| #!/bin/bash |
| # Copyright 2015 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| # Runs Chrome / content_shell and attaches to the first renderer process in gdb. |
| |
| RENDERER_PID_RE='Renderer \(([0-9]+)\) paused waiting for debugger' |
| TARGET_FLAGS="--no-sandbox --renderer-startup-dialog" |
| TARGET=$1 |
| shift |
| |
| if [ -z "$TARGET" ]; then |
| echo "usage: $(basename $0) <path-to-content-shell> [more-args...]" |
| exit 1 |
| fi |
| |
| if [ -z "$DEBUGGER" ]; then |
| if which lldb > /dev/null; then |
| DEBUGGER="lldb" |
| CONTINUE="continue" |
| elif which gdb > /dev/null; then |
| DEBUGGER="gdb -q" |
| CONTINUE="signal SIGUSR1" |
| else |
| echo "no debugger found" |
| exit 1 |
| fi |
| fi |
| |
| OUTPUT=$(mktemp "${TMPDIR:-/tmp}"/"$(basename $0)".XXXXX) |
| "$TARGET" $TARGET_FLAGS "$@" 2>&1 | tee $OUTPUT & |
| BROWSER_PID=$! |
| |
| wait_renderer_pid() { |
| for i in {1..100}; do |
| browser_running || return |
| RENDERER_PID=$(renderer_pid) |
| [ -n "$RENDERER_PID" ] && return |
| sleep 0.2 |
| done |
| } |
| |
| browser_running() { ps -p $BROWSER_PID > /dev/null; } |
| renderer_pid() { [[ "$(cat $OUTPUT)" =~ $RENDERER_PID_RE ]] && echo ${BASH_REMATCH[1]}; } |
| |
| wait_renderer_pid |
| if [ -n "$RENDERER_PID" ]; then |
| # print yellow message |
| echo -e "\n\033[1;33mDebugging renderer, use '$CONTINUE' to run.\033[0m\n" |
| $DEBUGGER -p $RENDERER_PID |
| fi |
| |
| wait |
| rm $OUTPUT |
