1#!/bin/bash -eu 2# 3# Script to reproduce a test failure from a dejagnu .log file. 4# 5# Contributed by Diego Novillo <dnovillo@google.com> 6# 7# Copyright (C) 2011, 2012, 2013 Free Software Foundation, Inc. 8# 9# This file is part of GCC. 10# 11# GCC is free software; you can redistribute it and/or modify 12# it under the terms of the GNU General Public License as published by 13# the Free Software Foundation; either version 3, or (at your option) 14# any later version. 15# 16# GCC is distributed in the hope that it will be useful, 17# but WITHOUT ANY WARRANTY; without even the implied warranty of 18# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19# GNU General Public License for more details. 20# 21# You should have received a copy of the GNU General Public License 22# along with GCC; see the file COPYING. If not, write to 23# the Free Software Foundation, 51 Franklin Street, Fifth Floor, 24# Boston, MA 02110-1301, USA. 25 26# This script will search a line starting with 'spawn' that includes the 27# pattern you are looking for (typically a source file name). 28# 29# Once it finds that pattern, it re-executes the whole command 30# in the spawn line. If the pattern matches more than one spawn 31# command, it asks which one you want. 32 33if [ $# -lt 2 ] ; then 34 echo "usage: $0 [--debug|--debug-tui] pattern file.log [additional-args]" 35 echo 36 echo "Finds the 'spawn' line matching PATTERN in FILE.LOG and executes" 37 echo "the command with any arguments in ADDITIONAL-ARGS." 38 echo 39 echo "If --debug is used, the compiler is invoked with -wrapper gdb,--args" 40 echo "If --debug-tui is used, the compiler is invoked with -wrapper "\ 41 "gdb,--tui,--args" 42 exit 1 43fi 44 45if [ "$1" == "--debug" ] ; then 46 debug_args="-wrapper gdb,--args" 47 shift 48elif [ "$1" == "--debug-tui" ] ; then 49 debug_args="-wrapper gdb,--tui,--args" 50 shift 51else 52 debug_args="" 53fi 54pattern="$1" 55logf="$2" 56shift 2 57 58# Find the commands in LOGF that reference PATTERN. 59lines=$(grep -E "^spawn .*$pattern" $logf \ 60 | sed -e 's/^spawn -ignore SIGHUP //' \ 61 | sed -e 's/^spawn //') 62if [ -z "$lines" ] ; then 63 echo "Could not find a spawn command for pattern $pattern" 64 exit 1 65fi 66 67# Collect all the command lines into the COMMANDS array. 68old_IFS="$IFS" 69IFS=" 70" 71num_lines=0 72for line in $lines ; do 73 num_lines=$[$num_lines + 1] 74 echo "[$num_lines] $line" 75 commands[$num_lines]=$line 76done 77 78# If we found more than one line for PATTERN, ask which one we should run. 79cmds_to_run='0' 80if [ $num_lines -gt 1 ] ; then 81 echo 82 echo 83 echo -n "Enter the list of commands to run or '0' to run them all: " 84 read cmds_to_run 85fi 86if [ "$cmds_to_run" = "0" ] ; then 87 cmds_to_run=$(seq 1 $num_lines) 88fi 89IFS="$old_IFS" 90 91# Finally, execute all the commands we were told to execute. 92for cmd_num in $cmds_to_run ; do 93 cmd=${commands[$cmd_num]} 94 set -x +e 95 $cmd $debug_args "$@" 96 set +x -e 97done 98