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File: [cvs.NetBSD.org] / src / lib / libc / arch / sh3 / SYS.h (download)

Revision 1.11, Thu Sep 12 15:36:15 2013 UTC (9 years ago) by joerg
Branch: MAIN
CVS Tags: yamt-pagecache-base9, tls-maxphys-base, tls-earlyentropy-base, tls-earlyentropy, riastradh-xf86-video-intel-2-7-1-pre-2-21-15, riastradh-drm2-base3, prg-localcount2-base3, prg-localcount2-base2, prg-localcount2-base1, prg-localcount2-base, prg-localcount2, phil-wifi-base, phil-wifi-20200421, phil-wifi-20200411, phil-wifi-20200406, phil-wifi-20191119, phil-wifi-20190609, phil-wifi, pgoyette-localcount-base, pgoyette-localcount-20170426, pgoyette-localcount-20170320, pgoyette-localcount-20170107, pgoyette-localcount-20161104, pgoyette-localcount-20160806, pgoyette-localcount-20160726, pgoyette-localcount, pgoyette-compat-merge-20190127, pgoyette-compat-base, pgoyette-compat-20190127, pgoyette-compat-20190118, pgoyette-compat-1226, pgoyette-compat-1126, pgoyette-compat-1020, pgoyette-compat-0930, pgoyette-compat-0906, pgoyette-compat-0728, pgoyette-compat-0625, pgoyette-compat-0521, pgoyette-compat-0502, pgoyette-compat-0422, pgoyette-compat-0415, pgoyette-compat-0407, pgoyette-compat-0330, pgoyette-compat-0322, pgoyette-compat-0315, pgoyette-compat, perseant-stdc-iso10646-base, perseant-stdc-iso10646, netbsd-9-base, netbsd-9-3-RELEASE, netbsd-9-2-RELEASE, netbsd-9-1-RELEASE, netbsd-9-0-RELEASE, netbsd-9-0-RC2, netbsd-9-0-RC1, netbsd-9, netbsd-8-base, netbsd-8-2-RELEASE, netbsd-8-1-RELEASE, netbsd-8-1-RC1, netbsd-8-0-RELEASE, netbsd-8-0-RC2, netbsd-8-0-RC1, netbsd-8, netbsd-7-nhusb-base-20170116, netbsd-7-nhusb-base, netbsd-7-nhusb, netbsd-7-base, netbsd-7-2-RELEASE, netbsd-7-1-RELEASE, netbsd-7-1-RC2, netbsd-7-1-RC1, netbsd-7-1-2-RELEASE, netbsd-7-1-1-RELEASE, netbsd-7-1, netbsd-7-0-RELEASE, netbsd-7-0-RC3, netbsd-7-0-RC2, netbsd-7-0-RC1, netbsd-7-0-2-RELEASE, netbsd-7-0-1-RELEASE, netbsd-7-0, netbsd-7, matt-nb8-mediatek-base, matt-nb8-mediatek, localcount-20160914, is-mlppp-base, is-mlppp, cjep_sun2x-base1, cjep_sun2x-base, cjep_sun2x, cjep_staticlib_x-base1, cjep_staticlib_x-base, cjep_staticlib_x, bouyer-socketcan-base1, bouyer-socketcan-base, bouyer-socketcan, HEAD
Changes since 1.10: +4 -4 lines

Pass PICFLAGS down to cc-as-as and use __PIC__ to decide if it is small
vs big PIC mode. Retire -DPIC and -DBIGPIC.

/*-
 * 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.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * 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
 * SUCH DAMAGE.
 *
 *	from: @(#)SYS.h	5.5 (Berkeley) 5/7/91
 *	$NetBSD: SYS.h,v 1.11 2013/09/12 15:36:15 joerg Exp $
 */

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

#ifdef __STDC__
#define	IMMEDIATE	#
#define SYSTRAP(x)					\
		mov.l	903f, r0;			\
		trapa	IMMEDIATE 0x80;			\
		bra	904f;				\
		 nop;					\
		.align	2;				\
	903:	.long	(SYS_ ## x);			\
	904:
#else
#define SYSTRAP(x)					\
		mov.l	903f, r0;			\
		trapa	#0x80;				\
		bra	904f;				\
		 nop;					\
		.align	2;				\
	903:	.long	(SYS_/**/x);			\
	904:
#endif

#define _SYSCALL_NOERROR(x,y)				\
		ENTRY(x);				\
		SYSTRAP(y)

#ifdef __PIC__

#define JUMP_CERROR					\
		mov	r0, r4;				\
		mov.l	912f, r1;			\
		mova	912f, r0;			\
		mov.l	913f, r2;			\
		add	r1, r0;				\
		mov.l	@(r0, r2), r3;			\
		jmp	@r3;				\
		 nop;					\
		.align	2;				\
	912:	.long	_GLOBAL_OFFSET_TABLE_;		\
	913:	.long	PIC_GOT(cerror)

#else  /* !__PIC__ */

#define JUMP_CERROR					\
		mov.l	912f, r3;			\
		jmp	@r3;				\
		 mov	r0, r4;				\
		.align	2;				\
	912:	.long	cerror

#endif /* !__PIC__ */

#define _SYSCALL(x,y)					\
		.text;					\
	911:	JUMP_CERROR;				\
		_SYSCALL_NOERROR(x,y);			\
		bf	911b

#define SYSCALL_NOERROR(x)				\
		_SYSCALL_NOERROR(x,x)

#define SYSCALL(x)					\
		_SYSCALL(x,x)

#define PSEUDO_NOERROR(x,y)				\
		_SYSCALL_NOERROR(x,y);			\
		rts;					\
		 nop

#define PSEUDO(x,y)					\
		_SYSCALL(x,y);				\
		rts;					\
		 nop

#define RSYSCALL_NOERROR(x)				\
		PSEUDO_NOERROR(x,x)

#define RSYSCALL(x)					\
		PSEUDO(x,x)

#ifdef WEAK_ALIAS
#define	WSYSCALL(weak,strong)				\
		WEAK_ALIAS(weak,strong);		\
		PSEUDO(strong,weak)
#else
#define	WSYSCALL(weak,strong)				\
		PSEUDO(weak,weak)
#endif

	.globl	cerror