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
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
|
#if USE_DEBUGGER
/*
* kmp_debugger.c -- debugger support.
*/
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.txt for details.
//
//===----------------------------------------------------------------------===//
#include "kmp.h"
#include "kmp_lock.h"
#include "kmp_omp.h"
#include "kmp_str.h"
/*
NOTE: All variable names are known to the debugger, do not change!
*/
#ifdef __cplusplus
extern "C" {
extern kmp_omp_struct_info_t __kmp_omp_debug_struct_info;
} // extern "C"
#endif // __cplusplus
int __kmp_debugging = FALSE; // Boolean whether currently debugging OpenMP RTL.
#define offset_and_size_of( structure, field ) \
{ \
offsetof( structure, field ), \
sizeof( ( (structure *) NULL)->field ) \
}
#define offset_and_size_not_available \
{ -1, -1 }
#define addr_and_size_of( var ) \
{ \
(kmp_uint64)( & var ), \
sizeof( var ) \
}
#define nthr_buffer_size 1024
static kmp_int32
kmp_omp_nthr_info_buffer[ nthr_buffer_size ] =
{ nthr_buffer_size * sizeof( kmp_int32 ) };
/* TODO: Check punctuation for various platforms here */
static char func_microtask[] = "__kmp_invoke_microtask";
static char func_fork[] = "__kmpc_fork_call";
static char func_fork_teams[] = "__kmpc_fork_teams";
// Various info about runtime structures: addresses, field offsets, sizes, etc.
kmp_omp_struct_info_t
__kmp_omp_debug_struct_info = {
/* Change this only if you make a fundamental data structure change here */
KMP_OMP_VERSION,
/* sanity check. Only should be checked if versions are identical
* This is also used for backward compatibility to get the runtime
* structure size if it the runtime is older than the interface */
sizeof( kmp_omp_struct_info_t ),
/* OpenMP RTL version info. */
addr_and_size_of( __kmp_version_major ),
addr_and_size_of( __kmp_version_minor ),
addr_and_size_of( __kmp_version_build ),
addr_and_size_of( __kmp_openmp_version ),
{ (kmp_uint64)( __kmp_copyright ) + KMP_VERSION_MAGIC_LEN, 0 }, // Skip magic prefix.
/* Various globals. */
addr_and_size_of( __kmp_threads ),
addr_and_size_of( __kmp_root ),
addr_and_size_of( __kmp_threads_capacity ),
addr_and_size_of( __kmp_monitor ),
#if ! KMP_USE_DYNAMIC_LOCK
addr_and_size_of( __kmp_user_lock_table ),
#endif
addr_and_size_of( func_microtask ),
addr_and_size_of( func_fork ),
addr_and_size_of( func_fork_teams ),
addr_and_size_of( __kmp_team_counter ),
addr_and_size_of( __kmp_task_counter ),
addr_and_size_of( kmp_omp_nthr_info_buffer ),
sizeof( void * ),
OMP_LOCK_T_SIZE < sizeof(void *),
bs_last_barrier,
TASK_DEQUE_SIZE,
// thread structure information
sizeof( kmp_base_info_t ),
offset_and_size_of( kmp_base_info_t, th_info ),
offset_and_size_of( kmp_base_info_t, th_team ),
offset_and_size_of( kmp_base_info_t, th_root ),
offset_and_size_of( kmp_base_info_t, th_serial_team ),
offset_and_size_of( kmp_base_info_t, th_ident ),
offset_and_size_of( kmp_base_info_t, th_spin_here ),
offset_and_size_of( kmp_base_info_t, th_next_waiting ),
offset_and_size_of( kmp_base_info_t, th_task_team ),
offset_and_size_of( kmp_base_info_t, th_current_task ),
offset_and_size_of( kmp_base_info_t, th_task_state ),
offset_and_size_of( kmp_base_info_t, th_bar ),
offset_and_size_of( kmp_bstate_t, b_worker_arrived ),
#if OMP_40_ENABLED
// teams information
offset_and_size_of( kmp_base_info_t, th_teams_microtask),
offset_and_size_of( kmp_base_info_t, th_teams_level),
offset_and_size_of( kmp_teams_size_t, nteams ),
offset_and_size_of( kmp_teams_size_t, nth ),
#endif
// kmp_desc structure (for info field above)
sizeof( kmp_desc_base_t ),
offset_and_size_of( kmp_desc_base_t, ds_tid ),
offset_and_size_of( kmp_desc_base_t, ds_gtid ),
// On Windows* OS, ds_thread contains a thread /handle/, which is not usable, while thread /id/
// is in ds_thread_id.
#if KMP_OS_WINDOWS
offset_and_size_of( kmp_desc_base_t, ds_thread_id),
#else
offset_and_size_of( kmp_desc_base_t, ds_thread),
#endif
// team structure information
sizeof( kmp_base_team_t ),
offset_and_size_of( kmp_base_team_t, t_master_tid ),
offset_and_size_of( kmp_base_team_t, t_ident ),
offset_and_size_of( kmp_base_team_t, t_parent ),
offset_and_size_of( kmp_base_team_t, t_nproc ),
offset_and_size_of( kmp_base_team_t, t_threads ),
offset_and_size_of( kmp_base_team_t, t_serialized ),
offset_and_size_of( kmp_base_team_t, t_id ),
offset_and_size_of( kmp_base_team_t, t_pkfn ),
offset_and_size_of( kmp_base_team_t, t_task_team ),
offset_and_size_of( kmp_base_team_t, t_implicit_task_taskdata ),
#if OMP_40_ENABLED
offset_and_size_of( kmp_base_team_t, t_cancel_request ),
#endif
offset_and_size_of( kmp_base_team_t, t_bar ),
offset_and_size_of( kmp_balign_team_t, b_master_arrived ),
offset_and_size_of( kmp_balign_team_t, b_team_arrived ),
// root structure information
sizeof( kmp_base_root_t ),
offset_and_size_of( kmp_base_root_t, r_root_team ),
offset_and_size_of( kmp_base_root_t, r_hot_team ),
offset_and_size_of( kmp_base_root_t, r_uber_thread ),
offset_and_size_not_available,
// ident structure information
sizeof( ident_t ),
offset_and_size_of( ident_t, psource ),
offset_and_size_of( ident_t, flags ),
// lock structure information
sizeof( kmp_base_queuing_lock_t ),
offset_and_size_of( kmp_base_queuing_lock_t, initialized ),
offset_and_size_of( kmp_base_queuing_lock_t, location ),
offset_and_size_of( kmp_base_queuing_lock_t, tail_id ),
offset_and_size_of( kmp_base_queuing_lock_t, head_id ),
offset_and_size_of( kmp_base_queuing_lock_t, next_ticket ),
offset_and_size_of( kmp_base_queuing_lock_t, now_serving ),
offset_and_size_of( kmp_base_queuing_lock_t, owner_id ),
offset_and_size_of( kmp_base_queuing_lock_t, depth_locked ),
offset_and_size_of( kmp_base_queuing_lock_t, flags ),
#if ! KMP_USE_DYNAMIC_LOCK
/* Lock table. */
sizeof( kmp_lock_table_t ),
offset_and_size_of( kmp_lock_table_t, used ),
offset_and_size_of( kmp_lock_table_t, allocated ),
offset_and_size_of( kmp_lock_table_t, table ),
#endif
// Task team structure information.
sizeof( kmp_base_task_team_t ),
offset_and_size_of( kmp_base_task_team_t, tt_threads_data ),
offset_and_size_of( kmp_base_task_team_t, tt_found_tasks ),
offset_and_size_of( kmp_base_task_team_t, tt_nproc ),
offset_and_size_of( kmp_base_task_team_t, tt_unfinished_threads ),
offset_and_size_of( kmp_base_task_team_t, tt_active ),
// task_data_t.
sizeof( kmp_taskdata_t ),
offset_and_size_of( kmp_taskdata_t, td_task_id ),
offset_and_size_of( kmp_taskdata_t, td_flags ),
offset_and_size_of( kmp_taskdata_t, td_team ),
offset_and_size_of( kmp_taskdata_t, td_parent ),
offset_and_size_of( kmp_taskdata_t, td_level ),
offset_and_size_of( kmp_taskdata_t, td_ident ),
offset_and_size_of( kmp_taskdata_t, td_allocated_child_tasks ),
offset_and_size_of( kmp_taskdata_t, td_incomplete_child_tasks ),
offset_and_size_of( kmp_taskdata_t, td_taskwait_ident ),
offset_and_size_of( kmp_taskdata_t, td_taskwait_counter ),
offset_and_size_of( kmp_taskdata_t, td_taskwait_thread ),
#if OMP_40_ENABLED
offset_and_size_of( kmp_taskdata_t, td_taskgroup ),
offset_and_size_of( kmp_taskgroup_t, count ),
offset_and_size_of( kmp_taskgroup_t, cancel_request ),
offset_and_size_of( kmp_taskdata_t, td_depnode ),
offset_and_size_of( kmp_depnode_list_t, node ),
offset_and_size_of( kmp_depnode_list_t, next ),
offset_and_size_of( kmp_base_depnode_t, successors ),
offset_and_size_of( kmp_base_depnode_t, task ),
offset_and_size_of( kmp_base_depnode_t, npredecessors ),
offset_and_size_of( kmp_base_depnode_t, nrefs ),
#endif
offset_and_size_of( kmp_task_t, routine ),
// thread_data_t.
sizeof( kmp_thread_data_t ),
offset_and_size_of( kmp_base_thread_data_t, td_deque ),
offset_and_size_of( kmp_base_thread_data_t, td_deque_head ),
offset_and_size_of( kmp_base_thread_data_t, td_deque_tail ),
offset_and_size_of( kmp_base_thread_data_t, td_deque_ntasks ),
offset_and_size_of( kmp_base_thread_data_t, td_deque_last_stolen ),
// The last field.
KMP_OMP_VERSION,
}; // __kmp_omp_debug_struct_info
#undef offset_and_size_of
#undef addr_and_size_of
/*
Intel compiler on IA-32 architecture issues a warning "conversion
from "unsigned long long" to "char *" may lose significant bits"
when 64-bit value is assigned to 32-bit pointer. Use this function
to suppress the warning.
*/
static inline
void *
__kmp_convert_to_ptr(
kmp_uint64 addr
) {
#if KMP_COMPILER_ICC
#pragma warning( push )
#pragma warning( disable: 810 ) // conversion from "unsigned long long" to "char *" may lose significant bits
#pragma warning( disable: 1195 ) // conversion from integer to smaller pointer
#endif // KMP_COMPILER_ICC
return (void *) addr;
#if KMP_COMPILER_ICC
#pragma warning( pop )
#endif // KMP_COMPILER_ICC
} // __kmp_convert_to_ptr
static int
kmp_location_match(
kmp_str_loc_t * loc,
kmp_omp_nthr_item_t * item
) {
int file_match = 0;
int func_match = 0;
int line_match = 0;
char * file = (char *) __kmp_convert_to_ptr( item->file );
char * func = (char *) __kmp_convert_to_ptr( item->func );
file_match = __kmp_str_fname_match( & loc->fname, file );
func_match =
item->func == 0 // If item->func is NULL, it allows any func name.
||
strcmp( func, "*" ) == 0
||
( loc->func != NULL && strcmp( loc->func, func ) == 0 );
line_match =
item->begin <= loc->line
&&
( item->end <= 0 || loc->line <= item->end ); // if item->end <= 0, it means "end of file".
return ( file_match && func_match && line_match );
} // kmp_location_match
int
__kmp_omp_num_threads(
ident_t const * ident
) {
int num_threads = 0;
kmp_omp_nthr_info_t * info =
(kmp_omp_nthr_info_t *) __kmp_convert_to_ptr( __kmp_omp_debug_struct_info.nthr_info.addr );
if ( info->num > 0 && info->array != 0 ) {
kmp_omp_nthr_item_t * items = (kmp_omp_nthr_item_t *) __kmp_convert_to_ptr( info->array );
kmp_str_loc_t loc = __kmp_str_loc_init( ident->psource, 1 );
int i;
for ( i = 0; i < info->num; ++ i ) {
if ( kmp_location_match( & loc, & items[ i ] ) ) {
num_threads = items[ i ].num_threads;
}; // if
}; // for
__kmp_str_loc_free( & loc );
}; // if
return num_threads;;
} // __kmp_omp_num_threads
#endif /* USE_DEBUGGER */
|
