| 1 | //=-- lsan.h --------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | // |
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| 9 | // This file is a part of LeakSanitizer. |
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| 10 | // Private header for standalone LSan RTL. |
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| 11 | // |
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| 12 | //===----------------------------------------------------------------------===// |
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| 13 | |
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| 14 | #include "lsan_thread.h" |
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| 15 | #if SANITIZER_POSIX |
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| 16 | # include "lsan_posix.h" |
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| 17 | #elif SANITIZER_FUCHSIA |
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| 18 | # include "lsan_fuchsia.h" |
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| 19 | #endif |
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| 20 | #include "sanitizer_common/sanitizer_flags.h" |
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| 21 | #include "sanitizer_common/sanitizer_stacktrace.h" |
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| 22 | |
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| 23 | #define GET_STACK_TRACE(max_size, fast) \ |
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| 24 | __sanitizer::BufferedStackTrace stack; \ |
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| 25 | stack.Unwind(StackTrace::GetCurrentPc(), GET_CURRENT_FRAME(), nullptr, fast, \ |
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| 26 | max_size); |
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| 27 | |
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| 28 | #define GET_STACK_TRACE_FATAL \ |
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| 29 | GET_STACK_TRACE(kStackTraceMax, common_flags()->fast_unwind_on_fatal) |
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| 30 | |
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| 31 | #define GET_STACK_TRACE_MALLOC \ |
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| 32 | GET_STACK_TRACE(__sanitizer::common_flags()->malloc_context_size, \ |
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| 33 | common_flags()->fast_unwind_on_malloc) |
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| 34 | |
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| 35 | #define GET_STACK_TRACE_THREAD GET_STACK_TRACE(kStackTraceMax, true) |
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| 36 | |
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| 37 | namespace __lsan { |
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| 38 | |
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| 39 | void InitializeInterceptors(); |
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| 40 | void ReplaceSystemMalloc(); |
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| 41 | void LsanOnDeadlySignal(int signo, void *siginfo, void *context); |
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| 42 | void InstallAtExitCheckLeaks(); |
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| 43 | void InstallAtForkHandler(); |
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| 44 | |
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| 45 | #define ENSURE_LSAN_INITED \ |
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| 46 | do { \ |
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| 47 | CHECK(!lsan_init_is_running); \ |
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| 48 | if (!lsan_inited) \ |
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| 49 | __lsan_init(); \ |
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| 50 | } while (0) |
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| 51 | |
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| 52 | } // namespace __lsan |
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| 53 | |
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| 54 | extern bool lsan_inited; |
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| 55 | extern bool lsan_init_is_running; |
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| 56 | |
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| 57 | extern "C" SANITIZER_INTERFACE_ATTRIBUTE void __lsan_init(); |
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| 58 | |
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