# Win64 prologue copies %rsp value to %rax. For further details
# see SEH paragraph at the end.
# 9. .init segment is allowed to contain calls to functions only.
+# a. If function accepts more than 4 arguments *and* >4th argument
+# is declared as non 64-bit value, do clear its upper part.
\f
my $flavour = shift;
my $output = shift;
my $nasmref=2.03;
my $nasm=0;
-if ($flavour eq "mingw64") { $gas=1; $elf=0; $win64=1; $prefix="_"; }
+if ($flavour eq "mingw64") { $gas=1; $elf=0; $win64=1;
+ $prefix=`echo __USER_LABEL_PREFIX__ | $ENV{CC} -E -P -`;
+ chomp($prefix);
+ }
elsif ($flavour eq "macosx") { $gas=1; $elf=0; $prefix="_"; $decor="L\$"; }
elsif ($flavour eq "masm") { $gas=0; $elf=0; $masm=$masmref; $win64=1; $decor="\$L\$"; }
elsif ($flavour eq "nasm") { $gas=0; $elf=0; $nasm=$nasmref; $win64=1; $decor="\$L\$"; $PTR=""; }
$self->{sz} = "b";
} elsif ($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} =~ /([a-z]{3,})([qlwb])$/) {
$self->{op} = $1;
} elsif ($self->{op} =~ /^(pop|push)f/) {
$self->{op} .= $self->{sz};
} elsif ($self->{op} eq "call" && $current_segment eq ".CRT\$XCU") {
- $self->{op} = "ALIGN\t8\n\tDQ";
+ $self->{op} = "\tDQ";
}
$self->{op};
}
if ($gas) {
# Solaris /usr/ccs/bin/as can't handle multiplications
# in $self->{value}
- $self->{value} =~ s/(?<=[\b\+\-\/\*\%])(0[x0-9a-f]+)/oct($1)/egi;
+ $self->{value} =~ s/(?<![\w\$\.])(0x?[0-9a-f]+)/oct($1)/egi;
$self->{value} =~ s/([0-9]+\s*[\*\/\%]\s*[0-9]+)/eval($1)/eg;
sprintf "\$%s",$self->{value};
} else {
# Solaris /usr/ccs/bin/as can't handle multiplications
# in $self->{label}, new gas requires sign extension...
use integer;
- $self->{label} =~ s/(?<=[\b\+\-\/\*\%])(0[xb]*[0-9a-f]+)/oct($1)/egi;
+ $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$PTR",o=>"OWORD$PTR" );
+ q=>"QWORD$PTR",o=>"OWORD$PTR",x=>"XMMWORD$PTR" );
$self->{label} =~ s/\./\$/g;
- $self->{label} =~ s/(?<=[\b\+\-\/\*\%])0x([0-9a-f]+)/0$1h/ig;
+ $self->{label} =~ s/(?<![\w\$\.])0x([0-9a-f]+)/0$1h/ig;
$self->{label} = "($self->{label})" if ($self->{label} =~ /[\*\+\-\/]/);
$sz="q" if ($self->{asterisk});
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 {
if ($line=~/\.([px])data/) {
$v.=" rdata align=";
$v.=$1 eq "p"? 4 : 8;
+ } elsif ($line=~/\.CRT\$/i) {
+ $v.=" rdata align=8";
}
} else {
$v="$current_segment\tENDS\n" if ($current_segment);
if ($line=~/\.([px])data/) {
$v.=" READONLY";
$v.=" ALIGN(".($1 eq "p" ? 4 : 8).")" if ($masm>=$masmref);
+ } elsif ($line=~/\.CRT\$/i) {
+ $v.=" READONLY DWORD";
}
}
$current_segment = $line;
}
}
-# older gas doesn't handle SSE>2 instructions
+# 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 $pextrd = sub {
- my ($imm,$src,$dst) = @_;
- if ("$imm:$src" =~ /\$([0-9]+):%xmm([0-9]+)/) {
+ if (shift =~ /\$([0-9]+),%xmm([0-9]+),(%\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,$imm;
- printf "\t.byte\t%s\n",join(',',@opcode);
+ @opcode;
} else {
- printf "\tpextrd\t%s\n",join(',',@_);
+ ();
}
-} if ($gas);
+};
my $pinsrd = sub {
- my ($imm,$src,$dst) = @_;
- if ("$imm:$dst" =~ /\$([0-9]+):%xmm([0-9]+)/) {
+ if (shift =~ /\$([0-9]+),(%\w+),%xmm([0-9]+)/) {
my @opcode=(0x66);
$imm=$1;
- $dst=$2;
- if ($src =~ /%r([0-9]+)d/) { $src = $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,$imm;
- printf "\t.byte\t%s\n",join(',',@opcode);
+ @opcode;
} else {
- printf "\tpinsrd\t%s\n",join(',',@_);
+ ();
}
-} if ($gas);
+};
my $pshufb = sub {
- my ($src,$dst) = @_;
- if ("$dst:$src" =~ /%xmm([0-9]+):%xmm([0-9]+)/) {
+ if (shift =~ /%xmm([0-9]+),%xmm([0-9]+)/) {
my @opcode=(0x66);
- rex(\@opcode,$1,$2);
+ rex(\@opcode,$2,$1);
push @opcode,0x0f,0x38,0x00;
- push @opcode,0xc0|($2&7)|(($1&7)<<3); # ModR/M
- printf "\t.byte\t%s\n",join(',',@opcode);
+ push @opcode,0xc0|($1&7)|(($2&7)<<3); # ModR/M
+ @opcode;
+ } else {
+ ();
+ }
+};
+
+my $palignr = sub {
+ if (shift =~ /\$([0-9]+),%xmm([0-9]+),%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 {
- printf "\tpshufb\t%s\n",join(',',@_);
+ ();
}
-} if ($gas);
+};
if ($nasm) {
print <<___;
default rel
+%define XMMWORD
___
} elsif ($masm) {
print <<___;
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()); }
$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);
- my $asm = eval("\$$insn");
- if (ref($asm) eq 'CODE') { &$asm(@args); }
- else { printf "\t%s\t%s",$insn,join(",",@args); }
+ printf "\t%s\t%s",$insn,join(",",@args);
} else {
$insn = $opcode->out();
foreach (@args) {
my $arg = $_->out();
- if ($arg =~ /xmm/) { $insn.=$sz; $sz="o"; last; }
- if ($arg =~ /mm/) { $insn.=$sz; $sz="q"; last; }
+ # $insn.=$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");