61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (c) 2017 Amaury Pouly
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include "system.h"
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#include "lcd.h"
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#include <execinfo.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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/* backtrace from the call-site of this function */
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void rb_backtrace(int pc, int sp, unsigned *line)
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{
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/* ignore SP and PC */
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(void) pc;
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(void) sp;
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/* backtrace */
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#define BT_BUF_SIZE 100
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void *buffer[BT_BUF_SIZE];
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int count = backtrace(buffer, BT_BUF_SIZE);
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/* print symbols to stdout for debug */
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fprintf(stdout, "backtrace:\n");
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fflush(stdout);
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backtrace_symbols_fd(buffer, count, STDOUT_FILENO);
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/* print on screen */
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char **strings;
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strings = backtrace_symbols(buffer, count);
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if(strings == NULL)
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{
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perror("backtrace_symbols");
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return;
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}
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for(int i = 0; i < count; i++)
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{
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lcd_putsf(0, (*line)++, " %s", buffer[i], strings[i]);
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lcd_update();
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}
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free(strings);
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}
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