--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/agent/src/share/classes/sun/jvm/hotspot/debugger/linux/LinuxCDebugger.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,130 @@
+/*
+ * Copyright 2003-2006 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.linux;
+
+import java.io.*;
+import java.util.*;
+import sun.jvm.hotspot.debugger.*;
+import sun.jvm.hotspot.debugger.cdbg.*;
+import sun.jvm.hotspot.debugger.x86.*;
+import sun.jvm.hotspot.debugger.amd64.*;
+import sun.jvm.hotspot.debugger.sparc.*;
+import sun.jvm.hotspot.debugger.linux.x86.*;
+import sun.jvm.hotspot.debugger.linux.amd64.*;
+import sun.jvm.hotspot.debugger.linux.sparc.*;
+import sun.jvm.hotspot.utilities.*;
+
+class LinuxCDebugger implements CDebugger {
+  private LinuxDebugger dbg;
+
+  LinuxCDebugger(LinuxDebugger dbg) {
+    this.dbg = dbg;
+  }
+
+  public List getThreadList() throws DebuggerException {
+    return dbg.getThreadList();
+  }
+
+  public List/*<LoadObject>*/ getLoadObjectList() throws DebuggerException {
+    return dbg.getLoadObjectList();
+  }
+
+  public LoadObject loadObjectContainingPC(Address pc) throws DebuggerException {
+    if (pc == null) {
+      return null;
+    }
+    List objs = getLoadObjectList();
+    Object[] arr = objs.toArray();
+    // load objects are sorted by base address, do binary search
+    int mid  = -1;
+    int low  = 0;
+    int high = arr.length - 1;
+
+    while (low <= high) {
+       mid = (low + high) >> 1;
+       LoadObject midVal = (LoadObject) arr[mid];
+       long cmp = pc.minus(midVal.getBase());
+       if (cmp < 0) {
+          high = mid - 1;
+       } else if (cmp > 0) {
+          long size = midVal.getSize();
+          if (cmp >= size) {
+             low = mid + 1;
+          } else {
+             return (LoadObject) arr[mid];
+          }
+       } else { // match found
+          return (LoadObject) arr[mid];
+       }
+    }
+    // no match found.
+    return null;
+  }
+
+  public CFrame topFrameForThread(ThreadProxy thread) throws DebuggerException {
+    String cpu = dbg.getCPU();
+    if (cpu.equals("x86")) {
+       X86ThreadContext context = (X86ThreadContext) thread.getContext();
+       Address ebp = context.getRegisterAsAddress(X86ThreadContext.EBP);
+       if (ebp == null) return null;
+       Address pc  = context.getRegisterAsAddress(X86ThreadContext.EIP);
+       if (pc == null) return null;
+       return new LinuxX86CFrame(dbg, ebp, pc);
+    } else if (cpu.equals("amd64")) {
+       AMD64ThreadContext context = (AMD64ThreadContext) thread.getContext();
+       Address rbp = context.getRegisterAsAddress(AMD64ThreadContext.RBP);
+       if (rbp == null) return null;
+       Address pc  = context.getRegisterAsAddress(AMD64ThreadContext.RIP);
+       if (pc == null) return null;
+       return new LinuxAMD64CFrame(dbg, rbp, pc);
+    } else if (cpu.equals("sparc")) {
+       SPARCThreadContext context = (SPARCThreadContext) thread.getContext();
+       Address sp = context.getRegisterAsAddress(SPARCThreadContext.R_SP);
+       if (sp == null) return null;
+       Address pc  = context.getRegisterAsAddress(SPARCThreadContext.R_O7);
+       if (pc == null) return null;
+       return new LinuxSPARCCFrame(dbg, sp, pc, LinuxDebuggerLocal.getAddressSize());
+    } else {
+       throw new DebuggerException(cpu + " is not yet supported");
+    }
+  }
+
+  public String getNameOfFile(String fileName) {
+    return new File(fileName).getName();
+  }
+
+  public ProcessControl getProcessControl() throws DebuggerException {
+    // FIXME: after stabs parser
+    return null;
+  }
+
+  public boolean canDemangle() {
+    return false;
+  }
+
+  public String demangle(String sym) {
+    throw new UnsupportedOperationException();
+  }
+}