Differential D91853 Diff 315496 compiler-rt/lib/sanitizer_common/sanitizer_win.cpp

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compiler-rt/lib/sanitizer_common/sanitizer_win.cpp

Show First 20 Lines • Show All 605 Lines • ▼ Show 20 Lines	static uptr GetPreferredBase(const char *modname) {
// Check for more magic in the PE header.		// Check for more magic in the PE header.
if (pe_header->Magic != IMAGE_NT_OPTIONAL_HDR_MAGIC)		if (pe_header->Magic != IMAGE_NT_OPTIONAL_HDR_MAGIC)
return 0;		return 0;

// Finally, return the ImageBase.		// Finally, return the ImageBase.
return (uptr)pe_header->ImageBase;		return (uptr)pe_header->ImageBase;
}		}

		#ifdef __clang__
		#pragma clang diagnostic push
		#pragma clang diagnostic ignored "-Wframe-larger-than="
		#endif
void ListOfModules::init() {		void ListOfModules::init() {
clearOrInit();		clearOrInit();
HANDLE cur_process = GetCurrentProcess();		HANDLE cur_process = GetCurrentProcess();

// Query the list of modules. Start by assuming there are no more than 256		// Query the list of modules. Start by assuming there are no more than 256
// modules and retry if that's not sufficient.		// modules and retry if that's not sufficient.
HMODULE *hmodules = 0;		HMODULE *hmodules = 0;
uptr modules_buffer_size = sizeof(HMODULE) * 256;		uptr modules_buffer_size = sizeof(HMODULE) * 256;
▲ Show 20 Lines • Show All 45 Lines • ▼ Show 20 Lines	for (size_t i = 0; i < num_modules; ++i) {
cur_module.set(module_name, adjusted_base);		cur_module.set(module_name, adjusted_base);
// We add the whole module as one single address range.		// We add the whole module as one single address range.
cur_module.addAddressRange(base_address, end_address, /executable/ true,		cur_module.addAddressRange(base_address, end_address, /executable/ true,
/writable/ true);		/writable/ true);
modules_.push_back(cur_module);		modules_.push_back(cur_module);
}		}
UnmapOrDie(hmodules, modules_buffer_size);		UnmapOrDie(hmodules, modules_buffer_size);
}		}
		#ifdef __clang__
		#pragma clang diagnostic pop
		#endif

void ListOfModules::fallbackInit() { clear(); }		void ListOfModules::fallbackInit() { clear(); }

// We can't use atexit() directly at __asan_init time as the CRT is not fully		// We can't use atexit() directly at __asan_init time as the CRT is not fully
// initialized at this point. Place the functions into a vector and use		// initialized at this point. Place the functions into a vector and use
// atexit() as soon as it is ready for use (i.e. after .CRT$XIC initializers).		// atexit() as soon as it is ready for use (i.e. after .CRT$XIC initializers).
InternalMmapVectorNoCtor<void (*)(void)> atexit_functions;		InternalMmapVectorNoCtor<void (*)(void)> atexit_functions;

▲ Show 20 Lines • Show All 468 Lines • Show Last 20 Lines