mozjs_sys 0.67.1

System crate for the Mozilla SpiderMonkey JavaScript engine.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 * vim: set ts=8 sts=2 et sw=2 tw=80:
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "jit/Bailouts.h"

using namespace js;
using namespace js::jit;

BailoutFrameInfo::BailoutFrameInfo(const JitActivationIterator& activations,
                                   InvalidationBailoutStack* bailout)
    : machine_(bailout->machine()) {
  framePointer_ = (uint8_t*)bailout->fp();
  topFrameSize_ = framePointer_ - bailout->sp();
  topIonScript_ = bailout->ionScript();
  attachOnJitActivation(activations);

  uint8_t* returnAddressToFp_ = bailout->osiPointReturnAddress();
  const OsiIndex* osiIndex = topIonScript_->getOsiIndex(returnAddressToFp_);
  snapshotOffset_ = osiIndex->snapshotOffset();
}