diff options
Diffstat (limited to 'debug/xtrace.sh')
| -rwxr-xr-x | debug/xtrace.sh | 66 |
1 files changed, 37 insertions, 29 deletions
diff --git a/debug/xtrace.sh b/debug/xtrace.sh index a613e4eb80..941852f104 100755 --- a/debug/xtrace.sh +++ b/debug/xtrace.sh @@ -23,20 +23,26 @@ pcprofiledump=@BINDIR@/pcprofiledump # Print usage message. do_usage() { - echo >&2 $"Try \`xtrace --help' for more information." + printf $"Usage: xtrace [OPTION]... PROGRAM [PROGRAMOPTION]...\n" + exit 0 +} + +# Refer to --help option. +help_info() { + printf >&2 $"Try \`xtrace --help' for more information.\n" exit 1 } # Message for missing argument. do_missing_arg() { - echo >&2 $"xtrace: option \`$1' requires an argument" - do_usage + printf >&2 $"xtrace: option \`$1' requires an argument.\n" + help_info } # Print help message do_help() { - echo $"Usage: xtrace [OPTION]... PROGRAM [PROGRAMOPTION]... -Trace execution of program by printing currently executed function. + printf $"Usage: xtrace [OPTION]... PROGRAM [PROGRAMOPTION]...\n" + printf $"Trace execution of program by printing currently executed function. --data=FILE Don't run the program, just print the data from FILE. @@ -47,7 +53,7 @@ Trace execution of program by printing currently executed function. Mandatory arguments to long options are also mandatory for any corresponding short options. -Report bugs using the \`glibcbug' script to <bugs@gnu.org>." +Report bugs using the \`glibcbug' script to <bugs@gnu.org>.\n" exit 0 } @@ -60,7 +66,7 @@ Written by Ulrich Drepper." exit 0 } -# Print out function name, file, and line number is a nice formatted way. +# Print out function name, file, and line number in a nicely formatted way. format_line() { fct=$1 file=${2%%:*} @@ -100,23 +106,20 @@ while test $# -gt 0; do -? | --h | --he | --hel | --help) do_help ;; - --v | --ve | --ver | --vers | --versi | --versio | --version) + -V | --v | --ve | --ver | --vers | --versi | --versio | --version) do_version ;; + --u | --us | --usa | --usag | --usage) + do_usage + ;; --) # Stop processing arguments. shift break ;; - --help) - do_help - ;; - --version) - do_version - ;; --*) - echo >&2 $"xtrace: unrecognized option \`$1'" - do_usage + printf >&2 $"xtrace: unrecognized option \`$1'\n" + help_info ;; *) # Unknown option. This means the rest is the program name and parameters. @@ -128,25 +131,25 @@ done # See whether any arguments are left. if test $# -eq 0; then - echo >&2 $"No program name given" - do_usage + printf >&2 $"No program name given\n" + help_info fi # Determine the program name and check whether it exists. program=$1 shift if test ! -f "$program"; then - echo >2& $"executable \`$program' not found" - do_usage + printf >2& $"executable \`$program' not found\n" + help_info fi if test ! -x "$program"; then - echo >&2 $"\`$program' is no executable" - do_usage + printf >&2 $"\`$program' is no executable\n" + help_info fi # We have two modes. If a data file is given simply print the included data. printf "%-20s %-*s %6s\n" Function $(expr $COLUMNS - 30) File Line -for i in $(seq 1 $COLUMNS); do echo -n -; done; echo +for i in $(seq 1 $COLUMNS); do printf -; done; printf '\n' if test -n "$data"; then $pcprofiledump "$data" | sed 's/this = \([^,]*\).*/\1/' | @@ -158,21 +161,26 @@ if test -n "$data"; then fi done else - fifo=$(mktemp -u ${TMPDIR:-/tmp}/xprof.XXXXXX) + fifo=$(mktemp -u ${TMPDIR:-/tmp}/xtrace.XXXXXX) mkfifo -m 0600 $fifo || exit 1 + trap 'rm $fifo; exit 1' SIGINT SIGTERM SIGPIPE + # Now start the program and let it write to the FIFO. - $TERMINAL_PROG -T "xtrace - $program $*" -e /bin/sh -c "LD_PRELOAD=$pcprofileso PCPROFILE_OUTPUT=$fifo $program $*; read $fifo" & + $TERMINAL_PROG -T "xtrace - $program $*" -e /bin/sh -c "LD_PRELOAD=$pcprofileso PCPROFILE_OUTPUT=$fifo $program $*; read < $fifo" & termpid=$! - $pcprofiledump $fifo | - sed 's/this = \([^,]*\).*/\1/' | - addr2line -fC -e $program | + $pcprofiledump -u $fifo | + while read line; do + echo $line | + sed 's/this = \([^,]*\).*/\1/' | + addr2line -fC -e $program + done | while read fct; do read file if test "$fct" != '??' -a "$file" != '??:0'; then format_line $fct $file fi done - read -p "Press return to end the program." + read -p "Press return here to close $TERMINAL_PROG($program)." echo > $fifo rm $fifo fi |