| 1 | /*
|
|---|
| 2 | * Copyright (C) 2003 Apple Computer, Inc. All rights reserved.
|
|---|
| 3 | *
|
|---|
| 4 | * Redistribution and use in source and binary forms, with or without
|
|---|
| 5 | * modification, are permitted provided that the following conditions
|
|---|
| 6 | * are met:
|
|---|
| 7 | * 1. Redistributions of source code must retain the above copyright
|
|---|
| 8 | * notice, this list of conditions and the following disclaimer.
|
|---|
| 9 | * 2. Redistributions in binary form must reproduce the above copyright
|
|---|
| 10 | * notice, this list of conditions and the following disclaimer in the
|
|---|
| 11 | * documentation and/or other materials provided with the distribution.
|
|---|
| 12 | *
|
|---|
| 13 | * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
|
|---|
| 14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|---|
| 15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|---|
| 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
|
|---|
| 17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|---|
| 18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|---|
| 19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|---|
| 20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
|
|---|
| 21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|---|
| 22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|---|
| 23 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|---|
| 24 | */
|
|---|
| 25 |
|
|---|
| 26 | #include "softlinking.h"
|
|---|
| 27 |
|
|---|
| 28 | #include <mach-o/dyld.h>
|
|---|
| 29 |
|
|---|
| 30 | static const struct mach_header *loadFramework(const char *execPath)
|
|---|
| 31 | {
|
|---|
| 32 | return NSAddImage(execPath, NSADDIMAGE_OPTION_WITH_SEARCHING | NSADDIMAGE_OPTION_MATCH_FILENAME_BY_INSTALLNAME);
|
|---|
| 33 | }
|
|---|
| 34 |
|
|---|
| 35 | static void *getFunctionPointer(const struct mach_header *header, const char *functionName)
|
|---|
| 36 | {
|
|---|
| 37 | NSSymbol symbol = NSLookupSymbolInImage(header, functionName, NSLOOKUPSYMBOLINIMAGE_OPTION_BIND);
|
|---|
| 38 | if (symbol!=NULL) {
|
|---|
| 39 | return NSAddressOfSymbol(symbol);
|
|---|
| 40 | }
|
|---|
| 41 | return 0;
|
|---|
| 42 | }
|
|---|
| 43 |
|
|---|
| 44 | jint KJS_GetCreatedJavaVMs(JavaVM **vmBuf, jsize bufLen, jsize *nVMs)
|
|---|
| 45 | {
|
|---|
| 46 | static const struct mach_header *header = 0;
|
|---|
| 47 | if (!header) {
|
|---|
| 48 | header = loadFramework("/System/Library/Frameworks/JavaVM.framework/JavaVM");
|
|---|
| 49 | }
|
|---|
| 50 | static jint(*functionPointer)(JavaVM **, jsize, jsize *) = 0;
|
|---|
| 51 | if (!functionPointer) {
|
|---|
| 52 | functionPointer = getFunctionPointer(header, "_JNI_GetCreatedJavaVMs");
|
|---|
| 53 | }
|
|---|
| 54 | return functionPointer(vmBuf, bufLen, nVMs);
|
|---|
| 55 | }
|
|---|
