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6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot

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Developed a reexecute logic for the interpreter to reexecute the bytecode when deopt happens

Reviewed-by: kvn, never, jrose, twisti
This commit is contained in:
Changpeng Fang 2009-07-31 17:12:33 -07:00
parent f2ea22a547
commit ae00753bf7
29 changed files with 465 additions and 241 deletions
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5
hotspot/src/share/vm/classfile/javaClasses.cpp
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@ -1229,10 +1229,13 @@ void java_lang_Throwable::fill_in_stack_trace(Handle throwable, TRAPS) {
// Compiled java method case.
if (decode_offset != 0) {
bool dummy_reexecute = false;
DebugInfoReadStream stream(nm, decode_offset);
decode_offset = stream.read_int();
method = (methodOop)nm->oop_at(stream.read_int());
bci = stream.read_bci();
//fill_in_stack_trace does not need the reexecute information which is designed
//for the deopt to reexecute
bci = stream.read_bci_and_reexecute(dummy_reexecute);
} else {
if (fr.is_first_frame()) break;
address pc = fr.pc();