1divert(-1) 2 3dnl m4 macros for ARM assembler. 4 5dnl Copyright 2001, 2012-2016, 2018-2019 Free Software Foundation, Inc. 6 7dnl This file is part of the GNU MP Library. 8dnl 9dnl The GNU MP Library is free software; you can redistribute it and/or modify 10dnl it under the terms of either: 11dnl 12dnl * the GNU Lesser General Public License as published by the Free 13dnl Software Foundation; either version 3 of the License, or (at your 14dnl option) any later version. 15dnl 16dnl or 17dnl 18dnl * the GNU General Public License as published by the Free Software 19dnl Foundation; either version 2 of the License, or (at your option) any 20dnl later version. 21dnl 22dnl or both in parallel, as here. 23dnl 24dnl The GNU MP Library is distributed in the hope that it will be useful, but 25dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 26dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 27dnl for more details. 28dnl 29dnl You should have received copies of the GNU General Public License and the 30dnl GNU Lesser General Public License along with the GNU MP Library. If not, 31dnl see https://www.gnu.org/licenses/. 32 33 34dnl Standard commenting is with @, the default m4 # is for constants and we 35dnl don't want to disable macro expansions in or after them. 36 37changecom(@&*$) 38 39define(`ASM_START', 40m4_assert_numargs_range(0,1) 41`ifelse($1,`neon',`.fpu neon', 42 $1,,`', 43 1,1,`m4_error(`$0 got invalid argument $1')')') 44 45dnl APCS register names. 46 47deflit(a1,r0) 48deflit(a2,r1) 49deflit(a3,r2) 50deflit(a4,r3) 51dnl deflit(v1,r4) 52dnl deflit(v2,r5) 53dnl deflit(v3,r6) 54dnl deflit(v4,r7) 55dnl deflit(v5,r8) 56dnl deflit(v6,r9) 57deflit(sb,r9) 58dnl deflit(v7,r10) 59deflit(sl,r10) 60deflit(fp,r11) 61deflit(ip,r12) 62dnl deflit(sp,r13) 63deflit(lr,r14) 64deflit(pc,r15) 65 66 67define(`lea_list', `') 68define(`lea_num',0) 69 70dnl LEA(reg,gmp_symbol) 71dnl 72dnl Load the address of gmp_symbol into a register. The gmp_symbol must be 73dnl either local or protected/hidden, since we assume it has a fixed distance 74dnl from the point of use. 75 76define(`LEA',`dnl 77ldr $1, L(ptr`'lea_num) 78ifdef(`PIC',dnl 79`dnl 80L(bas`'lea_num):dnl 81 add $1, $1, pc`'dnl 82 m4append(`lea_list',` 83L(ptr'lea_num`): .word GSYM_PREFIX`'$2-L(bas'lea_num`)-8') 84 define(`lea_num', eval(lea_num+1))dnl 85',`dnl 86 m4append(`lea_list',` 87L(ptr'lea_num`): .word GSYM_PREFIX`'$2') 88 define(`lea_num', eval(lea_num+1))dnl 89')dnl 90') 91 92define(`return',`ifdef(`NOTHUMB',`mov pc, ',`bx')') 93 94 95define(`EPILOGUE_cpu', 96`lea_list 97 SIZE(`$1',.-`$1')' 98`define(`lea_list', `')') 99 100divert 101