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