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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-06-01 08:55:52 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-06-01 08:55:52 -0700 |
commit | 1f73897861b8ef0be64ff4b801f8d6f830f683b5 (patch) | |
tree | b4bae8f12e1422113910d8cb00a19d010dc4a52f /scripts/decodecode | |
parent | b904d7131d116900524bd36ec170dcd97846bfd3 (diff) | |
parent | 64ffc9ff424c65adcffe7d590018cc75e2d5d42a (diff) |
Merge branch 'for-35' of git://repo.or.cz/linux-kbuild
* 'for-35' of git://repo.or.cz/linux-kbuild: (81 commits)
kbuild: Revert part of e8d400a to resolve a conflict
kbuild: Fix checking of scm-identifier variable
gconfig: add support to show hidden options that have prompts
menuconfig: add support to show hidden options which have prompts
gconfig: remove show_debug option
gconfig: remove dbg_print_ptype() and dbg_print_stype()
kconfig: fix zconfdump()
kconfig: some small fixes
add random binaries to .gitignore
kbuild: Include gen_initramfs_list.sh and the file list in the .d file
kconfig: recalc symbol value before showing search results
.gitignore: ignore *.lzo files
headerdep: perlcritic warning
scripts/Makefile.lib: Align the output of LZO
kbuild: Generate modules.builtin in make modules_install
Revert "kbuild: specify absolute paths for cscope"
kbuild: Do not unnecessarily regenerate modules.builtin
headers_install: use local file handles
headers_check: fix perl warnings
export_report: fix perl warnings
...
Diffstat (limited to 'scripts/decodecode')
-rwxr-xr-x | scripts/decodecode | 48 |
1 files changed, 35 insertions, 13 deletions
diff --git a/scripts/decodecode b/scripts/decodecode index 4b00647814b..8b30cc36744 100755 --- a/scripts/decodecode +++ b/scripts/decodecode @@ -7,7 +7,7 @@ # AFLAGS=--32 decodecode < 386.oops cleanup() { - rm -f $T $T.s $T.o $T.oo $T.aa $T.aaa + rm -f $T $T.s $T.o $T.oo $T.aa $T.dis exit 1 } @@ -39,6 +39,29 @@ fi echo $code code=`echo $code | sed -e 's/.*Code: //'` +width=`expr index "$code" ' '` +width=$[($width-1)/2] +case $width in +1) type=byte ;; +2) type=2byte ;; +4) type=4byte ;; +esac + +disas() { + ${CROSS_COMPILE}as $AFLAGS -o $1.o $1.s &> /dev/null + + if [ "$ARCH" == "arm" ]; then + if [ $width == 2 ]; then + OBJDUMPFLAGS="-M force-thumb" + fi + + ${CROSS_COMPILE}strip $1.o + fi + + ${CROSS_COMPILE}objdump $OBJDUMPFLAGS -S $1.o | \ + grep -v "/tmp\|Disassembly\|\.text\|^$" &> $1.dis +} + marker=`expr index "$code" "\<"` if [ $marker -eq 0 ]; then marker=`expr index "$code" "\("` @@ -49,26 +72,25 @@ if [ $marker -ne 0 ]; then echo All code >> $T.oo echo ======== >> $T.oo beforemark=`echo "$code"` - echo -n " .byte 0x" > $T.s - echo $beforemark | sed -e 's/ /,0x/g' | sed -e 's/<//g' | sed -e 's/>//g' >> $T.s - as $AFLAGS -o $T.o $T.s &> /dev/null - objdump -S $T.o | grep -v "/tmp" | grep -v "Disassembly" | grep -v "\.text" | grep -v "^$" &> $T.ooo - cat $T.ooo >> $T.oo - rm -f $T.o $T.s $T.ooo + echo -n " .$type 0x" > $T.s + echo $beforemark | sed -e 's/ /,0x/g; s/[<>()]//g' >> $T.s + disas $T + cat $T.dis >> $T.oo + rm -f $T.o $T.s $T.dis # and fix code at-and-after marker code=`echo "$code" | cut -c$((${marker} + 1))-` fi echo Code starting with the faulting instruction > $T.aa echo =========================================== >> $T.aa -code=`echo $code | sed -e 's/ [<(]/ /;s/[>)] / /;s/ /,0x/g'` -echo -n " .byte 0x" > $T.s +code=`echo $code | sed -e 's/ [<(]/ /;s/[>)] / /;s/ /,0x/g; s/[>)]$//'` +echo -n " .$type 0x" > $T.s echo $code >> $T.s -as $AFLAGS -o $T.o $T.s &> /dev/null -objdump -S $T.o | grep -v "Disassembly" | grep -v "/tmp" | grep -v "\.text" | grep -v "^$" &> $T.aaa -cat $T.aaa >> $T.aa +disas $T +cat $T.dis >> $T.aa -faultline=`cat $T.aaa | head -1 | cut -d":" -f2` +faultline=`cat $T.dis | head -1 | cut -d":" -f2` +faultline=`echo "$faultline" | sed -e 's/\[/\\\[/g; s/\]/\\\]/g'` cat $T.oo | sed -e "s/\($faultline\)/\*\1 <-- trapping instruction/g" echo |