llvm-project/compiler-rt/lib/asan/asan_stack.cc

40 lines
1.1 KiB
C++

//===-- asan_stack.cc -----------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This file is a part of AddressSanitizer, an address sanity checker.
//
// Code for ASan stack trace.
//===----------------------------------------------------------------------===//
#include "asan_internal.h"
#include "asan_stack.h"
#include "sanitizer_common/sanitizer_atomic.h"
namespace __asan {
static atomic_uint32_t malloc_context_size;
void SetMallocContextSize(u32 size) {
atomic_store(&malloc_context_size, size, memory_order_release);
}
u32 GetMallocContextSize() {
return atomic_load(&malloc_context_size, memory_order_acquire);
}
} // namespace __asan
// ------------------ Interface -------------- {{{1
extern "C" {
SANITIZER_INTERFACE_ATTRIBUTE
void __sanitizer_print_stack_trace() {
using namespace __asan;
PRINT_CURRENT_STACK();
}
} // extern "C"