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📄 README.txt(924 B)
📄 asan.syms.extra(39 B)
📄 asan_activation.cpp(4.55 KB)
📄 asan_activation.h(736 B)
📄 asan_activation_flags.inc(1.42 KB)
📄 asan_allocator.cpp(40.63 KB)
📄 asan_allocator.h(8.05 KB)
📄 asan_blacklist.txt(513 B)
📄 asan_debugging.cpp(4.7 KB)
📄 asan_descriptions.cpp(16.44 KB)
📄 asan_descriptions.h(7.59 KB)
📄 asan_errors.cpp(21.78 KB)
📄 asan_errors.h(14.75 KB)
📄 asan_fake_stack.cpp(10.82 KB)
📄 asan_fake_stack.h(6.89 KB)
📄 asan_flags.cpp(7.32 KB)
📄 asan_flags.h(1.45 KB)
📄 asan_flags.inc(7.92 KB)
📄 asan_fuchsia.cpp(8.18 KB)
📄 asan_globals.cpp(16.98 KB)
📄 asan_globals_win.cpp(2.03 KB)
📄 asan_init_version.h(1.88 KB)
📄 asan_interceptors.cpp(23.89 KB)
📄 asan_interceptors.h(4.86 KB)
📄 asan_interceptors_memintrinsics.cpp(1.52 KB)
📄 asan_interceptors_memintrinsics.h(8.12 KB)
📄 asan_interceptors_vfork.S(526 B)
📄 asan_interface.inc(7.25 KB)
📄 asan_interface_internal.h(10.88 KB)
📄 asan_internal.h(5.95 KB)
📄 asan_linux.cpp(7.45 KB)
📄 asan_lock.h(0 B)
📄 asan_mac.cpp(11.64 KB)
📄 asan_malloc_linux.cpp(9.8 KB)
📄 asan_malloc_local.h(1.92 KB)
📄 asan_malloc_mac.cpp(3.83 KB)
📄 asan_malloc_win.cpp(19.55 KB)
📄 asan_mapping.h(14.72 KB)
📄 asan_mapping_myriad.h(2.11 KB)
📄 asan_mapping_sparc64.h(2.95 KB)
📄 asan_memory_profile.cpp(4.12 KB)
📄 asan_new_delete.cpp(8.16 KB)
📄 asan_poisoning.cpp(16 KB)
📄 asan_poisoning.h(3.85 KB)
📄 asan_posix.cpp(4.12 KB)
📄 asan_preinit.cpp(1 KB)
📄 asan_premap_shadow.cpp(2.7 KB)
📄 asan_premap_shadow.h(913 B)
📄 asan_report.cpp(20.2 KB)
📄 asan_report.h(4.59 KB)
📄 asan_rtems.cpp(8.9 KB)
📄 asan_rtl.cpp(22.99 KB)
📄 asan_scariness_score.h(2.25 KB)
📄 asan_shadow_setup.cpp(6.2 KB)
📄 asan_stack.cpp(2.28 KB)
📄 asan_stack.h(3.29 KB)
📄 asan_stats.cpp(5.62 KB)
📄 asan_stats.h(2.05 KB)
📄 asan_suppressions.cpp(3.62 KB)
📄 asan_suppressions.h(1.01 KB)
📄 asan_thread.cpp(18.01 KB)
📄 asan_thread.h(5.56 KB)
📄 asan_win.cpp(13.74 KB)
📄 asan_win_dll_thunk.cpp(5.12 KB)
📄 asan_win_dynamic_runtime_thunk.cpp(5.4 KB)
📄 asan_win_weak_interception.cpp(1.14 KB)
📄 weak_symbols.txt(268 B)

Editing: asan_stack.h

//===-- asan_stack.h --------------------------------------------*- C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This file is a part of AddressSanitizer, an address sanity checker.
//
// ASan-private header for asan_stack.cpp.
//===----------------------------------------------------------------------===//

#ifndef ASAN_STACK_H
#define ASAN_STACK_H

#include "asan_flags.h"
#include "asan_thread.h"
#include "sanitizer_common/sanitizer_flags.h"
#include "sanitizer_common/sanitizer_stacktrace.h"

namespace __asan {

static const u32 kDefaultMallocContextSize = 30;

void SetMallocContextSize(u32 size);
u32 GetMallocContextSize();

} // namespace __asan

// NOTE: A Rule of thumb is to retrieve stack trace in the interceptors
// as early as possible (in functions exposed to the user), as we generally
// don't want stack trace to contain functions from ASan internals.

#define GET_STACK_TRACE(max_size, fast)                          \
  BufferedStackTrace stack;                                      \
  if (max_size <= 2) {                                           \
    stack.size = max_size;                                       \
    if (max_size > 0) {                                          \
      stack.top_frame_bp = GET_CURRENT_FRAME();                  \
      stack.trace_buffer[0] = StackTrace::GetCurrentPc();        \
      if (max_size > 1) stack.trace_buffer[1] = GET_CALLER_PC(); \
    }                                                            \
  } else {                                                       \
    stack.Unwind(StackTrace::GetCurrentPc(),                     \
                 GET_CURRENT_FRAME(), nullptr, fast, max_size);  \
  }

#define GET_STACK_TRACE_FATAL(pc, bp)              \
  BufferedStackTrace stack;                        \
  stack.Unwind(pc, bp, nullptr,                    \
               common_flags()->fast_unwind_on_fatal)

#define GET_STACK_TRACE_SIGNAL(sig)                                        \
  BufferedStackTrace stack;                                                \
  stack.Unwind((sig).pc, (sig).bp, (sig).context,                          \
               common_flags()->fast_unwind_on_fatal)

#define GET_STACK_TRACE_FATAL_HERE                                \
  GET_STACK_TRACE(kStackTraceMax, common_flags()->fast_unwind_on_fatal)

#define GET_STACK_TRACE_CHECK_HERE                                \
  GET_STACK_TRACE(kStackTraceMax, common_flags()->fast_unwind_on_check)

#define GET_STACK_TRACE_THREAD                                    \
  GET_STACK_TRACE(kStackTraceMax, true)

#define GET_STACK_TRACE_MALLOC                                                 \
  GET_STACK_TRACE(GetMallocContextSize(), common_flags()->fast_unwind_on_malloc)

#define GET_STACK_TRACE_FREE GET_STACK_TRACE_MALLOC

#define PRINT_CURRENT_STACK()   \
  {                             \
    GET_STACK_TRACE_FATAL_HERE; \
    stack.Print();              \
  }

#define PRINT_CURRENT_STACK_CHECK() \
  {                                 \
    GET_STACK_TRACE_CHECK_HERE;     \
    stack.Print();                  \
  }

#endif // ASAN_STACK_H

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Editing: asan_stack.h

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