Add sandbox support for AsanCoverage.

content/gpu/gpu_main.cc

 // 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.
 
 #include <stdlib.h>
 
 #if defined(OS_WIN)
 #include <dwmapi.h>
 #include <windows.h>
 #endif
@@ skipping 33 matching lines @@
 #endif
 
 #if defined(USE_X11)
 #include "ui/base/x/x11_util.h"
 #endif
 
 #if defined(OS_LINUX)
 #include "content/public/common/sandbox_init.h"
 #endif
 
+#if defined(ADDRESS_SANITIZER)
+#include <sanitizer/asan_interface.h>
+#endif
+
 const int kGpuTimeout = 10000;
 
 namespace content {
 
 namespace {
 
 bool WarmUpSandbox(const CommandLine& command_line);
 #if defined(OS_LINUX)
 bool StartSandboxLinux(const gpu::GPUInfo&, GpuWatchdogThread*, bool);
 #elif defined(OS_WIN)
@@ skipping 355 matching lines @@
 
   bool res = false;
 
   WarmUpSandboxNvidia(gpu_info, should_initialize_gl_context);
 
   if (watchdog_thread) {
     // LinuxSandbox needs to be able to ensure that the thread
     // has really been stopped.
     LinuxSandbox::StopThread(watchdog_thread);
   }
+
+#if defined(ADDRESS_SANITIZER)
+  LinuxSandbox* linux_sandbox = LinuxSandbox::GetInstance();
+  struct __sanitizer_sandbox_arguments* sanitizer_args =
+      new struct __sanitizer_sandbox_arguments;
+  memset(sanitizer_args, 0, sizeof(*sanitizer_args));

[jln (very slow on Chromium), 2014/05/13 01:17:35]

*sanitizer_args = {0}; instead?

[earthdok, 2014/05/14 17:00:26]

Done.

+  sanitizer_args->coverage_sandboxed = 1;
+  sanitizer_args->coverage_fd = -1;
+
+  linux_sandbox->SetSanitizerArgs(sanitizer_args);
+#endif
+
   // LinuxSandbox::InitializeSandbox() must always be called
   // with only one thread.
   res = LinuxSandbox::InitializeSandbox();
   if (watchdog_thread) {
     watchdog_thread->Start();
   }
 
   return res;
 }
 #endif  // defined(OS_LINUX)
@@ skipping 11 matching lines @@
     return true;
   }
 
   return false;
 }
 #endif  // defined(OS_WIN)
 
 }  // namespace.
 
 }  // namespace content