1 /* $NetBSD: profile.h,v 1.3 2003/11/28 23:22:45 fvdl Exp $ */ 2 3 /* 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)profile.h 8.1 (Berkeley) 6/11/93 32 */ 33 34 #define _MCOUNT_DECL void _mcount 35 36 #define EPROL_EXPORT __asm(".globl _eprol") 37 38 #ifdef PIC 39 #define __MCPLT "@PLT" 40 #else 41 #define __MCPLT 42 #endif 43 44 #define MCOUNT \ 45 __weak_alias(mcount, __mcount) \ 46 __asm(" .globl __mcount \n" \ 47 " .type __mcount,@function\n" \ 48 "__mcount: \n" \ 49 " pushq %rbp \n" \ 50 " movq %rsp,%rbp \n" \ 51 " subq $56,%rsp \n" \ 52 " movq %rdi,0(%rsp) \n" \ 53 " movq %rsi,8(%rsp) \n" \ 54 " movq %rdx,16(%rsp) \n" \ 55 " movq %rcx,24(%rsp) \n" \ 56 " movq %r8,32(%rsp) \n" \ 57 " movq %r9,40(%rsp) \n" \ 58 " movq %rax,48(%rsp) \n" \ 59 " movq 0(%rbp),%r11 \n" \ 60 " movq 8(%r11),%rdi \n" \ 61 " movq 8(%rbp),%rsi \n" \ 62 " call _mcount \n" \ 63 " movq 0(%rsp),%rdi \n" \ 64 " movq 8(%rsp),%rsi \n" \ 65 " movq 16(%rsp),%rdx \n" \ 66 " movq 24(%rsp),%rcx \n" \ 67 " movq 32(%rsp),%r8 \n" \ 68 " movq 40(%rsp),%r9 \n" \ 69 " movq 48(%rsp),%rax \n" \ 70 " leave \n" \ 71 " ret \n" \ 72 " .size __mcount,.-__mcount"); 73 74 75 #ifdef _KERNEL 76 #define MCOUNT_ENTER (void)&s; __asm__("cli"); 77 #define MCOUNT_EXIT __asm__("sti"); 78 #endif /* _KERNEL */ 79