[Lldb-commits] [lldb] [lldb] Add SubtargetFeatures to ArchSpec (PR #173046)

[David Spickett via lldb-commits]

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@@ -1405,6 +1409,117 @@ void ObjectFileELF::ParseARMAttributes(DataExtractor &data, uint64_t length,
   }
 }
 
+static std::optional<lldb::offset_t>
+FindSubSectionOffsetByName(const DataExtractor &data, lldb::offset_t offset,
+                           uint32_t length, llvm::StringRef name) {
+  uint32_t section_length = 0;
+  llvm::StringRef section_name;
+  do {
+    offset += section_length;
+    // Sub-section's size and name are included in the total sub-section length.
+    // Don't shift the offset here, so it will point at the beginning of the
+    // sub-section and could be used as a return value.
+    auto tmp_offset = offset;
+    section_length = data.GetU32(&tmp_offset);
+    section_name = data.GetCStr(&tmp_offset);
+  } while (section_name != name && offset + section_length < length);
+  if (section_name == name)
+    return offset;
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DavidSpickett wrote:

blank line after this

https://github.com/llvm/llvm-project/pull/173046