51 lines
2.3 KiB
C++
51 lines
2.3 KiB
C++
//===-- flags.inc -----------------------------------------------*- C++ -*-===//
|
|
//
|
|
// 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef SCUDO_FLAG
|
|
#error "Define SCUDO_FLAG prior to including this file!"
|
|
#endif
|
|
|
|
SCUDO_FLAG(int, quarantine_size_kb, 0,
|
|
"Size (in kilobytes) of quarantine used to delay the actual "
|
|
"deallocation of chunks. Lower value may reduce memory usage but "
|
|
"decrease the effectiveness of the mitigation.")
|
|
|
|
SCUDO_FLAG(int, thread_local_quarantine_size_kb, 0,
|
|
"Size (in kilobytes) of per-thread cache used to offload the global "
|
|
"quarantine. Lower value may reduce memory usage but might increase "
|
|
"the contention on the global quarantine.")
|
|
|
|
SCUDO_FLAG(int, quarantine_max_chunk_size, 0,
|
|
"Size (in bytes) up to which chunks will be quarantined (if lower "
|
|
"than or equal to).")
|
|
|
|
SCUDO_FLAG(bool, dealloc_type_mismatch, false,
|
|
"Terminate on a type mismatch in allocation-deallocation functions, "
|
|
"eg: malloc/delete, new/free, new/delete[], etc.")
|
|
|
|
SCUDO_FLAG(bool, delete_size_mismatch, true,
|
|
"Terminate on a size mismatch between a sized-delete and the actual "
|
|
"size of a chunk (as provided to new/new[]).")
|
|
|
|
SCUDO_FLAG(bool, zero_contents, false, "Zero chunk contents on allocation.")
|
|
|
|
SCUDO_FLAG(bool, pattern_fill_contents, false,
|
|
"Pattern fill chunk contents on allocation.")
|
|
|
|
SCUDO_FLAG(bool, may_return_null, true,
|
|
"Indicate whether the allocator should terminate instead of "
|
|
"returning NULL in otherwise non-fatal error scenarios, eg: OOM, "
|
|
"invalid allocation alignments, etc.")
|
|
|
|
SCUDO_FLAG(int, release_to_os_interval_ms, SCUDO_ANDROID ? INT32_MIN : 5000,
|
|
"Interval (in milliseconds) at which to attempt release of unused "
|
|
"memory to the OS. Negative values disable the feature.")
|
|
|
|
SCUDO_FLAG(int, allocation_ring_buffer_size, 32768,
|
|
"Entries to keep in the allocation ring buffer for scudo. "
|
|
"Values less or equal to zero disable the buffer.")
|