1 /*
2 * Copyright (c) 2005, 2014, Oracle and/or its affiliates. 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
70 #define MAX_ARGS 3
71 #define MAX_PIPE_NAME_LENGTH 256
72
73 typedef struct {
74 GetModuleHandleFunc _GetModuleHandle;
75 GetProcAddressFunc _GetProcAddress;
76 char jvmLib[MAX_LIBNAME_LENGTH]; /* "jvm.dll" */
77 char func1[MAX_FUNC_LENGTH];
78 char func2[MAX_FUNC_LENGTH];
79 char cmd[MAX_CMD_LENGTH]; /* "load", "dump", ... */
80 char arg[MAX_ARGS][MAX_ARG_LENGTH]; /* arguments to command */
81 char pipename[MAX_PIPE_NAME_LENGTH];
82 } DataBlock;
83
84 /*
85 * Return codes from enqueue function executed in target VM
86 */
87 #define ERR_OPEN_JVM_FAIL 200
88 #define ERR_GET_ENQUEUE_FUNC_FAIL 201
89
90
91 /*
92 * Code copied to target process
93 */
94 #pragma check_stack (off)
95 /* Switch off all runtime checks (checks caused by /RTC<x>). They cause the
96 * generated code to contain relative jumps to check functions which make
97 * the code position dependent. */
98 #pragma runtime_checks ("scu", off)
99 DWORD WINAPI jvm_attach_thread_func(DataBlock *pData)
100 {
101 HINSTANCE h;
102 EnqueueOperationFunc addr;
103
104 h = pData->_GetModuleHandle(pData->jvmLib);
105 if (h == NULL) {
106 return ERR_OPEN_JVM_FAIL;
107 }
108
109 addr = (EnqueueOperationFunc)(pData->_GetProcAddress(h, pData->func1));
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1 /*
2 * Copyright (c) 2005, 2015, Oracle and/or its affiliates. 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
70 #define MAX_ARGS 3
71 #define MAX_PIPE_NAME_LENGTH 256
72
73 typedef struct {
74 GetModuleHandleFunc _GetModuleHandle;
75 GetProcAddressFunc _GetProcAddress;
76 char jvmLib[MAX_LIBNAME_LENGTH]; /* "jvm.dll" */
77 char func1[MAX_FUNC_LENGTH];
78 char func2[MAX_FUNC_LENGTH];
79 char cmd[MAX_CMD_LENGTH]; /* "load", "dump", ... */
80 char arg[MAX_ARGS][MAX_ARG_LENGTH]; /* arguments to command */
81 char pipename[MAX_PIPE_NAME_LENGTH];
82 } DataBlock;
83
84 /*
85 * Return codes from enqueue function executed in target VM
86 */
87 #define ERR_OPEN_JVM_FAIL 200
88 #define ERR_GET_ENQUEUE_FUNC_FAIL 201
89
90 /*
91 * Declare library specific JNI_Onload entry if static build
92 */
93 DEF_STATIC_JNI_OnLoad
94
95 /*
96 * Code copied to target process
97 */
98 #pragma check_stack (off)
99 /* Switch off all runtime checks (checks caused by /RTC<x>). They cause the
100 * generated code to contain relative jumps to check functions which make
101 * the code position dependent. */
102 #pragma runtime_checks ("scu", off)
103 DWORD WINAPI jvm_attach_thread_func(DataBlock *pData)
104 {
105 HINSTANCE h;
106 EnqueueOperationFunc addr;
107
108 h = pData->_GetModuleHandle(pData->jvmLib);
109 if (h == NULL) {
110 return ERR_OPEN_JVM_FAIL;
111 }
112
113 addr = (EnqueueOperationFunc)(pData->_GetProcAddress(h, pData->func1));
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