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https://codeberg.org/ziglang/zig.git
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Alex Rønne Petersen
66d97267c7
This excludes all headers in /usr/include/dev because that directory is bonkers huge (18M). We can add these on an as-needed basis.
76 lines
3.1 KiB
C
Vendored
76 lines
3.1 KiB
C
Vendored
/* $OpenBSD: profile.h,v 1.12 2014/03/29 18:09:29 guenther Exp $ */
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/* $NetBSD: profile.h,v 1.6 1995/03/28 18:17:08 jtc Exp $ */
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)profile.h 8.1 (Berkeley) 6/11/93
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*/
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#define _MCOUNT_DECL static __inline void _mcount
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#define MCOUNT \
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extern void mcount(void) __asm("__mcount"); \
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__weak_alias(mcount,__mcount); \
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void \
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mcount(void) \
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{ \
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int selfpc, frompcindex; \
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int eax, ecx, edx; \
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\
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__asm volatile("movl %%eax,%0" : "=g" (eax)); \
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__asm volatile("movl %%ecx,%0" : "=g" (ecx)); \
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__asm volatile("movl %%edx,%0" : "=g" (edx)); \
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/* \
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* find the return address for mcount, \
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* and the return address for mcount's caller. \
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* \
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* selfpc = pc pushed by mcount call \
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*/ \
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__asm volatile ("movl 4(%%ebp),%0" : "=r" (selfpc)); \
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/* \
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* frompcindex = pc pushed by call into self. \
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*/ \
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__asm volatile ("movl (%%ebp),%0;movl 4(%0),%0" : \
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"+r" (frompcindex)); \
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_mcount(frompcindex, selfpc); \
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\
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__asm volatile("movl %0,%%edx" : : "g" (edx)); \
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__asm volatile("movl %0,%%ecx" : : "g" (ecx)); \
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__asm volatile("movl %0,%%eax" : : "g" (eax)); \
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}
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#ifdef _KERNEL
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/*
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* We inline the code that splhigh and splx would do here as otherwise we would
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* call recursively into mcount() as machdep.c is compiled with -pg on a
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* profiling build.
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*/
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#define MCOUNT_ENTER _SPLRAISE(s, IPL_HIGH); __splbarrier()
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#define MCOUNT_EXIT __splbarrier(); _SPLX(s)
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#endif /* _KERNEL */ |