[test] Add sanitizer coverage to gyp configs.

build/standalone.gypi

 # Copyright 2012 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 58 matching lines @@
         'host_arch%': '<(host_arch)',
         'target_arch%': '<(host_arch)',
       },
       'host_arch%': '<(host_arch)',
       'target_arch%': '<(target_arch)',
       'v8_target_arch%': '<(target_arch)',
       'asan%': 0,
       'lsan%': 0,
       'msan%': 0,
       'tsan%': 0,
+      # Enable coverage gathering instrumentation in sanitizer tools. This flag
+      # also controls coverage granularity (1 for function-level, 2 for
+      # block-level, 3 for edge-level).
+      'sanitizer_coverage%': 0,
 
       # goma settings.
       # 1 to use goma.
       # If no gomadir is set, it uses the default gomadir.
       'use_goma%': 0,
       'gomadir%': '',
       'conditions': [
         # Set default gomadir.
         ['OS=="win"', {
           'gomadir': 'c:\\goma\\goma-win',
         }, {
           'gomadir': '<!(/bin/echo -n ${HOME}/goma)',
         }],
       ],
     },
     'host_arch%': '<(host_arch)',
     'target_arch%': '<(target_arch)',
     'v8_target_arch%': '<(v8_target_arch)',
     'werror%': '-Werror',
     'use_goma%': '<(use_goma)',
     'gomadir%': '<(gomadir)',
     'asan%': '<(asan)',
     'lsan%': '<(lsan)',
     'msan%': '<(msan)',
     'tsan%': '<(tsan)',
+    'sanitizer_coverage%': '<(sanitizer_coverage)',
 
     # Add a simple extra solely for the purpose of the cctests
     'v8_extra_library_files': ['../test/cctest/test-extra.js'],
 
     # .gyp files or targets should set v8_code to 1 if they build V8 specific
     # code, as opposed to external code.  This variable is used to control such
     # things as the set of warnings to enable, and whether warnings are treated
     # as errors.
     'v8_code%': 0,
 
@@ skipping 200 matching lines @@
                 ],
                 'ldflags': [
                   '-fsanitize=address',
                 ],
                 'defines': [
                   'ADDRESS_SANITIZER',
                 ],
               }],
             ],
           }],
-          # TODO(machenbach): Add sanitizer coverage.
           ['lsan==1', {
             'target_conditions': [
               ['_toolset=="target"', {
                 'cflags': [
                   '-fsanitize=leak',
                 ],
                 'ldflags': [
                   '-fsanitize=leak',
                 ],
                 'defines': [
@@ skipping 35 matching lines @@
             # TODO(machenbach): Share this between all *san configs like in
             # common.gypi.
             'dependencies': [
               # Use libc++ (buildtools/third_party/libc++ and
               # buildtools/third_party/libc++abi) instead of stdlibc++ as
               # standard library. This is intended to be used for for
               # instrumented builds.
               '<(DEPTH)/buildtools/third_party/libc++/libc++.gyp:libcxx_proxy',
             ],
           }],
+          ['sanitizer_coverage!=0', {
+            'target_conditions': [
+              ['_toolset=="target"', {
+                'cflags': [
+                  '-fsanitize-coverage=<(sanitizer_coverage)',
+                ],
+                'defines': [
+                  'SANITIZER_COVERAGE',
+                ],
+              }],
+            ],
+          }],
         ],
       },
     }],
-    ['asan==1 and OS=="mac"', {
+    ['OS=="mac"', {

[Michael Achenbach, 2015/05/27 10:12:33]

Refactoring: I'm nesting the conditions the same way as in common.gypi to ease
copying stuff over. No intentional change to the mac asan config.

       'target_defaults': {
-        'xcode_settings': {
-          'OTHER_CFLAGS+': [
-            '-fno-omit-frame-pointer',
-            '-gline-tables-only',
-            '-fsanitize=address',
-            '-w',  # http://crbug.com/162783
-          ],
-          'OTHER_CFLAGS!': [
-            '-fomit-frame-pointer',
-          ],
-          'defines': [
-            'ADDRESS_SANITIZER',
-          ],
-        },
+       'conditions': [
+          ['asan==1', {
+            'xcode_settings': {
+              # FIXME(machenbach): This is outdated compared to common.gypi.
+              'OTHER_CFLAGS+': [
+                '-fno-omit-frame-pointer',
+                '-gline-tables-only',
+                '-fsanitize=address',
+                '-w',  # http://crbug.com/162783
+              ],
+              'OTHER_CFLAGS!': [
+                '-fomit-frame-pointer',
+              ],
+              'defines': [
+                'ADDRESS_SANITIZER',
+              ],
+            },
+            'dependencies': [
+              '<(DEPTH)/build/mac/asan.gyp:asan_dynamic_runtime',
+            ],
+          }],
+          ['sanitizer_coverage!=0', {
+            'target_conditions': [
+              ['_toolset=="target"', {
+                'cflags': [
+                  '-fsanitize-coverage=<(sanitizer_coverage)',
+                ],
+                'defines': [
+                  'SANITIZER_COVERAGE',
+                ],
+              }],
+            ],
+          }],
+        ],
         'target_conditions': [
           ['_type!="static_library"', {
             'xcode_settings': {'OTHER_LDFLAGS': ['-fsanitize=address']},
           }],
         ],
-        'dependencies': [
-          '<(DEPTH)/build/mac/asan.gyp:asan_dynamic_runtime',
-        ],
-      },
-    }],
+      },  # target_defaults
+    }],  # OS=="mac"
     ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris" \
        or OS=="netbsd" or OS=="aix"', {
       'target_defaults': {
         'cflags': [
           '-Wall',
           '<(werror)',
           '-Wno-unused-parameter',
           '-Wno-long-long',
           '-pthread',
           '-pedantic',
@@ skipping 256 matching lines @@
     ['use_goma==1 and ("<(GENERATOR)"=="ninja" or clang==1)', {
       'make_global_settings': [
        ['CC_wrapper', '<(gomadir)/gomacc'],
        ['CXX_wrapper', '<(gomadir)/gomacc'],
        ['CC.host_wrapper', '<(gomadir)/gomacc'],
        ['CXX.host_wrapper', '<(gomadir)/gomacc'],
       ],
     }],
   ],
 }