diff options
Diffstat (limited to 'contrib/compiler-rt/lib/asan/asan_malloc_local.h')
| -rw-r--r-- | contrib/compiler-rt/lib/asan/asan_malloc_local.h | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/contrib/compiler-rt/lib/asan/asan_malloc_local.h b/contrib/compiler-rt/lib/asan/asan_malloc_local.h index 0e8de207d98d..3f784b90c739 100644 --- a/contrib/compiler-rt/lib/asan/asan_malloc_local.h +++ b/contrib/compiler-rt/lib/asan/asan_malloc_local.h @@ -1,9 +1,8 @@ //===-- asan_malloc_local.h -------------------------------------*- C++ -*-===// // -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // @@ -18,25 +17,34 @@ #include "sanitizer_common/sanitizer_platform.h" #include "asan_internal.h" -// On RTEMS, we use the local pool to handle memory allocation when the ASan -// run-time is not up. static INLINE bool EarlyMalloc() { - return SANITIZER_RTEMS && (!__asan::asan_inited || - __asan::asan_init_is_running); + return SANITIZER_RTEMS && + (!__asan::asan_inited || __asan::asan_init_is_running); } -void* MemalignFromLocalPool(uptr alignment, uptr size); - #if SANITIZER_RTEMS bool IsFromLocalPool(const void *ptr); +void *MemalignFromLocalPool(uptr alignment, uptr size); + +// On RTEMS, we use the local pool to handle memory allocation when the ASan +// run-time is not up. This macro is expanded in the context of the operator new +// implementation. +#define MAYBE_ALLOCATE_FROM_LOCAL_POOL(nothrow) \ + do { \ + if (UNLIKELY(EarlyMalloc())) { \ + void *res = MemalignFromLocalPool(SHADOW_GRANULARITY, size); \ + if (!nothrow) \ + CHECK(res); \ + return res; \ + } \ + } while (0) -#define ALLOCATE_FROM_LOCAL_POOL UNLIKELY(EarlyMalloc()) #define IS_FROM_LOCAL_POOL(ptr) UNLIKELY(IsFromLocalPool(ptr)) #else // SANITIZER_RTEMS -#define ALLOCATE_FROM_LOCAL_POOL 0 +#define MAYBE_ALLOCATE_FROM_LOCAL_POOL(nothrow) #define IS_FROM_LOCAL_POOL(ptr) 0 #endif // SANITIZER_RTEMS |