-#!/usr/bin/env perl
-
-# PowerPC assembler distiller by <appro>.
+#! /usr/bin/env perl
+# Copyright 2006-2016 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 $flavour = $output;
my %GLOBALS;
-my $dotinlocallabels=0;
+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 ($$type =~ /function/) {
+ $name = ".$name";
+ }
last;
};
/osx/ && do { $name = "_$name";
last;
};
- /linux.*32/ && do { $ret .= ".globl $name\n";
- $ret .= ".type $name,\@function";
- $dotinlocallabels = 1;
+ /linux.*(32|64le)/
+ && do { $ret .= ".globl $name";
+ if (!$$type) {
+ $ret .= "\n.type $name,\@function";
+ $$type = "\@function";
+ }
last;
};
- /linux.*64/ && do { $ret .= ".globl .$name\n";
- $ret .= ".type .$name,\@function\n";
- $ret .= ".section \".opd\",\"aw\"\n";
- $ret .= ".globl $name\n";
- $ret .= ".align 3\n";
- $ret .= "$name:\n";
- $ret .= ".quad .$name,.TOC.\@tocbase,0\n";
- $ret .= ".size $name,24\n";
- $ret .= ".previous\n";
-
- $name = ".$name";
- $dotinlocallabels = 1;
+ /linux.*64/ && do { $ret .= ".globl $name";
+ if (!$$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;
};
}
$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;
my $arch = shift;
- if ($arch eq "any" and $flavour =~ /osx/)
- { $arch = ($flavour =~ /64/) ? "ppc970-64" : "ppc970"; }
+ if ($flavour =~ /osx/)
+ { $arch =~ s/\"//g;
+ $arch = ($flavour=~/64/) ? "ppc970-64" : "ppc970" if ($arch eq "any");
+ }
".machine $arch";
};
+my $size = sub {
+ if ($flavour =~ /linux/)
+ { shift;
+ 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
+ { ""; }
+};
+my $asciz = sub {
+ shift;
+ my $line = join(",",@_);
+ if ($line =~ /^"(.*)"$/)
+ { ".byte " . join(",",unpack("C*",$1),0) . "\n.align 2"; }
+ 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
my $cmplw = sub {
my $f = shift;
my $cr = 0; $cr = shift if ($#_>1);
- " cmpl$f ".join(',',$cr,0,@_);
-};
-my $cmpld = sub {
- my $f = shift;
- my $cr = 0; $cr = shift if ($#_>1);
- " cmpl$f ".join(',',$cr,1,@_);
+ # Some out-of-date 32-bit GNU assembler just can't handle cmplw...
+ ($flavour =~ /linux.*32/) ?
+ " .long ".sprintf "0x%x",31<<26|$cr<<23|$_[0]<<16|$_[1]<<11|64 :
+ " cmplw ".join(',',$cr,@_);
};
my $bdnz = sub {
my $f = shift;
- my $bo = $f=~/[\+\-]/ ? 17 : 16;
+ my $bo = $f=~/[\+\-]/ ? 16+9 : 16; # optional "to be taken" hint
" bc $bo,0,".shift;
+} if ($flavour!~/linux/);
+my $bltlr = sub {
+ my $f = shift;
+ my $bo = $f=~/\-/ ? 12+2 : 12; # optional "not to be taken" hint
+ ($flavour =~ /linux/) ? # GNU as doesn't allow most recent hints
+ " .long ".sprintf "0x%x",19<<26|$bo<<21|16<<1 :
+ " bclr $bo,0";
+};
+my $bnelr = sub {
+ my $f = shift;
+ my $bo = $f=~/\-/ ? 4+2 : 4; # optional "not to be taken" hint
+ ($flavour =~ /linux/) ? # GNU as doesn't allow most recent hints
+ " .long ".sprintf "0x%x",19<<26|$bo<<21|2<<16|16<<1 :
+ " bclr $bo,2";
+};
+my $beqlr = sub {
+ my $f = shift;
+ my $bo = $f=~/-/ ? 12+2 : 12; # optional "not to be taken" hint
+ ($flavour =~ /linux/) ? # GNU as doesn't allow most recent hints
+ " .long ".sprintf "0x%X",19<<26|$bo<<21|2<<16|16<<1 :
+ " bclr $bo,2";
+};
+# GNU assembler can't handle extrdi rA,rS,16,48, or when sum of last two
+# arguments is 64, with "operand out of range" error.
+my $extrdi = sub {
+ my ($f,$ra,$rs,$n,$b) = @_;
+ $b = ($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
+my $lvx_splt = sub { vsxmem_op(@_, 332); }; # lxvdsx
+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;
+}
+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); };
+# These are not really crypto, but one can use vcrypto_op
+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 $mtsle = sub {
+ my ($f, $arg) = @_;
+ " .long ".sprintf "0x%X",(31<<26)|($arg<<21)|(147*2);
+};
+
+# PowerISA 3.0 stuff
+my $maddhdu = sub {
+ my ($f, $rt, $ra, $rb, $rc) = @_;
+ " .long ".sprintf "0x%X",(4<<26)|($rt<<21)|($ra<<16)|($rb<<11)|($rc<<6)|49;
+};
+my $maddld = sub {
+ my ($f, $rt, $ra, $rb, $rc) = @_;
+ " .long ".sprintf "0x%X",(4<<26)|($rt<<21)|($ra<<16)|($rb<<11)|($rc<<6)|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;
+};
+
+# 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 $vmsumudm = sub {
+ my ($f, $vrt, $vra, $vrb, $vrc) = @_;
+ " .long ".sprintf "0x%X",(4<<26)|($vrt<<21)|($vra<<16)|($vrb<<11)|($vrc<<6)|35;
};
while($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);
}
{
$line =~ s|(^[\.\w]+)\:\s*||;
my $label = $1;
- printf "%s:",($GLOBALS{$label} or $label) if ($label);
+ if ($label) {
+ my $xlated = ($GLOBALS{$label} or $label);
+ print "$xlated:";
+ if ($flavour =~ /linux.*64le/) {
+ if ($TYPES{$label} =~ /function/) {
+ printf "\n.localentry %s,0\n",$xlated;
+ }
+ }
+ }
}
{
my $mnemonic = $2;
my $f = $3;
my $opcode = eval("\$$mnemonic");
- $line =~ s|\br([0-9]+)\b|$1|g if ($c ne "." and $flavour !~ /osx/);
- if (ref($opcode) eq 'CODE') { $line = &$opcode($f,split(',',$line)); }
+ $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($f,split(/,\s*/,$line)); }
elsif ($mnemonic) { $line = $c.$mnemonic.$f."\t".$line; }
}
projects / openssl.git / blobdiff