/*
* 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
/** @}
*/