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

build/common.gypi

Index: build/common.gypi
diff --git a/build/common.gypi b/build/common.gypi
index 68cadbbdbe48eea8fa2c13e9d3c756f6ac1a1a0b..1276560e266312c9516d5470e02690e2d1d82e62 100644
--- a/build/common.gypi
+++ b/build/common.gypi
@@ -218,6 +218,8 @@
       # 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
@@ -1520,6 +1522,28 @@
       }],
     ],  # 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', {
@@ -2212,6 +2236,10 @@
               # 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.
@@ -2239,6 +2267,17 @@
               '-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"', {
@@ -2651,6 +2690,9 @@
                 # 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', {