src/jdk.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotVMConfig.java

*** 21,30 ****
--- 21,33 ----
   * questions.
   */
  package jdk.vm.ci.hotspot;
  
  import static jdk.vm.ci.hotspot.HotSpotJVMCIRuntime.runtime;
+ import static jdk.vm.ci.hotspot.UnsafeAccess.UNSAFE;
+ 
+ import jdk.internal.misc.Unsafe;
  
  /**
   * Used to access native configuration details.
   *
   * All non-static, public fields in this class are so that they can be compiled as constants.
*** 48,64 ****
       * Gets the host architecture name for the purpose of finding the corresponding
       * {@linkplain HotSpotJVMCIBackendFactory backend}.
       */
      String getHostArchitectureName() {
          String arch = System.getProperty("os.arch");
!         switch (arch) {
!             case "x86_64":
                  arch = "amd64";
!                 break;
!             case "sparcv9":
                  arch = "sparc";
-                 break;
          }
          return arch;
      }
  
      final boolean useDeferredInitBarriers = getFlag("ReduceInitialCardMarks", Boolean.class);
--- 51,64 ----
       * Gets the host architecture name for the purpose of finding the corresponding
       * {@linkplain HotSpotJVMCIBackendFactory backend}.
       */
      String getHostArchitectureName() {
          String arch = System.getProperty("os.arch");
!         if (arch.equals("x86_64")) {
              arch = "amd64";
!         } else if (arch.equals("sparcv9")) {
              arch = "sparc";
          }
          return arch;
      }
  
      final boolean useDeferredInitBarriers = getFlag("ReduceInitialCardMarks", Boolean.class);
*** 229,238 ****
--- 229,253 ----
  
      final long vmSymbolsSymbols = getFieldAddress("vmSymbols::_symbols[0]", "Symbol*");
      final int vmSymbolsFirstSID = getConstant("vmSymbols::FIRST_SID", Integer.class);
      final int vmSymbolsSIDLimit = getConstant("vmSymbols::SID_LIMIT", Integer.class);
  
+     /**
+      * Returns the symbol in the {@code vmSymbols} table at position {@code index} as a
+      * {@link String}.
+      *
+      * @param index position in the symbol table
+      * @return the symbol at position id
+      */
+     String symbolAt(int index) {
+         HotSpotJVMCIRuntimeProvider runtime = runtime();
+         assert vmSymbolsFirstSID <= index && index < vmSymbolsSIDLimit : "index " + index + " is out of bounds";
+         assert symbolPointerSize == Unsafe.ADDRESS_SIZE : "the following address read is broken";
+         int offset = index * symbolPointerSize;
+         return runtime.getCompilerToVM().getSymbol(UNSAFE.getAddress(vmSymbolsSymbols + offset));
+     }
+ 
      final int universeBaseVtableSize = getFieldValue("CompilerToVM::Data::Universe_base_vtable_size", Integer.class, "int");
  
      final int baseVtableLength() {
          return universeBaseVtableSize / vtableEntrySize;
      }