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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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15
hotspot/src/cpu/zero/vm/frame_zero.inline.hpp
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@ -45,27 +45,36 @@ inline frame::frame(ZeroFrame* zf, intptr_t* sp) {
case ZeroFrame::ENTRY_FRAME:
_pc = StubRoutines::call_stub_return_pc();
_cb = NULL;
_deopt_state = not_deoptimized;
break;
case ZeroFrame::INTERPRETER_FRAME:
_pc = NULL;
_cb = NULL;
_deopt_state = not_deoptimized;
break;
case ZeroFrame::SHARK_FRAME:
case ZeroFrame::SHARK_FRAME: {
_pc = zero_sharkframe()->pc();
_cb = CodeCache::find_blob_unsafe(pc());
address original_pc = nmethod::get_deopt_original_pc(this);
if (original_pc != NULL) {
_pc = original_pc;
_deopt_state = is_deoptimized;
} else {
_deopt_state = not_deoptimized;
}
break;
}
case ZeroFrame::FAKE_STUB_FRAME:
_pc = NULL;
_cb = NULL;
_deopt_state = not_deoptimized;
break;
default:
ShouldNotReachHere();
}
_deopt_state = not_deoptimized;
}
// Accessors