27 sub main'asm_init_output { @out=(); }
28 sub main'asm_get_output { return(@out); }
29 sub main'get_labels { return(@labels); }
31 sub main'external_label
35 push(@out, "extern\t_$_\n");
41 (defined($lb{$_[0]})) || die "$_[0] does not have a 'low byte'\n";
47 (defined($hb{$_[0]})) || die "$_[0] does not have a 'high byte'\n";
75 &main'sub("esp",$num*4);
82 &main'add("esp",$num*4);
87 my($size,$addr,$reg1,$reg2,$idx)=@_;
91 if ($addr =~ /^(.+)\+(.+)$/)
96 elsif ($addr =~ /^[_a-zA-Z]/)
101 $reg1="$regs{$reg1}" if defined($regs{$reg1});
102 $reg2="$regs{$reg2}" if defined($regs{$reg2});
103 if (($addr ne "") && ($addr ne 0))
106 { $ret.="${addr}+"; }
107 else { $post=$addr; }
112 $t="*$idx" if ($idx != 0);
113 $reg1="+".$reg1 if ("$reg1$post" ne "");
114 $ret.="$reg2$t$reg1$post]";
123 sub main'mov { &out2("mov",@_); }
124 sub main'movb { &out2("mov",@_); }
125 sub main'and { &out2("and",@_); }
126 sub main'or { &out2("or",@_); }
127 sub main'shl { &out2("shl",@_); }
128 sub main'shr { &out2("shr",@_); }
129 sub main'xor { &out2("xor",@_); }
130 sub main'xorb { &out2("xor",@_); }
131 sub main'add { &out2("add",@_); }
132 sub main'adc { &out2("adc",@_); }
133 sub main'sub { &out2("sub",@_); }
134 sub main'rotl { &out2("rol",@_); }
135 sub main'rotr { &out2("ror",@_); }
136 sub main'exch { &out2("xchg",@_); }
137 sub main'cmp { &out2("cmp",@_); }
138 sub main'lea { &out2("lea",@_); }
139 sub main'mul { &out1("mul",@_); }
140 sub main'div { &out1("div",@_); }
141 sub main'dec { &out1("dec",@_); }
142 sub main'inc { &out1("inc",@_); }
143 sub main'jmp { &out1("jmp",@_); }
144 sub main'jmp_ptr { &out1p("jmp",@_); }
146 # This is a bit of a kludge: declare all branches as NEAR.
147 sub main'je { &out1("je NEAR",@_); }
148 sub main'jle { &out1("jle NEAR",@_); }
149 sub main'jz { &out1("jz NEAR",@_); }
150 sub main'jge { &out1("jge NEAR",@_); }
151 sub main'jl { &out1("jl NEAR",@_); }
152 sub main'jb { &out1("jb NEAR",@_); }
153 sub main'jc { &out1("jc NEAR",@_); }
154 sub main'jnc { &out1("jnc NEAR",@_); }
155 sub main'jnz { &out1("jnz NEAR",@_); }
156 sub main'jne { &out1("jne NEAR",@_); }
157 sub main'jno { &out1("jno NEAR",@_); }
159 sub main'push { &out1("push",@_); $stack+=4; }
160 sub main'pop { &out1("pop",@_); $stack-=4; }
161 sub main'bswap { &out1("bswap",@_); &using486(); }
162 sub main'not { &out1("not",@_); }
163 sub main'call { &out1("call",'_'.$_[0]); }
164 sub main'ret { &out0("ret"); }
165 sub main'nop { &out0("nop"); }
169 my($name,$p1,$p2)=@_;
172 push(@out,"\t$name\t");
177 push(@out,"\t" x $l);
178 push(@out,&conv($p2));
186 push(@out,"\t$name\n");
193 push(@out,"\t$name\t".&conv($p1)."\n");
199 $p =~ s/0x([0-9A-Fa-f]+)/0$1h/;
207 grep(s/\.386/\.486/,@out);
212 push(@out, "segment .text use32\n");
215 sub main'function_begin
232 sub main'function_begin_B
243 sub main'function_end
259 sub main'function_end_B
265 sub main'function_end_A
287 return(&main'DWP($stack+$num*4,"esp","",0));
292 return(&main'DWP($_[0]*4,"esp","",0));
295 # Should use swtmp, which is above esp. Linix can trash the stack above esp
300 # return(&main'DWP(-(($num+1)*4),"esp","",0));
307 push(@out,"\t; $_\n");
313 if (!defined($label{$_[0]}))
315 $label{$_[0]}="\$${label}${_[0]}";
318 return($label{$_[0]});
323 if (!defined($label{$_[0]}))
325 $label{$_[0]}="${label}${_[0]}";
328 push(@out,"$label{$_[0]}:\n");
333 push(@out,"\tDD\t$_[0]\n");
341 push(@out,"\t$name\t ".&conv($p1)."\n");