$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
push(@INC,"${dir}","${dir}../../perlasm");
require "x86asm.pl";
&asm_init($ARGV[0],"sha1-586.pl",$ARGV[$
$A="eax";
$B="ebx";
$C="ecx";
$D="edx";
$E="edi";
$T="esi";
$tmp1="ebp";
@V=($A,$B,$C,$D,$E,$T);
sub BODY_00_15
{
local($n,$a,$b,$c,$d,$e,$f)=@_;
&comment("00_15 $n");
&mov($f,$c); if ($n==0) { &mov($tmp1,$a); }
else { &mov($a,$tmp1); }
&rotl($tmp1,5); &xor($f,$d);
&add($tmp1,$e); &and($f,$b);
&mov($e,&swtmp($n%16)); &xor($f,$d); &rotr($b,2); &lea($tmp1,&DWP(0x5a827999,$tmp1,$e));
if ($n==15) { &add($f,$tmp1); } else { &add($tmp1,$f); } }
sub BODY_16_19
{
local($n,$a,$b,$c,$d,$e,$f)=@_;
&comment("16_19 $n");
&mov($f,&swtmp($n%16)); &mov($tmp1,$c); &xor($f,&swtmp(($n+2)%16));
&xor($tmp1,$d);
&xor($f,&swtmp(($n+8)%16));
&and($tmp1,$b); &rotr($b,2); &xor($f,&swtmp(($n+13)%16)); &rotl($f,1); &xor($tmp1,$d); &mov(&swtmp($n%16),$f); &lea($f,&DWP(0x5a827999,$f,$e)); &mov($e,$a); &rotl($e,5); &add($f,$tmp1); &add($f,$e); }
sub BODY_20_39
{
local($n,$a,$b,$c,$d,$e,$f)=@_;
local $K=($n<40)?0x6ed9eba1:0xca62c1d6;
&comment("20_39 $n");
&mov($tmp1,$b); &mov($f,&swtmp($n%16)); &rotr($b,2); &xor($f,&swtmp(($n+2)%16));
&xor($tmp1,$c);
&xor($f,&swtmp(($n+8)%16));
&xor($tmp1,$d); &xor($f,&swtmp(($n+13)%16)); &rotl($f,1); &add($tmp1,$e);
&mov(&swtmp($n%16),$f); &mov($e,$a); &rotl($e,5); &lea($f,&DWP($K,$f,$tmp1)); &add($f,$e); }
sub BODY_40_59
{
local($n,$a,$b,$c,$d,$e,$f)=@_;
&comment("40_59 $n");
&mov($f,&swtmp($n%16)); &mov($tmp1,&swtmp(($n+2)%16));
&xor($f,$tmp1);
&mov($tmp1,&swtmp(($n+8)%16));
&xor($f,$tmp1);
&mov($tmp1,&swtmp(($n+13)%16));
&xor($f,$tmp1); &mov($tmp1,$b); &rotl($f,1); &or($tmp1,$c);
&mov(&swtmp($n%16),$f); &and($tmp1,$d);
&lea($f,&DWP(0x8f1bbcdc,$f,$e)); &mov($e,$b); &rotr($b,2); &and($e,$c);
&or($tmp1,$e); &mov($e,$a);
&rotl($e,5); &add($f,$tmp1); &add($f,$e); }
&function_begin("sha1_block_data_order");
&mov($tmp1,&wparam(0)); &mov($T,&wparam(1)); &mov($A,&wparam(2)); &stack_push(16); &shl($A,6);
&add($A,$T);
&mov(&wparam(2),$A); &mov($E,&DWP(16,$tmp1));
&set_label("loop",16);
for ($i=0; $i<16; $i+=4)
{
&mov($A,&DWP(4*($i+0),$T));
&mov($B,&DWP(4*($i+1),$T));
&mov($C,&DWP(4*($i+2),$T));
&mov($D,&DWP(4*($i+3),$T));
&bswap($A);
&bswap($B);
&bswap($C);
&bswap($D);
&mov(&swtmp($i+0),$A);
&mov(&swtmp($i+1),$B);
&mov(&swtmp($i+2),$C);
&mov(&swtmp($i+3),$D);
}
&mov(&wparam(1),$T);
&mov($A,&DWP(0,$tmp1)); &mov($B,&DWP(4,$tmp1));
&mov($C,&DWP(8,$tmp1));
&mov($D,&DWP(12,$tmp1));
for($i=0;$i<16;$i++) { &BODY_00_15($i,@V); unshift(@V,pop(@V)); }
for(;$i<20;$i++) { &BODY_16_19($i,@V); unshift(@V,pop(@V)); }
for(;$i<40;$i++) { &BODY_20_39($i,@V); unshift(@V,pop(@V)); }
for(;$i<60;$i++) { &BODY_40_59($i,@V); unshift(@V,pop(@V)); }
for(;$i<80;$i++) { &BODY_20_39($i,@V); unshift(@V,pop(@V)); }
(($V[5] eq $D) and ($V[0] eq $E)) or die;
&mov($tmp1,&wparam(0)); &mov($D,&wparam(1));
&add($E,&DWP(0,$tmp1)); &add($T,&DWP(4,$tmp1));
&add($A,&DWP(8,$tmp1));
&add($B,&DWP(12,$tmp1));
&add($C,&DWP(16,$tmp1));
&mov(&DWP(0,$tmp1),$E); &add($D,64); &mov(&DWP(4,$tmp1),$T);
&cmp($D,&wparam(2)); &mov(&DWP(8,$tmp1),$A);
&mov($E,$C); &mov(&DWP(12,$tmp1),$B);
&mov($T,$D); &mov(&DWP(16,$tmp1),$C);
&jb(&label("loop"));
&stack_pop(16);
&function_end("sha1_block_data_order");
&asm_finish();