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6830717: replay of compilations would help with debugging

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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
This commit is contained in:
Yumin Qi 2012-11-12 14:03:53 -08:00 • committed by Yumin Qi
parent 8735609a8c
commit f712e12f98
54 changed files with 2160 additions and 78 deletions
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2
hotspot/src/share/vm/classfile/javaClasses.hpp
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@ -154,6 +154,8 @@ class java_lang_String : AllStatic {
static char* as_utf8_string(oop java_string, int start, int len);
static char* as_platform_dependent_str(Handle java_string, TRAPS);
static jchar* as_unicode_string(oop java_string, int& length);
// produce an ascii string with all other values quoted using \u####
static char* as_quoted_ascii(oop java_string);
// Compute the hash value for a java.lang.String object which would
// contain the characters passed in.