Mercurial > hg > truffle
comparison 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 |
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date | Mon, 12 Nov 2012 14:03:53 -0800 |
parents | da91efe96a93 |
children | fcc9e7681d63 |
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6965:3be318ecfae5 | 6972:bd7a7ce2e264 |
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151 return as_C_string(str, buf_len); | 151 return as_C_string(str, buf_len); |
152 } | 152 } |
153 | 153 |
154 void Symbol::print_symbol_on(outputStream* st) const { | 154 void Symbol::print_symbol_on(outputStream* st) const { |
155 st = st ? st : tty; | 155 st = st ? st : tty; |
156 int length = UTF8::unicode_length((const char*)bytes(), utf8_length()); | 156 st->print("%s", as_quoted_ascii()); |
157 const char *ptr = (const char *)bytes(); | 157 } |
158 jchar value; | 158 |
159 for (int index = 0; index < length; index++) { | 159 char* Symbol::as_quoted_ascii() const { |
160 ptr = UTF8::next(ptr, &value); | 160 const char *ptr = (const char *)&_body[0]; |
161 if (value >= 32 && value < 127 || value == '\'' || value == '\\') { | 161 int quoted_length = UTF8::quoted_ascii_length(ptr, utf8_length()); |
162 st->put(value); | 162 char* result = NEW_RESOURCE_ARRAY(char, quoted_length + 1); |
163 } else { | 163 UTF8::as_quoted_ascii(ptr, result, quoted_length + 1); |
164 st->print("\\u%04x", value); | 164 return result; |
165 } | |
166 } | |
167 } | 165 } |
168 | 166 |
169 jchar* Symbol::as_unicode(int& length) const { | 167 jchar* Symbol::as_unicode(int& length) const { |
170 Symbol* this_ptr = (Symbol*)this; | 168 Symbol* this_ptr = (Symbol*)this; |
171 length = UTF8::unicode_length((char*)this_ptr->bytes(), utf8_length()); | 169 length = UTF8::unicode_length((char*)this_ptr->bytes(), utf8_length()); |