79 lines
2.5 KiB
C
79 lines
2.5 KiB
C
/* syntax.h -- Definitions for x86 syntax variations.
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*
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* Copyright (C) 1992, 1994, 1995, 1998,
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* 2001, 2002 Free Software Foundation, Inc.
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*
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* This file is part of Libgcrypt.
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*
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* Libgcrypt is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* Libgcrypt is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, see <https://www.gnu.org/licenses/>.
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*
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* Note: This code is heavily based on the GNU MP Library.
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* Actually it's the same code with only minor changes in the
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* way the data is stored; this is to support the abstraction
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* of an optional secure memory allocation which may be used
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* to avoid revealing of sensitive data due to paging etc.
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*/
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#include <config.h>
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#ifdef __i386__
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#include "asm-common-i386.h"
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#endif
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#undef ALIGN
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#if defined (BSD_SYNTAX) || defined (ELF_SYNTAX)
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#define R(r) %r
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#define MEM(base)(base)
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#define MEM_DISP(base,displacement)displacement(R(base))
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#define MEM_INDEX(base,index,size)(R(base),R(index),size)
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#ifdef __STDC__
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#define INSN1(mnemonic,size_suffix,dst)mnemonic##size_suffix dst
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#define INSN2(mnemonic,size_suffix,dst,src)mnemonic##size_suffix src,dst
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#else
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#define INSN1(mnemonic,size_suffix,dst)mnemonic/**/size_suffix dst
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#define INSN2(mnemonic,size_suffix,dst,src)mnemonic/**/size_suffix src,dst
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#endif
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#define TEXT .text
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#if defined (BSD_SYNTAX)
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#define ALIGN(log) .align log
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#endif
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#if defined (ELF_SYNTAX)
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#define ALIGN(log) .align 1<<(log)
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#endif
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#define GLOBL .globl
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#endif
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#ifdef INTEL_SYNTAX
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#define R(r) r
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#define MEM(base)[base]
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#define MEM_DISP(base,displacement)[base+(displacement)]
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#define MEM_INDEX(base,index,size)[base+index*size]
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#define INSN1(mnemonic,size_suffix,dst)mnemonic dst
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#define INSN2(mnemonic,size_suffix,dst,src)mnemonic dst,src
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#define TEXT .text
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#define ALIGN(log) .align log
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#define GLOBL .globl
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#endif
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#ifdef X86_BROKEN_ALIGN
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#undef ALIGN
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#define ALIGN(log) .align log,0x90
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#endif
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/* 'ret' instruction replacement for straight-line speculation mitigation */
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#define ret_spec_stop \
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ret; int3;
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