circuitpython/lib/utils/gchelper.h

51 lines
1.8 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2019 Damien P. George
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef MICROPY_INCLUDED_LIB_UTILS_GCHELPER_H
#define MICROPY_INCLUDED_LIB_UTILS_GCHELPER_H
#include <stdint.h>
#if MICROPY_GCREGS_SETJMP
#include <setjmp.h>
typedef jmp_buf gc_helper_regs_t;
#else
#if defined(__x86_64__)
typedef uintptr_t gc_helper_regs_t[6];
#elif defined(__i386__)
typedef uintptr_t gc_helper_regs_t[4];
#elif defined(__thumb2__) || defined(__thumb__) || defined(__arm__)
typedef uintptr_t gc_helper_regs_t[10];
#elif defined(__aarch64__)
typedef uintptr_t gc_helper_regs_t[11]; // x19-x29
#endif
#endif
void gc_helper_collect_regs_and_stack(void);
#endif // MICROPY_INCLUDED_LIB_UTILS_GCHELPER_H