1*3bac6f2aSAaron LI /* $NetBSD: asm.h,v 1.22 2021/04/17 20:12:55 rillig Exp $ */ 2*3bac6f2aSAaron LI 3*3bac6f2aSAaron LI /*- 4*3bac6f2aSAaron LI * Copyright (c) 1990 The Regents of the University of California. 5*3bac6f2aSAaron LI * All rights reserved. 6*3bac6f2aSAaron LI * 7*3bac6f2aSAaron LI * This code is derived from software contributed to Berkeley by 8*3bac6f2aSAaron LI * William Jolitz. 9*3bac6f2aSAaron LI * 10*3bac6f2aSAaron LI * Redistribution and use in source and binary forms, with or without 11*3bac6f2aSAaron LI * modification, are permitted provided that the following conditions 12*3bac6f2aSAaron LI * are met: 13*3bac6f2aSAaron LI * 1. Redistributions of source code must retain the above copyright 14*3bac6f2aSAaron LI * notice, this list of conditions and the following disclaimer. 15*3bac6f2aSAaron LI * 2. Redistributions in binary form must reproduce the above copyright 16*3bac6f2aSAaron LI * notice, this list of conditions and the following disclaimer in the 17*3bac6f2aSAaron LI * documentation and/or other materials provided with the distribution. 18*3bac6f2aSAaron LI * 3. Neither the name of the University nor the names of its contributors 19*3bac6f2aSAaron LI * may be used to endorse or promote products derived from this software 20*3bac6f2aSAaron LI * without specific prior written permission. 21*3bac6f2aSAaron LI * 22*3bac6f2aSAaron LI * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23*3bac6f2aSAaron LI * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24*3bac6f2aSAaron LI * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25*3bac6f2aSAaron LI * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26*3bac6f2aSAaron LI * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27*3bac6f2aSAaron LI * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28*3bac6f2aSAaron LI * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29*3bac6f2aSAaron LI * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30*3bac6f2aSAaron LI * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31*3bac6f2aSAaron LI * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32*3bac6f2aSAaron LI * SUCH DAMAGE. 33*3bac6f2aSAaron LI * 34*3bac6f2aSAaron LI * @(#)asm.h 5.5 (Berkeley) 5/7/91 35*3bac6f2aSAaron LI */ 36*3bac6f2aSAaron LI 37*3bac6f2aSAaron LI /* 38*3bac6f2aSAaron LI * Derived from NetBSD: /sys/arch/amd64/include/asm.h 39*3bac6f2aSAaron LI */ 40*3bac6f2aSAaron LI 41*3bac6f2aSAaron LI #ifndef _AMD64_ASM_H_ 42*3bac6f2aSAaron LI #define _AMD64_ASM_H_ 43*3bac6f2aSAaron LI 44*3bac6f2aSAaron LI #define _C_LABEL(x) x 45*3bac6f2aSAaron LI #define _ASM_LABEL(x) x 46*3bac6f2aSAaron LI 47*3bac6f2aSAaron LI #define __CONCAT(x,y) x ## y 48*3bac6f2aSAaron LI #define __STRING(x) #x 49*3bac6f2aSAaron LI 50*3bac6f2aSAaron LI #define _ALIGN_TEXT .p2align 4 51*3bac6f2aSAaron LI #define ALIGN_TEXT _ALIGN_TEXT 52*3bac6f2aSAaron LI 53*3bac6f2aSAaron LI #define _ENTRY(x) \ 54*3bac6f2aSAaron LI .text; _ALIGN_TEXT; .globl x; .type x,@function; x: 55*3bac6f2aSAaron LI #define _LABEL(x) \ 56*3bac6f2aSAaron LI .globl x; x: 57*3bac6f2aSAaron LI 58*3bac6f2aSAaron LI #define IDTVEC(name) \ 59*3bac6f2aSAaron LI ALIGN_TEXT; .globl X ## name; .type X ## name,@function; X ## name: 60*3bac6f2aSAaron LI #define IDTVEC_END(name) \ 61*3bac6f2aSAaron LI .size X ## name, . - X ## name 62*3bac6f2aSAaron LI 63*3bac6f2aSAaron LI #ifdef __PIC__ 64*3bac6f2aSAaron LI #define PIC_PLT(x) x@PLT 65*3bac6f2aSAaron LI #define PIC_GOT(x) x@GOTPCREL(%rip) 66*3bac6f2aSAaron LI #else 67*3bac6f2aSAaron LI #define PIC_PLT(x) x 68*3bac6f2aSAaron LI #define PIC_GOT(x) x 69*3bac6f2aSAaron LI #endif 70*3bac6f2aSAaron LI 71*3bac6f2aSAaron LI #ifdef GPROF 72*3bac6f2aSAaron LI # define _PROF_PROLOGUE \ 73*3bac6f2aSAaron LI pushq %rbp; leaq (%rsp),%rbp; call PIC_PLT(__mcount); popq %rbp 74*3bac6f2aSAaron LI #else 75*3bac6f2aSAaron LI # define _PROF_PROLOGUE 76*3bac6f2aSAaron LI #endif 77*3bac6f2aSAaron LI 78*3bac6f2aSAaron LI #define ENTRY(y) _ENTRY(_C_LABEL(y)); _PROF_PROLOGUE 79*3bac6f2aSAaron LI #define LABEL(y) _LABEL(_C_LABEL(y)) 80*3bac6f2aSAaron LI #define END(y) .size y, . - y 81*3bac6f2aSAaron LI 82*3bac6f2aSAaron LI #endif /* !_AMD64_ASM_H_ */ 83