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8005817: Shark: implement deoptimization support

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Reviewed-by: twisti
This commit is contained in:
Roman Kennke 2013-01-11 16:47:23 -08:00 • committed by Christian Thalinger
parent a42478ecf4
commit a0a0d0b65e
5 changed files with 39 additions and 13 deletions
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18
hotspot/src/cpu/zero/vm/frame_zero.cpp
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@ -98,10 +98,20 @@ BasicObjectLock* frame::interpreter_frame_monitor_end() const {
#endif // CC_INTERP
void frame::patch_pc(Thread* thread, address pc) {
// We borrow this call to set the thread pointer in the interpreter
// state; the hook to set up deoptimized frames isn't supplied it.
assert(pc == NULL, "should be");
get_interpreterState()->set_thread((JavaThread *) thread);
if (pc != NULL) {
_cb = CodeCache::find_blob(pc);
SharkFrame* sharkframe = zeroframe()->as_shark_frame();
sharkframe->set_pc(pc);
_pc = pc;
_deopt_state = is_deoptimized;
} else {
// We borrow this call to set the thread pointer in the interpreter
// state; the hook to set up deoptimized frames isn't supplied it.
assert(pc == NULL, "should be");
get_interpreterState()->set_thread((JavaThread *) thread);
}
}
bool frame::safe_for_sender(JavaThread *thread) {