libgo/runtime/go-traceback.c

   1 /* go-traceback.c -- stack backtrace for Go.
   2
   3    Copyright 2012 The Go Authors. All rights reserved.
   4    Use of this source code is governed by a BSD-style
   5    license that can be found in the LICENSE file.  */
   6
   7 #include "config.h"
   8
   9 #include "runtime.h"
  10
  11 /* Print a stack trace for the current goroutine.  */
  12
  13 void
  14 runtime_traceback ()
  15 {
  16   Location locbuf[100];
  17   int32 c;
  18
  19   c = runtime_callers (1, locbuf, nelem (locbuf));
  20   runtime_printtrace (locbuf, c, true);
  21 }
  22
  23 void
  24 runtime_printtrace (Location *locbuf, int32 c, bool current)
  25 {
  26   int32 i;
  27
  28   for (i = 0; i < c; ++i)
  29     {
  30       if (runtime_showframe (locbuf[i].function, current))
  31         {
  32           runtime_printf ("%S\n", locbuf[i].function);
  33           runtime_printf ("\t%S:%D\n", locbuf[i].filename,
  34                           (int64) locbuf[i].lineno);
  35         }
  36     }
  37 }