stan/jdk-24
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

6912013: Remove the temporary launcher fix to add modules in the bootclasspath

Browse Source 
Reviewed-by: ksrini
This commit is contained in:
Mandy Chung 2011-01-21 09:43:57 -08:00
parent 3a985f5c15
commit 01c9167c25
3 changed files with 112 additions and 121 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

166
jdk/src/share/bin/java.c
View File

@ -94,15 +94,15 @@ static int numOptions, maxOptions;
* Prototypes for functions internal to launcher.
*/
static void SetClassPath(const char *s);
static void SetModulesBootClassPath(const char *s);
static void SelectVersion(int argc, char **argv, char **main_class);
static jboolean ParseArguments(int *pargc, char ***pargv, char **pjarfile,
char **pclassname, int *pret, const char *jvmpath);
static jboolean ParseArguments(int *pargc, char ***pargv,
int *pmode, char **pwhat,
int *pret, const char *jrepath);
static jboolean InitializeJVM(JavaVM **pvm, JNIEnv **penv,
InvocationFunctions *ifn);
static jstring NewPlatformString(JNIEnv *env, char *s);
static jobjectArray NewPlatformStringArray(JNIEnv *env, char **strv, int strc);
static jclass LoadMainClass(JNIEnv *env, jboolean isJar, char *name);
static jclass LoadMainClass(JNIEnv *env, int mode, char *name);
static void TranslateApplicationArgs(int jargc, const char **jargv, int *pargc, char ***pargv);
static jboolean AddApplicationOptions(int cpathc, const char **cpathv);
@ -164,11 +164,20 @@ static jlong initialHeapSize = 0; /* inital heap size */
int JNICALL JavaMain(void * args); /* entry point */
enum LaunchMode { // cf. sun.launcher.LauncherHelper
LM_UNKNOWN = 0,
LM_CLASS,
LM_JAR
};
static const char *launchModeNames[]
= { "Unknown", "Main class", "JAR file" };
typedef struct {
int argc;
char ** argv;
char * jarfile;
char * classname;
char **argv;
int mode;
char *what;
InvocationFunctions ifn;
} JavaMainArgs;
@ -189,8 +198,8 @@ JLI_Launch(int argc, char ** argv, /* main argc, argc */
jint ergo /* ergonomics class policy */
)
{
char *jarfile = 0;
char *classname = 0;
int mode = LM_UNKNOWN;
char *what = NULL;
char *cpath = 0;
char *main_class = NULL;
int ret;
@ -277,24 +286,21 @@ JLI_Launch(int argc, char ** argv, /* main argc, argc */
SetClassPath(cpath);
}
/*
* Parse command line options; if the return value of
/* Parse command line options; if the return value of
* ParseArguments is false, the program should exit.
*/
if (!ParseArguments(&argc, &argv, &jarfile, &classname, &ret, jvmpath)) {
if (!ParseArguments(&argc, &argv, &mode, &what, &ret, jrepath))
{
return(ret);
}
/* Set bootclasspath for modules */
SetModulesBootClassPath(jrepath);
/* Override class path if -jar flag was specified */
if (jarfile != 0) {
SetClassPath(jarfile);
if (mode == LM_JAR) {
SetClassPath(what); /* Override class path */
}
/* set the -Dsun.java.command pseudo property */
SetJavaCommandLineProp(classname, jarfile, argc, argv);
SetJavaCommandLineProp(what, argc, argv);
/* Set the -Dsun.java.launcher pseudo property */
SetJavaLauncherProp();
@ -305,7 +311,7 @@ JLI_Launch(int argc, char ** argv, /* main argc, argc */
/* Show the splash screen if needed */
ShowSplashScreen();
return ContinueInNewThread(&ifn, argc, argv, jarfile, classname, ret);
return ContinueInNewThread(&ifn, argc, argv, mode, what, ret);
}
/*
@ -353,13 +359,13 @@ JavaMain(void * _args)
JavaMainArgs *args = (JavaMainArgs *)_args;
int argc = args->argc;
char **argv = args->argv;
char *jarfile = args->jarfile;
char *classname = args->classname;
int mode = args->mode;
char *what = args->what;
InvocationFunctions ifn = args->ifn;
JavaVM *vm = 0;
JNIEnv *env = 0;
jclass mainClass;
jclass mainClass = NULL;
jmethodID mainID;
jobjectArray mainArgs;
int ret = 0;
@ -385,7 +391,7 @@ JavaMain(void * _args)
CHECK_EXCEPTION_LEAVE(1);
}
/* If the user specified neither a class name nor a JAR file */
if (printXUsage || printUsage || (jarfile == 0 && classname == 0)) {
if (printXUsage || printUsage || what == 0 || mode == LM_UNKNOWN) {
PrintUsage(env, printXUsage);
CHECK_EXCEPTION_LEAVE(1);
LEAVE();
@ -399,11 +405,11 @@ JavaMain(void * _args)
(long)(jint)Counter2Micros(end-start));
}
/* At this stage, argc/argv have the applications' arguments */
/* At this stage, argc/argv have the application's arguments */
if (JLI_IsTraceLauncher()){
int i;
printf("Main-Class is '%s'\n", classname ? classname : "");
printf("Apps' argc is %d\n", argc);
printf("%s is '%s'\n", launchModeNames[mode], what);
printf("App's argc is %d\n", argc);
for (i=0; i < argc; i++) {
printf(" argv[%2d] = '%s'\n", i, argv[i]);
}
@ -431,11 +437,7 @@ JavaMain(void * _args)
* 2) Remove the vestages of maintaining main_class through
* the environment (and remove these comments).
*/
if (jarfile != 0) {
mainClass = LoadMainClass(env, JNI_TRUE, jarfile);
} else {
mainClass = LoadMainClass(env, JNI_FALSE, classname);
}
mainClass = LoadMainClass(env, mode, what);
CHECK_EXCEPTION_NULL_LEAVE(mainClass);
/*
@ -718,44 +720,6 @@ SetClassPath(const char *s)
JLI_MemFree((char *) s);
}
/*
* Set the bootclasspath for modules.
* A temporary workaround until jigsaw is integrated into JDK 7.
*/
static void
SetModulesBootClassPath(const char *jrepath)
{
char *def, *s;
char pathname[MAXPATHLEN];
const char separator[] = { FILE_SEPARATOR, '\0' };
const char *orig = jrepath;
static const char format[] = "-Xbootclasspath/p:%s";
struct stat statbuf;
/* return if jre/lib/rt.jar exists */
JLI_Snprintf(pathname, sizeof(pathname), "%s%slib%srt.jar", jrepath, separator, separator);
if (stat(pathname, &statbuf) == 0) {
return;
}
/* return if jre/classes exists */
JLI_Snprintf(pathname, sizeof(pathname), "%s%sclasses", jrepath, separator);
if (stat(pathname, &statbuf) == 0) {
return;
}
/* modularized jre */
JLI_Snprintf(pathname, sizeof(pathname), "%s%slib%s*", jrepath, separator, separator);
s = (char *) JLI_WildcardExpandClasspath(pathname);
def = JLI_MemAlloc(sizeof(format)
- 2 /* strlen("%s") */
+ JLI_StrLen(s));
sprintf(def, format, s);
AddOption(def, NULL);
if (s != orig)
JLI_MemFree((char *) s);
}
/*
* The SelectVersion() routine ensures that an appropriate version of
* the JRE is running. The specification for the appropriate version
@ -1004,12 +968,13 @@ SelectVersion(int argc, char **argv, char **main_class)
* process return value) is set to 0 for a normal exit.
*/
static jboolean
ParseArguments(int *pargc, char ***pargv, char **pjarfile,
char **pclassname, int *pret, const char *jvmpath)
ParseArguments(int *pargc, char ***pargv,
int *pmode, char **pwhat,
int *pret, const char *jrepath)
{
int argc = *pargc;
char **argv = *pargv;
jboolean jarflag = JNI_FALSE;
int mode = LM_UNKNOWN;
char *arg;
*pret = 0;
@ -1019,10 +984,11 @@ ParseArguments(int *pargc, char ***pargv, char **pjarfile,
if (JLI_StrCmp(arg, "-classpath") == 0 || JLI_StrCmp(arg, "-cp") == 0) {
ARG_CHECK (argc, ARG_ERROR1, arg);
SetClassPath(*argv);
mode = LM_CLASS;
argv++; --argc;
} else if (JLI_StrCmp(arg, "-jar") == 0) {
ARG_CHECK (argc, ARG_ERROR2, arg);
jarflag = JNI_TRUE;
mode = LM_JAR;
} else if (JLI_StrCmp(arg, "-help") == 0 ||
JLI_StrCmp(arg, "-h") == 0 ||
JLI_StrCmp(arg, "-?") == 0) {
@ -1102,19 +1068,24 @@ ParseArguments(int *pargc, char ***pargv, char **pjarfile,
}
if (--argc >= 0) {
if (jarflag) {
*pjarfile = *argv++;
*pclassname = NULL;
} else {
*pjarfile = NULL;
*pclassname = *argv++;
*pwhat = *argv++;
}
if (*pwhat == NULL) {
*pret = 1;
} else if (mode == LM_UNKNOWN) {
/* default to LM_CLASS if -jar and -cp option are
* not specified */
mode = LM_CLASS;
}
if (argc >= 0) {
*pargc = argc;
*pargv = argv;
}
if (*pjarfile == NULL && *pclassname == NULL) {
*pret = 1;
}
*pmode = mode;
return JNI_TRUE;
}
@ -1263,7 +1234,7 @@ NewPlatformStringArray(JNIEnv *env, char **strv, int strc)
* call it for more details refer to the java implementation.
*/
static jclass
LoadMainClass(JNIEnv *env, jboolean isJar, char *name)
LoadMainClass(JNIEnv *env, int mode, char *name)
{
jclass cls;
jmethodID mid;
@ -1276,9 +1247,9 @@ LoadMainClass(JNIEnv *env, jboolean isJar, char *name)
}
NULL_CHECK0(cls = FindBootStrapClass(env, "sun/launcher/LauncherHelper"));
NULL_CHECK0(mid = (*env)->GetStaticMethodID(env, cls, "checkAndLoadMain",
"(ZZLjava/lang/String;)Ljava/lang/Object;"));
"(ZILjava/lang/String;)Ljava/lang/Class;"));
str = (*env)->NewStringUTF(env, name);
result = (*env)->CallStaticObjectMethod(env, cls, mid, JNI_TRUE, isJar, str);
result = (*env)->CallStaticObjectMethod(env, cls, mid, JNI_TRUE, mode, str);
if (JLI_IsTraceLauncher()) {
end = CounterGet();
@ -1424,8 +1395,7 @@ AddApplicationOptions(int cpathc, const char **cpathv)
* property is not exported by HotSpot to the Java layer.
*/
void
SetJavaCommandLineProp(char *classname, char *jarfile,
int argc, char **argv)
SetJavaCommandLineProp(char *what, int argc, char **argv)
{
int i = 0;
@ -1433,22 +1403,17 @@ SetJavaCommandLineProp(char *classname, char *jarfile,
char* javaCommand = NULL;
char* dashDstr = "-Dsun.java.command=";
if (classname == NULL && jarfile == NULL) {
if (what == NULL) {
/* unexpected, one of these should be set. just return without
* setting the property
*/
return;
}
/* if the class name is not set, then use the jarfile name */
if (classname == NULL) {
classname = jarfile;
}
/* determine the amount of memory to allocate assuming
* the individual components will be space separated
*/
len = JLI_StrLen(classname);
len = JLI_StrLen(what);
for (i = 0; i < argc; i++) {
len += JLI_StrLen(argv[i]) + 1;
}
@ -1459,7 +1424,7 @@ SetJavaCommandLineProp(char *classname, char *jarfile,
/* build the -D string */
*javaCommand = '\0';
JLI_StrCat(javaCommand, dashDstr);
JLI_StrCat(javaCommand, classname);
JLI_StrCat(javaCommand, what);
for (i = 0; i < argc; i++) {
/* the components of the string are space separated. In
@ -1479,7 +1444,8 @@ SetJavaCommandLineProp(char *classname, char *jarfile,
* JVM would like to know if it's created by a standard Sun launcher, or by
* user native application, the following property indicates the former.
*/
void SetJavaLauncherProp() {
void
SetJavaLauncherProp() {
AddOption("-Dsun.java.launcher=SUN_STANDARD", NULL);
}
@ -1913,8 +1879,8 @@ IsWildCardEnabled()
}
static int
ContinueInNewThread(InvocationFunctions* ifn, int argc,
char **argv, char *jarfile, char *classname, int ret)
ContinueInNewThread(InvocationFunctions* ifn, int argc, char **argv,
int mode, char *what, int ret)
{
/*
@ -1938,8 +1904,8 @@ ContinueInNewThread(InvocationFunctions* ifn, int argc,
args.argc = argc;
args.argv = argv;
args.jarfile = jarfile;
args.classname = classname;
args.mode = mode;
args.what = what;
args.ifn = *ifn;
rslt = ContinueInNewThread0(JavaMain, threadStackSize, (void*)&args);

7
jdk/src/share/bin/java.h
View File

@ -153,7 +153,7 @@ int ContinueInNewThread0(int (JNICALL *continuation)(void *),
/* sun.java.launcher.* platform properties. */
void SetJavaLauncherPlatformProps(void);
void SetJavaCommandLineProp(char* classname, char* jarfile, int argc, char** argv);
void SetJavaCommandLineProp(char* what, int argc, char** argv);
void SetJavaLauncherProp(void);
/*
@ -178,8 +178,9 @@ jint GetErgoPolicy();
jboolean ServerClassMachine();
static int ContinueInNewThread(InvocationFunctions* ifn, int argc, char** argv,
char* jarfile, char* classname, int ret);
static int ContinueInNewThread(InvocationFunctions* ifn,
int argc, char** argv,
int mode, char *what, int ret);
/*
* Initialize platform specific settings

46
jdk/src/share/classes/sun/launcher/LauncherHelper.java
View File

@ -401,6 +401,14 @@ public enum LauncherHelper {
}
}
// From src/share/bin/java.c:
// enum LaunchMode { LM_UNKNOWN = 0, LM_CLASS, LM_JAR };
private static final int LM_UNKNOWN = 0;
private static final int LM_CLASS = 1;
private static final int LM_JAR = 2;
/**
* This method does the following:
* 1. gets the classname from a Jar's manifest, if necessary
@ -420,24 +428,40 @@ public enum LauncherHelper {
* @return
* @throws java.io.IOException
*/
public static Object checkAndLoadMain(boolean printToStderr,
boolean isJar, String name) throws IOException {
public static Class<?> checkAndLoadMain(boolean printToStderr,
int mode,
String what) throws IOException
{
ClassLoader ld = ClassLoader.getSystemClassLoader();
// get the class name
String classname = (isJar) ? getMainClassFromJar(name) : name;
classname = classname.replace('/', '.');
ClassLoader loader = ClassLoader.getSystemClassLoader();
Class<?> clazz = null;
String cn = null;
switch (mode) {
case LM_CLASS:
cn = what;
break;
case LM_JAR:
cn = getMainClassFromJar(what);
break;
default:
throw new InternalError("" + mode + ": Unknown launch mode");
}
cn = cn.replace('/', '.');
PrintStream ostream = (printToStderr) ? System.err : System.out;
Class<?> c = null;
try {
clazz = loader.loadClass(classname);
c = ld.loadClass(cn);
} catch (ClassNotFoundException cnfe) {
ostream.println(getLocalizedMessage("java.launcher.cls.error1", classname));
NoClassDefFoundError ncdfe = new NoClassDefFoundError(classname);
ostream.println(getLocalizedMessage("java.launcher.cls.error1",
cn));
NoClassDefFoundError ncdfe = new NoClassDefFoundError(cn);
ncdfe.initCause(cnfe);
throw ncdfe;
}
signatureDiagnostic(ostream, clazz);
return clazz;
signatureDiagnostic(ostream, c);
return c;
}
static void signatureDiagnostic(PrintStream ostream, Class<?> clazz) {