1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
/*--------------------------------------------------------------------*/
/*--- Module-local header file for m_aspacemgr. ---*/
/*--- priv_aspacemgr.h ---*/
/*--------------------------------------------------------------------*/
/*
This file is part of Valgrind, a dynamic binary instrumentation
framework.
Copyright (C) 2006-2011 OpenWorks LLP
info@open-works.co.uk
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307, USA.
The GNU General Public License is contained in the file COPYING.
*/
#ifndef __PRIV_ASPACEMGR_H
#define __PRIV_ASPACEMGR_H
/* One of the important design goals of the address space manager is
to minimise dependence on other modules. Hence the following
minimal set of imports. */
#include "pub_core_basics.h" // types
#include "pub_core_vkiscnums.h" // system call numbers
#include "pub_core_vki.h" // VKI_PAGE_SIZE, VKI_MREMAP_MAYMOVE,
// VKI_MREMAP_FIXED, vki_stat64
#include "pub_core_debuglog.h" // VG_(debugLog)
#include "pub_core_libcbase.h" // VG_(strlen), VG_(strcmp), VG_(strncpy)
// VG_IS_PAGE_ALIGNED
// VG_PGROUNDDN, VG_PGROUNDUP
#include "pub_core_syscall.h" // VG_(do_syscallN)
// VG_(mk_SysRes_Error)
// VG_(mk_SysRes_Success)
#include "pub_core_options.h" // VG_(clo_sanity_level)
#include "pub_core_aspacemgr.h" // self
/* --------------- Implemented in aspacemgr-common.c ---------------*/
/* Simple assert-like, file I/O and syscall facilities, which avoid
dependence on m_libcassert, and hence on the entire module graph.
This is important since most of the system itself depends on
aspacem, so we have to do this to avoid a circular dependency. */
__attribute__ ((noreturn))
extern void ML_(am_exit) ( Int status );
extern void ML_(am_barf) ( HChar* what );
extern void ML_(am_barf_toolow) ( HChar* what );
__attribute__ ((noreturn))
extern void ML_(am_assert_fail) ( const HChar* expr,
const Char* file,
Int line,
const Char* fn );
#define aspacem_assert(expr) \
((void) ((expr) ? 0 : \
(ML_(am_assert_fail)(#expr, \
__FILE__, __LINE__, \
__PRETTY_FUNCTION__))))
/* Dude, what's my process ID ? */
extern Int ML_(am_getpid)( void );
/* A simple, self-contained sprintf implementation. */
extern UInt ML_(am_sprintf) ( HChar* buf, const HChar *format, ... );
/* mmap et al wrappers */
/* wrapper for munmap */
extern SysRes ML_(am_do_munmap_NO_NOTIFY)(Addr start, SizeT length);
/* wrapper for the ghastly 'mremap' syscall */
extern SysRes ML_(am_do_extend_mapping_NO_NOTIFY)(
Addr old_addr,
SizeT old_len,
SizeT new_len
);
/* ditto */
extern SysRes ML_(am_do_relocate_nooverlap_mapping_NO_NOTIFY)(
Addr old_addr, Addr old_len,
Addr new_addr, Addr new_len
);
/* There is also VG_(do_mmap_NO_NOTIFY), but that's not declared
here (obviously). */
extern SysRes ML_(am_open) ( const Char* pathname, Int flags, Int mode );
extern void ML_(am_close) ( Int fd );
extern Int ML_(am_read) ( Int fd, void* buf, Int count);
extern Int ML_(am_readlink) ( HChar* path, HChar* buf, UInt bufsiz );
extern Int ML_(am_fcntl) ( Int fd, Int cmd, Addr arg );
/* Get the dev, inode and mode info for a file descriptor, if
possible. Returns True on success. */
extern
Bool ML_(am_get_fd_d_i_m)( Int fd,
/*OUT*/ULong* dev,
/*OUT*/ULong* ino, /*OUT*/UInt* mode );
extern
Bool ML_(am_resolve_filename) ( Int fd, /*OUT*/HChar* buf, Int nbuf );
/* ------ Implemented separately in aspacemgr-linux.c ------ */
/* Do a sanity check (/proc/self/maps sync check) */
extern void ML_(am_do_sanity_check)( void );
#endif // __PRIV_ASPACEMGR_H
/*--------------------------------------------------------------------*/
/*--- end ---*/
/*--------------------------------------------------------------------*/
|
