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
|
/* metacall_impl.c -*-C-*-
*
*************************************************************************
*
* Copyright (C) 2009-2011
* Intel Corporation
*
* This file is part of the Intel Cilk Plus Library. This library 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 3, or (at your option)
* any later version.
*
* This library 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.
*
* Under Section 7 of GPL version 3, you are granted additional
* permissions described in the GCC Runtime Library Exception, version
* 3.1, as published by the Free Software Foundation.
*
* You should have received a copy of the GNU General Public License and
* a copy of the GCC Runtime Library Exception along with this program;
* see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
* <http://www.gnu.org/licenses/>.
**************************************************************************/
#include "metacall_impl.h"
NOINLINE
CILK_API_VOID
__cilkrts_metacall(unsigned int tool, unsigned int code, void *data)
{
// The metacall type, code and data are packed together into a single
// struct which will be interpreted by the tool. This function is the
// one and only use of a "cilkscreen_metacall" annotation
metacall_data_t d = { tool, code, data };
#ifdef ENABLE_NOTIFY_ZC_INTRINSIC
// Note that Inspector uses probe mode, and is implementing the metacall
// interface to force the runtime to run with a single worker. So
// __cilkrts_metacall must use __notify_intrinsic instead of
// __notify_zc_intrinsic
__notify_intrinsic("cilkscreen_metacall", &d);
#endif // ENABLE_NOTIFY_ZC_INTRINSIC
}
int __cilkrts_running_under_sequential_ptool(void)
{
static int running_under_sequential_ptool = -1;
volatile char c = ~0;
// If we haven't been called before, see if we're running under Cilkscreen
// or Cilkview
if (-1 == running_under_sequential_ptool)
{
// metacall #2 writes 0 in C if we are running under
// a p-tools that requires serial execution, and is a
// no-op otherwise
//
// Note that removing the volatile is required to prevent the compiler
// from assuming that the value has not changed
__cilkrts_metacall(METACALL_TOOL_SYSTEM,
HYPER_ZERO_IF_SEQUENTIAL_PTOOL, (void *)&c);
running_under_sequential_ptool = (0 == c);
}
return running_under_sequential_ptool;
}
/*
* __cilkrts_cilkscreen_establish_c_stack
*
* Notify Cilkscreen of the extent of the stack
*/
void __cilkrts_cilkscreen_establish_c_stack(char *begin, char *end)
{
char *limits[2] = {begin, end};
__cilkrts_metacall(METACALL_TOOL_SYSTEM, HYPER_ESTABLISH_C_STACK, limits);
}
#ifdef WORKSPAN // Workspan stuff - remove when we're sure what we can drop
void __cilkview_workspan_start(void) {
__cilkrts_metacall(HYPER_WORKSPAN_START, 0);
}
void __cilkview_workspan_stop(void) {
__cilkrts_metacall(HYPER_WORKSPAN_STOP, 0);
}
void __cilkview_workspan_dump(const char *str) {
__cilkrts_metacall(HYPER_WORKSPAN_DUMP, (void*)str);
}
void __cilkview_workspan_reset(void) {
__cilkrts_metacall(HYPER_WORKSPAN_RESET, 0);
}
void __cilkview_use_default_grain(void) {
__cilkrts_metacall(HYPER_USE_DEFAULT_GRAIN, 0);
}
void __cilkview_get_workspan_data(unsigned long long *values, int size)
{
void *data[2];
/* reset counters to zero in case we are not running under
a p-tool */
values[0] = 0;
data[0] = (void*) values;
data[1] = (void*) &size;
__cilkrts_metacall(HYPER_WORKSPAN_QUERY, &data);
}
void __cilkview_workspan_connected (int *flag) {
*flag = 0;
__cilkrts_metacall(HYPER_WORKSPAN_CONNECTED, (void *)flag);
}
void __cilkview_workspan_suspend() {
__cilkrts_metacall(HYPER_WORKSPAN_SUSPEND, 0);
}
void __cilkview_workspan_resume() {
__cilkrts_metacall(HYPER_WORKSPAN_RESUME, 0);
}
/* depreciated interfaces */
void __cilkometer_workspan_start(void) {
__cilkrts_metacall(HYPER_WORKSPAN_START, 0);
}
void __cilkometer_workspan_stop(void) {
__cilkrts_metacall(HYPER_WORKSPAN_STOP, 0);
}
void __cilkometer_workspan_dump(const char *str) {
__cilkrts_metacall(HYPER_WORKSPAN_DUMP, (void*)str);
}
void __cilkometer_workspan_reset(void) {
__cilkrts_metacall(HYPER_WORKSPAN_RESET, 0);
}
#endif // WORKSPAN
/* End metacall_impl.c */
|
