'dx', 'dh',
);
+sub main'asm_init_output { @out=(); }
+sub main'asm_get_output { return(@out); }
+sub main'get_labels { return(@labels); }
+sub main'external_label { push(@labels,@_); }
+
sub main'LB
{
(defined($lb{$_[0]})) || die "$_[0] does not have a 'low byte'\n";
return($hb{$_[0]});
}
+sub main'BP
+ {
+ &get_mem("BYTE",@_);
+ }
+
sub main'DWP
{
- local($addr,$reg1,$reg2,$idx)=@_;
- local($t);
- local($ret)="DWORD PTR ";
+ &get_mem("DWORD",@_);
+ }
+
+sub main'stack_push
+ {
+ local($num)=@_;
+ $stack+=$num*4;
+ &main'sub("esp",$num*4);
+ }
+
+sub main'stack_pop
+ {
+ local($num)=@_;
+ $stack-=$num*4;
+ &main'add("esp",$num*4);
+ }
+
+sub get_mem
+ {
+ local($size,$addr,$reg1,$reg2,$idx)=@_;
+ local($t,$post);
+ local($ret)="$size PTR ";
$addr =~ s/^\s+//;
if ($addr =~ /^(.+)\+(.+)$/)
$reg1="$regs{$reg1}" if defined($regs{$reg1});
$reg2="$regs{$reg2}" if defined($regs{$reg2});
- $ret.=$addr if ($addr ne "") && ($addr ne 0);
+ if (($addr ne "") && ($addr ne 0))
+ {
+ if ($addr !~ /^-/)
+ { $ret.=$addr; }
+ else { $post=$addr; }
+ }
if ($reg2 ne "")
{
$t="";
$t="*$idx" if ($idx != 0);
- $ret.="[$reg2$t+$reg1]";
+ $reg1="+".$reg1 if ("$reg1$post" ne "");
+ $ret.="[$reg2$t$reg1$post]";
}
else
{
- $ret.="[$reg1]"
+ $ret.="[$reg1$post]"
}
return($ret);
}
sub main'shl { &out2("shl",@_); }
sub main'shr { &out2("shr",@_); }
sub main'xor { &out2("xor",@_); }
+sub main'xorb { &out2("xor",@_); }
sub main'add { &out2("add",@_); }
+sub main'adc { &out2("adc",@_); }
sub main'sub { &out2("sub",@_); }
sub main'rotl { &out2("rol",@_); }
sub main'rotr { &out2("ror",@_); }
sub main'exch { &out2("xchg",@_); }
sub main'cmp { &out2("cmp",@_); }
+sub main'lea { &out2("lea",@_); }
+sub main'mul { &out1("mul",@_); }
+sub main'div { &out1("div",@_); }
sub main'dec { &out1("dec",@_); }
+sub main'inc { &out1("inc",@_); }
sub main'jmp { &out1("jmp",@_); }
+sub main'jmp_ptr { &out1p("jmp",@_); }
sub main'je { &out1("je",@_); }
+sub main'jle { &out1("jle",@_); }
sub main'jz { &out1("jz",@_); }
+sub main'jge { &out1("jge",@_); }
+sub main'jl { &out1("jl",@_); }
+sub main'jb { &out1("jb",@_); }
+sub main'jc { &out1("jc",@_); }
+sub main'jnc { &out1("jnc",@_); }
sub main'jnz { &out1("jnz",@_); }
-sub main'push { &out1("push",@_); }
+sub main'jne { &out1("jne",@_); }
+sub main'jno { &out1("jno",@_); }
+sub main'push { &out1("push",@_); $stack+=4; }
+sub main'pop { &out1("pop",@_); $stack-=4; }
+sub main'bswap { &out1("bswap",@_); &using486(); }
+sub main'not { &out1("not",@_); }
sub main'call { &out1("call",'_'.$_[0]); }
-
+sub main'ret { &out0("ret"); }
+sub main'nop { &out0("nop"); }
sub out2
{
local($name,$p1,$p2)=@_;
local($l,$t);
- print "\t$name\t";
+ push(@out,"\t$name\t");
$t=&conv($p1).",";
$l=length($t);
- print $t;
+ push(@out,$t);
$l=4-($l+9)/8;
- print "\t" x $l;
- print &conv($p2);
- print "\n";
+ push(@out,"\t" x $l);
+ push(@out,&conv($p2));
+ push(@out,"\n");
+ }
+
+sub out0
+ {
+ local($name)=@_;
+
+ push(@out,"\t$name\n");
}
sub out1
local($name,$p1)=@_;
local($l,$t);
- print "\t$name\t";
- print &conv($p1);
- print "\n";
+ push(@out,"\t$name\t".&conv($p1)."\n");
}
sub conv
return $p;
}
+sub using486
+ {
+ return if $using486;
+ $using486++;
+ grep(s/\.386/\.486/,@out);
+ }
+
sub main'file
{
local($file)=@_;
- print <<"EOF";
+ local($tmp)=<<"EOF";
TITLE $file.asm
.386
.model FLAT
EOF
+ push(@out,$tmp);
}
sub main'function_begin
{
- local($func,$num,$extra)=@_;
+ local($func,$extra)=@_;
- $params=$num*4;
+ push(@labels,$func);
- print <<"EOF";
+ local($tmp)=<<"EOF";
_TEXT SEGMENT
PUBLIC _$func
$extra
push esi
push edi
EOF
+ push(@out,$tmp);
$stack=20;
}
+sub main'function_begin_B
+ {
+ local($func,$extra)=@_;
+
+ local($tmp)=<<"EOF";
+_TEXT SEGMENT
+PUBLIC _$func
+$extra
+_$func PROC NEAR
+EOF
+ push(@out,$tmp);
+ $stack=4;
+ }
+
sub main'function_end
{
local($func)=@_;
- print <<"EOF";
+ local($tmp)=<<"EOF";
pop edi
pop esi
pop ebx
_$func ENDP
_TEXT ENDS
EOF
+ push(@out,$tmp);
$stack=0;
%label=();
}
-sub main'function_end_A
+sub main'function_end_B
{
local($func)=@_;
- print <<"EOF";
- pop edi
- pop esi
- pop ebx
- pop ebp
- ret
+ local($tmp)=<<"EOF";
+_$func ENDP
+_TEXT ENDS
EOF
+ push(@out,$tmp);
+ $stack=0;
+ %label=();
}
-sub main'function_end_B
+sub main'function_end_A
{
local($func)=@_;
- print <<"EOF";
-_$func ENDP
-_TEXT ENDS
+ local($tmp)=<<"EOF";
+ pop edi
+ pop esi
+ pop ebx
+ pop ebp
+ ret
EOF
- $stack=0;
- %label=();
+ push(@out,$tmp);
}
sub main'file_end
{
- print "END\n"
+ push(@out,"END\n");
}
sub main'wparam
return(&main'DWP($stack+$num*4,"esp","",0));
}
-sub main'wtmp
+sub main'swtmp
{
- local($num)=@_;
-
- return(&main'DWP($stack+$params+$num*4,"esp","",0));
+ return(&main'DWP($_[0]*4,"esp","",0));
}
+# Should use swtmp, which is above esp. Linix can trash the stack above esp
+#sub main'wtmp
+# {
+# local($num)=@_;
+#
+# return(&main'DWP(-(($num+1)*4),"esp","",0));
+# }
+
sub main'comment
{
foreach (@_)
{
- print "\t; $_\n";
+ push(@out,"\t; $_\n");
}
}
$label{$_[0]}="${label}${_[0]}";
$label++;
}
- print "$label{$_[0]}:\n";
+ push(@out,"$label{$_[0]}:\n");
}
-sub main'file_end
- {
- print "END\n";
- }
+sub main'data_word
+ {
+ push(@out,"\tDD\t$_[0]\n");
+ }
+
+sub out1p
+ {
+ local($name,$p1)=@_;
+ local($l,$t);
+
+ push(@out,"\t$name\t ".&conv($p1)."\n");
+ }
projects / openssl.git / blobdiff