[BSD] OFF: mips

[Potoczky Andras]

Lassuk:

root at mips64:/home/andras/mips# readelf -h hello
ELF Header:
   Magic:   7f 45 4c 46 01 02 01 00 01 00 00 00 00 00 00 00
   Class:                             ELF32
   Data:                              2's complement, big endian
   Version:                           1 (current)
   OS/ABI:                            UNIX - System V
   ABI Version:                       1
   Type:                              EXEC (Executable file)
   Machine:                           MIPS R3000
   Version:                           0x1
   Entry point address:               0x400220
   Start of program headers:          52 (bytes into file)
   Start of section headers:          2547360 (bytes into file)
   Flags:                             0x70001005, noreorder, cpic, o32, 
mips32r2
   Size of this header:               52 (bytes)
   Size of program headers:           32 (bytes)
   Number of program headers:         5
   Size of section headers:           40 (bytes)
   Number of section headers:         41
   Section header string table index: 38
root at mips64:/home/andras/mips# readelf -h sh
ELF Header:
   Magic:   7f 45 4c 46 01 01 01 00 00 00 00 00 00 00 00 00
   Class:                             ELF32
   Data:                              2's complement, little endian
   Version:                           1 (current)
   OS/ABI:                            UNIX - System V
   ABI Version:                       0
   Type:                              EXEC (Executable file)
   Machine:                           MIPS R3000
   Version:                           0x1
   Entry point address:               0x403bd0
   Start of program headers:          52 (bytes into file)
   Start of section headers:          781968 (bytes into file)
   Flags:                             0x50001007, noreorder, pic, cpic, 
o32, mips32
   Size of this header:               52 (bytes)
   Size of program headers:           32 (bytes)
   Number of program headers:         8
   Size of section headers:           40 (bytes)
   Number of section headers:         30
   Section header string table index: 29


Latom, big endian es little endian elteres van.

Gyorasan utannaneztem, marha egyszeru mbig-endian mlittle-endian 
optiokat kene hasznalni, csak a compiler ezeket nem ismeri.

Turom meg, hatha ez lesz a jo irany.

Andras


2013-04-25 14:00 időpontban Bukuli Norbert ezt írta:
> Hasznos lehet a readelf is. Pl:
>
> $ readelf -h my_powerpc_program
>
> ELF Header:
>   Magic:   7f 45 4c 46 01 02 01 00 00 00 00 00 00 00 00 00 
>   Class:                             ELF32
>   Data:                              2's complement, big endian
>   Version:                           1 (current)
>   OS/ABI:                            UNIX - System V
>   ABI Version:                       0
>   Type:                              EXEC (Executable file)
>   Machine:                           PowerPC
>   Version:                           0x1
>   Entry point address:               0x10001cb8
>   Start of program headers:          52 (bytes into file)
>   Start of section headers:          23156 (bytes into file)
>   Flags:                             0x0
>   Size of this header:               52 (bytes)
>   Size of program headers:           32 (bytes)
>   Number of program headers:         8
>   Size of section headers:           40 (bytes)
>   Number of section headers:         40
>   Section header string table index: 37
>
> $ readelf -h /bin/bash
>
> ELF Header:
>   Magic:   7f 45 4c 46 02 01 01 00 00 00 00 00 00 00 00 00 
>   Class:                             ELF64
>   Data:                              2's complement, little endian
>   Version:                           1 (current)
>   OS/ABI:                            UNIX - System V
>   ABI Version:                       0
>   Type:                              EXEC (Executable file)
>   Machine:                           Advanced Micro Devices X86-64
>   Version:                           0x1
>   Entry point address:               0x419490
>   Start of program headers:          64 (bytes into file)
>   Start of section headers:          719608 (bytes into file)
>   Flags:                             0x0
>   Size of this header:               64 (bytes)
>   Size of program headers:           56 (bytes)
>   Number of program headers:         10
>   Size of section headers:           64 (bytes)
>   Number of section headers:         27
>   Section header string table index: 26
>
> 2013. április 25. 13:49 írta, <gabor at zahemszky.hu>:
>
>> 2013-04-25 13:48 időpontban Potoczky Andras ezt írta:
>>
>>> A boxon nem tudom kiadni, mert nincs file, de elozo emailben pont
>>> elkuldtem, a fordito gepen a file kimenetet. Valami ilyen hiba lesz
>>> amit irsz, nem ertelmezi, csak meg nem jottem ra mitol fogja
>>> ertelmezni.
>>
>> De azt is írtam, hogy egy a dobozról származó binárist (/bin/sh) is
>> nézzél meg a fejlesztői gépeden és hasonlítsd össze őket.
>>
>> Zahy < Gabor at Zahemszky dot HU >
>> _______________________________________________
>> BSD levlista
>> BSD at hu.freebsd.org
>> https://lists.hu.freebsd.org/mailman/listinfo/bsd [1]
>
> --
> Üdvözlettel:
> Bukuli Norbert
>
> Links:
> ------
> [1] https://lists.hu.freebsd.org/mailman/listinfo/bsd
>
> _______________________________________________
> BSD levlista
> BSD at hu.freebsd.org
> https://lists.hu.freebsd.org/mailman/listinfo/bsd