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Annotation of sys/arch/amd64/include/profile.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: profile.h,v 1.3 2006/10/28 16:20:04 kettenis Exp $    */
        !             2: /*     $NetBSD: profile.h,v 1.3 2003/11/28 23:22:45 fvdl Exp $ */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1992, 1993
        !             6:  *     The Regents of the University of California.  All rights reserved.
        !             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:  * 3. 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:  *     @(#)profile.h   8.1 (Berkeley) 6/11/93
        !            33:  */
        !            34:
        !            35: #define        _MCOUNT_DECL void _mcount
        !            36:
        !            37: #ifdef PIC
        !            38: #define __MCPLT        "@PLT"
        !            39: #else
        !            40: #define __MCPLT
        !            41: #endif
        !            42:
        !            43: #define        MCOUNT                                          \
        !            44: __asm(" .globl __mcount                \n"                     \
        !            45: "      .type __mcount,@function\n"                     \
        !            46: "__mcount:                     \n"                     \
        !            47: "      pushq   %rbp            \n"                     \
        !            48: "      movq    %rsp,%rbp       \n"                     \
        !            49: "      subq    $56,%rsp        \n"                     \
        !            50: "      movq    %rdi,0(%rsp)    \n"                     \
        !            51: "      movq    %rsi,8(%rsp)    \n"                     \
        !            52: "      movq    %rdx,16(%rsp)   \n"                     \
        !            53: "      movq    %rcx,24(%rsp)   \n"                     \
        !            54: "      movq    %r8,32(%rsp)    \n"                     \
        !            55: "      movq    %r9,40(%rsp)    \n"                     \
        !            56: "      movq    %rax,48(%rsp)   \n"                     \
        !            57: "      movq    0(%rbp),%r11    \n"                     \
        !            58: "      movq    8(%r11),%rdi    \n"                     \
        !            59: "      movq    8(%rbp),%rsi    \n"                     \
        !            60: "      call    _mcount"__MCPLT"\n"                     \
        !            61: "      movq    0(%rsp),%rdi    \n"                     \
        !            62: "      movq    8(%rsp),%rsi    \n"                     \
        !            63: "      movq    16(%rsp),%rdx   \n"                     \
        !            64: "      movq    24(%rsp),%rcx   \n"                     \
        !            65: "      movq    32(%rsp),%r8    \n"                     \
        !            66: "      movq    40(%rsp),%r9    \n"                     \
        !            67: "      movq    48(%rsp),%rax   \n"                     \
        !            68: "      leave                   \n"                     \
        !            69: "      ret                     \n"                     \
        !            70: "      .size __mcount,.-__mcount");
        !            71:
        !            72:
        !            73: #ifdef _KERNEL
        !            74: #define MCOUNT_ENTER   (void)&s; __asm__("cli");
        !            75: #define MCOUNT_EXIT    __asm__("sti");
        !            76: #endif /* _KERNEL */