xref: /netbsd-src/external/lgpl3/gmp/dist/mpn/x86_64/darwin.m4 (revision 72c7faa4dbb41dbb0238d6b4a109da0d4b236dd4)
1divert(-1)
2dnl  Copyright 2008, 2011, 2012 Free Software Foundation, Inc.
3dnl
4dnl  This file is part of the GNU MP Library.
5dnl
6dnl  The GNU MP Library is free software; you can redistribute it and/or modify
7dnl  it under the terms of either:
8dnl
9dnl    * the GNU Lesser General Public License as published by the Free
10dnl      Software Foundation; either version 3 of the License, or (at your
11dnl      option) any later version.
12dnl
13dnl  or
14dnl
15dnl    * the GNU General Public License as published by the Free Software
16dnl      Foundation; either version 2 of the License, or (at your option) any
17dnl      later version.
18dnl
19dnl  or both in parallel, as here.
20dnl
21dnl  The GNU MP Library is distributed in the hope that it will be useful, but
22dnl  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
23dnl  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
24dnl  for more details.
25dnl
26dnl  You should have received copies of the GNU General Public License and the
27dnl  GNU Lesser General Public License along with the GNU MP Library.  If not,
28dnl  see https://www.gnu.org/licenses/.
29
30define(`DARWIN')
31
32define(`LEA',`dnl
33ifdef(`PIC',
34	`lea	$1(%rip), $2'
35,
36	`movabs	`$'$1, $2')
37')
38
39dnl  Usage: CALL(funcname)
40dnl
41dnl  Simply override the definition in x86_64-defs.m4.
42
43define(`CALL',`call	GSYM_PREFIX`'$1')
44define(`TCALL',`jmp	GSYM_PREFIX`'$1')
45
46
47dnl  Usage: JUMPTABSECT
48dnl
49dnl  CAUTION: Do not put anything sensible here, like RODATA.  That works with
50dnl  some Darwin tool chains, but silently breaks with other.  (Note that
51dnl  putting jump tables in the text segment is a really poor idea for many PC
52dnl  processors, since they cannot cache the same thing in both L1D and L2I.)
53
54define(`JUMPTABSECT', `.text')
55
56
57dnl  Usage: JMPENT(targlabel,tablabel)
58
59define(`JMPENT',`dnl
60ifdef(`PIC',
61	`.set	$1_tmp, $1-$2
62	.long	$1_tmp'
63,
64	`.quad	$1'
65)')
66
67dnl  Target ABI macros.  For Darwin we override IFELF (and leave default for
68dnl  IFDOS and IFSTD).
69
70define(`IFELF',   `')
71
72
73dnl  Usage: PROTECT(symbol)
74dnl
75dnl  Used for private GMP symbols that should never be overridden by users.
76dnl  This can save reloc entries and improve shlib sharing as well as
77dnl  application startup times
78
79define(`PROTECT',  `.private_extern $1')
80
81
82divert`'dnl
83