1 /*
2  * Copyright (C) 2023 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include "berberis/guest_abi/guest_call.h"
18 
19 #include "berberis/base/logging.h"
20 #include "berberis/runtime_primitives/runtime_library.h"
21 
22 namespace berberis {
23 
AddArgInt32(uint32_t arg)24 void GuestCall::AddArgInt32(uint32_t arg) {
25   AddArgInt64(arg);
26 }
27 
AddArgInt64(uint64_t arg)28 void GuestCall::AddArgInt64(uint64_t arg) {
29   CHECK_LT(buf_.argc, 8);
30   buf_.argv[buf_.argc++] = arg;
31 }
32 
RunVoid(GuestAddr func_addr)33 void GuestCall::RunVoid(GuestAddr func_addr) {
34   RunGuestCall(func_addr, &buf_);
35 }
36 
RunResInt32(GuestAddr func_addr)37 uint32_t GuestCall::RunResInt32(GuestAddr func_addr) {
38   return RunResInt64(func_addr);
39 }
40 
RunResInt64(GuestAddr func_addr)41 uint64_t GuestCall::RunResInt64(GuestAddr func_addr) {
42   buf_.resc = 1;
43   RunGuestCall(func_addr, &buf_);
44   return buf_.argv[0];
45 }
46 
47 }  // namespace berberis
48