stacktrace.c

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00001 /*
00002  * Copyright (c) 2010 Martin Decky
00003  * All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions
00007  * are met:
00008  *
00009  * - Redistributions of source code must retain the above copyright
00010  *   notice, this list of conditions and the following disclaimer.
00011  * - Redistributions in binary form must reproduce the above copyright
00012  *   notice, this list of conditions and the following disclaimer in the
00013  *   documentation and/or other materials provided with the distribution.
00014  * - The name of the author may not be used to endorse or promote products
00015  *   derived from this software without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
00018  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00019  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
00020  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
00021  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
00022  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
00023  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
00024  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00025  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
00026  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00027  */
00028 
00032 #include <sys/types.h>
00033 #include <unistd.h>
00034 #include <bool.h>
00035 #include <stacktrace.h>
00036 
00037 bool stacktrace_fp_valid(stacktrace_t *st, uintptr_t fp)
00038 {
00039         return true;
00040 }
00041 
00042 int stacktrace_fp_prev(stacktrace_t *st, uintptr_t fp, uintptr_t *prev)
00043 {
00044         return 0;
00045 }
00046 
00047 int stacktrace_ra_get(stacktrace_t *st, uintptr_t fp, uintptr_t *ra)
00048 {
00049         return 0;
00050 }
00051 
00052 void stacktrace_prepare(void)
00053 {
00054 }
00055 
00056 uintptr_t stacktrace_fp_get(void)
00057 {
00058         return (uintptr_t) NULL;
00059 }
00060 
00061 uintptr_t stacktrace_pc_get(void)
00062 {
00063         return (uintptr_t) NULL;
00064 }
00065 

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