4G/code/debug/cm_backtrace/fault_handler/gcc/cmb_fault.S

/*
 * This file is part of the CmBacktrace Library.
 *
 * Copyright (c) 2016, Armink, <armink.ztl@gmail.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * 'Software'), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * Function: Fault handler by GCC assembly code
 * Created on: 2016-12-16
 */

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/* NOTE: If use this file's HardFault_Handler, please comments the HardFault_Handler code on other file. */

.global HardFault_Handler
.type HardFault_Handler, %function
HardFault_Handler:
    MOV     r0, lr                  /* get lr */
    MOV     r1, sp                  /* get stack pointer (current is MSP) */
    BL      cm_backtrace_fault

Fault_Loop:
    BL      Fault_Loop              /* while(1) */