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/* Low level Unix child interface to ptrace, for GDB when running under Unix.
Copyright 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
1998, 1999, 2000, 2001, 2002
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 2 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, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "defs.h"
#include "frame.h"
#include "inferior.h"
#include "target.h"
#include "gdb_string.h"
#include "regcache.h"
#include "gdb_wait.h"
#include "command.h"
#include <sys/types.h>
#include "gdb_dirent.h"
#include <sys/ptrace.h>
#include <machine/reg.h>
#include "i386-tdep.h"
#define ATTACH_DETACH
/* Start debugging the process whose number is PID. */
int
attach (int pid)
{
errno = 0;
if (pid == getpid())
ptrace (PT_TRACE_ME, pid, (PTRACE_ARG3_TYPE) 0, 0);
else
ptrace (PT_ATTACH, pid, (PTRACE_ARG3_TYPE) 0, 0);
if (errno)
perror_with_name ("ptrace");
attach_flag = 1;
return pid;
}
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