1 /*
2 * Copyright (c) 1995, 2018, 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
23 * questions.
24 */
25
26
27 /*
28 * This file contains the main entry point into the launcher code
29 * this is the only file which will be repeatedly compiled by other
30 * tools. The rest of the files will be linked in.
31 */
32
33 #include "defines.h"
34 #include "jli_util.h"
35 #include "jni.h"
36
37 #ifdef _MSC_VER
38 #if _MSC_VER > 1400 && _MSC_VER < 1600
39
40 /*
41 * When building for Microsoft Windows, main has a dependency on msvcr??.dll.
42 *
43 * When using Visual Studio 2005 or 2008, that must be recorded in
44 * the [java,javaw].exe.manifest file.
45 *
46 * As of VS2010 (ver=1600), the runtimes again no longer need manifests.
47 *
48 * Reference:
49 * C:/Program Files/Microsoft SDKs/Windows/v6.1/include/crtdefs.h
50 */
51 #include <crtassem.h>
52 #ifdef _M_IX86
53
54 #pragma comment(linker,"/manifestdependency:\"type='win32' " \
55 "name='" __LIBRARIES_ASSEMBLY_NAME_PREFIX ".CRT' " \
56 "version='" _CRT_ASSEMBLY_VERSION "' " \
57 "processorArchitecture='x86' " \
58 "publicKeyToken='" _VC_ASSEMBLY_PUBLICKEYTOKEN "'\"")
59
60 #endif /* _M_IX86 */
61
62 //This may not be necessary yet for the Windows 64-bit build, but it
63 //will be when that build environment is updated. Need to test to see
64 //if it is harmless:
65 #ifdef _M_AMD64
66
67 #pragma comment(linker,"/manifestdependency:\"type='win32' " \
68 "name='" __LIBRARIES_ASSEMBLY_NAME_PREFIX ".CRT' " \
69 "version='" _CRT_ASSEMBLY_VERSION "' " \
70 "processorArchitecture='amd64' " \
71 "publicKeyToken='" _VC_ASSEMBLY_PUBLICKEYTOKEN "'\"")
72
73 #endif /* _M_AMD64 */
74 #endif /* _MSC_VER > 1400 && _MSC_VER < 1600 */
75 #endif /* _MSC_VER */
76
77 /*
78 * Entry point.
79 */
80 #ifdef JAVAW
81
82 char **__initenv;
83
84 int WINAPI
WinMain(HINSTANCE inst,HINSTANCE previnst,LPSTR cmdline,int cmdshow)85 WinMain(HINSTANCE inst, HINSTANCE previnst, LPSTR cmdline, int cmdshow)
86 {
87 int margc;
88 char** margv;
89 int jargc;
90 char** jargv;
91 const jboolean const_javaw = JNI_TRUE;
92
93 __initenv = _environ;
94
95 #else /* JAVAW */
96 JNIEXPORT int
97 main(int argc, char **argv)
98 {
99 int margc;
100 char** margv;
101 int jargc;
102 char** jargv;
103 const jboolean const_javaw = JNI_FALSE;
104 #endif /* JAVAW */
105 {
106 int i, main_jargc, extra_jargc;
107 JLI_List list;
108
109 main_jargc = (sizeof(const_jargs) / sizeof(char *)) > 1
110 ? sizeof(const_jargs) / sizeof(char *)
111 : 0; // ignore the null terminator index
112
113 extra_jargc = (sizeof(const_extra_jargs) / sizeof(char *)) > 1
114 ? sizeof(const_extra_jargs) / sizeof(char *)
115 : 0; // ignore the null terminator index
116
117 if (main_jargc > 0 && extra_jargc > 0) { // combine extra java args
118 jargc = main_jargc + extra_jargc;
119 list = JLI_List_new(jargc + 1);
120
121 for (i = 0 ; i < extra_jargc; i++) {
122 JLI_List_add(list, JLI_StringDup(const_extra_jargs[i]));
123 }
124
125 for (i = 0 ; i < main_jargc ; i++) {
126 JLI_List_add(list, JLI_StringDup(const_jargs[i]));
127 }
128
129 // terminate the list
130 JLI_List_add(list, NULL);
131 jargv = list->elements;
132 } else if (extra_jargc > 0) { // should never happen
133 fprintf(stderr, "EXTRA_JAVA_ARGS defined without JAVA_ARGS");
134 abort();
135 } else { // no extra args, business as usual
136 jargc = main_jargc;
137 jargv = (char **) const_jargs;
138 }
139 }
140
141 JLI_InitArgProcessing(jargc > 0, const_disable_argfile);
142
143 #ifdef _WIN32
144 {
145 int i = 0;
146 if (getenv(JLDEBUG_ENV_ENTRY) != NULL) {
147 printf("Windows original main args:\n");
148 for (i = 0 ; i < __argc ; i++) {
149 printf("wwwd_args[%d] = %s\n", i, __argv[i]);
150 }
151 }
152 }
153 JLI_CmdToArgs(GetCommandLine());
154 margc = JLI_GetStdArgc();
155 // add one more to mark the end
156 margv = (char **)JLI_MemAlloc((margc + 1) * (sizeof(char *)));
157 {
158 int i = 0;
159 StdArg *stdargs = JLI_GetStdArgs();
160 for (i = 0 ; i < margc ; i++) {
161 margv[i] = stdargs[i].arg;
162 }
163 margv[i] = NULL;
164 }
165 #else /* *NIXES */
166 {
167 // accommodate the NULL at the end
168 JLI_List args = JLI_List_new(argc + 1);
169 int i = 0;
170
171 // Add first arg, which is the app name
172 JLI_List_add(args, JLI_StringDup(argv[0]));
173 // Append JDK_JAVA_OPTIONS
174 if (JLI_AddArgsFromEnvVar(args, JDK_JAVA_OPTIONS)) {
175 // JLI_SetTraceLauncher is not called yet
176 // Show _JAVA_OPTIONS content along with JDK_JAVA_OPTIONS to aid diagnosis
177 if (getenv(JLDEBUG_ENV_ENTRY)) {
178 char *tmp = getenv("_JAVA_OPTIONS");
179 if (NULL != tmp) {
180 JLI_ReportMessage(ARG_INFO_ENVVAR, "_JAVA_OPTIONS", tmp);
181 }
182 }
183 }
184 // Iterate the rest of command line
185 for (i = 1; i < argc; i++) {
186 JLI_List argsInFile = JLI_PreprocessArg(argv[i], JNI_TRUE);
187 if (NULL == argsInFile) {
188 JLI_List_add(args, JLI_StringDup(argv[i]));
189 } else {
190 int cnt, idx;
191 cnt = argsInFile->size;
192 for (idx = 0; idx < cnt; idx++) {
193 JLI_List_add(args, argsInFile->elements[idx]);
194 }
195 // Shallow free, we reuse the string to avoid copy
196 JLI_MemFree(argsInFile->elements);
197 JLI_MemFree(argsInFile);
198 }
199 }
200 margc = args->size;
201 // add the NULL pointer at argv[argc]
202 JLI_List_add(args, NULL);
203 margv = args->elements;
204 }
205 #endif /* WIN32 */
206 return JLI_Launch(margc, margv,
207 jargc, (const char**) jargv,
208 0, NULL,
209 VERSION_STRING,
210 DOT_VERSION,
211 (const_progname != NULL) ? const_progname : *margv,
212 (const_launcher != NULL) ? const_launcher : *margv,
213 jargc > 0,
214 const_cpwildcard, const_javaw, 0);
215 }
216