1 /*
2  * ompt-specific.h - header of OMPT internal functions implementation
3  */
4 
5 //===----------------------------------------------------------------------===//
6 //
7 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
8 // See https://llvm.org/LICENSE.txt for license information.
9 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef OMPT_SPECIFIC_H
14 #define OMPT_SPECIFIC_H
15 
16 #include "kmp.h"
17 
18 #if OMPT_SUPPORT
19 /*****************************************************************************
20  * forward declarations
21  ****************************************************************************/
22 
23 void __ompt_team_assign_id(kmp_team_t *team, ompt_data_t ompt_pid);
24 void __ompt_thread_assign_wait_id(void *variable);
25 
26 void __ompt_lw_taskteam_init(ompt_lw_taskteam_t *lwt, kmp_info_t *thr,
27                              int gtid, ompt_data_t *ompt_pid, void *codeptr);
28 
29 void __ompt_lw_taskteam_link(ompt_lw_taskteam_t *lwt, kmp_info_t *thr,
30                              int on_heap, bool always = false);
31 
32 void __ompt_lw_taskteam_unlink(kmp_info_t *thr);
33 
34 ompt_team_info_t *__ompt_get_teaminfo(int depth, int *size);
35 
36 ompt_task_info_t *__ompt_get_task_info_object(int depth);
37 
38 int __ompt_get_parallel_info_internal(int ancestor_level,
39                                       ompt_data_t **parallel_data,
40                                       int *team_size);
41 
42 int __ompt_get_task_info_internal(int ancestor_level, int *type,
43                                   ompt_data_t **task_data,
44                                   ompt_frame_t **task_frame,
45                                   ompt_data_t **parallel_data, int *thread_num);
46 
47 ompt_data_t *__ompt_get_thread_data_internal();
48 
49 /*
50  * Unused currently
51 static uint64_t __ompt_get_get_unique_id_internal();
52 */
53 
54 ompt_sync_region_t __ompt_get_barrier_kind(enum barrier_type, kmp_info_t *);
55 
56 /*****************************************************************************
57  * macros
58  ****************************************************************************/
59 
60 #define OMPT_CUR_TASK_INFO(thr) (&(thr->th.th_current_task->ompt_task_info))
61 #define OMPT_CUR_TASK_DATA(thr)                                                \
62   (&(thr->th.th_current_task->ompt_task_info.task_data))
63 #define OMPT_CUR_TEAM_INFO(thr) (&(thr->th.th_team->t.ompt_team_info))
64 #define OMPT_CUR_TEAM_DATA(thr)                                                \
65   (&(thr->th.th_team->t.ompt_team_info.parallel_data))
66 
67 #define OMPT_HAVE_WEAK_ATTRIBUTE KMP_HAVE_WEAK_ATTRIBUTE
68 #define OMPT_HAVE_PSAPI KMP_HAVE_PSAPI
69 #define OMPT_STR_MATCH(haystack, needle) __kmp_str_match(haystack, 0, needle)
70 
__ompt_load_return_address(int gtid)71 inline void *__ompt_load_return_address(int gtid) {
72   kmp_info_t *thr = __kmp_threads[gtid];
73   void *return_address = thr->th.ompt_thread_info.return_address;
74   thr->th.ompt_thread_info.return_address = NULL;
75   return return_address;
76 }
77 
78 #define OMPT_STORE_RETURN_ADDRESS(gtid)                                        \
79   if (ompt_enabled.enabled && gtid >= 0 && __kmp_threads[gtid] &&              \
80       !__kmp_threads[gtid]->th.ompt_thread_info.return_address)                \
81   __kmp_threads[gtid]->th.ompt_thread_info.return_address =                    \
82       __builtin_return_address(0)
83 #define OMPT_LOAD_RETURN_ADDRESS(gtid) __ompt_load_return_address(gtid)
84 
85 //******************************************************************************
86 // inline functions
87 //******************************************************************************
88 
ompt_get_thread_gtid(int gtid)89 inline kmp_info_t *ompt_get_thread_gtid(int gtid) {
90   return (gtid >= 0) ? __kmp_thread_from_gtid(gtid) : NULL;
91 }
92 
ompt_get_thread()93 inline kmp_info_t *ompt_get_thread() {
94   int gtid = __kmp_get_gtid();
95   return ompt_get_thread_gtid(gtid);
96 }
97 
ompt_set_thread_state(kmp_info_t * thread,ompt_state_t state)98 inline void ompt_set_thread_state(kmp_info_t *thread, ompt_state_t state) {
99   thread->th.ompt_thread_info.state = state;
100 }
101 
ompt_get_runtime_version()102 inline const char *ompt_get_runtime_version() {
103   return &__kmp_version_lib_ver[KMP_VERSION_MAGIC_LEN];
104 }
105 #endif // OMPT_SUPPRORT
106 
107 // macros providing the OMPT callbacks for reduction clause
108 #if OMPT_SUPPORT && OMPT_OPTIONAL
109 #define OMPT_REDUCTION_DECL(this_thr, gtid)                                    \
110   ompt_data_t *my_task_data = OMPT_CUR_TASK_DATA(this_thr);                    \
111   ompt_data_t *my_parallel_data = OMPT_CUR_TEAM_DATA(this_thr);                \
112   void *return_address = OMPT_LOAD_RETURN_ADDRESS(gtid);
113 #define OMPT_REDUCTION_BEGIN                                                   \
114   if (ompt_enabled.enabled && ompt_enabled.ompt_callback_reduction) {          \
115     ompt_callbacks.ompt_callback(ompt_callback_reduction)(                     \
116         ompt_sync_region_reduction, ompt_scope_begin, my_parallel_data,        \
117         my_task_data, return_address);                                         \
118   }
119 #define OMPT_REDUCTION_END                                                     \
120   if (ompt_enabled.enabled && ompt_enabled.ompt_callback_reduction) {          \
121     ompt_callbacks.ompt_callback(ompt_callback_reduction)(                     \
122         ompt_sync_region_reduction, ompt_scope_end, my_parallel_data,          \
123         my_task_data, return_address);                                         \
124   }
125 #else // OMPT_SUPPORT && OMPT_OPTIONAL
126 #define OMPT_REDUCTION_DECL(this_thr, gtid)
127 #define OMPT_REDUCTION_BEGIN
128 #define OMPT_REDUCTION_END
129 #endif // ! OMPT_SUPPORT && OMPT_OPTIONAL
130 
131 #endif
132