struct bag *
bagDup(struct bag *oldBag)
{
struct bag *newBag = bagCreateBag(oldBag->itemSize,
oldBag->allocated);
if (newBag != NULL) {
newBag->used = oldBag->used;
(void)memcpy(newBag->items, oldBag->items, newBag->used * newBag->itemSize);
}
return newBag;
}
/*
* TO DO: Support processing of replies through command input streams.
*/
void
inStream_init(PacketInputStream *stream, jdwpPacket packet)
{
stream->packet = packet;
stream->error = JDWP_ERROR(NONE);
stream->left = packet.type.cmd.len;
stream->current = packet.type.cmd.data;
stream->refs = bagCreateBag(sizeof(jobject), INITIAL_REF_ALLOC);
if (stream->refs == NULL) {
stream->error = JDWP_ERROR(OUT_OF_MEMORY);
}
}
static void
commonInit(PacketOutputStream *stream)
{
stream->current = &stream->initialSegment[0];
stream->left = sizeof(stream->initialSegment);
stream->segment = &stream->firstSegment;
stream->segment->length = 0;
stream->segment->data = &stream->initialSegment[0];
stream->segment->next = NULL;
stream->error = JDWP_ERROR(NONE);
stream->sent = JNI_FALSE;
stream->ids = bagCreateBag(sizeof(jlong), INITIAL_ID_ALLOC);
if (stream->ids == NULL) {
stream->error = JDWP_ERROR(OUT_OF_MEMORY);
}
}
static void
commonInit(PacketOutputStream *stream)
{
stream->current = &stream->initialSegment[0];
stream->left = sizeof(stream->initialSegment);
stream->segment = &stream->packet.type.cmd.data;
stream->segment->length = 0;
stream->segment->data = &stream->initialSegment[0];
stream->segment->next = NULL;
stream->error = JVMDI_ERROR_NONE;
stream->sent = JNI_FALSE;
stream->ids = bagCreateBag(sizeof(jlong), INITIAL_ID_ALLOC);
if (stream->ids == NULL) {
stream->error = JVMDI_ERROR_OUT_OF_MEMORY;
}
}
/*
* Delete a hash table of classes.
* The signatures of classes in the table are returned.
*/
static struct bag *
deleteTable(JNIEnv *env, KlassNode *oldTable[])
{
struct bag *signatures = bagCreateBag(sizeof(char*), 10);
jint slot;
if (signatures == NULL) {
ALLOC_ERROR_EXIT();
}
for (slot = 0; slot < HASH_SLOT_COUNT; slot++) {
KlassNode *node = oldTable[slot];
while (node != NULL) {
KlassNode *next;
char **sigSpot;
/* Add signature to the signature bag */
sigSpot = bagAdd(signatures);
if (sigSpot == NULL) {
ALLOC_ERROR_EXIT();
}
*sigSpot = node->signature;
/* Free weak ref and the node itself */
(*env)->DeleteWeakGlobalRef(env, node->klass);
next = node->next;
jdwpFree(node);
node = next;
}
}
jdwpFree(oldTable);
return signatures;
}
static jboolean
parseOptions(char *options)
{
TransportSpec *currentTransport = NULL;
char *end;
char *current;
int length;
char *str;
char *errmsg;
/* Set defaults */
gdata->assertOn = DEFAULT_ASSERT_ON;
gdata->assertFatal = DEFAULT_ASSERT_FATAL;
logfile = DEFAULT_LOGFILE;
/* Options being NULL will end up being an error. */
if (options == NULL) {
options = "";
}
/* Check for "help" BEFORE we add any environmental settings */
if ((strcmp(options, "help")) == 0) {
printUsage();
forceExit(0); /* Kill entire process, no core dump wanted */
}
/* These buffers are never freed */
{
char *envOptions;
/*
* Add environmentally specified options.
*/
envOptions = getenv("_JAVA_JDWP_OPTIONS");
if (envOptions != NULL) {
options = add_to_options(options, envOptions);
if ( options==NULL ) {
EXIT_ERROR(AGENT_ERROR_OUT_OF_MEMORY,"options");
}
}
/*
* Allocate a buffer for names derived from option strings. It should
* never be longer than the original options string itself.
* Also keep a copy of the options in gdata->options.
*/
length = (int)strlen(options);
gdata->options = jvmtiAllocate(length + 1);
if (gdata->options == NULL) {
EXIT_ERROR(AGENT_ERROR_OUT_OF_MEMORY,"options");
}
(void)strcpy(gdata->options, options);
names = jvmtiAllocate(length + 1);
if (names == NULL) {
EXIT_ERROR(AGENT_ERROR_OUT_OF_MEMORY,"options");
}
transports = bagCreateBag(sizeof(TransportSpec), 3);
if (transports == NULL) {
EXIT_ERROR(AGENT_ERROR_OUT_OF_MEMORY,"transports");
}
}
current = names;
end = names + length;
str = options;
while (*str) {
char buf[100];
/*LINTED*/
if (!get_tok(&str, buf, (int)sizeof(buf), '=')) {
goto syntax_error;
}
if (strcmp(buf, "transport") == 0) {
currentTransport = bagAdd(transports);
/*LINTED*/
if (!get_tok(&str, current, (int)(end - current), ',')) {
goto syntax_error;
}
currentTransport->name = current;
current += strlen(current) + 1;
} else if (strcmp(buf, "address") == 0) {
if (currentTransport == NULL) {
errmsg = "address specified without transport";
goto bad_option_with_errmsg;
}
/*LINTED*/
if (!get_tok(&str, current, (int)(end - current), ',')) {
goto syntax_error;
}
currentTransport->address = current;
current += strlen(current) + 1;
} else if (strcmp(buf, "timeout") == 0) {
if (currentTransport == NULL) {
errmsg = "timeout specified without transport";
goto bad_option_with_errmsg;
}
/*LINTED*/
if (!get_tok(&str, current, (int)(end - current), ',')) {
goto syntax_error;
}
currentTransport->timeout = atol(current);
current += strlen(current) + 1;
} else if (strcmp(buf, "launch") == 0) {
/*LINTED*/
if (!get_tok(&str, current, (int)(end - current), ',')) {
goto syntax_error;
}
launchOnInit = current;
current += strlen(current) + 1;
} else if (strcmp(buf, "onthrow") == 0) {
/* Read class name and convert in place to a signature */
*current = 'L';
/*LINTED*/
if (!get_tok(&str, current + 1, (int)(end - current - 1), ',')) {
goto syntax_error;
}
initOnException = current;
while (*current != '\0') {
if (*current == '.') {
*current = '/';
}
current++;
}
*current++ = ';';
*current++ = '\0';
} else if (strcmp(buf, "assert") == 0) {
/*LINTED*/
if (!get_tok(&str, current, (int)(end - current), ',')) {
goto syntax_error;
}
if (strcmp(current, "y") == 0) {
gdata->assertOn = JNI_TRUE;
gdata->assertFatal = JNI_FALSE;
} else if (strcmp(current, "fatal") == 0) {
gdata->assertOn = JNI_TRUE;
gdata->assertFatal = JNI_TRUE;
} else if (strcmp(current, "n") == 0) {
gdata->assertOn = JNI_FALSE;
gdata->assertFatal = JNI_FALSE;
} else {
goto syntax_error;
}
current += strlen(current) + 1;
} else if (strcmp(buf, "pause") == 0) {
if ( !get_boolean(&str, &dopause) ) {
goto syntax_error;
}
if ( dopause ) {
do_pause();
}
} else if (strcmp(buf, "coredump") == 0) {
if ( !get_boolean(&str, &docoredump) ) {
goto syntax_error;
}
} else if (strcmp(buf, "errorexit") == 0) {
if ( !get_boolean(&str, &(gdata->doerrorexit)) ) {
goto syntax_error;
}
} else if (strcmp(buf, "exitpause") == 0) {
errmsg = "The exitpause option removed, use -XX:OnError";
goto bad_option_with_errmsg;
} else if (strcmp(buf, "precrash") == 0) {
errmsg = "The precrash option removed, use -XX:OnError";
goto bad_option_with_errmsg;
} else if (strcmp(buf, "logfile") == 0) {
/*LINTED*/
if (!get_tok(&str, current, (int)(end - current), ',')) {
goto syntax_error;
}
logfile = current;
current += strlen(current) + 1;
} else if (strcmp(buf, "logflags") == 0) {
/*LINTED*/
if (!get_tok(&str, current, (int)(end - current), ',')) {
goto syntax_error;
}
/*LINTED*/
logflags = (unsigned)strtol(current, NULL, 0);
} else if (strcmp(buf, "debugflags") == 0) {
/*LINTED*/
if (!get_tok(&str, current, (int)(end - current), ',')) {
goto syntax_error;
}
/*LINTED*/
gdata->debugflags = (unsigned)strtol(current, NULL, 0);
} else if ( strcmp(buf, "suspend")==0 ) {
if ( !get_boolean(&str, &suspendOnInit) ) {
goto syntax_error;
}
} else if ( strcmp(buf, "server")==0 ) {
if ( !get_boolean(&str, &isServer) ) {
goto syntax_error;
}
} else if ( strcmp(buf, "strict")==0 ) { /* Obsolete, but accept it */
if ( !get_boolean(&str, &isStrict) ) {
goto syntax_error;
}
} else if ( strcmp(buf, "quiet")==0 ) {
if ( !get_boolean(&str, &(gdata->quiet)) ) {
goto syntax_error;
}
} else if ( strcmp(buf, "onuncaught")==0 ) {
if ( !get_boolean(&str, &initOnUncaught) ) {
goto syntax_error;
}
} else if ( strcmp(buf, "mutf8")==0 ) {
if ( !get_boolean(&str, &(gdata->modifiedUtf8)) ) {
goto syntax_error;
}
} else if ( strcmp(buf, "stdalloc")==0 ) { /* Obsolete, but accept it */
if ( !get_boolean(&str, &useStandardAlloc) ) {
goto syntax_error;
}
} else {
goto syntax_error;
}
}
/* Setup logging now */
if ( logfile!=NULL ) {
setup_logging(logfile, logflags);
(void)atexit(&atexit_finish_logging);
}
if (bagSize(transports) == 0) {
errmsg = "no transport specified";
goto bad_option_with_errmsg;
}
/*
* TO DO: Remove when multiple transports are allowed. (replace with
* check below.
*/
if (bagSize(transports) > 1) {
errmsg = "multiple transports are not supported in this release";
goto bad_option_with_errmsg;
}
if (!isServer) {
jboolean specified = bagEnumerateOver(transports, checkAddress, NULL);
if (!specified) {
/* message already printed */
goto bad_option_no_msg;
}
}
/*
* The user has selected to wait for an exception before init happens
*/
if ((initOnException != NULL) || (initOnUncaught)) {
initOnStartup = JNI_FALSE;
if (launchOnInit == NULL) {
/*
* These rely on the launch=/usr/bin/foo
* suboption, so it is an error if user did not
* provide one.
*/
errmsg = "Specify launch=<command line> when using onthrow or onuncaught suboption";
goto bad_option_with_errmsg;
}
}
return JNI_TRUE;
syntax_error:
ERROR_MESSAGE(("JDWP option syntax error: %s=%s", AGENTLIB, options));
return JNI_FALSE;
bad_option_with_errmsg:
ERROR_MESSAGE(("JDWP %s: %s=%s", errmsg, AGENTLIB, options));
return JNI_FALSE;
bad_option_no_msg:
ERROR_MESSAGE(("JDWP %s: %s=%s", "invalid option", AGENTLIB, options));
return JNI_FALSE;
}
struct bag *
eventHelper_createEventBag(void)
{
return bagCreateBag(sizeof(CommandSingle), 5 /* events */ );
}
