b667dd7017
2019-08-14 Martin Liska <mliska@suse.cz> PR sanitizer/89832 PR sanitizer/91325 * All source files: Merge from upstream 368656. From-SVN: r274426
41 lines
1.2 KiB
C++
41 lines
1.2 KiB
C++
//===-- ubsan_diag_standalone.cpp -----------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// Diagnostic reporting for the standalone UBSan runtime.
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//
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//===----------------------------------------------------------------------===//
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#include "ubsan_platform.h"
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#if CAN_SANITIZE_UB
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#include "ubsan_diag.h"
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using namespace __ubsan;
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void __sanitizer::BufferedStackTrace::UnwindImpl(
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uptr pc, uptr bp, void *context, bool request_fast, u32 max_depth) {
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uptr top = 0;
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uptr bottom = 0;
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if (StackTrace::WillUseFastUnwind(request_fast)) {
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GetThreadStackTopAndBottom(false, &top, &bottom);
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Unwind(max_depth, pc, bp, nullptr, top, bottom, true);
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} else
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Unwind(max_depth, pc, bp, context, 0, 0, false);
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}
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extern "C" {
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SANITIZER_INTERFACE_ATTRIBUTE
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void __sanitizer_print_stack_trace() {
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GET_CURRENT_PC_BP;
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BufferedStackTrace stack;
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stack.Unwind(pc, bp, nullptr, common_flags()->fast_unwind_on_fatal);
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stack.Print();
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}
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} // extern "C"
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#endif // CAN_SANITIZE_UB
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