1 /*
2  * Copyright (C) 2024 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 <linux/unistd.h>
18 
19 #include <cstddef>
20 
berberis_UnmapAndExit(void *,size_t,int)21 extern "C" [[gnu::naked]] [[gnu::noinline]] void berberis_UnmapAndExit(void* /*ptr*/,
22                                                                        size_t /*size*/,
23                                                                        int /*status*/) {
24   asm("li a7, %0\n"
25       "ecall\n"
26       "mv a0, a1\n"
27       "li a7, %1\n"
28       "ecall\n"
29       "ret\n"
30       :
31       : "i"(__NR_munmap), "i"(__NR_exit));
32 }
33