[llvm] [DirectX] adding support to read/write descriptor table data using obj2yaml/yaml2obj (PR #138315)

[Finn Plummer via llvm-commits]

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@@ -86,8 +86,21 @@ ROOT_DESCRIPTOR_FLAG(3, DATA_STATIC)
 #endif // ROOT_DESCRIPTOR_FLAG
 
 
+// DESCRIPTOR_RANGE_FLAG(bit offset for the flag, name).
+#ifdef DESCRIPTOR_RANGE_FLAG
+
+DESCRIPTOR_RANGE_FLAG(0, NONE)
+DESCRIPTOR_RANGE_FLAG(1, DESCRIPTORS_VOLATILE)
+DESCRIPTOR_RANGE_FLAG(2, DATA_VOLATILE)
+DESCRIPTOR_RANGE_FLAG(3, DATA_STATIC_WHILE_SET_AT_EXECUTE)
+DESCRIPTOR_RANGE_FLAG(4, DATA_STATIC)
+DESCRIPTOR_RANGE_FLAG(16, DESCRIPTORS_STATIC_KEEPING_BUFFER_BOUNDS_CHECKS)
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inbelic wrote:

As noted here: https://github.com/llvm/llvm-project/pull/143041#pullrequestreview-2906011689.

Maybe reusing the values will address this as well?

https://github.com/llvm/llvm-project/pull/138315