projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blame
| Commit | Line | Data |
|---|---|---|
| dcecc6c7 RD |
1 | #!/bin/sh |
| 2 | # Disassemble the Code: line in Linux oopses | |
| 3 | # usage: decodecode < oops.file | |
| 4 | # | |
| 5 | # options: set env. variable AFLAGS=options to pass options to "as"; | |
| 6 | # e.g., to decode an i386 oops on an x86_64 system, use: | |
| 7 | # AFLAGS=--32 decodecode < 386.oops | |
| 8 | ||
| fa220d89 RD |
9 | cleanup() { |
| 10 | rm -f $T $T.s $T.o | |
| 11 | exit 1 | |
| 12 | } | |
| 13 | ||
| 14 | die() { | |
| 15 | echo "$@" | |
| 16 | exit 1 | |
| 17 | } | |
| 18 | ||
| 19 | trap cleanup EXIT | |
| 20 | ||
| 21 | T=`mktemp` || die "cannot create temp file" | |
| dcecc6c7 RD |
22 | code= |
| 23 | ||
| 24 | while read i ; do | |
| 25 | ||
| 26 | case "$i" in | |
| 27 | *Code:*) | |
| 28 | code=$i | |
| 29 | ;; | |
| 30 | esac | |
| 31 | ||
| 32 | done | |
| 33 | ||
| 34 | if [ -z "$code" ]; then | |
| fa220d89 | 35 | rm $T |
| dcecc6c7 RD |
36 | exit |
| 37 | fi | |
| 38 | ||
| 39 | echo $code | |
| 40 | code=`echo $code | sed -e 's/.*Code: //'` | |
| 41 | ||
| 42 | marker=`expr index "$code" "\<"` | |
| 43 | if [ $marker -eq 0 ]; then | |
| 44 | marker=`expr index "$code" "\("` | |
| 45 | fi | |
| 46 | ||
| 47 | if [ $marker -ne 0 ]; then | |
| 48 | beforemark=`echo "$code" | cut -c-$((${marker} - 1))` | |
| 49 | echo -n " .byte 0x" > $T.s | |
| 50 | echo $beforemark | sed -e 's/ /,0x/g' >> $T.s | |
| 51 | as $AFLAGS -o $T.o $T.s | |
| 52 | objdump -S $T.o | |
| 53 | rm $T.o $T.s | |
| 54 | ||
| 55 | # and fix code at-and-after marker | |
| 56 | code=`echo "$code" | cut -c$((${marker} + 1))-` | |
| 57 | fi | |
| 58 | ||
| 59 | code=`echo $code | sed -e 's/ [<(]/ /;s/[>)] / /;s/ /,0x/g'` | |
| 60 | echo -n " .byte 0x" > $T.s | |
| 61 | echo $code >> $T.s | |
| 62 | as $AFLAGS -o $T.o $T.s | |
| 63 | objdump -S $T.o | |
| fa220d89 | 64 | rm $T $T.s $T.o |