7 $align=($main'aout)?"4":"16";
8 $under=($main'aout)?"_":"";
9 $com_start=($main'sol)?"/":"#";
39 %regs=( 'eax', '%eax',
51 (defined($lb{$_[0]})) || die "$_[0] does not have a 'low byte'\n";
57 (defined($hb{$_[0]})) || die "$_[0] does not have a 'high byte'\n";
63 local($addr,$reg1,$reg2,$idx)=@_;
68 $addr =~ s/(^|[+ \t])([A-Za-z_]+)($|[+ \t])/$1$under$2$3/;
70 $reg1="$regs{$reg1}" if defined($regs{$reg1});
71 $reg2="$regs{$reg2}" if defined($regs{$reg2});
72 $ret.=$addr if ($addr ne "") && ($addr ne 0);
75 $ret.="($reg1,$reg2,$idx)";
84 sub main'mov { &out2("movl",@_); }
85 sub main'movb { &out2("movb",@_); }
86 sub main'and { &out2("andl",@_); }
87 sub main'or { &out2("orl",@_); }
88 sub main'shl { &out2("shll",@_); }
89 sub main'shr { &out2("shrl",@_); }
90 sub main'xor { &out2("xorl",@_); }
91 sub main'add { &out2("addl",@_); }
92 sub main'sub { &out2("subl",@_); }
93 sub main'rotl { &out2("roll",@_); }
94 sub main'rotr { &out2("rorl",@_); }
95 sub main'exch { &out2("xchg",@_); }
96 sub main'cmp { &out2("cmpl",@_); }
97 sub main'jmp { &out1("jmp",@_); }
98 sub main'je { &out1("je",@_); }
99 sub main'jne { &out1("jne",@_); }
100 sub main'jnz { &out1("jnz",@_); }
101 sub main'dec { &out1("decl",@_); }
102 sub main'push { &out1("pushl",@_); }
103 sub main'call { &out1("call",$under.$_[0]); }
108 local($name,$p1,$p2)=@_;
135 # $p =~ s/0x([0-9A-Fa-f]+)/0$1h/;
137 $p=$regs{$p} if (defined($regs{$p}));
139 $p =~ s/^([0-9A-Fa-f]+)$/\$$1/;
140 $p =~ s/^(0x[0-9A-Fa-f]+)$/\$$1/;
155 sub main'function_begin
157 local($func,$num)=@_;
169 { printf("\tTYPE($func,\@function)\n"); }
170 else { printf("\t.type $func,\@function\n"); }
182 sub main'function_end
197 { printf("\tSIZE($func,.${func}_end-$func)\n"); }
198 else { printf("\t.size\t$func,.${func}_end-$func\n"); }
199 print ".ident \"desasm.pl\"\n";
209 return(&main'DWP($stack+$num*4,"esp","",0));
216 return(&main'DWP(-($num+1)*4,"esp","",0));
226 { print "\t$com_start $_ $com_end\n"; }
232 if (!defined($label{$_[0]}))
234 $label{$_[0]}=".${label}${_[0]}";
237 return($label{$_[0]});
242 if (!defined($label{$_[0]}))
244 $label{$_[0]}=".${label}${_[0]}";
247 print ".align $align\n";
248 print "$label{$_[0]}:\n";