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

#include <uapi/asm-generic/unistd.h>
#include <linux/export.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
#define cond_syscall(x) asm(".weak\t" VMLINUX_SYMBOL_STR(x) "\n\t"	\
			    ".set\t" VMLINUX_SYMBOL_STR(x) ","	\
			    VMLINUX_SYMBOL_STR(sys_ni_syscall))
#endif
Commit	Line	Data
8a1ab315	1	#include <uapi/asm-generic/unistd.h>
b92021b0	2	#include <linux/export.h>
e64a1617 AB	3
	4	/*
	5	* These are required system calls, we should
	6	* invert the logic eventually and let them
	7	* be selected by default.
	8	*/
	9	#if __BITS_PER_LONG == 32
	10	#define __ARCH_WANT_STAT64
	11	#define __ARCH_WANT_SYS_LLSEEK
	12	#endif
e64a1617 AB	13
	14	/*
	15	* "Conditional" syscalls
	16	*
	17	* What we want is __attribute__((weak,alias("sys_ni_syscall"))),
	18	* but it doesn't work on all toolchains, so we just do it by hand
	19	*/
	20	#ifndef cond_syscall
b92021b0 RR	21	#define cond_syscall(x) asm(".weak\t" VMLINUX_SYMBOL_STR(x) "\n\t" \
	22	".set\t" VMLINUX_SYMBOL_STR(x) "," \
	23	VMLINUX_SYMBOL_STR(sys_ni_syscall))
e64a1617	24	#endif