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[VM runtime] Introduce a new VM class Bytecode.

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Allow pc_marker slot to hold a Code object or a new Bytecode object.

Change-Id: If11c1df6dafc5b1cfcce6f0322c36d1d68e86df9
Reviewed-on: https://dart-review.googlesource.com/c/82526
Commit-Queue: Régis Crelier <regis@google.com>
Reviewed-by: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
This commit is contained in:
Régis Crelier
2018-11-14 02:48:03 +00:00
committed by commit-bot@chromium.org
parent bea7be00e1
commit f721d52163
46 changed files with 790 additions and 488 deletions
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runtime/lib/stacktrace.cc
+10 -3
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@@ -145,15 +145,22 @@ static void AppendFrames(const GrowableObjectArray& code_list,
StackFrame* frame = frames.NextFrame();
ASSERT(frame != NULL); // We expect to find a dart invocation frame.
Code& code = Code::Handle();
Bytecode& bytecode = Bytecode::Handle();
Smi& offset = Smi::Handle();
while (frame != NULL) {
if (frame->IsDartFrame()) {
if (skip_frames > 0) {
skip_frames--;
} else {
code = frame->LookupDartCode();
offset = Smi::New(frame->pc() - code.PayloadStart());
code_list.Add(code);
if (frame->is_interpreted()) {
bytecode = frame->LookupDartBytecode();
offset = Smi::New(frame->pc() - bytecode.PayloadStart());
code_list.Add(bytecode);
} else {
code = frame->LookupDartCode();
offset = Smi::New(frame->pc() - code.PayloadStart());
code_list.Add(code);
}
pc_offset_list.Add(offset);
}
}