16f571bd18
(The Opteron's instruction fetcher reads instructions from the L1 cache in 16-byte, aligned packets.)
90 lines
3.0 KiB
C
90 lines
3.0 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
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _MACHINE_ASM_H_
|
|
#define _MACHINE_ASM_H_
|
|
|
|
#include <sys/cdefs.h>
|
|
|
|
#ifdef PIC
|
|
#define PIC_PLT(x) x@PLT
|
|
#define PIC_GOT(x) x@GOTPCREL(%rip)
|
|
#else
|
|
#define PIC_PLT(x) x
|
|
#define PIC_GOT(x) x
|
|
#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) .asmsym
|
|
|
|
#define _START_ENTRY .text; .p2align 4,0x90
|
|
|
|
#define _ENTRY(x) _START_ENTRY; \
|
|
.globl CNAME(x); .type CNAME(x),@function; CNAME(x):
|
|
|
|
#ifdef PROF
|
|
#define ALTENTRY(x) _ENTRY(x); \
|
|
pushq %rbp; movq %rsp,%rbp; \
|
|
call PIC_PLT(HIDENAME(mcount)); \
|
|
popq %rbp; \
|
|
jmp 9f
|
|
#define ENTRY(x) _ENTRY(x); \
|
|
pushq %rbp; movq %rsp,%rbp; \
|
|
call PIC_PLT(HIDENAME(mcount)); \
|
|
popq %rbp; \
|
|
9:
|
|
#else
|
|
#define ALTENTRY(x) _ENTRY(x)
|
|
#define ENTRY(x) _ENTRY(x)
|
|
#endif
|
|
|
|
#define RCSID(x) .text; .asciz x
|
|
|
|
#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_ */
|