2fcbca0d85
license, per letter dated July 22, 1999 and email from Peter Wemm, Alan Cox and Robert Watson. Approved by: core, peter, alc, rwatson
110 lines
3.6 KiB
C
110 lines
3.6 KiB
C
/*-
|
|
* 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.
|
|
* 4. 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: @(#)DEFS.h 5.1 (Berkeley) 4/23/90
|
|
* from: FreeBSD: src/sys/i386/include/asm.h,v 1.7 2000/01/25
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _MACHINE_ASM_H_
|
|
#define _MACHINE_ASM_H_
|
|
|
|
#define __ASM__
|
|
|
|
#include <sys/cdefs.h>
|
|
|
|
#ifdef PIC
|
|
#define PIC_PROLOGUE(r1, r2) \
|
|
sethi %hi(_GLOBAL_OFFSET_TABLE_-4), r1 ; \
|
|
rd %pc, r2 ; \
|
|
or r1, %lo(_GLOBAL_OFFSET_TABLE_+4), r1 ; \
|
|
add r2, r1, r2
|
|
#define SET(name, r1, r2) \
|
|
set name, r2 ; \
|
|
ldx [r1 + r2], r2
|
|
#else
|
|
#define PIC_PROLOGUE(r1, r2)
|
|
#define SET(name, r1, r2) \
|
|
set name, r2
|
|
#endif
|
|
|
|
/*
|
|
* CNAME and HIDENAME manage the relationship between symbol names in C
|
|
* and the equivalent assembly language names. CNAME is given a name as
|
|
* it would be used in a C program. It expands to the equivalent assembly
|
|
* language name. HIDENAME is given an assembly-language name, and expands
|
|
* to a possibly-modified form that will be invisible to C programs.
|
|
*/
|
|
#define CNAME(csym) csym
|
|
#define HIDENAME(asmsym) __CONCAT(.,asmsym)
|
|
|
|
#define CCFSZ 192
|
|
#define SPOFF 2047
|
|
|
|
#define _ALIGN_TEXT .align 32
|
|
|
|
#define _START_ENTRY \
|
|
.text ; \
|
|
_ALIGN_TEXT
|
|
|
|
/*
|
|
* Define a function entry point.
|
|
*
|
|
* The compiler produces #function for the .type pseudo-op, but the '#'
|
|
* character has special meaning in cpp macros, so we use @function like
|
|
* other architectures. The assembler seems to accept both.
|
|
* The assembler also accepts a .proc pseudo-op, which is used by the
|
|
* peep hole optimizer, whose argument is the type code of the return
|
|
* value. Since this is difficult to predict and its expected that
|
|
* assembler code is already optimized, we leave it out.
|
|
*/
|
|
#define _ENTRY(x) \
|
|
_START_ENTRY ; \
|
|
.globl CNAME(x) ; \
|
|
.type CNAME(x),@function ; \
|
|
CNAME(x):
|
|
|
|
#define ENTRY(x) _ENTRY(x)
|
|
#define END(x) .size x, . - x
|
|
|
|
/*
|
|
* Kernel RCS ID tag and copyright macros
|
|
*/
|
|
|
|
#undef __FBSDID
|
|
#if !defined(lint) && !defined(STRIP_FBSDID)
|
|
#define __FBSDID(s) .ident s
|
|
#else
|
|
#define __FBSDID(s) /* nothing */
|
|
#endif /* not lint and not STRIP_FBSDID */
|
|
|
|
#endif /* !_MACHINE_ASM_H_ */
|