flang/runtime/memory.cpp

   1 //===-- runtime/memory.cpp ------------------------------------------------===//
   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/Runtime/memory.h"
  10 #include "terminator.h"
  11 #include "tools.h"
  12 #include "flang/Runtime/freestanding-tools.h"
  13 #include <cstdlib>
  14
  15 namespace Fortran::runtime {
  16 RT_OFFLOAD_API_GROUP_BEGIN
  17
  18 void *AllocateMemoryOrCrash(const Terminator &terminator, std::size_t bytes) {
  19   if (void *p{std::malloc(bytes)}) {
  20     return p;
  21   }
  22   if (bytes > 0) {
  23     terminator.Crash(
  24         "Fortran runtime internal error: out of memory, needed %zd bytes",
  25         bytes);
  26   }
  27   return nullptr;
  28 }
  29
  30 void *ReallocateMemoryOrCrash(
  31     const Terminator &terminator, void *ptr, std::size_t newByteSize) {
  32   if (void *p{Fortran::runtime::realloc(ptr, newByteSize)}) {
  33     return p;
  34   }
  35   if (newByteSize > 0) {
  36     terminator.Crash("Fortran runtime internal error: memory realloc returned "
  37                      "null, needed %zd bytes",
  38         newByteSize);
  39   }
  40   return nullptr;
  41 }
  42
  43 void FreeMemory(void *p) { std::free(p); }
  44
  45 RT_OFFLOAD_API_GROUP_END
  46 } // namespace Fortran::runtime