Update breakpad to make it work with MinGW

thirdparty/breakpad/common/windows/omap_internal.h

@@ -0,0 +1,137 @@
+// 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.
+//     * 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.
+
+// Declares internal implementation details for functionality in omap.h and
+// omap.cc.
+
+#ifndef COMMON_WINDOWS_OMAP_INTERNAL_H__
+#define COMMON_WINDOWS_OMAP_INTERNAL_H__
+
+#include <windows.h>
+#include <dia2.h>
+
+#include <vector>
+
+namespace google_breakpad {
+
+// The OMAP struct is defined by debughlp.h, which doesn't play nicely with
+// imagehlp.h. We simply redefine it.
+struct OMAP {
+  DWORD rva;
+  DWORD rvaTo;
+};
+static_assert(sizeof(OMAP) == 8, "Wrong size for OMAP structure.");
+typedef std::vector<OMAP> OmapTable;
+
+// This contains the OMAP data extracted from an image.
+struct OmapData {
+  // The table of OMAP entries describing the transformation from the
+  // original image to the transformed image.
+  OmapTable omap_from;  
+  // The table of OMAP entries describing the transformation from the
+  // instrumented image to the original image.
+  OmapTable omap_to;
+  // The length of the original untransformed image.
+  DWORD length_original;
+
+  OmapData() : length_original(0) { }
+};
+
+// This represents a range of addresses in an image.
+struct AddressRange {
+  DWORD rva;
+  DWORD length;
+
+  AddressRange() : rva(0), length(0) { }
+  AddressRange(DWORD rva, DWORD length) : rva(rva), length(length) { }
+
+  // Returns the end address of this range.
+  DWORD end() const { return rva + length; }
+
+  // Addreses only compare as less-than or greater-than if they are not
+  // overlapping. Otherwise, they compare equal.
+  int Compare(const AddressRange& rhs) const;
+  bool operator<(const AddressRange& rhs) const { return Compare(rhs) == -1; }
+  bool operator>(const AddressRange& rhs) const { return Compare(rhs) == 1; }
+
+  // Equality operators compare exact values.
+  bool operator==(const AddressRange& rhs) const {
+    return rva == rhs.rva && length == rhs.length;
+  }
+  bool operator!=(const  AddressRange& rhs) const { return !((*this) == rhs); }
+};
+
+typedef std::vector<AddressRange> AddressRangeVector;
+
+// This represents an address range in an original image, and its corresponding
+// range in the transformed image.
+struct MappedRange {
+  // An address in the original image.
+  DWORD rva_original;
+  // The corresponding addresses in the transformed image.
+  DWORD rva_transformed;
+  // The length of the address range.
+  DWORD length;
+  // It is possible for code to be injected into a transformed image, for which
+  // there is no corresponding code in the original image. If this range of
+  // transformed image is immediately followed by such injected code we maintain
+  // a record of its length here.
+  DWORD injected;
+  // It is possible for code to be removed from the original image. This happens
+  // for things like padding between blocks. There is no actual content lost,
+  // but the spacing between items may be lost. This keeps track of any removed
+  // content immediately following the |original| range.
+  DWORD removed;
+};
+// A vector of mapped ranges is used as a more useful representation of
+// OMAP data.
+typedef std::vector<MappedRange> Mapping;
+
+// Used as a secondary search structure accompanying a Mapping.
+struct EndpointIndex {
+  DWORD endpoint;
+  size_t index;
+};
+typedef std::vector<EndpointIndex> EndpointIndexMap;
+
+// An ImageMap is vector of mapped ranges, plus a secondary index into it for
+// doing interval searches. (An interval tree would also work, but is overkill
+// because we don't need insertion and deletion.)
+struct ImageMap {
+  // This is a description of the mapping between original and transformed
+  // image, sorted by addresses in the original image.
+  Mapping mapping;
+  // For all interval endpoints in |mapping| this stores the minimum index of
+  // an interval in |mapping| that contains the endpoint. Useful for doing
+  // interval intersection queries.
+  EndpointIndexMap endpoint_index_map;
+};
+
+}  // namespace google_breakpad
+
+#endif  // COMMON_WINDOWS_OMAP_INTERNAL_H__