[mirror_ubuntu-zesty-kernel.git] / include / asm-generic / unistd.h

#include <uapi/asm-generic/unistd.h>

/*
 * These are required system calls, we should
 * invert the logic eventually and let them
 * be selected by default.
 */
#if __BITS_PER_LONG == 32
#define __ARCH_WANT_STAT64
#define __ARCH_WANT_SYS_LLSEEK
#endif

/*
 * "Conditional" syscalls
 *
 * What we want is __attribute__((weak,alias("sys_ni_syscall"))),
 * but it doesn't work on all toolchains, so we just do it by hand
 */
#ifndef cond_syscall
#ifdef CONFIG_SYMBOL_PREFIX
#define __SYMBOL_PREFIX CONFIG_SYMBOL_PREFIX
#else
#define __SYMBOL_PREFIX
#endif
#define cond_syscall(x) asm(".weak\t" __SYMBOL_PREFIX #x "\n\t" \
			    ".set\t" __SYMBOL_PREFIX #x "," \
			    __SYMBOL_PREFIX "sys_ni_syscall")
#endif
Commit	Line	Data
8a1ab315	1	#include <uapi/asm-generic/unistd.h>
e64a1617 AB	2
	3	/*
	4	* These are required system calls, we should
	5	* invert the logic eventually and let them
	6	* be selected by default.
	7	*/
	8	#if __BITS_PER_LONG == 32
	9	#define __ARCH_WANT_STAT64
	10	#define __ARCH_WANT_SYS_LLSEEK
	11	#endif
e64a1617 AB	12
	13	/*
	14	* "Conditional" syscalls
	15	*
	16	* What we want is __attribute__((weak,alias("sys_ni_syscall"))),
	17	* but it doesn't work on all toolchains, so we just do it by hand
	18	*/
	19	#ifndef cond_syscall
4dd3c959 JH	20	#ifdef CONFIG_SYMBOL_PREFIX
	21	#define __SYMBOL_PREFIX CONFIG_SYMBOL_PREFIX
	22	#else
	23	#define __SYMBOL_PREFIX
	24	#endif
	25	#define cond_syscall(x) asm(".weak\t" __SYMBOL_PREFIX #x "\n\t" \
	26	".set\t" __SYMBOL_PREFIX #x "," \
	27	__SYMBOL_PREFIX "sys_ni_syscall")
e64a1617	28	#endif