diff options
Diffstat (limited to 'crypto/perlasm/ppc-xlate.pl')
| -rwxr-xr-x | crypto/perlasm/ppc-xlate.pl | 146 |
1 files changed, 122 insertions, 24 deletions
diff --git a/crypto/perlasm/ppc-xlate.pl b/crypto/perlasm/ppc-xlate.pl index 0f46cf06bcb8..d220c6245b56 100755 --- a/crypto/perlasm/ppc-xlate.pl +++ b/crypto/perlasm/ppc-xlate.pl @@ -1,46 +1,75 @@ -#!/usr/bin/env perl - -# PowerPC assembler distiller by <appro>. +#! /usr/bin/env perl +# Copyright 2006-2018 The OpenSSL Project Authors. All Rights Reserved. +# +# Licensed under the OpenSSL license (the "License"). You may not use +# this file except in compliance with the License. You can obtain a copy +# in the file LICENSE in the source distribution or at +# https://www.openssl.org/source/license.html my $flavour = shift; my $output = shift; open STDOUT,">$output" || die "can't open $output: $!"; my %GLOBALS; +my %TYPES; my $dotinlocallabels=($flavour=~/linux/)?1:0; ################################################################ # directives which need special treatment on different platforms ################################################################ +my $type = sub { + my ($dir,$name,$type) = @_; + + $TYPES{$name} = $type; + if ($flavour =~ /linux/) { + $name =~ s|^\.||; + ".type $name,$type"; + } else { + ""; + } +}; my $globl = sub { my $junk = shift; my $name = shift; my $global = \$GLOBALS{$name}; + my $type = \$TYPES{$name}; my $ret; - $name =~ s|^[\.\_]||; - + $name =~ s|^\.||; + SWITCH: for ($flavour) { - /aix/ && do { $name = ".$name"; + /aix/ && do { if (!$$type) { + $$type = "\@function"; + } + if ($$type =~ /function/) { + $name = ".$name"; + } last; }; /osx/ && do { $name = "_$name"; last; }; /linux.*(32|64le)/ - && do { $ret .= ".globl $name\n"; - $ret .= ".type $name,\@function"; + && do { $ret .= ".globl $name"; + if (!$$type) { + $ret .= "\n.type $name,\@function"; + $$type = "\@function"; + } last; }; - /linux.*64/ && do { $ret .= ".globl $name\n"; - $ret .= ".type $name,\@function\n"; - $ret .= ".section \".opd\",\"aw\"\n"; - $ret .= ".align 3\n"; - $ret .= "$name:\n"; - $ret .= ".quad .$name,.TOC.\@tocbase,0\n"; - $ret .= ".previous\n"; - - $name = ".$name"; + /linux.*64/ && do { $ret .= ".globl $name"; + if (!$$type) { + $ret .= "\n.type $name,\@function"; + $$type = "\@function"; + } + if ($$type =~ /function/) { + $ret .= "\n.section \".opd\",\"aw\""; + $ret .= "\n.align 3"; + $ret .= "\n$name:"; + $ret .= "\n.quad .$name,.TOC.\@tocbase,0"; + $ret .= "\n.previous"; + $name = ".$name"; + } last; }; } @@ -66,9 +95,13 @@ my $machine = sub { my $size = sub { if ($flavour =~ /linux/) { shift; - my $name = shift; $name =~ s|^[\.\_]||; - my $ret = ".size $name,.-".($flavour=~/64$/?".":"").$name; - $ret .= "\n.size .$name,.-.$name" if ($flavour=~/64$/); + my $name = shift; + my $real = $GLOBALS{$name} ? \$GLOBALS{$name} : \$name; + my $ret = ".size $$real,.-$$real"; + $name =~ s|^\.||; + if ($$real ne $name) { + $ret .= "\n.size $name,.-$$real"; + } $ret; } else @@ -183,12 +216,23 @@ my $lvdx_u = sub { vsxmem_op(@_, 588); }; # lxsdx my $stvdx_u = sub { vsxmem_op(@_, 716); }; # stxsdx my $lvx_4w = sub { vsxmem_op(@_, 780); }; # lxvw4x my $stvx_4w = sub { vsxmem_op(@_, 908); }; # stxvw4x +my $lvx_splt = sub { vsxmem_op(@_, 332); }; # lxvdsx +# VSX instruction[s] masqueraded as made-up AltiVec/VMX +my $vpermdi = sub { # xxpermdi + my ($f, $vrt, $vra, $vrb, $dm) = @_; + $dm = oct($dm) if ($dm =~ /^0/); + " .long ".sprintf "0x%X",(60<<26)|($vrt<<21)|($vra<<16)|($vrb<<11)|($dm<<8)|(10<<3)|7; +}; # PowerISA 2.07 stuff sub vcrypto_op { my ($f, $vrt, $vra, $vrb, $op) = @_; " .long ".sprintf "0x%X",(4<<26)|($vrt<<21)|($vra<<16)|($vrb<<11)|$op; } +sub vfour { + my ($f, $vrt, $vra, $vrb, $vrc, $op) = @_; + " .long ".sprintf "0x%X",(4<<26)|($vrt<<21)|($vra<<16)|($vrb<<11)|($vrc<<6)|$op; +}; my $vcipher = sub { vcrypto_op(@_, 1288); }; my $vcipherlast = sub { vcrypto_op(@_, 1289); }; my $vncipher = sub { vcrypto_op(@_, 1352); }; @@ -200,13 +244,62 @@ my $vpmsumb = sub { vcrypto_op(@_, 1032); }; my $vpmsumd = sub { vcrypto_op(@_, 1224); }; my $vpmsubh = sub { vcrypto_op(@_, 1096); }; my $vpmsumw = sub { vcrypto_op(@_, 1160); }; +# These are not really crypto, but vcrypto_op template works my $vaddudm = sub { vcrypto_op(@_, 192); }; +my $vadduqm = sub { vcrypto_op(@_, 256); }; +my $vmuleuw = sub { vcrypto_op(@_, 648); }; +my $vmulouw = sub { vcrypto_op(@_, 136); }; +my $vrld = sub { vcrypto_op(@_, 196); }; +my $vsld = sub { vcrypto_op(@_, 1476); }; +my $vsrd = sub { vcrypto_op(@_, 1732); }; +my $vsubudm = sub { vcrypto_op(@_, 1216); }; +my $vaddcuq = sub { vcrypto_op(@_, 320); }; +my $vaddeuqm = sub { vfour(@_,60); }; +my $vaddecuq = sub { vfour(@_,61); }; +my $vmrgew = sub { vfour(@_,0,1932); }; +my $vmrgow = sub { vfour(@_,0,1676); }; my $mtsle = sub { my ($f, $arg) = @_; " .long ".sprintf "0x%X",(31<<26)|($arg<<21)|(147*2); }; +# VSX instructions masqueraded as AltiVec/VMX +my $mtvrd = sub { + my ($f, $vrt, $ra) = @_; + " .long ".sprintf "0x%X",(31<<26)|($vrt<<21)|($ra<<16)|(179<<1)|1; +}; +my $mtvrwz = sub { + my ($f, $vrt, $ra) = @_; + " .long ".sprintf "0x%X",(31<<26)|($vrt<<21)|($ra<<16)|(243<<1)|1; +}; + +# PowerISA 3.0 stuff +my $maddhdu = sub { vfour(@_,49); }; +my $maddld = sub { vfour(@_,51); }; +my $darn = sub { + my ($f, $rt, $l) = @_; + " .long ".sprintf "0x%X",(31<<26)|($rt<<21)|($l<<16)|(755<<1); +}; +my $iseleq = sub { + my ($f, $rt, $ra, $rb) = @_; + " .long ".sprintf "0x%X",(31<<26)|($rt<<21)|($ra<<16)|($rb<<11)|(2<<6)|30; +}; +# VSX instruction[s] masqueraded as made-up AltiVec/VMX +my $vspltib = sub { # xxspltib + my ($f, $vrt, $imm8) = @_; + $imm8 = oct($imm8) if ($imm8 =~ /^0/); + $imm8 &= 0xff; + " .long ".sprintf "0x%X",(60<<26)|($vrt<<21)|($imm8<<11)|(360<<1)|1; +}; + +# PowerISA 3.0B stuff +my $addex = sub { + my ($f, $rt, $ra, $rb, $cy) = @_; # only cy==0 is specified in 3.0B + " .long ".sprintf "0x%X",(31<<26)|($rt<<21)|($ra<<16)|($rb<<11)|($cy<<9)|(170<<1); +}; +my $vmsumudm = sub { vfour(@_,35); }; + while($line=<>) { $line =~ s|[#!;].*$||; # get rid of asm-style comments... @@ -215,7 +308,7 @@ while($line=<>) { $line =~ s|\s+$||; # ... and at the end { - $line =~ s|\b\.L(\w+)|L$1|g; # common denominator for Locallabel + $line =~ s|\.L(\w+)|L$1|g; # common denominator for Locallabel $line =~ s|\bL(\w+)|\.L$1|g if ($dotinlocallabels); } @@ -223,8 +316,13 @@ while($line=<>) { $line =~ s|(^[\.\w]+)\:\s*||; my $label = $1; if ($label) { - printf "%s:",($GLOBALS{$label} or $label); - printf "\n.localentry\t$GLOBALS{$label},0" if ($GLOBALS{$label} && $flavour =~ /linux.*64le/); + my $xlated = ($GLOBALS{$label} or $label); + print "$xlated:"; + if ($flavour =~ /linux.*64le/) { + if ($TYPES{$label} =~ /function/) { + printf "\n.localentry %s,0\n",$xlated; + } + } } } @@ -235,7 +333,7 @@ while($line=<>) { my $f = $3; my $opcode = eval("\$$mnemonic"); $line =~ s/\b(c?[rf]|v|vs)([0-9]+)\b/$2/g if ($c ne "." and $flavour !~ /osx/); - if (ref($opcode) eq 'CODE') { $line = &$opcode($f,split(',',$line)); } + if (ref($opcode) eq 'CODE') { $line = &$opcode($f,split(/,\s*/,$line)); } elsif ($mnemonic) { $line = $c.$mnemonic.$f."\t".$line; } } |