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 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 JNICALL 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]); 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 }