github.com/aergoio/aergo@v1.3.1/libtool/src/gmp-6.1.2/mpn/x86_64/darwin.m4 (about)

     1  divert(-1)
     2  dnl  Copyright 2008, 2011, 2012 Free Software Foundation, Inc.
     3  dnl
     4  dnl  This file is part of the GNU MP Library.
     5  dnl
     6  dnl  The GNU MP Library is free software; you can redistribute it and/or modify
     7  dnl  it under the terms of either:
     8  dnl
     9  dnl    * the GNU Lesser General Public License as published by the Free
    10  dnl      Software Foundation; either version 3 of the License, or (at your
    11  dnl      option) any later version.
    12  dnl
    13  dnl  or
    14  dnl
    15  dnl    * the GNU General Public License as published by the Free Software
    16  dnl      Foundation; either version 2 of the License, or (at your option) any
    17  dnl      later version.
    18  dnl
    19  dnl  or both in parallel, as here.
    20  dnl
    21  dnl  The GNU MP Library is distributed in the hope that it will be useful, but
    22  dnl  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
    23  dnl  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    24  dnl  for more details.
    25  dnl
    26  dnl  You should have received copies of the GNU General Public License and the
    27  dnl  GNU Lesser General Public License along with the GNU MP Library.  If not,
    28  dnl  see https://www.gnu.org/licenses/.
    29  
    30  define(`DARWIN')
    31  
    32  define(`LEA',`dnl
    33  ifdef(`PIC',
    34  	`lea	$1(%rip), $2'
    35  ,
    36  	`movabs	`$'$1, $2')
    37  ')
    38  
    39  dnl  Usage: CALL(funcname)
    40  dnl
    41  dnl  Simply override the definition in x86_64-defs.m4.
    42  
    43  define(`CALL',`call	GSYM_PREFIX`'$1')
    44  
    45  
    46  dnl  Usage: JUMPTABSECT
    47  dnl
    48  dnl  CAUTION: Do not put anything sensible here, like RODATA.  That works with
    49  dnl  some Darwin tool chains, but silently breaks with other.  (Note that
    50  dnl  putting jump tables in the text segment is a really poor idea for PC many
    51  dnl  processors, since they cannot cache the same thing in both L1D and L2I.)
    52  
    53  define(`JUMPTABSECT', `.text')
    54  
    55  
    56  dnl  Usage: JMPENT(targlabel,tablabel)
    57  
    58  define(`JMPENT',`dnl
    59  ifdef(`PIC',
    60  	`.set	$1_tmp, $1-$2
    61  	.long	$1_tmp'
    62  ,
    63  	`.quad	$1'
    64  )')
    65  
    66  dnl  Target ABI macros.  For Darwin we override IFELF (and leave default for
    67  dnl  IFDOS and IFSTD).
    68  
    69  define(`IFELF',   `')
    70  
    71  
    72  dnl  Usage: PROTECT(symbol)
    73  dnl
    74  dnl  Used for private GMP symbols that should never be overridden by users.
    75  dnl  This can save reloc entries and improve shlib sharing as well as
    76  dnl  application startup times
    77  
    78  define(`PROTECT',  `.private_extern $1')
    79  
    80  
    81  divert`'dnl