-#if USE_MPROTECT_SNAPSHOT
-
-/** @brief Global mspace reference for the user's snapshotting heap
- * @todo use this ONLY for user's allocations, not for internal snapshotting
- * state */
-mspace user_snapshot_space = NULL;
-
-/** Check whether this is bootstrapped memory that we should not free */
-static bool DontFree(void *ptr)
-{
- return (ptr >= (&bootstrapmemory[0]) && ptr < (&bootstrapmemory[BOOTSTRAPBYTES]));
-}
-
-/** @brief Snapshotting malloc implementation for user programs */
-void *malloc(size_t size)
-{
- if (user_snapshot_space) {
- void *tmp = mspace_malloc(user_snapshot_space, size);
- ASSERT(tmp);
- return tmp;
- } else
- return HandleEarlyAllocationRequest(size);
-}
-
-/** @brief Snapshotting free implementation for user programs */
-void free(void * ptr)
-{
- if (!DontFree(ptr))
- mspace_free(user_snapshot_space, ptr);
-}
-
-/** @brief Snapshotting realloc implementation for user programs */
-void *realloc(void *ptr, size_t size)
-{
- void *tmp = mspace_realloc(user_snapshot_space, ptr, size);
- ASSERT(tmp);
- return tmp;
-}
-
-/** @brief Snapshotting calloc implementation for user programs */
-void * calloc(size_t num, size_t size)
-{
- if (user_snapshot_space) {
- void *tmp = mspace_calloc(user_snapshot_space, num, size);
- ASSERT(tmp);
- return tmp;
- } else {
- void *tmp = HandleEarlyAllocationRequest(size * num);
- std::memset(tmp, 0, size * num);
- return tmp;
- }
-}
-
-/** @brief Snapshotting new operator for user programs */
-void * operator new(size_t size) throw(std::bad_alloc)
-{
- return malloc(size);
-}
-
-/** @brief Snapshotting delete operator for user programs */
-void operator delete(void *p) throw()
-{
- free(p);
-}