| Austin Schuh | dace2a6 | 2020-08-18 10:56:48 -0700 | [diff] [blame] | 1 | divert(-1) |
| 2 | dnl m4 macros for powerpc32 eABI 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) |
| 35 | dnl EPILOGUE_cpu(GSYM_PREFIX`'foo) |
| 36 | dnl |
| 37 | |
| 38 | define(`PROLOGUE_cpu', |
| 39 | m4_assert_numargs(1) |
| 40 | ` |
| 41 | .section ".text" |
| 42 | .align 3 |
| 43 | .globl $1 |
| 44 | .type $1, @function |
| 45 | $1:') |
| 46 | |
| 47 | define(`EPILOGUE_cpu', |
| 48 | m4_assert_numargs(1) |
| 49 | ` .size $1, .-$1') |
| 50 | |
| 51 | dnl This ought to support PIC, but it is unclear how that is done for eABI |
| 52 | define(`LEA', |
| 53 | m4_assert_numargs(2) |
| 54 | ` |
| 55 | lis $1, $2@ha |
| 56 | la $1, $2@l($1) |
| 57 | ') |
| 58 | |
| 59 | define(`EXTERN', |
| 60 | m4_assert_numargs(1) |
| 61 | `dnl') |
| 62 | |
| 63 | define(`DEF_OBJECT', |
| 64 | m4_assert_numargs_range(1,2) |
| 65 | ` |
| 66 | .section .rodata |
| 67 | ALIGN(ifelse($#,1,2,$2)) |
| 68 | .type $1, @object |
| 69 | $1: |
| 70 | ') |
| 71 | |
| 72 | define(`END_OBJECT', |
| 73 | m4_assert_numargs(1) |
| 74 | ` .size $1, .-$1') |
| 75 | |
| 76 | define(`ASM_END', `dnl') |
| 77 | |
| 78 | ifdef(`PIC',` |
| 79 | define(`PIC_SLOW')') |
| 80 | |
| 81 | dnl 64-bit "long long" parameters are put in an even-odd pair, skipping an |
| 82 | dnl even register if that was in turn. I wish somebody could explain why that |
| 83 | dnl is a good idea. |
| 84 | define(`BROKEN_LONGLONG_PARAM') |
| 85 | |
| 86 | divert |