73 lines
3.6 KiB
C
73 lines
3.6 KiB
C
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// Copyright 2013 Google LLC
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google LLC nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Provides an API for mapping symbols through OMAP information, if a PDB file
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// is augmented with it. This allows breakpad to work with addresses in
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// transformed images by transforming the symbols themselves, rather than
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// transforming addresses prior to querying symbols (the way it is typically
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// done by Windows-native tools, including the DIA).
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#ifndef COMMON_WINDOWS_OMAP_H_
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#define COMMON_WINDOWS_OMAP_H_
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#include "common/windows/omap_internal.h"
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namespace google_breakpad {
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// If the given session contains OMAP data this extracts it, populating
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// |omap_data|, and then disabling automatic translation for the session.
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// OMAP data is present in the PDB if |omap_data| is not empty. This returns
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// true on success, false otherwise.
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bool GetOmapDataAndDisableTranslation(IDiaSession* dia_session,
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OmapData* omap_data);
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// Given raw OMAP data builds an ImageMap. This can be used to query individual
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// image ranges using MapAddressRange.
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// |omap_data|| is the OMAP data extracted from the PDB.
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// |image_map| will be populated with a description of the image mapping. If
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// |omap_data| is empty then this will also be empty.
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void BuildImageMap(const OmapData& omap_data, ImageMap* image_map);
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// Given an address range in the original image space determines how exactly it
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// has been tranformed.
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// |omap_data| is the OMAP data extracted from the PDB, which must not be
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// empty.
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// |original_range| is the address range in the original image being queried.
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// |mapped_ranges| will be populated with a full description of the mapping.
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// They may be disjoint in the transformed image so a vector is needed to
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// fully represent the mapping. This will be appended to if it is not
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// empty. If |omap_data| is empty then |mapped_ranges| will simply be
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// populated with a copy of |original_range| (the identity transform).
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void MapAddressRange(const ImageMap& image_map,
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const AddressRange& original_range,
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AddressRangeVector* mapped_ranges);
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} // namespace google_breakpad
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#endif // COMMON_WINDOWS_OMAP_H_
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