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aout

aout 1.6 KB
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  1. 

  2. #------------------------------------------------------------------------------
    3. 

  3. # $File$
    4. 

  4. # aout:  file(1) magic for a.out executable/object/etc entries that
    5. 

  5. # handle executables on multiple platforms.
    6. 

  6. #
    7. 

  7. 

  8. #
    9. 

  9. # Little-endian 32-bit-int a.out, merged from bsdi (for BSD/OS, from
    10. 

  10. # BSDI), netbsd, and vax (for UNIX/32V and BSD)
    11. 

  11. #
    12. 

  12. # XXX - is there anything we can look at to distinguish BSD/OS 386 from
    13. 

  13. # NetBSD 386 from various VAX binaries?  The BSD/OS shared library flag
    14. 

  14. # works only for binaries using shared libraries.  Grabbing the entry
    15. 

  15. # point from the a.out header, using it to find the first code executed
    16. 

  16. # in the program, and looking at that might help.
    17. 

  17. #
    18. 

  18. 0	lelong		0407		a.out little-endian 32-bit executable
    19. 

  19. >16	lelong		>0		not stripped
    20. 

  20. >32	byte		0x6a		(uses BSD/OS shared libs)
    21. 

  21. 

  22. 0	lelong		0410		a.out little-endian 32-bit pure executable
    23. 

  23. >16	lelong		>0		not stripped
    24. 

  24. >32	byte		0x6a		(uses BSD/OS shared libs)
    25. 

  25. 

  26. 0	lelong		0413		a.out little-endian 32-bit demand paged pure executable
    27. 

  27. >16	lelong		>0		not stripped
    28. 

  28. >32	byte		0x6a		(uses BSD/OS shared libs)
    29. 

  29. 

  30. #
    31. 

  31. # Big-endian 32-bit-int a.out, merged from sun (for old 68010 SunOS a.out),
    32. 

  32. # mips (for old 68020(!) SGI a.out), and netbsd (for old big-endian a.out).
    33. 

  33. #
    34. 

  34. # XXX - is there anything we can look at to distinguish old SunOS 68010
    35. 

  35. # from old 68020 IRIX from old NetBSD?  Again, I guess we could look at
    36. 

  36. # the first instruction or instructions in the program.
    37. 

  37. #
    38. 

  38. 0	belong		0407		a.out big-endian 32-bit executable
    39. 

  39. >16	belong		>0		not stripped
    40. 

  40. 

  41. 0	belong		0410		a.out big-endian 32-bit pure executable
    42. 

  42. >16	belong		>0		not stripped
    43. 

  43. 

  44. 0	belong		0413		a.out big-endian 32-bit demand paged executable
    45. 

  45. >16	belong		>0		not stripped
    46. 

  46.