1 // RUN: %libomptarget-compilexx-run-and-check-generic
2 
3 #include <cstdio>
4 #include <cstdlib>
5 #include <vector>
6 #include <cinttypes>
7 
8 // Data structure definitions copied from OpenMP RTL.
9 struct MapComponentInfoTy {
10   void *Base;
11   void *Begin;
12   int64_t Size;
13   int64_t Type;
14   void *Name;
15   MapComponentInfoTy() = default;
16   MapComponentInfoTy(void *Base, void *Begin, int64_t Size, int64_t Type, void *Name)
17       : Base(Base), Begin(Begin), Size(Size), Type(Type), Name(Name) {}
18 };
19 
20 struct MapperComponentsTy {
21   std::vector<MapComponentInfoTy> Components;
22 };
23 
24 // OpenMP RTL interfaces
25 #ifdef __cplusplus
26 extern "C" {
27 #endif
28 int64_t __tgt_mapper_num_components(void *rt_mapper_handle);
29 void __tgt_push_mapper_component(void *rt_mapper_handle, void *base,
30                                  void *begin, int64_t size, int64_t type,
31                                  void *name);
32 #ifdef __cplusplus
33 }
34 #endif
35 
36 int main(int argc, char *argv[]) {
37   MapperComponentsTy MC;
38   void *base, *begin;
39   int64_t size, type;
40   // Push 2 elements into MC.
41   __tgt_push_mapper_component((void *)&MC, base, begin, size, type, nullptr);
42   __tgt_push_mapper_component((void *)&MC, base, begin, size, type, nullptr);
43   int64_t num = __tgt_mapper_num_components((void *)&MC);
44   // CHECK: num=2
45   printf("num=%" PRId64 "\n", num);
46   return 0;
47 }
48