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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
|
/* -*- mode: C; c-basic-offset: 3; indent-tabs-mode: nil; -*- */
/*
This file is part of drd, a thread error detector.
Copyright (C) 2006-2011 Bart Van Assche <bvanassche@acm.org>.
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.
*/
#include "drd_suppression.h"
#include "pub_drd_bitmap.h"
#include "pub_tool_libcassert.h" // tl_assert()
#include "pub_tool_stacktrace.h" // VG_(get_and_pp_StackTrace)()
#include "pub_tool_threadstate.h" // VG_(get_running_tid)()
#include "pub_tool_libcprint.h" // Vg_DebugMsg
/* Global variables. */
Bool DRD_(g_any_address_traced) = False;
/* Local variables. */
static struct bitmap* DRD_(s_suppressed);
static struct bitmap* DRD_(s_traced);
static Bool DRD_(s_trace_suppression);
/* Function definitions. */
void DRD_(suppression_set_trace)(const Bool trace_suppression)
{
DRD_(s_trace_suppression) = trace_suppression;
}
void DRD_(suppression_init)(void)
{
tl_assert(DRD_(s_suppressed) == 0);
tl_assert(DRD_(s_traced) == 0);
DRD_(s_suppressed) = DRD_(bm_new)();
DRD_(s_traced) = DRD_(bm_new)();
tl_assert(DRD_(s_suppressed));
tl_assert(DRD_(s_traced));
}
void DRD_(start_suppression)(const Addr a1, const Addr a2,
const char* const reason)
{
if (DRD_(s_trace_suppression))
{
VG_(message)(Vg_DebugMsg, "start suppression of 0x%lx sz %ld (%s)\n",
a1, a2 - a1, reason);
}
tl_assert(a1 <= a2);
DRD_(bm_access_range_store)(DRD_(s_suppressed), a1, a2);
}
void DRD_(finish_suppression)(const Addr a1, const Addr a2)
{
if (DRD_(s_trace_suppression))
{
VG_(message)(Vg_DebugMsg, "finish suppression of 0x%lx sz %ld\n",
a1, a2 - a1);
VG_(get_and_pp_StackTrace)(VG_(get_running_tid)(), 12);
}
tl_assert(a1 <= a2);
DRD_(bm_clear_store)(DRD_(s_suppressed), a1, a2);
}
/**
* Return true if data race detection suppression has been requested for all
* bytes in the range a1 .. a2 - 1 inclusive. Return false in case the range
* is only partially suppressed or not suppressed at all.
*/
Bool DRD_(is_suppressed)(const Addr a1, const Addr a2)
{
return DRD_(bm_has)(DRD_(s_suppressed), a1, a2, eStore);
}
/**
* Return true if data race detection suppression has been requested for any
* of the bytes in the range a1 .. a2 - 1 inclusive. Return false in case none
* of the bytes in the specified range is suppressed.
*/
Bool DRD_(is_any_suppressed)(const Addr a1, const Addr a2)
{
return DRD_(bm_has_any_store)(DRD_(s_suppressed), a1, a2);
}
void DRD_(mark_hbvar)(const Addr a1)
{
DRD_(bm_access_range_load)(DRD_(s_suppressed), a1, a1 + 1);
}
Bool DRD_(range_contains_suppression_or_hbvar)(const Addr a1, const Addr a2)
{
return DRD_(bm_has_any_access)(DRD_(s_suppressed), a1, a2);
}
void DRD_(start_tracing_address_range)(const Addr a1, const Addr a2)
{
tl_assert(a1 <= a2);
DRD_(bm_access_range_load)(DRD_(s_traced), a1, a2);
if (! DRD_(g_any_address_traced))
{
DRD_(g_any_address_traced) = True;
}
}
void DRD_(stop_tracing_address_range)(const Addr a1, const Addr a2)
{
tl_assert(a1 <= a2);
DRD_(bm_clear_load)(DRD_(s_traced), a1, a2);
if (DRD_(g_any_address_traced))
{
DRD_(g_any_address_traced)
= DRD_(bm_has_any_load)(DRD_(s_traced), 0, ~(Addr)0);
}
}
Bool DRD_(is_any_traced)(const Addr a1, const Addr a2)
{
return DRD_(bm_has_any_load)(DRD_(s_traced), a1, a2);
}
void DRD_(suppression_stop_using_mem)(const Addr a1, const Addr a2)
{
if (DRD_(s_trace_suppression))
{
Addr b;
for (b = a1; b < a2; b++)
{
if (DRD_(bm_has_1)(DRD_(s_suppressed), b, eStore))
{
VG_(message)(Vg_DebugMsg,
"stop_using_mem(0x%lx, %ld) finish suppression of"
" 0x%lx\n", a1, a2 - a1, b);
}
}
}
tl_assert(a1);
tl_assert(a1 <= a2);
DRD_(bm_clear)(DRD_(s_suppressed), a1, a2);
DRD_(bm_clear)(DRD_(s_traced), a1, a2);
}
|
