gdb/nbsd-nat.c

   1 /* Native-dependent code for NetBSD.
   2
   3    Copyright (C) 2006, 2007 Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 59 Temple Place - Suite 330,
  20    Boston, MA 02111-1307, USA.  */
  21
  22 #include "defs.h"
  23
  24 #include <sys/param.h>
  25
  26 #include "nbsd-nat.h"
  27
  28 /* Return a the name of file that can be opened to get the symbols for
  29    the child process identified by PID.  */
  30
  31 char *
  32 nbsd_pid_to_exec_file (int pid)
  33 {
  34   size_t len = MAXPATHLEN;
  35   char *buf = xcalloc (len, sizeof (char));
  36   char *path;
  37
  38   path = xstrprintf ("/proc/%d/exe", pid);
  39   if (readlink (path, buf, MAXPATHLEN) == -1)
  40     {
  41       xfree (buf);
  42       buf = NULL;
  43     }
  44
  45   xfree (path);
  46   return buf;
  47 }