diff options
Diffstat (limited to 'openssl/crypto/perlasm/x86_64-xlate.pl')
| -rw-r--r-- | openssl/crypto/perlasm/x86_64-xlate.pl | 221 |
1 files changed, 192 insertions, 29 deletions
diff --git a/openssl/crypto/perlasm/x86_64-xlate.pl b/openssl/crypto/perlasm/x86_64-xlate.pl index e47116b74..56d9b64b6 100644 --- a/openssl/crypto/perlasm/x86_64-xlate.pl +++ b/openssl/crypto/perlasm/x86_64-xlate.pl @@ -62,12 +62,8 @@ my $flavour = shift; my $output = shift; if ($flavour =~ /\./) { $output = $flavour; undef $flavour; } -{ my ($stddev,$stdino,@junk)=stat(STDOUT); - my ($outdev,$outino,@junk)=stat($output); - - open STDOUT,">$output" || die "can't open $output: $!" - if ($stddev!=$outdev || $stdino!=$outino); -} +open STDOUT,">$output" || die "can't open $output: $!" + if (defined($output)); my $gas=1; $gas=0 if ($output =~ /\.asm$/); my $elf=1; $elf=0 if (!$gas); @@ -116,12 +112,16 @@ my %globals; $line = substr($line,@+[0]); $line =~ s/^\s+//; undef $self->{sz}; - if ($self->{op} =~ /^(movz)b.*/) { # movz is pain... + if ($self->{op} =~ /^(movz)x?([bw]).*/) { # movz is pain... $self->{op} = $1; - $self->{sz} = "b"; + $self->{sz} = $2; } elsif ($self->{op} =~ /call|jmp/) { $self->{sz} = ""; - } elsif ($self->{op} =~ /^p/ && $' !~ /^(ush|op)/) { # SSEn + } elsif ($self->{op} =~ /^p/ && $' !~ /^(ush|op|insrw)/) { # SSEn + $self->{sz} = ""; + } elsif ($self->{op} =~ /^v/) { # VEX + $self->{sz} = ""; + } elsif ($self->{op} =~ /movq/ && $line =~ /%xmm/) { $self->{sz} = ""; } elsif ($self->{op} =~ /([a-z]{3,})([qlwb])$/) { $self->{op} = $1; @@ -246,35 +246,39 @@ my %globals; $self->{index} =~ s/^[er](.?[0-9xpi])[d]?$/r\1/; $self->{base} =~ s/^[er](.?[0-9xpi])[d]?$/r\1/; + # Solaris /usr/ccs/bin/as can't handle multiplications + # in $self->{label}, new gas requires sign extension... + use integer; + $self->{label} =~ s/(?<![\w\$\.])(0x?[0-9a-f]+)/oct($1)/egi; + $self->{label} =~ s/([0-9]+\s*[\*\/\%]\s*[0-9]+)/eval($1)/eg; + $self->{label} =~ s/([0-9]+)/$1<<32>>32/eg; + if ($gas) { - # Solaris /usr/ccs/bin/as can't handle multiplications - # in $self->{label}, new gas requires sign extension... - use integer; - $self->{label} =~ s/(?<![\w\$\.])(0x?[0-9a-f]+)/oct($1)/egi; - $self->{label} =~ s/([0-9]+\s*[\*\/\%]\s*[0-9]+)/eval($1)/eg; - $self->{label} =~ s/([0-9]+)/$1<<32>>32/eg; $self->{label} =~ s/^___imp_/__imp__/ if ($flavour eq "mingw64"); if (defined($self->{index})) { - sprintf "%s%s(%%%s,%%%s,%d)",$self->{asterisk}, - $self->{label},$self->{base}, + sprintf "%s%s(%s,%%%s,%d)",$self->{asterisk}, + $self->{label}, + $self->{base}?"%$self->{base}":"", $self->{index},$self->{scale}; } else { sprintf "%s%s(%%%s)", $self->{asterisk},$self->{label},$self->{base}; } } else { - %szmap = ( b=>"BYTE$PTR", w=>"WORD$PTR", l=>"DWORD$PTR", q=>"QWORD$PTR" ); + %szmap = ( b=>"BYTE$PTR", w=>"WORD$PTR", l=>"DWORD$PTR", + q=>"QWORD$PTR",o=>"OWORD$PTR",x=>"XMMWORD$PTR" ); $self->{label} =~ s/\./\$/g; $self->{label} =~ s/(?<![\w\$\.])0x([0-9a-f]+)/0$1h/ig; $self->{label} = "($self->{label})" if ($self->{label} =~ /[\*\+\-\/]/); - $sz="q" if ($self->{asterisk}); + $sz="q" if ($self->{asterisk} || opcode->mnemonic() eq "movq"); + $sz="l" if (opcode->mnemonic() eq "movd"); if (defined($self->{index})) { - sprintf "%s[%s%s*%d+%s]",$szmap{$sz}, + sprintf "%s[%s%s*%d%s]",$szmap{$sz}, $self->{label}?"$self->{label}+":"", $self->{index},$self->{scale}, - $self->{base}; + $self->{base}?"+$self->{base}":""; } elsif ($self->{base} eq "rip") { sprintf "%s[%s]",$szmap{$sz},$self->{label}; } else { @@ -506,6 +510,12 @@ my %globals; } } elsif ($dir =~ /\.(text|data)/) { $current_segment=".$1"; + } elsif ($dir =~ /\.hidden/) { + if ($flavour eq "macosx") { $self->{value} = ".private_extern\t$prefix$line"; } + elsif ($flavour eq "mingw64") { $self->{value} = ""; } + } elsif ($dir =~ /\.comm/) { + $self->{value} = "$dir\t$prefix$line"; + $self->{value} =~ s|,([0-9]+),([0-9]+)$|",$1,".log($2)/log(2)|e if ($flavour eq "macosx"); } $line = ""; return $self; @@ -555,7 +565,8 @@ my %globals; $v.=" READONLY"; $v.=" ALIGN(".($1 eq "p" ? 4 : 8).")" if ($masm>=$masmref); } elsif ($line=~/\.CRT\$/i) { - $v.=" READONLY DWORD"; + $v.=" READONLY "; + $v.=$masm>=$masmref ? "ALIGN(8)" : "DWORD"; } } $current_segment = $line; @@ -577,7 +588,7 @@ my %globals; $self->{value}="${decor}SEH_end_$current_function->{name}:"; $self->{value}.=":\n" if($masm); } - $self->{value}.="$current_function->{name}\tENDP" if($masm); + $self->{value}.="$current_function->{name}\tENDP" if($masm && $current_function->{name}); undef $current_function; } last; @@ -613,6 +624,19 @@ my %globals; .join(",",@str) if (@str); last; }; + /\.comm/ && do { my @str=split(/,\s*/,$line); + my $v=undef; + if ($nasm) { + $v.="common $prefix@str[0] @str[1]"; + } else { + $v="$current_segment\tENDS\n" if ($current_segment); + $current_segment = "_DATA"; + $v.="$current_segment\tSEGMENT\n"; + $v.="COMM @str[0]:DWORD:".@str[1]/4; + } + $self->{value} = $v; + last; + }; } $line = ""; } @@ -625,9 +649,133 @@ my %globals; } } +sub rex { + local *opcode=shift; + my ($dst,$src,$rex)=@_; + + $rex|=0x04 if($dst>=8); + $rex|=0x01 if($src>=8); + push @opcode,($rex|0x40) if ($rex); +} + +# older gas and ml64 don't handle SSE>2 instructions +my %regrm = ( "%eax"=>0, "%ecx"=>1, "%edx"=>2, "%ebx"=>3, + "%esp"=>4, "%ebp"=>5, "%esi"=>6, "%edi"=>7 ); + +my $movq = sub { # elderly gas can't handle inter-register movq + my $arg = shift; + my @opcode=(0x66); + if ($arg =~ /%xmm([0-9]+),\s*%r(\w+)/) { + my ($src,$dst)=($1,$2); + if ($dst !~ /[0-9]+/) { $dst = $regrm{"%e$dst"}; } + rex(\@opcode,$src,$dst,0x8); + push @opcode,0x0f,0x7e; + push @opcode,0xc0|(($src&7)<<3)|($dst&7); # ModR/M + @opcode; + } elsif ($arg =~ /%r(\w+),\s*%xmm([0-9]+)/) { + my ($src,$dst)=($2,$1); + if ($dst !~ /[0-9]+/) { $dst = $regrm{"%e$dst"}; } + rex(\@opcode,$src,$dst,0x8); + push @opcode,0x0f,0x6e; + push @opcode,0xc0|(($src&7)<<3)|($dst&7); # ModR/M + @opcode; + } else { + (); + } +}; + +my $pextrd = sub { + if (shift =~ /\$([0-9]+),\s*%xmm([0-9]+),\s*(%\w+)/) { + my @opcode=(0x66); + $imm=$1; + $src=$2; + $dst=$3; + if ($dst =~ /%r([0-9]+)d/) { $dst = $1; } + elsif ($dst =~ /%e/) { $dst = $regrm{$dst}; } + rex(\@opcode,$src,$dst); + push @opcode,0x0f,0x3a,0x16; + push @opcode,0xc0|(($src&7)<<3)|($dst&7); # ModR/M + push @opcode,$imm; + @opcode; + } else { + (); + } +}; + +my $pinsrd = sub { + if (shift =~ /\$([0-9]+),\s*(%\w+),\s*%xmm([0-9]+)/) { + my @opcode=(0x66); + $imm=$1; + $src=$2; + $dst=$3; + if ($src =~ /%r([0-9]+)/) { $src = $1; } + elsif ($src =~ /%e/) { $src = $regrm{$src}; } + rex(\@opcode,$dst,$src); + push @opcode,0x0f,0x3a,0x22; + push @opcode,0xc0|(($dst&7)<<3)|($src&7); # ModR/M + push @opcode,$imm; + @opcode; + } else { + (); + } +}; + +my $pshufb = sub { + if (shift =~ /%xmm([0-9]+),\s*%xmm([0-9]+)/) { + my @opcode=(0x66); + rex(\@opcode,$2,$1); + push @opcode,0x0f,0x38,0x00; + push @opcode,0xc0|($1&7)|(($2&7)<<3); # ModR/M + @opcode; + } else { + (); + } +}; + +my $palignr = sub { + if (shift =~ /\$([0-9]+),\s*%xmm([0-9]+),\s*%xmm([0-9]+)/) { + my @opcode=(0x66); + rex(\@opcode,$3,$2); + push @opcode,0x0f,0x3a,0x0f; + push @opcode,0xc0|($2&7)|(($3&7)<<3); # ModR/M + push @opcode,$1; + @opcode; + } else { + (); + } +}; + +my $pclmulqdq = sub { + if (shift =~ /\$([x0-9a-f]+),\s*%xmm([0-9]+),\s*%xmm([0-9]+)/) { + my @opcode=(0x66); + rex(\@opcode,$3,$2); + push @opcode,0x0f,0x3a,0x44; + push @opcode,0xc0|($2&7)|(($3&7)<<3); # ModR/M + my $c=$1; + push @opcode,$c=~/^0/?oct($c):$c; + @opcode; + } else { + (); + } +}; + +my $rdrand = sub { + if (shift =~ /%[er](\w+)/) { + my @opcode=(); + my $dst=$1; + if ($dst !~ /[0-9]+/) { $dst = $regrm{"%e$dst"}; } + rex(\@opcode,0,$1,8); + push @opcode,0x0f,0xc7,0xf0|($dst&7); + @opcode; + } else { + (); + } +}; + if ($nasm) { print <<___; default rel +%define XMMWORD ___ } elsif ($masm) { print <<___; @@ -644,14 +792,22 @@ while($line=<>) { undef $label; undef $opcode; - undef $sz; undef @args; if ($label=label->re(\$line)) { print $label->out(); } if (directive->re(\$line)) { printf "%s",directive->out(); - } elsif ($opcode=opcode->re(\$line)) { ARGUMENT: while (1) { + } elsif ($opcode=opcode->re(\$line)) { + my $asm = eval("\$".$opcode->mnemonic()); + undef @bytes; + + if ((ref($asm) eq 'CODE') && scalar(@bytes=&$asm($line))) { + print $gas?".byte\t":"DB\t",join(',',@bytes),"\n"; + next; + } + + ARGUMENT: while (1) { my $arg; if ($arg=register->re(\$line)) { opcode->size($arg->size()); } @@ -667,19 +823,26 @@ while($line=<>) { $line =~ s/^,\s*//; } # ARGUMENT: - $sz=opcode->size(); - if ($#args>=0) { my $insn; + my $sz=opcode->size(); + if ($gas) { $insn = $opcode->out($#args>=1?$args[$#args]->size():$sz); + @args = map($_->out($sz),@args); + printf "\t%s\t%s",$insn,join(",",@args); } else { $insn = $opcode->out(); - $insn .= $sz if (map($_->out() =~ /x?mm/,@args)); + foreach (@args) { + my $arg = $_->out(); + # $insn.=$sz compensates for movq, pinsrw, ... + if ($arg =~ /^xmm[0-9]+$/) { $insn.=$sz; $sz="x" if(!$sz); last; } + if ($arg =~ /^mm[0-9]+$/) { $insn.=$sz; $sz="q" if(!$sz); last; } + } @args = reverse(@args); undef $sz if ($nasm && $opcode->mnemonic() eq "lea"); + printf "\t%s\t%s",$insn,join(",",map($_->out($sz),@args)); } - printf "\t%s\t%s",$insn,join(",",map($_->out($sz),@args)); } else { printf "\t%s",$opcode->out(); } |