1divert(-1) 2dnl Copyright 2011-2013 Free Software Foundation, Inc. 3 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(`HOST_DOS64') 31 32 33dnl On DOS64 we always generate position-independent-code 34dnl 35 36define(`PIC') 37 38 39define(`LEA',` 40 lea $1(%rip), $2 41') 42 43 44dnl Usage: CALL(funcname) 45dnl 46dnl Simply override the definition in x86_64-defs.m4. 47 48define(`CALL',`call GSYM_PREFIX`'$1') 49define(`TCALL',`jmp GSYM_PREFIX`'$1') 50 51 52dnl Usage: JUMPTABSECT 53 54define(`JUMPTABSECT', `RODATA') 55 56 57dnl Usage: JMPENT(targlabel,tablabel) 58 59define(`JMPENT', `.long $1-$2') 60 61 62dnl Usage: FUNC_ENTRY(nregparmas) 63dnl Usage: FUNC_EXIT() 64 65dnl FUNC_ENTRY and FUNC_EXIT provide an easy path for adoption of standard 66dnl ABI assembly to the DOS64 ABI. 67 68define(`FUNC_ENTRY', 69 `push %rdi 70 push %rsi 71 mov %rcx, %rdi 72ifelse(eval($1>=2),1,`dnl 73 mov %rdx, %rsi 74ifelse(eval($1>=3),1,`dnl 75 mov %r8, %rdx 76ifelse(eval($1>=4),1,`dnl 77 mov %r9, %rcx 78')')')') 79 80define(`FUNC_EXIT', 81 `pop %rsi 82 pop %rdi') 83 84 85dnl Target ABI macros. For DOS64 we override the defaults. 86 87define(`IFDOS', `$1') 88define(`IFSTD', `') 89define(`IFELF', `') 90 91 92dnl Usage: PROTECT(symbol) 93dnl 94dnl Used for private GMP symbols that should never be overridden by users. 95dnl This can save reloc entries and improve shlib sharing as well as 96dnl application startup times 97 98define(`PROTECT', `') 99 100 101divert`'dnl 102