1 // Copyright 2023 The Chromium Authors 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "build/build_config.h" 6 #include "partition_alloc/partition_alloc_base/compiler_specific.h" 7 #include "partition_alloc/partition_alloc_base/numerics/checked_math.h" 8 #include "partition_alloc/partition_alloc_buildflags.h" 9 #include "partition_alloc/shim/allocator_shim.h" 10 #include "partition_alloc/shim/checked_multiply_win.h" 11 12 #if BUILDFLAG(USE_PARTITION_ALLOC_AS_MALLOC) 13 #include "partition_alloc/shim/allocator_shim_default_dispatch_to_partition_alloc.h" 14 #endif 15 16 // No calls to malloc / new in this file. They would cause re-entrancy of 17 // the shim, which is hard to deal with. Keep this code as simple as possible 18 // and don't use any external C++ object here, not even //base ones. Even if 19 // they are safe to use today, in future they might be refactored. 20 21 #include "partition_alloc/shim/allocator_shim_functions.h" 22 #include "partition_alloc/shim/allocator_shim_override_ucrt_symbols_win.h" 23 24 // Cross-checks. 25 #if defined(COMPONENT_BUILD) || !BUILDFLAG(IS_WIN) 26 #error This code is only for Windows static build. 27 #endif 28 29 #if defined(MEMORY_TOOL_REPLACES_ALLOCATOR) 30 #error The allocator shim should not be compiled when building for memory tools. 31 #endif 32 33 #if (defined(__GNUC__) && defined(__EXCEPTIONS)) || \ 34 (defined(_MSC_VER) && defined(_CPPUNWIND)) 35 #error This code cannot be used when exceptions are turned on. 36 #endif 37