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/*
* Copyright (c) 1998, 2006, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
# include "incls/_precompiled.incl"
# include "incls/_hpi_windows.cpp.incl"
typedef jint (JNICALL *init_t)(GetInterfaceFunc *, void *);
void hpi::initialize_get_interface(vm_calls_t *callbacks)
{
// Build name of HPI.
char lib_name[JVM_MAXPATHLEN];
if (HPILibPath && HPILibPath[0]) {
strncpy(lib_name, HPILibPath, JVM_MAXPATHLEN - 1);
lib_name[JVM_MAXPATHLEN - 1] = '\0';
} else {
os::jvm_path(lib_name, sizeof lib_name);
#ifdef PRODUCT
const char *hpi_lib = "\\hpi.dll";
#else
char *ptr = strrchr(lib_name, '\\');
// On Win98 GetModuleFileName() returns the path in the upper case.
assert(_strnicmp(ptr, "\\jvm",4) == 0, "invalid library name");
const char *hpi_lib = (_strnicmp(ptr, "\\jvm_g",6) == 0) ? "\\hpi_g.dll" : "\\hpi.dll";
#endif
*(::strrchr(lib_name, '\\')) = '\0'; /* get rid of "\\jvm.dll" */
char *p = ::strrchr(lib_name, '\\');
if (p != NULL) *p = '\0'; /* get rid of "\\hotspot" */
strcat(lib_name, hpi_lib);
}
// Load it.
if (TraceHPI) tty->print_cr("Loading HPI %s ", lib_name);
HINSTANCE lib_handle = LoadLibrary(lib_name);
if (lib_handle == NULL) {
if (TraceHPI) tty->print_cr("LoadLibrary failed, code = %d", GetLastError());
return;
}
// Find hpi initializer.
init_t initer = (init_t)GetProcAddress(lib_handle, "DLL_Initialize");
if (initer == NULL) {
if (TraceHPI) tty->print_cr("GetProcAddress failed, errcode = %d", GetLastError());
return;
}
// Call initializer.
jint init_result = (*initer)(&_get_interface, callbacks);
if (init_result < 0) {
if (TraceHPI) tty->print_cr("DLL_Initialize failed, returned %ld", init_result);
return;
}
if (TraceHPI) tty->print_cr("success");
return;
}
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