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Linux MIPS port: mips or mipsel? 

timo
Joined:
01/25/2012
Posts:
1

January 25, 2012 20:13:13    Last update: January 25, 2012 20:13:13
The MIPS CPU is able to run both big-endian and little-endian. So a system built on MIPS can be either big-endian (mips) or little-endian (mipsel).

The file command shows the architecture: 
$ file ls
ls: ELF 32-bit LSB executable, MIPS, MIPS32 version 1 (SYSV), dynamically linked (uses shared libs), corrupted section header size


but readelf will tell the endianness: 
$ readelf -h ls
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:               0x4043a0
  Start of program headers:          52 (bytes into file)
  Start of section headers:          0 (bytes into file)
  Flags:                             0x50001005, noreorder, cpic, o32, mips32
  Size of this header:               52 (bytes)
  Size of program headers:           32 (bytes)
  Number of program headers:         8
  Size of section headers:           0 (bytes)
  Number of section headers:         0
  Section header string table index: 0
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