[clang] [compiler-rt] [XRay] Add support for instrumentation of DSOs on x86_64 (PR #90959)

[Brian Cain via cfe-commits]

================
@@ -471,42 +518,123 @@ uint16_t __xray_register_event_type(
 }
 
 XRayPatchingStatus __xray_patch() XRAY_NEVER_INSTRUMENT {
-  return controlPatching(true);
+  XRayPatchingStatus CombinedStatus{SUCCESS};
----------------
androm3da wrote:

If none of the objects are loaded, `__xray_patch()` will return `SUCCESS`.  
That's the expected result?

(same for unpatch below)

https://github.com/llvm/llvm-project/pull/90959
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