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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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*
* 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.
*
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package sun.jvm.hotspot.debugger.windbg;
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.windows.x86.*;
import sun.jvm.hotspot.debugger.windows.amd64.*;
import sun.jvm.hotspot.utilities.AddressOps;
class WindbgCDebugger implements CDebugger {
// FIXME: think about how to make this work in a remote debugging
// scenario; who should keep open DLLs? Need local copies of these
// DLLs on the debugging machine?
private WindbgDebugger dbg;
WindbgCDebugger(WindbgDebugger 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 {
// FIXME: could keep sorted list of these to be able to do binary
// searches, for better scalability
if (pc == null) {
return null;
}
List objs = getLoadObjectList();
for (Iterator iter = objs.iterator(); iter.hasNext(); ) {
LoadObject obj = (LoadObject) iter.next();
if (AddressOps.lte(obj.getBase(), pc) && (pc.minus(obj.getBase()) < obj.getSize())) {
return obj;
}
}
return null;
}
public CFrame topFrameForThread(ThreadProxy thread) throws DebuggerException {
if (dbg.getCPU().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 WindowsX86CFrame(dbg, ebp, pc);
} else if (dbg.getCPU().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 WindowsAMD64CFrame(dbg, rbp, pc);
} else {
// unsupported CPU!
return null;
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