#!/bin/bash

# Generate core file and get few details from running process

if [ $# -ne 1 ]
then
	echo "Usage: `basename $0` <PID>"
	exit -1
else
	pid=$1
fi

gdblogfile="$pid.log"
rm $gdblogfile

corefile="$pid.core"

gdb -batch \
	-ex "set logging file $gdblogfile" \
	-ex "set logging on" \
	-ex "set pagination off" \
	-ex "printf \"**\n** Process info for PID=$pid \n** Generated `date`\n\"" \
	-ex "printf \"**\n** Core: $corefile \n**\n\"" \
	-ex "attach $pid" \
	-ex "bt" \
	-ex "info proc" \
	-ex "printf \"*\n* Libraries \n*\n\"" \
	-ex "info sharedlib" \
	-ex "printf \"*\n* Memory map \n*\n\"" \
	-ex "info target" \
	-ex "printf \"*\n* Registers \n*\n\"" \
	-ex "info registers" \
	-ex "printf \"*\n* Current instructions \n*\n\"" -ex "x/16i \$pc" \
	-ex "printf \"*\n* Threads (full) \n*\n\"" \
	-ex "info threads" \
	-ex "bt" \
	-ex "thread apply all bt full" \
	-ex "printf \"*\n* Threads (basic) \n*\n\"" \
	-ex "info threads" \
	-ex "thread apply all bt" \
	-ex "printf \"*\n* Done \n*\n\"" \
	-ex "generate-core-file $corefile" \
	-ex "detach" \
	-ex "quit"