1 files changed, 47 insertions, 6 deletions

diff --git a/src/lib/libcrypto/perlasm/x86unix.pl b/src/lib/libcrypto/perlasm/x86unix.pl
index 9ceabf0705..72bde061c5 100644
--- a/src/lib/libcrypto/perlasm/x86unix.pl
+++ b/src/lib/libcrypto/perlasm/x86unix.pl
@@ -87,12 +87,12 @@ sub main'DWP
         $ret.=$addr if ($addr ne "") && ($addr ne 0);
         if ($reg2 ne "")
                 {
-                if($idx ne "")
+                if($idx ne "" && $idx != 0)
                     { $ret.="($reg1,$reg2,$idx)"; }
                 else
                     { $ret.="($reg1,$reg2)"; }
                 }
-        else
+        elsif ($reg1 ne "")
                 { $ret.="($reg1)" }
         return($ret);
         }
@@ -167,7 +167,7 @@ sub main'pop	{ &out1("popl",@_); $stack-=4; }
 sub main'pushf  { &out0("pushf"); $stack+=4; }
 sub main'popf   { &out0("popf"); $stack-=4; }
 sub main'not    { &out1("notl",@_); }
-sub main'call   { &out1("call",$under.$_[0]); }
+sub main'call   { &out1("call",($_[0]=~/^\.L/?'':$under).$_[0]); }
 sub main'ret    { &out0("ret"); }
 sub main'nop    { &out0("nop"); }
 
@@ -345,15 +345,15 @@ sub main'function_end
         popl    %ebx
         popl    %ebp
         ret
-.${func}_end:
+.L_${func}_end:
 EOF
         push(@out,$tmp);
 
         if ($main'cpp)
-                { push(@out,"\tSIZE($func,.${func}_end-$func)\n"); }
+                { push(@out,"\tSIZE($func,.L_${func}_end-$func)\n"); }
         elsif ($main'gaswin)
                 { $tmp=push(@out,"\t.align 4\n"); }
-        else    { push(@out,"\t.size\t$func,.${func}_end-$func\n"); }
+        else    { push(@out,"\t.size\t$func,.L_${func}_end-$func\n"); }
         push(@out,".ident       \"$func\"\n");
         $stack=0;
         %label=();
@@ -426,6 +426,11 @@ sub main'swtmp
 
 sub main'comment
         {
+        if ($main'elf)  # GNU and SVR4 as'es use different comment delimiters,
+                {       # so we just skip comments...
+                push(@out,"\n");
+                return;
+                }
         foreach (@_)
                 {
                 if (/^\s*$/)
@@ -542,3 +547,39 @@ sub popvars
         &main'pop("edx");
         &main'popf();
         }
+
+sub main'picmeup
+        {
+        local($dst,$sym)=@_;
+        if ($main'cpp)
+                {
+                local($tmp)=<<___;
+#if (defined(ELF) || defined(SOL)) && defined(PIC)
+        .align  8
+        call    1f
+1:      popl    $regs{$dst}
+        addl    \$_GLOBAL_OFFSET_TABLE_+[.-1b],$regs{$dst}
+        movl    $sym\@GOT($regs{$dst}),$regs{$dst}
+#else
+        leal    $sym,$regs{$dst}
+#endif
+___
+                push(@out,$tmp);
+                }
+        elsif ($main'pic && ($main'elf || $main'aout))
+                {
+                push(@out,"\t.align\t8\n");
+                &main'call(&main'label("PIC_me_up"));
+                &main'set_label("PIC_me_up");
+                &main'blindpop($dst);
+                &main'add($dst,"\$$under"."_GLOBAL_OFFSET_TABLE_+[.-".
+                                &main'label("PIC_me_up") . "]");
+                &main'mov($dst,&main'DWP($sym."\@GOT",$dst));
+                }
+        else
+                {
+                &main'lea($dst,&main'DWP($sym));
+                }
+        }
+
+sub main'blindpop { &out1("popl",@_); }