1644ba7e8SBruce Evans /*- 2644ba7e8SBruce Evans * Copyright (c) 1990 The Regents of the University of California. 3644ba7e8SBruce Evans * All rights reserved. 4644ba7e8SBruce Evans * 5644ba7e8SBruce Evans * This code is derived from software contributed to Berkeley by 6644ba7e8SBruce Evans * William Jolitz. 7644ba7e8SBruce Evans * 8644ba7e8SBruce Evans * Redistribution and use in source and binary forms, with or without 9644ba7e8SBruce Evans * modification, are permitted provided that the following conditions 10644ba7e8SBruce Evans * are met: 11644ba7e8SBruce Evans * 1. Redistributions of source code must retain the above copyright 12644ba7e8SBruce Evans * notice, this list of conditions and the following disclaimer. 13644ba7e8SBruce Evans * 2. Redistributions in binary form must reproduce the above copyright 14644ba7e8SBruce Evans * notice, this list of conditions and the following disclaimer in the 15644ba7e8SBruce Evans * documentation and/or other materials provided with the distribution. 16644ba7e8SBruce Evans * 4. Neither the name of the University nor the names of its contributors 17644ba7e8SBruce Evans * may be used to endorse or promote products derived from this software 18644ba7e8SBruce Evans * without specific prior written permission. 19644ba7e8SBruce Evans * 20644ba7e8SBruce Evans * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21644ba7e8SBruce Evans * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22644ba7e8SBruce Evans * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23644ba7e8SBruce Evans * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24644ba7e8SBruce Evans * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25644ba7e8SBruce Evans * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26644ba7e8SBruce Evans * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27644ba7e8SBruce Evans * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28644ba7e8SBruce Evans * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29644ba7e8SBruce Evans * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30644ba7e8SBruce Evans * SUCH DAMAGE. 31644ba7e8SBruce Evans * 32644ba7e8SBruce Evans * from: @(#)DEFS.h 5.1 (Berkeley) 4/23/90 33c3aac50fSPeter Wemm * $FreeBSD$ 34644ba7e8SBruce Evans */ 35644ba7e8SBruce Evans 36a8626855SBruce Evans #ifndef _MACHINE_ASM_H_ 37a8626855SBruce Evans #define _MACHINE_ASM_H_ 38a8626855SBruce Evans 39644ba7e8SBruce Evans #include <sys/cdefs.h> 40644ba7e8SBruce Evans 41644ba7e8SBruce Evans #ifdef PIC 42644ba7e8SBruce Evans #define PIC_PLT(x) x@PLT 43afa88623SPeter Wemm #define PIC_GOT(x) x@GOTPCREL(%rip) 44644ba7e8SBruce Evans #else 45644ba7e8SBruce Evans #define PIC_PLT(x) x 46644ba7e8SBruce Evans #define PIC_GOT(x) x 47644ba7e8SBruce Evans #endif 48644ba7e8SBruce Evans 49644ba7e8SBruce Evans /* 50644ba7e8SBruce Evans * CNAME and HIDENAME manage the relationship between symbol names in C 51644ba7e8SBruce Evans * and the equivalent assembly language names. CNAME is given a name as 52644ba7e8SBruce Evans * it would be used in a C program. It expands to the equivalent assembly 53644ba7e8SBruce Evans * language name. HIDENAME is given an assembly-language name, and expands 54644ba7e8SBruce Evans * to a possibly-modified form that will be invisible to C programs. 55644ba7e8SBruce Evans */ 56644ba7e8SBruce Evans #define CNAME(csym) csym 57193b147cSPeter Wemm #define HIDENAME(asmsym) .asmsym 58644ba7e8SBruce Evans 5916f571bdSAlan Cox #define _START_ENTRY .text; .p2align 4,0x90 60a8626855SBruce Evans 61a8626855SBruce Evans #define _ENTRY(x) _START_ENTRY; \ 62a8626855SBruce Evans .globl CNAME(x); .type CNAME(x),@function; CNAME(x): 63a8626855SBruce Evans 64644ba7e8SBruce Evans #ifdef PROF 65be16a3abSBruce Evans #define ALTENTRY(x) _ENTRY(x); \ 66a5200470SPeter Wemm pushq %rbp; movq %rsp,%rbp; \ 67a8626855SBruce Evans call PIC_PLT(HIDENAME(mcount)); \ 68a5200470SPeter Wemm popq %rbp; \ 69be16a3abSBruce Evans jmp 9f 70be16a3abSBruce Evans #define ENTRY(x) _ENTRY(x); \ 71a5200470SPeter Wemm pushq %rbp; movq %rsp,%rbp; \ 72be16a3abSBruce Evans call PIC_PLT(HIDENAME(mcount)); \ 73a5200470SPeter Wemm popq %rbp; \ 74be16a3abSBruce Evans 9: 75a8626855SBruce Evans #else 76ed253219SJason Evans #define ALTENTRY(x) _ENTRY(x) 77be16a3abSBruce Evans #define ENTRY(x) _ENTRY(x) 78644ba7e8SBruce Evans #endif 7913a44161SBruce Evans 80a8626855SBruce Evans #define RCSID(x) .text; .asciz x 81a8626855SBruce Evans 82439a4003SDavid E. O'Brien #undef __FBSDID 83439a4003SDavid E. O'Brien #if !defined(lint) && !defined(STRIP_FBSDID) 84439a4003SDavid E. O'Brien #define __FBSDID(s) .ident s 85439a4003SDavid E. O'Brien #else 86439a4003SDavid E. O'Brien #define __FBSDID(s) /* nothing */ 87439a4003SDavid E. O'Brien #endif /* not lint and not STRIP_FBSDID */ 88439a4003SDavid E. O'Brien 89a8626855SBruce Evans #endif /* !_MACHINE_ASM_H_ */ 90