deoptimizer-riscv.cc

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// Copyright 2021 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#include "src/deoptimizer/deoptimizer.h"
 
namespace v8 {
namespace internal {
 
const int Deoptimizer::kEagerDeoptExitSize = 2 * kInstrSize;
const int Deoptimizer::kLazyDeoptExitSize = 2 * kInstrSize;
 
const int Deoptimizer::kAdaptShadowStackOffsetToSubtract = 0;
 
// static
void Deoptimizer::PatchToJump(Address pc, Address new_pc) { UNREACHABLE(); }
 
Float32 RegisterValues::GetFloatRegister(unsigned n) const {
  return Float32::FromBits(
      static_cast<uint32_t>(double_registers_[n].get_bits()));
}
Float64 RegisterValues::GetDoubleRegister(unsigned n) const {
  return Float64::FromBits(
      static_cast<uint64_t>(double_registers_[n].get_bits()));
}
 
void RegisterValues::SetDoubleRegister(unsigned n, Float64 value) {
  base::WriteUnalignedValue<Float64>(
      reinterpret_cast<Address>(double_registers_ + n), value);
}
 
void FrameDescription::SetCallerPc(unsigned offset, intptr_t value) {
  SetFrameSlot(offset, value);
}
 
void FrameDescription::SetCallerFp(unsigned offset, intptr_t value) {
  SetFrameSlot(offset, value);
}
 
void FrameDescription::SetCallerConstantPool(unsigned offset, intptr_t value) {
  // No embedded constant pool support.
  UNREACHABLE();
}
 
void FrameDescription::SetPc(intptr_t pc) { pc_ = pc; }
 
}  // namespace internal
}  // namespace v8