Make dump_syms 64-bit on Mac

breakpad/breakpad.gyp

 # Copyright (c) 2011 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'includes': [
     'breakpad_sender.gypi',
     'breakpad_handler.gypi',
   ],
   'conditions': [
@@ skipping 88 matching lines @@
             'libraries': [
               '$(SDKROOT)/System/Library/Frameworks/AppKit.framework',
               '$(SDKROOT)/System/Library/Frameworks/Foundation.framework',
               '$(SDKROOT)/System/Library/Frameworks/SystemConfiguration.framework',
             ],
           }
         },
         {
           'target_name': 'dump_syms',
           'type': 'executable',
-          'variables': {
-            # Turn off PIE because it may interfere with dump_syms' ability to
-            # allocate a contiguous region in memory large enough to mmap the
-            # entire unstripped framework in a 32-bit dump_syms process.
-            'mac_pie': 0,
-          },
           'include_dirs++': [
             # ++ ensures this comes before src brought in from target_defaults.
             'pending/src',
           ],
           'include_dirs': [
             'src/common/mac',
           ],
           'sources': [
             'src/common/dwarf/dwarf2diehandler.cc',
             'src/common/dwarf/dwarf2reader.cc',
@@ skipping 12 matching lines @@
             'src/common/stabs_reader.cc',
             'src/common/stabs_to_module.cc',
             'src/tools/mac/dump_syms/dump_syms_tool.mm',
             'src/common/md5.c',
           ],
           'defines': [
             # For src/common/stabs_reader.h.
             'HAVE_MACH_O_NLIST_H',
           ],
           'xcode_settings': {
+            # Like ld, dump_syms needs to operate on enough data that it may
+            # actually need to be able to address more than 4GB. Use x86_64.
+            # Don't worry! An x86_64 dump_syms is perfectly able to dump
+            # 32-bit files.
+            'ARCHS': [
+              'x86_64',
+            ],
+
             # The DWARF utilities require -funsigned-char.
             'GCC_CHAR_IS_UNSIGNED_CHAR': 'YES',
+
             # dwarf2reader.cc uses dynamic_cast.
             'GCC_ENABLE_CPP_RTTI': 'YES',
           },
           'link_settings': {
             'libraries': [
               '$(SDKROOT)/System/Library/Frameworks/Foundation.framework',
             ],
           },
           'configurations': {
             'Release_Base': {
@@ skipping 272 matching lines @@
 
           'include_dirs': [
             '..',
             'src',
           ],
         },
       ],
     }],
   ],
 }