| // Copyright 2023 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "components/gwp_asan/common/allocation_info.h" |
| |
| #include "base/debug/stack_trace.h" |
| #include "build/build_config.h" |
| |
| #if BUILDFLAG(IS_APPLE) |
| #include <pthread.h> |
| #endif |
| |
| namespace gwp_asan::internal { |
| |
| size_t AllocationInfo::GetStackTrace(base::span<const void*> trace) { |
| // TODO(vtsyrklevich): Investigate using trace_event::CFIBacktraceAndroid |
| // on 32-bit Android for canary/dev (where we can dynamically load unwind |
| // data.) |
| #if BUILDFLAG(IS_ANDROID) && BUILDFLAG(CAN_UNWIND_WITH_FRAME_POINTERS) |
| // Android release builds ship without unwind tables so the normal method of |
| // stack trace collection for base::debug::StackTrace doesn't work; however, |
| // AArch64 builds ship with frame pointers so we can still collect stack |
| // traces in that case. |
| return base::debug::TraceStackFramePointers(trace, 0); |
| #else |
| return base::debug::CollectStackTrace(trace); |
| #endif |
| } |
| |
| } // namespace gwp_asan::internal |
