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Diffstat (limited to '')
-rw-r--r-- | toolkit/crashreporter/google-breakpad/src/google_breakpad/processor/memory_region.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/toolkit/crashreporter/google-breakpad/src/google_breakpad/processor/memory_region.h b/toolkit/crashreporter/google-breakpad/src/google_breakpad/processor/memory_region.h new file mode 100644 index 0000000000..30f88df490 --- /dev/null +++ b/toolkit/crashreporter/google-breakpad/src/google_breakpad/processor/memory_region.h @@ -0,0 +1,79 @@ +// Copyright (c) 2010 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. + +// memory_region.h: Access to memory regions. +// +// A MemoryRegion provides virtual access to a range of memory. It is an +// abstraction allowing the actual source of memory to be independent of +// methods which need to access a virtual memory space. +// +// Author: Mark Mentovai + +#ifndef GOOGLE_BREAKPAD_PROCESSOR_MEMORY_REGION_H__ +#define GOOGLE_BREAKPAD_PROCESSOR_MEMORY_REGION_H__ + + +#include "google_breakpad/common/breakpad_types.h" + + +namespace google_breakpad { + + +class MemoryRegion { + public: + virtual ~MemoryRegion() {} + + // The base address of this memory region. + virtual uint64_t GetBase() const = 0; + + // The size of this memory region. + virtual uint32_t GetSize() const = 0; + + // Access to data of various sizes within the memory region. address + // is a pointer to read, and it must lie within the memory region as + // defined by its base address and size. The location pointed to by + // value is set to the value at address. Byte-swapping is performed + // if necessary so that the value is appropriate for the running + // program. Returns true on success. Fails and returns false if address + // is out of the region's bounds (after considering the width of value), + // or for other types of errors. + virtual bool GetMemoryAtAddress(uint64_t address, uint8_t* value) const = 0; + virtual bool GetMemoryAtAddress(uint64_t address, uint16_t* value) const = 0; + virtual bool GetMemoryAtAddress(uint64_t address, uint32_t* value) const = 0; + virtual bool GetMemoryAtAddress(uint64_t address, uint64_t* value) const = 0; + + // Print a human-readable representation of the object to stdout. + virtual void Print() const = 0; +}; + + +} // namespace google_breakpad + + +#endif // GOOGLE_BREAKPAD_PROCESSOR_MEMORY_REGION_H__ |