1 /* src/native/vm/openjdk/hpi.c - HotSpot HPI interface functions
4 CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
6 This file is part of CACAO.
8 This program is free software; you can redistribute it and/or
9 modify it under the terms of the GNU General Public License as
10 published by the Free Software Foundation; either version 2, or (at
11 your option) any later version.
13 This program is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
28 /* We include hpi_md.h before hpi.h as the latter includes the
31 #include INCLUDE_HPI_MD_H
32 #include INCLUDE_HPI_H
34 #include "mm/memory.h"
36 #include "native/jni.h"
37 #include "native/native.h"
39 #include "vm/properties.h"
42 #include "vmcore/options.h"
43 #include "vmcore/system.h"
44 #include "vmcore/utf8.h"
47 /* VM callback functions ******************************************************/
49 static vm_calls_t callbacks = {
50 /* TODO What should we use here? */
52 /* unimplemented_panic, */
53 /* unimplemented_monitorRegister, */
64 /* HPI interfaces *************************************************************/
66 GetInterfaceFunc hpi_get_interface = NULL;
67 HPI_FileInterface *hpi_file = NULL;
68 HPI_SocketInterface *hpi_socket = NULL;
69 HPI_LibraryInterface *hpi_library = NULL;
70 HPI_SystemInterface *hpi_system = NULL;
73 /* hpi_initialize **************************************************************
75 Initialize the Host Porting Interface (HPI).
77 *******************************************************************************/
79 void hpi_initialize(void)
81 char *boot_library_path;
86 lt_ptr dll_initialize;
88 jint (JNICALL * DLL_Initialize)(GetInterfaceFunc *, void *);
90 TRACESUBSYSTEMINITIALIZATION("hpi_init");
94 boot_library_path = properties_get("sun.boot.library.path");
97 system_strlen(boot_library_path) +
98 system_strlen("/native_threads/libhpi.so") +
103 system_strcpy(p, boot_library_path);
104 system_strcat(p, "/native_threads/libhpi.so");
109 log_println("hpi_init: Loading HPI %s ", p);
113 handle = native_library_open(u);
117 vm_abort("hpi_init: HPI open failed");
119 /* Resolve the DLL_Initialize function from the library. */
121 dll_initialize = lt_dlsym(handle, "DLL_Initialize");
123 DLL_Initialize = (jint (JNICALL *)(GetInterfaceFunc *, void *)) (intptr_t) dll_initialize;
125 if (opt_TraceHPI && DLL_Initialize == NULL)
126 log_println("hpi_init: HPI dlsym of DLL_Initialize failed: %s", lt_dlerror());
128 if (DLL_Initialize == NULL ||
129 (*DLL_Initialize)(&hpi_get_interface, &callbacks) < 0) {
132 vm_abort("hpi_init: HPI DLL_Initialize failed");
135 native_library_add(u, NULL, handle);
138 log_println("hpi_init: HPI loaded successfully");
140 /* Resolve the interfaces. */
141 /* NOTE: The intptr_t-case is only to prevent the a compiler
142 warning with -O2: warning: dereferencing type-punned pointer
143 will break strict-aliasing rules */
145 result = (*hpi_get_interface)((void **) (intptr_t) &hpi_file, "File", 1);
148 vm_abort("hpi_init: Can't find HPI_FileInterface");
150 result = (*hpi_get_interface)((void **) (intptr_t) &hpi_library, "Library", 1);
153 vm_abort("hpi_init: Can't find HPI_LibraryInterface");
155 result = (*hpi_get_interface)((void **) (intptr_t) &hpi_system, "System", 1);
158 vm_abort("hpi_init: Can't find HPI_SystemInterface");
162 /* hpi_initialize_socket_library ***********************************************
164 Initialize the library Host Porting Interface (HPI).
166 *******************************************************************************/
168 int hpi_initialize_socket_library(void)
172 /* Resolve the socket library interface. */
174 result = (*hpi_get_interface)((void **) (intptr_t) &hpi_socket, "Socket", 1);
178 log_println("hpi_initialize_socket_library: Can't find HPI_SocketInterface");
188 * These are local overrides for various environment variables in Emacs.
189 * Please do not remove this and leave it at the end of the file, where
190 * Emacs will automagically detect them.
191 * ---------------------------------------------------------------------
194 * indent-tabs-mode: t
198 * vim:noexpandtab:sw=4:ts=4: