instrumented.h: Introduce read-write instrumentation hooks (00047c2e) · Commits · 戴 / test

include/linux/instrumented.h

+30 −0

Original line number	Diff line number	Diff line
		@@ -42,6 +42,21 @@ static __always_inline void instrument_write(const volatile void *v, size_t size
		kcsan_check_write(v, size);
		}

		/**
		* instrument_read_write - instrument regular read-write access
		*
		* Instrument a regular write access. The instrumentation should be inserted
		* before the actual write happens.
		*
		* @ptr address of access
		* @size size of access
		*/
		static __always_inline void instrument_read_write(const volatile void *v, size_t size)
		{
		kasan_check_write(v, size);
		kcsan_check_read_write(v, size);
		}

		/**
		* instrument_atomic_read - instrument atomic read access
		*
		@@ -72,6 +87,21 @@ static __always_inline void instrument_atomic_write(const volatile void *v, size
		kcsan_check_atomic_write(v, size);
		}

		/**
		* instrument_atomic_read_write - instrument atomic read-write access
		*
		* Instrument an atomic read-write access. The instrumentation should be
		* inserted before the actual write happens.
		*
		* @ptr address of access
		* @size size of access
		*/
		static __always_inline void instrument_atomic_read_write(const volatile void *v, size_t size)
		{
		kasan_check_write(v, size);
		kcsan_check_atomic_read_write(v, size);
		}

		/**
		* instrument_copy_to_user - instrument reads of copy_to_user
		*