main.c revision 13131:cfbd1af04927 
1/*
2 * Copyright (c) 1995, 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
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
36#ifdef _MSC_VER
37#if _MSC_VER > 1400 && _MSC_VER < 1600
38
39/*
40 * When building for Microsoft Windows, main has a dependency on msvcr??.dll.
41 *
42 * When using Visual Studio 2005 or 2008, that must be recorded in
43 * the [java,javaw].exe.manifest file.
44 *
45 * As of VS2010 (ver=1600), the runtimes again no longer need manifests.
46 *
47 * Reference:
48 *     C:/Program Files/Microsoft SDKs/Windows/v6.1/include/crtdefs.h
49 */
50#include <crtassem.h>
51#ifdef _M_IX86
52
53#pragma comment(linker,"/manifestdependency:\"type='win32' "            \
54        "name='" __LIBRARIES_ASSEMBLY_NAME_PREFIX ".CRT' "              \
55        "version='" _CRT_ASSEMBLY_VERSION "' "                          \
56        "processorArchitecture='x86' "                                  \
57        "publicKeyToken='" _VC_ASSEMBLY_PUBLICKEYTOKEN "'\"")
58
59#endif /* _M_IX86 */
60
61//This may not be necessary yet for the Windows 64-bit build, but it
62//will be when that build environment is updated.  Need to test to see
63//if it is harmless:
64#ifdef _M_AMD64
65
66#pragma comment(linker,"/manifestdependency:\"type='win32' "            \
67        "name='" __LIBRARIES_ASSEMBLY_NAME_PREFIX ".CRT' "              \
68        "version='" _CRT_ASSEMBLY_VERSION "' "                          \
69        "processorArchitecture='amd64' "                                \
70        "publicKeyToken='" _VC_ASSEMBLY_PUBLICKEYTOKEN "'\"")
71
72#endif  /* _M_AMD64 */
73#endif  /* _MSC_VER > 1400 && _MSC_VER < 1600 */
74#endif  /* _MSC_VER */
75
76/*
77 * Entry point.
78 */
79#ifdef JAVAW
80
81char **__initenv;
82
83int WINAPI
84WinMain(HINSTANCE inst, HINSTANCE previnst, LPSTR cmdline, int cmdshow)
85{
86    int margc;
87    char** margv;
88    const jboolean const_javaw = JNI_TRUE;
89
90    __initenv = _environ;
91
92#else /* JAVAW */
93int
94main(int argc, char **argv)
95{
96    int margc;
97    char** margv;
98    const jboolean const_javaw = JNI_FALSE;
99#endif /* JAVAW */
100
101    JLI_InitArgProcessing(!HAS_JAVA_ARGS, const_disable_argfile);
102
103#ifdef _WIN32
104    {
105        int i = 0;
106        if (getenv(JLDEBUG_ENV_ENTRY) != NULL) {
107            printf("Windows original main args:\n");
108            for (i = 0 ; i < __argc ; i++) {
109                printf("wwwd_args[%d] = %s\n", i, __argv[i]);
110            }
111        }
112    }
113    JLI_CmdToArgs(GetCommandLine());
114    margc = JLI_GetStdArgc();
115    // add one more to mark the end
116    margv = (char **)JLI_MemAlloc((margc + 1) * (sizeof(char *)));
117    {
118        int i = 0;
119        StdArg *stdargs = JLI_GetStdArgs();
120        for (i = 0 ; i < margc ; i++) {
121            margv[i] = stdargs[i].arg;
122        }
123        margv[i] = NULL;
124    }
125#else /* *NIXES */
126    {
127        // accommodate the NULL at the end
128        JLI_List args = JLI_List_new(argc + 1);
129        int i = 0;
130        for (i = 0; i < argc; i++) {
131            JLI_List argsInFile = JLI_PreprocessArg(argv[i]);
132            if (NULL == argsInFile) {
133                JLI_List_add(args, JLI_StringDup(argv[i]));
134            } else {
135                int cnt, idx;
136                cnt = argsInFile->size;
137                for (idx = 0; idx < cnt; idx++) {
138                    JLI_List_add(args, argsInFile->elements[idx]);
139                }
140                // Shallow free, we reuse the string to avoid copy
141                JLI_MemFree(argsInFile->elements);
142                JLI_MemFree(argsInFile);
143            }
144        }
145        margc = args->size;
146        // add the NULL pointer at argv[argc]
147        JLI_List_add(args, NULL);
148        margv = args->elements;
149    }
150#endif /* WIN32 */
151    return JLI_Launch(margc, margv,
152                   sizeof(const_jargs) / sizeof(char *), const_jargs,
153                   sizeof(const_appclasspath) / sizeof(char *), const_appclasspath,
154                   VERSION_STRING,
155                   DOT_VERSION,
156                   (const_progname != NULL) ? const_progname : *margv,
157                   (const_launcher != NULL) ? const_launcher : *margv,
158                   HAS_JAVA_ARGS,
159                   const_cpwildcard, const_javaw, const_ergo_class);
160}
161