7 $::lbdecor="\$L"; # local label decoration
8 $nmdecor="_"; # external name decoration
14 { my ($opcode,@arg)=@_;
16 # fix hexadecimal constants
17 for (@arg) { s/(?<![\w\$\.])0x([0-9a-f]+)/0$1h/oi; }
19 if ($opcode =~ /lea/ && @arg[1] =~ s/.*PTR\s+(\(.*\))$/OFFSET $1/) # no []
21 elsif ($opcode !~ /movq/)
22 { # fix xmm references
23 $arg[0] =~ s/\b[A-Z]+WORD\s+PTR/XMMWORD PTR/i if ($arg[1]=~/\bxmm[0-7]\b/i);
24 $arg[1] =~ s/\b[A-Z]+WORD\s+PTR/XMMWORD PTR/i if ($arg[0]=~/\bxmm[0-7]\b/i);
27 &::emit($opcode,@arg);
31 # opcodes not covered by ::generic above, mostly inconsistent namings...
33 sub ::call { &::emit("call",(&::islabel($_[0]) or "$nmdecor$_[0]")); }
34 sub ::call_ptr { &::emit("call",@_); }
35 sub ::jmp_ptr { &::emit("jmp",@_); }
36 sub ::lock { &::data_byte(0xf0); }
39 { my($size,$addr,$reg1,$reg2,$idx)=@_;
42 $ret .= "$size PTR " if ($size ne "");
45 # prepend global references with optional underscore
46 $addr =~ s/^([^\+\-0-9][^\+\-]*)/&::islabel($1) or "$nmdecor$1"/ige;
47 # put address arithmetic expression in parenthesis
48 $addr="($addr)" if ($addr =~ /^.+[\-\+].+$/);
50 if (($addr ne "") && ($addr ne 0))
51 { if ($addr !~ /^-/) { $ret .= "$addr"; }
59 $ret .= "+$reg1" if ($reg1 ne "");
65 $ret =~ s/\+\]/]/; # in case $addr was the only argument
70 sub ::BP { &get_mem("BYTE",@_); }
71 sub ::WP { &get_mem("WORD",@_); }
72 sub ::DWP { &get_mem("DWORD",@_); }
73 sub ::QWP { &get_mem("QWORD",@_); }
81 ECHO MASM version 8.00 or later is strongly recommended.
87 .text\$ SEGMENT PAGE 'CODE'
89 .text\$ SEGMENT ALIGN(64) 'CODE'
96 sub ::function_begin_B
98 my $global=($func !~ /^_/);
99 my $begin="${::lbdecor}_${func}_begin";
101 &::LABEL($func,$global?"$begin":"$nmdecor$func");
102 $func="ALIGN\t16\n".$nmdecor.$func."\tPROC";
104 if ($global) { $func.=" PUBLIC\n${begin}::\n"; }
105 else { $func.=" PRIVATE\n"; }
112 push(@out,"$nmdecor$func ENDP\n");
118 { my $xmmheader=<<___;
127 if (grep {/\b[x]?mm[0-7]\b/i} @out) {
128 grep {s/\.[3-7]86/$xmmheader/} @out;
131 push(@out,"$segment ENDS\n");
133 if (grep {/\b${nmdecor}OPENSSL_ia32cap_P\b/i} @out)
136 COMM ${nmdecor}OPENSSL_ia32cap_P:QWORD
139 # comment out OPENSSL_ia32cap_P declarations
140 grep {s/(^EXTERN\s+${nmdecor}OPENSSL_ia32cap_P)/\;$1/} @out;
143 push (@out,$initseg) if ($initseg);
147 sub ::comment { foreach (@_) { push(@out,"\t; $_\n"); } }
150 { my $l=shift; push(@out,$l.($l=~/^\Q${::lbdecor}\E[0-9]{3}/?":\n":"::\n")); };
154 { push(@out, "EXTERN\t".&::LABEL($_,$nmdecor.$_).":NEAR\n"); }
158 { push(@out,"PUBLIC\t".&::LABEL($_[0],$nmdecor.$_[0])."\n"); }
161 { push(@out,("DB\t").join(',',@_)."\n"); }
164 { push(@out,("DW\t").join(',',@_)."\n"); }
167 { push(@out,("DD\t").join(',',@_)."\n"); }
170 { push(@out,"ALIGN\t$_[0]\n"); }
174 &::lea($dst,&::DWP($sym));
178 { my $f=$nmdecor.shift;
181 .CRT\$XCU SEGMENT DWORD PUBLIC 'DATA'
189 { push(@out,"$segment\tENDS\n_DATA\tSEGMENT\n"); $segment="_DATA"; }
193 push(@out,"IF \@Version GE 710\n");
194 push(@out,".SAFESEH ".&::LABEL($nm,$nmdecor.$nm)."\n");
195 push(@out,"ENDIF\n");