--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/agent/src/share/classes/sun/jvm/hotspot/debugger/sparc/SPARCThreadContext.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,134 @@
+/*
+ * Copyright 2000-2007 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+package sun.jvm.hotspot.debugger.sparc;
+
+import sun.jvm.hotspot.debugger.*;
+
+/** 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
+  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];
+  }
+
+  /** 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);
+}