--- old/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/debugger/linux/sparc/LinuxSPARCCFrame.java	2020-05-20 18:11:03.226808006 -0700
+++ /dev/null	2020-03-09 18:57:19.455001459 -0700
@@ -1,81 +0,0 @@
-/*
- * Copyright (c) 2006, 2012, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-package sun.jvm.hotspot.debugger.linux.sparc;
-
-import sun.jvm.hotspot.debugger.*;
-import sun.jvm.hotspot.debugger.sparc.*;
-import sun.jvm.hotspot.debugger.linux.*;
-import sun.jvm.hotspot.debugger.cdbg.*;
-import sun.jvm.hotspot.debugger.cdbg.basic.*;
-
-final public class LinuxSPARCCFrame extends BasicCFrame {
-   // package/class internals only
-
-   public LinuxSPARCCFrame(LinuxDebugger dbg, Address sp, Address pc, int address_size) {
-      super(dbg.getCDebugger());
-      this.sp = sp;
-      this.pc = pc;
-      this.dbg = dbg;
-      this.address_size=address_size;
-      if (address_size==8) SPARC_STACK_BIAS = 0x7ff;
-      else SPARC_STACK_BIAS = 0x0;
-   }
-
-   // override base class impl to avoid ELF parsing
-   public ClosestSymbol closestSymbolToPC() {
-      // try native lookup in debugger.
-      return dbg.lookup(dbg.getAddressValue(pc()));
-   }
-
-   public Address pc() {
-      return     pc;
-   }
-
-   public Address localVariableBase() {
-      return sp;
-   }
-
-   public CFrame sender(ThreadProxy thread) {
-      if (sp == null) {
-        return null;
-      }
-
-      Address nextSP = sp.getAddressAt( SPARCThreadContext.R_SP * address_size + SPARC_STACK_BIAS);
-      if (nextSP == null) {
-        return null;
-      }
-      Address nextPC  = sp.getAddressAt(SPARCThreadContext.R_O7 * address_size + SPARC_STACK_BIAS);
-      if (nextPC == null) {
-        return null;
-      }
-      return new LinuxSPARCCFrame(dbg, nextSP, nextPC,address_size);
-   }
-
-   public static int SPARC_STACK_BIAS;
-   private static int address_size;
-   private Address pc;
-   private Address sp;
-   private LinuxDebugger dbg;
-}