Mercurial > hg > truffle
comparison 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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-1:000000000000 | 0:a61af66fc99e |
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1 /* | |
2 * Copyright 1999-2006 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. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 * | |
23 */ | |
24 | |
25 # include "incls/_precompiled.incl" | |
26 # include "incls/_hpi_linux.cpp.incl" | |
27 | |
28 # include <sys/param.h> | |
29 # include <dlfcn.h> | |
30 | |
31 typedef jint (JNICALL *init_t)(GetInterfaceFunc *, void *); | |
32 | |
33 void hpi::initialize_get_interface(vm_calls_t *callbacks) { | |
34 char buf[JVM_MAXPATHLEN]; | |
35 void *hpi_handle; | |
36 GetInterfaceFunc& getintf = _get_interface; | |
37 jint (JNICALL * DLL_Initialize)(GetInterfaceFunc *, void *); | |
38 | |
39 if (HPILibPath && HPILibPath[0]) { | |
40 strncpy(buf, HPILibPath, JVM_MAXPATHLEN - 1); | |
41 buf[JVM_MAXPATHLEN - 1] = '\0'; | |
42 } else { | |
43 const char *thread_type = "native_threads"; | |
44 | |
45 os::jvm_path(buf, JVM_MAXPATHLEN); | |
46 | |
47 #ifdef PRODUCT | |
48 const char * hpi_lib = "/libhpi.so"; | |
49 #else | |
50 char * ptr = strrchr(buf, '/'); | |
51 assert(strstr(ptr, "/libjvm") == ptr, "invalid library name"); | |
52 const char * hpi_lib = strstr(ptr, "_g") ? "/libhpi_g.so" : "/libhpi.so"; | |
53 #endif | |
54 | |
55 *(strrchr(buf, '/')) = '\0'; /* get rid of /libjvm.so */ | |
56 char* p = strrchr(buf, '/'); | |
57 if (p != NULL) p[1] = '\0'; /* get rid of hotspot */ | |
58 strcat(buf, thread_type); | |
59 strcat(buf, hpi_lib); | |
60 } | |
61 | |
62 if (TraceHPI) tty->print_cr("Loading HPI %s ", buf); | |
63 #ifdef SPARC | |
64 // On 64-bit Ubuntu Sparc RTLD_NOW leads to unresolved deps in libpthread.so | |
65 # define OPEN_MODE RTLD_LAZY | |
66 #else | |
67 // We use RTLD_NOW because of bug 4032715 | |
68 # define OPEN_MODE RTLD_NOW | |
69 #endif | |
70 hpi_handle = dlopen(buf, OPEN_MODE); | |
71 #undef OPEN_MODE | |
72 | |
73 if (hpi_handle == NULL) { | |
74 if (TraceHPI) tty->print_cr("HPI dlopen failed: %s", dlerror()); | |
75 return; | |
76 } | |
77 DLL_Initialize = CAST_TO_FN_PTR(jint (JNICALL *)(GetInterfaceFunc *, void *), | |
78 dlsym(hpi_handle, "DLL_Initialize")); | |
79 if (TraceHPI && DLL_Initialize == NULL) tty->print_cr("HPI dlsym of DLL_Initialize failed: %s", dlerror()); | |
80 if (DLL_Initialize == NULL || | |
81 (*DLL_Initialize)(&getintf, callbacks) < 0) { | |
82 if (TraceHPI) tty->print_cr("HPI DLL_Initialize failed"); | |
83 return; | |
84 } | |
85 if (TraceHPI) tty->print_cr("HPI loaded successfully"); | |
86 } |