[llvm] [GSYM] Callsites: Add data format support and loading from YAML (PR #109781)

[via llvm-commits]

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@@ -420,6 +424,47 @@ void GsymReader::dump(raw_ostream &OS, const MergedFunctionsInfo &MFI) {
   }
 }
 
+void GsymReader::dump(raw_ostream &OS, const CallSiteInfo &CSI) {
+  OS << HEX64(CSI.ReturnAddress);
+
+  std::string Flags;
+  auto addFlag = [&](const char *Flag) {
+    if (!Flags.empty())
+      Flags += " | ";
+    Flags += Flag;
+  };
+
+  if (CSI.Flags == CallSiteInfo::Flags::None)
+    Flags = "None";
+  else {
+    if (CSI.Flags & CallSiteInfo::Flags::InternalCall)
+      addFlag("InternalCall");
+
+    if (CSI.Flags & CallSiteInfo::Flags::ExternalCall)
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alx32 wrote:

It shouldn't be since that is a logical contradiction, but we don't do logical logical validation for the YAML data for now. 

https://github.com/llvm/llvm-project/pull/109781