1/*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * William Jolitz. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 16 unchanged lines hidden (view full) --- 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)SYS.h 5.5 (Berkeley) 5/7/91 |
33 * $FreeBSD: head/lib/libc/i386/SYS.h 240152 2012-09-05 21:41:05Z jilles $ |
34 */ 35 36#include <sys/syscall.h> 37#include <machine/asm.h> 38 |
39#define SYSCALL(x) ENTRY(__CONCAT(__sys_,x)); \ |
40 .weak CNAME(x); \ 41 .set CNAME(x),CNAME(__CONCAT(__sys_,x)); \ 42 .weak CNAME(__CONCAT(_,x)); \ 43 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \ |
44 mov __CONCAT($SYS_,x),%eax; KERNCALL; \ 45 jb HIDENAME(cerror) |
46 47#define RSYSCALL(x) SYSCALL(x); ret; END(__CONCAT(__sys_,x)) 48 |
49#define PSEUDO(x) ENTRY(__CONCAT(__sys_,x)); \ |
50 .weak CNAME(__CONCAT(_,x)); \ 51 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \ |
52 mov __CONCAT($SYS_,x),%eax; KERNCALL; \ 53 jb HIDENAME(cerror); ret; \ |
54 END(__CONCAT(__sys_,x)) 55 56/* gas messes up offset -- although we don't currently need it, do for BCS */ 57#define LCALL(x,y) .byte 0x9a ; .long y; .word x 58 59#define KERNCALL int $0x80 |