55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
/* Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public License as
|
|
published by the Free Software Foundation; either version 2 of the
|
|
License, or (at your option) any later version.
|
|
|
|
The GNU C Library 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#include <errno.h>
|
|
#include <sys/types.h>
|
|
#include <sys/ptrace.h>
|
|
#include <stdarg.h>
|
|
|
|
#include <sysdep.h>
|
|
#include <sys/syscall.h>
|
|
|
|
extern long int __syscall_ptrace (int, pid_t, void *, void *);
|
|
|
|
long int
|
|
ptrace (enum __ptrace_request request, ...)
|
|
{
|
|
long int res, ret;
|
|
va_list ap;
|
|
pid_t pid;
|
|
void *addr, *data;
|
|
|
|
va_start (ap, request);
|
|
pid = va_arg (ap, pid_t);
|
|
addr = va_arg (ap, void *);
|
|
data = va_arg (ap, void *);
|
|
va_end (ap);
|
|
|
|
if (request > 0 && request < 4)
|
|
data = &ret;
|
|
|
|
res = INLINE_SYSCALL (ptrace, 4, request, pid, addr, data);
|
|
if (res >= 0 && request > 0 && request < 4)
|
|
{
|
|
__set_errno (0);
|
|
return ret;
|
|
}
|
|
|
|
return res;
|
|
}
|