uspace/lib/c/arch/abs32le/src/stacktrace.c

   1 /*
   2  * Copyright (c) 2010 Martin Decky
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * - Redistributions of source code must retain the above copyright
  10  *   notice, this list of conditions and the following disclaimer.
  11  * - Redistributions in binary form must reproduce the above copyright
  12  *   notice, this list of conditions and the following disclaimer in the
  13  *   documentation and/or other materials provided with the distribution.
  14  * - The name of the author may not be used to endorse or promote products
  15  *   derived from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 /** @file
  30  */
  31
  32 #include <sys/types.h>
  33 #include <stdbool.h>
  34 #include <stddef.h>
  35 #include <stacktrace.h>
  36
  37 bool stacktrace_fp_valid(stacktrace_t *st, uintptr_t fp)
  38 {
  39         return true;
  40 }
  41
  42 int stacktrace_fp_prev(stacktrace_t *st, uintptr_t fp, uintptr_t *prev)
  43 {
  44         return 0;
  45 }
  46
  47 int stacktrace_ra_get(stacktrace_t *st, uintptr_t fp, uintptr_t *ra)
  48 {
  49         return 0;
  50 }
  51
  52 void stacktrace_prepare(void)
  53 {
  54 }
  55
  56 uintptr_t stacktrace_fp_get(void)
  57 {
  58         return (uintptr_t) NULL;
  59 }
  60
  61 uintptr_t stacktrace_pc_get(void)
  62 {
  63         return (uintptr_t) NULL;
  64 }
  65
  66 /** @}
  67  */