mirror of
https://github.com/openssl/openssl.git
synced 2024-12-09 05:51:54 +08:00
452 lines
7.6 KiB
Perl
452 lines
7.6 KiB
Perl
#!/usr/local/bin/perl
|
|
|
|
package x86nasm;
|
|
|
|
$label="L000";
|
|
$under=($main'netware)?'':'_';
|
|
|
|
%lb=( 'eax', 'al',
|
|
'ebx', 'bl',
|
|
'ecx', 'cl',
|
|
'edx', 'dl',
|
|
'ax', 'al',
|
|
'bx', 'bl',
|
|
'cx', 'cl',
|
|
'dx', 'dl',
|
|
);
|
|
|
|
%hb=( 'eax', 'ah',
|
|
'ebx', 'bh',
|
|
'ecx', 'ch',
|
|
'edx', 'dh',
|
|
'ax', 'ah',
|
|
'bx', 'bh',
|
|
'cx', 'ch',
|
|
'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,@_);
|
|
foreach (@_) {
|
|
push(@out,".") if ($main'mwerks);
|
|
push(@out, "extern\t${under}$_\n");
|
|
}
|
|
}
|
|
|
|
sub main'LB
|
|
{
|
|
(defined($lb{$_[0]})) || die "$_[0] does not have a 'low byte'\n";
|
|
return($lb{$_[0]});
|
|
}
|
|
|
|
sub main'HB
|
|
{
|
|
(defined($hb{$_[0]})) || die "$_[0] does not have a 'high byte'\n";
|
|
return($hb{$_[0]});
|
|
}
|
|
|
|
sub main'BP
|
|
{
|
|
&get_mem("BYTE",@_);
|
|
}
|
|
|
|
sub main'DWP
|
|
{
|
|
&get_mem("DWORD",@_);
|
|
}
|
|
|
|
sub main'QWP
|
|
{
|
|
&get_mem("",@_);
|
|
}
|
|
|
|
sub main'BC
|
|
{
|
|
return (($main'mwerks)?"":"BYTE ")."@_";
|
|
}
|
|
|
|
sub main'DWC
|
|
{
|
|
return (($main'mwerks)?"":"DWORD ")."@_";
|
|
}
|
|
|
|
sub main'stack_push
|
|
{
|
|
my($num)=@_;
|
|
$stack+=$num*4;
|
|
&main'sub("esp",$num*4);
|
|
}
|
|
|
|
sub main'stack_pop
|
|
{
|
|
my($num)=@_;
|
|
$stack-=$num*4;
|
|
&main'add("esp",$num*4);
|
|
}
|
|
|
|
sub get_mem
|
|
{
|
|
my($size,$addr,$reg1,$reg2,$idx)=@_;
|
|
my($t,$post);
|
|
my($ret)=$size;
|
|
if ($ret ne "")
|
|
{
|
|
$ret .= " PTR" if ($main'mwerks);
|
|
$ret .= " ";
|
|
}
|
|
$ret .= "[";
|
|
$addr =~ s/^\s+//;
|
|
if ($addr =~ /^(.+)\+(.+)$/)
|
|
{
|
|
$reg2=&conv($1);
|
|
$addr="$under$2";
|
|
}
|
|
elsif ($addr =~ /^[_a-z][_a-z0-9]*$/i)
|
|
{
|
|
$addr="$under$addr";
|
|
}
|
|
|
|
if ($addr =~ /^.+\-.+$/) { $addr="($addr)"; }
|
|
|
|
$reg1="$regs{$reg1}" if defined($regs{$reg1});
|
|
$reg2="$regs{$reg2}" if defined($regs{$reg2});
|
|
if (($addr ne "") && ($addr ne 0))
|
|
{
|
|
if ($addr !~ /^-/)
|
|
{ $ret.="${addr}+"; }
|
|
else { $post=$addr; }
|
|
}
|
|
if ($reg2 ne "")
|
|
{
|
|
$t="";
|
|
$t="*$idx" if ($idx != 0);
|
|
$reg1="+".$reg1 if ("$reg1$post" ne "");
|
|
$ret.="$reg2$t$reg1$post]";
|
|
}
|
|
else
|
|
{
|
|
$ret.="$reg1$post]"
|
|
}
|
|
$ret =~ s/\+\]/]/; # in case $addr was the only argument
|
|
return($ret);
|
|
}
|
|
|
|
sub main'mov { &out2("mov",@_); }
|
|
sub main'movb { &out2("mov",@_); }
|
|
sub main'and { &out2("and",@_); }
|
|
sub main'or { &out2("or",@_); }
|
|
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'sbb { &out2("sbb",@_); }
|
|
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",@_); }
|
|
|
|
# This is a bit of a kludge: declare all branches as NEAR.
|
|
$near=($main'mwerks)?'':'NEAR';
|
|
sub main'je { &out1("je $near",@_); }
|
|
sub main'jle { &out1("jle $near",@_); }
|
|
sub main'jz { &out1("jz $near",@_); }
|
|
sub main'jge { &out1("jge $near",@_); }
|
|
sub main'jl { &out1("jl $near",@_); }
|
|
sub main'ja { &out1("ja $near",@_); }
|
|
sub main'jae { &out1("jae $near",@_); }
|
|
sub main'jb { &out1("jb $near",@_); }
|
|
sub main'jbe { &out1("jbe $near",@_); }
|
|
sub main'jc { &out1("jc $near",@_); }
|
|
sub main'jnc { &out1("jnc $near",@_); }
|
|
sub main'jnz { &out1("jnz $near",@_); }
|
|
sub main'jne { &out1("jne $near",@_); }
|
|
sub main'jno { &out1("jno $near",@_); }
|
|
|
|
sub main'push { &out1("push",@_); $stack+=4; }
|
|
sub main'pop { &out1("pop",@_); $stack-=4; }
|
|
sub main'pushf { &out0("pushfd"); $stack+=4; }
|
|
sub main'popf { &out0("popfd"); $stack-=4; }
|
|
sub main'bswap { &out1("bswap",@_); &using486(); }
|
|
sub main'not { &out1("not",@_); }
|
|
sub main'call { &out1("call",($_[0]=~/^\@L/?'':$under).$_[0]); }
|
|
sub main'call_ptr { &out1p("call",@_); }
|
|
sub main'ret { &out0("ret"); }
|
|
sub main'nop { &out0("nop"); }
|
|
sub main'test { &out2("test",@_); }
|
|
sub main'bt { &out2("bt",@_); }
|
|
sub main'leave { &out0("leave"); }
|
|
sub main'cpuid { &out0("cpuid"); }
|
|
sub main'rdtsc { &out0("rdtsc"); }
|
|
sub main'halt { &out0("hlt"); }
|
|
sub main'movz { &out2("movzx",@_); }
|
|
sub main'neg { &out1("neg",@_); }
|
|
sub main'cld { &out0("cld"); }
|
|
|
|
# SSE2
|
|
sub main'emms { &out0("emms"); }
|
|
sub main'movd { &out2("movd",@_); }
|
|
sub main'movq { &out2("movq",@_); }
|
|
sub main'movdqu { &out2("movdqu",@_); }
|
|
sub main'movdqa { &out2("movdqa",@_); }
|
|
sub main'movdq2q{ &out2("movdq2q",@_); }
|
|
sub main'movq2dq{ &out2("movq2dq",@_); }
|
|
sub main'paddq { &out2("paddq",@_); }
|
|
sub main'pmuludq{ &out2("pmuludq",@_); }
|
|
sub main'psrlq { &out2("psrlq",@_); }
|
|
sub main'psllq { &out2("psllq",@_); }
|
|
sub main'pxor { &out2("pxor",@_); }
|
|
sub main'por { &out2("por",@_); }
|
|
sub main'pand { &out2("pand",@_); }
|
|
|
|
sub out2
|
|
{
|
|
my($name,$p1,$p2)=@_;
|
|
my($l,$t);
|
|
|
|
push(@out,"\t$name\t");
|
|
if (!$main'mwerks and $name eq "lea")
|
|
{
|
|
$p1 =~ s/^[^\[]*\[/\[/;
|
|
$p2 =~ s/^[^\[]*\[/\[/;
|
|
}
|
|
$t=&conv($p1).",";
|
|
$l=length($t);
|
|
push(@out,$t);
|
|
$l=4-($l+9)/8;
|
|
push(@out,"\t" x $l);
|
|
push(@out,&conv($p2));
|
|
push(@out,"\n");
|
|
}
|
|
|
|
sub out0
|
|
{
|
|
my($name)=@_;
|
|
|
|
push(@out,"\t$name\n");
|
|
}
|
|
|
|
sub out1
|
|
{
|
|
my($name,$p1)=@_;
|
|
my($l,$t);
|
|
push(@out,"\t$name\t".&conv($p1)."\n");
|
|
}
|
|
|
|
sub conv
|
|
{
|
|
my($p)=@_;
|
|
$p =~ s/0x([0-9A-Fa-f]+)/0$1h/;
|
|
return $p;
|
|
}
|
|
|
|
sub using486
|
|
{
|
|
return if $using486;
|
|
$using486++;
|
|
grep(s/\.386/\.486/,@out);
|
|
}
|
|
|
|
sub main'file
|
|
{
|
|
if ($main'mwerks) { push(@out,".section\t.text\n"); }
|
|
else {
|
|
local $tmp=<<___;
|
|
%ifdef __omf__
|
|
section code use32 class=code
|
|
%else
|
|
section .text
|
|
%endif
|
|
___
|
|
push(@out,$tmp);
|
|
}
|
|
}
|
|
|
|
sub main'function_begin
|
|
{
|
|
my($func,$extra)=@_;
|
|
|
|
push(@labels,$func);
|
|
my($tmp)=<<"EOF";
|
|
global $under$func
|
|
$under$func:
|
|
push ebp
|
|
push ebx
|
|
push esi
|
|
push edi
|
|
EOF
|
|
push(@out,$tmp);
|
|
$stack=20;
|
|
}
|
|
|
|
sub main'function_begin_B
|
|
{
|
|
my($func,$extra)=@_;
|
|
my($tmp)=<<"EOF";
|
|
global $under$func
|
|
$under$func:
|
|
EOF
|
|
push(@out,$tmp);
|
|
$stack=4;
|
|
}
|
|
|
|
sub main'function_end
|
|
{
|
|
my($func)=@_;
|
|
|
|
my($tmp)=<<"EOF";
|
|
pop edi
|
|
pop esi
|
|
pop ebx
|
|
pop ebp
|
|
ret
|
|
EOF
|
|
push(@out,$tmp);
|
|
$stack=0;
|
|
%label=();
|
|
}
|
|
|
|
sub main'function_end_B
|
|
{
|
|
$stack=0;
|
|
%label=();
|
|
}
|
|
|
|
sub main'function_end_A
|
|
{
|
|
my($func)=@_;
|
|
|
|
my($tmp)=<<"EOF";
|
|
pop edi
|
|
pop esi
|
|
pop ebx
|
|
pop ebp
|
|
ret
|
|
EOF
|
|
push(@out,$tmp);
|
|
}
|
|
|
|
sub main'file_end
|
|
{
|
|
}
|
|
|
|
sub main'wparam
|
|
{
|
|
my($num)=@_;
|
|
|
|
return(&main'DWP($stack+$num*4,"esp","",0));
|
|
}
|
|
|
|
sub main'swtmp
|
|
{
|
|
return(&main'DWP($_[0]*4,"esp","",0));
|
|
}
|
|
|
|
# Should use swtmp, which is above esp. Linix can trash the stack above esp
|
|
#sub main'wtmp
|
|
# {
|
|
# my($num)=@_;
|
|
#
|
|
# return(&main'DWP(-(($num+1)*4),"esp","",0));
|
|
# }
|
|
|
|
sub main'comment
|
|
{
|
|
foreach (@_)
|
|
{
|
|
push(@out,"\t; $_\n");
|
|
}
|
|
}
|
|
|
|
sub main'public_label
|
|
{
|
|
$label{$_[0]}="${under}${_[0]}" if (!defined($label{$_[0]}));
|
|
push(@out,"global\t$label{$_[0]}\n");
|
|
}
|
|
|
|
sub main'label
|
|
{
|
|
if (!defined($label{$_[0]}))
|
|
{
|
|
$label{$_[0]}="\@${label}${_[0]}";
|
|
$label++;
|
|
}
|
|
return($label{$_[0]});
|
|
}
|
|
|
|
sub main'set_label
|
|
{
|
|
if (!defined($label{$_[0]}))
|
|
{
|
|
$label{$_[0]}="\@${label}${_[0]}";
|
|
$label++;
|
|
}
|
|
if ($_[1]!=0 && $_[1]>1)
|
|
{
|
|
main'align($_[1]);
|
|
}
|
|
push(@out,"$label{$_[0]}:\n");
|
|
}
|
|
|
|
sub main'data_byte
|
|
{
|
|
push(@out,(($main'mwerks)?".byte\t":"DB\t").join(',',@_)."\n");
|
|
}
|
|
|
|
sub main'data_word
|
|
{
|
|
push(@out,(($main'mwerks)?".long\t":"DD\t").join(',',@_)."\n");
|
|
}
|
|
|
|
sub main'align
|
|
{
|
|
push(@out,".") if ($main'mwerks);
|
|
push(@out,"align\t$_[0]\n");
|
|
}
|
|
|
|
sub out1p
|
|
{
|
|
my($name,$p1)=@_;
|
|
my($l,$t);
|
|
|
|
push(@out,"\t$name\t".&conv($p1)."\n");
|
|
}
|
|
|
|
sub main'picmeup
|
|
{
|
|
local($dst,$sym)=@_;
|
|
&main'lea($dst,&main'DWP($sym));
|
|
}
|
|
|
|
sub main'blindpop { &out1("pop",@_); }
|
|
|
|
sub main'initseg
|
|
{
|
|
local($f)=@_;
|
|
if ($main'win32)
|
|
{
|
|
local($tmp)=<<___;
|
|
segment .CRT\$XCU data
|
|
extern $under$f
|
|
DD $under$f
|
|
___
|
|
push(@out,$tmp);
|
|
}
|
|
}
|
|
|
|
1;
|