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8164612: NoSuchMethodException when method name contains NULL or Latin-1 supplement character

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String length needs to be updated when converting from unicode to utf8.

Reviewed-by: kvn, coleenp
This commit is contained in:
Tobias Hartmann 2016-10-26 14:36:05 +02:00
parent 82bdf29022
commit ed9adcbdfa
5 changed files with 81 additions and 50 deletions
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8
hotspot/src/share/vm/classfile/stringTable.cpp
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@ -437,17 +437,15 @@ void StringTable::dump(outputStream* st, bool verbose) {
st->print("%d: ", length);
} else {
ResourceMark rm(THREAD);
int utf8_length;
int utf8_length = length;
char* utf8_string;
if (!is_latin1) {
jchar* chars = value->char_at_addr(0);
utf8_length = UNICODE::utf8_length(chars, length);
utf8_string = UNICODE::as_utf8(chars, length);
utf8_string = UNICODE::as_utf8(chars, utf8_length);
} else {
jbyte* bytes = value->byte_at_addr(0);
utf8_length = UNICODE::utf8_length(bytes, length);
utf8_string = UNICODE::as_utf8(bytes, length);
utf8_string = UNICODE::as_utf8(bytes, utf8_length);
}
st->print("%d: ", utf8_length);