[linux-2.6-block.git] / include / linux / compiler-clang.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LINUX_COMPILER_H
#error "Please don't include <linux/compiler-clang.h> directly, include <linux/compiler.h> instead."
#endif

/* Some compiler specific definitions are overwritten here
 * for Clang compiler
 */

#ifdef uninitialized_var
#undef uninitialized_var
#define uninitialized_var(x) x = *(&(x))
#endif

/* same as gcc, this was present in clang-2.6 so we can assume it works
 * with any version that can compile the kernel
 */
#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
565cbdc2 MC	2	#ifndef __LINUX_COMPILER_H
	3	#error "Please don't include <linux/compiler-clang.h> directly, include <linux/compiler.h> instead."
	4	#endif
	5
	6	/* Some compiler specific definitions are overwritten here
	7	* for Clang compiler
	8	*/
	9
	10	#ifdef uninitialized_var
	11	#undef uninitialized_var
	12	#define uninitialized_var(x) x = *(&(x))
	13	#endif
b41c29b0 AB	14
	15	/* same as gcc, this was present in clang-2.6 so we can assume it works
	16	* with any version that can compile the kernel
	17	*/
	18	#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)