Update V8 to r3431 as required by WebKit r51976.

Change-Id: I567392c3f8c0a0d5201a4249611ac4ccf468cd5b

10 files changed, 202 insertions, 26 deletions

diff --git a/tools/codemap.js b/tools/codemap.js
index 404127f2..af511f64 100644
--- a/tools/codemap.js
+++ b/tools/codemap.js
@@ -244,7 +244,7 @@ devtools.profiler.CodeMap.CodeEntry.prototype.toString = function() {
 
 
 devtools.profiler.CodeMap.NameGenerator = function() {
-  this.knownNames_ = [];
+  this.knownNames_ = {};
 };
 
 
diff --git a/tools/gyp/v8.gyp b/tools/gyp/v8.gyp
index 5e2bb88e..ba7224b4 100644
--- a/tools/gyp/v8.gyp
+++ b/tools/gyp/v8.gyp
@@ -81,6 +81,7 @@
           ['OS=="linux"', {
             'cflags!': [
               '-O2',
+              '-Os',
             ],
             'cflags': [
               '-fomit-frame-pointer',
@@ -156,8 +157,8 @@
       'target_name': 'v8_snapshot',
       'type': '<(library)',
       'dependencies': [
-        'mksnapshot',
-        'js2c',
+        'mksnapshot#host',
+        'js2c#host',
         'v8_base',
       ],
       'include_dirs+': [
@@ -183,8 +184,9 @@
     {
       'target_name': 'v8_nosnapshot',
       'type': '<(library)',
+      'toolsets': ['host', 'target'],
       'dependencies': [
-        'js2c',
+        'js2c#host',
         'v8_base',
       ],
       'include_dirs+': [
@@ -194,10 +196,21 @@
         '<(SHARED_INTERMEDIATE_DIR)/libraries.cc',
         '../../src/snapshot-empty.cc',
       ],
+      'conditions': [
+        # The ARM assembler assumes the host is 32 bits, so force building
+        # 32-bit host tools.
+        # TODO(piman): This assumes that the host is ia32 or amd64. Fixing the
+        # code would be better
+        ['target_arch=="arm" and _toolset=="host"', {
+          'cflags': ['-m32'],
+          'ldflags': ['-m32'],
+        }]
+      ]
     },
     {
       'target_name': 'v8_base',
       'type': '<(library)',
+      'toolsets': ['host', 'target'],
       'include_dirs+': [
         '../../src',
       ],
@@ -293,7 +306,6 @@
         '../../src/jsregexp.h',
         '../../src/list-inl.h',
         '../../src/list.h',
-        '../../src/location.h',
         '../../src/log-inl.h',
         '../../src/log-utils.cc',
         '../../src/log-utils.h',
@@ -394,6 +406,7 @@
             '../../src/arm/codegen-arm.cc',
             '../../src/arm/codegen-arm.h',
             '../../src/arm/constants-arm.h',
+            '../../src/arm/constants-arm.cc',
             '../../src/arm/cpu-arm.cc',
             '../../src/arm/debug-arm.cc',
             '../../src/arm/disasm-arm.cc',
@@ -412,6 +425,16 @@
             '../../src/arm/virtual-frame-arm.cc',
             '../../src/arm/virtual-frame-arm.h',
           ],
+          'conditions': [
+            # The ARM assembler assumes the host is 32 bits, so force building
+            # 32-bit host tools.
+            # TODO(piman): This assumes that the host is ia32 or amd64. Fixing
+            # the code would be better
+            ['_toolset=="host"', {
+              'cflags': ['-m32'],
+              'ldflags': ['-m32'],
+            }]
+          ]
         }],
         ['target_arch=="ia32"', {
           'include_dirs+': [
@@ -483,6 +506,17 @@
             ],
           }
         ],
+        ['OS=="openbsd"', {
+            'link_settings': {
+              'libraries': [
+                '-L/usr/local/lib -lexecinfo',
+            ]},
+            'sources': [
+              '../../src/platform-openbsd.cc',
+              '../../src/platform-posix.cc'
+            ],
+          }
+        ],
         ['OS=="mac"', {
           'sources': [
             '../../src/platform-macos.cc',
@@ -508,6 +542,7 @@
     {
       'target_name': 'js2c',
       'type': 'none',
+      'toolsets': ['host'],
       'variables': {
         'library_files': [
           '../../src/runtime.js',
@@ -550,6 +585,7 @@
     {
       'target_name': 'mksnapshot',
       'type': 'executable',
+      'toolsets': ['host'],
       'dependencies': [
         'v8_nosnapshot',
       ],
@@ -559,6 +595,16 @@
       'sources': [
         '../../src/mksnapshot.cc',
       ],
+      'conditions': [
+        # The ARM assembler assumes the host is 32 bits, so force building
+        # 32-bit host tools.
+        # TODO(piman): This assumes that the host is ia32 or amd64. Fixing
+        # the code would be better
+        ['target_arch=="arm" and _toolset=="host"', {
+          'cflags': ['-m32'],
+          'ldflags': ['-m32'],
+        }]
+      ]
     },
     {
       'target_name': 'v8_shell',
diff --git a/tools/js2c.py b/tools/js2c.py
index 2b7dbdfb..b889530d 100755
--- a/tools/js2c.py
+++ b/tools/js2c.py
@@ -301,7 +301,7 @@ def JS2C(source, target, env):
     else:
       ids.append((id, len(lines)))
     source_lines.append(SOURCE_DECLARATION % { 'id': id, 'data': data })
-    source_lines_empty.append(SOURCE_DECLARATION % { 'id': id, 'data': 0 })
+    source_lines_empty.append(SOURCE_DECLARATION % { 'id': id, 'data': data })
 
   # Build delay support functions
   get_index_cases = [ ]
diff --git a/tools/presubmit.py b/tools/presubmit.py
index c4f78536..3f27c001 100755
--- a/tools/presubmit.py
+++ b/tools/presubmit.py
@@ -28,9 +28,11 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 
+import md5
 import optparse
 import os
 from os.path import abspath, join, dirname, basename, exists
+import pickle
 import re
 import sys
 import subprocess
@@ -93,6 +95,50 @@ whitespace/todo
 """.split()
 
 
+class FileContentsCache(object):
+
+  def __init__(self, sums_file_name):
+    self.sums = {}
+    self.sums_file_name = sums_file_name
+
+  def Load(self):
+    try:
+      sums_file = None
+      try:
+        sums_file = open(self.sums_file_name, 'r')
+        self.sums = pickle.load(sums_file)
+      except IOError:
+        # File might not exist, this is OK.
+        pass
+    finally:
+      if sums_file:
+        sums_file.close()
+
+  def Save(self):
+    try:
+      sums_file = open(self.sums_file_name, 'w')
+      pickle.dump(self.sums, sums_file)
+    finally:
+      sums_file.close()
+
+  def FilterUnchangedFiles(self, files):
+    changed_or_new = []
+    for file in files:
+      try:
+        handle = open(file, "r")
+        file_sum = md5.new(handle.read()).digest()
+        if not file in self.sums or self.sums[file] != file_sum:
+          changed_or_new.append(file)
+          self.sums[file] = file_sum
+      finally:
+        handle.close()
+    return changed_or_new
+
+  def RemoveFile(self, file):
+    if file in self.sums:
+      self.sums.pop(file)
+
+
 class SourceFileProcessor(object):
   """
   Utility class that can run through a directory structure, find all relevant
@@ -108,7 +154,7 @@ class SourceFileProcessor(object):
     return True
 
   def IgnoreDir(self, name):
-    return name.startswith('.') or name == 'data'
+    return name.startswith('.') or name == 'data' or name == 'sputniktests'
 
   def IgnoreFile(self, name):
     return name.startswith('.')
@@ -137,7 +183,7 @@ class CppLintProcessor(SourceFileProcessor):
               or (name == 'third_party'))
 
   IGNORE_LINT = ['flag-definitions.h']
-  
+
   def IgnoreFile(self, name):
     return (super(CppLintProcessor, self).IgnoreFile(name)
               or (name in CppLintProcessor.IGNORE_LINT))
@@ -146,13 +192,32 @@ class CppLintProcessor(SourceFileProcessor):
     return ['src', 'public', 'samples', join('test', 'cctest')]
 
   def ProcessFiles(self, files, path):
+    good_files_cache = FileContentsCache('.cpplint-cache')
+    good_files_cache.Load()
+    files = good_files_cache.FilterUnchangedFiles(files)
+    if len(files) == 0:
+      print 'No changes in files detected. Skipping cpplint check.'
+      return True
+
     filt = '-,' + ",".join(['+' + n for n in ENABLED_LINT_RULES])
     command = ['cpplint.py', '--filter', filt] + join(files)
     local_cpplint = join(path, "tools", "cpplint.py")
     if exists(local_cpplint):
       command = ['python', local_cpplint, '--filter', filt] + join(files)
-    process = subprocess.Popen(command)
-    return process.wait() == 0
+
+    process = subprocess.Popen(command, stderr=subprocess.PIPE)
+    LINT_ERROR_PATTERN = re.compile(r'^(.+)[:(]\d+[:)]')
+    while True:
+      out_line = process.stderr.readline()
+      if out_line == '' and process.poll() != None:
+        break
+      sys.stderr.write(out_line)
+      m = LINT_ERROR_PATTERN.match(out_line)
+      if m:
+        good_files_cache.RemoveFile(m.group(1))
+
+    good_files_cache.Save()
+    return process.returncode == 0
 
 
 COPYRIGHT_HEADER_PATTERN = re.compile(
diff --git a/tools/process-heap-prof.py b/tools/process-heap-prof.py
index ff83952e..6a2c3978 100755
--- a/tools/process-heap-prof.py
+++ b/tools/process-heap-prof.py
@@ -40,9 +40,14 @@
 # to get JS constructor profile
 
 
-import csv, sys, time
+import csv, sys, time, optparse
 
-def process_logfile(filename, itemname):
+def ProcessLogFile(filename, options):
+  if options.js_cons_profile:
+    itemname = 'heap-js-cons-item'
+  else:
+    itemname = 'heap-sample-item'
+  
   first_call_time = None
   sample_time = 0.0
   sampling = False
@@ -68,13 +73,48 @@ def process_logfile(filename, itemname):
           print('END_SAMPLE %.2f' % sample_time)
           sampling = False
         elif row[0] == itemname and sampling:
-          print('%s %d' % (row[1], int(row[3])))
+          print(row[1]),
+          if options.count:
+            print('%d' % (int(row[2]))),
+          if options.size:
+            print('%d' % (int(row[3]))),
+          print
     finally:
       logfile.close()
   except:
     sys.exit('can\'t open %s' % filename)
 
-if sys.argv[1] == '--js-cons-profile':
-  process_logfile(sys.argv[2], 'heap-js-cons-item')
-else:
-  process_logfile(sys.argv[1], 'heap-sample-item')
+
+def BuildOptions():
+  result = optparse.OptionParser()
+  result.add_option("--js_cons_profile", help="Constructor profile",
+      default=False, action="store_true")
+  result.add_option("--size", help="Report object size",
+      default=False, action="store_true")
+  result.add_option("--count", help="Report object count",
+      default=False, action="store_true")
+  return result
+
+
+def ProcessOptions(options):
+  if not options.size and not options.count:
+    options.size = True
+  return True
+
+
+def Main():
+  parser = BuildOptions()
+  (options, args) = parser.parse_args()
+  if not ProcessOptions(options):
+    parser.print_help()
+    sys.exit();
+  
+  if not args:
+    print "Missing logfile"
+    sys.exit();
+    
+  ProcessLogFile(args[0], options)
+
+
+if __name__ == '__main__':
+  sys.exit(Main())
diff --git a/tools/test.py b/tools/test.py
index 586925ae..75b4f61f 100755
--- a/tools/test.py
+++ b/tools/test.py
@@ -359,8 +359,19 @@ class TestCase(object):
     self.Cleanup()
     return TestOutput(self, full_command, output)
 
+  def BeforeRun(self):
+    pass
+
+  def AfterRun(self):
+    pass
+
   def Run(self):
-    return self.RunCommand(self.GetCommand())
+    self.BeforeRun()
+    try:
+      result = self.RunCommand(self.GetCommand())
+    finally:
+      self.AfterRun()
+    return result
 
   def Cleanup(self):
     return
@@ -1094,6 +1105,8 @@ def BuildOptions():
       default=60, type="int")
   result.add_option("--arch", help='The architecture to run tests for',
       default='none')
+  result.add_option("--snapshot", help="Run the tests with snapshot turned on",
+      default=False, action="store_true")
   result.add_option("--simulator", help="Run tests with architecture simulator",
       default='none')
   result.add_option("--special-command", default=None)
@@ -1139,6 +1152,8 @@ def ProcessOptions(options):
     if options.arch == 'none':
       options.arch = ARCH_GUESS
     options.scons_flags.append("arch=" + options.arch)
+  if options.snapshot:
+    options.scons_flags.append("snapshot=on")
   return True
 
 
diff --git a/tools/utils.py b/tools/utils.py
index 78d1e0d6..196bb055 100644
--- a/tools/utils.py
+++ b/tools/utils.py
@@ -55,6 +55,8 @@ def GuessOS():
     return 'win32'
   elif id == 'FreeBSD':
     return 'freebsd'
+  elif id == 'OpenBSD':
+    return 'openbsd'
   else:
     return None
 
diff --git a/tools/v8.xcodeproj/project.pbxproj b/tools/v8.xcodeproj/project.pbxproj
index d2af6262..3ffd1829 100644
--- a/tools/v8.xcodeproj/project.pbxproj
+++ b/tools/v8.xcodeproj/project.pbxproj
@@ -214,6 +214,10 @@
 		9F4B7B8A0FCC877A00DC4117 /* log-utils.cc in Sources */ = {isa = PBXBuildFile; fileRef = 9F4B7B870FCC877A00DC4117 /* log-utils.cc */; };
 		9F92FAA90F8F28AD0089F02C /* func-name-inferrer.cc in Sources */ = {isa = PBXBuildFile; fileRef = 9F92FAA70F8F28AD0089F02C /* func-name-inferrer.cc */; };
 		9F92FAAA0F8F28AD0089F02C /* func-name-inferrer.cc in Sources */ = {isa = PBXBuildFile; fileRef = 9F92FAA70F8F28AD0089F02C /* func-name-inferrer.cc */; };
+		9FBE03DE10BD409900F8BFBA /* fast-codegen.cc in Sources */ = {isa = PBXBuildFile; fileRef = 9FBE03DC10BD409900F8BFBA /* fast-codegen.cc */; };
+		9FBE03DF10BD409900F8BFBA /* fast-codegen.cc in Sources */ = {isa = PBXBuildFile; fileRef = 9FBE03DC10BD409900F8BFBA /* fast-codegen.cc */; };
+		9FBE03E210BD40EA00F8BFBA /* fast-codegen-ia32.cc in Sources */ = {isa = PBXBuildFile; fileRef = 9FBE03E110BD40EA00F8BFBA /* fast-codegen-ia32.cc */; };
+		9FBE03E510BD412600F8BFBA /* fast-codegen-arm.cc in Sources */ = {isa = PBXBuildFile; fileRef = 9FBE03E410BD412600F8BFBA /* fast-codegen-arm.cc */; };
 		9FC86ABD0F5FEDAC00F22668 /* oprofile-agent.cc in Sources */ = {isa = PBXBuildFile; fileRef = 9FC86ABB0F5FEDAC00F22668 /* oprofile-agent.cc */; };
 		9FC86ABE0F5FEDAC00F22668 /* oprofile-agent.cc in Sources */ = {isa = PBXBuildFile; fileRef = 9FC86ABB0F5FEDAC00F22668 /* oprofile-agent.cc */; };
 /* End PBXBuildFile section */
@@ -550,6 +554,10 @@
 		9F4B7B880FCC877A00DC4117 /* log-utils.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "log-utils.h"; sourceTree = "<group>"; };
 		9F92FAA70F8F28AD0089F02C /* func-name-inferrer.cc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = "func-name-inferrer.cc"; sourceTree = "<group>"; };
 		9F92FAA80F8F28AD0089F02C /* func-name-inferrer.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "func-name-inferrer.h"; sourceTree = "<group>"; };
+		9FBE03DC10BD409900F8BFBA /* fast-codegen.cc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = "fast-codegen.cc"; sourceTree = "<group>"; };
+		9FBE03DD10BD409900F8BFBA /* fast-codegen.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "fast-codegen.h"; sourceTree = "<group>"; };
+		9FBE03E110BD40EA00F8BFBA /* fast-codegen-ia32.cc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = "fast-codegen-ia32.cc"; path = "ia32/fast-codegen-ia32.cc"; sourceTree = "<group>"; };
+		9FBE03E410BD412600F8BFBA /* fast-codegen-arm.cc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = "fast-codegen-arm.cc"; path = "arm/fast-codegen-arm.cc"; sourceTree = "<group>"; };
 		9FC86ABB0F5FEDAC00F22668 /* oprofile-agent.cc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = "oprofile-agent.cc"; sourceTree = "<group>"; };
 		9FC86ABC0F5FEDAC00F22668 /* oprofile-agent.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "oprofile-agent.h"; sourceTree = "<group>"; };
 /* End PBXFileReference section */
@@ -715,6 +723,10 @@
 				897FF1310E719B8F00D62E90 /* execution.h */,
 				897FF1320E719B8F00D62E90 /* factory.cc */,
 				897FF1330E719B8F00D62E90 /* factory.h */,
+				9FBE03DC10BD409900F8BFBA /* fast-codegen.cc */,
+				9FBE03DD10BD409900F8BFBA /* fast-codegen.h */,
+				9FBE03E410BD412600F8BFBA /* fast-codegen-arm.cc */,
+				9FBE03E110BD40EA00F8BFBA /* fast-codegen-ia32.cc */,
 				89471C7F0EB23EE400B6874B /* flag-definitions.h */,
 				897FF1350E719B8F00D62E90 /* flags.cc */,
 				897FF1360E719B8F00D62E90 /* flags.h */,
@@ -1225,6 +1237,8 @@
 				9F4B7B890FCC877A00DC4117 /* log-utils.cc in Sources */,
 				8981F6001010501900D1520E /* frame-element.cc in Sources */,
 				9F11D9A0105AF0A300EBE5B2 /* heap-profiler.cc in Sources */,
+				9FBE03DE10BD409900F8BFBA /* fast-codegen.cc in Sources */,
+				9FBE03E210BD40EA00F8BFBA /* fast-codegen-ia32.cc in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -1332,6 +1346,8 @@
 				9F4B7B8A0FCC877A00DC4117 /* log-utils.cc in Sources */,
 				8981F6011010502800D1520E /* frame-element.cc in Sources */,
 				9F11D9A1105AF0A300EBE5B2 /* heap-profiler.cc in Sources */,
+				9FBE03DF10BD409900F8BFBA /* fast-codegen.cc in Sources */,
+				9FBE03E510BD412600F8BFBA /* fast-codegen-arm.cc in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
diff --git a/tools/visual_studio/v8_base.vcproj b/tools/visual_studio/v8_base.vcproj
index fc7402ae..6b473597 100644
--- a/tools/visual_studio/v8_base.vcproj
+++ b/tools/visual_studio/v8_base.vcproj
@@ -557,10 +557,6 @@
 				>
 			</File>
 			<File
-				RelativePath="..\..\src\location.h"
-				>
-			</File>
-			<File
 				RelativePath="..\..\src\log.cc"
 				>
 			</File>
diff --git a/tools/visual_studio/v8_base_arm.vcproj b/tools/visual_studio/v8_base_arm.vcproj
index fca4a960..afb4f74b 100644
--- a/tools/visual_studio/v8_base_arm.vcproj
+++ b/tools/visual_studio/v8_base_arm.vcproj
@@ -561,10 +561,6 @@
 				>
 			</File>
 			<File
-				RelativePath="..\..\src\location.h"
-				>
-			</File>
-			<File
 				RelativePath="..\..\src\log.cc"
 				>
 			</File>