1 /*

     2  * Copyright 1998-2005 Sun Microsystems, Inc.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Sun designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Sun in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    22  * CA 95054 USA or visit www.sun.com if you need additional information or

    23  * have any questions.

    24  */

    25 

    26 #include "util.h"

    27 #include "transport.h"

    28 #include "debugDispatch.h"

    29 #include "VirtualMachineImpl.h"

    30 #include "ReferenceTypeImpl.h"

    31 #include "ClassTypeImpl.h"

    32 #include "ArrayTypeImpl.h"

    33 #include "FieldImpl.h"

    34 #include "MethodImpl.h"

    35 #include "ObjectReferenceImpl.h"

    36 #include "StringReferenceImpl.h"

    37 #include "ThreadReferenceImpl.h"

    38 #include "ThreadGroupReferenceImpl.h"

    39 #include "ClassLoaderReferenceImpl.h"

    40 #include "ClassObjectReferenceImpl.h"

    41 #include "ArrayReferenceImpl.h"

    42 #include "EventRequestImpl.h"

    43 #include "StackFrameImpl.h"

    44 #include "typedefs.h"

    45 

    46 static void **l1Array;

    47 

    48 void

    49 debugDispatch_initialize(void)

    50 {

    51     /*

    52      * Create the level-one (CommandSet) dispatch table.

    53      * Zero the table so that unknown CommandSets do not

    54      * cause random errors.

    55      */

    56     l1Array = jvmtiAllocate((JDWP_HIGHEST_COMMAND_SET+1) * sizeof(void *));

    57 

    58     if (l1Array == NULL) {

    59         EXIT_ERROR(AGENT_ERROR_OUT_OF_MEMORY,"command set array");

    60     }

    61 

    62     (void)memset(l1Array, 0, (JDWP_HIGHEST_COMMAND_SET+1) * sizeof(void *));

    63 

    64     /*

    65      * Create the level-two (Command) dispatch tables to the

    66      * corresponding slots in the CommandSet dispatch table..

    67      */

    68     l1Array[JDWP_COMMAND_SET(VirtualMachine)] = (void *)VirtualMachine_Cmds;

    69     l1Array[JDWP_COMMAND_SET(ReferenceType)] = (void *)ReferenceType_Cmds;

    70     l1Array[JDWP_COMMAND_SET(ClassType)] = (void *)ClassType_Cmds;

    71     l1Array[JDWP_COMMAND_SET(ArrayType)] = (void *)ArrayType_Cmds;

    72 

    73     l1Array[JDWP_COMMAND_SET(Field)] = (void *)Field_Cmds;

    74     l1Array[JDWP_COMMAND_SET(Method)] = (void *)Method_Cmds;

    75     l1Array[JDWP_COMMAND_SET(ObjectReference)] = (void *)ObjectReference_Cmds;

    76     l1Array[JDWP_COMMAND_SET(StringReference)] = (void *)StringReference_Cmds;

    77     l1Array[JDWP_COMMAND_SET(ThreadReference)] = (void *)ThreadReference_Cmds;

    78     l1Array[JDWP_COMMAND_SET(ThreadGroupReference)] = (void *)ThreadGroupReference_Cmds;

    79     l1Array[JDWP_COMMAND_SET(ClassLoaderReference)] = (void *)ClassLoaderReference_Cmds;

    80     l1Array[JDWP_COMMAND_SET(ArrayReference)] = (void *)ArrayReference_Cmds;

    81     l1Array[JDWP_COMMAND_SET(EventRequest)] = (void *)EventRequest_Cmds;

    82     l1Array[JDWP_COMMAND_SET(StackFrame)] = (void *)StackFrame_Cmds;

    83     l1Array[JDWP_COMMAND_SET(ClassObjectReference)] = (void *)ClassObjectReference_Cmds;

    84 }

    85 

    86 void

    87 debugDispatch_reset(void)

    88 {

    89 }

    90 

    91 CommandHandler

    92 debugDispatch_getHandler(int cmdSet, int cmd)

    93 {

    94     void **l2Array;

    95 

    96     if (cmdSet > JDWP_HIGHEST_COMMAND_SET) {

    97         return NULL;

    98     }

    99 

   100     l2Array = (void **)l1Array[cmdSet];

   101 

   102     /*

   103      * If there is no such CommandSet or the Command

   104      * is greater than the nummber of commands (the first

   105      * element) in the CommandSet, indicate this is invalid.

   106      */

   107     /*LINTED*/

   108     if (l2Array == NULL || cmd > (int)(intptr_t)(void*)l2Array[0]) {

   109         return NULL;

   110     }

   111 

   112     return (CommandHandler)l2Array[cmd];

   113 }