1 /*
2  * Copyright (c) 2014 Wind River Systems, Inc.
3  * Copyright (c) 2016 Cadence Design Systems, Inc.
4  * SPDX-License-Identifier: Apache-2.0
5  */
6 
7 /**
8  * @file
9  * @brief Xtensa public exception handling
10  *
11  * Xtensa-specific kernel exception handling interface. Included by
12  * arch/xtensa/arch.h.
13  */
14 
15 #ifndef ZEPHYR_INCLUDE_ARCH_XTENSA_EXC_H_
16 #define ZEPHYR_INCLUDE_ARCH_XTENSA_EXC_H_
17 
18 #ifdef __cplusplus
19 extern "C" {
20 #endif
21 
22 #ifndef _ASMLANGUAGE
23 
24 /* Xtensa uses a variable length stack frame depending on how many
25  * register windows are in use.  This isn't a struct type, it just
26  * matches the register/stack-unit width.
27  */
28 typedef int z_arch_esf_t;
29 
30 void z_xtensa_dump_stack(const z_arch_esf_t *stack);
31 char *z_xtensa_exccause(unsigned int cause_code);
32 
33 #endif
34 
35 #ifdef __cplusplus
36 }
37 #endif
38 
39 
40 #endif /* ZEPHYR_INCLUDE_ARCH_XTENSA_EXC_H_ */
41