[Lldb-commits] [PATCH] D122347: Expose GetAddressingBits() in the Process API

[Adrian Prantl via Phabricator via lldb-commits]

aprantl created this revision.
aprantl added reviewers: JDevlieghere, jasonmolenda.
Herald added a project: All.
aprantl requested review of this revision.

See https://github.com/apple/llvm-project/pull/4110 for motivation and context.


https://reviews.llvm.org/D122347

Files:
  lldb/include/lldb/Target/Process.h
  lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
  lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.h


Index: lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.h
===================================================================
--- lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.h
+++ lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.h
@@ -72,6 +72,8 @@
 
   ArchSpec GetSystemArchitecture() override;
 
+  llvm::Optional<uint32_t> GetAddressingBits() override;
+
   // Check if a given Process
   bool CanDebug(lldb::TargetSP target_sp,
                 bool plugin_specified_by_name) override;
Index: lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
===================================================================
--- lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
+++ lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
@@ -212,6 +212,10 @@
   return m_gdb_comm.GetHostArchitecture();
 }
 
+llvm::Optional<uint32_t> ProcessGDBRemote::GetAddressingBits() {
+  return m_gdb_comm.GetAddressingBits();
+}
+
 bool ProcessGDBRemote::CanDebug(lldb::TargetSP target_sp,
                                 bool plugin_specified_by_name) {
   if (plugin_specified_by_name)
Index: lldb/include/lldb/Target/Process.h
===================================================================
--- lldb/include/lldb/Target/Process.h
+++ lldb/include/lldb/Target/Process.h
@@ -699,6 +699,9 @@
   /// Get the system architecture for this process.
   virtual ArchSpec GetSystemArchitecture() { return {}; }
 
+  /// Return the number of bits in a vmaddr that are used by valid addresses.
+  virtual llvm::Optional<uint32_t> GetAddressingBits() { return {}; }
+
   /// Get the system runtime plug-in for this process.
   ///
   /// \return


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