SBMemoryRegionInfo.h
index f9a5dc993d7cb6..be55de4ead1fa8 100644
--- a/lldb/include/lldb/API/SBMemoryRegionInfo.h
+++ b/lldb/include/lldb/API/SBMemoryRegionInfo.h
@@ -120,7 +120,7 @@ class LLDB_API SBMemoryRegionInfo {
 private:
   friend class SBProcess;
   friend class SBMemoryRegionInfoList;
-  friend class SBSaveCoreOptions;
+
   friend class lldb_private::ScriptInterpreter;
 
   lldb_private::MemoryRegionInfo &ref();

diff  --git a/lldb/include/lldb/API/SBSaveCoreOptions.h b/lldb/include/lldb/API/SBSaveCoreOptions.h
index c076d3ce6f7575..ba48ba5eaea5a0 100644
--- a/lldb/include/lldb/API/SBSaveCoreOptions.h
+++ b/lldb/include/lldb/API/SBSaveCoreOptions.h
@@ -80,17 +80,6 @@ class LLDB_API SBSaveCoreOptions {
   /// \return True if the thread was removed, false if it was not in the list.
   bool RemoveThread(lldb::SBThread thread);
 
-  /// Add a memory region to save in the core file.
-  ///
-  /// \param region The memory region to save.
-  /// \returns An empty SBError upon success, or an error if the region is
-  /// invalid.
-  /// \note Ranges that overlapped will be unioned into a single region, this
-  /// also supercedes stack minification. Specifying full regions and a
-  /// non-custom core style will include the specified regions and union them
-  /// with all style specific regions.
-  SBError AddMemoryRegionToSave(const SBMemoryRegionInfo &region);
-
   /// Reset all options.
   void Clear();
 

diff  --git a/lldb/include/lldb/Symbol/SaveCoreOptions.h b/lldb/include/lldb/Symbol/SaveCoreOptions.h
index d90d08026016dc..f4fed4676fa4ae 100644
--- a/lldb/include/lldb/Symbol/SaveCoreOptions.h
+++ b/lldb/include/lldb/Symbol/SaveCoreOptions.h
@@ -10,15 +10,13 @@
 #define LLDB_SOURCE_PLUGINS_OBJECTFILE_SaveCoreOPTIONS_H
 
 #include "lldb/Utility/FileSpec.h"
-#include "lldb/Utility/RangeMap.h"
+#include "lldb/lldb-forward.h"
+#include "lldb/lldb-types.h"
 
 #include <optional>
-#include <set>
 #include <string>
 #include <unordered_set>
 
-using MemoryRanges = lldb_private::RangeVector<lldb::addr_t, lldb::addr_t>;
-
 namespace lldb_private {
 
 class SaveCoreOptions {
@@ -40,12 +38,8 @@ class SaveCoreOptions {
   Status AddThread(lldb::ThreadSP thread_sp);
   bool RemoveThread(lldb::ThreadSP thread_sp);
   bool ShouldThreadBeSaved(lldb::tid_t tid) const;
-  bool HasSpecifiedThreads() const;
 
   Status EnsureValidConfiguration(lldb::ProcessSP process_sp) const;
-  const MemoryRanges &GetCoreFileMemoryRanges() const;
-
-  void AddMemoryRegionToSave(const lldb_private::MemoryRegionInfo &region);
 
   void Clear();
 
@@ -57,7 +51,6 @@ class SaveCoreOptions {
   std::optional<lldb::SaveCoreStyle> m_style;
   lldb::ProcessSP m_process_sp;
   std::unordered_set<lldb::tid_t> m_threads_to_save;
-  MemoryRanges m_regions_to_save;
 };
 } // namespace lldb_private
 

diff  --git a/lldb/include/lldb/Target/CoreFileMemoryRanges.h b/lldb/include/lldb/Target/CoreFileMemoryRanges.h
deleted file mode 100644
index 503ecd691e5948..00000000000000
--- a/lldb/include/lldb/Target/CoreFileMemoryRanges.h
+++ /dev/null
@@ -1,50 +0,0 @@
-//===-- CoreFileMemoryRanges.h ----------------------------------*- C++ -*-===//
-//
-// 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/RangeMap.h"
-#include "lldb/Utility/Status.h"
-
-#include "llvm/ADT/AddressRanges.h"
-
-#ifndef LLDB_TARGET_COREFILEMEMORYRANGES_H
-#define LLDB_TARGET_COREFILEMEMORYRANGES_H
-
-namespace lldb_private {
-
-struct CoreFileMemoryRange {
-  llvm::AddressRange range;  /// The address range to save into the core file.
-  uint32_t lldb_permissions; /// A bit set of lldb::Permissions bits.
-
-  bool operator==(const CoreFileMemoryRange &rhs) const {
-    return range == rhs.range && lldb_permissions == rhs.lldb_permissions;
-  }
-
-  bool operator!=(const CoreFileMemoryRange &rhs) const {
-    return !(*this == rhs);
-  }
-
-  bool operator<(const CoreFileMemoryRange &rhs) const {
-    if (range < rhs.range)
-      return true;
-    if (range == rhs.range)
-      return lldb_permissions < rhs.lldb_permissions;
-    return false;
-  }
-};
-
-class CoreFileMemoryRanges
-    : public lldb_private::RangeDataVector<lldb::addr_t, lldb::addr_t,
-                                           CoreFileMemoryRange> {
-public:
-  /// Finalize and merge all overlapping ranges in this collection. Ranges
-  /// will be seperated based on permissions.
-  Status FinalizeCoreFileSaveRanges();
-};
-} // namespace lldb_private
-
-#endif // LLDB_TARGET_COREFILEMEMORYRANGES_H

diff  --git a/lldb/include/lldb/Target/Process.h b/lldb/include/lldb/Target/Process.h
index b8c53a474ba6b9..c66cfb2c245efd 100644
--- a/lldb/include/lldb/Target/Process.h
+++ b/lldb/include/lldb/Target/Process.h
@@ -35,8 +35,6 @@
 #include "lldb/Host/ProcessLaunchInfo.h"
 #include "lldb/Host/ProcessRunLock.h"
 #include "lldb/Symbol/ObjectFile.h"
-#include "lldb/Symbol/SaveCoreOptions.h"
-#include "lldb/Target/CoreFileMemoryRanges.h"
 #include "lldb/Target/ExecutionContextScope.h"
 #include "lldb/Target/InstrumentationRuntime.h"
 #include "lldb/Target/Memory.h"
@@ -712,6 +710,29 @@ class Process : public std::enable_shared_from_this<Process>,
   ///     is not supported by the plugin, error otherwise.
   virtual llvm::Expected<bool> SaveCore(llvm::StringRef outfile);
 
+  struct CoreFileMemoryRange {
+    llvm::AddressRange range;  /// The address range to save into the core file.
+    uint32_t lldb_permissions; /// A bit set of lldb::Permissions bits.
+
+    bool operator==(const CoreFileMemoryRange &rhs) const {
+      return range == rhs.range && lldb_permissions == rhs.lldb_permissions;
+    }
+
+    bool operator!=(const CoreFileMemoryRange &rhs) const {
+      return !(*this == rhs);
+    }
+
+    bool operator<(const CoreFileMemoryRange &rhs) const {
+      if (range < rhs.range)
+        return true;
+      if (range == rhs.range)
+        return lldb_permissions < rhs.lldb_permissions;
+      return false;
+    }
+  };
+
+  using CoreFileMemoryRanges = std::vector<CoreFileMemoryRange>;
+
   /// Helper function for Process::SaveCore(...) that calculates the address
   /// ranges that should be saved. This allows all core file plug-ins to save
   /// consistent memory ranges given a \a core_style.

diff  --git a/lldb/include/lldb/Utility/RangeMap.h b/lldb/include/lldb/Utility/RangeMap.h
index c636348129b647..8cc382bcc046ce 100644
--- a/lldb/include/lldb/Utility/RangeMap.h
+++ b/lldb/include/lldb/Utility/RangeMap.h
@@ -450,8 +450,6 @@ class RangeDataVector {
 
   void Append(const Entry &entry) { m_entries.emplace_back(entry); }
 
-  void Append(B &&b, S &&s, T &&t) { m_entries.emplace_back(Entry(b, s, t)); }
-
   bool Erase(uint32_t start, uint32_t end) {
     if (start >= end || end > m_entries.size())
       return false;

diff  --git a/lldb/include/lldb/lldb-enumerations.h b/lldb/include/lldb/lldb-enumerations.h
index 938f6e3abe8f2a..7bfde8b9de1271 100644
--- a/lldb/include/lldb/lldb-enumerations.h
+++ b/lldb/include/lldb/lldb-enumerations.h
@@ -1222,7 +1222,6 @@ enum SaveCoreStyle {
   eSaveCoreFull = 1,
   eSaveCoreDirtyOnly = 2,
   eSaveCoreStackOnly = 3,
-  eSaveCoreCustomOnly = 4,
 };
 
 /// Events that might happen during a trace session.

diff  --git a/lldb/include/lldb/lldb-forward.h b/lldb/include/lldb/lldb-forward.h
index 5fb288ad43af48..337eff696fcf3f 100644
--- a/lldb/include/lldb/lldb-forward.h
+++ b/lldb/include/lldb/lldb-forward.h
@@ -207,7 +207,6 @@ class StackFrameRecognizer;
 class StackFrameRecognizerManager;
 class StackID;
 class Status;
-class SaveCoreOptions;
 class StopInfo;
 class Stoppoint;
 class StoppointCallbackContext;

diff  --git a/lldb/include/lldb/lldb-private-interfaces.h b/lldb/include/lldb/lldb-private-interfaces.h
index 5bac5cd3e86b59..b3c8cda899b95e 100644
--- a/lldb/include/lldb/lldb-private-interfaces.h
+++ b/lldb/include/lldb/lldb-private-interfaces.h
@@ -9,6 +9,7 @@
 #ifndef LLDB_LLDB_PRIVATE_INTERFACES_H
 #define LLDB_LLDB_PRIVATE_INTERFACES_H
 
+#include "lldb/Symbol/SaveCoreOptions.h"
 #include "lldb/lldb-enumerations.h"
 #include "lldb/lldb-forward.h"
 #include "lldb/lldb-private-enumerations.h"

diff  --git a/lldb/source/API/SBSaveCoreOptions.cpp b/lldb/source/API/SBSaveCoreOptions.cpp
index c79b57fa62c2be..ef82b0253f1199 100644
--- a/lldb/source/API/SBSaveCoreOptions.cpp
+++ b/lldb/source/API/SBSaveCoreOptions.cpp
@@ -7,7 +7,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "lldb/API/SBSaveCoreOptions.h"
-#include "lldb/API/SBMemoryRegionInfo.h"
 #include "lldb/Host/FileSystem.h"
 #include "lldb/Symbol/SaveCoreOptions.h"
 #include "lldb/Utility/Instrumentation.h"
@@ -90,16 +89,6 @@ bool SBSaveCoreOptions::RemoveThread(lldb::SBThread thread) {
   return m_opaque_up->RemoveThread(thread.GetSP());
 }
 
-lldb::SBError
-SBSaveCoreOptions::AddMemoryRegionToSave(const SBMemoryRegionInfo &region) {
-  LLDB_INSTRUMENT_VA(this, region);
-  // Currently add memory region can't fail, so we always return a success
-  // SBerror, but because these API's live forever, this is the most future
-  // proof thing to do.
-  m_opaque_up->AddMemoryRegionToSave(region.ref());
-  return SBError();
-}
-
 void SBSaveCoreOptions::Clear() {
   LLDB_INSTRUMENT_VA(this);
   m_opaque_up->Clear();

diff  --git a/lldb/source/Commands/CommandObjectProcess.cpp b/lldb/source/Commands/CommandObjectProcess.cpp
index 5b0f4f66f248b6..25eb633f1e6dad 100644
--- a/lldb/source/Commands/CommandObjectProcess.cpp
+++ b/lldb/source/Commands/CommandObjectProcess.cpp
@@ -25,7 +25,6 @@
 #include "lldb/Interpreter/OptionArgParser.h"
 #include "lldb/Interpreter/OptionGroupPythonClassWithDict.h"
 #include "lldb/Interpreter/Options.h"
-#include "lldb/Symbol/SaveCoreOptions.h"
 #include "lldb/Target/Platform.h"
 #include "lldb/Target/Process.h"
 #include "lldb/Target/StopInfo.h"

diff  --git a/lldb/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.cpp b/lldb/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.cpp
index 06da83e26a26a5..b28beab117cca4 100644
--- a/lldb/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.cpp
+++ b/lldb/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.cpp
@@ -6562,15 +6562,13 @@ bool ObjectFileMachO::SaveCore(const lldb::ProcessSP &process_sp,
     }
 
     if (make_core) {
-      CoreFileMemoryRanges core_ranges;
+      Process::CoreFileMemoryRanges core_ranges;
       error = process_sp->CalculateCoreFileSaveRanges(options, core_ranges);
       if (error.Success()) {
         const uint32_t addr_byte_size = target_arch.GetAddressByteSize();
         const ByteOrder byte_order = target_arch.GetByteOrder();
         std::vector<llvm::MachO::segment_command_64> segment_load_commands;
-        for (const auto &core_range_info : core_ranges) {
-          // TODO: Refactor RangeDataVector to have a data iterator.
-          const auto &core_range = core_range_info.data;
+        for (const auto &core_range : core_ranges) {
           uint32_t cmd_type = LC_SEGMENT_64;
           uint32_t segment_size = sizeof(llvm::MachO::segment_command_64);
           if (addr_byte_size == 4) {

diff  --git a/lldb/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.h b/lldb/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.h
index be87112df7d898..27bc237aaac48d 100644
--- a/lldb/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.h
+++ b/lldb/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.h
@@ -12,7 +12,6 @@
 #include "lldb/Core/Address.h"
 #include "lldb/Host/SafeMachO.h"
 #include "lldb/Symbol/ObjectFile.h"
-#include "lldb/Symbol/SaveCoreOptions.h"
 #include "lldb/Utility/FileSpec.h"
 #include "lldb/Utility/FileSpecList.h"
 #include "lldb/Utility/RangeMap.h"

diff  --git a/lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.cpp b/lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.cpp
index edc568a6b47e00..5c9ba223ad143e 100644
--- a/lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.cpp
+++ b/lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.cpp
@@ -831,32 +831,25 @@ Status MinidumpFileBuilder::AddMemoryList() {
   // bytes of the core file. Thread structures in minidump files can only use
   // 32 bit memory descriptiors, so we emit them first to ensure the memory is
   // in accessible with a 32 bit offset.
-  std::vector<CoreFileMemoryRange> ranges_32;
-  std::vector<CoreFileMemoryRange> ranges_64;
-  CoreFileMemoryRanges all_core_memory_ranges;
+  Process::CoreFileMemoryRanges ranges_32;
+  Process::CoreFileMemoryRanges ranges_64;
+  Process::CoreFileMemoryRanges all_core_memory_ranges;
   error = m_process_sp->CalculateCoreFileSaveRanges(m_save_core_options,
                                                     all_core_memory_ranges);
-
-  std::vector<CoreFileMemoryRange> all_core_memory_vec;
-  // Extract all the data into just a vector of data. So we can mutate this in
-  // place.
-  for (const auto &core_range : all_core_memory_ranges)
-    all_core_memory_vec.push_back(core_range.data);
-
   if (error.Fail())
     return error;
 
   // Start by saving all of the stacks and ensuring they fit under the 32b
   // limit.
   uint64_t total_size = GetCurrentDataEndOffset();
-  auto iterator = all_core_memory_vec.begin();
-  while (iterator != all_core_memory_vec.end()) {
+  auto iterator = all_core_memory_ranges.begin();
+  while (iterator != all_core_memory_ranges.end()) {
     if (m_saved_stack_ranges.count(iterator->range.start()) > 0) {
       // We don't save stacks twice.
       ranges_32.push_back(*iterator);
       total_size +=
           iterator->range.size() + sizeof(llvm::minidump::MemoryDescriptor);
-      iterator = all_core_memory_vec.erase(iterator);
+      iterator = all_core_memory_ranges.erase(iterator);
     } else {
       iterator++;
     }
@@ -876,11 +869,11 @@ Status MinidumpFileBuilder::AddMemoryList() {
   // Then anything overflow extends into 64b addressable space.
   // All core memeroy ranges will either container nothing on stacks only
   // or all the memory ranges including stacks
-  if (!all_core_memory_vec.empty())
-    total_size += 256 + (all_core_memory_vec.size() *
+  if (!all_core_memory_ranges.empty())
+    total_size += 256 + (all_core_memory_ranges.size() *
                          sizeof(llvm::minidump::MemoryDescriptor_64));
 
-  for (const auto &core_range : all_core_memory_vec) {
+  for (const auto &core_range : all_core_memory_ranges) {
     const addr_t range_size = core_range.range.size();
     // We don't need to check for stacks here because we already removed them
     // from all_core_memory_ranges.
@@ -965,15 +958,15 @@ Status MinidumpFileBuilder::DumpDirectories() const {
 }
 
 static uint64_t
-GetLargestRangeSize(const std::vector<CoreFileMemoryRange> &ranges) {
+GetLargestRangeSize(const Process::CoreFileMemoryRanges &ranges) {
   uint64_t max_size = 0;
   for (const auto &core_range : ranges)
     max_size = std::max(max_size, core_range.range.size());
   return max_size;
 }
 
-Status MinidumpFileBuilder::AddMemoryList_32(
-    std::vector<CoreFileMemoryRange> &ranges) {
+Status
+MinidumpFileBuilder::AddMemoryList_32(Process::CoreFileMemoryRanges &ranges) {
   std::vector<MemoryDescriptor> descriptors;
   Status error;
   if (ranges.size() == 0)
@@ -1049,8 +1042,8 @@ Status MinidumpFileBuilder::AddMemoryList_32(
   return error;
 }
 
-Status MinidumpFileBuilder::AddMemoryList_64(
-    std::vector<CoreFileMemoryRange> &ranges) {
+Status
+MinidumpFileBuilder::AddMemoryList_64(Process::CoreFileMemoryRanges &ranges) {
   Status error;
   if (ranges.empty())
     return error;

diff  --git a/lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.h b/lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.h
index 71001e26c00e91..762de83db5a39c 100644
--- a/lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.h
+++ b/lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.h
@@ -23,7 +23,6 @@
 #include <utility>
 #include <variant>
 
-#include "lldb/Symbol/SaveCoreOptions.h"
 #include "lldb/Target/Process.h"
 #include "lldb/Target/Target.h"
 #include "lldb/Utility/DataBufferHeap.h"
@@ -121,9 +120,9 @@ class MinidumpFileBuilder {
   lldb_private::Status AddData(const void *data, uint64_t size);
   // Add MemoryList stream, containing dumps of important memory segments
   lldb_private::Status
-  AddMemoryList_64(std::vector<lldb_private::CoreFileMemoryRange> &ranges);
+  AddMemoryList_64(lldb_private::Process::CoreFileMemoryRanges &ranges);
   lldb_private::Status
-  AddMemoryList_32(std::vector<lldb_private::CoreFileMemoryRange> &ranges);
+  AddMemoryList_32(lldb_private::Process::CoreFileMemoryRanges &ranges);
   // Update the thread list on disk with the newly emitted stack RVAs.
   lldb_private::Status FixThreadStacks();
   lldb_private::Status FlushBufferToDisk();

diff  --git a/lldb/source/Plugins/ObjectFile/Minidump/ObjectFileMinidump.h b/lldb/source/Plugins/ObjectFile/Minidump/ObjectFileMinidump.h
index 2f45f01558e667..b76fcd0052a8a8 100644
--- a/lldb/source/Plugins/ObjectFile/Minidump/ObjectFileMinidump.h
+++ b/lldb/source/Plugins/ObjectFile/Minidump/ObjectFileMinidump.h
@@ -21,7 +21,6 @@
 #define LLDB_SOURCE_PLUGINS_OBJECTFILE_MINIDUMP_OBJECTFILEMINIDUMP_H
 
 #include "lldb/Symbol/ObjectFile.h"
-#include "lldb/Symbol/SaveCoreOptions.h"
 #include "lldb/Utility/ArchSpec.h"
 
 class ObjectFileMinidump : public lldb_private::PluginInterface {

diff  --git a/lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.cpp b/lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.cpp
index 8d9c919bc9b101..9d01089745dfc9 100644
--- a/lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.cpp
+++ b/lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.cpp
@@ -17,7 +17,6 @@
 #include "lldb/Interpreter/OptionValueDictionary.h"
 #include "lldb/Interpreter/OptionValueProperties.h"
 #include "lldb/Symbol/ObjectFile.h"
-#include "lldb/Symbol/SaveCoreOptions.h"
 #include "lldb/Target/Process.h"
 #include "lldb/Target/SectionLoadList.h"
 #include "lldb/Target/Target.h"

diff  --git a/lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.h b/lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.h
index 4f4dedf773c5ba..8bccf3be3e5f63 100644
--- a/lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.h
+++ b/lldb/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.h
@@ -13,7 +13,6 @@
 #include <vector>
 
 #include "lldb/Symbol/ObjectFile.h"
-#include "lldb/Symbol/SaveCoreOptions.h"
 #include "llvm/Object/COFF.h"
 
 class ObjectFilePECOFF : public lldb_private::ObjectFile {

diff  --git a/lldb/source/Symbol/SaveCoreOptions.cpp b/lldb/source/Symbol/SaveCoreOptions.cpp
index 8d9aadece2152d..35943726f2e4ef 100644
--- a/lldb/source/Symbol/SaveCoreOptions.cpp
+++ b/lldb/source/Symbol/SaveCoreOptions.cpp
@@ -102,19 +102,6 @@ bool SaveCoreOptions::ShouldThreadBeSaved(lldb::tid_t tid) const {
   return m_threads_to_save.count(tid) > 0;
 }
 
-bool SaveCoreOptions::HasSpecifiedThreads() const {
-  return !m_threads_to_save.empty();
-}
-
-void SaveCoreOptions::AddMemoryRegionToSave(
-    const lldb_private::MemoryRegionInfo &region) {
-  m_regions_to_save.Insert(region.GetRange(), /*combine=*/true);
-}
-
-const MemoryRanges &SaveCoreOptions::GetCoreFileMemoryRanges() const {
-  return m_regions_to_save;
-}
-
 Status SaveCoreOptions::EnsureValidConfiguration(
     lldb::ProcessSP process_sp) const {
   Status error;
@@ -144,5 +131,4 @@ void SaveCoreOptions::Clear() {
   m_style = std::nullopt;
   m_threads_to_save.clear();
   m_process_sp.reset();
-  m_regions_to_save.Clear();
 }

diff  --git a/lldb/source/Target/CMakeLists.txt b/lldb/source/Target/CMakeLists.txt
index a6d2eace975420..a42c44b761dc56 100644
--- a/lldb/source/Target/CMakeLists.txt
+++ b/lldb/source/Target/CMakeLists.txt
@@ -11,7 +11,6 @@ add_lldb_library(lldbTarget
   ABI.cpp
   AssertFrameRecognizer.cpp
   DynamicRegisterInfo.cpp
-  CoreFileMemoryRanges.cpp
   ExecutionContext.cpp
   InstrumentationRuntime.cpp
   InstrumentationRuntimeStopInfo.cpp

diff  --git a/lldb/source/Target/CoreFileMemoryRanges.cpp b/lldb/source/Target/CoreFileMemoryRanges.cpp
deleted file mode 100644
index c244b5890ac364..00000000000000
--- a/lldb/source/Target/CoreFileMemoryRanges.cpp
+++ /dev/null
@@ -1,49 +0,0 @@
-//===-- CoreFileMemoryRanges.cpp --------------------------------*- C++ -*-===//
-//
-// 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/Target/CoreFileMemoryRanges.h"
-
-using namespace lldb;
-using namespace lldb_private;
-
-Status CoreFileMemoryRanges::FinalizeCoreFileSaveRanges() {
-  Status error;
-  std::vector<size_t> indexes_to_remove;
-  this->Sort();
-  for (size_t i = this->GetSize() - 1; i > 0; i--) {
-    auto region = this->GetMutableEntryAtIndex(i);
-    auto next_region = this->GetMutableEntryAtIndex(i - 1);
-    if (next_region->GetRangeEnd() >= region->GetRangeBase() &&
-        region->GetRangeBase() <= next_region->GetRangeEnd() &&
-        region->data.lldb_permissions == next_region->data.lldb_permissions) {
-      const addr_t base =
-          std::min(region->GetRangeBase(), next_region->GetRangeBase());
-      const addr_t byte_size =
-          std::max(region->GetRangeEnd(), next_region->GetRangeEnd()) - base;
-
-      next_region->SetRangeBase(base);
-      next_region->SetByteSize(byte_size);
-
-      // Because this is a range data vector, the entry has a base as well
-      // as the data contained in the entry. So we have to update both.
-      // And llvm::AddressRange isn't mutable so we have to create a new one.
-      llvm::AddressRange range(base, base + byte_size);
-      const CoreFileMemoryRange core_range = {
-          range, next_region->data.lldb_permissions};
-      next_region->data = core_range;
-      if (!this->Erase(i, i + 1)) {
-        error = Status::FromErrorString(
-            "Core file memory ranges mutated outside of "
-            "CalculateCoreFileSaveRanges");
-        return error;
-      }
-    }
-  }
-
-  return error;
-}

diff  --git a/lldb/source/Target/Process.cpp b/lldb/source/Target/Process.cpp
index dbcb97355d0bf7..40f3115f1ff6de 100644
--- a/lldb/source/Target/Process.cpp
+++ b/lldb/source/Target/Process.cpp
@@ -6463,7 +6463,7 @@ Status Process::WriteMemoryTags(lldb::addr_t addr, size_t len,
 }
 
 // Create a CoreFileMemoryRange from a MemoryRegionInfo
-static CoreFileMemoryRange
+static Process::CoreFileMemoryRange
 CreateCoreFileMemoryRange(const MemoryRegionInfo &region) {
   const addr_t addr = region.GetRange().GetRangeBase();
   llvm::AddressRange range(addr, addr + region.GetRange().GetByteSize());
@@ -6474,7 +6474,7 @@ CreateCoreFileMemoryRange(const MemoryRegionInfo &region) {
 // were added. Return false if the dirty page information is not valid or in
 // the region.
 static bool AddDirtyPages(const MemoryRegionInfo &region,
-                          CoreFileMemoryRanges &ranges) {
+                          Process::CoreFileMemoryRanges &ranges) {
   const auto &dirty_page_list = region.GetDirtyPageList();
   if (!dirty_page_list)
     return false;
@@ -6494,14 +6494,14 @@ static bool AddDirtyPages(const MemoryRegionInfo &region,
       } else {
         // Add previous contiguous range and init the new range with the
         // current dirty page.
-        ranges.Append(range.start(), range.end(), {range, lldb_permissions});
+        ranges.push_back({range, lldb_permissions});
         range = llvm::AddressRange(page_addr, page_addr + page_size);
       }
     }
   }
   // The last range
   if (!range.empty())
-    ranges.Append(range.start(), range.end(), {range, lldb_permissions});
+    ranges.push_back({range, lldb_permissions});
   return true;
 }
 
@@ -6513,7 +6513,7 @@ static bool AddDirtyPages(const MemoryRegionInfo &region,
 // will be added to \a ranges, else the entire range will be added to \a
 // ranges.
 static void AddRegion(const MemoryRegionInfo &region, bool try_dirty_pages,
-                      CoreFileMemoryRanges &ranges) {
+                      Process::CoreFileMemoryRanges &ranges) {
   // Don't add empty ranges.
   if (region.GetRange().GetByteSize() == 0)
     return;
@@ -6522,17 +6522,13 @@ static void AddRegion(const MemoryRegionInfo &region, bool try_dirty_pages,
     return;
   if (try_dirty_pages && AddDirtyPages(region, ranges))
     return;
-
-  ranges.Append(region.GetRange().GetRangeBase(),
-                region.GetRange().GetByteSize(),
-                CreateCoreFileMemoryRange(region));
+  ranges.push_back(CreateCoreFileMemoryRange(region));
 }
 
-static void SaveOffRegionsWithStackPointers(Process &process,
-                                            const SaveCoreOptions &core_options,
-                                            const MemoryRegionInfos &regions,
-                                            CoreFileMemoryRanges &ranges,
-                                            std::set<addr_t> &stack_ends) {
+static void SaveOffRegionsWithStackPointers(
+    Process &process, const SaveCoreOptions &core_options,
+    const MemoryRegionInfos &regions, Process::CoreFileMemoryRanges &ranges,
+    std::set<addr_t> &stack_ends) {
   const bool try_dirty_pages = true;
 
   // Before we take any dump, we want to save off the used portions of the
@@ -6572,11 +6568,11 @@ static void SaveOffRegionsWithStackPointers(Process &process,
 // for a full core file style.
 static void GetCoreFileSaveRangesFull(Process &process,
                                       const MemoryRegionInfos &regions,
-                                      CoreFileMemoryRanges &ranges,
+                                      Process::CoreFileMemoryRanges &ranges,
                                       std::set<addr_t> &stack_ends) {
 
   // Don't add only dirty pages, add full regions.
-  const bool try_dirty_pages = false;
+const bool try_dirty_pages = false;
   for (const auto &region : regions)
     if (stack_ends.count(region.GetRange().GetRangeEnd()) == 0)
       AddRegion(region, try_dirty_pages, ranges);
@@ -6586,10 +6582,9 @@ static void GetCoreFileSaveRangesFull(Process &process,
 // least some dirty pages, as some OS versions don't support reporting what
 // pages are dirty within an memory region. If no memory regions have dirty
 // page information fall back to saving out all ranges with write permissions.
-static void GetCoreFileSaveRangesDirtyOnly(Process &process,
-                                           const MemoryRegionInfos &regions,
-                                           CoreFileMemoryRanges &ranges,
-                                           std::set<addr_t> &stack_ends) {
+static void GetCoreFileSaveRangesDirtyOnly(
+    Process &process, const MemoryRegionInfos &regions,
+    Process::CoreFileMemoryRanges &ranges, std::set<addr_t> &stack_ends) {
 
   // Iterate over the regions and find all dirty pages.
   bool have_dirty_page_info = false;
@@ -6618,10 +6613,9 @@ static void GetCoreFileSaveRangesDirtyOnly(Process &process,
 // dirty regions as this will make the core file smaller. If the process
 // doesn't support dirty regions, then it will fall back to adding the full
 // stack region.
-static void GetCoreFileSaveRangesStackOnly(Process &process,
-                                           const MemoryRegionInfos &regions,
-                                           CoreFileMemoryRanges &ranges,
-                                           std::set<addr_t> &stack_ends) {
+static void GetCoreFileSaveRangesStackOnly(
+    Process &process, const MemoryRegionInfos &regions,
+    Process::CoreFileMemoryRanges &ranges, std::set<addr_t> &stack_ends) {
   const bool try_dirty_pages = true;
   // Some platforms support annotating the region information that tell us that
   // it comes from a thread stack. So look for those regions first.
@@ -6634,23 +6628,6 @@ static void GetCoreFileSaveRangesStackOnly(Process &process,
   }
 }
 
-static void GetUserSpecifiedCoreFileSaveRanges(Process &process,
-                                               const MemoryRegionInfos &regions,
-                                               const SaveCoreOptions &options,
-                                               CoreFileMemoryRanges &ranges) {
-  const auto &option_ranges = options.GetCoreFileMemoryRanges();
-  if (option_ranges.IsEmpty())
-    return;
-
-  for (const auto &range : regions) {
-    auto entry = option_ranges.FindEntryThatContains(range.GetRange());
-    if (entry)
-      ranges.Append(range.GetRange().GetRangeBase(),
-                    range.GetRange().GetByteSize(),
-                    CreateCoreFileMemoryRange(range));
-  }
-}
-
 Status Process::CalculateCoreFileSaveRanges(const SaveCoreOptions &options,
                                             CoreFileMemoryRanges &ranges) {
   lldb_private::MemoryRegionInfos regions;
@@ -6666,18 +6643,11 @@ Status Process::CalculateCoreFileSaveRanges(const SaveCoreOptions &options,
         "callers must set the core_style to something other than "
         "eSaveCoreUnspecified");
 
-  GetUserSpecifiedCoreFileSaveRanges(*this, regions, options, ranges);
-
   std::set<addr_t> stack_ends;
-  // For fully custom set ups, we don't want to even look at threads if there
-  // are no threads specified.
-  if (core_style != lldb::eSaveCoreCustomOnly || options.HasSpecifiedThreads())
-    SaveOffRegionsWithStackPointers(*this, options, regions, ranges,
-                                    stack_ends);
+  SaveOffRegionsWithStackPointers(*this, options, regions, ranges, stack_ends);
 
   switch (core_style) {
   case eSaveCoreUnspecified:
-  case eSaveCoreCustomOnly:
     break;
 
   case eSaveCoreFull:
@@ -6696,11 +6666,10 @@ Status Process::CalculateCoreFileSaveRanges(const SaveCoreOptions &options,
   if (err.Fail())
     return err;
 
-  if (ranges.IsEmpty())
-    return Status::FromErrorString(
-        "no valid address ranges found for core style");
+  if (ranges.empty())
+    return Status("no valid address ranges found for core style");
 
-  return ranges.FinalizeCoreFileSaveRanges();
+  return Status(); // Success!
 }
 
 std::vector<ThreadSP>

diff  --git a/lldb/test/API/functionalities/process_save_core_minidump/TestProcessSaveCoreMinidump.py b/lldb/test/API/functionalities/process_save_core_minidump/TestProcessSaveCoreMinidump.py
index 2cbe20ee10b1af..ed15793b527fc9 100644
--- a/lldb/test/API/functionalities/process_save_core_minidump/TestProcessSaveCoreMinidump.py
+++ b/lldb/test/API/functionalities/process_save_core_minidump/TestProcessSaveCoreMinidump.py
@@ -344,152 +344,3 @@ def test_save_linux_mini_dump_default_options(self):
             self.assertTrue(self.dbg.DeleteTarget(target))
             if os.path.isfile(default_value_file):
                 os.unlink(default_value_file)
-
-    @skipUnlessArch("x86_64")
-    @skipUnlessPlatform(["linux"])
-    def test_save_linux_minidump_one_region(self):
-        """Test that we can save a Linux mini dump with one region in sbsavecore regions"""
-
-        self.build()
-        exe = self.getBuildArtifact("a.out")
-        one_region_file = self.getBuildArtifact("core.one_region.dmp")
-        try:
-            target = self.dbg.CreateTarget(exe)
-            process = target.LaunchSimple(
-                None, None, self.get_process_working_directory()
-            )
-            self.assertState(process.GetState(), lldb.eStateStopped)
-
-            memory_region = lldb.SBMemoryRegionInfo()
-            memory_list = process.GetMemoryRegions()
-            memory_list.GetMemoryRegionAtIndex(0, memory_region)
-
-            # This is almost identical to the single thread test case because
-            # minidump defaults to stacks only, so we want to see if the
-            # default options work as expected.
-            options = lldb.SBSaveCoreOptions()
-            file_spec = lldb.SBFileSpec(one_region_file)
-            options.SetOutputFile(file_spec)
-            options.SetPluginName("minidump")
-            options.AddMemoryRegionToSave(memory_region)
-            options.SetStyle(lldb.eSaveCoreCustomOnly)
-            error = process.SaveCore(options)
-            print(f"Error: {error.GetCString()}")
-            self.assertTrue(error.Success(), error.GetCString())
-
-            core_target = self.dbg.CreateTarget(None)
-            core_proc = core_target.LoadCore(one_region_file)
-            core_memory_list = core_proc.GetMemoryRegions()
-            # Note because the /proc/pid maps are included on linux, we can't
-            # depend on size for validation, so we'll ensure the first region
-            # is present and then assert we fail on the second.
-            core_memory_region = lldb.SBMemoryRegionInfo()
-            core_memory_list.GetMemoryRegionAtIndex(0, core_memory_region)
-            self.assertEqual(
-                core_memory_region.GetRegionBase(), memory_region.GetRegionBase()
-            )
-            self.assertEqual(
-                core_memory_region.GetRegionEnd(), memory_region.GetRegionEnd()
-            )
-
-            region_two = lldb.SBMemoryRegionInfo()
-            core_memory_list.GetMemoryRegionAtIndex(1, region_two)
-            err = lldb.SBError()
-            content = core_proc.ReadMemory(region_two.GetRegionBase(), 1, err)
-            self.assertTrue(err.Fail(), "Should fail to read memory")
-
-        finally:
-            self.assertTrue(self.dbg.DeleteTarget(target))
-            if os.path.isfile(one_region_file):
-                os.unlink(one_region_file)
-
-    @skipUnlessArch("x86_64")
-    @skipUnlessPlatform(["linux"])
-    def test_save_minidump_custom_save_style(self):
-        """Test that verifies a custom and unspecified save style fails for
-        containing no data to save"""
-
-        self.build()
-        exe = self.getBuildArtifact("a.out")
-        custom_file = self.getBuildArtifact("core.custom.dmp")
-        try:
-            target = self.dbg.CreateTarget(exe)
-            process = target.LaunchSimple(
-                None, None, self.get_process_working_directory()
-            )
-            self.assertState(process.GetState(), lldb.eStateStopped)
-
-            options = lldb.SBSaveCoreOptions()
-            options.SetOutputFile(lldb.SBFileSpec(custom_file))
-            options.SetPluginName("minidump")
-            options.SetStyle(lldb.eSaveCoreCustomOnly)
-
-            error = process.SaveCore(options)
-            self.assertTrue(error.Fail())
-            self.assertEqual(
-                error.GetCString(), "no valid address ranges found for core style"
-            )
-
-        finally:
-            self.assertTrue(self.dbg.DeleteTarget(target))
-            if os.path.isfile(custom_file):
-                os.unlink(custom_file)
-
-    def save_core_with_region(self, process, region_index):
-        try:
-            custom_file = self.getBuildArtifact("core.custom.dmp")
-            memory_region = lldb.SBMemoryRegionInfo()
-            memory_list = process.GetMemoryRegions()
-            memory_list.GetMemoryRegionAtIndex(0, memory_region)
-            options = lldb.SBSaveCoreOptions()
-            options.SetOutputFile(lldb.SBFileSpec(custom_file))
-            options.SetPluginName("minidump")
-            options.SetStyle(lldb.eSaveCoreFull)
-
-            error = process.SaveCore(options)
-            self.assertTrue(error.Success())
-            core_target = self.dbg.CreateTarget(None)
-            core_proc = core_target.LoadCore(custom_file)
-            core_memory_list = core_proc.GetMemoryRegions()
-            # proc/pid/ maps are included on linux, so we can't depend on size
-            # for validation, we make a set of all the ranges,
-            # and ensure no duplicates!
-            range_set = set()
-            for x in range(core_memory_list.GetSize()):
-                core_memory_region = lldb.SBMemoryRegionInfo()
-                core_memory_list.GetMemoryRegionAtIndex(x, core_memory_region)
-                mem_tuple = (
-                    core_memory_region.GetRegionBase(),
-                    core_memory_region.GetRegionEnd(),
-                )
-                self.assertTrue(
-                    mem_tuple not in range_set, "Duplicate memory region found"
-                )
-                range_set.add(mem_tuple)
-        finally:
-            if os.path.isfile(custom_file):
-                os.unlink(custom_file)
-
-    @skipUnlessArch("x86_64")
-    @skipUnlessPlatform(["linux"])
-    def test_save_minidump_custom_save_style_duplicated_regions(self):
-        """Test that verifies a custom and unspecified save style fails for
-        containing no data to save"""
-
-        self.build()
-        exe = self.getBuildArtifact("a.out")
-        try:
-            target = self.dbg.CreateTarget(exe)
-            process = target.LaunchSimple(
-                None, None, self.get_process_working_directory()
-            )
-            self.assertState(process.GetState(), lldb.eStateStopped)
-
-            memory_list = process.GetMemoryRegions()
-            # Test that we don't duplicate regions, by duplicating regions
-            # at various indices.
-            self.save_core_with_region(process, 0)
-            self.save_core_with_region(process, len(memory_list) - 1)
-
-        finally:
-            self.assertTrue(self.dbg.DeleteTarget(target))

diff  --git a/lldb/unittests/Process/Utility/CMakeLists.txt b/lldb/unittests/Process/Utility/CMakeLists.txt
index ec0ff95d073b92..651f871621fdfc 100644
--- a/lldb/unittests/Process/Utility/CMakeLists.txt
+++ b/lldb/unittests/Process/Utility/CMakeLists.txt
@@ -18,7 +18,6 @@ add_lldb_unittest(ProcessUtilityTests
   LinuxProcMapsTest.cpp
   MemoryTagManagerAArch64MTETest.cpp
   RegisterContextTest.cpp
-  CoreFileMemoryRangesTest.cpp
   ${PLATFORM_SOURCES}
 
   LINK_LIBS

diff  --git a/lldb/unittests/Process/Utility/CoreFileMemoryRangesTest.cpp b/lldb/unittests/Process/Utility/CoreFileMemoryRangesTest.cpp
deleted file mode 100644
index 7f1254acf6f53a..00000000000000
--- a/lldb/unittests/Process/Utility/CoreFileMemoryRangesTest.cpp
+++ /dev/null
@@ -1,108 +0,0 @@
-//===-- CoreFileMemoryRangesTests.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 "gmock/gmock.h"
-#include "gtest/gtest.h"
-
-#include "lldb/Target/CoreFileMemoryRanges.h"
-#include "lldb/lldb-types.h"
-
-using namespace lldb_private;
-
-TEST(CoreFileMemoryRangesTest, MapOverlappingRanges) {
-  lldb_private::CoreFileMemoryRanges ranges;
-  const lldb::addr_t start_addr = 0x1000;
-  const lldb::addr_t increment_addr = 0x1000;
-  const size_t iterations = 10;
-  for (size_t i = 0; i < iterations; i++) {
-    const lldb::addr_t start = start_addr + (i * increment_addr);
-    const lldb::addr_t end = start + increment_addr;
-    // Arbitrary value
-    const uint32_t permissions = 0x3;
-    llvm::AddressRange range(start, end);
-    const CoreFileMemoryRange core_range = {range, permissions};
-    // The range data is Start, Size, While the range is start-end.
-    CoreFileMemoryRanges::Entry entry = {start, end - start, core_range};
-    ranges.Append(entry);
-  }
-
-  Status error = ranges.FinalizeCoreFileSaveRanges();
-  EXPECT_TRUE(error.Success());
-  ASSERT_THAT(1, ranges.GetSize());
-  const auto range = ranges.GetEntryAtIndex(0);
-  ASSERT_TRUE(range);
-  ASSERT_THAT(start_addr, range->GetRangeBase());
-  ASSERT_THAT(start_addr + (iterations * increment_addr), range->GetRangeEnd());
-}
-
-TEST(CoreFileMemoryRangesTest, RangesSplitByPermissions) {
-  lldb_private::CoreFileMemoryRanges ranges;
-  const lldb::addr_t start_addr = 0x1000;
-  const lldb::addr_t increment_addr = 0x1000;
-  const size_t iterations = 10;
-  for (size_t i = 0; i < iterations; i++) {
-    const lldb::addr_t start = start_addr + (i * increment_addr);
-    const lldb::addr_t end = start + increment_addr;
-    const uint32_t permissions = i;
-    llvm::AddressRange range(start, end);
-    const CoreFileMemoryRange core_range = {range, permissions};
-    // The range data is Start, Size, While the range is start-end.
-    CoreFileMemoryRanges::Entry entry = {start, end - start, core_range};
-    ranges.Append(entry);
-  }
-
-  Status error = ranges.FinalizeCoreFileSaveRanges();
-  EXPECT_TRUE(error.Success());
-  ASSERT_THAT(10, ranges.GetSize());
-  const auto range = ranges.GetEntryAtIndex(0);
-  ASSERT_TRUE(range);
-  ASSERT_THAT(start_addr, range->GetRangeBase());
-  ASSERT_THAT(start_addr + increment_addr, range->GetRangeEnd());
-}
-
-TEST(CoreFileMemoryRangesTest, MapPartialOverlappingRanges) {
-  lldb_private::CoreFileMemoryRanges ranges;
-  const lldb::addr_t start_addr = 0x1000;
-  const lldb::addr_t increment_addr = 0x1000;
-  const size_t iterations = 10;
-  for (size_t i = 0; i < iterations; i++) {
-    const lldb::addr_t start = start_addr + (i * increment_addr);
-    const lldb::addr_t end = start + increment_addr;
-    // Arbitrary value
-    const uint32_t permissions = 0x3;
-    llvm::AddressRange range(start, end);
-    const CoreFileMemoryRange core_range = {range, permissions};
-    // The range data is Start, Size, While the range is start-end.
-    CoreFileMemoryRanges::Entry entry = {start, end - start, core_range};
-    ranges.Append(entry);
-  }
-
-  const lldb::addr_t unique_start = 0x7fff0000;
-  const lldb::addr_t unique_end = unique_start + increment_addr;
-  llvm::AddressRange range(unique_start, unique_end);
-  const uint32_t permissions = 0x3;
-  const CoreFileMemoryRange core_range = {range, permissions};
-  // The range data is Start, Size, While the range is start-end.
-  CoreFileMemoryRanges::Entry entry = {unique_start, unique_end - unique_start,
-                                       core_range};
-  ranges.Append(entry);
-
-  Status error = ranges.FinalizeCoreFileSaveRanges();
-  EXPECT_TRUE(error.Success());
-  ASSERT_THAT(2, ranges.GetSize());
-  const auto merged_range = ranges.GetEntryAtIndex(0);
-  ASSERT_TRUE(merged_range);
-  ASSERT_THAT(start_addr, merged_range->GetRangeBase());
-  ASSERT_THAT(start_addr + (iterations * increment_addr),
-              merged_range->GetRangeEnd());
-  const auto unique_range = ranges.GetEntryAtIndex(1);
-  ASSERT_TRUE(unique_range);
-  ASSERT_THAT(unique_start, unique_range->GetRangeBase());
-  ASSERT_THAT(unique_end, unique_range->GetRangeEnd());
-}


        


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