xref: /netbsd-src/external/lgpl3/gmp/dist/mpn/powerpc32/eabi.m4 (revision ce54336801cf28877c3414aa2fcb251dddd543a2)
1divert(-1)
2dnl  m4 macros for powerpc32 eABI assembly.
3
4dnl  Copyright 2003, 2005, 2006 Free Software Foundation, Inc.
5
6dnl  This file is part of the GNU MP Library.
7dnl
8dnl  The GNU MP Library is free software; you can redistribute it and/or modify
9dnl  it under the terms of either:
10dnl
11dnl    * the GNU Lesser General Public License as published by the Free
12dnl      Software Foundation; either version 3 of the License, or (at your
13dnl      option) any later version.
14dnl
15dnl  or
16dnl
17dnl    * the GNU General Public License as published by the Free Software
18dnl      Foundation; either version 2 of the License, or (at your option) any
19dnl      later version.
20dnl
21dnl  or both in parallel, as here.
22dnl
23dnl  The GNU MP Library is distributed in the hope that it will be useful, but
24dnl  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
25dnl  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
26dnl  for more details.
27dnl
28dnl  You should have received copies of the GNU General Public License and the
29dnl  GNU Lesser General Public License along with the GNU MP Library.  If not,
30dnl  see https://www.gnu.org/licenses/.
31
32define(`ASM_START',`')
33
34dnl  Called: PROLOGUE_cpu(GSYM_PREFIX`'foo)
35dnl          EPILOGUE_cpu(GSYM_PREFIX`'foo)
36dnl
37
38define(`PROLOGUE_cpu',
39m4_assert_numargs(1)
40	`
41	.section	".text"
42	.align	3
43	.globl	$1
44	.type	$1, @function
45$1:')
46
47define(`EPILOGUE_cpu',
48m4_assert_numargs(1)
49`	.size	$1, .-$1')
50
51dnl  This ought to support PIC, but it is unclear how that is done for eABI
52define(`LEA',
53m4_assert_numargs(2)
54`
55	lis	$1, $2@ha
56	la	$1, $2@l($1)
57')
58
59define(`EXTERN',
60m4_assert_numargs(1)
61`dnl')
62
63define(`DEF_OBJECT',
64m4_assert_numargs_range(1,2)
65`
66	.section	.rodata
67	ALIGN(ifelse($#,1,2,$2))
68	.type	$1, @object
69$1:
70')
71
72define(`END_OBJECT',
73m4_assert_numargs(1)
74`	.size	$1, .-$1')
75
76define(`ASM_END', `dnl')
77
78ifdef(`PIC',`
79define(`PIC_SLOW')')
80
81dnl  64-bit "long long" parameters are put in an even-odd pair, skipping an
82dnl  even register if that was in turn.  I wish somebody could explain why that
83dnl  is a good idea.
84define(`BROKEN_LONGLONG_PARAM')
85
86divert
87