/**
 ******************************************************************************
 * Xenia : Xbox 360 Emulator Research Project                                 *
 ******************************************************************************
 * Copyright 2013 Ben Vanik. All rights reserved.                             *
 * Released under the BSD license - see LICENSE in the root for more details. *
 ******************************************************************************
 */

#include <alloy/backend/x64/x64_function.h>

#include <alloy/backend/x64/x64_backend.h>
#include <alloy/runtime/runtime.h>
#include <alloy/runtime/thread_state.h>

namespace alloy {
namespace backend {
namespace x64 {

using alloy::runtime::Breakpoint;
using alloy::runtime::Function;
using alloy::runtime::FunctionInfo;
using alloy::runtime::ThreadState;

X64Function::X64Function(FunctionInfo* symbol_info)
    : Function(symbol_info), machine_code_(nullptr), code_size_(0) {}

X64Function::~X64Function() {
  // machine_code_ is freed by code cache.
}

void X64Function::Setup(void* machine_code, size_t code_size) {
  machine_code_ = machine_code;
  code_size_ = code_size;
}

int X64Function::AddBreakpointImpl(Breakpoint* breakpoint) { return 0; }

int X64Function::RemoveBreakpointImpl(Breakpoint* breakpoint) { return 0; }

int X64Function::CallImpl(ThreadState* thread_state, uint64_t return_address) {
  auto backend = (X64Backend*)thread_state->runtime()->backend();
  auto thunk = backend->host_to_guest_thunk();
  thunk(machine_code_, thread_state->raw_context(), (void*)return_address);
  return 0;
}

}  // namespace x64
}  // namespace backend
}  // namespace alloy