forked from OSchip/llvm-project
56 lines
1.7 KiB
C++
56 lines
1.7 KiB
C++
//===-- asan_stack.cc -----------------------------------------------------===//
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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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//
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// This file is a part of AddressSanitizer, an address sanity checker.
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//
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// Code for ASan stack trace.
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//===----------------------------------------------------------------------===//
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#include "asan_internal.h"
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#include "asan_flags.h"
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#include "asan_stack.h"
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#include "sanitizer_common/sanitizer_flags.h"
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namespace __asan {
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static bool MaybeCallAsanSymbolize(const void *pc, char *out_buffer,
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int out_size) {
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return (&__asan_symbolize) ? __asan_symbolize(pc, out_buffer, out_size)
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: false;
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}
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void PrintStack(const uptr *trace, uptr size) {
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StackTrace::PrintStack(trace, size, MaybeCallAsanSymbolize);
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}
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void PrintStack(StackTrace *stack) {
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PrintStack(stack->trace, stack->size);
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}
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} // namespace __asan
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// ------------------ Interface -------------- {{{1
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// Provide default implementation of __asan_symbolize that does nothing
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// and may be overriden by user if he wants to use his own symbolization.
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// ASan on Windows has its own implementation of this.
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#if !SANITIZER_WINDOWS && !SANITIZER_SUPPORTS_WEAK_HOOKS
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SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE NOINLINE
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bool __asan_symbolize(const void *pc, char *out_buffer, int out_size) {
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return false;
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}
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#endif
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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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using namespace __asan;
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PRINT_CURRENT_STACK();
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}
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} // extern "C"
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