| // Copyright 2013 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. |
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| // 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 |
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| |
| // Provides an API for mapping symbols through OMAP information, if a PDB file |
| // is augmented with it. This allows breakpad to work with addresses in |
| // transformed images by transforming the symbols themselves, rather than |
| // transforming addresses prior to querying symbols (the way it is typically |
| // done by Windows-native tools, including the DIA). |
| |
| #ifndef COMMON_WINDOWS_OMAP_H_ |
| #define COMMON_WINDOWS_OMAP_H_ |
| |
| #include "common/windows/omap_internal.h" |
| |
| namespace google_breakpad { |
| |
| // If the given session contains OMAP data this extracts it, populating |
| // |omap_data|, and then disabling automatic translation for the session. |
| // OMAP data is present in the PDB if |omap_data| is not empty. This returns |
| // true on success, false otherwise. |
| bool GetOmapDataAndDisableTranslation(IDiaSession* dia_session, |
| OmapData* omap_data); |
| |
| // Given raw OMAP data builds an ImageMap. This can be used to query individual |
| // image ranges using MapAddressRange. |
| // |omap_data|| is the OMAP data extracted from the PDB. |
| // |image_map| will be populated with a description of the image mapping. If |
| // |omap_data| is empty then this will also be empty. |
| void BuildImageMap(const OmapData& omap_data, ImageMap* image_map); |
| |
| // Given an address range in the original image space determines how exactly it |
| // has been tranformed. |
| // |omap_data| is the OMAP data extracted from the PDB, which must not be |
| // empty. |
| // |original_range| is the address range in the original image being queried. |
| // |mapped_ranges| will be populated with a full description of the mapping. |
| // They may be disjoint in the transformed image so a vector is needed to |
| // fully represent the mapping. This will be appended to if it is not |
| // empty. If |omap_data| is empty then |mapped_ranges| will simply be |
| // populated with a copy of |original_range| (the identity transform). |
| void MapAddressRange(const ImageMap& image_map, |
| const AddressRange& original_range, |
| AddressRangeVector* mapped_ranges); |
| |
| } // namespace google_breakpad |
| |
| #endif // COMMON_WINDOWS_OMAP_H_ |
