agent/src/share/classes/sun/jvm/hotspot/debugger/windbg/WindbgDebuggerLocal.java
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*** 1,7 ****
/*
! * Copyright (c) 2002, 2008, 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.
--- 1,7 ----
/*
! * Copyright (c) 2002, 2010, 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.
*** 504,596 ****
throws UnmappedAddressException, DebuggerException {
// FIXME
throw new DebuggerException("Unimplemented");
}
- private static String DTFWHome;
private static String imagePath;
private static String symbolPath;
private static boolean useNativeLookup;
static {
/*
! * sawindbg.dll depends on dbgeng.dll which
! * itself depends on dbghelp.dll. dbgeng.dll and dbghelp.dll.
! * On systems newer than Windows 2000, these two .dlls are
! * in the standard system directory so we will find them there.
! * On Windows 2000 and earlier, these files do not exist.
! * The user must download Debugging Tools For Windows (DTFW)
! * and install it in order to use SA.
*
! * We have to make sure we use the two files from the same directory
! * in case there are more than one copy on the system because
! * one version of dbgeng.dll might not be compatible with a
! * different version of dbghelp.dll.
! * We first look for them in the directory pointed at by
! * env. var. DEBUGGINGTOOLSFORWINDOWS, next in the default
! * installation dir for DTFW, and lastly in the standard
! * system directory. We expect that that we will find
! * them in the standard system directory on all systems
! * newer than Windows 2000.
*/
- String dirName = null;
- DTFWHome = System.getenv("DEBUGGINGTOOLSFORWINDOWS");
! if (DTFWHome == null) {
! // See if we have the files in the default location.
String sysRoot = System.getenv("SYSTEMROOT");
! DTFWHome = sysRoot + File.separator +
! ".." + File.separator + "Program Files" +
! File.separator + "Debugging Tools For Windows";
}
! {
! String dbghelp = DTFWHome + File.separator + "dbghelp.dll";
! String dbgeng = DTFWHome + File.separator + "dbgeng.dll";
! File fhelp = new File(dbghelp);
! File feng = new File(dbgeng);
! if (fhelp.exists() && feng.exists()) {
! // found both, we are happy.
! // NOTE: The order of loads is important! If we load dbgeng.dll
! // first, then the dependency - dbghelp.dll - will be loaded
! // from usual DLL search thereby defeating the purpose!
! System.load(dbghelp);
! System.load(dbgeng);
! } else if (! fhelp.exists() && ! feng.exists()) {
! // neither exist. We will ignore this dir and assume
! // they are in the system dir.
! DTFWHome = null;
} else {
! // one exists but not the other
! //System.err.println("Error: Both files dbghelp.dll and dbgeng.dll "
! // "must exist in directory " + DTFWHome);
! throw new UnsatisfiedLinkError("Both files dbghelp.dll and " +
! "dbgeng.dll must exist in " +
! "directory " + DTFWHome);
}
}
- if (DTFWHome == null) {
- // The files better be in the system dir.
- String sysDir = System.getenv("SYSTEMROOT") +
- File.separator + "system32";
! File feng = new File(sysDir + File.separator + "dbgeng.dll");
! if (!feng.exists()) {
! throw new UnsatisfiedLinkError("File dbgeng.dll does not exist in " +
! sysDir + ". Please search microsoft.com " +
! "for Debugging Tools For Windows, and " +
! "either download it to the default " +
! "location, or download it to a custom " +
! "location and set environment variable " +
! " DEBUGGINGTOOLSFORWINDOWS " +
! "to the pathname of that location.");
}
}
// Now, load sawindbg.dll
! System.loadLibrary("sawindbg");
// where do I find '.exe', '.dll' files?
imagePath = System.getProperty("sun.jvm.hotspot.debugger.windbg.imagePath");
if (imagePath == null) {
imagePath = System.getenv("PATH");
}
--- 504,657 ----
throws UnmappedAddressException, DebuggerException {
// FIXME
throw new DebuggerException("Unimplemented");
}
private static String imagePath;
private static String symbolPath;
private static boolean useNativeLookup;
static {
/*
! * sawindbg.dll depends on dbgeng.dll which itself depends on
! * dbghelp.dll. We have to make sure that the dbgeng.dll and
! * dbghelp.dll that we load are compatible with each other. We
! * load both of those libraries from the same directory based
! * on the theory that co-located libraries are compatible.
*
! * On Windows 2000 and earlier, dbgeng.dll and dbghelp.dll were
! * not included as part of the standard system directory. On
! * systems newer than Windows 2000, dbgeng.dll and dbghelp.dll
! * are included in the standard system directory. However, the
! * versions included in the standard system directory may not
! * be able to handle symbol information for the newer compilers.
! *
! * We search for and explicitly load the libraries using the
! * following directory search order:
! *
! * - java.home/bin (same as $JAVA_HOME/jre/bin)
! * - dir named by DEBUGGINGTOOLSFORWINDOWS environment variable
! * - various "Debugging Tools For Windows" program directories
! * - the system directory ($SYSROOT/system32)
! *
! * If SA is invoked with -Dsun.jvm.hotspot.loadLibrary.DEBUG=1,
! * then debug messages about library loading are printed to
! * System.err.
*/
! String dbgengPath = null;
! String dbghelpPath = null;
! String sawindbgPath = null;
! List searchList = new ArrayList();
!
! boolean loadLibraryDEBUG =
! System.getProperty("sun.jvm.hotspot.loadLibrary.DEBUG") != null;
!
! {
! // First place to search is co-located with sawindbg.dll in
! // $JAVA_HOME/jre/bin (java.home property is set to $JAVA_HOME/jre):
! searchList.add(System.getProperty("java.home") + File.separator + "bin");
! sawindbgPath = (String) searchList.get(0) + File.separator +
! "sawindbg.dll";
!
! // second place to search is specified by an environment variable:
! String DTFWHome = System.getenv("DEBUGGINGTOOLSFORWINDOWS");
! if (DTFWHome != null) {
! searchList.add(DTFWHome);
! }
!
! // The third place to search is the install directory for the
! // "Debugging Tools For Windows" package; so far there are three
! // name variations that we know of:
String sysRoot = System.getenv("SYSTEMROOT");
! DTFWHome = sysRoot + File.separator + ".." + File.separator +
! "Program Files" + File.separator + "Debugging Tools For Windows";
! searchList.add(DTFWHome);
! searchList.add(DTFWHome + " (x86)");
! searchList.add(DTFWHome + " (x64)");
!
! // The last place to search is the system directory:
! searchList.add(sysRoot + File.separator + "system32");
}
! for (int i = 0; i < searchList.size(); i++) {
! File dir = new File((String) searchList.get(i));
! if (!dir.exists()) {
! if (loadLibraryDEBUG) {
! System.err.println("DEBUG: '" + searchList.get(i) +
! "': directory does not exist.");
! }
! // this search directory doesn't exist so skip it
! continue;
! }
!
! dbgengPath = (String) searchList.get(i) + File.separator + "dbgeng.dll";
! dbghelpPath = (String) searchList.get(i) + File.separator + "dbghelp.dll";
!
! File feng = new File(dbgengPath);
! File fhelp = new File(dbghelpPath);
! if (feng.exists() && fhelp.exists()) {
! // both files exist so we have a match
! break;
! }
!
! // At least one of the files does not exist; no warning if both
! // don't exist. If just one doesn't exist then we don't check
! // loadLibraryDEBUG because we have a mis-configured system.
! if (feng.exists()) {
! System.err.println("WARNING: found '" + dbgengPath +
! "' but did not find '" + dbghelpPath + "'; ignoring '" +
! dbgengPath + "'.");
! } else if (fhelp.exists()) {
! System.err.println("WARNING: found '" + dbghelpPath +
! "' but did not find '" + dbgengPath + "'; ignoring '" +
! dbghelpPath + "'.");
! } else if (loadLibraryDEBUG) {
! System.err.println("DEBUG: searched '" + searchList.get(i) +
! "': dbgeng.dll and dbghelp.dll were not found.");
! }
! dbgengPath = null;
! dbghelpPath = null;
! }
!
! if (dbgengPath == null || dbghelpPath == null) {
! // at least one of the files wasn't found anywhere we searched
! String mesg = null;
!
! if (dbgengPath == null && dbghelpPath == null) {
! mesg = "dbgeng.dll and dbghelp.dll cannot be found. ";
! } else if (dbgengPath == null) {
! mesg = "dbgeng.dll cannot be found (dbghelp.dll was found). ";
} else {
! mesg = "dbghelp.dll cannot be found (dbgeng.dll was found). ";
}
+ throw new UnsatisfiedLinkError(mesg +
+ "Please search microsoft.com for 'Debugging Tools For Windows', " +
+ "and either download it to the default location, or download it " +
+ "to a custom location and set environment variable " +
+ "'DEBUGGINGTOOLSFORWINDOWS' to the pathname of that location.");
}
! // NOTE: The order of loads is important! If we load dbgeng.dll
! // first, then the dependency - dbghelp.dll - will be loaded
! // from usual DLL search thereby defeating the purpose!
! if (loadLibraryDEBUG) {
! System.err.println("DEBUG: loading '" + dbghelpPath + "'.");
}
+ System.load(dbghelpPath);
+ if (loadLibraryDEBUG) {
+ System.err.println("DEBUG: loading '" + dbgengPath + "'.");
}
+ System.load(dbgengPath);
// Now, load sawindbg.dll
! if (loadLibraryDEBUG) {
! System.err.println("DEBUG: loading '" + sawindbgPath + "'.");
! }
! System.load(sawindbgPath);
!
// where do I find '.exe', '.dll' files?
imagePath = System.getProperty("sun.jvm.hotspot.debugger.windbg.imagePath");
if (imagePath == null) {
imagePath = System.getenv("PATH");
}