On Tue, May 29, 2018 at 07:24:30PM +0200, Peter Zijlstra wrote:
> From: Peter Zijlstra (Intel) <[email protected]>

Shees, you'd figure I could type my own email address by now..

From: Peter Zijlstra (Intel) <[email protected]>

> 
> Commit 6870c0165feaa5 ("scripts/faddr2line: show the code context")
> radically altered the output format of the faddr2line tool. And while
> the new list output format might have merrit it broke my vim usage and
> was hard to read.
> 
> Make the new format optional; using a '--list' argument and attempt to
> make the output slightly easier to read by adding a little whitespace to
> separate the different files and explicitly mark the line in question.
> 
> Cc: Changbin Du <[email protected]>
> Acked-by: Josh Poimboeuf <[email protected]>
> Fixes: 6870c0165feaa5 ("scripts/faddr2line: show the code context")
> Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
> ---
>  scripts/faddr2line | 18 ++++++++++++++++--
>  1 file changed, 16 insertions(+), 2 deletions(-)
> 
> diff --git a/scripts/faddr2line b/scripts/faddr2line
> index 1876a741087c..a0149db00be7 100755
> --- a/scripts/faddr2line
> +++ b/scripts/faddr2line
> @@ -56,7 +56,7 @@ command -v ${SIZE} >/dev/null 2>&1 || die "size isn't 
> installed"
>  command -v ${NM} >/dev/null 2>&1 || die "nm isn't installed"
>  
>  usage() {
> -     echo "usage: faddr2line <object file> <func+offset> <func+offset>..." 
> >&2
> +     echo "usage: faddr2line [--list] <object file> <func+offset> 
> <func+offset>..." >&2
>       exit 1
>  }
>  
> @@ -166,15 +166,25 @@ __faddr2line() {
>               local file_lines=$(${ADDR2LINE} -fpie $objfile $addr | sed "s; 
> $dir_prefix\(\./\)*; ;")
>               [[ -z $file_lines ]] && return
>  
> +             if [[ $LIST = 0 ]]; then
> +                     echo "$file_lines" | while read -r line
> +                     do
> +                             echo $line
> +                     done
> +                     DONE=1;
> +                     return
> +             fi
> +
>               # show each line with context
>               echo "$file_lines" | while read -r line
>               do
> +                     echo
>                       echo $line
>                       n=$(echo $line | sed 's/.*:\([0-9]\+\).*/\1/g')
>                       n1=$[$n-5]
>                       n2=$[$n+5]
>                       f=$(echo $line | sed 's/.*at \(.\+\):.*/\1/g')
> -                     awk 'NR>=strtonum("'$n1'") && NR<=strtonum("'$n2'") 
> {printf("%d\t%s\n", NR, $0)}' $f
> +                     awk 'NR>=strtonum("'$n1'") && NR<=strtonum("'$n2'") { 
> if (NR=='$n') printf(">%d<", NR); else printf(" %d ", NR); printf("\t%s\n", 
> $0)}' $f
>               done
>  
>               DONE=1
> @@ -185,6 +195,10 @@ __faddr2line() {
>  [[ $# -lt 2 ]] && usage
>  
>  objfile=$1
> +
> +LIST=0
> +[[ "$objfile" == "--list" ]] && LIST=1 && shift && objfile=$1
> +
>  [[ ! -f $objfile ]] && die "can't find objfile $objfile"
>  shift
>  

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