Move the TLS code to the DYLD

Author: Jlalond

lldb/include/lldb/Target/DynamicLoader.h

@@ -11,14 +11,14 @@
 
 #include "lldb/Core/Address.h"
 #include "lldb/Core/PluginInterface.h"
+#include "lldb/Target/CoreFileMemoryRanges.h"
 #include "lldb/Utility/FileSpec.h"
 #include "lldb/Utility/Status.h"
 #include "lldb/Utility/UUID.h"
 #include "lldb/lldb-defines.h"
 #include "lldb/lldb-forward.h"
 #include "lldb/lldb-private-enumerations.h"
 #include "lldb/lldb-types.h"
-#include "lldb/Target/CoreFileMemoryRanges.h"
 
 #include <cstddef>
 #include <cstdint>
@@ -338,12 +338,16 @@ class DynamicLoader : public PluginInterface {
     return std::nullopt;
   }
 
-  /// Returns a list of memory ranges that should be saved in the core file, 
+  /// Returns a list of memory ranges that should be saved in the core file,
   /// specific for this dßynamic loader.
   ///
   /// By default, this returns an empty list, but for POSIX/ELF it will return
   /// the link map, and the TLS data.
-  virtual void CalculateDynamicSaveCoreRanges(lldb_private::Process &process, std::vector<lldb_private::MemoryRegionInfo> &ranges, std::function<bool(const lldb_private::Thread&)> save_thread_predicate) {};
+  virtual void CalculateDynamicSaveCoreRanges(
+      lldb_private::Process &process,
+      std::vector<lldb_private::MemoryRegionInfo> &ranges,
+      std::function<bool(const lldb_private::Thread &)> save_thread_predicate) {
+  };
 
 protected:
   // Utility methods for derived classes

lldb/source/Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.cpp

@@ -901,7 +901,8 @@ static void AddSegmentRegisterSections(Process &process, ThreadSP &thread_sp,
 }
 
 // Save off the link map for core files.
-static void AddLinkMapSections(Process &process, std::vector<MemoryRegionInfo> &ranges) {
+static void AddLinkMapSections(Process &process,
+                               std::vector<MemoryRegionInfo> &ranges) {
   ModuleList &module_list = process.GetTarget().GetImages();
   Target *target = &process.GetTarget();
   for (size_t idx = 0; idx < module_list.GetSize(); idx++) {
@@ -926,7 +927,10 @@ static void AddLinkMapSections(Process &process, std::vector<MemoryRegionInfo> &
   }
 }
 
-void DynamicLoaderPOSIXDYLD::CalculateDynamicSaveCoreRanges(lldb_private::Process &process, std::vector<lldb_private::MemoryRegionInfo> &ranges, std::function<bool(const lldb_private::Thread&)> save_thread_predicate) {
+void DynamicLoaderPOSIXDYLD::CalculateDynamicSaveCoreRanges(
+    lldb_private::Process &process,
+    std::vector<lldb_private::MemoryRegionInfo> &ranges,
+    std::function<bool(const lldb_private::Thread &)> save_thread_predicate) {
   ThreadList &thread_list = process.GetThreadList();
   for (size_t idx = 0; idx < thread_list.GetSize(); idx++) {
     ThreadSP thread_sp = thread_list.GetThreadAtIndex(idx);

lldb/source/Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.h

@@ -60,7 +60,11 @@ class DynamicLoaderPOSIXDYLD : public lldb_private::DynamicLoader {
                                      lldb::addr_t base_addr,
                                      bool base_addr_is_offset) override;
 
-   void CalculateDynamicSaveCoreRanges(lldb_private::Process &process, std::vector<lldb_private::MemoryRegionInfo> &ranges, std::function<bool(const lldb_private::Thread&)> save_thread_predicate) override; 
+  void CalculateDynamicSaveCoreRanges(
+      lldb_private::Process &process,
+      std::vector<lldb_private::MemoryRegionInfo> &ranges,
+      std::function<bool(const lldb_private::Thread &)> save_thread_predicate)
+      override;
 
 protected:
   /// Runtime linker rendezvous structure.

lldb/source/Target/Process.cpp

@@ -6528,16 +6528,24 @@ static void AddRegion(const MemoryRegionInfo &region, bool try_dirty_pages,
                 CreateCoreFileMemoryRange(region));
 }
 
-static void SaveDynamicLoaderSections(Process &process, const SaveCoreOptions &options, CoreFileMemoryRanges &ranges, std::set<addr_t> &stack_ends) {
+static void SaveDynamicLoaderSections(Process &process,
+                                      const SaveCoreOptions &options,
+                                      CoreFileMemoryRanges &ranges,
+                                      std::set<addr_t> &stack_ends) {
   DynamicLoader *dyld = process.GetDynamicLoader();
   if (!dyld)
     return;
 
   std::vector<MemoryRegionInfo> dynamic_loader_mem_regions;
-  std::function<bool(const lldb_private::Thread&)> save_thread_predicate = [&](const lldb_private::Thread &t) -> bool { return options.ShouldThreadBeSaved(t.GetID()); };
-  dyld->CalculateDynamicSaveCoreRanges(process, dynamic_loader_mem_regions, save_thread_predicate);
+  std::function<bool(const lldb_private::Thread &)> save_thread_predicate =
+      [&](const lldb_private::Thread &t) -> bool {
+    return options.ShouldThreadBeSaved(t.GetID());
+  };
+  dyld->CalculateDynamicSaveCoreRanges(process, dynamic_loader_mem_regions,
+                                       save_thread_predicate);
   for (const auto &region : dynamic_loader_mem_regions) {
-    // The Dynamic Loader can give us regions that could include a truncated stack
+    // The Dynamic Loader can give us regions that could include a truncated
+    // stack
     if (stack_ends.count(region.GetRange().GetRangeEnd()) == 0)
       AddRegion(region, true, ranges);
   }
@@ -6693,8 +6701,8 @@ Status Process::CalculateCoreFileSaveRanges(const SaveCoreOptions &options,
       options.HasSpecifiedThreads()) {
     SaveOffRegionsWithStackPointers(*this, options, regions, ranges,
                                     stack_ends);
-    // Save off the dynamic loader sections, so if we are on an architecture that supports
-    // Thread Locals, that we include those as well.
+    // Save off the dynamic loader sections, so if we are on an architecture
+    // that supports Thread Locals, that we include those as well.
     SaveDynamicLoaderSections(*this, options, ranges, stack_ends);
   }