--- old/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/debugger/sparc/SPARCThreadContext.java	2020-05-20 18:11:09.738933031 -0700
+++ /dev/null	2020-03-09 18:57:19.455001459 -0700
@@ -1,145 +0,0 @@
-/*
- * Copyright (c) 2000, 2015, 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.sparc;
-
-import java.lang.annotation.Native;
-
-import sun.jvm.hotspot.debugger.*;
-import sun.jvm.hotspot.debugger.cdbg.*;
-
-/** Currently provides just the minimal information necessary to get
-    stack traces working. FIXME: currently hardwired for v9 -- will
-    have to factor out v8/v9 specific code. FIXME: may want to try to
-    share code between this class and asm/sparc. */
-
-public abstract class SPARCThreadContext implements ThreadContext {
-  // Taken from /usr/include/sys/procfs_isa.h
-
-  // One instance of the Native annotation is enough to trigger header generation
-  // for this file.
-  @Native
-  public static final int R_G0 = 0;
-  public static final int R_G1 = 1;
-  public static final int R_G2 = 2;
-  public static final int R_G3 = 3;
-  public static final int R_G4 = 4;
-  public static final int R_G5 = 5;
-  public static final int R_G6 = 6;
-  public static final int R_G7 = 7;
-  public static final int R_O0 = 8;
-  public static final int R_O1 = 9;
-  public static final int R_O2 = 10;
-  public static final int R_O3 = 11;
-  public static final int R_O4 = 12;
-  public static final int R_O5 = 13;
-  public static final int R_O6 = 14;
-  public static final int R_O7 = 15;
-  public static final int R_L0 = 16;
-  public static final int R_L1 = 17;
-  public static final int R_L2 = 18;
-  public static final int R_L3 = 19;
-  public static final int R_L4 = 20;
-  public static final int R_L5 = 21;
-  public static final int R_L6 = 22;
-  public static final int R_L7 = 23;
-  public static final int R_I0 = 24;
-  public static final int R_I1 = 25;
-  public static final int R_I2 = 26;
-  public static final int R_I3 = 27;
-  public static final int R_I4 = 28;
-  public static final int R_I5 = 29;
-  public static final int R_I6 = 30;
-  public static final int R_I7 = 31;
-
-  // sparc-v9
-  public static final int R_CCR = 32;
-  // sparc-v8
-  public static final int R_PSR = 32;
-
-  public static final int R_PC = 33;
-  public static final int R_nPC = 34;
-
-  public static final int R_SP = R_O6;
-  public static final int R_FP = R_I6;
-
-  public static final int R_Y  = 35;
-
-  // sparc-v9
-  public static final int R_ASI = 36;
-  public static final int R_FPRS = 37;
-
-  // sparc-v8
-  public static final int R_WIM = 36;
-  public static final int R_TBR = 37;
-
-  public static final int NPRGREG = 38;
-
-  private static final String[] regNames = {
-    "G0",    "G1",    "G2",    "G3",
-    "G4",    "G5",    "G6",    "G7",
-    "O0",    "O1",    "O2",    "O3",
-    "O4",    "O5",    "O6/SP", "O7",
-    "L0",    "L1",    "L2",    "L3",
-    "L4",    "L5",    "L6",    "L7",
-    "I0",    "I1",    "I2",    "I3",
-    "I4",    "I5",    "I6/FP", "I7",
-    "CCR/PSR", "PC",  "nPC",   "Y",
-    "ASI/WIM", "FPRS/TBR"
-  };
-
-  private long[] data;
-
-  public SPARCThreadContext() {
-    data = new long[NPRGREG];
-  }
-
-  public int getNumRegisters() {
-    return NPRGREG;
-  }
-
-  public String getRegisterName(int index) {
-    return regNames[index];
-  }
-
-  public void setRegister(int index, long value) {
-    data[index] = value;
-  }
-
-  public long getRegister(int index) {
-    return data[index];
-  }
-
-  public CFrame getTopFrame(Debugger dbg) {
-    return null;
-  }
-
-  /** This can't be implemented in this class since we would have to
-      tie the implementation to, for example, the debugging system */
-  public abstract void setRegisterAsAddress(int index, Address value);
-
-  /** This can't be implemented in this class since we would have to
-      tie the implementation to, for example, the debugging system */
-  public abstract Address getRegisterAsAddress(int index);
-}