46 lines
1.4 KiB
Bash
46 lines
1.4 KiB
Bash
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#!/bin/sh
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set -e
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find_files_and_lines()
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(
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find ../lib/libc/sys ../lib/libsys -name '*.c' | \
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xargs egrep -n '((_syscall|_taskcall)\([^,][^,]*,[ ]*|_kernel_call\()[A-Z_][A-Z0-9_]*,[ ]*&m\)' | \
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cut -d: -f1,2
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)
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# grep message fields
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(
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# find references to _syscall, _taskcall and _kernel_call in the libraries
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pathprev=
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linecallprev=0
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for f in `find_files_and_lines`
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do
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path="`echo $f | cut -d: -f1`"
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linecall="`echo $f | cut -d: -f2`"
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# find the matching message declaration; we can identify fields between message decl and call
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linemsg=`head -n "$linecall" "$path" | egrep -n 'message[ ][ ]*m;' | tail -n 1 | cut -d: -f1`
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if [ "x$linemsg" != "x" ]
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then
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# watch out: message may be re-used; start from last call in this case
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[ \( "x$path" != "x$pathprev" \) -o \( "$linemsg" -gt "$linecallprev" \) ] || linemsg="$linecallprev"
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# extract call name
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callname=`head -n "$linecall" "$path" | tail -n 1 | sed 's/.*[ (,]\([A-Z_][A-Z0-9_]*\),[ ]*&m).*/\1/'`
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# extract message fields
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linelast="`expr "$linecall" - 1`"
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linecount="`expr "$linelast" - "$linemsg"`"
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head -n "$linelast" "$path" | \
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tail -n "$linecount" | \
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tr ' \t' ' ' | \
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egrep '^ *m\.[A-Za-z_][A-Za-z0-9_]* *=' | \
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sed 's/^ *m\.\([A-Za-z_][A-Za-z0-9_]*\) *=.*/IDENT('$callname', \1)/'
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fi
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pathprev="$path"
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linemsgprev="$linemsg"
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done
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) | sort | uniq
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