/* * Copyright (c) 2009 Jakub Jermar * Copyright (c) 2010 Jiri Svoboda * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * - The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** @addtogroup libc * @{ */ /** @file */ #ifndef _LIBC_STACKTRACE_H_ #define _LIBC_STACKTRACE_H_ #include <errno.h> #include <stdint.h> #include <stdbool.h> typedef struct { errno_t (*read_uintptr)(void *, uintptr_t, uintptr_t *); int (*printf)(const char *, ...); } stacktrace_ops_t; typedef struct { void *op_arg; stacktrace_ops_t *ops; } stacktrace_t; extern void stacktrace_print(void); extern void stacktrace_kio_print(void); extern void stacktrace_print_fp_pc(uintptr_t, uintptr_t); extern void stacktrace_print_generic(stacktrace_ops_t *, void *, uintptr_t, uintptr_t); /* * The following interface is to be implemented by each architecture. */ extern bool stacktrace_fp_valid(stacktrace_t *, uintptr_t); extern errno_t stacktrace_fp_prev(stacktrace_t *, uintptr_t, uintptr_t *); extern errno_t stacktrace_ra_get(stacktrace_t *, uintptr_t, uintptr_t *); extern void stacktrace_prepare(void); extern uintptr_t stacktrace_fp_get(void); extern uintptr_t stacktrace_pc_get(void); #endif /** @} */