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Support for NASM>=2 in Win64/x64 build.
[openssl.git] / crypto / perlasm / x86_64-xlate.pl
diff --git a/crypto/perlasm/x86_64-xlate.pl b/crypto/perlasm/x86_64-xlate.pl
index fd0295185a4ae4e9a1f9ba323f4cfe97ef325d11..c96d0e385863ba0e31a62532a608c1fb619d650e 100755 (executable)
--- a/crypto/perlasm/x86_64-xlate.pl
+++ b/crypto/perlasm/x86_64-xlate.pl
@@ -65,10 +65,20 @@ my $output = shift;
        if ($stddev!=$outdev || $stdino!=$outino);
 }
 
+my $win64=1 if ($output =~ /\.asm/);
+
 my $masmref=8 + 50727*2**-32;  # 8.00.50727 shipped with VS2005
-my $masm=$masmref if ($output =~ /\.asm/);
-if ($masm && `ml64 2>&1` =~ m/Version ([0-9]+)\.([0-9]+)(\.([0-9]+))?/)
-{   $masm=$1 + $2*2**-16 + $4*2**-32;   }
+my $masm=$masmref;
+my $PTR=" PTR";
+
+my $nasm=0;
+
+if ($win64)
+{   if ($ENV{ASM} =~ m/nasm/)
+    {  $nasm = 1; $PTR="";   }
+    elsif (`ml64 2>&1` =~ m/Version ([0-9]+)\.([0-9]+)(\.([0-9]+))?/)
+    {  $masm = $1 + $2*2**-16 + $4*2**-32;   }
+}
 
 my $current_segment;
 my $current_function;
@@ -105,7 +115,7 @@ my $current_function;
     }
     sub out {
        my $self = shift;
-       if (!$masm) {
+       if (!$win64) {
            if ($self->{op} eq "movz") {        # movz is pain...
                sprintf "%s%s%s",$self->{op},$self->{sz},shift;
            } elsif ($self->{op} =~ /^set/) { 
@@ -120,14 +130,17 @@ my $current_function;
            if ($self->{op} eq "ret") {
                $self->{op} = "";
                if ($current_function->{abi} eq "svr4") {
-                   $self->{op} = "mov  rdi,QWORD PTR 8[rsp]\t;WIN64 epilogue\n\t".
-                                 "mov  rsi,QWORD PTR 16[rsp]\n\t";
+                   $self->{op} = "mov  rdi,QWORD${PTR}[8+rsp]\t;WIN64 epilogue\n\t".
+                                 "mov  rsi,QWORD${PTR}[16+rsp]\n\t";
                }
                $self->{op} .= "DB\t0F3h,0C3h\t\t;repret";
+           } elsif ($self->{op} =~ /^j/ && $nasm) {
+               $self->{op} .= " NEAR";
            }
            $self->{op};
        }
     }
+    sub mnemonic { shift->{op}; }
 }
 { package const;       # pick up constants, which start with $
     sub re {
@@ -145,7 +158,7 @@ my $current_function;
     sub out {
        my $self = shift;
 
-       if (!$masm) {
+       if (!$win64) {
            # Solaris /usr/ccs/bin/as can't handle multiplications
            # in $self->{value}
            $self->{value} =~ s/(?<![0-9a-f])(0[x0-9a-f]+)/oct($1)/egi;
@@ -186,7 +199,7 @@ my $current_function;
        $self->{index} =~ s/^[er](.?[0-9xpi])[d]?$/r\1/;
        $self->{base}  =~ s/^[er](.?[0-9xpi])[d]?$/r\1/;
 
-       if (!$masm) {
+       if (!$win64) {
            # Solaris /usr/ccs/bin/as can't handle multiplications
            # in $self->{label}
            $self->{label} =~ s/(?<![0-9a-f])(0[x0-9a-f]+)/oct($1)/egi;
@@ -200,22 +213,23 @@ my $current_function;
                sprintf "%s(%%%s)",     $self->{label},$self->{base};
            }
        } else {
-           %szmap = ( b=>"BYTE", w=>"WORD", l=>"DWORD", q=>"QWORD" );
+           %szmap = ( b=>"BYTE$PTR", w=>"WORD$PTR", l=>"DWORD$PTR", q=>"QWORD$PTR" );
 
            $self->{label} =~ s/\./\$/g;
            $self->{label} =~ s/0x([0-9a-f]+)/0$1h/ig;
            $self->{label} = "($self->{label})" if ($self->{label} =~ /[\*\+\-\/]/);
 
            if (defined($self->{index})) {
-               sprintf "%s PTR %s[%s*%d+%s]",$szmap{$sz},
-                                       $self->{label},
+               sprintf "%s[%s%s*%d+%s]",$szmap{$sz},
+                                       $self->{label}?"$self->{label}+":"",
                                        $self->{index},$self->{scale},
                                        $self->{base};
            } elsif ($self->{base} eq "rip") {
-               sprintf "%s PTR %s",$szmap{$sz},$self->{label};
+               sprintf "%s[%s]",$szmap{$sz},$self->{label};
            } else {
-               sprintf "%s PTR %s[%s]",$szmap{$sz},
-                                       $self->{label},$self->{base};
+               sprintf "%s[%s%s]",$szmap{$sz},
+                                       $self->{label}?"$self->{label}+":"",
+                                       $self->{base};
            }
        }
     }
@@ -252,7 +266,7 @@ my $current_function;
     }
     sub out {
        my $self = shift;
-       sprintf $masm?"%s":"%%%s",$self->{value};
+       sprintf $win64?"%s":"%%%s",$self->{value};
     }
 }
 { package label;       # pick up labels, which end with :
@@ -266,32 +280,32 @@ my $current_function;
            $ret = $self;
            $line = substr($line,@+[0]); $line =~ s/^\s+//;
 
-           $self->{value} =~ s/\.L/\$L/ if ($masm);
+           $self->{value} =~ s/\.L/\$L/ if ($win64);
        }
        $ret;
     }
     sub out {
        my $self = shift;
 
-       if (!$masm) {
+       if (!$win64) {
            $self->{value};
        } elsif ($self->{value} ne "$current_function->{name}:") {
            $self->{value};
        } elsif ($current_function->{abi} eq "svr4") {
-           my $func =  "$current_function->{name}      PROC\n".
-                       "       mov     QWORD PTR 8[rsp],rdi\t;WIN64 prologue\n".
-                       "       mov     QWORD PTR 16[rsp],rsi\n";
+           my $func =  "$current_function->{name}".($nasm?":":"\tPROC")."\n".
+                       "       mov     QWORD${PTR}[8+rsp],rdi\t;WIN64 prologue\n".
+                       "       mov     QWORD${PTR}[16+rsp],rsi\n";
            my $narg = $current_function->{narg};
            $narg=6 if (!defined($narg));
            $func .= "  mov     rdi,rcx\n" if ($narg>0);
            $func .= "  mov     rsi,rdx\n" if ($narg>1);
            $func .= "  mov     rdx,r8\n"  if ($narg>2);
            $func .= "  mov     rcx,r9\n"  if ($narg>3);
-           $func .= "  mov     r8,QWORD PTR 40[rsp]\n" if ($narg>4);
-           $func .= "  mov     r9,QWORD PTR 48[rsp]\n" if ($narg>5);
+           $func .= "  mov     r8,QWORD${PTR}[40+rsp]\n" if ($narg>4);
+           $func .= "  mov     r9,QWORD${PTR}[48+rsp]\n" if ($narg>5);
            $func .= "\n";
        } else {
-          "$current_function->{name}   PROC";
+          "$current_function->{name}".($nasm?":":"\tPROC");
        }
     }
 }
@@ -306,7 +320,7 @@ my $current_function;
            $ret = $self;
            $line = substr($line,@+[0]); $line =~ s/^\s+//;
 
-           $self->{value} =~ s/\.L/\$L/g if ($masm);
+           $self->{value} =~ s/\.L/\$L/g if ($win64);
        }
        $ret;
     }
@@ -332,7 +346,7 @@ my $current_function;
                        "%r14"=>0x01358d4c,     "%r15"=>0x013d8d4c      );
 
        if ($line =~ /^\s*(\.\w+)/) {
-           if (!$masm) {
+           if (!$win64) {
                $self->{value} = $1;
                $line =~ s/\@abi\-omnipotent/\@function/;
                $line =~ s/\@function.*/\@function/;
@@ -356,16 +370,25 @@ my $current_function;
            SWITCH: for ($dir) {
                /\.(text)/
                            && do { my $v=undef;
-                                   $v="$current_segment\tENDS\n" if ($current_segment);
-                                   $current_segment = "_$1\$";
-                                   $current_segment =~ tr/[a-z]/[A-Z]/;
-                                   $v.="$current_segment\tSEGMENT ";
-                                   $v.=$masm>=$masmref ? "ALIGN(64)" : "PAGE";
-                                   $v.=" 'CODE'";
+                                   if ($nasm) {
+                                       $v ="section    .$1 code align=64\n";
+                                       $v.="default    rel\n";
+                                       $v.="%define    PUBLIC global";
+                                   } else {
+                                       $v="$current_segment\tENDS\n" if ($current_segment);
+                                       $current_segment = "_$1\$";
+                                       $current_segment =~ tr/[a-z]/[A-Z]/;
+                                       $v.="$current_segment\tSEGMENT ";
+                                       $v.=$masm>=$masmref ? "ALIGN(64)" : "PAGE";
+                                       $v.=" 'CODE'";
+                                   }
                                    $self->{value} = $v;
                                    last;
                                  };
-               /\.extern/  && do { $self->{value} = "EXTRN\t".$line.":BYTE"; last;  };
+               /\.extern/  && do { $self->{value}  = "EXTERN\t".$line;
+                                   $self->{value} .= ":BYTE" if (!$nasm);
+                                   last;
+                                 };
                /\.globl/   && do { $self->{value} = "PUBLIC\t".$line; last; };
                /\.type/    && do { ($sym,$type,$narg) = split(',',$line);
                                    if ($type eq "\@function") {
@@ -380,7 +403,7 @@ my $current_function;
                                    last;
                                  };
                /\.size/    && do { if (defined($current_function)) {
-                                       $self->{value}="$current_function->{name}\tENDP";
+                                       $self->{value}="$current_function->{name}\tENDP" if(!$nasm);
                                        undef $current_function;
                                    }
                                    last;
@@ -390,14 +413,18 @@ my $current_function;
                            && do { my @arr = split(',',$line);
                                    my $sz  = substr($1,0,1);
                                    my $last = pop(@arr);
+                                   my $conv = sub  {   my $var=shift;
+                                                       if ($var=~s/0x([0-9a-f]+)/0$1h/i) { $var; }
+                                                       else { sprintf"0%Xh",$var; }
+                                                   };  
 
                                    $sz =~ tr/bvlq/BWDQ/;
                                    $self->{value} = "\tD$sz\t";
-                                   for (@arr) { $self->{value} .= sprintf"0%Xh,",oct; }
-                                   $self->{value} .= sprintf"0%Xh",oct($last);
+                                   for (@arr) { $self->{value} .= &$conv($_).","; }
+                                   $self->{value} .= &$conv($last);
                                    last;
                                  };
-               /\.picmeup/ && do { $self->{value} = sprintf"\tDD\t 0%Xh,090000000h",$opcode{$line};
+               /\.picmeup/ && do { $self->{value} = sprintf"\tDD\t0%Xh,090000000h",$opcode{$line};
                                    last;
                                  };
                /\.asciz/   && do { if ($line =~ /^"(.*)"$/) {
@@ -463,10 +490,11 @@ while($line=<>) {
        $sz=opcode->size();
 
        if (defined($dst)) {
-           if (!$masm) {
+           if (!$win64) {
                printf "\t%s\t%s,%s",   $opcode->out($dst->size()),
                                        $src->out($sz),$dst->out($sz);
            } else {
+               undef $sz if ($nasm && $opcode->mnemonic() eq "lea");
                printf "\t%s\t%s,%s",   $opcode->out(),
                                        $dst->out($sz),$src->out($sz);
            }
@@ -480,7 +508,7 @@ while($line=<>) {
     print $line,"\n";
 }
 
-print "\n$current_segment\tENDS\nEND\n" if ($masm);
+print "\n$current_segment\tENDS\nEND\n" if ($current_segment);
 
 close STDOUT;
 
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