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zig/lib/libc/include/arm-openbsd-eabi/arm/asm.h
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Alex Rønne Petersen 66d97267c7 libc: add openbsd 7.8 headers
This excludes all headers in /usr/include/dev because that directory is bonkers
huge (18M). We can add these on an as-needed basis.
2026-01-05 14:52:48 +01:00

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3.2 KiB
C
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/* $OpenBSD: asm.h,v 1.13 2022/12/08 01:25:44 guenther Exp $ */
/* $NetBSD: asm.h,v 1.4 2001/07/16 05:43:32 matt Exp $ */
/*
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* William Jolitz.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: @(#)asm.h 5.5 (Berkeley) 5/7/91
*/
#ifndef _ARM_ASM_H_
#define _ARM_ASM_H_
#define _C_LABEL(x) x
#define _ASM_LABEL(x) x
#ifdef __STDC__
# define __CONCAT(x,y) x ## y
# define __STRING(x) #x
#else
# define __CONCAT(x,y) x/**/y
# define __STRING(x) "x"
#endif
#ifndef _ALIGN_TEXT
# define _ALIGN_TEXT .align 2
#endif
/*
* gas/arm uses @ as a single comment character and thus cannot be used here
* Instead it recognised the # instead of an @ symbols in .type directives
* We define a couple of macros so that assembly code will not be dependant
* on one or the other.
*/
#define _ASM_TYPE_FUNCTION #function
#define _ASM_TYPE_OBJECT #object
/* NB == No Binding: use .globl or .weak as necessary */
#define _ENTRY_NB(x) \
.text; _ALIGN_TEXT; .type x,_ASM_TYPE_FUNCTION; x:
#define _ENTRY(x) .globl x; _ENTRY_NB(x)
#if defined(PROF) || defined(GPROF)
# define _PROF_PROLOGUE \
mov ip, lr; bl __mcount
#else
# define _PROF_PROLOGUE
#endif
#define ENTRY(y) _ENTRY(y); _PROF_PROLOGUE
#define ENTRY_NP(y) _ENTRY(y)
#define ENTRY_NB(y) _ENTRY_NB(y); _PROF_PROLOGUE
#define ASENTRY(y) _ENTRY(y); _PROF_PROLOGUE
#define ASENTRY_NP(y) _ENTRY(y)
#define END(y) .size y, . - y
#if defined(__PIC__)
#define PIC_SYM(x,y) x(y)
#else
#define PIC_SYM(x,y) x
#endif
#define STRONG_ALIAS(alias,sym) \
.global alias; \
alias = sym
#define WEAK_ALIAS(alias,sym) \
.weak alias; \
alias = sym
#endif /* !_ARM_ASM_H_ */