Mercurial > hg > truffle
diff src/os/linux/vm/hpi_linux.cpp @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/os/linux/vm/hpi_linux.cpp Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,86 @@ +/* + * 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"); +}