# 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->{op} = $1;
$self->{sz} = "b";
} elsif ($self->{op} =~ /call|jmp/) {
- $self->{sz} = ""
+ $self->{sz} = "";
+ } elsif ($self->{op} =~ /^p/ && $' !~ /^(ush|op)/) { # SSEn
+ $self->{sz} = "";
} elsif ($self->{op} =~ /([a-z]{3,})([qlwb])$/) {
$self->{op} = $1;
$self->{sz} = $2;
} elsif ($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/(?<![0-9a-f])(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 {
- $self->{value} =~ s/0x([0-9a-f]+)/0$1h/ig;
+ $self->{value} =~ s/(0b[0-1]+)/oct($1)/eig;
+ $self->{value} =~ s/0x([0-9a-f]+)/0$1h/ig if ($masm);
sprintf "%s",$self->{value};
}
}
if ($gas) {
# Solaris /usr/ccs/bin/as can't handle multiplications
- # in $self->{label}
- $self->{label} =~ s/(?<![0-9a-f])(0[x0-9a-f]+)/oct($1)/egi;
+ # 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($self->{index})) {
%szmap = ( b=>"BYTE$PTR", w=>"WORD$PTR", l=>"DWORD$PTR", q=>"QWORD$PTR" );
$self->{label} =~ s/\./\$/g;
- $self->{label} =~ s/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 ($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;
/\.align/ && do { $self->{value} = "ALIGN\t".$line; last; };
/\.(value|long|rva|quad)/
&& do { my $sz = substr($1,0,1);
- my @arr = split(',',$line);
+ my @arr = split(/,\s*/,$line);
my $last = pop(@arr);
my $conv = sub { my $var=shift;
- $var=~s/0x([0-9a-f]+)/0$1h/ig;
+ $var=~s/^(0b[0-1]+)/oct($1)/eig;
+ $var=~s/^0x([0-9a-f]+)/0$1h/ig if ($masm);
if ($sz eq "D" && ($current_segment=~/.[px]data/ || $dir eq ".rva"))
{ $var=~s/([_a-z\$\@][_a-z0-9\$\@]*)/$nasm?"$1 wrt ..imagebase":"imagerel $1"/egi; }
$var;
$self->{value} .= &$conv($last);
last;
};
- /\.byte/ && do { my @str=split(",",$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) {
$self->{value}.="DB\t"
.join(",",@str[0..15])."\n";
$insn = $opcode->out($#args>=1?$args[$#args]->size():$sz);
} else {
$insn = $opcode->out();
+ $insn .= $sz if (map($_->out() =~ /x?mm/,@args));
@args = reverse(@args);
undef $sz if ($nasm && $opcode->mnemonic() eq "lea");
}
- for (@args) { $_ = $_->out($sz); }
- printf "\t%s\t%s", $insn, join(",",@args);
+ printf "\t%s\t%s",$insn,join(",",map($_->out($sz),@args));
} else {
printf "\t%s",$opcode->out();
}
# CONTEXT.R14 232
# CONTEXT.R15 240
# CONTEXT.Rip 248
+# CONTEXT.Xmm6 512
# sizeof(CONTEXT) 1232
# DISPATCHER_CONTEXT.ControlPc 0
# DISPATCHER_CONTEXT.ImageBase 8