assert.c 2.0 KB

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  1. /* Copyright (C) 2013 by github.org/JamesC1
  2. *
  3. * Permission is hereby granted, free of charge, to any person obtaining a copy
  4. * of this software and associated documentation files (the "Software"), to deal
  5. * in the Software without restriction, including without limitation the rights
  6. * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  7. * copies of the Software, and to permit persons to whom the Software is
  8. * furnished to do so, subject to the following conditions:
  9. * The above copyright notice and this permission notice shall be included in
  10. * all copies or substantial portions of the Software.
  11. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  12. * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  13. * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  14. * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  15. * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  16. * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  17. * THE SOFTWARE.
  18. */
  19. /* Use of libgcc unwinder added by John Cronin 17/6/13 */
  20. #include "assert.h"
  21. #ifdef HAVE_UNWIND_H
  22. #include <unwind.h>
  23. #endif
  24. #include <stdio.h>
  25. #ifdef HAVE_UNWIND_H
  26. static _Unwind_Reason_Code unwind_cb(struct _Unwind_Context *ctx, void *trace_argument)
  27. {
  28. int *depth = (int *)trace_argument;
  29. printf("%i:\tFunction: %08x, IP: %08x\n", *depth, _Unwind_GetRegionStart(ctx),
  30. _Unwind_GetIP(ctx));
  31. (*depth)++;
  32. return _URC_NO_REASON;
  33. }
  34. void assertStackDump(void)
  35. {
  36. printf("\nStack dump:\n");
  37. int depth = 0;
  38. _Unwind_Backtrace(unwind_cb, &depth);
  39. }
  40. #else
  41. void assertStackDump(void) {
  42. uint32_t start = 0x12345678;
  43. int rowcount = 20;
  44. uint32_t *rowpos = &start;
  45. printf("\nStack dump:\n");
  46. while (rowcount--) {
  47. printf("%06x: %08x %08x %08x %08x %08x %08x %08x %08x\n",
  48. rowpos, rowpos[0], rowpos[1], rowpos[2], rowpos[3],
  49. rowpos[4], rowpos[5], rowpos[6], rowpos[7]);
  50. rowpos += 8;
  51. }
  52. }
  53. #endif