1ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown
2ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--------------------------------------------------------------------*/
3ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- Misc client state info                pub_core_clientstate.h ---*/
4ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--------------------------------------------------------------------*/
5ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown
6ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*
7ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown   This file is part of Valgrind, a dynamic binary instrumentation
8ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown   framework.
9ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown
10436e89c602e787e7a27dd6624b09beed41a0da8aDmitriy Ivanov   Copyright (C) 2000-2013 Julian Seward
11ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown      jseward@acm.org
12ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown
13ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown   This program is free software; you can redistribute it and/or
14ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown   modify it under the terms of the GNU General Public License as
15ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown   published by the Free Software Foundation; either version 2 of the
16ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown   License, or (at your option) any later version.
17ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown
18ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown   This program is distributed in the hope that it will be useful, but
19ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown   WITHOUT ANY WARRANTY; without even the implied warranty of
20ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
21ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown   General Public License for more details.
22ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown
23ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown   You should have received a copy of the GNU General Public License
24ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown   along with this program; if not, write to the Free Software
25ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
26ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown   02111-1307, USA.
27ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown
28ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown   The GNU General Public License is contained in the file COPYING.
29ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown*/
30ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown
31ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#ifndef __PUB_CORE_CLIENTSTATE_H
32ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define __PUB_CORE_CLIENTSTATE_H
33ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown
34ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown//--------------------------------------------------------------------
35ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown// PURPOSE: This module holds various bits of client state which don't
36ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown// live comfortably anywhere else.  Note that the ThreadStates for the
37ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown// client don't live here; they instead live in m_threadstate.h.  Most
38ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown// of these values are set once at startup and not changed later.
39ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown//--------------------------------------------------------------------
40ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown
41ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "pub_tool_clientstate.h"
42ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown
43ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown// Address space globals
44ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown
45ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern Addr  VG_(clstk_base);	 // client stack range
46ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern Addr  VG_(clstk_end);
47ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern UWord VG_(clstk_id);      // client stack id
48ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown
49b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov/* linux only: where is the client auxv ? */
50b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov/* This is setup as part of setup_client_stack in initimg-linux.c. */
51b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanovextern UWord* VG_(client_auxv);
52b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov
53ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern Addr  VG_(brk_base);	 // start of brk
54ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern Addr  VG_(brk_limit);	 // current brk
55ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown
56ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* A fd which refers to the client executable. */
57ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern Int VG_(cl_exec_fd);
58ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown
59ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* A fd which refers to the fake /proc/<pid>/cmdline in /tmp.  The
60ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown   idea is: make up the /proc/<pid>/cmdline file the client would
61ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown   expect to see if it was running natively.  Copy into a file in
62ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown   /tmp.  When the client then does an open of /proc/<pid>/cmdline or
63ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown   /proc/self/cmdline, instead give it a file handle to the file in
64ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown   /tmp.  The problem of deleting said file when Valgrind exits is
65ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown   neatly sidestepped by unlinking it as soon as it has been created,
66ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown   but holding on to the file handle.  That causes the kernel to keep
67ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown   the file contents alive exactly until the process exits. */
68ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern Int VG_(cl_cmdline_fd);
69ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown
70436e89c602e787e7a27dd6624b09beed41a0da8aDmitriy Ivanov/* Same as above, but for /proc/<pid>/auxv. */
71436e89c602e787e7a27dd6624b09beed41a0da8aDmitriy Ivanovextern Int VG_(cl_auxv_fd);
72436e89c602e787e7a27dd6624b09beed41a0da8aDmitriy Ivanov
73ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown// Client's original rlimit data and rlimit stack
74ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern struct vki_rlimit VG_(client_rlimit_data);
75ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern struct vki_rlimit VG_(client_rlimit_stack);
76ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown
77ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown// Name of the launcher, as extracted from VALGRIND_LAUNCHER at
78ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown// startup.
79ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern HChar* VG_(name_of_launcher);
80ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown
81ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* Application-visible file descriptor limits */
82ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern Int VG_(fd_soft_limit);
83ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern Int VG_(fd_hard_limit);
84ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown
85ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* Useful addresses extracted from the client */
86ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* Where is the __libc_freeres_wrapper routine we made? */
87ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern Addr VG_(client___libc_freeres_wrapper);
88ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown
89ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* x86-linux only: where is ld.so's _dl_sysinfo_int80 function?
90ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown   Finding it isn't essential, but knowing where it is does sometimes
91ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown   help produce better back traces.  See big comment in
92ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown   VG_(get_StackTrace) in m_stacktrace.c for further info. */
93ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern Addr VG_(client__dl_sysinfo_int80);
94ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown
95ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown
96ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#endif   // __PUB_CORE_CLIENTSTATE_H
97ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown
98ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--------------------------------------------------------------------*/
99ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- end                                                          ---*/
100ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--------------------------------------------------------------------*/
101