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52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
//===- FuzzerDFSan.h - Internal header for the Fuzzer -----------*- C++ -* ===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// DFSan interface.
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_FUZZER_DFSAN_H
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#define LLVM_FUZZER_DFSAN_H
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#ifndef LLVM_FUZZER_SUPPORTS_DFSAN
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# if defined(__linux__)
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# define LLVM_FUZZER_SUPPORTS_DFSAN 1
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# else
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# define LLVM_FUZZER_SUPPORTS_DFSAN 0
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# endif // __linux__
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#endif // LLVM_FUZZER_SUPPORTS_DFSAN
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#include <sanitizer/dfsan_interface.h>
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#if LLVM_FUZZER_SUPPORTS_DFSAN
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extern "C" {
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__attribute__((weak))
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dfsan_label dfsan_create_label(const char *desc, void *userdata);
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__attribute__((weak))
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void dfsan_set_label(dfsan_label label, void *addr, size_t size);
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__attribute__((weak))
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void dfsan_add_label(dfsan_label label, void *addr, size_t size);
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__attribute__((weak))
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const struct dfsan_label_info *dfsan_get_label_info(dfsan_label label);
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__attribute__((weak))
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dfsan_label dfsan_read_label(const void *addr, size_t size);
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} // extern "C"
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namespace fuzzer {
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static bool ReallyHaveDFSan() {
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return &dfsan_create_label != nullptr;
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}
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} // namespace fuzzer
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#else
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namespace fuzzer {
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static bool ReallyHaveDFSan() { return false; }
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} // namespace fuzzer
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#endif
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#endif // LLVM_FUZZER_DFSAN_H
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