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Improve support for running everything as a monolithic application.
[openssl.git] / crypto / cast / asm / cast-586.pl
diff --git a/crypto/cast/asm/cast-586.pl b/crypto/cast/asm/cast-586.pl
index d6b6f19bea9e6f39b4c4a67fc4b1c50fc816ea62..6be0bfe57245e75fd0f90fafaffffcf4de51bf03 100644 (file)
--- a/crypto/cast/asm/cast-586.pl
+++ b/crypto/cast/asm/cast-586.pl
@@ -7,7 +7,7 @@ push(@INC,"perlasm","../../perlasm");
 require "x86asm.pl";
 require "cbc.pl";
 
-&asm_init($ARGV[0],"cast-586.pl");
+&asm_init($ARGV[0],"cast-586.pl",$ARGV[$#ARGV] eq "386");
 
 $CAST_ROUNDS=16;
 $L="edi";
@@ -32,136 +32,145 @@ $S4="CAST_S_table3";
 
 &asm_finish();
 
-sub CAST_encrypt
-       {
-       local($name,$enc)=@_;
+sub CAST_encrypt {
+    local($name,$enc)=@_;
 
-       local($win_ex)=<<"EOF";
+    local($win_ex)=<<"EOF";
 EXTERN _CAST_S_table0:DWORD
 EXTERN _CAST_S_table1:DWORD
 EXTERN _CAST_S_table2:DWORD
 EXTERN _CAST_S_table3:DWORD
 EOF
-       &main'external_label(
-               "CAST_S_table0",
-               "CAST_S_table1",
-               "CAST_S_table2",
-               "CAST_S_table3",
-               );
-
-       &function_begin_B($name,$win_ex);
-
-       &comment("");
-
-       &push("ebp");
-       &push("ebx");
-       &mov($tmp2,&wparam(0));
-       &mov($K,&wparam(1));
-       &push("esi");
-       &push("edi");
-
-       &comment("Load the 2 words");
-       &mov($L,&DWP(0,$tmp2,"",0));
-       &mov($R,&DWP(4,$tmp2,"",0));
-
-       &xor(   $tmp3,  $tmp3);
-
-       # encrypting part
-
-       if ($enc)
-               {
-               &E_CAST( 0,$S,$L,$R,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
-               &E_CAST( 1,$S,$R,$L,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4);
-               &E_CAST( 2,$S,$L,$R,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4);
-               &E_CAST( 3,$S,$R,$L,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
-               &E_CAST( 4,$S,$L,$R,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4);
-               &E_CAST( 5,$S,$R,$L,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4);
-               &E_CAST( 6,$S,$L,$R,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
-               &E_CAST( 7,$S,$R,$L,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4);
-               &E_CAST( 8,$S,$L,$R,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4);
-               &E_CAST( 9,$S,$R,$L,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
-               &E_CAST(10,$S,$L,$R,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4);
-               &E_CAST(11,$S,$R,$L,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4);
-               &E_CAST(12,$S,$L,$R,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
-               &E_CAST(13,$S,$R,$L,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4);
-               &E_CAST(14,$S,$L,$R,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4);
-               &E_CAST(15,$S,$R,$L,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4,1);
-               }
-       else
-               {
-               &E_CAST(15,$S,$L,$R,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
-               &E_CAST(14,$S,$R,$L,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4);
-               &E_CAST(13,$S,$L,$R,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4);
-               &E_CAST(12,$S,$R,$L,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
-               &E_CAST(11,$S,$L,$R,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4);
-               &E_CAST(10,$S,$R,$L,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4);
-               &E_CAST( 9,$S,$L,$R,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
-               &E_CAST( 8,$S,$R,$L,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4);
-               &E_CAST( 7,$S,$L,$R,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4);
-               &E_CAST( 6,$S,$R,$L,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
-               &E_CAST( 5,$S,$L,$R,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4);
-               &E_CAST( 4,$S,$R,$L,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4);
-               &E_CAST( 3,$S,$L,$R,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
-               &E_CAST( 2,$S,$R,$L,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4);
-               &E_CAST( 1,$S,$L,$R,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4);
-               &E_CAST( 0,$S,$R,$L,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4,1);
-               }
-
-       &nop();
-       &mov(&DWP(4,$tmp3,"",0),$L);
-       &mov(&DWP(0,$tmp3,"",0),$R);
-       &function_end($name);
-       }
-
-sub E_CAST
-       {
-       local($i,$S,$L,$R,$K,$OP1,$OP2,$OP3,$tmp1,$tmp2,$tmp3,$tmp4,$lst)=@_;
-       # Ri needs to have 16 pre added.
-
-       &comment("round $i");
-       &mov(   $tmp4,          &DWP($i*8,$K,"",1));
-
-       &mov(   $tmp1,          &DWP($i*8+4,$K,"",1));# must be word
-       &$OP1(  $tmp4,          $R);
-
-       &rotl(  $tmp4,          &LB($tmp1));
-
-       if ($ppro)
-               {
-               &mov(   $tmp2,          $tmp4);         # B
-               &xor(   $tmp1,          $tmp1);
-
-               &movb(  &LB($tmp1),     &HB($tmp4));    # A
-               &and(   $tmp2,          0xff);
-
-               &shr(   $tmp4,          16);            #
-               &xor(   $tmp3,          $tmp3);
-               }
-       else
-               {
-               &mov(   $tmp2,          $tmp4);         # B
-               &movb(  &LB($tmp1),     &HB($tmp4));    # A     # BAD BAD BAD
-
-               &shr(   $tmp4,          16);            #
-               &and(   $tmp2,          0xff);
-               }
-
-       &movb(  &LB($tmp3),     &HB($tmp4));    # C     # BAD BAD BAD
-       &and(   $tmp4,          0xff);          # D
-
-       &mov(   $tmp1,          &DWP($S1,"",$tmp1,4));
-       &mov(   $tmp2,          &DWP($S2,"",$tmp2,4));
-
-       &$OP2(  $tmp1,          $tmp2);
-       &mov(   $tmp2,          &DWP($S3,"",$tmp3,4));
-
-       &$OP3(  $tmp1,          $tmp2);
-       &mov(   $tmp2,          &DWP($S4,"",$tmp4,4));
-
-       &$OP1(  $tmp1,          $tmp2);
-        &mov($tmp3,&wparam(0)) if $lst;
-        # XXX
-
-       &xor(   $L,             $tmp1);
-        # XXX
-       }
+    &main::external_label(
+                         "CAST_S_table0",
+                         "CAST_S_table1",
+                         "CAST_S_table2",
+                         "CAST_S_table3",
+                         );
+
+    &function_begin_B($name,$win_ex);
+
+    &comment("");
+
+    &push("ebp");
+    &push("ebx");
+    &mov($tmp2,&wparam(0));
+    &mov($K,&wparam(1));
+    &push("esi");
+    &push("edi");
+
+    &comment("Load the 2 words");
+    &mov($L,&DWP(0,$tmp2,"",0));
+    &mov($R,&DWP(4,$tmp2,"",0));
+
+    &comment('Get short key flag');
+    &mov($tmp3,&DWP(128,$K,"",0));
+    if($enc) {
+       &push($tmp3);
+    } else {
+       &or($tmp3,$tmp3);
+       &jnz(&label('cast_dec_skip'));
+    }
+
+    &xor($tmp3,        $tmp3);
+
+    # encrypting part
+
+    if ($enc) {
+       &E_CAST( 0,$S,$L,$R,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
+       &E_CAST( 1,$S,$R,$L,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4);
+       &E_CAST( 2,$S,$L,$R,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4);
+       &E_CAST( 3,$S,$R,$L,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
+       &E_CAST( 4,$S,$L,$R,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4);
+       &E_CAST( 5,$S,$R,$L,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4);
+       &E_CAST( 6,$S,$L,$R,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
+       &E_CAST( 7,$S,$R,$L,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4);
+       &E_CAST( 8,$S,$L,$R,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4);
+       &E_CAST( 9,$S,$R,$L,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
+       &E_CAST(10,$S,$L,$R,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4);
+       &E_CAST(11,$S,$R,$L,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4);
+       &comment('test short key flag');
+       &pop($tmp4);
+       &or($tmp4,$tmp4);
+       &jnz(&label('cast_enc_done'));
+       &E_CAST(12,$S,$L,$R,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
+       &E_CAST(13,$S,$R,$L,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4);
+       &E_CAST(14,$S,$L,$R,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4);
+       &E_CAST(15,$S,$R,$L,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
+    } else {
+       &E_CAST(15,$S,$L,$R,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
+       &E_CAST(14,$S,$R,$L,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4);
+       &E_CAST(13,$S,$L,$R,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4);
+       &E_CAST(12,$S,$R,$L,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
+       &set_label('cast_dec_skip');
+       &E_CAST(11,$S,$L,$R,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4);
+       &E_CAST(10,$S,$R,$L,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4);
+       &E_CAST( 9,$S,$L,$R,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
+       &E_CAST( 8,$S,$R,$L,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4);
+       &E_CAST( 7,$S,$L,$R,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4);
+       &E_CAST( 6,$S,$R,$L,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
+       &E_CAST( 5,$S,$L,$R,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4);
+       &E_CAST( 4,$S,$R,$L,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4);
+       &E_CAST( 3,$S,$L,$R,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
+       &E_CAST( 2,$S,$R,$L,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4);
+       &E_CAST( 1,$S,$L,$R,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4);
+       &E_CAST( 0,$S,$R,$L,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
+    }
+
+    &set_label('cast_enc_done') if $enc;
+# Why the nop? - Ben 17/1/99
+    &nop();
+    &mov($tmp3,&wparam(0));
+    &mov(&DWP(4,$tmp3,"",0),$L);
+    &mov(&DWP(0,$tmp3,"",0),$R);
+    &function_end($name);
+}
+
+sub E_CAST {
+    local($i,$S,$L,$R,$K,$OP1,$OP2,$OP3,$tmp1,$tmp2,$tmp3,$tmp4)=@_;
+    # Ri needs to have 16 pre added.
+
+    &comment("round $i");
+    &mov(      $tmp4,          &DWP($i*8,$K,"",1));
+
+    &mov(      $tmp1,          &DWP($i*8+4,$K,"",1));
+    &$OP1(     $tmp4,          $R);
+
+    &rotl(     $tmp4,          &LB($tmp1));
+
+    if ($ppro) {
+       &mov(   $tmp2,          $tmp4);         # B
+       &xor(   $tmp1,          $tmp1);
+       
+       &movb(  &LB($tmp1),     &HB($tmp4));    # A
+       &and(   $tmp2,          0xff);
+
+       &shr(   $tmp4,          16);            #
+       &xor(   $tmp3,          $tmp3);
+    } else {
+       &mov(   $tmp2,          $tmp4);         # B
+       &movb(  &LB($tmp1),     &HB($tmp4));    # A     # BAD BAD BAD
+       
+       &shr(   $tmp4,          16);            #
+       &and(   $tmp2,          0xff);
+    }
+
+    &movb(     &LB($tmp3),     &HB($tmp4));    # C     # BAD BAD BAD
+    &and(      $tmp4,          0xff);          # D
+
+    &mov(      $tmp1,          &DWP($S1,"",$tmp1,4));
+    &mov(      $tmp2,          &DWP($S2,"",$tmp2,4));
+
+    &$OP2(     $tmp1,          $tmp2);
+    &mov(      $tmp2,          &DWP($S3,"",$tmp3,4));
+
+    &$OP3(     $tmp1,          $tmp2);
+    &mov(      $tmp2,          &DWP($S4,"",$tmp4,4));
+
+    &$OP1(     $tmp1,          $tmp2);
+    # XXX
+
+    &xor(      $L,             $tmp1);
+    # XXX
+}
+
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