1/* ********************************************************************* 2 * Broadcom Common Firmware Environment (CFE) 3 * 4 * Exception Handler definitions File: lib_try.h 5 * 6 * Exception handler functions and constants 7 * 8 * Author: Binh Vo 9 * 10 ********************************************************************* 11 * 12 * Copyright 2000,2001,2002,2003 13 * Broadcom Corporation. All rights reserved. 14 * 15 * This software is furnished under license and may be used and 16 * copied only in accordance with the following terms and 17 * conditions. Subject to these conditions, you may download, 18 * copy, install, use, modify and distribute modified or unmodified 19 * copies of this software in source and/or binary form. No title 20 * or ownership is transferred hereby. 21 * 22 * 1) Any source code used, modified or distributed must reproduce 23 * and retain this copyright notice and list of conditions 24 * as they appear in the source file. 25 * 26 * 2) No right is granted to use any trade name, trademark, or 27 * logo of Broadcom Corporation. The "Broadcom Corporation" 28 * name may not be used to endorse or promote products derived 29 * from this software without the prior written permission of 30 * Broadcom Corporation. 31 * 32 * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR 33 * IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED 34 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 35 * PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT 36 * SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN 37 * PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT, 38 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 39 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 40 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 41 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 42 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 43 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE), EVEN IF ADVISED OF 44 * THE POSSIBILITY OF SUCH DAMAGE. 45 ********************************************************************* */ 46 47#ifndef _LIB_SETJMP_H 48#include "lib_setjmp.h" 49#endif 50 51#ifndef _LIB_QUEUE_H 52#include "lib_queue.h" 53#endif 54 55 56#define EXC_NORMAL_RETURN 0 57#define EXC_CHAIN_EXC 1 58 59 60typedef struct jmpbuf_s { 61 queue_t stack; 62 jmp_buf jmpbuf; 63} jmpbuf_t; 64 65typedef struct exc_handler_s { 66 int catch_exc; 67 int chain_exc; 68 queue_t jmpbuf_stack; 69} exc_handler_t; 70 71extern exc_handler_t exc_handler; 72 73jmpbuf_t *exc_initialize_block(void); 74void exc_cleanup_block(jmpbuf_t *); 75void exc_cleanup_handler(jmpbuf_t *, int); 76void exc_longjmp_handler(void); 77 78#define exc_try(jb) (lib_setjmp(((jb)->jmpbuf))) 79 80#define exc_init() exc_handler.catch_exc = 0; q_init( &(exc_handler.jmpbuf_stack)); 81 82 83