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/*- * 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: release/9.1.0/sys/amd64/include/asm.h 171914 2007-08-22 04:26:07Z jkoshy $ */ #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 END(x) .size x, . - x #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_ */