archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-26 06:14:49 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

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

Browse source 
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
Download patch file Download diff file Expand all files Collapse all files

3
hotspot/src/share/vm/code/debugInfoRec.cpp
View file

@ -280,6 +280,7 @@ int DebugInformationRecorder::find_sharable_decode_offset(int stream_offset) {
void DebugInformationRecorder::describe_scope(int pc_offset,
ciMethod* method,
int bci,
bool reexecute,
DebugToken* locals,
DebugToken* expressions,
DebugToken* monitors) {
@ -297,7 +298,7 @@ void DebugInformationRecorder::describe_scope(int pc_offset,
// serialize scope
jobject method_enc = (method == NULL)? NULL: method->encoding();
stream()->write_int(oop_recorder()->find_index(method_enc));
stream()->write_bci(bci);
stream()->write_bci_and_reexecute(bci, reexecute);
assert(method == NULL ||
(method->is_native() && bci == 0) ||
(!method->is_native() && 0 <= bci && bci < method->code_size()) ||