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📁 ..
📄 sancov_flags.cpp(1.64 KB)
📄 sancov_flags.h(1.08 KB)
📄 sancov_flags.inc(777 B)
📄 sanitizer_addrhashmap.h(9.19 KB)
📄 sanitizer_allocator.cpp(8.73 KB)
📄 sanitizer_allocator.h(2.69 KB)
📄 sanitizer_allocator_bytemap.h(3.12 KB)
📄 sanitizer_allocator_checks.cpp(686 B)
📄 sanitizer_allocator_checks.h(2.67 KB)
📄 sanitizer_allocator_combined.h(6.29 KB)
📄 sanitizer_allocator_interface.h(1.83 KB)
📄 sanitizer_allocator_internal.h(2.03 KB)
📄 sanitizer_allocator_local_cache.h(8.95 KB)
📄 sanitizer_allocator_primary32.h(12.64 KB)
📄 sanitizer_allocator_primary64.h(32.71 KB)
📄 sanitizer_allocator_report.cpp(4.68 KB)
📄 sanitizer_allocator_report.h(1.72 KB)
📄 sanitizer_allocator_secondary.h(10.78 KB)
📄 sanitizer_allocator_size_class_map.h(10.12 KB)
📄 sanitizer_allocator_stats.h(2.76 KB)
📄 sanitizer_asm.h(2.57 KB)
📄 sanitizer_atomic.h(1.97 KB)
📄 sanitizer_atomic_clang.h(3.42 KB)
📄 sanitizer_atomic_clang_mips.h(3.77 KB)
📄 sanitizer_atomic_clang_other.h(3.02 KB)
📄 sanitizer_atomic_clang_x86.h(3.77 KB)
📄 sanitizer_atomic_msvc.h(8.53 KB)
📄 sanitizer_bitvector.h(9.43 KB)
📄 sanitizer_bvgraph.h(4.62 KB)
📄 sanitizer_common.cpp(10.13 KB)
📄 sanitizer_common.h(30.64 KB)
📄 sanitizer_common_interceptors.inc(348.66 KB)
📄 sanitizer_common_interceptors_format.inc(16.84 KB)
📄 sanitizer_common_interceptors_ioctl.inc(22.13 KB)
📄 sanitizer_common_interceptors_netbsd_compat.inc(4.07 KB)
📄 sanitizer_common_interceptors_vfork_aarch64.inc.S(1.23 KB)
📄 sanitizer_common_interceptors_vfork_arm.inc.S(1.24 KB)
📄 sanitizer_common_interceptors_vfork_i386.inc.S(1.66 KB)
📄 sanitizer_common_interceptors_vfork_x86_64.inc.S(1.03 KB)
📄 sanitizer_common_interface.inc(2.05 KB)
📄 sanitizer_common_interface_posix.inc(732 B)
📄 sanitizer_common_libcdep.cpp(5.4 KB)
📄 sanitizer_common_nolibc.cpp(1.12 KB)
📄 sanitizer_common_syscalls.inc(85 KB)
📄 sanitizer_coverage_fuchsia.cpp(10.1 KB)
📄 sanitizer_coverage_interface.inc(1.73 KB)
📄 sanitizer_coverage_libcdep_new.cpp(7.39 KB)
📄 sanitizer_coverage_win_dll_thunk.cpp(1.03 KB)
📄 sanitizer_coverage_win_dynamic_runtime_thunk.cpp(1.16 KB)
📄 sanitizer_coverage_win_sections.cpp(3.36 KB)
📄 sanitizer_coverage_win_weak_interception.cpp(1.17 KB)
📄 sanitizer_dbghelp.h(1.44 KB)
📄 sanitizer_deadlock_detector.h(13.28 KB)
📄 sanitizer_deadlock_detector1.cpp(5.6 KB)
📄 sanitizer_deadlock_detector2.cpp(10.84 KB)
📄 sanitizer_deadlock_detector_interface.h(2.66 KB)
📄 sanitizer_errno.cpp(1.09 KB)
📄 sanitizer_errno.h(1.3 KB)
📄 sanitizer_errno_codes.h(1.1 KB)
📄 sanitizer_file.cpp(6.24 KB)
📄 sanitizer_file.h(3.67 KB)
📄 sanitizer_flag_parser.cpp(5.55 KB)
📄 sanitizer_flag_parser.h(5.71 KB)
📄 sanitizer_flags.cpp(3.95 KB)
📄 sanitizer_flags.h(2.13 KB)
📄 sanitizer_flags.inc(12.73 KB)
📄 sanitizer_freebsd.h(3.31 KB)
📄 sanitizer_fuchsia.cpp(16.58 KB)
📄 sanitizer_fuchsia.h(1.03 KB)
📄 sanitizer_getauxval.h(1.73 KB)
📄 sanitizer_glibc_version.h(748 B)
📄 sanitizer_hash.h(1.04 KB)
📄 sanitizer_interceptors_ioctl_netbsd.inc(68.81 KB)
📄 sanitizer_interface_internal.h(5.28 KB)
📄 sanitizer_internal_defs.h(14.28 KB)
📄 sanitizer_lfstack.h(2.08 KB)
📄 sanitizer_libc.cpp(7.21 KB)
📄 sanitizer_libc.h(3.23 KB)
📄 sanitizer_libignore.cpp(4.24 KB)
📄 sanitizer_libignore.h(3.5 KB)
📄 sanitizer_linux.cpp(71.58 KB)
📄 sanitizer_linux.h(5.47 KB)
📄 sanitizer_linux_libcdep.cpp(25.67 KB)
📄 sanitizer_linux_s390.cpp(6.91 KB)
📄 sanitizer_list.h(3.81 KB)
📄 sanitizer_local_address_space_view.h(3.67 KB)
📄 sanitizer_mac.cpp(38.67 KB)
📄 sanitizer_mac.h(2.49 KB)
📄 sanitizer_mac_libcdep.cpp(968 B)
📄 sanitizer_malloc_mac.inc(13.06 KB)
📄 sanitizer_mutex.h(5.17 KB)
📄 sanitizer_netbsd.cpp(9.95 KB)
📄 sanitizer_openbsd.cpp(3.17 KB)
📄 sanitizer_persistent_allocator.cpp(687 B)
📄 sanitizer_persistent_allocator.h(2.31 KB)
📄 sanitizer_placement_new.h(885 B)
📄 sanitizer_platform.h(10.11 KB)
📄 sanitizer_platform_interceptors.h(24.93 KB)
📄 sanitizer_platform_limits_freebsd.cpp(19.79 KB)
📄 sanitizer_platform_limits_freebsd.h(18.41 KB)
📄 sanitizer_platform_limits_linux.cpp(3.32 KB)
📄 sanitizer_platform_limits_netbsd.cpp(109.73 KB)
📄 sanitizer_platform_limits_netbsd.h(81.54 KB)
📄 sanitizer_platform_limits_openbsd.cpp(8.69 KB)
📄 sanitizer_platform_limits_openbsd.h(8.68 KB)
📄 sanitizer_platform_limits_posix.cpp(48.89 KB)
📄 sanitizer_platform_limits_posix.h(40.65 KB)
📄 sanitizer_platform_limits_solaris.cpp(11.93 KB)
📄 sanitizer_platform_limits_solaris.h(12.26 KB)
📄 sanitizer_posix.cpp(11.93 KB)
📄 sanitizer_posix.h(5.14 KB)
📄 sanitizer_posix_libcdep.cpp(16.21 KB)
📄 sanitizer_printf.cpp(12.07 KB)
📄 sanitizer_procmaps.h(2.93 KB)
📄 sanitizer_procmaps_bsd.cpp(3.81 KB)
📄 sanitizer_procmaps_common.cpp(5.27 KB)
📄 sanitizer_procmaps_fuchsia.cpp(2.51 KB)
📄 sanitizer_procmaps_linux.cpp(2.9 KB)
📄 sanitizer_procmaps_mac.cpp(13.7 KB)
📄 sanitizer_procmaps_solaris.cpp(2.18 KB)
📄 sanitizer_ptrauth.h(720 B)
📄 sanitizer_quarantine.h(9.57 KB)
📄 sanitizer_report_decorator.h(1.89 KB)
📄 sanitizer_ring_buffer.h(4.7 KB)
📄 sanitizer_rtems.cpp(7.61 KB)
📄 sanitizer_rtems.h(772 B)
📄 sanitizer_signal_interceptors.inc(2.89 KB)
📄 sanitizer_solaris.cpp(6.6 KB)
📄 sanitizer_stackdepot.cpp(4.54 KB)
📄 sanitizer_stackdepot.h(2.13 KB)
📄 sanitizer_stackdepotbase.h(5.58 KB)
📄 sanitizer_stacktrace.cpp(4.58 KB)
📄 sanitizer_stacktrace.h(5.65 KB)
📄 sanitizer_stacktrace_libcdep.cpp(5.54 KB)
📄 sanitizer_stacktrace_printer.cpp(9.08 KB)
📄 sanitizer_stacktrace_printer.h(3.08 KB)
📄 sanitizer_stacktrace_sparc.cpp(3.05 KB)
📄 sanitizer_stoptheworld.h(2.34 KB)
📄 sanitizer_stoptheworld_fuchsia.cpp(1.28 KB)
📄 sanitizer_stoptheworld_linux_libcdep.cpp(20.8 KB)
📄 sanitizer_stoptheworld_mac.cpp(5.29 KB)
📄 sanitizer_stoptheworld_netbsd_libcdep.cpp(11.02 KB)
📄 sanitizer_suppressions.cpp(5.67 KB)
📄 sanitizer_suppressions.h(1.69 KB)
📄 sanitizer_symbolizer.cpp(3.65 KB)
📄 sanitizer_symbolizer.h(6.62 KB)
📄 sanitizer_symbolizer_fuchsia.h(1.56 KB)
📄 sanitizer_symbolizer_internal.h(5.8 KB)
📄 sanitizer_symbolizer_libbacktrace.cpp(6.1 KB)
📄 sanitizer_symbolizer_libbacktrace.h(1.49 KB)
📄 sanitizer_symbolizer_libcdep.cpp(17.45 KB)
📄 sanitizer_symbolizer_mac.cpp(8.48 KB)
📄 sanitizer_symbolizer_mac.h(1.37 KB)
📄 sanitizer_symbolizer_markup.cpp(5.39 KB)
📄 sanitizer_symbolizer_posix_libcdep.cpp(16.5 KB)
📄 sanitizer_symbolizer_report.cpp(10.01 KB)
📄 sanitizer_symbolizer_rtems.h(1.56 KB)
📄 sanitizer_symbolizer_win.cpp(11.59 KB)
📄 sanitizer_syscall_generic.inc(1.06 KB)
📄 sanitizer_syscall_linux_aarch64.inc(4.58 KB)
📄 sanitizer_syscall_linux_arm.inc(4.58 KB)
📄 sanitizer_syscall_linux_x86_64.inc(3.07 KB)
📄 sanitizer_syscalls_netbsd.inc(120.97 KB)
📄 sanitizer_termination.cpp(2.86 KB)
📄 sanitizer_thread_registry.cpp(10.31 KB)
📄 sanitizer_thread_registry.h(5.44 KB)
📄 sanitizer_tls_get_addr.cpp(5.29 KB)
📄 sanitizer_tls_get_addr.h(2.21 KB)
📄 sanitizer_type_traits.cpp(708 B)
📄 sanitizer_type_traits.h(1.49 KB)
📄 sanitizer_unwind_linux_libcdep.cpp(6.13 KB)
📄 sanitizer_unwind_win.cpp(2.41 KB)
📄 sanitizer_vector.h(2.57 KB)
📄 sanitizer_win.cpp(33.3 KB)
📄 sanitizer_win.h(851 B)
📄 sanitizer_win_defs.h(7.23 KB)
📄 sanitizer_win_dll_thunk.cpp(3.41 KB)
📄 sanitizer_win_dll_thunk.h(11.13 KB)
📄 sanitizer_win_dynamic_runtime_thunk.cpp(1.16 KB)
📄 sanitizer_win_weak_interception.cpp(3.49 KB)
📄 sanitizer_win_weak_interception.h(1.64 KB)
📁 symbolizer
📄 weak_symbols.txt(230 B)

Editing: sanitizer_win_dll_thunk.h

//===-- sanitizer_win_dll_thunk.h -----------------------------------------===//
//
// 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 header provide helper macros to delegate calls to the shared runtime
// that lives in the main executable. It should be included to dll_thunks that
// will be linked to the dlls, when the sanitizer is a static library included
// in the main executable.
//===----------------------------------------------------------------------===//
#ifndef SANITIZER_WIN_DLL_THUNK_H
#define SANITIZER_WIN_DLL_THUNK_H
#include "sanitizer_internal_defs.h"

namespace __sanitizer {
uptr dllThunkGetRealAddrOrDie(const char *name);

int dllThunkIntercept(const char* main_function, uptr dll_function);

int dllThunkInterceptWhenPossible(const char* main_function,
    const char* default_function, uptr dll_function);
}

extern "C" int __dll_thunk_init();

// ----------------- Function interception helper macros -------------------- //
// Override dll_function with main_function from main executable.
#define INTERCEPT_OR_DIE(main_function, dll_function)                          \
  static int intercept_##dll_function() {                                      \
    return __sanitizer::dllThunkIntercept(main_function, (__sanitizer::uptr)   \
        dll_function);                                                         \
  }                                                                            \
  __pragma(section(".DLLTH$M", long, read))                                    \
  __declspec(allocate(".DLLTH$M")) int (*__dll_thunk_##dll_function)() =       \
    intercept_##dll_function;

// Try to override dll_function with main_function from main executable.
// If main_function is not present, override dll_function with default_function.
#define INTERCEPT_WHEN_POSSIBLE(main_function, default_function, dll_function) \
  static int intercept_##dll_function() {                                      \
    return __sanitizer::dllThunkInterceptWhenPossible(main_function,           \
        default_function, (__sanitizer::uptr)dll_function);                    \
  }                                                                            \
  __pragma(section(".DLLTH$M", long, read))                                    \
  __declspec(allocate(".DLLTH$M")) int (*__dll_thunk_##dll_function)() =       \
    intercept_##dll_function;

// -------------------- Function interception macros ------------------------ //
// Special case of hooks -- ASan own interface functions.  Those are only called
// after __asan_init, thus an empty implementation is sufficient.
#define INTERCEPT_SANITIZER_FUNCTION(name)                                     \
  extern "C" __declspec(noinline) void name() {                                \
    volatile int prevent_icf = (__LINE__ << 8) ^ __COUNTER__;                  \
    static const char function_name[] = #name;                                 \
    for (const char* ptr = &function_name[0]; *ptr; ++ptr)                     \
      prevent_icf ^= *ptr;                                                     \
    (void)prevent_icf;                                                         \
    __debugbreak();                                                            \
  }                                                                            \
  INTERCEPT_OR_DIE(#name, name)

// Special case of hooks -- Weak functions, could be redefined in the main
// executable, but that is not necessary, so we shouldn't die if we can not find
// a reference. Instead, when the function is not present in the main executable
// we consider the default impl provided by asan library.
#define INTERCEPT_SANITIZER_WEAK_FUNCTION(name)                                \
  extern "C" __declspec(noinline) void name() {                                \
    volatile int prevent_icf = (__LINE__ << 8) ^ __COUNTER__;                  \
    static const char function_name[] = #name;                                 \
    for (const char* ptr = &function_name[0]; *ptr; ++ptr)                     \
      prevent_icf ^= *ptr;                                                     \
    (void)prevent_icf;                                                         \
    __debugbreak();                                                            \
  }                                                                            \
  INTERCEPT_WHEN_POSSIBLE(#name, STRINGIFY(WEAK_EXPORT_NAME(name)), name)

// We can't define our own version of strlen etc. because that would lead to
// link-time or even type mismatch errors.  Instead, we can declare a function
// just to be able to get its address.  Me may miss the first few calls to the
// functions since it can be called before __dll_thunk_init, but that would lead
// to false negatives in the startup code before user's global initializers,
// which isn't a big deal.
#define INTERCEPT_LIBRARY_FUNCTION(name)                                       \
  extern "C" void name();                                                      \
  INTERCEPT_OR_DIE(WRAPPER_NAME(name), name)

// Use these macros for functions that could be called before __dll_thunk_init()
// is executed and don't lead to errors if defined (free, malloc, etc).
#define INTERCEPT_WRAP_V_V(name)                                               \
  extern "C" void name() {                                                     \
    typedef decltype(name) *fntype;                                            \
    static fntype fn = (fntype)__sanitizer::dllThunkGetRealAddrOrDie(#name);   \
    fn();                                                                      \
  }                                                                            \
  INTERCEPT_OR_DIE(#name, name);

#define INTERCEPT_WRAP_V_W(name)                                               \
  extern "C" void name(void *arg) {                                            \
    typedef decltype(name) *fntype;                                            \
    static fntype fn = (fntype)__sanitizer::dllThunkGetRealAddrOrDie(#name);   \
    fn(arg);                                                                   \
  }                                                                            \
  INTERCEPT_OR_DIE(#name, name);

#define INTERCEPT_WRAP_V_WW(name)                                              \
  extern "C" void name(void *arg1, void *arg2) {                               \
    typedef decltype(name) *fntype;                                            \
    static fntype fn = (fntype)__sanitizer::dllThunkGetRealAddrOrDie(#name);   \
    fn(arg1, arg2);                                                            \
  }                                                                            \
  INTERCEPT_OR_DIE(#name, name);

#define INTERCEPT_WRAP_V_WWW(name)                                             \
  extern "C" void name(void *arg1, void *arg2, void *arg3) {                   \
    typedef decltype(name) *fntype;                                            \
    static fntype fn = (fntype)__sanitizer::dllThunkGetRealAddrOrDie(#name);   \
    fn(arg1, arg2, arg3);                                                      \
  }                                                                            \
  INTERCEPT_OR_DIE(#name, name);

#define INTERCEPT_WRAP_W_V(name)                                               \
  extern "C" void *name() {                                                    \
    typedef decltype(name) *fntype;                                            \
    static fntype fn = (fntype)__sanitizer::dllThunkGetRealAddrOrDie(#name);   \
    return fn();                                                               \
  }                                                                            \
  INTERCEPT_OR_DIE(#name, name);

#define INTERCEPT_WRAP_W_W(name)                                               \
  extern "C" void *name(void *arg) {                                           \
    typedef decltype(name) *fntype;                                            \
    static fntype fn = (fntype)__sanitizer::dllThunkGetRealAddrOrDie(#name);   \
    return fn(arg);                                                            \
  }                                                                            \
  INTERCEPT_OR_DIE(#name, name);

#define INTERCEPT_WRAP_W_WW(name)                                              \
  extern "C" void *name(void *arg1, void *arg2) {                              \
    typedef decltype(name) *fntype;                                            \
    static fntype fn = (fntype)__sanitizer::dllThunkGetRealAddrOrDie(#name);   \
    return fn(arg1, arg2);                                                     \
  }                                                                            \
  INTERCEPT_OR_DIE(#name, name);

#define INTERCEPT_WRAP_W_WWW(name)                                             \
  extern "C" void *name(void *arg1, void *arg2, void *arg3) {                  \
    typedef decltype(name) *fntype;                                            \
    static fntype fn = (fntype)__sanitizer::dllThunkGetRealAddrOrDie(#name);   \
    return fn(arg1, arg2, arg3);                                               \
  }                                                                            \
  INTERCEPT_OR_DIE(#name, name);

#define INTERCEPT_WRAP_W_WWWW(name)                                            \
  extern "C" void *name(void *arg1, void *arg2, void *arg3, void *arg4) {      \
    typedef decltype(name) *fntype;                                            \
    static fntype fn = (fntype)__sanitizer::dllThunkGetRealAddrOrDie(#name);   \
    return fn(arg1, arg2, arg3, arg4);                                         \
  }                                                                            \
  INTERCEPT_OR_DIE(#name, name);

#define INTERCEPT_WRAP_W_WWWWW(name)                                           \
  extern "C" void *name(void *arg1, void *arg2, void *arg3, void *arg4,        \
                        void *arg5) {                                          \
    typedef decltype(name) *fntype;                                            \
    static fntype fn = (fntype)__sanitizer::dllThunkGetRealAddrOrDie(#name);   \
    return fn(arg1, arg2, arg3, arg4, arg5);                                   \
  }                                                                            \
  INTERCEPT_OR_DIE(#name, name);

#define INTERCEPT_WRAP_W_WWWWWW(name)                                          \
  extern "C" void *name(void *arg1, void *arg2, void *arg3, void *arg4,        \
                        void *arg5, void *arg6) {                              \
    typedef decltype(name) *fntype;                                            \
    static fntype fn = (fntype)__sanitizer::dllThunkGetRealAddrOrDie(#name);   \
    return fn(arg1, arg2, arg3, arg4, arg5, arg6);                             \
  }                                                                            \
  INTERCEPT_OR_DIE(#name, name);

#endif // SANITIZER_WIN_DLL_THUNK_H

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