github.com/aergoio/aergo@v1.3.1/libtool/src/gmp-6.1.2/mpn/powerpc32/elf.m4 (about)

     1  divert(-1)
     2  dnl  m4 macros for powerpc32 GNU/Linux assembly.
     3  
     4  dnl  Copyright 2003, 2005, 2006 Free Software Foundation, Inc.
     5  
     6  dnl  This file is part of the GNU MP Library.
     7  dnl
     8  dnl  The GNU MP Library is free software; you can redistribute it and/or modify
     9  dnl  it under the terms of either:
    10  dnl
    11  dnl    * the GNU Lesser General Public License as published by the Free
    12  dnl      Software Foundation; either version 3 of the License, or (at your
    13  dnl      option) any later version.
    14  dnl
    15  dnl  or
    16  dnl
    17  dnl    * the GNU General Public License as published by the Free Software
    18  dnl      Foundation; either version 2 of the License, or (at your option) any
    19  dnl      later version.
    20  dnl
    21  dnl  or both in parallel, as here.
    22  dnl
    23  dnl  The GNU MP Library is distributed in the hope that it will be useful, but
    24  dnl  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
    25  dnl  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    26  dnl  for more details.
    27  dnl
    28  dnl  You should have received copies of the GNU General Public License and the
    29  dnl  GNU Lesser General Public License along with the GNU MP Library.  If not,
    30  dnl  see https://www.gnu.org/licenses/.
    31  
    32  define(`ASM_START',`')
    33  
    34  dnl  Called: PROLOGUE_cpu(GSYM_PREFIX`'foo[,toc])
    35  dnl          EPILOGUE_cpu(GSYM_PREFIX`'foo)
    36  dnl
    37  
    38  define(`PROLOGUE_cpu',
    39  m4_assert_numargs_range(1,2)
    40  `ifelse(`$2',toc,,
    41  `ifelse(`$2',,,`m4_error(`Unrecognised PROLOGUE parameter')')')dnl
    42  	.section	".text"
    43  	.align	3
    44  	.globl	$1
    45  	.type	$1, @function
    46  $1:')
    47  
    48  define(`EPILOGUE_cpu',
    49  m4_assert_numargs(1)
    50  `	.size	$1, .-$1')
    51  
    52  define(`LEA',
    53  m4_assert_numargs(2)
    54  `ifdef(`PIC',`
    55  	mflr	r0
    56  	bcl	20, 31, 1f
    57  1:	mflr	$1
    58  	addis	$1, $1, (_GLOBAL_OFFSET_TABLE_-1b)@ha
    59  	addi	$1, $1, (_GLOBAL_OFFSET_TABLE_-1b)@l
    60  	mtlr	r0
    61  	lwz	$1, $2@got($1)
    62  ',`
    63  	lis	$1, $2@ha
    64  	la	$1, $2@l($1)
    65  ')')
    66  
    67  
    68  define(`LEAL',
    69  m4_assert_numargs(2)
    70  `LEA($1,$2)')
    71  
    72  
    73  define(`EXTERN',
    74  m4_assert_numargs(1)
    75  `dnl')
    76  
    77  define(`DEF_OBJECT',
    78  m4_assert_numargs_range(1,2)
    79  `
    80  	.section	.rodata
    81  	ALIGN(ifelse($#,1,2,$2))
    82  	.type	$1, @object
    83  $1:
    84  ')
    85  
    86  define(`END_OBJECT',
    87  m4_assert_numargs(1)
    88  `	.size	$1, .-$1')
    89  
    90  define(`ASM_END', `dnl')
    91  
    92  ifdef(`PIC',`
    93  define(`PIC_SLOW')')
    94  
    95  dnl  64-bit "long long" parameters are put in an even-odd pair, skipping an
    96  dnl  even register if that was in turn.  I wish somebody could explain why that
    97  dnl  is a good idea.
    98  define(`BROKEN_LONGLONG_PARAM')
    99  
   100  divert