Upgrade chrome's OpenSSL to same version Android ships with.

openssl/crypto/perlasm/x86nasm.pl

-#!/usr/local/bin/perl
+#!/usr/bin/env perl
 
 package x86nasm;
 
-$label="L000";
-$under=($main'netware)?'':'_';
+*out=\@::out;
 
-%lb=(   'eax',  'al',
-        'ebx',  'bl',
-        'ecx',  'cl',
-        'edx',  'dl',
-        'ax',   'al',
-        'bx',   'bl',
-        'cx',   'cl',
-        'dx',   'dl',
-        );
+$::lbdecor="L\$";               # local label decoration
+$nmdecor=$::netware?"":"_";     # external name decoration
+$drdecor=$::mwerks?".":"";      # directive decoration
 
-%hb=(   'eax',  'ah',
-        'ebx',  'bh',
-        'ecx',  'ch',
-        'edx',  'dh',
-        'ax',   'ah',
-        'bx',   'bh',
-        'cx',   'ch',
-        'dx',   'dh',
-        );
+$initseg="";
 
-sub main'asm_init_output { @out=(); }
-sub main'asm_get_output { return(@out); }
-sub main'get_labels { return(@labels); }
+sub ::generic
+{ my $opcode=shift;
+  my $tmp;
 
-sub main'external_label
-{
-        push(@labels,@_);
-        foreach (@_) {
-                push(@out,".") if ($main'mwerks);
-                push(@out, "extern\t${under}$_\n");
-        }
+    if (!$::mwerks)
+    {   if    ($opcode =~ m/^j/o && $#_==0) # optimize jumps
+        {   $_[0] = "NEAR $_[0]";       }
+        elsif ($opcode eq "lea" && $#_==1)  # wipe storage qualifier from lea
+        {   $_[1] =~ s/^[^\[]*\[/\[/o;  }
+    }
+    &::emit($opcode,@_);
+  1;
+}
+#
+# opcodes not covered by ::generic above, mostly inconsistent namings...
+#
+sub ::call      { &::emit("call",(&::islabel($_[0]) or "$nmdecor$_[0]")); }
+sub ::call_ptr  { &::emit("call",@_);   }
+sub ::jmp_ptr   { &::emit("jmp",@_);    }
+
+sub get_mem
+{ my($size,$addr,$reg1,$reg2,$idx)=@_;
+  my($post,$ret);
+
+    if ($size ne "")
+    {   $ret .= "$size";
+        $ret .= " PTR" if ($::mwerks);
+        $ret .= " ";
+    }
+    $ret .= "[";
+
+    $addr =~ s/^\s+//;
+    # prepend global references with optional underscore
+    $addr =~ s/^([^\+\-0-9][^\+\-]*)/::islabel($1) or "$nmdecor$1"/ige;
+    # put address arithmetic expression in parenthesis
+    $addr="($addr)" if ($addr =~ /^.+[\-\+].+$/);
+
+    if (($addr ne "") && ($addr ne 0))
+    {   if ($addr !~ /^-/)      { $ret .= "$addr+"; }
+        else                    { $post=$addr;      }
+    }
+
+    if ($reg2 ne "")
+    {   $idx!=0 or $idx=1;
+        $ret .= "$reg2*$idx";
+        $ret .= "+$reg1" if ($reg1 ne "");
+    }
+    else
+    {   $ret .= "$reg1";   }
+
+    $ret .= "$post]";
+    $ret =~ s/\+\]/]/; # in case $addr was the only argument
+
+  $ret;
+}
+sub ::BP        { &get_mem("BYTE",@_);  }
+sub ::DWP       { &get_mem("DWORD",@_); }
+sub ::QWP       { &get_mem("",@_);      }
+sub ::BC        { (($::mwerks)?"":"BYTE ")."@_";  }
+sub ::DWC       { (($::mwerks)?"":"DWORD ")."@_"; }
+
+sub ::file
+{   if ($::mwerks)      { push(@out,".section\t.text,64\n"); }
+    else
+    { my $tmp=<<___;
+%ifidn __OUTPUT_FORMAT__,obj
+section code    use32 class=code align=64
+%elifidn __OUTPUT_FORMAT__,win32
+\$\@feat.00 equ 1
+section .text   code align=64
+%else
+section .text   code
+%endif
+___
+        push(@out,$tmp);
+    }
 }
 
-sub main'LB
-        {
-        (defined($lb{$_[0]})) || die "$_[0] does not have a 'low byte'\n";
-        return($lb{$_[0]});
-        }
+sub ::function_begin_B
+{ my $func=shift;
+  my $global=($func !~ /^_/);
+  my $begin="${::lbdecor}_${func}_begin";
 
-sub main'HB
-        {
-        (defined($hb{$_[0]})) || die "$_[0] does not have a 'high byte'\n";
-        return($hb{$_[0]});
-        }
+    $begin =~ s/^\@/./ if ($::mwerks);  # the torture never stops
 
-sub main'BP
-        {
-        &get_mem("BYTE",@_);
-        }
+    &::LABEL($func,$global?"$begin":"$nmdecor$func");
+    $func=$nmdecor.$func;
 
-sub main'DWP
-        {
-        &get_mem("DWORD",@_);
-        }
+    push(@out,"${drdecor}global $func\n")       if ($global);
+    push(@out,"${drdecor}align  16\n");
+    push(@out,"$func:\n");
+    push(@out,"$begin:\n")                      if ($global);
+    $::stack=4;
+}
 
-sub main'QWP
-        {
-        &get_mem("",@_);
-        }
+sub ::function_end_B
+{   $::stack=0;
+    &::wipe_labels();
+}
 
-sub main'BC
-        {
-        return (($main'mwerks)?"":"BYTE ")."@_";
-        }
+sub ::file_end
+{   if (grep {/\b${nmdecor}OPENSSL_ia32cap_P\b/i} @out)
+    {   my $comm=<<___;
+${drdecor}segment       .bss
+${drdecor}common        ${nmdecor}OPENSSL_ia32cap_P 4
+___
+        # comment out OPENSSL_ia32cap_P declarations
+        grep {s/(^extern\s+${nmdecor}OPENSSL_ia32cap_P)/\;$1/} @out;
+        push (@out,$comm)
+    }
+    push (@out,$initseg) if ($initseg);         
+}
 
-sub main'DWC
-        {
-        return (($main'mwerks)?"":"DWORD ")."@_";
-        }
+sub ::comment {   foreach (@_) { push(@out,"\t; $_\n"); }   }
 
-sub main'stack_push
-        {
-        my($num)=@_;
-        $stack+=$num*4;
-        &main'sub("esp",$num*4);
-        }
+sub ::external_label
+{   foreach(@_)
+    {   push(@out,"${drdecor}extern\t".&::LABEL($_,$nmdecor.$_)."\n");   }
+}
 
-sub main'stack_pop
-        {
-        my($num)=@_;
-        $stack-=$num*4;
-        &main'add("esp",$num*4);
-        }
+sub ::public_label
+{   push(@out,"${drdecor}global\t".&::LABEL($_[0],$nmdecor.$_[0])."\n");  }
 
-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$addr";
-                }
+sub ::data_byte
+{   push(@out,(($::mwerks)?".byte\t":"db\t").join(',',@_)."\n");        }
 
-        if ($addr =~ /^.+\-.+$/) { $addr="($addr)"; }
+sub ::data_word
+{   push(@out,(($::mwerks)?".long\t":"dd\t").join(',',@_)."\n");        }
 
-        $reg1="$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 ::align
+{   push(@out,"${drdecor}align\t$_[0]\n");      }
 
-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'imul   { &out2("imul",@_); }
-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 ::picmeup
+{ my($dst,$sym)=@_;
+    &::lea($dst,&::DWP($sym));
+}
 
-# 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 ::initseg
+{ my $f=$nmdecor.shift;
+    if ($::win32)
+    {   $initseg=<<___;
+segment .CRT\$XCU data align=4
+extern  $f
+dd      $f
+___
+    }
+}
 
-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,$func);
-        push(@out,".") if ($main'mwerks);
-        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,$extra)=@_;
-        push(@out,".") if ($main'mwerks);
-        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,".") if ($main'mwerks);
-        push(@out,"global\t$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,$tmp);
-                }
-        }
+sub ::dataseg
+{   if ($mwerks)        { push(@out,".section\t.data,4\n");   }
+    else                { push(@out,"section\t.data align=4\n"); }
+}
 
 1;