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8024423: JVMTI: GetLoadedClasses doesn't enumerate anonymous classes

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Rewrite of the getLoadedClasses() method implementation to include anonymous classes.

Reviewed-by: coleenp, sspitsyn
This commit is contained in:
Fredrik Arvidsson 2013-10-24 10:02:02 +02:00
parent e731a6d078
commit 508272e5f5
4 changed files with 97 additions and 60 deletions
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29
hotspot/src/share/vm/oops/instanceKlass.cpp
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@ -2393,15 +2393,38 @@ address InstanceKlass::static_field_addr(int offset) {
const char* InstanceKlass::signature_name() const {
int hash_len = 0;
char hash_buf[40];
// If this is an anonymous class, append a hash to make the name unique
if (is_anonymous()) {
assert(EnableInvokeDynamic, "EnableInvokeDynamic was not set.");
intptr_t hash = (java_mirror() != NULL) ? java_mirror()->identity_hash() : 0;
sprintf(hash_buf, "/" UINTX_FORMAT, (uintx)hash);
hash_len = (int)strlen(hash_buf);
}
// Get the internal name as a c string
const char* src = (const char*) (name()->as_C_string());
const int src_length = (int)strlen(src);
char* dest = NEW_RESOURCE_ARRAY(char, src_length + 3);
int src_index = 0;
char* dest = NEW_RESOURCE_ARRAY(char, src_length + hash_len + 3);
// Add L as type indicator
int dest_index = 0;
dest[dest_index++] = 'L';
while (src_index < src_length) {
// Add the actual class name
for (int src_index = 0; src_index < src_length; ) {
dest[dest_index++] = src[src_index++];
}
// If we have a hash, append it
for (int hash_index = 0; hash_index < hash_len; ) {
dest[dest_index++] = hash_buf[hash_index++];
}
// Add the semicolon and the NULL
dest[dest_index++] = ';';
dest[dest_index] = '\0';
return dest;