/* libmisc/_intercept.h - Interceptable ("weak") functions
 *
 * Copyright (C) 2024-2025  Luke T. Shumaker <lukeshu@lukeshu.com>
 * SPDX-License-Identifier: AGPL-3.0-or-later
 */

#ifndef _LIBMISC__INTERCEPT_H_
#define _LIBMISC__INTERCEPT_H_

/* pico-sdk/newlib defines abort() to be [[gnu::weak]] already, but
 * depending on optimization options glibc might not, and GCC might
 * assume it knows what it does and optimize it out.  So define our
 * own `__lm_` wrapper that GCC/glibc won't interfere with.
 */

[[noreturn]] void __lm_abort(void);

/* While newlib defines putchar() to be [[gnu::weak]], pico_stdio does
 * not.  Plus the above about optimizations.
 */

void __lm_putchar(unsigned char c);

#endif /* _LIBMISC__INTERCEPT_H_ */