[Lldb-commits] [lldb] [debugserver] Fix debugserver build on < macOS 10.15 (PR #166599)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-lldb

Author: Jonas Devlieghere (JDevlieghere)

<details>
<summary>Changes</summary>

The VM_MEMORY_SANITIZER constant was added in macOs 10.15 and friends. Support using the constant on older OSes.

Fixes #<!-- -->156144

---
Full diff: https://github.com/llvm/llvm-project/pull/166599.diff


1 Files Affected:

- (modified) lldb/tools/debugserver/source/MacOSX/MachVMRegion.cpp (+5) 


``````````diff
diff --git a/lldb/tools/debugserver/source/MacOSX/MachVMRegion.cpp b/lldb/tools/debugserver/source/MacOSX/MachVMRegion.cpp
index 9d0d60fdaaed9..34c5c9a025e5b 100644
--- a/lldb/tools/debugserver/source/MacOSX/MachVMRegion.cpp
+++ b/lldb/tools/debugserver/source/MacOSX/MachVMRegion.cpp
@@ -15,6 +15,11 @@
 #include <cassert>
 #include <mach/mach_vm.h>
 
+// From <mach/vm_statistics.h>, but not on older OSs.
+#ifndef VM_MEMORY_SANITIZER
+#define VM_MEMORY_SANITIZER 99
+#endif
+
 MachVMRegion::MachVMRegion(task_t task)
     : m_task(task), m_addr(INVALID_NUB_ADDRESS), m_err(),
       m_start(INVALID_NUB_ADDRESS), m_size(0), m_depth(-1),

``````````

</details>


https://github.com/llvm/llvm-project/pull/166599