| // Copyright 2021 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <zircon/compiler.h> |
| #include <zircon/sanitizer.h> |
| |
| #include "backtrace.h" |
| |
| __EXPORT size_t __sanitizer_fast_backtrace(uintptr_t buffer[], size_t buffer_size) { |
| cpp20::span<uintptr_t> pcs{buffer, buffer_size}; |
| size_t count = __libc_sanitizer::BacktraceByShadowCallStack(pcs); |
| if (count == 0) { |
| count = __libc_sanitizer::BacktraceByFramePointer(pcs); |
| } |
| return count; |
| } |
