diff options
Diffstat (limited to 'crypto/perlasm/ppc-xlate.pl')
| -rwxr-xr-x | crypto/perlasm/ppc-xlate.pl | 101 |
1 files changed, 94 insertions, 7 deletions
diff --git a/crypto/perlasm/ppc-xlate.pl b/crypto/perlasm/ppc-xlate.pl index a3edd982b6..0f46cf06bc 100755 --- a/crypto/perlasm/ppc-xlate.pl +++ b/crypto/perlasm/ppc-xlate.pl @@ -27,7 +27,8 @@ my $globl = sub { /osx/ && do { $name = "_$name"; last; }; - /linux.*32/ && do { $ret .= ".globl $name\n"; + /linux.*(32|64le)/ + && do { $ret .= ".globl $name\n"; $ret .= ".type $name,\@function"; last; }; @@ -37,7 +38,6 @@ my $globl = sub { $ret .= ".align 3\n"; $ret .= "$name:\n"; $ret .= ".quad .$name,.TOC.\@tocbase,0\n"; - $ret .= ".size $name,24\n"; $ret .= ".previous\n"; $name = ".$name"; @@ -50,7 +50,9 @@ my $globl = sub { $ret; }; my $text = sub { - ($flavour =~ /aix/) ? ".csect" : ".text"; + my $ret = ($flavour =~ /aix/) ? ".csect\t.text[PR],7" : ".text"; + $ret = ".abiversion 2\n".$ret if ($flavour =~ /linux.*64le/); + $ret; }; my $machine = sub { my $junk = shift; @@ -62,9 +64,12 @@ my $machine = sub { ".machine $arch"; }; my $size = sub { - if ($flavour =~ /linux.*32/) + if ($flavour =~ /linux/) { shift; - ".size " . join(",",@_); + my $name = shift; $name =~ s|^[\.\_]||; + my $ret = ".size $name,.-".($flavour=~/64$/?".":"").$name; + $ret .= "\n.size .$name,.-.$name" if ($flavour=~/64$/); + $ret; } else { ""; } @@ -77,6 +82,25 @@ my $asciz = sub { else { ""; } }; +my $quad = sub { + shift; + my @ret; + my ($hi,$lo); + for (@_) { + if (/^0x([0-9a-f]*?)([0-9a-f]{1,8})$/io) + { $hi=$1?"0x$1":"0"; $lo="0x$2"; } + elsif (/^([0-9]+)$/o) + { $hi=$1>>32; $lo=$1&0xffffffff; } # error-prone with 32-bit perl + else + { $hi=undef; $lo=$_; } + + if (defined($hi)) + { push(@ret,$flavour=~/le$/o?".long\t$lo,$hi":".long\t$hi,$lo"); } + else + { push(@ret,".quad $lo"); } + } + join("\n",@ret); +}; ################################################################ # simplified mnemonics not handled by at least one assembler @@ -122,6 +146,66 @@ my $extrdi = sub { $b = ($b+$n)&63; $n = 64-$n; " rldicl $ra,$rs,$b,$n"; }; +my $vmr = sub { + my ($f,$vx,$vy) = @_; + " vor $vx,$vy,$vy"; +}; + +# Some ABIs specify vrsave, special-purpose register #256, as reserved +# for system use. +my $no_vrsave = ($flavour =~ /aix|linux64le/); +my $mtspr = sub { + my ($f,$idx,$ra) = @_; + if ($idx == 256 && $no_vrsave) { + " or $ra,$ra,$ra"; + } else { + " mtspr $idx,$ra"; + } +}; +my $mfspr = sub { + my ($f,$rd,$idx) = @_; + if ($idx == 256 && $no_vrsave) { + " li $rd,-1"; + } else { + " mfspr $rd,$idx"; + } +}; + +# PowerISA 2.06 stuff +sub vsxmem_op { + my ($f, $vrt, $ra, $rb, $op) = @_; + " .long ".sprintf "0x%X",(31<<26)|($vrt<<21)|($ra<<16)|($rb<<11)|($op*2+1); +} +# made-up unaligned memory reference AltiVec/VMX instructions +my $lvx_u = sub { vsxmem_op(@_, 844); }; # lxvd2x +my $stvx_u = sub { vsxmem_op(@_, 972); }; # stxvd2x +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 $stvx_4w = sub { vsxmem_op(@_, 908); }; # stxvw4x + +# PowerISA 2.07 stuff +sub vcrypto_op { + my ($f, $vrt, $vra, $vrb, $op) = @_; + " .long ".sprintf "0x%X",(4<<26)|($vrt<<21)|($vra<<16)|($vrb<<11)|$op; +} +my $vcipher = sub { vcrypto_op(@_, 1288); }; +my $vcipherlast = sub { vcrypto_op(@_, 1289); }; +my $vncipher = sub { vcrypto_op(@_, 1352); }; +my $vncipherlast= sub { vcrypto_op(@_, 1353); }; +my $vsbox = sub { vcrypto_op(@_, 0, 1480); }; +my $vshasigmad = sub { my ($st,$six)=splice(@_,-2); vcrypto_op(@_, $st<<4|$six, 1730); }; +my $vshasigmaw = sub { my ($st,$six)=splice(@_,-2); vcrypto_op(@_, $st<<4|$six, 1666); }; +my $vpmsumb = sub { vcrypto_op(@_, 1032); }; +my $vpmsumd = sub { vcrypto_op(@_, 1224); }; +my $vpmsubh = sub { vcrypto_op(@_, 1096); }; +my $vpmsumw = sub { vcrypto_op(@_, 1160); }; +my $vaddudm = sub { vcrypto_op(@_, 192); }; + +my $mtsle = sub { + my ($f, $arg) = @_; + " .long ".sprintf "0x%X",(31<<26)|($arg<<21)|(147*2); +}; while($line=<>) { @@ -138,7 +222,10 @@ while($line=<>) { { $line =~ s|(^[\.\w]+)\:\s*||; my $label = $1; - printf "%s:",($GLOBALS{$label} or $label) if ($label); + if ($label) { + printf "%s:",($GLOBALS{$label} or $label); + printf "\n.localentry\t$GLOBALS{$label},0" if ($GLOBALS{$label} && $flavour =~ /linux.*64le/); + } } { @@ -147,7 +234,7 @@ while($line=<>) { my $mnemonic = $2; my $f = $3; my $opcode = eval("\$$mnemonic"); - $line =~ s|\bc?[rf]([0-9]+)\b|$1|g if ($c ne "." and $flavour !~ /osx/); + $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)); } elsif ($mnemonic) { $line = $c.$mnemonic.$f."\t".$line; } } |