[Lldb-commits] [lldb] [lldb] Convert registers values into target endian for expressions (PR #148836)

[David Spickett via lldb-commits]

================
@@ -1376,29 +1376,26 @@ class EntityRegister : public Materializer::Entity {
       return;
     }
 
-    DataExtractor register_data;
-
-    if (!reg_value.GetData(register_data)) {
-      err = Status::FromErrorStringWithFormat(
-          "couldn't get the data for register %s", m_register_info.name);
-      return;
-    }
-
-    if (register_data.GetByteSize() != m_register_info.byte_size) {
+    if (reg_value.GetByteSize() != m_register_info.byte_size) {
       err = Status::FromErrorStringWithFormat(
           "data for register %s had size %llu but we expected %llu",
-          m_register_info.name, (unsigned long 
long)register_data.GetByteSize(),
+          m_register_info.name, (unsigned long long)reg_value.GetByteSize(),
           (unsigned long long)m_register_info.byte_size);
       return;
     }
 
-    m_register_contents = std::make_shared<DataBufferHeap>(
-        register_data.GetDataStart(), register_data.GetByteSize());
+    lldb_private::DataBufferHeap buf(reg_value.GetByteSize(), 0);
+    reg_value.GetAsMemoryData(m_register_info, buf.GetBytes(),
+                              buf.GetByteSize(), map.GetByteOrder(), err);
----------------
DavidSpickett wrote:

This `map.GetByteOrder` is the key part.

https://github.com/llvm/llvm-project/pull/148836
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