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+//===-- interception_linux.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.
+//
+// Windows-specific interception methods.
+//===----------------------------------------------------------------------===//
+
+#if SANITIZER_WINDOWS
+
+#if !defined(INCLUDED_FROM_INTERCEPTION_LIB)
+# error "interception_win.h should be included from interception library only"
+#endif
+
+#ifndef INTERCEPTION_WIN_H
+#define INTERCEPTION_WIN_H
+
+namespace __interception {
+// All the functions in the OverrideFunction() family return true on success,
+// false on failure (including "couldn't find the function").
+
+// Overrides a function by its address.
+bool OverrideFunction(uptr old_func, uptr new_func, uptr *orig_old_func = 0);
+
+// Overrides a function in a system DLL or DLL CRT by its exported name.
+bool OverrideFunction(const char *name, uptr new_func, uptr *orig_old_func = 0);
+
+// Windows-only replacement for GetProcAddress. Useful for some sanitizers.
+uptr InternalGetProcAddress(void *module, const char *func_name);
+
+// Overrides a function only when it is called from a specific DLL. For example,
+// this is used to override calls to HeapAlloc/HeapFree from ucrtbase without
+// affecting other third party libraries.
+bool OverrideImportedFunction(const char *module_to_patch,
+ const char *imported_module,
+ const char *function_name, uptr new_function,
+ uptr *orig_old_func);
+
+#if !SANITIZER_WINDOWS64
+// Exposed for unittests
+bool OverrideFunctionWithDetour(
+ uptr old_func, uptr new_func, uptr *orig_old_func);
+#endif
+
+// Exposed for unittests
+bool OverrideFunctionWithRedirectJump(
+ uptr old_func, uptr new_func, uptr *orig_old_func);
+bool OverrideFunctionWithHotPatch(
+ uptr old_func, uptr new_func, uptr *orig_old_func);
+bool OverrideFunctionWithTrampoline(
+ uptr old_func, uptr new_func, uptr *orig_old_func);
+
+// Exposed for unittests
+void TestOnlyReleaseTrampolineRegions();
+
+} // namespace __interception
+
+#if defined(INTERCEPTION_DYNAMIC_CRT)
+#define INTERCEPT_FUNCTION_WIN(func) \
+ ::__interception::OverrideFunction(#func, \
+ (::__interception::uptr)WRAP(func), \
+ (::__interception::uptr *)&REAL(func))
+#else
+#define INTERCEPT_FUNCTION_WIN(func) \
+ ::__interception::OverrideFunction((::__interception::uptr)func, \
+ (::__interception::uptr)WRAP(func), \
+ (::__interception::uptr *)&REAL(func))
+#endif
+
+#define INTERCEPT_FUNCTION_VER_WIN(func, symver) INTERCEPT_FUNCTION_WIN(func)
+
+#define INTERCEPT_FUNCTION_DLLIMPORT(user_dll, provider_dll, func) \
+ ::__interception::OverrideImportedFunction( \
+ user_dll, provider_dll, #func, (::__interception::uptr)WRAP(func), \
+ (::__interception::uptr *)&REAL(func))
+
+#endif // INTERCEPTION_WIN_H
+#endif // SANITIZER_WINDOWS