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