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📄 hwasan.cpp(15.25 KB)
📄 hwasan.h(5.69 KB)
📄 hwasan.syms.extra(21 B)
📄 hwasan_allocator.cpp(13.71 KB)
📄 hwasan_allocator.h(3.26 KB)
📄 hwasan_blacklist.txt(282 B)
📄 hwasan_checks.h(4.04 KB)
📄 hwasan_dynamic_shadow.cpp(5.17 KB)
📄 hwasan_dynamic_shadow.h(838 B)
📄 hwasan_exceptions.cpp(2.68 KB)
📄 hwasan_flags.h(799 B)
📄 hwasan_flags.inc(3.27 KB)
📄 hwasan_globals.cpp(3.03 KB)
📄 hwasan_globals.h(1.85 KB)
📄 hwasan_interceptors.cpp(11.1 KB)
📄 hwasan_interceptors_vfork.S(409 B)
📄 hwasan_interface_internal.h(6.32 KB)
📄 hwasan_linux.cpp(15.83 KB)
📄 hwasan_malloc_bisect.h(1.67 KB)
📄 hwasan_mapping.h(2.01 KB)
📄 hwasan_memintrinsics.cpp(1.6 KB)
📄 hwasan_new_delete.cpp(2.29 KB)
📄 hwasan_poisoning.cpp(1.89 KB)
📄 hwasan_poisoning.h(756 B)
📄 hwasan_report.cpp(24.11 KB)
📄 hwasan_report.h(1.2 KB)
📄 hwasan_setjmp.S(2.81 KB)
📄 hwasan_tag_mismatch_aarch64.S(5.89 KB)
📄 hwasan_thread.cpp(3.9 KB)
📄 hwasan_thread.h(2.82 KB)
📄 hwasan_thread_list.cpp(442 B)
📄 hwasan_thread_list.h(6.2 KB)
📄 hwasan_type_test.cpp(918 B)

Editing: hwasan_globals.h

//===-- hwasan_globals.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 HWAddressSanitizer.
//
// Private Hwasan header.
//===----------------------------------------------------------------------===//

#ifndef HWASAN_GLOBALS_H
#define HWASAN_GLOBALS_H

#include <link.h>

#include "sanitizer_common/sanitizer_common.h"
#include "sanitizer_common/sanitizer_internal_defs.h"

namespace __hwasan {
// This object should only ever be casted over the global (i.e. not constructed)
// in the ELF PT_NOTE in order for `addr()` to work correctly.
struct hwasan_global {
  // The size of this global variable. Note that the size in the descriptor is
  // max 1 << 24. Larger globals have multiple descriptors.
  uptr size() const { return info & 0xffffff; }
  // The fully-relocated address of this global.
  uptr addr() const { return reinterpret_cast<uintptr_t>(this) + gv_relptr; }
  // The static tag of this global.
  u8 tag() const { return info >> 24; };

// The relative address between the start of the descriptor for the HWASan
  // global (in the PT_NOTE), and the fully relocated address of the global.
  s32 gv_relptr;
  u32 info;
};

// Walk through the specific DSO (as specified by the base, phdr, and phnum),
// and return the range of the [beginning, end) of the HWASan globals descriptor
// array.
ArrayRef<const hwasan_global> HwasanGlobalsFor(ElfW(Addr) base,
                                               const ElfW(Phdr) * phdr,
                                               ElfW(Half) phnum);

}  // namespace __hwasan

#endif  // HWASAN_GLOBALS_H

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