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stack.h
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executable file
·52 lines (45 loc) · 1.98 KB
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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2018 Scott Shawcroft for Adafruit Industries
*
* 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_SUPERVISOR_STACK_H
#define MICROPY_INCLUDED_SUPERVISOR_STACK_H
#include <stddef.h>
#include "supervisor/memory.h"
void stack_init(void);
void stack_resize(void);
// Actual stack location and size, may be larger than requested.
uint32_t* stack_get_bottom(void);
size_t stack_get_length(void);
// Next/current requested stack size.
void set_next_stack_size(uint32_t size);
uint32_t get_current_stack_size(void);
bool stack_ok(void);
// Use this after any calls into a library which may use a lot of stack. This will raise a Python
// exception when the stack has likely overwritten a portion of the heap.
void assert_heap_ok(void);
#ifndef STACK_CANARY_VALUE
#define STACK_CANARY_VALUE 0x017829ef
#endif
#endif // MICROPY_INCLUDED_SUPERVISOR_STACK_H