src/client/linux/dump_writer_common/mapping_info.h

// Copyright (c) 2014, Google Inc.
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#ifndef CLIENT_LINUX_DUMP_WRITER_COMMON_MAPPING_INFO_H_
#define CLIENT_LINUX_DUMP_WRITER_COMMON_MAPPING_INFO_H_

#include <limits.h>
#include <list>
#include <stdint.h>

#include "google_breakpad/common/minidump_format.h"

namespace google_breakpad {

// One of these is produced for each mapping in the process (i.e. line in
// /proc/$x/maps).
struct MappingInfo {
  // On Android, relocation packing can mean that the reported start
  // address of the mapping must be adjusted by a bias in order to
  // compensate for the compression of the relocation section. The
  // following two members hold (after LateInit) the adjusted mapping
  // range. See crbug.com/606972 for more information.
  uintptr_t start_addr;
  size_t size;
  // When Android relocation packing causes |start_addr| and |size| to
  // be modified with a load bias, we need to remember the unbiased
  // address range. The following structure holds the original mapping
  // address range as reported by the operating system.
  struct {
    uintptr_t start_addr;
    uintptr_t end_addr;
  } system_mapping_info;
  size_t offset;  // offset into the backed file.
  bool exec;  // true if the mapping has the execute bit set.
  char name[NAME_MAX];
};

struct MappingEntry {
  MappingInfo first;
  uint8_t second[sizeof(MDGUID)];
};

// A list of <MappingInfo, GUID>
typedef std::list<MappingEntry> MappingList;

}  // namespace google_breakpad

#endif  // CLIENT_LINUX_DUMP_WRITER_COMMON_MAPPING_INFO_H_