-#!/usr/bin/env perl
+#! /usr/bin/env perl
+# Copyright 2005-2016 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
+
# Ascetic x86_64 AT&T to MASM/NASM assembler translator by <appro>.
#
# a. If function accepts more than 4 arguments *and* >4th argument
# is declared as non 64-bit value, do clear its upper part.
\f
+
+use strict;
+
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);
if ($flavour eq "mingw64") { $gas=1; $elf=0; $win64=1;
$prefix=`echo __USER_LABEL_PREFIX__ | $ENV{CC} -E -P -`;
- chomp($prefix);
+ $prefix =~ s|\R$||; # Better chomp
}
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\$"; }
{ package opcode; # pick up opcodes
sub re {
- my $self = shift; # single instance in enough...
- local *line = shift;
- undef $ret;
+ my ($class, $line) = @_;
+ my $self = {};
+ my $ret;
- if ($line =~ /^([a-z][a-z0-9]*)/i) {
+ if ($$line =~ /^([a-z][a-z0-9]*)/i) {
+ bless $self,$class;
$self->{op} = $1;
$ret = $self;
- $line = substr($line,@+[0]); $line =~ s/^\s+//;
+ $$line = substr($$line,@+[0]); $$line =~ s/^\s+//;
undef $self->{sz};
if ($self->{op} =~ /^(movz)x?([bw]).*/) { # movz is pain...
$self->{sz} = "";
} elsif ($self->{op} =~ /^v/) { # VEX
$self->{sz} = "";
- } elsif ($self->{op} =~ /movq/ && $line =~ /%xmm/) {
+ } elsif ($self->{op} =~ /mov[dq]/ && $$line =~ /%xmm/) {
$self->{sz} = "";
} elsif ($self->{op} =~ /([a-z]{3,})([qlwb])$/) {
$self->{op} = $1;
$ret;
}
sub size {
- my $self = shift;
- my $sz = shift;
+ my ($self, $sz) = @_;
$self->{sz} = $sz if (defined($sz) && !defined($self->{sz}));
$self->{sz};
}
}
}
sub mnemonic {
- my $self=shift;
- my $op=shift;
+ my ($self, $op) = @_;
$self->{op}=$op if (defined($op));
$self->{op};
}
}
{ package const; # pick up constants, which start with $
sub re {
- my $self = shift; # single instance in enough...
- local *line = shift;
- undef $ret;
+ my ($class, $line) = @_;
+ my $self = {};
+ my $ret;
- if ($line =~ /^\$([^,]+)/) {
+ if ($$line =~ /^\$([^,]+)/) {
+ bless $self, $class;
$self->{value} = $1;
$ret = $self;
- $line = substr($line,@+[0]); $line =~ s/^\s+//;
+ $$line = substr($$line,@+[0]); $$line =~ s/^\s+//;
}
$ret;
}
sub out {
my $self = shift;
+ $self->{value} =~ s/\b(0b[0-1]+)/oct($1)/eig;
if ($gas) {
# Solaris /usr/ccs/bin/as can't handle multiplications
# in $self->{value}
- $self->{value} =~ s/(?<![\w\$\.])(0x?[0-9a-f]+)/oct($1)/egi;
- $self->{value} =~ s/([0-9]+\s*[\*\/\%]\s*[0-9]+)/eval($1)/eg;
+ my $value = $self->{value};
+ $value =~ s/(?<![\w\$\.])(0x?[0-9a-f]+)/oct($1)/egi;
+ if ($value =~ s/([0-9]+\s*[\*\/\%]\s*[0-9]+)/eval($1)/eg) {
+ $self->{value} = $value;
+ }
sprintf "\$%s",$self->{value};
} else {
- $self->{value} =~ s/(0b[0-1]+)/oct($1)/eig;
$self->{value} =~ s/0x([0-9a-f]+)/0$1h/ig if ($masm);
sprintf "%s",$self->{value};
}
}
{ package ea; # pick up effective addresses: expr(%reg,%reg,scale)
sub re {
- my $self = shift; # single instance in enough...
- local *line = shift;
- undef $ret;
+ my ($class, $line, $opcode) = @_;
+ my $self = {};
+ my $ret;
# optional * ---vvv--- appears in indirect jmp/call
- if ($line =~ /^(\*?)([^\(,]*)\(([%\w,]+)\)/) {
+ if ($$line =~ /^(\*?)([^\(,]*)\(([%\w,]+)\)/) {
+ bless $self, $class;
$self->{asterisk} = $1;
$self->{label} = $2;
($self->{base},$self->{index},$self->{scale})=split(/,/,$3);
$self->{scale} = 1 if (!defined($self->{scale}));
$ret = $self;
- $line = substr($line,@+[0]); $line =~ s/^\s+//;
+ $$line = substr($$line,@+[0]); $$line =~ s/^\s+//;
if ($win64 && $self->{label} =~ s/\@GOTPCREL//) {
- die if (opcode->mnemonic() ne "mov");
- opcode->mnemonic("lea");
+ die if ($opcode->mnemonic() ne "mov");
+ $opcode->mnemonic("lea");
}
$self->{base} =~ s/^%//;
$self->{index} =~ s/^%// if (defined($self->{index}));
+ $self->{opcode} = $opcode;
}
$ret;
}
sub size {}
sub out {
- my $self = shift;
- my $sz = shift;
+ my ($self, $sz) = @_;
$self->{label} =~ s/([_a-z][_a-z0-9]*)/$globals{$1} or $1/gei;
$self->{label} =~ s/\.L/$decor/g;
# 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/\b([0-9]+\s*[\*\/\%]\s*[0-9]+)\b/eval($1)/eg;
+ $self->{label} =~ s/\b([0-9]+)\b/$1<<32>>32/eg;
+
+ if (!$self->{label} && $self->{index} && $self->{scale}==1 &&
+ $self->{base} =~ /(rbp|r13)/) {
+ $self->{base} = $self->{index}; $self->{index} = $1;
+ }
if ($gas) {
$self->{label} =~ s/^___imp_/__imp__/ if ($flavour eq "mingw64");
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",x=>"XMMWORD$PTR" );
+ my %szmap = ( b=>"BYTE$PTR", w=>"WORD$PTR",
+ l=>"DWORD$PTR", d=>"DWORD$PTR",
+ q=>"QWORD$PTR", o=>"OWORD$PTR",
+ x=>"XMMWORD$PTR", y=>"YMMWORD$PTR", z=>"ZMMWORD$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} || opcode->mnemonic() eq "movq");
+
+ my $mnemonic = $self->{opcode}->mnemonic();
+ ($self->{asterisk}) && ($sz="q") ||
+ ($mnemonic =~ /^v?mov([qd])$/) && ($sz=$1) ||
+ ($mnemonic =~ /^v?pinsr([qdwb])$/) && ($sz=$1) ||
+ ($mnemonic =~ /^vpbroadcast([qdwb])$/) && ($sz=$1) ||
+ ($mnemonic =~ /^v(?!perm)[a-z]+[fi]128$/) && ($sz="x");
if (defined($self->{index})) {
sprintf "%s[%s%s*%d%s]",$szmap{$sz},
}
{ package register; # pick up registers, which start with %.
sub re {
- my $class = shift; # muliple instances...
+ my ($class, $line, $opcode) = @_;
my $self = {};
- local *line = shift;
- undef $ret;
+ my $ret;
- # optional * ---vvv--- appears in indirect jmp/call
- if ($line =~ /^(\*?)%(\w+)/) {
+ # optional * ----vvv--- appears in indirect jmp/call
+ if ($$line =~ /^(\*?)%(\w+)/) {
bless $self,$class;
$self->{asterisk} = $1;
$self->{value} = $2;
+ $opcode->size($self->size());
$ret = $self;
- $line = substr($line,@+[0]); $line =~ s/^\s+//;
+ $$line = substr($$line,@+[0]); $$line =~ s/^\s+//;
}
$ret;
}
sub size {
my $self = shift;
- undef $ret;
+ my $ret;
if ($self->{value} =~ /^r[\d]+b$/i) { $ret="b"; }
elsif ($self->{value} =~ /^r[\d]+w$/i) { $ret="w"; }
}
{ package label; # pick up labels, which end with :
sub re {
- my $self = shift; # single instance is enough...
- local *line = shift;
- undef $ret;
+ my ($class, $line) = @_;
+ my $self = {};
+ my $ret;
- if ($line =~ /(^[\.\w]+)\:/) {
+ if ($$line =~ /(^[\.\w]+)\:/) {
+ bless $self,$class;
$self->{value} = $1;
$ret = $self;
- $line = substr($line,@+[0]); $line =~ s/^\s+//;
+ $$line = substr($$line,@+[0]); $$line =~ s/^\s+//;
$self->{value} =~ s/^\.L/$decor/;
}
}
$func;
} elsif ($self->{value} ne "$current_function->{name}") {
- $self->{value} .= ":" if ($masm && $ret!~m/^\$/);
+ # Make all labels in masm global.
+ $self->{value} .= ":" if ($masm);
$self->{value} . ":";
} elsif ($win64 && $current_function->{abi} eq "svr4") {
my $func = "$current_function->{name}" .
}
{ package expr; # pick up expressioins
sub re {
- my $self = shift; # single instance is enough...
- local *line = shift;
- undef $ret;
+ my ($class, $line, $opcode) = @_;
+ my $self = {};
+ my $ret;
- if ($line =~ /(^[^,]+)/) {
+ if ($$line =~ /(^[^,]+)/) {
+ bless $self,$class;
$self->{value} = $1;
$ret = $self;
- $line = substr($line,@+[0]); $line =~ s/^\s+//;
+ $$line = substr($$line,@+[0]); $$line =~ s/^\s+//;
$self->{value} =~ s/\@PLT// if (!$elf);
$self->{value} =~ s/([_a-z][_a-z0-9]*)/$globals{$1} or $1/gei;
$self->{value} =~ s/\.L/$decor/g;
+ $self->{opcode} = $opcode;
}
$ret;
}
sub out {
my $self = shift;
- if ($nasm && opcode->mnemonic()=~m/^j/) {
+ if ($nasm && $self->{opcode}->mnemonic()=~m/^j(?![re]cxz)/) {
"NEAR ".$self->{value};
} else {
$self->{value};
}
{ package directive; # pick up directives, which start with .
sub re {
- my $self = shift; # single instance is enough...
- local *line = shift;
- undef $ret;
+ my ($class, $line) = @_;
+ my $self = {};
+ my $ret;
my $dir;
my %opcode = # lea 2f-1f(%rip),%dst; 1: nop; 2:
( "%rax"=>0x01058d48, "%rcx"=>0x010d8d48,
"%r12"=>0x01258d4c, "%r13"=>0x012d8d4c,
"%r14"=>0x01358d4c, "%r15"=>0x013d8d4c );
- if ($line =~ /^\s*(\.\w+)/) {
+ if ($$line =~ /^\s*(\.\w+)/) {
+ bless $self,$class;
$dir = $1;
$ret = $self;
undef $self->{value};
- $line = substr($line,@+[0]); $line =~ s/^\s+//;
+ $$line = substr($$line,@+[0]); $$line =~ s/^\s+//;
SWITCH: for ($dir) {
- /\.picmeup/ && do { if ($line =~ /(%r[\w]+)/i) {
+ /\.picmeup/ && do { if ($$line =~ /(%r[\w]+)/i) {
$dir="\t.long";
- $line=sprintf "0x%x,0x90000000",$opcode{$1};
+ $$line=sprintf "0x%x,0x90000000",$opcode{$1};
}
last;
};
/\.global|\.globl|\.extern/
- && do { $globals{$line} = $prefix . $line;
- $line = $globals{$line} if ($prefix);
+ && do { $globals{$$line} = $prefix . $$line;
+ $$line = $globals{$$line} if ($prefix);
last;
};
- /\.type/ && do { ($sym,$type,$narg) = split(',',$line);
+ /\.type/ && do { my ($sym,$type,$narg) = split(',',$$line);
if ($type eq "\@function") {
undef $current_function;
$current_function->{name} = $sym;
$current_function->{name} = $sym;
$current_function->{scope} = defined($globals{$sym})?"PUBLIC":"PRIVATE";
}
- $line =~ s/\@abi\-omnipotent/\@function/;
- $line =~ s/\@function.*/\@function/;
+ $$line =~ s/\@abi\-omnipotent/\@function/;
+ $$line =~ s/\@function.*/\@function/;
last;
};
- /\.asciz/ && do { if ($line =~ /^"(.*)"$/) {
+ /\.asciz/ && do { if ($$line =~ /^"(.*)"$/) {
$dir = ".byte";
- $line = join(",",unpack("C*",$1),0);
+ $$line = join(",",unpack("C*",$1),0);
}
last;
};
/\.rva|\.long|\.quad/
- && do { $line =~ s/([_a-z][_a-z0-9]*)/$globals{$1} or $1/gei;
- $line =~ s/\.L/$decor/g;
+ && do { $$line =~ s/([_a-z][_a-z0-9]*)/$globals{$1} or $1/gei;
+ $$line =~ s/\.L/$decor/g;
last;
};
}
if ($gas) {
- $self->{value} = $dir . "\t" . $line;
+ $self->{value} = $dir . "\t" . $$line;
if ($dir =~ /\.extern/) {
$self->{value} = ""; # swallow extern
$self->{value} = ".def\t" . ($globals{$1} or $1) . ";\t" .
(defined($globals{$1})?".scl 2;":".scl 3;") .
"\t.type 32;\t.endef"
- if ($win64 && $line =~ /([^,]+),\@function/);
+ if ($win64 && $$line =~ /([^,]+),\@function/);
} elsif (!$elf && $dir =~ /\.size/) {
$self->{value} = "";
if (defined($current_function)) {
undef $current_function;
}
} elsif (!$elf && $dir =~ /\.align/) {
- $self->{value} = ".p2align\t" . (log($line)/log(2));
+ $self->{value} = ".p2align\t" . (log($$line)/log(2));
} elsif ($dir eq ".section") {
- $current_segment=$line;
+ $current_segment=$$line;
if (!$elf && $current_segment eq ".init") {
if ($flavour eq "macosx") { $self->{value} = ".mod_init_func"; }
elsif ($flavour eq "mingw64") { $self->{value} = ".section\t.ctors"; }
} elsif ($dir =~ /\.(text|data)/) {
$current_segment=".$1";
} elsif ($dir =~ /\.hidden/) {
- if ($flavour eq "macosx") { $self->{value} = ".private_extern\t$prefix$line"; }
+ if ($flavour eq "macosx") { $self->{value} = ".private_extern\t$prefix$$line"; }
elsif ($flavour eq "mingw64") { $self->{value} = ""; }
} elsif ($dir =~ /\.comm/) {
- $self->{value} = "$dir\t$prefix$line";
+ $self->{value} = "$dir\t$prefix$$line";
+ $self->{value} =~ s|,([0-9]+),([0-9]+)$|",$1,".log($2)/log(2)|e if ($flavour eq "macosx");
}
- $line = "";
+ $$line = "";
return $self;
}
$v="$current_segment\tENDS\n" if ($current_segment);
$current_segment = ".text\$";
$v.="$current_segment\tSEGMENT ";
- $v.=$masm>=$masmref ? "ALIGN(64)" : "PAGE";
+ $v.=$masm>=$masmref ? "ALIGN(256)" : "PAGE";
$v.=" 'CODE'";
}
$self->{value} = $v;
last;
};
/\.section/ && do { my $v=undef;
- $line =~ s/([^,]*).*/$1/;
- $line = ".CRT\$XCU" if ($line eq ".init");
+ $$line =~ s/([^,]*).*/$1/;
+ $$line = ".CRT\$XCU" if ($$line eq ".init");
if ($nasm) {
- $v="section $line";
- if ($line=~/\.([px])data/) {
+ $v="section $$line";
+ if ($$line=~/\.([px])data/) {
$v.=" rdata align=";
$v.=$1 eq "p"? 4 : 8;
- } elsif ($line=~/\.CRT\$/i) {
+ } elsif ($$line=~/\.CRT\$/i) {
$v.=" rdata align=8";
}
} else {
$v="$current_segment\tENDS\n" if ($current_segment);
- $v.="$line\tSEGMENT";
- if ($line=~/\.([px])data/) {
+ $v.="$$line\tSEGMENT";
+ if ($$line=~/\.([px])data/) {
$v.=" READONLY";
$v.=" ALIGN(".($1 eq "p" ? 4 : 8).")" if ($masm>=$masmref);
- } elsif ($line=~/\.CRT\$/i) {
- $v.=" READONLY DWORD";
+ } elsif ($$line=~/\.CRT\$/i) {
+ $v.=" READONLY ";
+ $v.=$masm>=$masmref ? "ALIGN(8)" : "DWORD";
}
}
- $current_segment = $line;
+ $current_segment = $$line;
$self->{value} = $v;
last;
};
- /\.extern/ && do { $self->{value} = "EXTERN\t".$line;
+ /\.extern/ && do { $self->{value} = "EXTERN\t".$$line;
$self->{value} .= ":NEAR" if ($masm);
last;
};
/\.globl|.global/
&& do { $self->{value} = $masm?"PUBLIC":"global";
- $self->{value} .= "\t".$line;
+ $self->{value} .= "\t".$$line;
last;
};
/\.size/ && do { if (defined($current_function)) {
$self->{value}="${decor}SEH_end_$current_function->{name}:";
$self->{value}.=":\n" if($masm);
}
- $self->{value}.="$current_function->{name}\tENDP" if($masm);
+ $self->{value}.="$current_function->{name}\tENDP" if($masm && $current_function->{name});
undef $current_function;
}
last;
};
- /\.align/ && do { $self->{value} = "ALIGN\t".$line; last; };
+ /\.align/ && do { my $max = ($masm && $masm>=$masmref) ? 256 : 4096;
+ $self->{value} = "ALIGN\t".($$line>$max?$max:$$line);
+ last;
+ };
/\.(value|long|rva|quad)/
&& do { my $sz = substr($1,0,1);
- my @arr = split(/,\s*/,$line);
+ my @arr = split(/,\s*/,$$line);
my $last = pop(@arr);
my $conv = sub { my $var=shift;
$var=~s/^(0b[0-1]+)/oct($1)/eig;
$self->{value} .= &$conv($last);
last;
};
- /\.byte/ && do { my @str=split(/,\s*/,$line);
+ /\.byte/ && do { my @str=split(/,\s*/,$$line);
map(s/(0b[0-1]+)/oct($1)/eig,@str);
map(s/0x([0-9a-f]+)/0$1h/ig,@str) if ($masm);
while ($#str>15) {
.join(",",@str) if (@str);
last;
};
- /\.comm/ && do { my @str=split(/,\s*/,$line);
+ /\.comm/ && do { my @str=split(/,\s*/,$$line);
my $v=undef;
if ($nasm) {
$v.="common $prefix@str[0] @str[1]";
last;
};
}
- $line = "";
+ $$line = "";
}
$ret;
}
sub rex {
- local *opcode=shift;
+ my $opcode=shift;
my ($dst,$src,$rex)=@_;
$rex|=0x04 if($dst>=8);
$rex|=0x01 if($src>=8);
- push @opcode,($rex|0x40) if ($rex);
+ push @$opcode,($rex|0x40) if ($rex);
}
# older gas and ml64 don't handle SSE>2 instructions
my $pextrd = sub {
if (shift =~ /\$([0-9]+),\s*%xmm([0-9]+),\s*(%\w+)/) {
my @opcode=(0x66);
- $imm=$1;
- $src=$2;
- $dst=$3;
+ my $imm=$1;
+ my $src=$2;
+ my $dst=$3;
if ($dst =~ /%r([0-9]+)d/) { $dst = $1; }
elsif ($dst =~ /%e/) { $dst = $regrm{$dst}; }
rex(\@opcode,$src,$dst);
my $pinsrd = sub {
if (shift =~ /\$([0-9]+),\s*(%\w+),\s*%xmm([0-9]+)/) {
my @opcode=(0x66);
- $imm=$1;
- $src=$2;
- $dst=$3;
+ my $imm=$1;
+ my $src=$2;
+ my $dst=$3;
if ($src =~ /%r([0-9]+)/) { $src = $1; }
elsif ($src =~ /%e/) { $src = $regrm{$src}; }
rex(\@opcode,$dst,$src);
}
};
+my $rdseed = sub {
+ if (shift =~ /%[er](\w+)/) {
+ my @opcode=();
+ my $dst=$1;
+ if ($dst !~ /[0-9]+/) { $dst = $regrm{"%e$dst"}; }
+ rex(\@opcode,0,$1,8);
+ push @opcode,0x0f,0xc7,0xf8|($dst&7);
+ @opcode;
+ } else {
+ ();
+ }
+};
+
+sub rxb {
+ my $opcode=shift;
+ my ($dst,$src1,$src2,$rxb)=@_;
+
+ $rxb|=0x7<<5;
+ $rxb&=~(0x04<<5) if($dst>=8);
+ $rxb&=~(0x01<<5) if($src1>=8);
+ $rxb&=~(0x02<<5) if($src2>=8);
+ push @$opcode,$rxb;
+}
+
+my $vprotd = sub {
+ if (shift =~ /\$([x0-9a-f]+),\s*%xmm([0-9]+),\s*%xmm([0-9]+)/) {
+ my @opcode=(0x8f);
+ rxb(\@opcode,$3,$2,-1,0x08);
+ push @opcode,0x78,0xc2;
+ push @opcode,0xc0|($2&7)|(($3&7)<<3); # ModR/M
+ my $c=$1;
+ push @opcode,$c=~/^0/?oct($c):$c;
+ @opcode;
+ } else {
+ ();
+ }
+};
+
+my $vprotq = sub {
+ if (shift =~ /\$([x0-9a-f]+),\s*%xmm([0-9]+),\s*%xmm([0-9]+)/) {
+ my @opcode=(0x8f);
+ rxb(\@opcode,$3,$2,-1,0x08);
+ push @opcode,0x78,0xc3;
+ push @opcode,0xc0|($2&7)|(($3&7)<<3); # ModR/M
+ my $c=$1;
+ push @opcode,$c=~/^0/?oct($c):$c;
+ @opcode;
+ } else {
+ ();
+ }
+};
+
if ($nasm) {
print <<___;
default rel
%define XMMWORD
+%define YMMWORD
+%define ZMMWORD
___
} elsif ($masm) {
print <<___;
OPTION DOTNAME
___
}
-while($line=<>) {
+while(defined(my $line=<>)) {
- chomp($line);
+ $line =~ s|\R$||; # Better chomp
$line =~ s|[#!].*$||; # get rid of asm-style comments...
$line =~ s|/\*.*\*/||; # ... and C-style comments...
$line =~ s|^\s+||; # ... and skip white spaces in beginning
+ $line =~ s|\s+$||; # ... and at the end
- undef $label;
- undef $opcode;
- undef @args;
-
- if ($label=label->re(\$line)) { print $label->out(); }
+ if (my $label=label->re(\$line)) { print $label->out(); }
- if (directive->re(\$line)) {
- printf "%s",directive->out();
- } elsif ($opcode=opcode->re(\$line)) {
+ if (my $directive=directive->re(\$line)) {
+ printf "%s",$directive->out();
+ } elsif (my $opcode=opcode->re(\$line)) {
my $asm = eval("\$".$opcode->mnemonic());
- undef @bytes;
- if ((ref($asm) eq 'CODE') && scalar(@bytes=&$asm($line))) {
+ if ((ref($asm) eq 'CODE') && scalar(my @bytes=&$asm($line))) {
print $gas?".byte\t":"DB\t",join(',',@bytes),"\n";
next;
}
+ my @args;
ARGUMENT: while (1) {
- my $arg;
+ my $arg;
- if ($arg=register->re(\$line)) { opcode->size($arg->size()); }
- elsif ($arg=const->re(\$line)) { }
- elsif ($arg=ea->re(\$line)) { }
- elsif ($arg=expr->re(\$line)) { }
- else { last ARGUMENT; }
+ ($arg=register->re(\$line, $opcode))||
+ ($arg=const->re(\$line)) ||
+ ($arg=ea->re(\$line, $opcode)) ||
+ ($arg=expr->re(\$line, $opcode)) ||
+ last ARGUMENT;
- push @args,$arg;
+ push @args,$arg;
- last ARGUMENT if ($line !~ /^,/);
+ last ARGUMENT if ($line !~ /^,/);
- $line =~ s/^,\s*//;
+ $line =~ s/^,\s*//;
} # ARGUMENT:
if ($#args>=0) {
my $insn;
- my $sz=opcode->size();
+ my $sz=$opcode->size();
if ($gas) {
$insn = $opcode->out($#args>=1?$args[$#args]->size():$sz);
my $arg = $_->out();
# $insn.=$sz compensates for movq, pinsrw, ...
if ($arg =~ /^xmm[0-9]+$/) { $insn.=$sz; $sz="x" if(!$sz); last; }
+ if ($arg =~ /^ymm[0-9]+$/) { $insn.=$sz; $sz="y" if(!$sz); last; }
+ if ($arg =~ /^zmm[0-9]+$/) { $insn.=$sz; $sz="z" if(!$sz); last; }
if ($arg =~ /^mm[0-9]+$/) { $insn.=$sz; $sz="q" if(!$sz); last; }
}
@args = reverse(@args);
# (#) Nth argument, volatile
#
# In Unix terms top of stack is argument transfer area for arguments
-# which could not be accomodated in registers. Or in other words 7th
+# which could not be accommodated in registers. Or in other words 7th
# [integer] argument resides at 8(%rsp) upon function entry point.
# 128 bytes above %rsp constitute a "red zone" which is not touched
# by signal handlers and can be used as temporal storage without
# .rva .LSEH_end_function
# .rva function_unwind_info
#
-# Reference to functon_unwind_info from .xdata segment is the anchor.
+# Reference to function_unwind_info from .xdata segment is the anchor.
# In case you wonder why references are 32-bit .rvas and not 64-bit
# .quads. References put into these two segments are required to be
# *relative* to the base address of the current binary module, a.k.a.
projects / openssl.git / blobdiff