1ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--------------------------------------------------------------------*/ 3ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- Module-local header file for m_aspacemgr. ---*/ 4ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- priv_aspacemgr.h ---*/ 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) 2006-2011 OpenWorks LLP 12ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown info@open-works.co.uk 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#ifndef __PRIV_ASPACEMGR_H 33ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define __PRIV_ASPACEMGR_H 34ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 35ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* One of the important design goals of the address space manager is 36ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown to minimise dependence on other modules. Hence the following 37ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown minimal set of imports. */ 38ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 39ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "pub_core_basics.h" // types 40ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "pub_core_vkiscnums.h" // system call numbers 41ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "pub_core_vki.h" // VKI_PAGE_SIZE, VKI_MREMAP_MAYMOVE, 42ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown // VKI_MREMAP_FIXED, vki_stat64 43ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 44ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "pub_core_debuglog.h" // VG_(debugLog) 45ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 46ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "pub_core_libcbase.h" // VG_(strlen), VG_(strcmp), VG_(strncpy) 47ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown // VG_IS_PAGE_ALIGNED 48ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown // VG_PGROUNDDN, VG_PGROUNDUP 49ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 50ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "pub_core_syscall.h" // VG_(do_syscallN) 51ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown // VG_(mk_SysRes_Error) 52ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown // VG_(mk_SysRes_Success) 53ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 54ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "pub_core_options.h" // VG_(clo_sanity_level) 55ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 56ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "pub_core_aspacemgr.h" // self 57ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 58ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 59ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* --------------- Implemented in aspacemgr-common.c ---------------*/ 60ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 61ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* Simple assert-like, file I/O and syscall facilities, which avoid 62ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown dependence on m_libcassert, and hence on the entire module graph. 63ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown This is important since most of the system itself depends on 64ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown aspacem, so we have to do this to avoid a circular dependency. */ 65ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 66ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown__attribute__ ((noreturn)) 67ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern void ML_(am_exit) ( Int status ); 68ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern void ML_(am_barf) ( HChar* what ); 69ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern void ML_(am_barf_toolow) ( HChar* what ); 70ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 71ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown__attribute__ ((noreturn)) 72ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern void ML_(am_assert_fail) ( const HChar* expr, 73ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown const Char* file, 74ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int line, 75ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown const Char* fn ); 76ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 77ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define aspacem_assert(expr) \ 78ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ((void) ((expr) ? 0 : \ 79ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (ML_(am_assert_fail)(#expr, \ 80ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown __FILE__, __LINE__, \ 81ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown __PRETTY_FUNCTION__)))) 82ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 83ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* Dude, what's my process ID ? */ 84ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern Int ML_(am_getpid)( void ); 85ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 86ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* A simple, self-contained sprintf implementation. */ 87ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern UInt ML_(am_sprintf) ( HChar* buf, const HChar *format, ... ); 88ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 89ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* mmap et al wrappers */ 90ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* wrapper for munmap */ 91ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern SysRes ML_(am_do_munmap_NO_NOTIFY)(Addr start, SizeT length); 92ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 93ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* wrapper for the ghastly 'mremap' syscall */ 94ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern SysRes ML_(am_do_extend_mapping_NO_NOTIFY)( 95ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Addr old_addr, 96ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown SizeT old_len, 97ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown SizeT new_len 98ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ); 99ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* ditto */ 100ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern SysRes ML_(am_do_relocate_nooverlap_mapping_NO_NOTIFY)( 101ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Addr old_addr, Addr old_len, 102ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Addr new_addr, Addr new_len 103ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ); 104ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 105ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* There is also VG_(do_mmap_NO_NOTIFY), but that's not declared 106ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown here (obviously). */ 107ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 108ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern SysRes ML_(am_open) ( const Char* pathname, Int flags, Int mode ); 109ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern void ML_(am_close) ( Int fd ); 110ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern Int ML_(am_read) ( Int fd, void* buf, Int count); 111ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern Int ML_(am_readlink) ( HChar* path, HChar* buf, UInt bufsiz ); 112ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern Int ML_(am_fcntl) ( Int fd, Int cmd, Addr arg ); 113ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 114ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* Get the dev, inode and mode info for a file descriptor, if 115ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown possible. Returns True on success. */ 116ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern 117ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBool ML_(am_get_fd_d_i_m)( Int fd, 118ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*OUT*/ULong* dev, 119ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*OUT*/ULong* ino, /*OUT*/UInt* mode ); 120ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 121ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern 122ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBool ML_(am_resolve_filename) ( Int fd, /*OUT*/HChar* buf, Int nbuf ); 123ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 124b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov/* ------ Implemented separately in aspacemgr-linux.c ------ */ 125ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 126ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* Do a sanity check (/proc/self/maps sync check) */ 127ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern void ML_(am_do_sanity_check)( void ); 128ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 129ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 130ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#endif // __PRIV_ASPACEMGR_H 131ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 132ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--------------------------------------------------------------------*/ 133ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- end ---*/ 134ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--------------------------------------------------------------------*/ 135