101 lines
2.5 KiB
Plaintext
101 lines
2.5 KiB
Plaintext
divert(-1)
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dnl m4 macros for ARM assembler.
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dnl Copyright 2001, 2012-2016, 2018-2019 Free Software Foundation, Inc.
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dnl This file is part of the GNU MP Library.
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dnl
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dnl The GNU MP Library is free software; you can redistribute it and/or modify
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dnl it under the terms of either:
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dnl
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dnl * the GNU Lesser General Public License as published by the Free
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dnl Software Foundation; either version 3 of the License, or (at your
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dnl option) any later version.
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dnl
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dnl or
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dnl
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dnl * the GNU General Public License as published by the Free Software
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dnl Foundation; either version 2 of the License, or (at your option) any
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dnl later version.
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dnl
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dnl or both in parallel, as here.
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dnl
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dnl The GNU MP Library is distributed in the hope that it will be useful, but
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dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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dnl for more details.
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dnl
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dnl You should have received copies of the GNU General Public License and the
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dnl GNU Lesser General Public License along with the GNU MP Library. If not,
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dnl see https://www.gnu.org/licenses/.
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dnl Standard commenting is with @, the default m4 # is for constants and we
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dnl don't want to disable macro expansions in or after them.
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changecom(@&*$)
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define(`ASM_START',
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m4_assert_numargs_range(0,1)
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`ifelse($1,`neon',`.fpu neon',
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$1,,`',
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1,1,`m4_error(`$0 got invalid argument $1')')')
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dnl APCS register names.
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deflit(a1,r0)
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deflit(a2,r1)
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deflit(a3,r2)
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deflit(a4,r3)
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dnl deflit(v1,r4)
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dnl deflit(v2,r5)
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dnl deflit(v3,r6)
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dnl deflit(v4,r7)
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dnl deflit(v5,r8)
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dnl deflit(v6,r9)
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deflit(sb,r9)
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dnl deflit(v7,r10)
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deflit(sl,r10)
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deflit(fp,r11)
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deflit(ip,r12)
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dnl deflit(sp,r13)
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deflit(lr,r14)
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deflit(pc,r15)
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define(`lea_list', `')
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define(`lea_num',0)
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dnl LEA(reg,gmp_symbol)
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dnl
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dnl Load the address of gmp_symbol into a register. The gmp_symbol must be
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dnl either local or protected/hidden, since we assume it has a fixed distance
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dnl from the point of use.
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define(`LEA',`dnl
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ldr $1, L(ptr`'lea_num)
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ifdef(`PIC',dnl
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`dnl
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L(bas`'lea_num):dnl
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add $1, $1, pc`'dnl
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m4append(`lea_list',`
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L(ptr'lea_num`): .word GSYM_PREFIX`'$2-L(bas'lea_num`)-8')
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define(`lea_num', eval(lea_num+1))dnl
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',`dnl
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m4append(`lea_list',`
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L(ptr'lea_num`): .word GSYM_PREFIX`'$2')
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define(`lea_num', eval(lea_num+1))dnl
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')dnl
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')
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define(`return',`ifdef(`NOTHUMB',`mov pc, ',`bx')')
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define(`EPILOGUE_cpu',
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`lea_list
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SIZE(`$1',.-`$1')'
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`define(`lea_list', `')')
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divert
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