section_info.h 2.5 KB

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  1. /*
  2. * Copyright (C) 2011-2016 Intel Corporation. All rights reserved.
  3. *
  4. * Redistribution and use in source and binary forms, with or without
  5. * modification, are permitted provided that the following conditions
  6. * are met:
  7. *
  8. * * Redistributions of source code must retain the above copyright
  9. * notice, this list of conditions and the following disclaimer.
  10. * * Redistributions in binary form must reproduce the above copyright
  11. * notice, this list of conditions and the following disclaimer in
  12. * the documentation and/or other materials provided with the
  13. * distribution.
  14. * * Neither the name of Intel Corporation nor the names of its
  15. * contributors may be used to endorse or promote products derived
  16. * from this software without specific prior written permission.
  17. *
  18. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21. * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22. * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24. * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25. * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26. * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29. *
  30. */
  31. #ifndef _SECTION_INFO_H_
  32. #define _SECTION_INFO_H_
  33. #include "arch.h"
  34. #include "util.h"
  35. #include <vector>
  36. using namespace std;
  37. typedef struct _section_info_t
  38. {
  39. uint8_t *raw_data; //The file pointer to the first page of the section.
  40. uint64_t raw_data_size; //The size of the section or the size of the initialized section on disk.
  41. uint64_t rva; //The address of the first byte of the section relative to the image base when section is loaded into memory.
  42. uint64_t virtual_size; //The total size of the section when loaded into memory.
  43. si_flags_t flag; //the attribute of memory region.
  44. vector<uint8_t> *bitmap; //bitmap of the total image page, if bit is 1, the page should be writable.
  45. //the first bit of scetion in the bitmap is bitmap[(rva >> PAGE_SHIFT) / 8] & (1 << ((rva >> PAGE_SHIFT) % 8))
  46. //if the bitmap is NULL, then no restrict on page attribute.
  47. } section_info_t;
  48. #endif