1/*
2 * This file is part of the MicroPython project, http://micropython.org/
3 *
4 * The MIT License (MIT)
5 *
6 * Copyright (c) 2019 Damien P. George
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 * copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 * THE SOFTWARE.
25 */
26#ifndef MICROPY_INCLUDED_LIB_UTILS_GCHELPER_H
27#define MICROPY_INCLUDED_LIB_UTILS_GCHELPER_H
28
29#include <stdint.h>
30
31#if MICROPY_GCREGS_SETJMP
32#include <setjmp.h>
33typedef jmp_buf gc_helper_regs_t;
34#else
35
36#if defined(__x86_64__)
37typedef uintptr_t gc_helper_regs_t[6];
38#elif defined(__i386__)
39typedef uintptr_t gc_helper_regs_t[4];
40#elif defined(__thumb2__) || defined(__thumb__) || defined(__arm__)
41typedef uintptr_t gc_helper_regs_t[10];
42#elif defined(__aarch64__)
43typedef uintptr_t gc_helper_regs_t[11]; // x19-x29
44#endif
45
46#endif
47
48void gc_helper_collect_regs_and_stack(void);
49
50#endif // MICROPY_INCLUDED_LIB_UTILS_GCHELPER_H
51