| 1 | /*
|
|---|
| 2 | * Copyright (c) 2009 Jakub Jermar
|
|---|
| 3 | * Copyright (c) 2010 Jiri Svoboda
|
|---|
| 4 | * All rights reserved.
|
|---|
| 5 | *
|
|---|
| 6 | * Redistribution and use in source and binary forms, with or without
|
|---|
| 7 | * modification, are permitted provided that the following conditions
|
|---|
| 8 | * are met:
|
|---|
| 9 | *
|
|---|
| 10 | * - Redistributions of source code must retain the above copyright
|
|---|
| 11 | * notice, this list of conditions and the following disclaimer.
|
|---|
| 12 | * - Redistributions in binary form must reproduce the above copyright
|
|---|
| 13 | * notice, this list of conditions and the following disclaimer in the
|
|---|
| 14 | * documentation and/or other materials provided with the distribution.
|
|---|
| 15 | * - The name of the author may not be used to endorse or promote products
|
|---|
| 16 | * derived from this software without specific prior written permission.
|
|---|
| 17 | *
|
|---|
| 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|---|
| 19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|---|
| 20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|---|
| 21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|---|
| 22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|---|
| 23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|---|
| 24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|---|
| 25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|---|
| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|---|
| 27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|---|
| 28 | */
|
|---|
| 29 |
|
|---|
| 30 | /** @addtogroup libc
|
|---|
| 31 | * @{
|
|---|
| 32 | */
|
|---|
| 33 | /** @file
|
|---|
| 34 | */
|
|---|
| 35 |
|
|---|
| 36 | #ifndef LIBC_STACKTRACE_H_
|
|---|
| 37 | #define LIBC_STACKTRACE_H_
|
|---|
| 38 |
|
|---|
| 39 | #include <errno.h>
|
|---|
| 40 | #include <stdint.h>
|
|---|
| 41 | #include <stdbool.h>
|
|---|
| 42 |
|
|---|
| 43 | typedef struct {
|
|---|
| 44 | int (*read_uintptr)(void *, uintptr_t, uintptr_t *);
|
|---|
| 45 | } stacktrace_ops_t;
|
|---|
| 46 |
|
|---|
| 47 | typedef struct {
|
|---|
| 48 | void *op_arg;
|
|---|
| 49 | stacktrace_ops_t *ops;
|
|---|
| 50 | } stacktrace_t;
|
|---|
| 51 |
|
|---|
| 52 | extern void stacktrace_print(void);
|
|---|
| 53 | extern void stacktrace_print_fp_pc(uintptr_t, uintptr_t);
|
|---|
| 54 | extern void stacktrace_print_generic(stacktrace_ops_t *, void *, uintptr_t,
|
|---|
| 55 | uintptr_t);
|
|---|
| 56 |
|
|---|
| 57 | /*
|
|---|
| 58 | * The following interface is to be implemented by each architecture.
|
|---|
| 59 | */
|
|---|
| 60 | extern bool stacktrace_fp_valid(stacktrace_t *, uintptr_t);
|
|---|
| 61 | extern int stacktrace_fp_prev(stacktrace_t *, uintptr_t, uintptr_t *);
|
|---|
| 62 | extern int stacktrace_ra_get(stacktrace_t *, uintptr_t, uintptr_t *);
|
|---|
| 63 |
|
|---|
| 64 | extern void stacktrace_prepare(void);
|
|---|
| 65 | extern uintptr_t stacktrace_fp_get(void);
|
|---|
| 66 | extern uintptr_t stacktrace_pc_get(void);
|
|---|
| 67 |
|
|---|
| 68 | #endif
|
|---|
| 69 |
|
|---|
| 70 | /** @}
|
|---|
| 71 | */
|
|---|
