github.com/aergoio/aergo@v1.3.1/libtool/src/gmp-6.1.2/mpn/arm/arm-defs.m4 (about)

     1  divert(-1)
     2  
     3  dnl  m4 macros for ARM assembler.
     4  
     5  dnl  Copyright 2001, 2012, 2013 Free Software Foundation, Inc.
     6  
     7  dnl  This file is part of the GNU MP Library.
     8  dnl
     9  dnl  The GNU MP Library is free software; you can redistribute it and/or modify
    10  dnl  it under the terms of either:
    11  dnl
    12  dnl    * the GNU Lesser General Public License as published by the Free
    13  dnl      Software Foundation; either version 3 of the License, or (at your
    14  dnl      option) any later version.
    15  dnl
    16  dnl  or
    17  dnl
    18  dnl    * the GNU General Public License as published by the Free Software
    19  dnl      Foundation; either version 2 of the License, or (at your option) any
    20  dnl      later version.
    21  dnl
    22  dnl  or both in parallel, as here.
    23  dnl
    24  dnl  The GNU MP Library is distributed in the hope that it will be useful, but
    25  dnl  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
    26  dnl  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    27  dnl  for more details.
    28  dnl
    29  dnl  You should have received copies of the GNU General Public License and the
    30  dnl  GNU Lesser General Public License along with the GNU MP Library.  If not,
    31  dnl  see https://www.gnu.org/licenses/.
    32  
    33  
    34  dnl  Standard commenting is with @, the default m4 # is for constants and we
    35  dnl  don't want to disable macro expansions in or after them.
    36  
    37  changecom(@&*$)
    38  
    39  
    40  dnl  APCS register names.
    41  
    42  deflit(a1,r0)
    43  deflit(a2,r1)
    44  deflit(a3,r2)
    45  deflit(a4,r3)
    46  deflit(v1,r4)
    47  deflit(v2,r5)
    48  deflit(v3,r6)
    49  deflit(v4,r7)
    50  deflit(v5,r8)
    51  deflit(v6,r9)
    52  deflit(sb,r9)
    53  deflit(v7,r10)
    54  deflit(sl,r10)
    55  deflit(fp,r11)
    56  deflit(ip,r12)
    57  deflit(sp,r13)
    58  deflit(lr,r14)
    59  deflit(pc,r15)
    60  
    61  
    62  define(`lea_list', `')
    63  define(`lea_num',0)
    64  
    65  dnl  LEA(reg,gmp_symbol)
    66  dnl
    67  dnl  Load the address of gmp_symbol into a register.  The gmp_symbol must be
    68  dnl  either local or protected/hidden, since we assume it has a fixed distance
    69  dnl  from the point of use.
    70  
    71  define(`LEA',`dnl
    72  ldr	$1, L(ptr`'lea_num)
    73  ifdef(`PIC',dnl
    74  `dnl
    75  L(bas`'lea_num):dnl
    76  	add	$1, $1, pc`'dnl
    77  	m4append(`lea_list',`
    78  L(ptr'lea_num`):	.word	GSYM_PREFIX`'$2-L(bas'lea_num`)-8')
    79  	define(`lea_num', eval(lea_num+1))dnl
    80  ',`dnl
    81  	m4append(`lea_list',`
    82  L(ptr'lea_num`):	.word	GSYM_PREFIX`'$2')
    83  	define(`lea_num', eval(lea_num+1))dnl
    84  ')dnl
    85  ')
    86  
    87  define(`ret',`ifdef(`NOTHUMB',`mov	pc, ',`bx')')
    88  
    89  
    90  define(`EPILOGUE_cpu',
    91  `lea_list
    92  	SIZE(`$1',.-`$1')')
    93  
    94  divert