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 #include "go-string.h"
  11
  12 /* Print a stack trace for the current goroutine.  */
  13
  14 void
  15 runtime_traceback ()
  16 {
  17   uintptr pcbuf[100];
  18   int32 c;
  19
  20   c = runtime_callers (1, pcbuf, sizeof pcbuf / sizeof pcbuf[0]);
  21   runtime_printtrace (pcbuf, c);
  22 }
  23
  24 void
  25 runtime_printtrace (uintptr *pcbuf, int32 c)
  26 {
  27   int32 i;
  28
  29   for (i = 0; i < c; ++i)
  30     {
  31       struct __go_string fn;
  32       struct __go_string file;
  33       int line;
  34
  35       if (__go_file_line (pcbuf[i], &fn, &file, &line)
  36           && runtime_showframe (fn.__data))
  37         {
  38           runtime_printf ("%S\n", fn);
  39           runtime_printf ("\t%S:%d\n", file, line);
  40         }
  41     }
  42 }