root / check_ops.sh @ 89fc88da
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#! /bin/sh |
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# Script to check for duplicate function prologues in op.o |
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# Typically this indicates missing FORCE_RET(); |
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# This script does not detect other errors that may be present. |
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|
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# Usage: check_ops.sh [-m machine] [op.o] |
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# machine and op.o are guessed if not specified. |
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|
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if [ "x$1" = "x-m" ]; then |
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machine=$2 |
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shift 2 |
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else |
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machine=`uname -m` |
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fi |
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if [ -z "$1" ]; then |
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for f in `find . -name op.o`; do |
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/bin/sh "$0" -m $machine $f |
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done |
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exit 0 |
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fi |
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|
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case $machine in |
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i?86) |
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ret='\tret' |
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;; |
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x86_64) |
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ret='\tretq' |
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;; |
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arm) |
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ret='\tldm.*pc' |
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;; |
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ppc* | powerpc*) |
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ret='\tblr' |
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;; |
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mips*) |
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ret='\tjr.*ra' |
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;; |
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*) |
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echo "Unknown machine `uname -m`" |
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;; |
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esac |
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echo $1 |
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# op_exit_tb causes false positives on some hosts. |
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${CROSS}objdump -dr $1 | \ |
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sed -e '/>:$\|'"$ret"'/!d' -e 's/.*<\(.*\)>:/~\1:/' -e 's/.*'"$ret"'.*/!/' | \ |
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sed -e ':1;N;s/\n//;t1' | sed -e 's/~/\n/g' | grep -v '^op_exit_tb' | \ |
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grep '^op_.*!!' |