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Diffstat (limited to '3rdParty/Breakpad/src/common/mac/super_fat_arch.h')
-rw-r--r--3rdParty/Breakpad/src/common/mac/super_fat_arch.h88
1 files changed, 88 insertions, 0 deletions
diff --git a/3rdParty/Breakpad/src/common/mac/super_fat_arch.h b/3rdParty/Breakpad/src/common/mac/super_fat_arch.h
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+// Copyright (c) 2015, 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.
+
+// Original author: Erik Chen <erikchen@chromium.org>
+
+// super_fat_arch.h: A class to handle 64-bit object files. Has conversions to
+// and from struct fat_arch.
+
+#ifndef BREAKPAD_COMMON_MAC_SUPER_FAT_ARCH_H_
+#define BREAKPAD_COMMON_MAC_SUPER_FAT_ARCH_H_
+
+#include <limits>
+#include <mach-o/fat.h>
+#include <stdint.h>
+
+// Similar to struct fat_arch, except size-related parameters support
+// 64-bits.
+class SuperFatArch {
+ public:
+ uint32_t cputype;
+ uint32_t cpusubtype;
+ uint64_t offset;
+ uint64_t size;
+ uint64_t align;
+
+ SuperFatArch() :
+ cputype(0),
+ cpusubtype(0),
+ offset(0),
+ size(0),
+ align(0) {
+ }
+
+ explicit SuperFatArch(const struct fat_arch &arch) :
+ cputype(arch.cputype),
+ cpusubtype(arch.cpusubtype),
+ offset(arch.offset),
+ size(arch.size),
+ align(arch.align) {
+ }
+
+ // Returns false if the conversion cannot be made.
+ // If the conversion succeeds, the result is placed in |output_arch|.
+ bool ConvertToFatArch(struct fat_arch* output_arch) const {
+ if (offset > std::numeric_limits<uint32_t>::max())
+ return false;
+ if (size > std::numeric_limits<uint32_t>::max())
+ return false;
+ if (align > std::numeric_limits<uint32_t>::max())
+ return false;
+ struct fat_arch arch;
+ arch.cputype = cputype;
+ arch.cpusubtype = cpusubtype;
+ arch.offset = offset;
+ arch.size = size;
+ arch.align = align;
+ *output_arch = arch;
+ return true;
+ }
+};
+
+#endif // BREAKPAD_COMMON_MAC_SUPER_FAT_ARCH_H_