|
111
|
1 //===-- interception_linux.h ------------------------------------*- C++ -*-===//
|
|
|
2 //
|
|
|
3 // This file is distributed under the University of Illinois Open Source
|
|
|
4 // License. See LICENSE.TXT for details.
|
|
|
5 //
|
|
|
6 //===----------------------------------------------------------------------===//
|
|
|
7 //
|
|
|
8 // This file is a part of AddressSanitizer, an address sanity checker.
|
|
|
9 //
|
|
|
10 // Windows-specific interception methods.
|
|
|
11 //===----------------------------------------------------------------------===//
|
|
|
12
|
|
|
13 #ifdef _WIN32
|
|
|
14
|
|
|
15 #if !defined(INCLUDED_FROM_INTERCEPTION_LIB)
|
|
|
16 # error "interception_win.h should be included from interception library only"
|
|
|
17 #endif
|
|
|
18
|
|
|
19 #ifndef INTERCEPTION_WIN_H
|
|
|
20 #define INTERCEPTION_WIN_H
|
|
|
21
|
|
|
22 namespace __interception {
|
|
|
23 // All the functions in the OverrideFunction() family return true on success,
|
|
|
24 // false on failure (including "couldn't find the function").
|
|
|
25
|
|
|
26 // Overrides a function by its address.
|
|
|
27 bool OverrideFunction(uptr old_func, uptr new_func, uptr *orig_old_func = 0);
|
|
|
28
|
|
|
29 // Overrides a function in a system DLL or DLL CRT by its exported name.
|
|
|
30 bool OverrideFunction(const char *name, uptr new_func, uptr *orig_old_func = 0);
|
|
|
31
|
|
|
32 // Windows-only replacement for GetProcAddress. Useful for some sanitizers.
|
|
|
33 uptr InternalGetProcAddress(void *module, const char *func_name);
|
|
|
34
|
|
|
35 // Overrides a function only when it is called from a specific DLL. For example,
|
|
|
36 // this is used to override calls to HeapAlloc/HeapFree from ucrtbase without
|
|
|
37 // affecting other third party libraries.
|
|
|
38 bool OverrideImportedFunction(const char *module_to_patch,
|
|
|
39 const char *imported_module,
|
|
|
40 const char *function_name, uptr new_function,
|
|
|
41 uptr *orig_old_func);
|
|
|
42
|
|
|
43 #if !SANITIZER_WINDOWS64
|
|
|
44 // Exposed for unittests
|
|
|
45 bool OverrideFunctionWithDetour(
|
|
|
46 uptr old_func, uptr new_func, uptr *orig_old_func);
|
|
|
47 #endif
|
|
|
48
|
|
|
49 // Exposed for unittests
|
|
|
50 bool OverrideFunctionWithRedirectJump(
|
|
|
51 uptr old_func, uptr new_func, uptr *orig_old_func);
|
|
|
52 bool OverrideFunctionWithHotPatch(
|
|
|
53 uptr old_func, uptr new_func, uptr *orig_old_func);
|
|
|
54 bool OverrideFunctionWithTrampoline(
|
|
|
55 uptr old_func, uptr new_func, uptr *orig_old_func);
|
|
|
56
|
|
|
57 // Exposed for unittests
|
|
|
58 void TestOnlyReleaseTrampolineRegions();
|
|
|
59
|
|
|
60 } // namespace __interception
|
|
|
61
|
|
|
62 #if defined(INTERCEPTION_DYNAMIC_CRT)
|
|
|
63 #define INTERCEPT_FUNCTION_WIN(func) \
|
|
|
64 ::__interception::OverrideFunction(#func, \
|
|
|
65 (::__interception::uptr)WRAP(func), \
|
|
|
66 (::__interception::uptr *)&REAL(func))
|
|
|
67 #else
|
|
|
68 #define INTERCEPT_FUNCTION_WIN(func) \
|
|
|
69 ::__interception::OverrideFunction((::__interception::uptr)func, \
|
|
|
70 (::__interception::uptr)WRAP(func), \
|
|
|
71 (::__interception::uptr *)&REAL(func))
|
|
|
72 #endif
|
|
|
73
|
|
|
74 #define INTERCEPT_FUNCTION_VER_WIN(func, symver) INTERCEPT_FUNCTION_WIN(func)
|
|
|
75
|
|
|
76 #define INTERCEPT_FUNCTION_DLLIMPORT(user_dll, provider_dll, func) \
|
|
|
77 ::__interception::OverrideImportedFunction( \
|
|
|
78 user_dll, provider_dll, #func, (::__interception::uptr)WRAP(func), \
|
|
|
79 (::__interception::uptr *)&REAL(func))
|
|
|
80
|
|
|
81 #endif // INTERCEPTION_WIN_H
|
|
|
82 #endif // _WIN32
|
