Type profiler by intercepting 'new' and 'delete' expressions.

build/common.gypi

 # Copyright (c) 2012 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.
 
 # IMPORTANT:
 # Please don't directly include this file if you are building via gyp_chromium,
 # since gyp_chromium is automatically forcing its inclusion.
 {
   # Variables expected to be overriden on the GYP command line (-D) or by
   # ~/.gyp/include.gypi.
@@ skipping 200 matching lines @@
 
       # Notifications are compiled in by default. Set to 0 to disable.
       'notifications%' : 1,
 
       # If this is set, the clang plugins used on the buildbot will be used.
       # Run tools/clang/scripts/update.sh to make sure they are compiled.
       # This causes 'clang_chrome_plugins_flags' to be set.
       # Has no effect if 'clang' is not set as well.
       'clang_use_chrome_plugins%': 1,
 
+      'clang_allocated_type%': 0,
+
       # Enable building with ASAN (Clang's -faddress-sanitizer option).
       # -faddress-sanitizer only works with clang, but asan=1 implies clang=1
       # See https://sites.google.com/a/chromium.org/dev/developers/testing/addresssanitizer
       'asan%': 0,
 
       # Set to true to instrument the code with function call logger.
       # See src/third_party/cygprofile/cyg-profile.cc for details.
       'order_profiling%': 0,
 
       # Use the provided profiled order file to link Chrome image with it.
@@ skipping 1282 matching lines @@
         'defines': ['ENABLE_PROMO_RESOURCE_SERVICE=1'],
       }],
       ['enable_automation==1', {
         'defines': ['ENABLE_AUTOMATION=1'],
       }],
       ['enable_printing==1', {
         'defines': ['ENABLE_PRINTING=1'],
       }],
     ],  # conditions for 'target_defaults'
     'target_conditions': [
+      ['_type=="executable" or _type=="loadable_module"', {
+        'target_conditions': [
+          ['_target_name=="mksnapshot" or _target_name=="protoc" or _target_name=="ppGoogleNaClPluginChrome"', {
+            # Ignore allocated types.
+            'conditions': [
+              ['clang==1 and clang_allocated_type==1', {
+                'dependencies': [
+                  'base/allocator/allocator.gyp:new_delete_type_ignore#target',
+                ]},
+              ],
+            ]}, {
+            # Store allocated types in TCMalloc's allocated_type_map (extended).
+            'conditions': [
+              ['clang==1 and clang_allocated_type==1', {
+                'dependencies': [
+                  'base/allocator/allocator.gyp:new_delete_type_tcmalloc#target',
+                ]},
+              ],
+            ]},
+          ]
+        ]},
+      ],
       ['enable_wexit_time_destructors==1', {
         'conditions': [
           [ 'clang==1', {
             'cflags': [
               '-Wexit-time-destructors',
             ],
             'xcode_settings': {
               'WARNING_CFLAGS': [
                 '-Wexit-time-destructors',
               ],
@@ skipping 672 matching lines @@
               # removed when we change to that.  (This is also why we don't
               # bother fixing all these cases today.)
               '-Wno-unnamed-type-template-args',
               # This (rightyfully) complains about 'override', which we use
               # heavily.
               '-Wno-c++11-extensions',
 
               # Warns on switches on enums that cover all enum values but
               # also contain a default: branch. Chrome is full of that.
               '-Wno-covered-switch-default',
+
+              '-Wno-sometimes-uninitialized',
+              '-Wno-unused-value',
+              '-Wno-unused-private-field',
             ],
             'cflags!': [
               # Clang doesn't seem to know know this flag.
               '-mfpmath=sse',
             ],
           }],
           ['clang==1 and clang_use_chrome_plugins==1', {
             'cflags': [
               '<@(clang_chrome_plugins_flags)',
             ],
           }],
           ['clang==1 and clang_load!=""', {
             'cflags': [
               '-Xclang', '-load', '-Xclang', '<(clang_load)',
             ],
           }],
           ['clang==1 and clang_add_plugin!=""', {
             'cflags': [
               '-Xclang', '-add-plugin', '-Xclang', '<(clang_add_plugin)',
             ],
           }],
           ['clang==1 and "<(GENERATOR)"=="ninja"', {
             'cflags': [
               # See http://crbug.com/110262
               '-fcolor-diagnostics',
             ],
           }],
+          ['clang==1 and clang_allocated_type==1', {
+            'cflags_cc!': ['-fno-rtti'],
+            'cflags_cc+': [
+              '-frtti',
+              '-fallocated-type-in-operator-new',
+              '-I../../base/allocator',
+              '-include',
+              'new_delete_type.h',
+            ],
+            'defines': ['USE_NEW_DELETE_TYPE'],
+          }],
           ['asan==1', {
             'target_conditions': [
               ['_toolset=="target"', {
                   'cflags': [
                       '-faddress-sanitizer',
                       '-fno-omit-frame-pointer',
                       '-w',
                   ],
                   'ldflags': [
                       '-faddress-sanitizer',
@@ skipping 392 matching lines @@
                 '-Wno-unused-function',
                 # See comments on this flag higher up in this file.
                 '-Wno-unnamed-type-template-args',
                 # This (rightyfully) complains about 'override', which we use
                 # heavily.
                 '-Wno-c++11-extensions',
 
                 # Warns on switches on enums that cover all enum values but
                 # also contain a default: branch. Chrome is full of that.
                 '-Wno-covered-switch-default',
+

[Dai Mikurube (NOT FULLTIME), 2012/06/15 19:54:34]

Add -Wno-unused-private-field here.

+                '-Wno-sometimes-uninitialized',
+                '-Wno-unused-value',
               ],
             }],
             ['clang==1 and clang_use_chrome_plugins==1', {
               'OTHER_CFLAGS': [
                 '<@(clang_chrome_plugins_flags)',
               ],
             }],
             ['clang==1 and clang_load!=""', {
               'OTHER_CFLAGS': [
                 '-Xclang', '-load', '-Xclang', '<(clang_load)',
@@ skipping 462 matching lines @@
     # settings in target dicts.  SYMROOT is a special case, because many other
     # Xcode variables depend on it, including variables such as
     # PROJECT_DERIVED_FILE_DIR.  When a source group corresponding to something
     # like PROJECT_DERIVED_FILE_DIR is added to a project, in order for the
     # files to appear (when present) in the UI as actual files and not red
     # red "missing file" proxies, the correct path to PROJECT_DERIVED_FILE_DIR,
     # and therefore SYMROOT, needs to be set at the project level.
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }