Mercurial > hg > truffle
diff src/share/vm/oops/symbol.cpp @ 6972:bd7a7ce2e264
6830717: replay of compilations would help with debugging
Summary: When java process crashed in compiler thread, repeat the compilation process will help finding root cause. This is done with using SA dump application class data and replay data from core dump, then use debug version of jvm to recompile the problematic java method.
Reviewed-by: kvn, twisti, sspitsyn
Contributed-by: yumin.qi@oracle.com
author | minqi |
---|---|
date | Mon, 12 Nov 2012 14:03:53 -0800 |
parents | da91efe96a93 |
children | fcc9e7681d63 |
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--- a/src/share/vm/oops/symbol.cpp Fri Nov 09 08:36:17 2012 -0800 +++ b/src/share/vm/oops/symbol.cpp Mon Nov 12 14:03:53 2012 -0800 @@ -153,17 +153,15 @@ void Symbol::print_symbol_on(outputStream* st) const { st = st ? st : tty; - int length = UTF8::unicode_length((const char*)bytes(), utf8_length()); - const char *ptr = (const char *)bytes(); - jchar value; - for (int index = 0; index < length; index++) { - ptr = UTF8::next(ptr, &value); - if (value >= 32 && value < 127 || value == '\'' || value == '\\') { - st->put(value); - } else { - st->print("\\u%04x", value); - } - } + st->print("%s", as_quoted_ascii()); +} + +char* Symbol::as_quoted_ascii() const { + const char *ptr = (const char *)&_body[0]; + int quoted_length = UTF8::quoted_ascii_length(ptr, utf8_length()); + char* result = NEW_RESOURCE_ARRAY(char, quoted_length + 1); + UTF8::as_quoted_ascii(ptr, result, quoted_length + 1); + return result; } jchar* Symbol::as_unicode(int& length) const {