1
2/*--------------------------------------------------------------------*/
3/*--- Process-related libc stuff.              pub_core_libcproc.h ---*/
4/*--------------------------------------------------------------------*/
5
6/*
7   This file is part of Valgrind, a dynamic binary instrumentation
8   framework.
9
10   Copyright (C) 2000-2013 Julian Seward
11      jseward@acm.org
12
13   This program is free software; you can redistribute it and/or
14   modify it under the terms of the GNU General Public License as
15   published by the Free Software Foundation; either version 2 of the
16   License, or (at your option) any later version.
17
18   This program is distributed in the hope that it will be useful, but
19   WITHOUT ANY WARRANTY; without even the implied warranty of
20   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
21   General Public License for more details.
22
23   You should have received a copy of the GNU General Public License
24   along with this program; if not, write to the Free Software
25   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
26   02111-1307, USA.
27
28   The GNU General Public License is contained in the file COPYING.
29*/
30
31#ifndef __PUB_CORE_LIBCPROC_H
32#define __PUB_CORE_LIBCPROC_H
33
34//--------------------------------------------------------------------
35// PURPOSE: This module contains libc code related to the process.
36// It's a bit of a mixed bag.
37//--------------------------------------------------------------------
38
39#include "config.h"           // Crucial: ensure we get ENABLE_INNER
40#include "pub_tool_libcproc.h"
41
42/* The directory we look for all our auxillary files in.  Useful for
43   running Valgrind out of a build tree without having to do "make
44   install".  Inner valgrinds require a different lib variable, else
45   they end up picking up .so's etc intended for the outer
46   valgrind. */
47#ifdef ENABLE_INNER
48#  define VALGRIND_LIB     "VALGRIND_LIB_INNER"
49#else
50#  define VALGRIND_LIB     "VALGRIND_LIB"
51#endif
52
53/* Additional command-line arguments; they are overridden by actual
54   command-line option.  Each argument is separated by spaces.  There
55   is no quoting mechanism.  */
56#define VALGRIND_OPTS    "VALGRIND_OPTS"
57
58/* The full name of Valgrind's stage1 (launcher) executable.  This is
59   set by stage1 and read by stage2, and is used for recursive
60   invocations of Valgrind on child processes.
61
62   For self-hosting, the inner and outer Valgrinds must use different
63   names to avoid collisions.  */
64#ifdef ENABLE_INNER
65#  define VALGRIND_LAUNCHER  "VALGRIND_LAUNCHER_INNER"
66#else
67#  define VALGRIND_LAUNCHER  "VALGRIND_LAUNCHER"
68#endif
69
70
71// Environment manipulations
72extern HChar **VG_(env_setenv)   ( HChar ***envp, const HChar* varname,
73                                   const HChar *val );
74extern void    VG_(env_unsetenv) ( HChar **env, const HChar *varname );
75extern void    VG_(env_remove_valgrind_env_stuff) ( HChar** env );
76extern HChar **VG_(env_clone)    ( HChar **env_clone );
77
78// misc
79extern Int  VG_(getgroups)( Int size, UInt* list );
80extern Int  VG_(ptrace)( Int request, Int pid, void *addr, void *data );
81
82// atfork
83extern void VG_(do_atfork_pre)    ( ThreadId tid );
84extern void VG_(do_atfork_parent) ( ThreadId tid );
85extern void VG_(do_atfork_child)  ( ThreadId tid );
86
87// icache invalidation
88extern void VG_(invalidate_icache) ( void *ptr, SizeT nbytes );
89
90// dcache flushing
91extern void VG_(flush_dcache) ( void *ptr, SizeT nbytes );
92
93#endif   // __PUB_CORE_LIBCPROC_H
94
95/*--------------------------------------------------------------------*/
96/*--- end                                                          ---*/
97/*--------------------------------------------------------------------*/
98