1ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--------------------------------------------------------------------*/ 3ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- Handlers for syscalls on minor variants of Linux kernels. ---*/ 4ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- syswrap-linux-variants.c ---*/ 5ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--------------------------------------------------------------------*/ 6ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 7ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* 8ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown This file is part of Valgrind, a dynamic binary instrumentation 9ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown framework. 10ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 11b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov Copyright (C) 2000-2011 Julian Seward 12ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown jseward@acm.org 13ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 14ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown This program is free software; you can redistribute it and/or 15ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown modify it under the terms of the GNU General Public License as 16ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown published by the Free Software Foundation; either version 2 of the 17ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown License, or (at your option) any later version. 18ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 19ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown This program is distributed in the hope that it will be useful, but 20ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown WITHOUT ANY WARRANTY; without even the implied warranty of 21ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 22ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown General Public License for more details. 23ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 24ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown You should have received a copy of the GNU General Public License 25ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown along with this program; if not, write to the Free Software 26ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 27ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 02111-1307, USA. 28ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 29ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown The GNU General Public License is contained in the file COPYING. 30ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown*/ 31ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 32ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#if defined(VGO_linux) 33ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 34ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* The files syswrap-generic.c, syswrap-linux.c, syswrap-*-linux.c, 35ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown and associated vki*.h header files, constitute Valgrind's model of how a 36ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown vanilla Linux kernel behaves with respect to syscalls. 37ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 38ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown On a few occasions, it is useful to run with a kernel that has some 39ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (minor) extensions to the vanilla model, either due to running on a 40ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown hacked kernel, or using a vanilla kernel which has incorporated a 41ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown custom kernel module. Rather than clutter the standard model, all 42ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown such variant handlers are placed in here. 43ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 44ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Unlike the C files for the standard model, this file should also 45ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown contain all constants/types needed for said wrappers. The vki*.h 46ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown headers should not be polluted with non-vanilla info. */ 47ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 48ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 49ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "pub_core_basics.h" 50ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "pub_core_vki.h" 51b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov#include "pub_core_libcsetjmp.h" // to keep _threadstate.h happy 52ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "pub_core_threadstate.h" 53ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "pub_core_aspacemgr.h" 54ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "pub_core_debuginfo.h" // VG_(di_notify_*) 55ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "pub_core_transtab.h" // VG_(discard_translations) 56ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "pub_core_debuglog.h" 57ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "pub_core_libcbase.h" 58ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "pub_core_libcassert.h" 59ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "pub_core_libcfile.h" 60ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "pub_core_libcprint.h" 61ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "pub_core_libcproc.h" 62ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "pub_core_mallocfree.h" 63ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "pub_core_tooliface.h" 64ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "pub_core_options.h" 65ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "pub_core_scheduler.h" 66ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "pub_core_signals.h" 67ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "pub_core_syscall.h" 68ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 69ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "priv_types_n_macros.h" 70ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "priv_syswrap-linux-variants.h" 71ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 72ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 73ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* --------------------------------------------------------------- 74ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BProc wrappers 75ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ------------------------------------------------------------ */ 76ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 77ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* Return 0 means hand to kernel, non-0 means fail w/ that value. */ 78ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownInt ML_(linux_variant_PRE_sys_bproc)( UWord arg1, UWord arg2, 79ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UWord arg3, UWord arg4, 80ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UWord arg5, UWord arg6 ) 81ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 82ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return 0; 83ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 84ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 85ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid ML_(linux_variant_POST_sys_bproc)( UWord arg1, UWord arg2, 86ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UWord arg3, UWord arg4, 87ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UWord arg5, UWord arg6 ) 88ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 89ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 90ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 91ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#endif // defined(VGO_linux) 92ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 93ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--------------------------------------------------------------------*/ 94ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- end ---*/ 95ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--------------------------------------------------------------------*/ 96