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//===-- ubsan_diag_standalone.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
//
//===----------------------------------------------------------------------===//
//
// Diagnostic reporting for the standalone UBSan runtime.
//
//===----------------------------------------------------------------------===//
#include "ubsan_platform.h"
#if CAN_SANITIZE_UB
#include "ubsan_diag.h"
using namespace __ubsan;
void __sanitizer::BufferedStackTrace::UnwindImpl(
uptr pc, uptr bp, void *context, bool request_fast, u32 max_depth) {
uptr top = 0;
uptr bottom = 0;
if (StackTrace::WillUseFastUnwind(request_fast)) {
GetThreadStackTopAndBottom(false, &top, &bottom);
Unwind(max_depth, pc, bp, nullptr, top, bottom, true);
} else
Unwind(max_depth, pc, bp, context, 0, 0, false);
}
extern "C" {
SANITIZER_INTERFACE_ATTRIBUTE
void __sanitizer_print_stack_trace() {
GET_CURRENT_PC_BP;
BufferedStackTrace stack;
stack.Unwind(pc, bp, nullptr, common_flags()->fast_unwind_on_fatal);
stack.Print();
}
} // extern "C"
#endif // CAN_SANITIZE_UB
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