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