[unix-history] / usr / src / lib / libc / i386 / SYS.h

/*-
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * William Jolitz.
 *
 * %sccs.include.redist.c%
 *
 *	@(#)SYS.h	5.2 (Berkeley) %G%
 */

#include <syscall.h>

#ifdef PROF
#define	ENTRY(x)	.globl _/**/x; \
			.data; 1:; .long 0; .text; _/**/x:	.align 4; \
			movl $1b,%eax; call mcount
#else
#define	ENTRY(x)	.globl _/**/x; .text; .align 4; _/**/x: 
#endif PROF
#define	SYSCALL(x)	2: jmp cerror; ENTRY(x); lea SYS_/**/x,%eax; LCALL(7,0); jb 2b
#define	PSEUDO(x,y)	ENTRY(x); lea SYS_/**/y, %eax; ; LCALL(7,0)
#define	CALL(x,y)	call _/**/y; addl $4*x,%esp
/* gas fucks up offset -- although we don't currently need it, do for BCS */
#define	LCALL(x,y)	.byte 0x9a ; .long y; .word x

#define	ASMSTR		.asciz

	.globl	cerror
Commit	Line	Data
b7468159 WN	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	* %sccs.include.redist.c%
	9	*
8d39917d	10	* @(#)SYS.h 5.2 (Berkeley) %G%
b7468159 WN	11	*/
	12
	13	#include <syscall.h>
	14
	15	#ifdef PROF
	16	#define ENTRY(x) .globl _/**/x; \
	17	.data; 1:; .long 0; .text; _/**/x: .align 4; \
	18	movl $1b,%eax; call mcount
	19	#else
	20	#define ENTRY(x) .globl _//x; .text; .align 4; _//x:
	21	#endif PROF
	22	#define SYSCALL(x) 2: jmp cerror; ENTRY(x); lea SYS_/**/x,%eax; LCALL(7,0); jb 2b
	23	#define PSEUDO(x,y) ENTRY(x); lea SYS_/**/y, %eax; ; LCALL(7,0)
	24	#define CALL(x,y) call _/*/y; addl $4x,%esp
	25	/* gas fucks up offset -- although we don't currently need it, do for BCS */
	26	#define LCALL(x,y) .byte 0x9a ; .long y; .word x
	27
8d39917d KB	28	#define ASMSTR .asciz
8d39917d KB	29
b7468159	30	.globl cerror