Merge branch 'pan/otp_8332_halfword' into dev

* pan/otp_8332_halfword:
  Teach testcase in driver_suite the new prototype for driver_async
  wx: Correct usage of driver callbacks from wx thread
  Adopt the new (R13B04) Nif functionality to the halfword codebase
  Support monitoring and demonitoring from driver threads
  Fix further test-suite problems
  Correct the VM to work for more test suites
  Teach {wordsize,internal|external} to system_info/1
  Make tracing and distribution work
  Turn on instruction packing in the loader and virtual machine
  Add the BeamInstr data type for loaded BEAM code
  Fix the BEAM dissambler for the half-word emulator
  Store pointers to heap data in 32-bit words
  Add a custom mmap wrapper to force heaps into the lower address range
  Fit all heap data into the 32-bit address range

1 files changed, 13 insertions, 9 deletions

diff --git a/erts/emulator/utils/beam_makeops b/erts/emulator/utils/beam_makeops
index 4a859c3094..de19a2e35b 100755
--- a/erts/emulator/utils/beam_makeops
+++ b/erts/emulator/utils/beam_makeops
@@ -1,20 +1,20 @@
 #!/usr/bin/env perl
 #
 # %CopyrightBegin%
-# 
-# Copyright Ericsson AB 1998-2009. All Rights Reserved.
-# 
+#
+# Copyright Ericsson AB 1998-2010. All Rights Reserved.
+#
 # The contents of this file are subject to the Erlang Public License,
 # Version 1.1, (the "License"); you may not use this file except in
 # compliance with the License. You should have received a copy of the
 # Erlang Public License along with this software. If not, it can be
 # retrieved online at http://www.erlang.org/.
-# 
+#
 # Software distributed under the License is distributed on an "AS IS"
 # basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
 # the License for the specific language governing rights and limitations
 # under the License.
-# 
+#
 # %CopyrightEnd%
 #
 use strict;
@@ -499,7 +499,11 @@ sub emulator_output {
     print "\n";
     print "#ifdef ARCH_64\n";
     print "#  define BEAM_LOOSE_MASK 0x1FFFUL\n";
+    print "#if HALFWORD_HEAP\n";
+    print "#  define BEAM_TIGHT_MASK 0x1FFCUL\n";
+    print "#else\n";
     print "#  define BEAM_TIGHT_MASK 0x1FF8UL\n";
+    print "#endif\n";
     print "#  define BEAM_LOOSE_SHIFT 16\n";
     print "#  define BEAM_TIGHT_SHIFT 16\n";
     print "#else\n";
@@ -813,7 +817,7 @@ sub basic_generator {
     #
 
     if ($flags =~ /-pack/ && $hot) {
-	($prefix, $pack_spec, @args) = &do_pack(@args);
+        ($prefix, $pack_spec, @args) = &do_pack(@args);
     }
 
     #
@@ -907,16 +911,16 @@ sub basic_generator {
     my($code);
     if (defined $macro{$name}) {
 	my($macro_code) = "$prefix$macro(" . join(', ', @f) . ");";
-	$var_decls .= "Uint tmp_packed1;"
+	$var_decls .= "BeamInstr tmp_packed1;"
 	    if $macro_code =~ /tmp_packed1/;
-	$var_decls .= "Uint tmp_packed2;"
+	$var_decls .= "BeamInstr tmp_packed2;"
 	    if $macro_code =~ /tmp_packed2/;
 	if ($flags =~ /-nonext/) {
 	    $code = "$macro_code\n";
 	} else {
 	    $code = join("\n",
 			 "{ $var_decls",
-			 "Eterm* next;",
+			 "BeamInstr* next;",
 			 "PreFetch($size, next);",
 			 "$macro_code",
 			 "NextPF($size, next);",