| /* |
| * Copyright 1999-2006 Sun Microsystems, Inc. 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. |
| * |
| * 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. |
| * |
| * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| * |
| */ |
| |
| # include "incls/_precompiled.incl" |
| # include "incls/_hpi_linux.cpp.incl" |
| |
| # include <sys/param.h> |
| # include <dlfcn.h> |
| |
| typedef jint (JNICALL *init_t)(GetInterfaceFunc *, void *); |
| |
| void hpi::initialize_get_interface(vm_calls_t *callbacks) { |
| char buf[JVM_MAXPATHLEN]; |
| void *hpi_handle; |
| GetInterfaceFunc& getintf = _get_interface; |
| jint (JNICALL * DLL_Initialize)(GetInterfaceFunc *, void *); |
| |
| if (HPILibPath && HPILibPath[0]) { |
| strncpy(buf, HPILibPath, JVM_MAXPATHLEN - 1); |
| buf[JVM_MAXPATHLEN - 1] = '\0'; |
| } else { |
| const char *thread_type = "native_threads"; |
| |
| os::jvm_path(buf, JVM_MAXPATHLEN); |
| |
| #ifdef PRODUCT |
| const char * hpi_lib = "/libhpi.so"; |
| #else |
| char * ptr = strrchr(buf, '/'); |
| assert(strstr(ptr, "/libjvm") == ptr, "invalid library name"); |
| const char * hpi_lib = strstr(ptr, "_g") ? "/libhpi_g.so" : "/libhpi.so"; |
| #endif |
| |
| *(strrchr(buf, '/')) = '\0'; /* get rid of /libjvm.so */ |
| char* p = strrchr(buf, '/'); |
| if (p != NULL) p[1] = '\0'; /* get rid of hotspot */ |
| strcat(buf, thread_type); |
| strcat(buf, hpi_lib); |
| } |
| |
| if (TraceHPI) tty->print_cr("Loading HPI %s ", buf); |
| #ifdef SPARC |
| // On 64-bit Ubuntu Sparc RTLD_NOW leads to unresolved deps in libpthread.so |
| # define OPEN_MODE RTLD_LAZY |
| #else |
| // We use RTLD_NOW because of bug 4032715 |
| # define OPEN_MODE RTLD_NOW |
| #endif |
| hpi_handle = dlopen(buf, OPEN_MODE); |
| #undef OPEN_MODE |
| |
| if (hpi_handle == NULL) { |
| if (TraceHPI) tty->print_cr("HPI dlopen failed: %s", dlerror()); |
| return; |
| } |
| DLL_Initialize = CAST_TO_FN_PTR(jint (JNICALL *)(GetInterfaceFunc *, void *), |
| dlsym(hpi_handle, "DLL_Initialize")); |
| if (TraceHPI && DLL_Initialize == NULL) tty->print_cr("HPI dlsym of DLL_Initialize failed: %s", dlerror()); |
| if (DLL_Initialize == NULL || |
| (*DLL_Initialize)(&getintf, callbacks) < 0) { |
| if (TraceHPI) tty->print_cr("HPI DLL_Initialize failed"); |
| return; |
| } |
| if (TraceHPI) tty->print_cr("HPI loaded successfully"); |
| } |