[Lldb-commits] [PATCH] D110269: Fix LLDB build on old Linux kernels

[Caleb Zulawski via Phabricator via lldb-commits]

calebzulawski created this revision.
calebzulawski added a reviewer: wallace.
calebzulawski added a project: LLDB.
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Usage of aux_size is guarded against elsewhere in this file, but is missing 
here.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D110269

Files:
  lldb/source/Plugins/Process/Linux/IntelPTManager.cpp


Index: lldb/source/Plugins/Process/Linux/IntelPTManager.cpp
===================================================================
--- lldb/source/Plugins/Process/Linux/IntelPTManager.cpp
+++ lldb/source/Plugins/Process/Linux/IntelPTManager.cpp
@@ -145,7 +145,11 @@
 }
 
 size_t IntelPTThreadTrace::GetTraceBufferSize() const {
+#ifndef PERF_ATTR_SIZE_VER5
+  llvm_unreachable("Intel PT Linux perf event not supported");
+#else
   return m_mmap_meta->aux_size;
+#endif
 }
 
 static Expected<uint64_t>



Index: lldb/source/Plugins/Process/Linux/IntelPTManager.cpp
===================================================================
--- lldb/source/Plugins/Process/Linux/IntelPTManager.cpp
+++ lldb/source/Plugins/Process/Linux/IntelPTManager.cpp
@@ -145,7 +145,11 @@
 }
 
 size_t IntelPTThreadTrace::GetTraceBufferSize() const {
+#ifndef PERF_ATTR_SIZE_VER5
+  llvm_unreachable("Intel PT Linux perf event not supported");
+#else
   return m_mmap_meta->aux_size;
+#endif
 }
 
 static Expected<uint64_t>

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