old-cross-binutils/gdb/nbsd-nat.c

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/* Native-dependent code for NetBSD.
Copyright (C) 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include <sys/param.h>
#include "nbsd-nat.h"
/* Return a the name of file that can be opened to get the symbols for
the child process identified by PID. */
char *
nbsd_pid_to_exec_file (int pid)
{
size_t len = MAXPATHLEN;
char *buf = xcalloc (len, sizeof (char));
char *path;
path = xstrprintf ("/proc/%d/exe", pid);
if (readlink (path, buf, MAXPATHLEN) == -1)
{
xfree (buf);
buf = NULL;
}
xfree (path);
return buf;
}