1 /*

     2  * Copyright 2007 Sun Microsystems, Inc. All rights reserved.

     3  * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.

     4  */

     5 

     6 #include <dlfcn.h>

     7 #include <stdlib.h>

     8 

     9 #include <jvm.h>

    10 

    11 #include "jvm_symbols.h"

    12 

    13 JvmSymbols* lookupJvmSymbols() {

    14     JvmSymbols* syms = (JvmSymbols*)malloc(sizeof(JvmSymbols));

    15     if (syms != NULL) {

    16         syms->GetVersion = (GetVersion_t)

    17             dlsym(RTLD_DEFAULT, "JVM_DTraceGetVersion");

    18         syms->IsSupported = (IsSupported_t)

    19             dlsym(RTLD_DEFAULT, "JVM_DTraceIsSupported");

    20         syms->Activate = (Activate_t)

    21             dlsym(RTLD_DEFAULT, "JVM_DTraceActivate");

    22         syms->Dispose = (Dispose_t)

    23             dlsym(RTLD_DEFAULT, "JVM_DTraceDispose");

    24         syms->IsProbeEnabled = (IsProbeEnabled_t)

    25             dlsym(RTLD_DEFAULT, "JVM_DTraceIsProbeEnabled");

    26 

    27         if ( syms->GetVersion == NULL || syms->Activate == NULL ||

    28              syms->IsProbeEnabled == NULL || syms->Dispose == NULL ||

    29              syms->IsSupported == NULL) {

    30             free(syms);

    31             syms = NULL;

    32         }

    33     }

    34     return syms;

    35 }