Differential D14609 Diff 48384 lib/libsys/sparc64/SYS.h

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lib/libsys/sparc64/SYS.h

This file was copied from lib/libc/i386/SYS.h.

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	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	* SUCH DAMAGE.			* SUCH DAMAGE.
	*			*
	* @(#)SYS.h 5.5 (Berkeley) 5/7/91			* @(#)SYS.h 5.5 (Berkeley) 5/7/91
				* from: FreeBSD: src/lib/libc/i386/SYS.h,v 1.20 2001/01/29
	* $FreeBSD$			* $FreeBSD$
	*/			*/

	#include <sys/syscall.h>			#include <sys/syscall.h>

	#include <machine/asm.h>			#include <machine/asm.h>
				#include <machine/utrap.h>

	#define SYSCALL(name) ENTRY(__sys_##name); \			#define ERROR() \
	WEAK_REFERENCE(__sys_##name, name); \			mov %o7, %g1 ; \
	WEAK_REFERENCE(__sys_##name, _##name); \			call HIDENAME(cerror) ; \
	mov $SYS_##name,%eax; KERNCALL; \			mov %g1, %o7
	jb HIDENAME(cerror)

	#define RSYSCALL(name) SYSCALL(name); ret; END(__sys_##name)			#define _SYSENTRY(x) \
				ENTRY(__CONCAT(__sys_,x)) ; \
				.weak CNAME(x) ; \
				.type CNAME(x),@function ; \
				.set CNAME(x),CNAME(__CONCAT(__sys_,x)) ; \
				.weak CNAME(__CONCAT(_,x)) ; \
				.type CNAME(__CONCAT(_,x)), @function ; \
				.set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x))

	#define PSEUDO(name) ENTRY(__sys_##name); \			#define _SYSEND(x) \
	WEAK_REFERENCE(__sys_##name, _##name); \			.size CNAME(__CONCAT(__sys_,x)), . - CNAME(__CONCAT(__sys_,x)) ; \
	mov $SYS_##name,%eax; KERNCALL; \			.size CNAME(__CONCAT(_,x)), . - CNAME(__CONCAT(__sys_,x)) ; \
	jb HIDENAME(cerror); ret; \			.size CNAME(__CONCAT(,x)), . - CNAME(__CONCAT(__sys_,x))
	END(__sys_##name)

	/* gas messes up offset -- although we don't currently need it, do for BCS */			#define _SYSCALL(x) \
	#define LCALL(x,y) .byte 0x9a ; .long y; .word x			mov __CONCAT(SYS_,x), %g1 ; \
				ta %xcc, ST_SYSCALL ; \
				bcc,a,pt %xcc, 1f ; \
				nop ; \
				ERROR() ; \
				1:

	#define KERNCALL int $0x80			#define RSYSCALL(x) \
				_SYSENTRY(x) ; \
				_SYSCALL(x) ; \
				retl ; \
				nop ; \
				_SYSEND(x)

				#define PSEUDO(x) \
				ENTRY(__CONCAT(__sys_,x)) ; \
				.weak CNAME(__CONCAT(_,x)) ; \
				.type CNAME(__CONCAT(_,x)),@function ; \
				.set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)) ; \
				_SYSCALL(x) ; \
				retl ; \
				nop ; \
				.size CNAME(__CONCAT(__sys_,x)), . - CNAME(__CONCAT(__sys_,x)) ; \
				.size CNAME(__CONCAT(_,x)), . - CNAME(__CONCAT(__sys_,x))