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authorLinus Torvalds <torvalds@linux-foundation.org>2008-12-28 15:13:48 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2008-12-28 15:13:48 -0800
commit96faec945f39cab38403f60f515bff43660b4dab (patch)
treee6681330a42303bb34be80d347cd01ff79f5b80a /scripts/decodecode
parent2926328554fa740518e2a6585b2cefb01e5f65f3 (diff)
parent9bb482476c6c9d1ae033306440c51ceac93ea80c (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-next
* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-next: (25 commits) allow stripping of generated symbols under CONFIG_KALLSYMS_ALL kbuild: strip generated symbols from *.ko kbuild: simplify use of genksyms kernel-doc: check for extra kernel-doc notations kbuild: add headerdep used to detect inclusion cycles in header files kbuild: fix string equality testing in tags.sh kbuild: fix make tags/cscope kbuild: fix make incompatibility kbuild: remove TAR_IGNORE setlocalversion: add git-svn support setlocalversion: print correct subversion revision scripts: improve the decodecode script scripts/package: allow custom options to rpm genksyms: allow to ignore symbol checksum changes genksyms: track symbol checksum changes tags and cscope support really belongs in a shell script kconfig: fix options to check-lxdialog.sh kbuild: gen_init_cpio expands shell variables in file names remove bashisms from scripts/extract-ikconfig kbuild: teach mkmakfile to be silent ...
Diffstat (limited to 'scripts/decodecode')
-rwxr-xr-xscripts/decodecode32
1 files changed, 22 insertions, 10 deletions
diff --git a/scripts/decodecode b/scripts/decodecode
index 235d3938529..4b00647814b 100755
--- a/scripts/decodecode
+++ b/scripts/decodecode
@@ -7,7 +7,7 @@
# AFLAGS=--32 decodecode < 386.oops
cleanup() {
- rm -f $T $T.s $T.o
+ rm -f $T $T.s $T.o $T.oo $T.aa $T.aaa
exit 1
}
@@ -44,21 +44,33 @@ if [ $marker -eq 0 ]; then
marker=`expr index "$code" "\("`
fi
+touch $T.oo
if [ $marker -ne 0 ]; then
- beforemark=`echo "$code" | cut -c-$((${marker} - 1))`
+ echo All code >> $T.oo
+ echo ======== >> $T.oo
+ beforemark=`echo "$code"`
echo -n " .byte 0x" > $T.s
- echo $beforemark | sed -e 's/ /,0x/g' >> $T.s
- as $AFLAGS -o $T.o $T.s
- objdump -S $T.o
- rm $T.o $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 $T.ooo
# and fix code at-and-after marker
code=`echo "$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
echo $code >> $T.s
-as $AFLAGS -o $T.o $T.s
-objdump -S $T.o
-rm $T $T.s $T.o
+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
+
+faultline=`cat $T.aaa | head -1 | cut -d":" -f2`
+
+cat $T.oo | sed -e "s/\($faultline\)/\*\1 <-- trapping instruction/g"
+echo
+cat $T.aa
+cleanup