1//===-- lib/runtime/allocator-registry.cpp ----------------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "flang-rt/runtime/allocator-registry.h"
10#include "flang-rt/runtime/terminator.h"
11
12namespace Fortran::runtime {
13
14#ifndef FLANG_RUNTIME_NO_GLOBAL_VAR_DEFS
15RT_OFFLOAD_VAR_GROUP_BEGIN
16RT_VAR_ATTRS AllocatorRegistry allocatorRegistry;
17RT_OFFLOAD_VAR_GROUP_END
18#endif // FLANG_RUNTIME_NO_GLOBAL_VAR_DEFS
19
20RT_OFFLOAD_API_GROUP_BEGIN
21RT_API_ATTRS void AllocatorRegistry::Register(int pos, Allocator_t allocator) {
22 // pos 0 is reserved for the default allocator and is registered in the
23 // struct ctor.
24 INTERNAL_CHECK(pos > 0 && pos < MAX_ALLOCATOR);
25 allocators[pos] = allocator;
26}
27
28RT_API_ATTRS AllocFct AllocatorRegistry::GetAllocator(int pos) {
29 INTERNAL_CHECK(pos >= 0 && pos < MAX_ALLOCATOR);
30 AllocFct f{allocators[pos].alloc};
31 INTERNAL_CHECK(f != nullptr);
32 return f;
33}
34
35RT_API_ATTRS FreeFct AllocatorRegistry::GetDeallocator(int pos) {
36 INTERNAL_CHECK(pos >= 0 && pos < MAX_ALLOCATOR);
37 FreeFct f{allocators[pos].free};
38 INTERNAL_CHECK(f != nullptr);
39 return f;
40}
41RT_OFFLOAD_API_GROUP_END
42} // namespace Fortran::runtime
43

source code of flang-rt/lib/runtime/allocator-registry.cpp