mozjs_sys 0.67.1

System crate for the Mozilla SpiderMonkey JavaScript engine.
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/* -*- 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/shared/Assembler-shared.h"

#include "jit/MacroAssembler-inl.h"

using namespace js::jit;

void CodeLocationJump::repoint(JitCode* code, MacroAssembler* masm) {
  MOZ_ASSERT(state_ == Relative);
  size_t new_off = (size_t)raw_;
#ifdef JS_SMALL_BRANCH
  size_t jumpTableEntryOffset = reinterpret_cast<size_t>(jumpTableEntry_);
#endif
  if (masm != nullptr) {
#ifdef JS_CODEGEN_X64
    MOZ_ASSERT((uint64_t)raw_ <= UINT32_MAX);
#endif
    new_off = (uintptr_t)raw_;
#ifdef JS_SMALL_BRANCH
    jumpTableEntryOffset = masm->actualIndex(jumpTableEntryOffset);
#endif
  }
  raw_ = code->raw() + new_off;
#ifdef JS_SMALL_BRANCH
  jumpTableEntry_ =
      Assembler::PatchableJumpAddress(code, (size_t)jumpTableEntryOffset);
#endif
  setAbsolute();
}

void CodeLocationLabel::repoint(JitCode* code) {
  MOZ_ASSERT(state_ == Relative);
  uintptr_t new_off = uintptr_t(raw_);
  MOZ_ASSERT(new_off < code->instructionsSize());

  raw_ = code->raw() + new_off;
  setAbsolute();
}

void CodeOffsetJump::fixup(MacroAssembler* masm) {
#ifdef JS_SMALL_BRANCH
  jumpTableIndex_ = masm->actualIndex(jumpTableIndex_);
#endif
}