1/*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * William Jolitz. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 4. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * from: @(#)DEFS.h 5.1 (Berkeley) 4/23/90
| 1/*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * William Jolitz. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 4. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * from: @(#)DEFS.h 5.1 (Berkeley) 4/23/90
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34 */ 35 36#ifndef _MACHINE_ASM_H_ 37#define _MACHINE_ASM_H_ 38 39#include <sys/cdefs.h> 40 41#ifdef PIC 42#define PIC_PLT(x) x@PLT 43#define PIC_GOT(x) x@GOTPCREL(%rip) 44#else 45#define PIC_PLT(x) x 46#endif 47 48/* 49 * CNAME and HIDENAME manage the relationship between symbol names in C 50 * and the equivalent assembly language names. CNAME is given a name as 51 * it would be used in a C program. It expands to the equivalent assembly 52 * language name. HIDENAME is given an assembly-language name, and expands 53 * to a possibly-modified form that will be invisible to C programs. 54 */ 55#define CNAME(csym) csym 56#define HIDENAME(asmsym) .asmsym 57 58#define _START_ENTRY .text; .p2align 4,0x90 59 60#define _ENTRY(x) _START_ENTRY; \ 61 .globl CNAME(x); .type CNAME(x),@function; CNAME(x): 62 63#ifdef PROF 64#define ALTENTRY(x) _ENTRY(x); \ 65 pushq %rbp; movq %rsp,%rbp; \ 66 call PIC_PLT(HIDENAME(mcount)); \ 67 popq %rbp; \ 68 jmp 9f 69#define ENTRY(x) _ENTRY(x); \ 70 pushq %rbp; movq %rsp,%rbp; \ 71 call PIC_PLT(HIDENAME(mcount)); \ 72 popq %rbp; \ 73 9: 74#else 75#define ALTENTRY(x) _ENTRY(x) 76#define ENTRY(x) _ENTRY(x) 77#endif 78 79#define END(x) .size x, . - x
| 34 */ 35 36#ifndef _MACHINE_ASM_H_ 37#define _MACHINE_ASM_H_ 38 39#include <sys/cdefs.h> 40 41#ifdef PIC 42#define PIC_PLT(x) x@PLT 43#define PIC_GOT(x) x@GOTPCREL(%rip) 44#else 45#define PIC_PLT(x) x 46#endif 47 48/* 49 * CNAME and HIDENAME manage the relationship between symbol names in C 50 * and the equivalent assembly language names. CNAME is given a name as 51 * it would be used in a C program. It expands to the equivalent assembly 52 * language name. HIDENAME is given an assembly-language name, and expands 53 * to a possibly-modified form that will be invisible to C programs. 54 */ 55#define CNAME(csym) csym 56#define HIDENAME(asmsym) .asmsym 57 58#define _START_ENTRY .text; .p2align 4,0x90 59 60#define _ENTRY(x) _START_ENTRY; \ 61 .globl CNAME(x); .type CNAME(x),@function; CNAME(x): 62 63#ifdef PROF 64#define ALTENTRY(x) _ENTRY(x); \ 65 pushq %rbp; movq %rsp,%rbp; \ 66 call PIC_PLT(HIDENAME(mcount)); \ 67 popq %rbp; \ 68 jmp 9f 69#define ENTRY(x) _ENTRY(x); \ 70 pushq %rbp; movq %rsp,%rbp; \ 71 call PIC_PLT(HIDENAME(mcount)); \ 72 popq %rbp; \ 73 9: 74#else 75#define ALTENTRY(x) _ENTRY(x) 76#define ENTRY(x) _ENTRY(x) 77#endif 78 79#define END(x) .size x, . - x
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