b43-tools/assembler/selftest.sh

   1 #!/bin/bash
   2
   3 ASM="b43-asm"
   4 DASM="b43-dasm"
   5 SUM="sha1sum"
   6 TMPDIR="/tmp"
   7
   8
   9 if [ $# -lt 1 ]; then
  10         echo "b43-(d)asm trivial selftest"
  11         echo "This selftest will take the binary input file, disassemble"
  12         echo "it, assemble it and compare the two binaries."
  13         echo
  14         echo "Usage: $0 /path/to/binary [arch] [format]"
  15         exit 1
  16 fi
  17 arch="5"
  18 format="b43"
  19 infile="$1" && shift
  20 [ $# -eq 0 ] || arch="$1" && shift
  21 [ $# -eq 0 ] || format="$1" && shift
  22
  23
  24 if ! [ -r "$infile" ]; then
  25         echo "Can not read input binary $infile"
  26         exit 1
  27 fi
  28
  29 rnd="$RANDOM"
  30 asmfile="$TMPDIR/b43-asm-selftest-$rnd.asm"
  31 outfile="$TMPDIR/b43-asm-selftest-$rnd.bin"
  32
  33 function cleanup
  34 {
  35         rm -f "$asmfile"
  36         rm -f "$outfile"
  37 }
  38 cleanup
  39
  40
  41 $DASM "$infile" "$asmfile" --arch $arch --format $format
  42 err=$?
  43 if [ $err -ne 0 ]; then
  44         echo "Disassembling FAILED: $err"
  45         cleanup
  46         exit 1
  47 fi
  48 $ASM "$asmfile" "$outfile" --format $format
  49 err=$?
  50 if [ $err -ne 0 ]; then
  51         echo "Assembling FAILED: $err"
  52         cleanup
  53         exit 1
  54 fi
  55
  56 orig_sum="$($SUM "$infile" | cut -f1 -d ' ')"
  57 err=$?
  58 if [ $err -ne 0 ] || [ -z "$orig_sum" ]; then
  59         echo "Checksumming of input file failed: $err"
  60         cleanup
  61         exit 1
  62 fi
  63 out_sum="$($SUM "$outfile" | cut -f1 -d ' ')"
  64 err=$?
  65 if [ $err -ne 0 ] || [ -z "$out_sum" ]; then
  66         echo "Checksumming of reassembled file failed: $err"
  67         cleanup
  68         exit 1
  69 fi
  70 cleanup
  71
  72 echo "Input file checksum:    $orig_sum"
  73 echo "Re-assembled checksum:  $out_sum"
  74 echo
  75
  76 if [ "$orig_sum" != "$out_sum" ]; then
  77         echo "FAILURE: Checksums don't match!"
  78         exit 1
  79 fi
  80 echo "Checksums match"
  81
  82 exit 0