Merge pull request #21557 from dsouzai/verboseInliningAOT

Add Verbose Inlining output for AOT Loads

Author: jdmpapin

runtime/compiler/runtime/RelocationRuntime.cpp

@@ -537,6 +537,15 @@ void TR_RelocationRuntime::relocationFailureCleanup()
       }
    }
 
+static int32_t strHash(const char *str)
+   {
+   // The string hash from Java
+   int32_t result = 0;
+   for (const unsigned char *s = reinterpret_cast<const unsigned char*>(str); *s; s++)
+      result = result * 33 + *s;
+   return result;
+   }
+
 // Function called for AOT method from both JXE and Shared Classes to perform relocations
 //
 void
@@ -703,6 +712,37 @@ TR_RelocationRuntime::relocateAOTCodeAndData(U_8 *tempDataStart,
             }
          }
 
+      if (_exceptionTable->inlinedCalls)
+         {
+         if (comp()->getOptions()->getVerboseOption(TR_VerboseInlining))
+            {
+            U_32 numInlinedCallSites = getNumInlinedCallSites(_exceptionTable);
+            int32_t jittedBodyHash = strHash(comp()->signature());
+            char callerBuf[501], calleeBuf[501];
+            TR_VerboseLog::CriticalSection vlogLock;
+            TR_VerboseLog::writeLine(TR_Vlog_INL, "%d methods inlined into %x %s @ %p", numInlinedCallSites, jittedBodyHash, comp()->signature(), _exceptionTable->startPC);
+            for (auto siteIndex = 0; siteIndex < numInlinedCallSites; siteIndex++)
+               {
+               TR_InlinedCallSite *site = (TR_InlinedCallSite *)getInlinedCallSiteArrayElement(_exceptionTable, siteIndex);
+               int32_t calleeLen = fej9()->printTruncatedSignature(calleeBuf, sizeof(calleeBuf)-1, site->_methodInfo);
+               calleeBuf[calleeLen] = 0; // null terminate
+               const char *callerSig = comp()->signature();
+               int16_t callerIndex = site->_byteCodeInfo.getCallerIndex();
+               if (callerIndex != -1)
+                  {
+                  TR_InlinedCallSite *callerCallsite = (TR_InlinedCallSite *)getInlinedCallSiteArrayElement(_exceptionTable, callerIndex);
+                  int32_t callerLen = fej9()->printTruncatedSignature(callerBuf, sizeof(callerBuf)-1, callerCallsite->_methodInfo);
+                  callerBuf[callerLen] = 0; // null terminate
+                  callerSig = callerBuf;
+                  }
+               TR_VerboseLog::writeLine(TR_Vlog_INL, "#%d: %x #%d inlined %x@%d -> %x bcsz=%d %s",
+                  siteIndex, jittedBodyHash, callerIndex,
+                  strHash(callerSig), site->_byteCodeInfo.getByteCodeIndex(),
+                  strHash(calleeBuf), TR::Compiler->mtd.bytecodeSize(site->_methodInfo), calleeBuf);
+               }
+            }
+         }
+
       // Fix RAM method and send target AFTER all relocations are complete.
       startPC = _exceptionTable->startPC;
       } //end if J9_JIT_DCE_EXCEPTION_INFO