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106 lines
3.2 KiB
C
106 lines
3.2 KiB
C
/* $NetBSD: asm.h,v 1.1 2014/09/03 19:34:26 matt Exp $ */
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/*-
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* Copyright (c) 2014 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Matt Thomas of 3am Software Foundry.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _OR1K_ASM_H_
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#define _OR1K_ASM_H_
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#define __BIT(n) (1 << (n))
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#define __BITS(hi,lo) ((~((~0)<<((hi)+1)))&((~0)<<(lo)))
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#define _C_LABEL(x) x
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#define _ASM_LABEL(x) x
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#define __CONCAT(x,y) x ## y
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#define __STRING(x) #x
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#ifndef _ALIGN_TEXT
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# define _ALIGN_TEXT .align 4
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#endif
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#ifndef _TEXT_SECTION
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#define _TEXT_SECTION .text
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#endif
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#define _ASM_TYPE_FUNCTION @function
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#define _ASM_TYPE_OBJECT @object
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#define _ENTRY(x) \
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_TEXT_SECTION; _ALIGN_TEXT; .globl x; .type x,_ASM_TYPE_FUNCTION; x:
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#define _END(x) .size x,.-x
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#ifdef GPROF
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# define _PROF_PROLOGUE \
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mov x9, x30; l.jal __mcount
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#else
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# define _PROF_PROLOGUE
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#endif
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#define ENTRY(y) _ENTRY(_C_LABEL(y)); _PROF_PROLOGUE
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#define ENTRY_NP(y) _ENTRY(_C_LABEL(y))
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#define END(y) _END(_C_LABEL(y))
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#define END(y) _END(_C_LABEL(y))
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#define ASENTRY(y) _ENTRY(_ASM_LABEL(y)); _PROF_PROLOGUE
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#define ASENTRY_NP(y) _ENTRY(_ASM_LABEL(y))
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#define ASEND(y) _END(_ASM_LABEL(y))
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#define ASMSTR .asciz
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#ifdef __PIC__
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#define PLT(x) plt(x)
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#define PIC_GOTSETUP(r) \
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l.jal 999f ;\
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l.nop ;\
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999: l.movhi r,gotpchi(_GLOBAL_OFFSET_TABLE_+0) ;\
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l.ori r,r,gotpclo(_GLOBAL_OFFSET_TABLE_+4) ;\
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l.add r,r,r9
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#else
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#define PLT(x) x
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#endif
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#define __RCSID(x) .pushsection ".ident"; .asciz x; .popsection
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#define RCSID(x) __RCSID(x)
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#define WEAK_ALIAS(alias,sym) \
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.weak alias; \
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alias = sym
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/*
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* STRONG_ALIAS: create a strong alias.
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*/
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#define STRONG_ALIAS(alias,sym) \
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.globl alias; \
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alias = sym
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#define WARN_REFERENCES(sym,msg) \
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.pushsection .gnu.warning. ## sym; \
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.ascii msg; \
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.popsection
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#endif /* !_OR1K_ASM_H_ */
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