Add base to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@8 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 88 insertions, 0 deletions

diff --git a/base/image_util.h b/base/image_util.h
new file mode 100644
index 0000000..094da08
--- /dev/null
+++ b/base/image_util.h
@@ -0,0 +1,88 @@
+// Copyright 2008, Google Inc.
+// 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 with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// This file/namespace contains utility functions for gathering
+// information about PE (Portable Executable) headers within
+// images (dll's / exe's )
+
+#ifndef BASE_IMAGE_UTIL_H__
+#define BASE_IMAGE_UTIL_H__
+
+#include <vector>
+#include "base/basictypes.h"
+#include <windows.h>
+
+namespace image_util {
+
+// Contains both the PE section name (.text, .reloc etc) and its size.
+struct ImageSectionData {
+  std::string name;
+  size_t size_in_bytes;
+  ImageSectionData (const std::string& section_name, size_t section_size) :
+      name (section_name), size_in_bytes(section_size) {
+  }
+};
+
+typedef std::vector<ImageSectionData> ImageSectionsData;
+
+// Provides image statistics for modules of a specified process, or for the
+// specified process' own executable file. To use, invoke CreateImageMetrics()
+// to get an instance for a specified process, then access the information via
+// methods.
+class ImageMetrics {
+  public:
+    // Creates an ImageMetrics instance for given process owned by
+    // the caller.
+    explicit ImageMetrics(HANDLE process);
+    ~ImageMetrics();
+
+    // Fills a vector of ImageSectionsData containing name/size info
+    // for every section found in the specified dll's PE section table.
+    // The DLL must be loaded by the process associated with this ImageMetrics
+    // instance.
+    bool GetDllImageSectionData(const std::string& loaded_dll_name,
+        ImageSectionsData* section_sizes);
+
+    // Fills a vector if ImageSectionsData containing name/size info
+    // for every section found in the executable file of the process
+    // associated with this ImageMetrics instance.
+    bool GetProcessImageSectionData(ImageSectionsData* section_sizes);
+
+  private:
+    // Helper for GetDllImageSectionData and GetProcessImageSectionData
+    bool GetImageSectionSizes(char* qualified_path, ImageSectionsData* result);
+
+    HANDLE process_;
+
+    DISALLOW_EVIL_CONSTRUCTORS(ImageMetrics);
+};
+
+} // namespace image_util
+
+#endif
\ No newline at end of file