87 lines
3.1 KiB
C++
87 lines
3.1 KiB
C++
/*
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* Copyright 1999-2006 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*
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*/
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# include "incls/_precompiled.incl"
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# include "incls/_hpi_linux.cpp.incl"
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# include <sys/param.h>
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# include <dlfcn.h>
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typedef jint (JNICALL *init_t)(GetInterfaceFunc *, void *);
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void hpi::initialize_get_interface(vm_calls_t *callbacks) {
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char buf[JVM_MAXPATHLEN];
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void *hpi_handle;
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GetInterfaceFunc& getintf = _get_interface;
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jint (JNICALL * DLL_Initialize)(GetInterfaceFunc *, void *);
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if (HPILibPath && HPILibPath[0]) {
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strncpy(buf, HPILibPath, JVM_MAXPATHLEN - 1);
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buf[JVM_MAXPATHLEN - 1] = '\0';
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} else {
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const char *thread_type = "native_threads";
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os::jvm_path(buf, JVM_MAXPATHLEN);
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#ifdef PRODUCT
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const char * hpi_lib = "/libhpi.so";
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#else
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char * ptr = strrchr(buf, '/');
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assert(strstr(ptr, "/libjvm") == ptr, "invalid library name");
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const char * hpi_lib = strstr(ptr, "_g") ? "/libhpi_g.so" : "/libhpi.so";
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#endif
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*(strrchr(buf, '/')) = '\0'; /* get rid of /libjvm.so */
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char* p = strrchr(buf, '/');
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if (p != NULL) p[1] = '\0'; /* get rid of hotspot */
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strcat(buf, thread_type);
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strcat(buf, hpi_lib);
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}
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if (TraceHPI) tty->print_cr("Loading HPI %s ", buf);
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#ifdef SPARC
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// On 64-bit Ubuntu Sparc RTLD_NOW leads to unresolved deps in libpthread.so
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# define OPEN_MODE RTLD_LAZY
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#else
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// We use RTLD_NOW because of bug 4032715
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# define OPEN_MODE RTLD_NOW
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#endif
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hpi_handle = dlopen(buf, OPEN_MODE);
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#undef OPEN_MODE
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if (hpi_handle == NULL) {
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if (TraceHPI) tty->print_cr("HPI dlopen failed: %s", dlerror());
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return;
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}
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DLL_Initialize = CAST_TO_FN_PTR(jint (JNICALL *)(GetInterfaceFunc *, void *),
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dlsym(hpi_handle, "DLL_Initialize"));
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if (TraceHPI && DLL_Initialize == NULL) tty->print_cr("HPI dlsym of DLL_Initialize failed: %s", dlerror());
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if (DLL_Initialize == NULL ||
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(*DLL_Initialize)(&getintf, callbacks) < 0) {
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if (TraceHPI) tty->print_cr("HPI DLL_Initialize failed");
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return;
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}
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if (TraceHPI) tty->print_cr("HPI loaded successfully");
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}
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